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Diffstat (limited to 'gnu/usr.bin/gcc/ChangeLog.10')
| -rw-r--r-- | gnu/usr.bin/gcc/ChangeLog.10 | 10110 |
1 files changed, 10110 insertions, 0 deletions
diff --git a/gnu/usr.bin/gcc/ChangeLog.10 b/gnu/usr.bin/gcc/ChangeLog.10 new file mode 100644 index 00000000000..a7d3837d103 --- /dev/null +++ b/gnu/usr.bin/gcc/ChangeLog.10 @@ -0,0 +1,10110 @@ +Sun Mar 31 05:10:10 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (layout_decl): Don't make a bitfield an integral mode + if the mode of the field type is not MODE_INT. + + * sched.c (schedule_block): CALL_INSNs don't affect fixed regs. + * flow.c (propagate_block): CALL_INSNs don't kill fixed regs. + +Sat Mar 30 03:32:48 1996 Torbjorn Granlund <tege@noisy.tmg.se> + + * expmed.c (expand_divmod, case TRUNC_DIV_EXPR): Move some code + to avoid shifting by a too large count. + +Fri Mar 29 15:45:51 1996 Doug Evans <dje@cygnus.com> + + * configure (i[3456]86-*-sunos5*): Delete, config.sub converts + sunos5 to solaris2. + (sparc-*-sunos5*): Likewise. + (sparc64-*-{solaris2*,sunos5*}): Delete. Stick with sparc-*-solaris2*. + + * sparc.h (FUNCTION_PROFILER): Save/restore %g2 around mcount call. + +Fri Mar 29 14:20:31 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (notice_update_cc): Clear cc_status if ref modified MEM. + +Fri Mar 29 09:37:52 1996 Jeffrey A. Law <law@cygnus.com> + + * calls.c (expand_call): Remove current_call_is_indirect nonsense. + Add additional argument to INIT_CUMULATIVE_ARGS. + (emit_library_call): Likewise. + (emit_library_call_value): Likewise. + * expr.c (expand_builtin): Likewise. + * function.c (assign_parms): Likewise. + * pa.h (hppa_args): New field "indirect". + (INIT_CUMULATIVE_ARGS): Initialize "indirect" field. + (FUNCTION_ARG): Check "indirect" field, rather than + "current_call_is_indirect". + * a29k.h (INIT_CUMULATIVE_ARGS):New arg, INDIRECT. + * alpha.h (INIT_CUMULATIVE_ARGS): Likewise. + * arm.h (INIT_CUMULATIVE_ARGS): Likewise. + * clipper.h (INIT_CUMULATIVE_ARGS): Likewise. + * convex.h (INIT_CUMULATIVE_ARGS): Likewise. + * dsp16xx.h (INIT_CUMULATIVE_ARGS): Likewise. + * elxsi.h (INIT_CUMULATIVE_ARGS): Likewise. + * fx80.h (INIT_CUMULATIVE_ARGS): Likewise. + * gmicro.h (INIT_CUMULATIVE_ARGS): Likewise. + * h8300.h (INIT_CUMULATIVE_ARGS): Likewise. + * i370/mvs.h (INIT_CUMULATIVE_ARGS): Likewise. + * i386.h (INIT_CUMULATIVE_ARGS): Likewise. + * i860.h (INIT_CUMULATIVE_ARGS): Likewise. + * i960.h (INIT_CUMULATIVE_ARGS): Likewise. + * m68k.h (INIT_CUMULATIVE_ARGS): Likewise. + * m68k/mot3300.h (INIT_CUMULATIVE_ARGS): Likewise. + * m88k.h (INIT_CUMULATIVE_ARGS): Likewise. + * mips.h (INIT_CUMULATIVE_ARGS): Likewise. + * ns32k.h (INIT_CUMULATIVE_ARGS): Likewise. + * pdp11.h (INIT_CUMULATIVE_ARGS): Likewise. + * pyr.h (INIT_CUMULATIVE_ARGS): Likewise. + * romp.h (INIT_CUMULATIVE_ARGS): Likewise. + * rs6000.h (INIT_CUMULATIVE_ARGS): Likewise. + * sh.h (INIT_CUMULATIVE_ARGS): Likewise. + * sparc.h (INIT_CUMULATIVE_ARGS): Likewise. + * spur.h (INIT_CUMULATIVE_ARGS): Likewise. + * tahoe.h (INIT_CUMULATIVE_ARGS): Likewise. + * vax.h (INIT_CUMULATIVE_ARGS): Likewise. + * we32k.h (INIT_CUMULATIVE_ARGS): Likewise. + * mips.c (mips_expand_prologue): Add extra arg to + INIT_CUMULATIVE_ARGS call. + +Thu Mar 28 18:45:49 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.c (summarize_insn): Fix three "off-by-one" bugs in loop bounds. + +Thu Mar 28 16:50:10 1996 Doug Evans <dje@cygnus.com> + + * ginclude/inl-sparc.h: Deleted. + +Thu Mar 28 12:07:31 1996 Jeffrey A. Law <law@cygnus.com> + + * va-h8300.h (va_arg): Don't assume sizeof (int) == 4. + + * pa.c (hppa_legitimize_address): Don't lose for + (plus (plus (mult (A) (shadd_const)) (B)) (C)) if + B + C isn't a valid address for indexing. + (basereg_operand): Only accept base registers after + cse has completed. Don't accept the frame pointer if + it's likely to be eliminated. + * pa.md (unscaled indexing patterns): Add variants with + basereg and index register reversed. + (HImode and QImode loads): Add zero extended variants. + +Wed Mar 27 07:45:27 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expmed.c (negate_rtx): Fix typo in previous change. + +Tue Mar 26 13:50:43 1996 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * calls.c (expand_call): In convert_to_mode call, use word_mode + not SImode. + +Tue Mar 26 13:44:34 1996 Doug Evans <dje@canuck.cygnus.com> + + * configure: Delete unnecessary special handling of --with-cpu. + +Tue Mar 26 10:41:57 1996 Jeffrey A. Law <law@cygnus.com> + + * expr.c (emit_push_insn): When doing a partial push, emit + a CLOBBER so that flow doesn't think the entire register + is live. + +Tue Mar 26 10:00:52 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.c (summarize_insn, default case): Properly use format_ptr. + +Tue Mar 26 09:51:09 1996 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.h (output_move_simode_const): New extern declaration. + * m68k.c (output_move_simode_const): New function. + (singlemove_string): Call it. + * m68k.md (fullword move): Likewise. + +Tue Mar 26 05:43:06 1996 Torbjorn Granlund <tege@noisy.tmg.se> + + * vax.md (insv matcher): Call CC_STATUS_INIT. + * vax.h (NOTICE_UPDATE_CC): Handle ZERO_EXTRACT destination. + +Mon Mar 25 19:18:08 1996 Jason Merrill <jason@yorick.cygnus.com> + + * function.c (expand_function_start): Don't set up context_display + unless current_function_needs_context. + +Mon Mar 25 18:48:18 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * fold-const.c (fold, case BIT_IOR_EXPR): Recognize rotates + with variable count. + +Mon Mar 25 18:05:28 1996 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (libgcc1-test): Undo Feb 12 change. + +Mon Mar 25 08:09:59 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * objc/thread-single.c (objc_mutex_unlock): Properly declare thread_id. + +Mon Mar 25 08:02:50 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * configure (m68k-motorola-sysv*): Fixed indentation. + +Sun Mar 24 08:16:42 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (negate_rtx): Don't try to negate a constant ourself; + instead call simplify_unary_operation. + +Sun Mar 24 07:29:06 1996 Richard Henderson <rth@tamu.edu> + + * gcc.c (process_command): Instead of hardcoding non-empty + switches_need_spaces to turn on "o" and "L", make the string + contain the switches that need the spaces. + * m68k/ccur-GAS.h (SWITCHES_NEED_SPACES): Change definition + correspondingly. + +Sat Mar 23 18:34:44 1996 Harry Dolan <dolan@ssd.intel.com> + + * i860/paragon.h (LIB_SPEC): Always output -lmach. + +Sat Mar 23 18:25:39 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * c-typeck.c (set_init_index): Check for use outside an array + initializer. + + * defaults.h (ASM_OUTPUT_ADDR_DIFF_ELT): Delete. + * pdp11.h (ASM_OUTPUT_ADDR_DIFF_ELT): Don't define. + +Sat Mar 23 15:55:35 1996 Doug Evans <dje@canuck.cygnus.com> + + * combine.c (make_extraction): In BITS_BIG_ENDIAN correction of POS, + need to treat MEM and REG differently. + + * sparc.h (SPARC_SIMM{10,11,13}_P): Define. + (SMALL_INT): Use SPARC_SIMM13_P. + (CONST_OK_FOR_LETTER_P): Support new letters L,M. + * sparc.c (arith11_operand): Use SPARC_SIMM11_P. + (arith10_operand): Use SPARC_SIMM10_P. + * sparc.md (*mov{qi,hi,si,di}_cc_sp64): Fix constraints. + (*mov{qi,hi,si,di}_cc_reg_sp64): Likewise. + +Sat Mar 23 07:47:19 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k/linux.h (TRAMPOLINE_TEMPLATE): Correct first instruction. + * m68k/m68kv4.h (TRAMPOLINE_TEMPLATE): Likewise. + +Sat Mar 23 07:06:55 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * bc-emit.c (bc_emit_instruction): Add missing va_end call. + + * c-typeck.c (build_array_ref): Give error if subscripting a function. + +Fri Mar 22 09:11:45 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * local-alloc.c (optimize_reg_copy_1): Only update reg_live_length + if it is non-negative. + +Thu Mar 21 14:42:26 1996 Doug Evans <dje@cygnus.com> + + * sparc/splet.h (STARTFILE_SPEC,LINK_SPEC): Define. + +Wed Mar 20 17:23:18 1996 Jim Wilson <wilson@cygnus.com> + + * cse.c (note_mem_written): Delete obsolete code for handling + (mem (scratch)). + + * mips.c (mips_expand_prologue): In initialization of fnargs, delete + special treatment of METHOD_TYPE. + +Wed Mar 20 17:07:45 1996 Doug Evans <dje@cygnus.com> + + * sparc/sol2.h (ASM_CPU_SPEC): Recognize -mcpu=v8plus, not v9. + Fix typo in ultrasparc entry. + * sparc.h (CPP_CPU_SPEC): Add v8plus entry. + (ASM_CPU_SPEC): Likewise. + + * sparc.c (fcc_reg_operand): Ensure correct mode. + (icc_or_fcc_reg_operand): Likewise. + (gen_v9_scc): IF_THEN_ELSE must have a mode. + (print_operand): New operand code `x' for all condition codes. + New operand codes `c,d' for reversed conditional moves. + * sparc.md (movqicc,movhicc): New named patterns. + (movdicc): if_then_else must have a mode. + (movsicc,movsfcc,movdfcc,movtfcc): Likewise. + Change condition to TARGET_V9, not TARGET_ARCH64. + Fail if DImode compare and ! TARGET_ARCH64. + (conditional move matchers): Rewrite. + +Wed Mar 20 16:12:29 1996 Stan Cox <coxs@wombat.gnu.ai.mit.edu> + + * i386.h (HARD_REGNO_MODE_OK): Relax QImode constraint to + avoid a reload problem. + +Wed Mar 20 13:12:22 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.c (hppa_legitimize_address): Don't lose for x[n-const] + when n-const will not be shifted. Don't pessimize code for + x[n-const] when const is small. + +Wed Mar 20 11:42:32 1996 Markus Theissinger <Markus.Theissinger@gmd.de> + + * m68k/sun3.h (LIB_SPEC): Don't link /usr/lib/bb_link.o with `gcc -a'. + (__bb_init_func): Deleted. + (BLOCK_PROFILER_CODE): Don't set macro to nothing. + + * m68k/xm-sun3.h: New file. + * configure (m68k-sun-sunos*): Use it. + + * xm-linux.h (HAVE_POPEN): New define. + +Wed Mar 20 11:28:37 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k/linux.h (ASM_SPEC): Deleted. + (STRUCT_VALUE_REGNUM): Redefine as register a0. + (STATIC_CHAIN_REGNUM): Redefine as register a1. + (TRAMPOLINE_TEMPLATE): Redefine to use the right register. + +Wed Mar 20 08:04:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * libgcc2.c (__dummy): New function. + * Makefile.in (LIB2FUNCS): Add __dummy. + * expr.c (expand_builtin, case BUILT_IN_SETJMP): Call "setjmp" + pattern, if any. + Call dummy function pointed to by static chain pointer. + (expand_builtin, case BUILT_IN_LONJMP): Ignore second expression. + Set address of __dummy into static chain pointer. + Copy the label to return to into a pseudo earlier. + + * stupid.c (last_setjmp_suid, regs_crosses_setjmp): New variables. + (stupid_life_analysis, stupid_mark_refs): Use them to track which + regs are live over a setjmp; don't allocate such regs. + +Tue Mar 19 22:02:07 1996 Jason Merrill <jason@yorick.cygnus.com> + + * cplus-dem.c (demangle_template): Fix for non-mangled pointer + arguments. + +Tue Mar 19 13:54:06 1996 Jeffrey A. Law <law@wombat.gnu.ai.mit.edu> + + * pa.c (compute_frame_size): Update comments to reflect reality. + (hppa_expand_prologue): Don't save registers which aren't + used, even if it creates holes. Partially undoes changes from + early March. + (hppa_expand_epilogue): Likewise. + +Tue Mar 19 08:25:17 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * stmt.c (struct case_node): New member balance. + (add_case_node): New function. + (pushcase, pushcase_range): Use it. + (case_tree2list): New function. + (expand_end_case): Use it. + +Tue Mar 19 07:44:22 1996 Stephen L Moshier (moshier@world.std.com) + + * regstack.c (move_for_stack_reg): Avoid stack overflow while + storing XFmode from fp reg to memory. + +Tue Mar 19 07:38:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * m68k.h (MASK_*): New macros. + (OVERRIDE_OPTIONS): Use them. + (TARGET_SWITCHES): Likewise. + Treat -m68332 like -m68000. + +Mon Mar 18 20:04:13 1996 Richard Earnshaw (rearnsha@armltd.co.uk) + + * expmed.c (emit_store_flag): If expanding (GE X 0) will need two + insns, don't use subtarget for the result of the first insn. + Move a likely constant to the start of a condition. + +Mon Mar 18 19:48:14 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k.h (CONST_OK_FOR_LETTER_VALUE): New constraint 'M'. + * m68k.c (output_function_epilogue): Restore registers using sp+ + instead of fp(n) in leaf functions. + (USE_MOVQ, use_movq): Function replaced by macro. + * m68k.md (pushexthisi_const, movsi_const0): New names. + (andsi3, iorsi3): Allow only 'M', not 'K' constants, if dest is 'd'. + +Mon Mar 18 19:33:20 1996 Fila Kolodny <fila@ibi.com> + + * i370/t-mvs: New file. + * configure (i370-*-mvs*): Use it. + * i370/mvs.h (FUNCTION_PROLOGUE): LE/370 takes 120 bytes for DSA. + Have only one copy of timestamp and PPA2 per object module. + Only have unnamed CSECT to match IBM C. + +Mon Mar 18 19:26:21 1996 Paul Russell (Rusty.Russell@adelaide.maptek.com.au) + + * combine.c (simplify_if_then_else): Allow for case that + condition might no longer be a condition. + +Mon Mar 18 19:14:42 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c (build_conditional_expr): If OP1 is null, set + both OP1 and ORIG_OP1 to IFEXP. + + * c-iterate.c (iterator_loop_epilogue): Don't clear DECL_RTL + for a static decl. + +Mon Mar 18 08:02:25 1996 Stephen L Moshier <moshier@world.std.com> + + * alpha.c (summarize_insn, case SUBREG, CONST_*): New cases. + +Sun Mar 17 16:55:00 1996 Doug Evans <dje@cygnus.com> + + * combine.c (find_split_point): Handle NULL return from + make_extraction. + (make_field_assignment): Likewise. + +Sat Mar 16 18:56:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (substitute_in_expr, case COMPONENT_REF): Ignore + if inner PLACEHOLDER_EXPR has not yet been initialized. + + * i386.c (standard_80386_constant_p): -0.0 is not 0.0. + * i386.md (insv): Restore missing end of comment. + + * combine.c (make_extraction): Correct typo in force_to_mode + call in previous change. + Return 0 if pos+len out of range of want desired mode. + +Sat Mar 16 16:20:43 1996 David Mosberger-Tang <davidm@azstarnet.com> + + * alpha.md (trap): New attribute. + Modify patterns for all floating-point trap generating instructions. + * alpha.h (CPP_SPEC): Added -mieee and -mieee-with-inexact. + (alpha_trap_precision, alpha_fp_rounding_mode, alpha_fp_trap_mode): + New enum types. + (target_flags, alpha_tp, alpha_fprm, alpha_fptm): New external vars. + (alpha_fprm_string, alpha_fptm_string, alpha_tp_string): Likewise. + (TARGET_IEEE{,_WITH_INEXACT,_CONFORMANT}): New macros. + (MASK_IEEE{,_WITH_INEXACT,_CONFORMANT}): Likewise. + (MASK_FP, MASK_FPREGS, + (TARGET_SWITCHES): Added "ieee-conformant", "ieee", and + "ieee-with-inexact"; use MASK symbols. + (TARGET_OPTIONS): New macro. + (OVERRIDE_OPTIONS, FINAL_PRESCAN_{INSN,LABEL}): New macros. + (PRINT_OPERAND_PUNCT_VALID_P): Allow operand codes for FP insns. + (CC1_SPEC): New macro. + * alpha.c (alpha_tp, alpha_fprm, alpha_fptm): New variables. + (alpha_tp_string, alpha_fprm_string, alpha_fptm_string + (trap_pending): Likewise. + (override_options, summarize_insn, final_prescan_insn): New functions. + (print_operand): Handle cases '&', '\'', ')', and '+'. + (output_prolog): Emit ".eflag 48" if TARGET_IEEE_CONFORMANT. + (output_epilog): Call final_prescan_insn before emitting epilog. + + * final.c (final_scan_insn, case CODE_LABEL): Invoke + FINAL_PRESCAN_INSN if FINAL_SCAN_LABEL is defined. + + * alpha/{linux.h,x-linux,xm-linux.h}: New files. + * configure (alpha-*-linux*): New case. + * alpha.c (output_prolog): Set alpha_function_needs_gp if profiling + and TARGET_PROFILING_NEEDS_GP defined. + +Thu Mar 14 22:28:20 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Fix last change. + * aix41.h (LINK_SPEC): add -bnoentry if shared and no explicit entry. + +Thu Mar 14 12:47:33 1996 Jim Wilson <wilson@cygnus.com> + + * mips.h (ASM_OUTPUT_DOUBLE_INT): Use 'X' if CONST_INT and + HOST_BITS_PER_WIDE_INT == 64. + + * mips.c (mips_expand_prologue): Change TYPE_NEEDS_CONSTRUCTING to + TREE_ADDRESSABLE; + +Thu Mar 14 11:21:37 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): For 32-bit mode, + allow TImode variables with int offsets, so that structures + greater than 8 bytes and less than or equal to 16 bytes can be + instantiated correctly. + + * rs6000.c (rs6000_valid_type_attribute_p): Add exception + attribute for Windows NT. + + * win-nt.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete, merge into + ASM_DECLARE_FUNCTION_NAME. + (ASM_DECLARE_FUNCTION_NAME): Add support for exception attribute + setting fields 3 & 4 of the structured exception handling table. + +Thu Mar 14 01:53:19 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.h (ASM_DECLARE_FUNCTION_NAME): Change TYPE_NEEDS_CONSTRUCTING + to TREE_ADDRESSABLE. From Jim Wilson. + +Wed Mar 13 13:40:32 1996 Jim Wilson <wilson@chestnut.cygnus.com> + + * c-tree.h (warn_sign_compare): Add extern to declaration. + +Wed Mar 13 13:37:00 1996 Doug Evans <dje@cygnus.com> + + * configure: Use cross-make and build-make if building + cross compiler with cross compiler. + +Wed Mar 13 12:00:34 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * i386/cygwin32.h (ASM_OUTPUT_ALIGN): Correct defination. + + * rs6000/{win-nt,cygwin32}.h (STARTFILE_SPEC): Add crti.o before + all objects. + (ENDFILE_SPEC): Add crtn.o after all objects. + + * configure (powerpcle-*-cygwin32): Use t-winnt, not t-cygin32 + * rs6000/t-cygwin32: Delete, no longer used. + + * rs6000/t-winnt ({,INSTALL_}LIBGCC): Build and install crti.o and + crtn.o. + + * rs6000/win-nt.h (EXTRA_SECTION_FUNCTIONS): Add ctors_section and + dtors_section. + (INVOKE__main): Define, so that __main is called. + (ASM_OUTPUT_{CONSTRUCTOR,DESTRUCTOR}): Define to put pointers to + the constructor/destructor in the appropriate section. + + * nt-c{i,n}.asm: New files to be linked before/after all of the users' + objects. + +Wed Mar 13 00:42:17 1996 Per Bothner <bothner@cygnus.com> + + * dbxout.c (dbxout_type): Better "variant" handling to ignore + const/volatile but not typedef names. Improves Feb 12 change. + +Tue Mar 12 17:25:14 1996 David Mosberger-Tang <davidm@azstarnet.com> + + * glimits.h (__LONG_MAX__): On Alpha, use 64 bit value. + +Tue Mar 12 15:07:49 1996 Torbjorn Granlund <tege@tmg.se> + + * m68k.c (valid_dbcc_comparison_p): Don't test cc_prev_status here. + (flags_in_68881): New function. + * m68k.md (dbra peepholes): Use flags_in_68881. + +Tue Mar 12 13:54:15 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sparc.md (nonlocal_goto): Emit barrier after jump. + (setjmp{,_64,_32}): New patterns. + +Tue Mar 12 12:43:27 1996 Jim Wilson <wilson@cygnus.com> + + * i960.h (ROUND_TYPE_SIZE): Return round_up result instead of + COMPUTED. + + * expr.c (expand_expr, case COMPONENT_REF): For unaligned object in + an aligned union, delete check for EXPAND_SUM. + + * expr.h (clear_storage): Add comment terminator. + +Mon Mar 11 19:07:50 1996 Jeffrey A. Law <law@cygnus.com> + + * recog.c (constrain_operands, case 'V'): Don't call + offsettable_memref_p before reload has completed. + +Mon Mar 11 16:06:13 1996 Doug Evans <dje@cygnus.com> + + * h8300.h (SP_AND_G_REGS): Renamed from SP_AND_G_REG. + (CC_DONE_CBIT): Delete. + (CC_OVERFLOW_0,CC_OVERFLOW_UNUSABLE,CC_NO_CARRY): Define. + * h8300.c (cond_string): Delete CC_DONE_CBIT handling. + (notice_update_cc): Delete CC_CBIT, CC_WHOOPS. Add CC_SET_ZN_C0. + (restore_compare_p): New function. + (shift_one): Use shll instead of shal so overflow bit is usable. + Set cc_valid bits to cc_status.flags values. + (emit_a_shift): Set cc_status.flags. + * h8300.md (attr cc): Delete whoops,cbit. Add set_zn_c0. + (all patterns) Update cc attr setting. + (tstqi,tsthi,tstsi): Delete CC_DONE_CBIT handling. + (addhi3,subhi3): Change define_expand to define_insn. + (branch_true,branch_false): Check if compare needs to be restored. + +Mon Mar 11 13:55:23 1996 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (CONST_DOUBLE_OK_FOR_LETTER_P): Add 'H' for movdi + patterns in 32 bit that generate 3 instructions. + (num_insns_constant): Add declaration. + + * rs6000.c (num_insns_constant{,_wide}) Functions to determine the + number of insns it takes to generate an integer constant. + (easy_fp_constant): Allow DImode in easy constants. Use + num_insns_constant_wide. + (input_operand): Allow any CONST_{INT,DOUBLE}'s for {SI,DI}mode. + + * rs6000.md (movdi): Generate a normal movdi using a CONST_DOUBLE + for 32 bit mode rather than using SUBREG's. For 64 bit mode, + break large integer constants into smaller pieces. Add various + define_splits to handle loading the various DImode constants. + +Mon Mar 11 06:54:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (make_extraction): Use proper mode for INNER in all cases. + (simplify_comparison, case ZERO_EXTRACT): For bits big endian and + no extzv, use BITS_PER_WORD. + * fx80.md, gmicro.md, i386.md, m68k.md, tahoe.md, vax.md: + Use proper modes and predicates for {sign,zero}_extract. + +Sun Mar 10 06:23:52 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * emit-rtl.c (free_insn): New variable. + (init_emit, restore_emit_status): Clear it. + (gen_sequence): Store insn in free_insn when sequence length is 1. + (make_insn_raw): Use free_insn if available and still in the + rtl generation phase. + +Fri Mar 8 15:37:31 1996 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_expr, case TARGET_EXPR): Delay putting the cleanup + on the cleanup chain until after the subexpression has been expanded. + +Fri Mar 8 16:14:51 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * i386.c (ix86_binary_operator_ok): One memory operand is OK. + This is independent of commutativity. + +Fri Mar 8 14:07:43 1996 Jim Wilson <wilson@cygnus.com> + + * expr.c (store_constructor_field): Call store_field if bitpos is + nonzero and target is not a MEM. + + * jump.c (jump_optimize): When handle a USE insn before an + unconditional jump, disable the optimization if the USE is the + only insn in the loop. + + * sh.c (reg_unused_after): Return 0 if see a JUMP_INSN. + +Fri Mar 8 12:08:36 1996 Doug Evans <dje@cygnus.com> + + * sparc/lynx.h (CPP_SPEC): Use %(cpp_cpu). + + * sparc/sparc.md (move_pic_label_si,move_label_di): Rewrite length + attr calcs to be more conservative. + +Thu Mar 7 19:14:21 1996 Doug Evans <dje@cygnus.com> + + * sparc/t-splet: New file. + * sparc/splet.h: New file. + * configure (sparclet-*-aout*): Use them. + + * sparc.h (MASK_LIVE_G0,TARGET_LIVE_G0): Define. + (FIRST_PSEUDO_REGISTER): Add 1 for %icc (now 101). + (FIXED_REGISTERS,CALL_USED_REGISTERS): Update. + (FIXED_REGISTERS): %g0 is fixed by default. + (SPARC_{FIRST,LAST}_V9_FCC_REG): Define. + (SPARC_{ICC,FCC}_REG): Define. + (CONDITIONAL_REGISTER_USAGE): Don't fix %fcc0 if v8. + (REG_CLASS_CONTENTS): Reg 0 is an int reg, reg 100 is %icc. + (REGNO_REG_CLASS): Rewrite to use global `sparc_regno_reg_class'. + (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER,LEAF_REGISTERS): Add %icc. + (REG_CLASS_FROM_LETTER): Handle 'c' for FPCC_REGS in non-v9 case. + (REGNO_OK_FOR_{BASE,INDEX}_P): Treat %g0 as a normal reg. + (REG_OK_FOR_{BASE,INDEX}_P,EXTRA_CONSTRAINT): Likewise. + (REGISTER_NAMES): Add %icc. + (ADDITIONAL_REGISTER_NAMES): Use SPARC_ICC_REG. + * sparc.c (leaf_reg_remap): Add %icc=100. + (reg_or_0_operand): Don't allow 0 if TARGET_LIVE_G0. + (fcc_reg_operand): Renamed from ccfp_reg_operand. + Use SPARC_FCC_REG. Don't treat reg 0 as an fcc reg. Don't match + modes if `mode' argument is VOIDmode. + (icc_or_fcc_reg_operand): New function. + (gen_compare_reg): Use SPARC_FCC_REG for v8 fp compares. + Use SPARC_ICC_REG for int compares. + (eligible_for_epilogue_delay): Don't allow anything if TARGET_LIVE_G0. + Delete unnecessary test for %g0. + (emit_move_sequence): Don't emit (set (mem) (const_int 0)) if + TARGET_LIVE_G0. + (output_scc_insn): Label moved to operand 3. Condition code reg + moved to operand 2. + (sparc_mode_class): Enum C_MODE renamed to CC_MODE. + (hard_32bit_mode_classes): Set reg 0 to S_MODES. Add entry for %icc. + (hard_64bit_mode_classes): Set reg 0 to D_MODES. Add entry for %icc. + (sparc_regno_reg_class): New global. + (sparc_init_modes): Initialize it. + (output_cbranch): Delete fp_cond_reg argument. + (print_operand, MEM op): Don't print "%g0+" if TARGET_LIVE_G0. + (sparc_flat_eligible_for_epilogue_delay): Don't allow anything if + TARGET_LIVE_G0. + * sparc.md (live_g0): New attribute. + (*): Integer condition code register is now reg 100. + Use SPARC_ICC_REG instead of hardcoding reg 100 where possible. + Non-v9 floating point condition code register is now reg 96. + (*cmp{sf,df,tf}_{fpe,fp}_sp{32,64}): Combine v9/non-v9 cases. + (*{normal,inverted}_{,fp,fpe}_branch): Update call to output_cbranch. + (*mov{qi,hi,si}_insn): Don't use if TARGET_LIVE_G0. + (*mov{qi,hi,si}_insn_liveg0): New patterns. + (*mov{si,di,sf,df,tf}_ccfp{,e}_sp64): ccfp_reg_operand renamed to + fcc_reg_operand. + (*negdi2_sp32,negsi2,one_cmplsi2,ffssi2): Ensure %%g0 is 0 if + TARGET_LIVE_G0. + (*one_cmpldi2_sp32): Move operand 1 to rs1 and use 0 as rs2. + (patterns that use %g0 in rs2): Use 0 immediate value instead. + (patterns that read %g0): Don't use if TARGET_LIVE_G0. + +Thu Mar 7 15:39:16 1996 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.h (PASS_IN_REG_P): Change < to <=. + * va-sh.h (va_start): Change __SH3E___ to __SH3E__. + (va_arg): Add little-endian SH3E support. Fix big-endian version + to work for arguments smaller than the word size. + +Thu Mar 7 10:37:37 1996 Jeffrey A. Law <law@cygnus.com> + + * lib2funcs.asm: Remove entry/exit routines. Move them into... + * ee.asm: New file. Entry/exit code. + * ee_fp.asm: New file. Entry/exit code with frame pointer. + * t-pa: Corresponding changes. + * t-pro: Corresponding changes. + + * pa.c: Fix misc small typos/thinkos in recent changes. + +Wed Mar 6 17:36:03 1996 Jason Merrill <jason@yorick.cygnus.com> + + * cplus-dem.c (demangle_template): Fix for address-of-extern arguments. + +Wed Mar 6 15:12:55 1996 Jeffrey A. Law <law@cygnus.com> + + * t-pro (dp-bit rule): Fix typo. + + * lib2funcs.asm (__outline_prologue): Remove frame pointer + support. + (__outline_prologue_fp): Out of line prologue with frame pointer. + (__outline_epilogue, outline_epilogue_fp): Similarly. + * pa.c (compute_frame_size): Allocate enough space to avoid holes + in the callee register saves. Remove some special handling of %r3. + (hppa_expand_prologue): Don't do an out of line prologue/epilogue + if it would take more insns than an inline prologue/epilogue. + Don't leave holes in the callee register save set. + (hppa_expand_prologue): Corresponding changes. Pass stack size + to out of line epilogue code. + * pa.h (FRAME_POINTER_REQUIRED): Revert last change. + * pa.md (outline_prologue_call): Handle outline prologues which + don't need frame pointers. + (outline_epilogue_call): Similarly. + * t-pro: Reenable multilib code. Build a set of libraries that + optimize for space. + +Wed Mar 6 14:28:14 1996 Jim Wilson <wilson@chestnut.cygnus.com> + + * Makefile.in (USER_H): Add ginclude/va-sh.h. + * ginclude/stdarg.h, ginclude/varargs.h: Use va-sh.h. + * ginclude/va-sh.h: New file. + + * sh.h (PASS_IN_REG_P): Fix typo in last change. + +Wed Mar 6 11:42:06 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (enum processor_type): Remove PROCESSOR_PPC602. + (RTX_COSTS): Remove PROCESSOR_PPC602. PPC603 MULT cost depends + on constant and domain. + * rs6000.c (processor_target_table): 602 uses PROCESSOR_PPC603. + (get_issue_rate): Remove CPU_PPC602. + * rs6000.md (function units): Remove PPC602. Add store and + fpstore type attribute values. Update patterns. + +Tue Mar 5 18:43:43 1996 Richard Henderson <rth@tamu.edu> + + * m68k/coff.h (ASM_OUTPUT_SECTION_NAME): New define. + + * m68k/{aux-crt1.c,aux-crt[2n].asm}: New files. + * m68k/{aux-exit.c,aux-low.gld,aux-mcount.c}: More new files. + * m68k/{aux.h,auxgnu.h,auxstd.h}: Even more new files. + * m68k/{t-aux,xm-aux.h}: The rest of the new files. + * m68k/sgs.h (ASM_OUTPUT_CASE_END): Add missing semicolon. + (switch_table_difference_label_flag): Make extern. + * fixincludes (sys/param.h): Fix c89 __asm statements. + * configure (m68k-apple-aux*): New target. + +Tue Mar 5 17:38:19 1996 Doug Evans <dje@cygnus.com> + + * sparc.md (*mov{qi,hi,si}_insn): Simplify length attribute. + (*movsi_insn): Use fpload/fpstore attributes for fp loads/stores. + %r1 -> %1 for fpstore alternative. + (*movsf_insn,*movsf_no_f_insn): %r1 -> %1. + +Tue Mar 5 17:19:17 1996 Jason Merrill <jason@yorick.cygnus.com> + + * expr.c (expand_expr, case *_DECL): If we make a non-local + reference from a function with DECL_NO_STATIC_CHAIN set, abort. + (expand_expr, case ADDR_EXPR): We don't need a trampoline for a + function with DECL_NO_STATIC_CHAIN set. + * function.c (lookup_static_chain): If we're checking on a function + that doesn't need a static chain, return 0. + (init_function_start): We don't need context if DECL_NO_STATIC_CHAIN + is set. + * tree.c (staticp): Check DECL_NO_STATIC_CHAIN on nested functions. + +Tue Mar 5 15:04:29 1996 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.md (push_e, pop_e): Add TARGET_SH3E to condition. + * sh.h (JUMP_TABLES_IN_TEXT_SECTION): Define. + * sh.c (find_barrier): Set si_limit to 1018 instead of 1020, and + hi_limit to 510 instead of 512. + +Tue Mar 5 13:39:44 1996 Doug Evans <dje@cygnus.com> + + * loop.c (init_loop): Use pseudo reg in add_cost computation + so cost doesn't vary depending on whether reg 0 happens to be + fixed or not. + +Tue Mar 5 09:32:24 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * reg-stack.c (record_label_references): Check for undefined label. + +Tue Mar 5 09:22:20 1996 Scott Christley (scottc@net-community.com) + + * objc/objc-api.h, objc/runtime.h: Include objc/thread.h. + * objc/class.c (__objc_init_class_tables): Surround sarray access + with mutex lock/unlock. + (__objc_add_class_to_hash, objc_lookup_class): Likewise. + (objc_get_class, objc_get_next_class): Likewise. + (__objc_resolve_class_links, class_pose_as): Likewise. + * objc/init.c (__objc_runtime_mutux, __objc_runtime_thread_alive): + New variables. + (objc_init_statics, __objc_init_protocols): Surround sarray access + with mutex lock/unlock + (__objc_exec_class): Likewise. + Initialization for thread-safe global variables. + Declarations for thread-safe functions and global variables + * objc/sendmsg.c (get_imp, __objc_responds_to): + Surround sarray access with mutex lock/unlock. + (__objc_init_install_dtable): Likewise. + (__objc_update_dispatch_table_for_class): Likewise. + (__objc_print_dtable_stats): Likewise. + * objc/selector.c (sel_get_typed_uid, sel_get_any_typed_uid): Likewise. + (sel_get_any_uid, sel_get_name, sel_register_name): Likewise. + (sel_register_typed_name): Likewise. + * objc/sarray.h (union sversion): New. + (struct sarray): Maintain multiple versions. + (sarray_remove_garbage): Add prototype. + * objc/sarray.c (sarray_{remove,free}_garbage): New functions. + (sarray_at_put, sarray_new, sarray_lazy_copy): + Modify/copy sarray structure/data in a thread-safe manner + (sarray_{realloc,free}): Reallocate/free sarray structure/data in a + thread-safe manner. + + * objc/THREADS, objc/thread.c, objc/thread.h: New files. + * objc/thread-{decosf1,irix,solaris,win32,single}.c: New files. + * objc/objc-list.h: Renamed from objc/list.h. + * objc/Makefile: Changes to compile new files and name renaming. + * objc/makefile.dos: Likewise. + +Tue Mar 5 07:51:31 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * bc-emit.c, bc-optab.c (free): Delete declaration of library function. + + * c-decl.c (duplicate_decl): If making decl non-external, copy + context from old to new. + +Tue Mar 5 02:27:35 1996 Jeffrey A. Law <law@cygnus.com + + * lib2funcs.asm (__outline_prologue): New "function". + (__outline_epilogue): New "function". + * pa.h (TARGET_SPACE): Define. + (target_flags): Add -mspace and -mno-space. Enable/disable + space saving optimizations. + (FRAME_POINTER_REQUIRED): Frame pointers are always required + when generating out of line prologues and epilogues. + * pa.c (compute_frame_size): Handle out of line prologues/epilogues. + (hppa_expand_prologue): If optimizing for space, emit an out of + line prologue. + (hppa_expand_epilogue): Similarly. + (override_options): Optimizing for space is not compatable with + either profiling or PIC code generation. + * pa.md (outline_prologue_call): New pattern. + (outline_epilogue_call): Likewise. + +Tue Mar 5 02:17:32 1996 Doug Evans <dje@cygnus.com> + + * sparc.md (*cmp{si,di}_insn): %r0 -> %0. + (DFmode move define_split): Ensure registers not extended v9 fp regs. + (*mov{sf,df,tf}_cc_reg_sp64): %r3 -> %3. + +Mon Mar 4 18:46:37 1996 Manfred Hollstein <manfred@lts.sel.alcatel.de> + + * Makefile.in (CRT0STUFF_T_CFLAGS): New macro. + (stamp-crt0, crt0.o, mcrt0.o): New goals. + (STAGESTUFF): stamp-crt0 added. + + * collect2.c (main): Check new define DEFAULT_A_OUT_NAME. + + * m68k.c (print_operand): Emit .l as scale factor #ifdef MOTOROLA. + * m68k/mot3300-crt0.S, m68k/mot3300Mcrt0.S: New files. + * m68k/mot3300g.h: Deleted. + * m68k/mot3300.h (FUNCTION_PROFILER): Emit label references + corresponding to those generated by ASM_OUTPUT_INTERNAL_LABEL. + (MOTOROLA, MOTOROLA_BSR, ...): Define #ifndef USE_GAS. + (ASM_SPEC): Define properly #ifdef USE_GAS. + (LIB_SPEC): -L/usr/lib/libp deleted. + (STARTFILE_SPEC): -L/usr/lib/libp added. + (DEFAULT_A_OUT_NAME): Define. + (LINK_SPEC): Pass -v if GNU ld is used. + (LOCAL_LABEL_PREFIX): Local labels start with .L using GAS, else L%. + (USER_LABEL_PREFIX): Undefine. + (FUNCTION_PROFILER): Call asm_fprintf instead of normal fprintf. + (ASM_APP_ON, ASM_FILE_START): GAS supports it. + (CTORS_.../DTORS_...): Define if GNU ld is used. + (ASM_FILE_START): Define properly for Motorola and GNU as syntax. + (TARGET_VERSION): Re-define only #ifndef USE_GAS. + (CALL_USED_REGISTERS): Deleted. + (GLOBAL_ASM_OP): Re-define only #ifndef USE_GAS. + (ASM_{LONG,SHORT,CHAR,BYTE,BYTE_OP}): New macros. + (ASM_OUTPUT_{DOUBLE,LONG_DOUBLE,FLOAT,INT,SHORT}): Use them. + (ASM_OUTPUT_{CHAR,BYTE,ASCII,FLOAT_OPERAND,DOUBLE_OPERAND}): Likewise. + (ALIGN_ASM_OP, SKIP_ASM_OP): New macros. + (ASM_OUTPUT_{ALIGN,SKIP}): Use them. + (ASM_OUTPUT_SOURCE_FILENAME): Define only if not using GNU as. + (ASM_{GENERATE,OUTPUT}_INTERAL_LABEL): Provide proper definitions for + Motorola and GNU as syntax. + (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Changed for portability between + Motorola and GNU as syntax. + (ASM_OUTPUT_{CASE_LABEL,OPCODE}): Define only if not using GNU as. + (ASM_OUTPUT_CASE_FETCH, ASM_RETURN_CASE_JUMP): New macros. + (ASM_OUTPUT_{COMMON,LOCAL}): Proper defns for Motorola and gas syntax. + (SDB_...): Define only for Motorola as. + (ALT_LIBM): New define to tell g++.c about an alternative name for + `-lm'. + (MATH_LIBRARY, NEED_ATEXIT, HAVE_ATEXIT, EXIT_BODY): New macros. + * m68k/t-mot3300, m68k/t-mot3300-{gald,gas,gld}: New files. + * m68k/x-mot3300-gas: New file. + * m68k/xm-mot3300.h (USG): Set to 1. + * configure (m68k-motorola-sysv*): Keep track of new different + combinations (--with-gnu-...), and provide proper definitions for + tm_file, xmake_file, tmake_file, use_collect2, and extra_parts. + + * gbl-ctors.h (HAVE_ATEXIT): Define if NEED_ATEXIT is defined. + (atexit): Use `int atexit' prototype also if NEED_ATEXIT is defined. + (on_exit): According to man on_exit on the Sun it returns int not void. + * libgcc2.c (L_bb/atexit, onexit): Declarations replaced by + #include'ing "gbl-ctors.h". + (L_exit/atexit): New function. + (L_exit/exit): Call any registered functions. + +Mon Mar 4 18:03:38 1996 Bryan Ford (baford@cs.utah.edu) + + * configure (i[3456]86-moss-msdos*): New target. + * i386/moss.h: New file. + +Mon Mar 4 17:38:50 1996 Jim Wilson <wilson@cygnus.com> + + * sh.h (PASS_IN_REG_P): Don't reject BLKmode for SH3e. + For SH3e, do reject parameter that won't fit entirely in registers. + + * sh.md (mulhisi3-2, mulhisi3-1, mulsidi3_i, umulsidi3_i, + smulsi3_highpart, umulsi3_highpart): Renames operands 1/2 to 0/1. + (mulsidi3, umulsidi3): Add support for TARGET_LITTLE_ENDIAN. + + * sh.c (machine_dependent_reorg): In TARGET_RELAX code, when scan + forward from LINK, fail if pass a CODE_LABEL before finding INSN. + Fail if SCAN not INSN is a JUMP_INSN. + +Mon Mar 4 11:27:10 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (CALL_LONG): Change CALL_xx values from an enumeration + to bitmasks. Add CALL_LONG to support longcall attributes. + (rs6000_args): Call_cookie field is now an int. + (rs6000_longcall_ref): Add declaration. + + * rs6000.c (init_cumulative_args): Add support for longcall + attributes to always call through a pointer. + (function_arg): Ditto. + (rs6000_valid_type_attribute_p): Ditto. + (rs6000_longcall_ref): New function for long calls. + + * rs6000.md (call insns): Add support for longcall attributes. + +Mon Mar 4 08:42:14 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * real.c (significand_size): Don't test the modes, but their sizes. + + * dwarfout.c (xstrdup): Moved from here. + * toplev.c (xstrdup): New function. + * tree.h (xstrdup): Declare. + * bc-emit.c (bc_xstrdup): Delete. + * expr.c (bc_strdup): Delete. + (bc_load_externaddr_id): Use xstrdup instead of bc_xstrdup. + * function.c (bc_expand_function_start): Likewise. + * 1750a.c (strdup): Delete. + (float_label): Use xstrdup instead of strdup. + * 1750a.h (xstrdup): Declare instead of instead of strdup. + (ASM_OUTPUT_LABEL): Use xstrdup instead of strdup. + (FIX_FRAME_POINTER_ADDRESS): Don't use DEPTH in string. + +Mon Mar 4 08:23:23 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * xm-we32k.h (NO_WAIT_H): Deleted. + + * collect2.c: Never include wait.h. + +Sat Mar 2 22:43:07 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu> + + * configure (code for making links): Work around sh bug on FreeBSD. + +Sat Mar 2 13:40:29 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.h (BIGGEST_FIELD_ALIGNMENT): Replace uses of + TARGET_ALIGN_STRUCT_300 with TARGET_ALIGN_300. + (BIGGEST_ALIGNMENT): Likewise. + +Sat Mar 2 08:04:50 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (expand_call): If passing by invisible ref, not const. + + * sparc.c (SKIP_CALLERS_UNIMP_P): Make agree with test used in call. + + * expr.c (do_jump, case COMPOUND_EXPR): Call preserve_temp_slots. + + * fold-const.c (fold, case *_DIV_EXPR): Ignore SAVE_EXPR if has RTL. + +Fri Mar 1 17:59:17 1996 Jeffrey A. Law <law@cygnus.com> + + * optabs.c (emit_cmp_insn): Immediately copy the return + value from the library call into a pseudo register. + (emit_float_lib_cmp): Likewise. + +Fri Mar 1 14:37:40 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (BSS_SECTION_ASM_OP): Define. + (*_SECTION_ASM_OP): Change tab after .section into a space. + (ASM_OUTPUT_INT): Ditto. + (ASM_OUTPUT_ALIGNED_LOCAL): Rewrite to use bss_section. + (ASM_OUTPUT_ALIGNED_BSS): Define to use ASM_GLOBALIZE_LABEL and + ASM_OUTPUT_ALIGNED_LOCAL. + + * rs6000/win-nt.h (BSS_SECTION_ASM_OP): Define. + (ASM_OUTPUT_ALIGNED_LOCAL): Define. + (ASM_OUTPUT_LOCAL): Don't define any more. + (ASM_OUTPUT_ALIGNED_BSS): Define to use ASM_GLOBALIZE_LABEL and + ASM_OUTPUT_ALIGNED_LOCAL. + +Thu Feb 29 17:33:12 1996 Jim Wilson <wilson@chestnut.cygnus.com> + + * c-typeck.c (push_init_level): When output padding to align structure + field, set constructor_unfilled_fields. + + * dbxout.c (dbxout_type, case METHOD_TYPE): Add CHARS (1) call + after emitting second '#' character. + +Thu Feb 29 13:59:27 1996 Doug Evans <dje@charmed.cygnus.com> + + * h8300.h (ASM_OUTPUT_BSS): Define. + * m68k/coff.h (BSS_SECTION_ASM_OP): Define. + (ASM_OUTPUT_ALIGNED_BSS): Define. + * m68k/m68k-aout.h (BSS_SECTION_ASM_OP): Define. + (ASM_OUTPUT_BSS): Define. + +Thu Feb 29 13:39:39 1996 Per Bothner <bothner@cygnus.com> + + * varasm.c (compare_constant_1): For a SET_TYPE CONSTRUCTOR, + first extract and compare the set length. + + * varasm.c (record_constant_1): For SET_TYPE CONSTRUCTOR, + permanent_obstack.next_free is *end* of available space. + +Thu Feb 29 13:14:14 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.h (TARGET_SWITCHES): Add new flags "-mlong-load-store" and + "-mno-long-load-store". + (TARGET_LONG_LOAD_STORE): Define. + * pa.md (symbolic high part): Handle TARGET_LONG_LOAD_STORE. + +Thu Feb 29 11:39:30 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.md (cmpxf*): XF compare cannot have mem operands. + (casesi expand): Put (minus:SI..) into subsi3 format. + * i386.c (i386_return_pops_args): Cleanup extra argument + used as address of a returned structure. + +Wed Feb 28 22:24:28 1996 Doug Evans <dje@cygnus.com> + + * varasm.c (enum in_section): Define in_bss if BSS_SECTION_ASM_OP + is defined. + (bss_section,asm_output_bss,asm_output_aligned_bss): New functions. + (assemble_variable): Delete redundant test for too large an object. + Rewrite test for uninitialized variables. Use new macros + ASM_OUTPUT{,_ALIGNED}_BSS if defined to output global uninitialized + but not common variables. + * bytecode.h (BC_OUTPUT_BSS): Define. + * lynx.h (EXTRA_SECTIONS): Delete in_bss. + (EXTRA_SECTION_FUNCTIONS): Delete BSS_SECTION_FUNCTION. + * svr3.h (EXTRA_SECTIONS): Likewise. + (BSS_SECTION_FUNCTION): Delete. + * convex.h (EXTRA_SECTIONS,EXTRA_SECTIONS_FUNCTIONS): Delete. + * dsp16xx.h (EXTRA_SECTIONS): Delete in_bss. + (EXTRA_SECTION_FUNCTIONS): Delete bss_section. + * gmicro.h (EXTRA_SECTIONS,EXTRA_SECTIONS_FUNCTIONS): Delete. + * i386/aix386ng.h (EXTRA_SECTION_FUNCTIONS): Delete + BSS_SECTION_FUNCTION. + * i386/att.h (BSS_SECTION_FUNCTION): Delete. + * i386/sco5.h (EXTRA_SECTIONS): Delete in_bss. + (EXTRA_SECTION_FUNCTIONS): Delete BSS_SECTION_FUNCTION. + (BSS_SECTION_FUNCTION): Delete. + * i386/seq-sysv3.h (BSS_SECTION_FUNCTION): Delete. + * i386/svr3gas.h (EXTRA_SECTIONS): Delete in_bss. + (EXTRA_SECTION_FUNCTIONS): Delete BSS_SECTION_FUNCTION. + (BSS_SECTION_FUNCTION): Delete. + * i860/paragon.h (EXTRA_SECTIONS,EXTRA_SECTIONS_FUNCTIONS): Undef. + * m68k/crds.h (EXTRA_SECTIONS,EXTRA_SECTIONS_FUNCTIONS): Delete. + (BSS_SECTION_ASM_OP): Define. + * m68k/m68k.h (BC_OUTPUT_BSS): Define. + * mips/iris6.h (EXTRA_SECTIONS): Delete in_bss. + * pa.h (EXTRA_SECTIONS): Delete in_bss. + (EXTRA_SECTION_FUNCTIONS): Delete bss_section. + * sparc/litecoff.h (EXTRA_SECTIONS): Delete in_bss. + +Wed Feb 28 14:12:25 1996 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.h (FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P): Include FP + registers only when TARGET_SH3E. + (PASS_IN_REG_P): Exclude BLKmode only when ! TARGET_SH3E. + +Wed Feb 28 12:03:26 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (rs6000_trampoline_{template,size}): Change Windows NT + trampoline template so it doesn't require making stack executable. + Add support for 64 bit systems. + (rs6000_initialize_trampoline): Ditto. + +Tue Feb 27 16:42:00 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c (print_operand): New code 'H'. + * rs6000.md (insv, extzv): Add DImode patterns. Use 'h' + consistently for masking SImode shifts. + (rotldi3, ashldi3, lshrdi3, ashrdi3): Use 'H'. + (movsf split): Generate CONST_INT instead of SUBREG. + +Tue Feb 27 15:02:17 1996 Doug Evans <dje@cygnus.com> + + * sh.h (HANDLE_PRAGMA): Delete `return'. + +Tue Feb 27 08:18:12 1996 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.c (aof_text_section): Remove pseudo read-only hack. Doesn't + take a parameter any more. + * arm/aof.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Remove + readonly data sections. + (READONLYDATA_SECTION, READONLY_DATA_SECTION): Delete. + + * arm.h (enum arm_cond_code): New enum. + (ARM_INVERSE_CONDITION_CODE): Moved here from arm.c. + (SELECT_CC_MODE): Call arm_select_cc_mode to do the work. + (PREDICATE_CODES): Add dominant_cc_register; delete + reversible_cc_register. + * arm.c (arm_current_cc): Now an enum. + (ARM_INVERSE_CONDITION_CODE): Moved to arm.h + (revsersible_cc_register): Delete. + (dominant_cc_register): New function. + (select_dominance_cc_mode): New function. + (arm_select_cc_mode): New function. + (output_return_instruction): New parameter REVERSE, used to + reverse the condition of a conditional return. All callers + changed. + (arm_print_operand case 'D'): Only suppress condition printing + if the operand is a NULL pointer. + (get_arm_condition_code): Now a static function returning + enum arm_cond_code. Handle dominance expressions. Return enum + values rather than integers. + * arm.md (*addsi3_compare0_scratch): New insn. + (*movsi_compare0, *cmpsi_insn, *cmpsi_shiftsi): Make sure the + compare has mode CC. + (cmp{si,sf,df,xf} expands): Just provide sufficient information + to allow the parameters to be matched properly. + (*cmpsi_negsi): Delete (of dubious validity). + (*cmpsi_shiftsi_swp): New pattern. + (*condbranch_reversed): No longer needs to check REVERSIBLE_CC_MODE. + (mov{si,sf,df}cc, *mov{si,sf,df}{,_hard,_soft}_insn): The mode of the + IF_THEN_ELSE must be appropriate to the target (not void). + (*and_scc): Match cc_register, not reversible_cc_register. + (*ior_compare_compare): Delete. + (split for ior_compare_compare + condjump): Delete. + (*impossible_cond_compare): Delete. + (*condition_compare_ior): Delete. + (*cond_move): Mode for the IF_THEN_ELSE must be SImode. + (*and_scc_scc): Delete. + (split for and_scc_scc + condjump): Delete. + (*impossible_cond_branch_and): Delete. + (*cmp_ite0, *cmp_ite1): New patterns. + (if_compare_not): Should be an anonymous pattern. + (Peephole for move and compare): Compare mode must be mode CCmode. + (Split pattern for comparing shifted reg then branch): Delete. + (*loadqi_compare): Delete, replaced with a split pattern to do + the same thing. + (*cond_move_not): Match cc_register, not reversible_cc_register. + + * arm.c ({load,store}_multiple_sequence): New functions. + (emit_{ldm,stm}_seq): New functions. + * arm.md (load/store multiple peepholes): Rewrite using the above + functions. + (all patterns taking immediate_operand): If the code later assumes + this is a CONST_INT, then match const_int_operand instead. + +Mon Feb 26 17:26:13 1996 Doug Evans <dje@cygnus.com> + + * sparc.md: Add sparclet scheduling parameters. + (compare define_insn's): Move closer to compare define_expand's. + (32 bit multiply patterns): Use for TARGET_SPARCLET. + (*smacsi,*smacdi,*umacdi): Multiply/accumulate patterns for the + sparclet. + +Sat Feb 24 19:13:29 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (movsf split): Fix typo in last patch. + +Sat Feb 24 10:02:55 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * toplev.c (fatal_insn): Flush stdout/stderr. + +Sat Feb 24 02:03:28 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.md (abssi2): Rework to avoid matching constraints. + +Fri Feb 23 11:21:43 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.c (override_options): Warn if both PIC code generation and + profiling are requested. + +Fri Feb 23 08:47:38 1996 Richard Kenner (kenner at vlsi1) + + * expr.c (expand_builtin, case BUILT_IN_SETJMP): Set CONST_CALL_P + on NOTE_INSN_SETJMP instead of emitting USE insns for call-saved regs. + * reload1.c (reload): For special CONST_CALL_P NOTE_INSN_SETJMP, + mark all call-saved regs as used. + * sched.c (sched_analyze): Record NOTE_INSN_SETJMP if no + CALL_INSN as prev; preserve CONST_CALL_P bit. + (reemit_notes): Restore CONST_CALL_P. + +Thu Feb 22 17:45:12 1996 Doug Evans <dje@cygnus.com> + + * configure (sparclet-*-aout*): Set extra_headers. + * ginclude/inl-sparc.h: New file. + +Wed Feb 21 20:39:53 1996 Doug Evans <dje@cygnus.com> + + * configure (sparc64-*-solaris2*): Merge with sparc-*-solaris2*. + * sparc.h (enum processor_type): Declare. + (sparc_cpu_attr): Define. + (TARGET_OPTIONS): Add -mtune=. + (sparc_select): Declare. + (sparc_cpu_string): Delete. + (FIRST_PSEUDO_REGISTER): Set to 100. + ({FIXED,CALL_USED}_REGISTERS): Merge !v9/v9 cases. + (CONDITIONAL_REGISTER_USAGE): Mark %g5 as fixed if !v9. + Mark %g1 as fixed if v9. Fix v9-only regs if !v9. + Mark fp{16..47} as call-saved if v9. + (enum reg_class): Merge !v9/v9 cases. + (REG_CLASS_NAMES,REG_CLASS_CONTENTS,REGNO_REG_CLASS): Likewise. + (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER,LEAF_REGISTERS): Likewise. + (FP_REG_CLASS_P,SPARC_REGISTER_NAMES): Likewise. + (REG_CLASS_FROM_LETTER): Test TARGET_V9 at runtime. + * sparc.c (sparc_cpu_string): Delete. + (sparc_select): New global. + (sparc_override_options): Handle -mtune=xxx. + * sparc.md (cpu attr): Add sparc{lite,let} implementations. + * sparc/sp64-sol2.h: Deleted. + + * arm.md (consttable_end): Delete call to text_section. + (align_4): Delete call to readonly_data_section. + +Wed Feb 21 14:29:06 1996 Ian Lance Taylor <ian@cygnus.com> + + * cplus-dem.c (demangle_template): Initialize is_bool. Correctly + handle 0 as a pointer value parameter. + +Wed Feb 21 14:13:29 1996 Jason Merrill <jason@yorick.cygnus.com> + + * tree.c (decl_function_context): Do decl_function_context right for + function-local classes. + +Wed Feb 21 12:42:52 1996 Jeffrey A. Law <law@cygnus.com> + + * c-typeck.c (initializer_constant_valid_p): Don't dereference + a null pointer on partial structure initialization. + +Wed Feb 21 11:49:58 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (ASM_OUTPUT_EXTERNAL): Append section info + even when verbatim symbol prefix '*' present. + * rs6000/aix3newas.h (ASM_OUTPUT_EXTERNAL): Same. + * rs6000/aix41.h (ASM_OUTPUT_EXTERNAL): Same. + * rs6000/powerpc.h (ASM_OUTPUT_EXTERNAL): Same. + * rs6000/win-nt.h (ASM_OUTPUT_EXTERNAL): Same. + +Wed Feb 21 03:55:32 1996 Paul Eggert <eggert@twinsun.com> + + * cccp.c (validate_else): Don't loop given `#endif /'. + Handle multiple adjacent backslash-newlines correctly. + Accept a new parameter LIMIT to specify end of input; + this prevents confusion when the input contains '\0' characters. + (collect_expansion): Fix off-by-1 error when searching for `*/' + at end of a comment used for traditional token concatenation. + (macarg1): Fix off-by-1 error when skipping past `*/' + at end of comment. + +Tue Feb 20 16:12:31 1996 Doug Evans <dje@cygnus.com> + + * hard-reg-set.h (twice unrolled GO_IF_HARD_REG_EQUAL): Add missing \. + +Tue Feb 20 14:21:16 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.h (DBX_CONTIN_LENGTH): Define to 4000 characters. + + * pa.c (hppa_expand_epilogue): Always emit a blockage insn + before cutting back the stack. + +Mon Feb 19 19:42:15 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * sparc.h (TARGET_SWITCHES): Add -m{,no-}impure-text. + (MASK_IMPURE_TEXT, TARGET_IMPURE_TEXT): Define. + (LINK_SPEC): Only add `-assert pure-text' if -mimpure-text wasn't used. + +Mon Feb 19 19:20:15 1996 Doug Evans <dje@canuck.cygnus.com> + + * configure (sparc-aout): sparc-aout.h renamed to aout.h. + (sparclet-aout): Likewise. + (sparclite-*-aout*): Renamed from sparclite-*-*. + Don't set use_collect2. + (target_cpu_default): Set to TARGET_CPU_<cpu> for sparc. + + * sparc.h (TARGET_CPU_sparc{,let,lite,64}): Define. + ({CPP,ASM}_DEFAULT_SPEC): Set from TARGET_CPU_foo. + (SPARC_ARCH64 CPP_PREDEFINES): Define __arch64__. + (CPP_SPEC): Add %(cpp_cpu). + (CPP_CPU_SPEC): Define. + (CC1_SPEC): Convert -m<cpu> to -mcpu=<cpu>. + (ASM_SPEC): Add %(asm_cpu). + (ASM_CPU_SPEC): Define. + (EXTRA_SPECS,SUBTARGET_EXTRA_SPECS): Define. + (OVERRIDE_OPTIONS): Call SUBTARGET_OVERRIDE_OPTIONS after + sparc_override_options. + ({MASK,TARGET}_SUPERSPARC): Delete. + ({MASK,TARGET}_SPARCLET): Define. + (MASK_ISA): Renamed from MASK_CPUS. + (TARGET_SWITCHES): Delete no-{v8,sparclite}. + (sparc_cpu,sparc_cpu_string): Declare. + ({SUB,}TARGET_OPTIONS): Define. + (FIXED_REGISTERS): Add definitions for sparc64 in 32 bit mode. + (CONDITIONAL_REGISTER_USAGE): Don't set fixed_regs[234] if sparc64. + Don't set call_used_regs[48..80] for sparc64 in 32 bit mode. + Don't clobber fixed_regs[234] if -ffixed- was passed. + (ADJUST_COST): Change test for supersparc. + * sparc.c (sparc_cpu_string,sparc_cpu): New globals. + (sparc_override_options): Set ISA and CPU from sparc_cpu_string. + Delete tests for v9 only switches if not v9. + Error if -mcpu=v9 and v9 support not compiled in. + * sparc/sol2.h (CPP_SPEC): Use %(cpp_cpu). + (ASM_SPEC): Likewise. + (ASM_{DEFAULT,CPU}_SPEC): Use Solaris syntax for sparc64. + * sparc/sysv4.h (ASM_SPEC): Add %(asm_cpu). + * sparc/t-sparcbare (MULTILIB_*): -mv8 renamed to -mcpu=v8. + * sparc/t-sparclite (MULTILIB_*): Delete msoft-float and mno-flat, + they're the defaults. Add -mcpu=f934 as synonym for -mfpu. + * va-sparc.h (__arch64__): Renamed from __sparc_v9__. + + * sparc/lite.h: #include aoutos.h. + (TARGET_DEFAULT): Use MASK_FOO values. + * sparc/sp64-aout.h: #include aoutos.h. + (TARGET_DEFAULT): Add MASK_APP_REGS. + (JUMP_TABLES_IN_TEXT_SECTION,READONLY_DATA_SECTION): Delete. + * sparc/sp64-elf.h (TARGET_DEFAULT): Add MASK_APP_REGS. + (CPP_PREDEFINES): Define __arch64__. + * sparc/sp64-sol2.h (TARGET_DEFAULT, SUBTARGET_SWITCHES): Delete. + (ASM_SPEC): Delete. + + * sparc.h ({MASK,TARGET}_FRW): Delete. + (FRAME_POINTER_REQUIRED,INITIAL_FRAME_POINTER_OFFSET, + BASE_{INCOMING_ARG,OUTGOING_VALUE}_REG,INCOMING_REGNO,OUTGOING_REGNO, + FUNCTION_{PROLOGUE,EPILOGUE},DELAY_SLOTS_FOR_EPILOGUE): TARGET_FRW + renamed to TARGET_FLAT. + + * sparc.md (cpu attr): Add all cpu variants. + (negtf2,negdf2,abstf2,absdf2): Use isa attr, not arch attr, in + determining insn lengths. + + * sparc/aout.h: Renamed from sparc-aout.h. + (CPP_PREDEFINES): Delete __GCC_NEW_VARARGS__. + Add -Acpu(sparc) -Amachine(sparc). + +Mon Feb 19 17:49:08 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (movsf split): Use SUBREG, not operand_subword. + (movdf split): operand_subword TARGET_32BIT and new split using + SUBREG for TARGET_64BIT. + * rs6000.c (easy_fp_constant): Rewrite to not use operand_subword. + (input_operand): Remove final add_operand test made irrelevant by + Dec. 8 change. + (output_toc): Handle DImode values. + +Mon Feb 19 13:38:00 1996 Lee Iverson <leei@Canada.AI.SRI.COM> + + * i386/sol2.h (SWITCH_TAKES_ARG): Restore -R. + * sparc/sol2.h (SWITCH_TAKES_ARG): Likewise. + +Mon Feb 19 08:19:00 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * hard-reg-set.h (HARD_REG macros): If more than + HOST_BITS_PER_WIDE_INT hard registers and less than or equal to + 4*HOST_BITS_PER_WIDE_INT hard registers, unroll loops by hand. + +Mon Feb 19 07:35:07 1996 Torbjorn Granlund <tege@tmg.se> + + * rs6000.md (not:SI with assign and compare): Fix typo. + (not:DI with assign and compare): Likewise. + +Mon Feb 19 07:17:25 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sparc.md (nonlocal_goto): No longer need USE of %o0. + (goto_handler_and_restore): Show uses %o0. + + * combine.c (force_to_mode, case IOR): Fix typo in commuting + IOR and LSHIFTRT. + + * alpha.c (call_operand): If in REG, only reg 27 valid. + +Mon Feb 19 06:57:34 1996 Richard Earnshaw (rearnsha@armltd.co.uk) + + * emit-rtl.c (operand_subword): For 32-bit targets, return + the appropriate subword of extended precision CONST_DOUBLEs. + + * arm.c (offsettable_memory_operand): New function. + (alignable_memory_operand): New function. + (gen_rotated_half_load): New function. + (get_arm_condition_code): Extract the mode of the comparison and + use it to generate the correct return value. + * arm.h (EXTRA_CC_MODES, EXTRA_CC_NAMES): Add CC_Zmode. + (SELECT_CC_MODE): return CC_Zmode if the operand is QImode. Allow LT + and GE comparisons in CC_NOOVmode. + (PREDICATE_CODES): add offsettable_memory_operand and + alignable_memory_operand. + * arm.md (*zeroextract[qs]i_compare0_scratch): Use const_int_operand + for operands 1 and 2. + (split patterns for aligned memory half-word operations): New patterns. + (movhi): Handle memory accesses where the alignment is known in a more + efficient manner. + (*compareqi_eq0): Use CC_Zmode. + +Mon Feb 19 05:34:08 1996 Jason Merrill <jason@phydeaux.cygnus.com> + + * toplev.c (lang_options): Add -W{no-,}sign-compare. + + * c-tree.h: Declare warn_sign_compare. + + * c-typeck.c (build_binary_op): Check warn_sign_compare rather + than extra_warnings to decide whether to warn about comparison of + signed and unsigned. + + * c-decl.c (c_decode_option): Handle warn_sign_compare. -Wall + implies -Wsign-compare. + +Sun Feb 18 21:13:44 1996 Pat Rankin (rankin@eql.caltech.edu) + + * c-lex.c (yylex, case '0'..'9','.'): For cases '0' and '1', + check for single digit constant before resorting to general + number processing. + +Sun Feb 18 19:29:44 1996 J.T. Conklin <jtc@netbsd.org> + + * m68k.h (TARGET_68060): New macro. + (TARGET_SWITCHES): Add -m68060. + * m68k.md (const_umulsi3_highpart): Disable for TARGET_M68060. + (ftruncdf2, ftruncsf2, muldf3, mulsidi3): Likewise. + (smulsi3_highpart, umulsi3_highpart, umulsidi3): Likewise. + + * {m68k,ns32k,sparc}/netbsd.h (DBX_NO_XREFS): Removed. + +Sun Feb 18 13:29:56 1996 Charles M. Hannum (mycroft@netbsd.org) + + * c-common.c (check_format_info): Warn about `L' if -pedantic. + +Fri Feb 16 20:13:23 1996 Paul Eggert <eggert@twinsun.com> + + * c-typeck.c (convert_for_assignment): + Bring back conversion to union without a cast, + undoing the Jan 16 change, but with the following differences: + - The union must have the transparent_union attribute. + - The conversion must be for a function argument. + - Warn consistently about such conversions if pedantic. + - Do not warn about an assignment incompatibility for one union member + if another union member is compatible with no warning. + +Fri Feb 16 12:06:21 1996 Stan Cox <coxs@spiff.gnu.ai.mit.edu> + + * i386.c (ix86_*_binary_operator*): Allow CONST_INT as operand1 + of MINUS. + * i386/dgux.h (OPTIMIZATION_OPTIONS): Call optimization_options. + +Fri Feb 16 08:39:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure: Change stdout report when have multiple files in + tm_file, host_xm_file, or build_xm_file. + (a29k-*-bsd): Use both a29k.h and unix.h. + (a29k-*-udi): Rename a29k-udi.h to udi.h; + use a29k.h, dbxcoff.h, and it. + (a29k-*-vxworks): Use a29k.h, dbxcoff.h, a29k/udi.h, and a29k/vx29k.h. + (alpha-dec-osf[23456789]*): Use alpha.h, not osf2.h. + (alpha-dec-osf1.2): Use alpha.h and alpha/osf12.h. + (alpha-*-osf*): Add explicit assignment of tm_file. + * a29k/udi.h: Renamed from a29k-udi.h. + Don't include a29k.h or dbxcoff.h. + * a29k/unix.h: Don't include a29k.h. + * a29k/vx29k.h: Don't include a29k-udi.h. + * alpha.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Use unsigned int. + * alpha/osf2.h: Deleted. + * alpha/osf12.h: Don't include alpha.h. + (WCHAR_TYPE, WCHAR_TYPE_SIZE): Use short unsigned int. + * alpha/win-nt.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Use short unsigned int. + +Thu Feb 15 18:26:04 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/ntstack.asm (__allocate_stack): Round up length to 16 + byte boundary. + + * rs6000.md (allocate_stack): On Windows NT, call set_sp to + indicate to CSE stack pointer changes with call to __allocate_stack. + (set_sp): New pattern. + +Thu Feb 15 16:49:15 1996 Jim Wilson <wilson@cygnus.com> + + * integrate.c (save_for_inline_copying): Allocate reg_map with size + based on regno_pointer_flag_length instead of max_reg+1. + +Thu Feb 15 07:48:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fixincludes (rpc/types.h): Remove spurious "ls" command. + + * reload1.c (eliminate_regs, case USE): If using a register that + is source of elimination, show can't be eliminated. + + * expr.c (expand_builtin, case BUILT_IN_SETJMP): Shows clobbers FP + and all caller-save registers. + Set current_function_has_nonlocal_goto. + +Wed Feb 14 13:51:55 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (fix_truncdfsi2): Use SUBREG not operand_subword. + (movdi): Test HOST_BITS_PER_WIDE_INT at build time. + * collect2.c (scan_libraries): Append '/' to import path if missing. + +Wed Feb 14 09:01:55 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (movdi): Use HOST_WIDE_INT, not long long. + +Tue Feb 13 19:36:21 1996 Per Bothner <bothner@cygnus.com> + + * expr.c (store_constructor): Fix flow control thinko (merge error). + * expr.c (store_constructor): Pass correct value to recursive call. + +Wed Jan 31 11:34:45 1996 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_expr, case TARGET_EXPR): We must always store + into the allocated slot for TAREGT_EXPRs. + +Tue Feb 13 18:27:05 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * configure (powerpc-ibm-aix3): Look for 3.2.x, not 3.2x. + + * fixincludes (memory.h): Fix it also on sysV68. + +Tue Feb 13 17:59:03 1996 Lee Iverson <leei@Canada.AI.SRI.COM> + + * gcc.c (DEFAULT_SWITCH_TAKES_ARG): New macro, from SWITCH_TAKES_ARG. + (SWITCH_TAKES_ARG): Use it. + * i386/{osfrose,sol2}.h (SWITCH_TAKES_ARG): Likewise. + * mips/{gnu,mips}.h (SWITCH_TAKES_ARG): Likewise. + * sparc/sol2.h (SWITCH_TAKES_ARG): Likewise. + * config/svr4.h (SWITCH_TAKES_ARG): Likewise. + +Tue Feb 13 17:43:46 1996 Jim Wilson <wilson@cygnus.com> + + * integrate.c (save_constants_in_decl_trees): New function. + (save_for_inline_copying, save_for_inline_nocopy): Call it. + +Tue Feb 13 17:40:27 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (convert_move): Fix typo in extendqfh2 case. + + * reload1.c (reload): Make some non-group code no longer + conditional on SMALL_REGISTER_CLASSES. + +Tue Feb 13 17:30:45 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * pdp11.c: #include flags.h + (output_function_prologue, function_epilogue): Remove declarations + of call_used_regs and frame_pointer_needed. + + * c-common.c (overflow_warning): Fix typo in warning message. + + * c-decl.c (finish_decl): TREE_ASM_WRITTEN says if duplicate_decls + modified declaration to match an outside file scope declaration. + + * stmt.c (expand_end_case): Don't use ADDR_DIFF_VEC for PIC if + ASM_OUTPUT_ADDR_DIFF_ELT is not defined. + * a29k.h, romp.h (ASM_OUTPUT_ADDR_DIFF_ELT): Remove. + +Tue Feb 13 13:36:36 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/cygwin32.h (CPP_PREDEFINES): Do not define PPC, just + define __PPC__. Also define _ARCH_PPC to be compatible with the + other rs6000/powerpc ports. + * rs6000/win-nt.h (CPP_PREDEFINES): Ditto. + + * rs6000/cygwin32.h (LIBGCC_SPEC): Don't define, always link in. + (SDB_DEBUGGING_INFO): Undef. + (DBX_DEBUGGING_INFO): Define. + (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG. + + * rs6000/t-{cygwin32,winnt} (MULTILIB*): Remove multilib support. + + * rs6000/x-cygwin32 (LANGUAGES): Delete, don't override. + + * rs6000/ntstack.asm: New file to provide __allocate_stack, which + guarantees all pages in a dynamically allocated stack frame are + touched in order, so that the stack is properly grown. + + * rs6000/cgywin32.asm: Delete unused file. + + * rs6000/t-{cygwin32,winnt} (LIB2FUNCS_EXTRA): Add ntstack.S + to libgcc2 build. + + * rs6000.md (allocate_stack): For NT, call __allocate_stack to + bump the stack if the size is large or variable. + + * libgcc1-test.c (mainCRTStartup,__start): New startup functions + to silence more linkers. + +Tue Feb 13 13:30:53 1996 Jim Wilson <wilson@cygnus.com> + + * expr.c (store_constructor_field): Only call change_address if + bitpos is nonzero. + +Tue Feb 13 08:21:01 1996 Fila Kolodny <fila@ibi.com> + + * i370/mvs.h (CPP_SPEC): Add '-trigraphs' because IBM's h files + contain them. + +Tue Feb 13 08:17:52 1996 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * c-typeck.c (quality_type prototype): Typo, rename as + qualify_type. + (build_binary_op): Fix precedence errors. + * combine.c (force_to_mode, num_sign_bit_copies, simplify_comparison): + Fix precedence errors. + * emit-rtl.c (gen_lowpart): Could return without a value. + * jump.c (jump_optimize): Fix potential infinite loop. + * reg-stack.c (record_reg_life_pat): Fix precedence error. + * reload1.c (emit_reload_insns): Fix precedence errors. + * stmt.c (bc_pushcase): Fix precedence error. + +Mon Feb 12 23:14:02 1996 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (rest_of_compilation): Also set RTX_INTEGRATED_P when + we aren't going to emit the inline just yet. + +Mon Feb 12 21:31:02 1996 Jim Wilson <wilson@cygnus.com> + + * rtl.h (INLINE_REGNO_POINTER_FLAG, INLINE_REGNO_POINTER_ALIGN): + Add one to array index. + +Mon Feb 12 20:55:39 1996 H.J. Lu (hjl@gnu.ai.mit.edu) + + * configure (i[345]86-*-linux*): Set tmake_file t-linux. + Add crtbeginS.o and crtendS.o to extra_parts. + * i386/linux.h (CC1, LIB_SPEC): Deleted. + * config/linux.h (STARTFILE_SPEC): Add crtbeginS.o if -shared. + (CC1_SPEC): New. + (LIB_SPEC): Remove %{mieee-fp:-lieee}; use -lc_p for -profile. + * config/t-linux: New file. + +Mon Feb 12 20:42:11 1996 Randy Smith <randys@camaro.osf.org> + + * i386/x-osfrose (XCFLAGS{,_NODEBUG}): Remove $(SHLIB). + (XCFLAGS): New variable. + (libdir, mandir, bindir): Delete. + * i386/t-osf: New file. + * i860/paragon.h (STARTFILE_SPEC): Make gcc find crt0.o, not loader. + (LIB_SPEC): Remove /usr/lib. + * Makefile.in (TCFLAGS): New variable. + (GCC_CFLAGS): Add $(TCFLAGS). + (LIBGCC2_CFLAGS): Add -D for __GCC_FLOAT_NOT_NEEDED. + (libgcc1-test): Remove -nostdlib. + (float.h-cross): Don't give error #ifdef __GCC_FLOAT_NOT_NEEDED. + * enquire.c: Define __GCC_FLOAT_NOT_NEEEDED. + * configure (i[3456]86-*-osfrose): Add t-osf as tmake_file. + +Mon Feb 12 18:43:54 1996 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * 1750a.c (add_1_to_mem): Corrected. + +Mon Feb 12 18:23:35 1996 Doug Evans <dje@cygnus.com> + + * configure (sparclet-*-aout*): New configuration. + +Mon Feb 12 14:43:50 1996 Per Bothner <bothner@cygnus.com> + + Changes to distinguish typedef from original type in debug output. + * tree.h (DECL_ORIGINAL_TYPE): New macro. + * tree.c (copy_node): Zero out type.symtab union. + * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE for typedef origin. + * dbxout,c (dbxout_type): Don't canonicalize typedef type to base. + +Mon Feb 12 12:01:16 1996 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.h: (CPP_SPEC): Define __ARMEB__, __ARMEL__, and + __ARMWEL__ depending on the endian flags passed to the compiler. + (ARM_FLAG_LITTLE_WORDS): Define. + (TARGET_SWITCHES): Add option -mwords-little-endian. + (TARGET_LITTLE_WORDS): Define. + (WORDS_BIG_ENDIAN): Select based on the endian switches. + (LIBGCC2_WORDS_BIG_ENDIAN): Define based on run-time endian + defines. + * arm.c (output_move_double): Cope with both word-endian + alternatives. Remove extraneous parameters from calls to + output_mov_immediate. + (arm_print_operand): New print code 'Q' for the least significant + register of a DImode operand. Make code 'R' always print the + most significant register, rather than the highest numbered. + * arm.md (all DImode output patterns): Use print code + 'Q' to access the least significant word. Make sure the + patterns are fully aware of the word endianness. + + * arm/semi.h (CPP_SPEC): Define __ARMEB__, __ARMEL__, and + __ARMWEL__ depending on the endian flags passed to the compiler. + (LINK_SPEC): Pass -EB to the linker if compiling for big-endian + mode. + (ASM_SPEC): Likewise for the assembler. + * arm/semiaof.h (CPP_SPEC): Define __ARMEB__, __ARMEL__, and + __ARMWEL__ depending on the endian flags passed to the compiler. + +Mon Feb 12 10:15:29 1996 Ian Lance Taylor <ian@cygnus.com> + + * configure: Permit tm_file and xm_file to be a list of header + file names, rather than just a single file. For many targets, + handle --with-stabs by adding dbx.h to tm_file, rather than using + a different tm_file. + * dbx.h: New file. + * alpha/gdb-osf2.h, alpha/gdb-osf12.h, alpha/gdb.h: Deleted. + * i386/sysv4gdb.h, mips/iris{5gdb,4gl,4gdb,3gdb}.h: Likewise. + * mips/dec-gosf1.h, mips/news{4,5}-gdb.h, mips/svr4-t-gdb.h: Likewise. + * mips/ultrix-gdb.h, mips/bsd-{4,5}-gdb.h: Likewise. + * mips/svr{4-5,4-4,3-5,3-4}-gdb.h, mips/mips-5-gdb.h: Likewise. + * mips/ecoff{,l}-gdb.h, mips/mips-4-gdb.h: Likewise. + +Mon Feb 12 07:22:20 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * integrate.c (save_for_inline_copying): Put virtual regs into + new regno_reg_rtx copy. + +Sun Feb 11 18:53:12 1996 Torbjorn Granlund <tege@noisy.tmg.se> + + * i386.md: Delete spurious integer subtract patterns. + Delete % from subtract operand constraints. + +Sun Feb 11 19:17:24 1996 Jeffrey A. Law <law@cygnus.com> + + * m68k.md (movqi): Call CC_STATUS_INIT when loading to/from + an address register via a data register. + +Sun Feb 11 08:44:49 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-common.c (check_format_info): Handle missing type in format + when terminated by a new `%'. + +Sat Feb 10 15:14:22 1996 J.T. Conklin <jtc@rtl.cygnus.com> + + * cross-make (STMP_FIXPROTO): Moved from here to build-make. + * build-make (STMP_FIXPROTO): Moved here from cross-make. + +Sat Feb 10 08:39:05 1996 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * 1750a.md (movstrqi): Corrected. + (zero_extendqihi2): Taken out, let GCC synthesize. + (movhi-1): Added insn to move HImode small constant to memory. + (movhf-1): Added insn to move HFmode zero to memory. + (movtqf-1): Added insn to move TQFmode zero to memory. + (numerous insns): Taken out B (Base Reg with Index) mode. + + * 1750a.c (movcnt_regno_adjust): Corrected. + (mov_memory_operand, zero_operand): Added. + (b_mode_operand): Corrected. + (simple_memory_operand, add_1_to_mem): Added. + (print_operand_address): Corrected case of 'Q' output modifier. + + * 1750a.h (REG_ALLOC_ORDER): Changed back to natural order. + (CONST_DOUBLE_OK_FOR_LETTER_P): Added letter 'G'. + (EXIT_IGNORE_STACK): Set to 0. + (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Use corresponding REGNO_OK. + (MOVE_MAX, MOVE_RATIO): Defined. + +Sat Feb 10 08:28:12 1996 Martin Anantharaman <martin@goofy.imech.uni-duisburg.de> + + * configure (m68k-*-psos*): New configuration. + * psos.h: New file. + * m68k/m68k-psos.h: New file. + +Sat Feb 10 08:07:52 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sched.c (flush_pending_lists): Add new arg, ONLY_WRITE. + (sched_analyze_{1,2,insn}): Add new arg to flush_pending_lists. + (sched_analyze): Always flush pending write list for call, even const. + + * integrate.c (save_for_inline_copying): Put reg_map in function's + maybepermanent obstack instead of using alloca; set regno_reg_rtx + to it; delete recently-added copying of this later. + +Sat Feb 10 00:49:58 1996 Doug Evans <dje@cygnus.com> + + * sched.c (add_dependence): Add test for next != CODE_LABEL. + +Fri Feb 9 16:10:04 1996 Stan Cox (coxs@dg-rtp.dg.com) + + * i386.md (fp, integer): Added function units for pentium. + (cmp*,mov*,add*,sub*,mul*,div*,extend*,trunc*,and*,ior*,xor*,neg*, + abs*,sqrt*,sin*,cos*,not*,ash*,lsh*,rot*,sub): Tightened constraints, + added attribute support, and made changes for new `binary' and + `unary' functions. + + * i386.c (processor_costs): New variable. + (optimization_options, ix86_expand_binary_operator, + ix86_binary_operator_ok, ix86_expand_unary_operator, + ix86_unary_operator_ok, is_mul, is_div, copy_all_rtx, rewrite_address, + last_to_set_cc, doesnt_st_condition_code, sets_condition_code, + str_immediate_operand, is_fp_insn, is_fp_dest, is_fp_store, + agi_dependent, reg_mentioned_in_mem): New functions. + + * i386.h (OPTIMIZATION_OPTIONS, ALIGN_DFmode, IS_STACK_MODE, + IX86_EXPAND_BINARY_OPERATOR): New macros. + (RTX_COSTS, REGISTER_MOVE_COST, ADJUST_BLOCKAGE) Changed for pentium. + +Fri Feb 9 14:47:27 1996 Doug Evans <dje@cygnus.com> + + * sparc.c (sp64_medium_pic_operand): New function. + (move_pic_label): Delete. + (legitimize_pic_address): Simplify using some named patterns. + (finalize_pic): Add preliminary sparc64 support. + (emit_move_sequence): Reorganize. + * sparc.md (pic_lo_sum_si,pic_sethi_si,get_pc_sp32,get_pc_sp64, + move_pic_label_si,move_label_di,sethi_di_sp64): Make named patterns. + (sethi_di_sp64_const,sethi_di_medium_pic): New anonymous patterns. + (move_pic_label_si,move_label_di): Optimize for near labels. + (tablejump): Use for TARGET_MEDANY. + (casesi): Delete. + +Fri Feb 9 13:48:45 1996 Jim Wilson <wilson@cygnus.com> + + * mips.md (probe+2, probe+4): New conditional move patterns. + (movsicc): Don't truncate comparison if it is DImode. + + * sh.h (CPP_SPEC): Add defines for -m1, -m2, and -m3. + +Fri Feb 9 09:11:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * toplev.c (rest_of_compilation): Set RTX_INTEGRATED_P in + INLINE_HEADER iff function is inlineable. + * calls.c (expand_call): Test RTX_INTEGRATED_P in DECL_SAVED_INSNS. + +Thu Feb 8 01:11:15 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.md (floatunssisf2 expander): Don't use "general_operand". + (floatunssidf2 expander): Likewise. + +Wed Feb 7 16:59:31 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/{sysv4,win-nt,netware,cygwin32}.h ({ASM,LINK}_SPEC): + Don't use %{V} for either linker or assembler. + +Tue Feb 6 17:22:29 1996 Per Bothner <bothner@cygnus.com> + + * dbxout.c (dbxout_range_type): Emit non-range INTEGER_TYPE + as a sub-range of itself (so gdb can tell the difference). + +Tue Feb 6 17:01:44 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (addsi3 and adddi3 split): Use cleaner computation + and portable HOST_WIDE_INT. + (iordi3 split): Use HOST_WIDE_INT. + (movdi): Add TARGET_64BIT support and generate 64 bit constants. + (movdi matcher, TARGET_POWERPC64): Add immediate constraint handled + by new define_split. + (allocate_stack): Use TARGET_32BIT. + (tablejump): Add TARGET_64BIT support using ... + (tablejumpsi): Rename original tablejump pattern. + (tablejumpdi): New pattern. + +Tue Feb 6 15:29:22 1996 Per Bothner <bothner@cygnus.com> + + * stor-layout.c (layout_type): Use same code to layout CHAR_TYPE + as for INTEGER_TYPE (instead of hard-wiring in QImode). + +Tue Feb 6 15:13:38 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.md (various patterns): Avoid using "general operand" in + define_insn patterns. + +Sun Feb 4 21:37:05 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi{,sim}.h (LINK_START_SPEC): Bump the default start address + for the simulator to 0x10000074 so that we don't waste a page in the + linked file. + +Fri Feb 2 19:44:10 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi-c{i,n}.asm (.sdata2, .sbss2): Put these in the + read-only section, not read-write. + + * libgcc2.c (__unwind_function, rs6000/powerpc): Use _ARCH_PPC + being defined to indicate to use PowerPC mnemonics. + + * config/rs6000/t-cygwin32 (MULTILIB*): Add software floating + point support. + +Thu Feb 1 09:10:02 1996 Steve Chamberlain <sac@slash.cygnus.com> + + * {i386,rs6000}/cygwin32.{asm,h}: New templates. + * {i386,rs6000}/{t,x}-cygwin32: Ditto. + * {i386,rs6000}/xm-cygwin32.h: Ditto. + * configure (powerpcle-*-cygwin32, i[3456]86-*-cygwin32): New. + +Fri Feb 2 17:42:40 1996 Paul Eggert <eggert@twinsun.com> + + * c-decl.c (finish_struct): + Fix typo in transparent union warning that led to core dump. + + * c-parse.in (stmt): Warn about `goto *expr;' if pedantic. + (label): Warn about `case expr ... expr:' if pedantic. + +Fri Feb 2 11:05:27 1996 Doug Evans <dje@cygnus.com> + + * h8300.h (TARGET_ALIGN_300): Renamed from TARGET_ALIGN_STRUCT_300. + (TARGET_SWITCHES): Rename -malign-struct-300 to -malign-300. + (BIGGEST_ALIGNMENT): Use TARGET_ALIGN_300. + +Fri Feb 2 08:25:49 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * flow.c (jmp_uses_reg_or_mem): Renamed from uses_reg_or_mem. + Don't look into condition of an IF_THEN_ELSE; also make faster. + (find_basic_blocks): Use new name. + +Fri Feb 2 06:49:56 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * reload.c (debug_reload): Fix typo for reload_noncombine. + +Thu Feb 1 21:49:02 1996 Jeffrey A. Law <law@cygnus.com> + + * pa-pro.h (TARGET_DEFAULT): Turn on TARGET_SOFT_FLOAT by + default for all pro targets. + * t-pro: Delete all multilib references. + +Thu Feb 1 17:50:02 1996 Doug Evans <dje@cygnus.com> + + * c-lex.c (check_newline): Return result of HANDLE_PRAGMA. + * h8300.h (HANDLE_PRAGMA): Pass result back to caller. + * i960/i960.h (HANDLE_PRAGMA): Likewise. + * sh.h (HANDLE_PRAGMA): Likewise. + * nextstep.h (HANDLE_PRAGMA): Likewise. + +Wed Jan 31 19:26:03 1996 Doug Evans <dje@cygnus.com> + + * m68k/m68k-none.h: Rewrite to use EXTRA_SPECS. + * m68k/vxm68k.h (CPP_SPEC): Delete. + (SUBTARGET_EXTRA_SPECS): Define. + +Wed Jan 31 15:10:59 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c (output_epilog): Fix PPC64 typos and use TARGET_32BIT. + (output_prolog): Same. + (rs6000_trampoline_template, rs6000_trampoline_size): Use TARGET_32BIT. + * rs6000.md (movdf TARGET_POWERPC64 matcher): Fix std typo. + (movdi TARGET_POWERPC64 matcher): Same. + +Wed Jan 31 09:46:11 1996 Richard Earnshaw (rearnshaw@armltd.co.uk) + + * regs.h (regno_pointer_align, REGNO_POINTER_ALIGN): Delete from here. + * rtl.h (regno_pointer_align, REGNO_POINTER_ALIGN): Put them here. + +Wed Jan 31 08:26:12 1996 Andreas Schwab (schwab@issan.informatik.uni-dortmund.de) + + * m68k/linux.h (STRICT_ALIGNMENT): Define to zero. + (LEGITIMATE_PIC_OPERAND_P): Match definition from m68kv4.h. + + * m68k.h (TRAMPOLINE_{TEMPLATE,SIZE}): Avoid need for helper function. + (INITIALIZE_TRAMPOLINE): Likewise. + (TRAMPOLINE_ALIGNMENT): Renamed from TRAMPOLINE_ALIGN. + * m68k/next.h (INITIALIZE_TRAMPOLINE): Adjusted accordingly. + + * m68kv4.h (STATIC_CHAIN_REGNUM): Redefine to use register a1. + (TRAMPOLINE_TEMPLATE): Likewise. + + * m68k/linux.h, m68kv4.h (LIBCALL_VALUE): Return XFmode value in fp0. + * m68k.c (init_68881_table): Use SFmode for the first six + constants and DFmode for the seventh. + + * m68k.md (movqi): Use moveq if possible. + +Wed Jan 31 08:18:15 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_builtin, case BUILT_IN_NEXT_ARG): Strip off + INDIRECT_REF when checking second arg. + + * calls.c (struct arg_data, expand_call): Test STRICT_ALIGN with #if. + +Wed Jan 31 07:47:56 1996 Tim Wright (timw@sequent.com) + + * configure (i[345]-sequent-sysv*): Change to sysv3*; add i686. + (i[3456]86-sequent-ptx4*, i[3456]86-sequent-sysv4*): New cases. + * fixinc.ptx (sys/mc_param.h): Remove embedded asm. + * fixinc.svr4 (__STDC__): Add one more case. + * i386/ptx4-i.h, ptx4.h: New files. + +Wed Jan 31 07:15:23 1996 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.h (MACHINE_STATE_{SAVE,RESTORE}): Allow MOTOROLA syntax. + + * m68k.md ({adddi,subdi}_sexthishl32): 'a' and 'd' versions merged + and fixed; do not generate 'add/sub a,m'. + + * gcc.c (warn_std_ptr): Initialize with 0 instead of NULL_PTR. + +Tue Jan 30 13:29:05 1996 Ian Lance Taylor <ian@cygnus.com> + + * dbxout.c: Don't include <string.h>. + Don't compare strchr result to NULL. + + * config/svr4.h (ASM_FINAL_SPEC): Use %|, not ${pipe:-}. + +Tue Jan 30 06:48:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (nonzero_bits, case REG): Ignore REG_POINTER_ALIGNMENT. + Restore old code for SP, but use it for all pointers to + defined locations in the frame. + +Mon Jan 29 11:25:28 1996 Ian Lance Taylor <ian@cygnus.com> + + * dbxout.c (dbxout_type_methods): Don't use #ifndef inside call to + strchr. + +Sun Jan 28 14:44:09 1996 Doug Evans <dje@cygnus.com> + + * config/dbxcoff.h (*): #undef first. + +Sat Jan 27 21:46:16 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c (rs6000_sync_trampoline): Add cmpdi to 64bit case. + (rs6000_initialize_trampoline): CSE of Pmode to pmode. + * rs6000.md (movdf): Handle move between FPR and 64 bit GPR. + (movdi matcher): Handle SPR move to itself and add "mr." combiner. + +Sat Jan 27 10:06:31 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Redefine, put small + data items in .sbss if -msdata. + (SWITCH_TAKES_ARG): Add 'B', 'b', and 'V'. + +Sat Jan 27 07:59:25 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.h (enum built_in_function): Add BUILT_IN_{SET,LONG}JMP. + * expr.c: Include hard-reg-set.h. + (arg_pointer_save_area): New declaration. + (expand_builtin, case BUILT_IN_{SET,LONG}JMP): New cases. + * Makefile.in (expr.o): Includes hard-reg-set.h. + * c-decl.c (init_decl_processing): Add definitions for + __builtin_setjmp and __builtin_longjmp. + * cccp.c (initialize_builtins): Add def of __HAVE_BUILTIN_SETJMP__. + + * expr.c (expand_expr, case COMPONENT_REF): Pass EXPAND_INITIALIZER + to recursive call. + +Fri Jan 26 17:24:07 1996 Doug Evans <dje@cygnus.com> + + * sparc.h (sparc_arch_type): Delete. + ({,TARGET_}MASK_DEPRECATED_V8_INSNS): Define. + (ARCH64_SWITCHES): Renamed from V9_SWITCHES. + * sparc.c (sparc_arch_type): Delete. + (sparc_init_modes): Likewise. + (output_move_quad): Don't use ldq/stq unless TARGET_HARD_QUAD. + * sparc/sp64-sol2.h (TARGET_DEFAULT): Add MASK_DEPRECATED_V8_INSNS. + (SUBTARGET_SWITCHES): Add -m{no-,}deprecated-v8-insns. + * sparc.md (arch attribute): Rewrite. + (isa): New attribute. + (32 bit multiply/divide patterns): Use if TARGET_DEPRECATED_V8_INSNS. + (32 bit divide patterns): V9 doesn't require delay after y reg write. + +Fri Jan 26 12:08:43 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (TARGET_32BIT): Define. + (BITS_PER_WORD, UNITS_PER_WORD): Invert so 32bit expected case. + (LONG_TYPE_SIZE, POINTER_BOUNDARY, PARM_BOUNDARY): Likewise. + (RS6000_REG_SAVE, RS6000_SAVE_AREA, RS6000_VARARGS_SIZE): Likewise. + (RETURN_ADDRESS_OFFSET, CASE_VECTOR_MODE, MOVE_MAX): Likewise. + (Pmode, FUNCTION_MODE): Likewise. + (LEGITIMATE_OFFSET_ADDRESS_P): Handle TARGET_64BIT. + (GO_IF_LEGITIMATE_ADDRESS, LEGITIMIZE_ADDRESS): Likewise. + (GO_IF_MODE_DEPENDENT_ADDRESS): Same. + +Fri Jan 26 10:37:52 1996 Stan Coxs <coxs@dg-rtp.dg.com> + + * m88k.md (umulsidi3): Added for the 88110 + +Fri Jan 26 09:35:42 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (STRIP_NAME_ENCODING): Deal with names that have + both @ and * prefix characters. + (ASM_OUTPUT_LABELREF): Ditto. + +Thu Jan 25 10:03:34 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (LEGITIMIZE_ADDRESS): Rewrite to use HOST_WIDE_INT, not + plain int. + (optimize,flag_expensive_optimizations): Provide declaration for + expander functions. + + * rs6000.md (movsi): Correct code in splitting an address into + load from the TOC, and add low/high integer parts. If expensive + optimizations, and reload hasn't started, use separate pseudo regs + for each step. + + * rs6000.c (small_data_operand): Don't use the function + eliminate_constant_term, unwind code directly. + (input_operand): SYMBOL_REF/CONST of small data operand is valid. + (print_{,address_}operand): Add @sda21(0) in appropriate cases for + small data. + %L, etc. so that if the item is in small memory, the appropriate + relocation is used. + (rs6000_select{,_rtx}_section): Don't put floating point constants + or small strings in .sdata2 since we can't tell from the pointer + whether it is in the small data area or not. + + * rs6000.h (EXTRA_CONSTRAINT): Add 'U' for small data references. + (LEGITIMATE_SMALL_DATA_P): Test explicitly for SYMBOL_REF or CONST + before calling small_data_operand. + + * rs6000.md (movsi): Handle the addresses of small data items. + + * rs6000/sysv4.h (g_switch_{value,set}): Add declarations. + (SDATA_DEFAULT_SIZE): Default to 8. + (SUBTARGET_OVERRIDE_OPTIONS): If -G was not set, set it to + SDATA_DEFAULT_SIZE. + (CC1_SPEC): Pass -G nn to the compilers. + (SWITCH_TAKES_ARG): Add -G nn support. + (LINK_SPEC): Pass -G nn to the linker. + +Thu Jan 25 09:16:34 1996 Doug Evans <dje@cygnus.com> + + * configure (sparc64-*-solaris2*): New target. + * sparc.h (SPARC_{V9,ARCH64}): Default value is 0. + (*): Replace SPARCV9 with SPARC_{V9,ARCH64}. + (MASK_CPUS): Define. + ({MASK,TARGET}_ENV32): Delete. + ({MASK,TARGET}_ARCH64,TARGET_ARCH32): Define. + (TARGET_SWITCHES): Reset cpu flags first for each variant. + (CONDITIONAL_REGISTER_USAGE): If 32 bit v9 system, unfix g1-g4, + fix g5, and make %f48-%f80 call used. + * sparc/sp64-aout.h (SPARC_{V9,ARCH64}): Define. + (TARGET_VERSION): Define. + (TARGET_DEFAULT): Add MASK_ARCH64, delete MASK_ENV32. + (JUMP_TABLES_IN_TEXT_SECTION): Define. + (READONLY_DATA_SECTION): Make text_section. + * sparc/sp64-elf.h (SPARC_{V9,ARCH64}): Define. + (TARGET_DEFAULT): Add MASK_ARCH64. + (ENDFILE_SPEC): No longer need to check for -nostartfiles. + (ASM_IDENTIFY_GCC): Define as empty. + * sparc/sp64-sol2.h: New file. + * sparc.c (*): Replace TARGET_V9 with TARGET_ARCH64. + (hard_32bit_mode_classes): Add v9 regs. + (gen_v9_scc): Handle 32 bit v9 case. Call v9_regcmp_p. + * sparc.md (*): Replace TARGET_V9 with TARGET_ARCH64 in places + requiring 64 bit environment. + (multf3_extend): Require TARGET_HARD_QUAD. + +Thu Jan 25 00:33:25 1996 Ian Lance Taylor <ian@cygnus.com> + + * dbxcoff.h (DBX_USE_BINCL): Define. + (DBX_CONTIN_LENGTH): Define if not defined. + +Wed Jan 24 18:00:12 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * alpha.c (alpha_write_verstamp): Only emit MS_STAMP and LS_STAMP, + not the extra numbers. + +Wed Jan 24 15:18:15 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (init_cumulative_args): Rewrite to use DEFAULT_ABI + runtime tests, instead of V.4 #ifdefs. + (function_arg{,_advance,_partial_nregs,_pass_by_reference}): Ditto. + (setup_incoming_varargs): Ditto. + (init_cumulative_args): Set call_cookie field to CALL_NORMAL or + CALL_NT_DLLIMPORT. + (function_arg): Add support for DLL imports. + (rs6000_valid_{decl,type}_attribute_p): New functions for NT + attributes cdecl, stdcall, dllimport, and dllexport. + (rs6000_comp_type_attributes): New attribute support. + (rs6000_set_default_type_attributes): Ditto. + (rs6000_dll_import_ref): Ditto. + + * rs6000.h (FP_ARG_{AIX,SYSV}_MAX_REG): Move here from sysv4.h. + * sysv4.h (FP_ARG_{AIX,SYSV}_MAX_REG): Move to rs6000.h. + + * rs6000.h (rs6000_call_cookie): New enum to describe the integer + that is the 2nd argument to call insns and 3rd argument to + call_value insns. Add support for NT DLL imports. + (rs6000_args): Add call_cookie field. + (VALID_MACHINE_{DECL,TYPE}_ATTRIBUTE): Define to call C functions. + ({COMP_TYPE,SET_DEFAULT_TYPE}_ATTRIBUTES): Ditto. + (rs6000_valid_{decl,type}_attribute_p): Add declarations. + (rs6000_comp_type_attributes): Ditto. + (rs6000_set_default_type_attributes): Ditto. + (rs6000_dll_import_ref): Ditto. + + * win-nt.h (ASM_DECLARE_FUNCTION_NAME): Add support for dllexport + attribute. + + * rs6000.md (call insns): Add support for NT dllimport functions, + and fix up NT indirect calls. Also correctly set the flag + rs6000_save_toc_p on NT indirect calls. + + * aix41.h (LINK_SPEC): Use new extra specs to avoid separate + versions for native and cross compilation. + * rs6000.h (LINK_SPEC): Ditto. + * sysv4.h (LINK_SPEC): Ditto. + + * rs6000.h (EXTRA_SPECS): Add link_syscalls, link_libg, link_path, + link_specs, and also allow target to define more with the macro + SUBTARGET_EXTRA_SPECS. + (LINK_{LIBG,SYSCALLS}_SPEC): Define as fixed pathnames if native + compilation, and currently nothing if cross compiling. + (LINK_START_SPEC): If not defined, define as empty. + * eabi{,sim}.h (LINK_START_SPEC): Add default -Ttext for + simulator. + + * eabi{aix,le}.h (MULTILIB_DEFAULTS): Add -mno-sdata default. + * sysv4{,le}.h (MULTILIB_DEFAULTS): Ditto. + + * rs6000.c (small_data_operand): New function to return true if + the operand lives in small data under eabi. + (rs6000_select{,_rtx}_section): New functions to determine whether + to put global and static items in the V.4/eabi small data areas if + -msdata. + + * rs6000.h (LEGITIMATE_SMALL_DATA_P): Call small_data_operand it + if V.4. + (GO_IF_LEGITIMATE_ADDRESS): If LEGITIMATE_SMALL_DATA_P, the item + is a valid address. + (ASM_OUTPUT_LABELREF): Use fputs, not fprintf. + (small_data_operand): Declare function. + + * sysv4.h (TARGET_SWITCHES): New switch -msdata to use V.4 and + eabi defined small data sections. + (SUBTARGET_OVERRIDE_OPTIONS): Don't allow -msdata and + -mrelocatable or -mcall-aix options. + (EXTRA_SECTION{S,_FUNCTIONS}): Add .sdata, .sdata2, and .sbss + sections. + (SELECT{,_RTX}_SECTION): Call (rs6000_select{,_rtx}_section). + (ASM_SPEC): The -msdata switch passes -memb to the assembler. + (ENCODE_SECTION_INFO): Prepend a '@' to the name, if the item + lives in a small data region. + (STRIP_NAME_ENCODING): Strip '@' in addition to '*'. + (ASM_OUTPUT_LABELREF): Strip a leading '@'. + + * t-{ppc,eabi}gas (MULTILIB*): Add support for libraries built + with/without -msdata. Drop support for -mcall-aixdesc libraries. + +Wed Jan 24 15:18:15 1996 Kim Knuttila <krk@cygnus.com> + + * rs6000/win-nt.h (LIB_SPEC): Change options to GNU ld style. + (From Jason Molenda) + +Wed Jan 24 14:32:48 1996 Jim Wilson <wilson@cygnus.com> + + * reload1.c (used_spill_regs): New variable. + (reload): Set it. + * reorg.c (find_dead_or_set_registers): New function. + (mark_target_live_regs): Delete loop looking forward from target + and instead call find_dead_or_set_registers. + (fix_reg_dead_note): New function. + (fill_slots_from_thread): Call it. + + * loop.c (scan_loop): Correct comment. + (strength_reduce): Correct comments. Don't set maybe_multiple when + pass branch to scan_start. Don't set not_every_iteration after + passing a CODE_LABEL, or after passing a branch out of the loop. + When outputting DEST_ADDR giv increments, put them next to the memory + address on machines with auto-increment addresses. + (record_biv): Set new field always_executed. + (record_giv): Set new fields always_executed and auto_inc_opt. + (maybe_eliminate_biv_1): Reject biv with auto_inc_opt optimization + in some cases. + * loop.h (struct induction): New fields always_executed and + auto_inc_opt. + + * c-typeck.c (pointer_int_sum): Use TYPE_PRECISION (sizetype) not + POINTER_SIZE to agree with expr.c. + +Tue Jan 23 15:17:30 1996 Doug Evans <dje@cygnus.com> + + * sparc/sol2.h (ASM_OUTPUT_ALIGNED_LOCAL): Delete, use svr4.h's. + +Tue Jan 23 03:28:01 1996 Paul Eggert <eggert@twinsun.com> + + * cexp.y: Use preprocessor arithmetic instead of C arithmetic + to avoid warnings on some compilers. + (HOST_WIDE_INT_MASK): Remove. + (MAX_CHAR_TYPE_MASK, MAX_WCHAR_TYPE_MASK): New macros. + (yylex): Use them. + +Mon Jan 22 18:39:21 1996 Per Bothner <bothner@cygnus.com> + + * cppexp.c (cpp_parse_expr): Set HAVE_VALUE flag for unary + minus, even if skip_evaluation is true. + +Mon Jan 22 16:53:48 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (BIGGEST_ALIGNMENT): Increase to 64 always. + (BIGGEST_FIELD_ALIGNMENT): Define. + (GO_IF_LEGITIMATE_ADDRESS): Merge PRE_INC and PRE_DEC cases. + (LEGITIMIZE_ADDRESS): Use Pmode not SImode. + (CASE_VECTOR_MODE): Depend on TARGET_64BIT. + (ASM_OUTPUT_COMMON): Delete. + (ASM_OUTPUT_ALIGNED_COMMON): Define. + * rs6000/sysv4.h (BIGGEST_FIELD_ALIGNMENT): Undefine. + * rs6000.md (adddi3, subdi3, negsi2): New PowerPC64 patterns. + (ashldi3, lshrdi3, ashrdi3, anddi3, iordi3, xordi3): Same. + (moddi3, cmpdi, tablejump matchers): Same. + (divdi3): Update PowerPC64 patterns. + * rs6000.c (rs6000_initialize_trampoline, case ABI_AIX): Use Pmode + not SImode. + +Sun Jan 21 23:33:24 1996 Ian Lance Taylor <ian@cygnus.com> + + * dbxout.c: Include <string.h> + +Fri Jan 19 17:17:00 1996 Per Bothner <bothner@kalessin.cygnus.com> + + * tree.h (CONSTRUCTOR_TARGET_CLEARED_P): Removed. + * expr.c (is_zeros_p, mostly_zeros_p): Handle SET_TYPE CONSTRUCTORs. + (store_constructor_field): New helper function. + (store_constructor): Take 'cleared' parameter. + (expand_expr): Fix store_constructor_call to pass 'cleared' of 0. + + * expr.c (store_constructor, SET_TYPE): Fix off-by-one-error. + Also, devide start byte by BITS_PER_UNIT before passing to memset. + (store_constructor): `continue' in wrong place. + + * expr.c (store_constructor): If storing into a range of array + elements, and the range is small, or the target it not memory, + unroll the loop (and use store_field, which handles REGs). + (store_constructor): Handle RANGE_EXPR in array index. + +Fri Jan 19 16:52:25 1996 Doug Evans <dje@charmed.cygnus.com> + + * svr4.h (SWITCH_TAKES_ARG): Add 'x'. + * sparc/sol2.h (SWITCH_TAKES_ARG): Likewise. + +Fri Jan 19 15:18:38 1996 Ian Lance Taylor <ian@cygnus.com> + + * dbxout.c (flag_minimal_debug): Initialize to 0 if both + NO_DOLLAR_IN_LABEL and NO_DOT_IN_LABEL are defined. + (dbxout_type_methods): If the mangled method name uses the special + C++ marker character, pass show_arg_types as 1 when calling + dbxout_type. + +Fri Jan 19 11:48:28 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi-ci.asm (_SDA_BASE_): Move the default definition + from the .got section to the .sdata section. Do not add 32768. + (_SDA2_BASE_): Provide a default definition. + + * rs6000/eabi-cn.asm (.got.blrl): Don't define this section any + more, linker now directly creates the blrl instruction at + _GLOBAL_OFFSET_TABLE_-4. + +Fri Jan 19 05:12:31 1996 Richard Earnshaw <rearnsha@armltd.co.uk> + + * arm/lib1funcs.asm (__divsi3, __modsi3, __udivsi3, __umodsi3): + Replace with smaller, faster versions. + +Thu Jan 18 17:41:46 1996 Jim Wilson <wilson@cygnus.com> + + * sh.c (ctype.h): Delete. + (regno_reg_class, reg_class_from_letter): Add SH3e support. + (prepare_scc_operands, broken_move, push, pop, push_regs): Likewise. + (calc_live_regs, sh_expand_prologue, sh_expand_epilogue): Likewsie. + (initial_elimination_offset, arith_reg_operand): Likewise. + (sh_builtin_saveregs, fp_zero_operand, fp_one_operand): New functions. + (sh_function_arg, sh_function_arg_partial_nregs): Delete. + * sh.h (CPP_SPEC, CONDITIONAL_REGISTER_USAGE): Add SH3E support. + (TARGET_SWITCHES, OVERRIDE_OPTIONS, FIRST_PSEUDO_REGISTER): Likewise. + (FIXED_REGISTERS, CALL_USED_REGISTERS, HARD_REGNO_MODE_OK): Likweise. + (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise. + (REG_ALLOC_ORDER, CONST_DOUBLE_OK_FOR_LETTER_P, NPARM_REGS): Likewise. + (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Likewise. + (FUNCTION_ARG_REGNO_P, CUMULATIVE_ARGS, ROUND_REG): Likewise. + (INIT_CUMULATIVE_ARGS, FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Likewise. + (FUNCTION_ARG_PARTIAL_NREGS, LEGITIMATE_CONSTANT_P): Likewise. + (MODE_DISP_OK_4, REGISTER_MOVE_COST, REGISTER_NAMES): Likewise. + (DBX_REGISTER_NUMBER, enum processor_type): Likewise. + (SH3E_BIT, TARGET_SH3E, FPUL_REG, FIRST_FP_REG, LAST_FP_REG): New. + (FIRST_FP_PARM_REG, FIRST_FP_RET_REG, BASE_RETURN_VALUE_REG): New. + (BASE_ARG_REG, enum sh_arg_class, struct sh_args): New. + (GET_SH_ARG_CLASS, PASS_IN_REG_P, sh_builtin_saveregs): New. + (EXPAND_BUILTIN_SAVEREGS, DOUBLE_TYPE_SIZE): New. + (TARGET_SWITCHES): Delete broken -m3l option. + * sh.md (cpu, movsi_i, movsf_i, blt, bge, sle, sge): Add SH3E support. + (push_e, pop_e, movsi_ie, movsf_ie, addsf3, subsf3): New patterns. + (mulsf3, macsf3, divsf3, floatsisf2, fix_truncsfsi2): New patterns. + (cmpgtsf_t, cmpqesf_t, cmpsf, negsf2, sqrtsf2, abssf2): New patterns. + (abssf2+9, abssf2+10): Add SH3e support to peepholes + (abssf2+11, abssf2+12): New peepholes for SH3e. + * t-sh (MULTILIB_OPTIONS): Add SH3E support. + (MULTILIB_DIRNAMES): Define to empty. + +Thu Jan 18 11:29:11 1996 Ian Lance Taylor <ian@cygnus.com> + + * cplus-dem.c (cplus_demangle_opname): Change type of opname + parameter to const char *. + (cplus_mangle_opname): Change return type and type of opname + parameter to const char *. Don't cast return value. + * demangle.h (cplus_demangle_opname): Update declaration. + (cplus_mangle_opname): Likewise. + +Thu Jan 18 10:07:33 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * gcc.c (extra_specs): If EXTRA_SPECS is defined, define + extra_specs array to hold the extra specs the machine description + defines. + (set_spec): If EXTRA_SPECS is defined, handle the extra + specifications. + (process_command, main, validate_all_switches): Likewise. + + * rs6000/{rs6000.h,powerpc.h,aix41.h} ({CPP,ASM}_SPEC): Use common + specs with EXTRA_SPECS, only modifying things in the target that + needs to be modified, rather than having tons of mostly duplicate + definitions. + * rs6000/{sysv4{,le}.h,}netware.h,lynx.h,} ({CPP,ASM}_SPEC): Ditto. + * rs6000/eabi{le,aix}.h,aix3newas.h}} ({CPP,ASM}_SPEC): Ditto. + +Wed Jan 17 19:38:24 1996 Paul Eggert <eggert@twinsun.com> + + * cexp.y (HOST_WIDE_INT_MASK): Renamed from LONG_MASK; + use HOST_WIDE_INT. + (HOST_WIDE_INT, HOST_BITS_PER_WIDE_INT): Put back. + (parse_c_expression, expression_value, parse_escape, left_shift, + right_shift, struct constant, exp, parse_number, yylex): + Replace `long' with `HOST_WIDE_INT'. + * cccp.c (PTR_INT_TYPE): Remove obsolete define to `long'. + (parse_escape, parse_c_expression, eval_if_expression, get_lintcmd, + do_line, do_if, do_elif): Replace `long' with `HOST_WIDE_INT'. + (trigraph_pcp): Don't assume a pointer difference fits in an int. + +Wed Jan 17 18:56:31 1996 Jim Wilson <wilson@cygnus.com> + + * expmed.c (extract_bit_field): For multi-word bitfield, clobber + target before storing to it. + +Wed Jan 17 14:19:34 1996 J.T. Conklin <jtc@slave.cygnus.com> + + * sparc/{t-sol2,t-sunos40,t-sunos41}: Define away LIBGCC1_TEST + so that cross compilers targeted at these systems will build. + +Wed Jan 17 09:51:58 1996 Doug Evans <dje@cygnus.com> + + * sparc.h (v9 INIT_CUMULATIVE_ARGS): Fix typos. + + * gcc.c (process_command): New local lang_n_files, and use + it in test of -c with -o. Move test of -save-temps. + Test for trailing NUL in -c. + + * i386/t-go32: New file. + * i386/xm-go32.h: New file. + * configure (i[345]86-*-go32*): Define xm_file and tmake_file. + +Wed Jan 17 07:47:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cccp.c (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Put back. + (pcfinclude): Use HOST_WIDE_INT for casting pointer to integer. + +Wed Jan 17 05:25:06 1996 Jeffrey A. Law <law@cygnus.com> + + * va-pa.h (__gnuc_va_list): Use a "void *". + +Tue Jan 16 18:45:23 1996 Per Bothner <bothner@cygnus.com> + + * cppexp.c (cpp_lex): Do cpp_pop_buffer after CPP_POP so retried + cpp_skip_hspace will actually work. + + * cppexp.c (SKIP_OPERAND): New macro. + (cpp_parse_expr): Suppress evaluation and diagnostics in + unevaluated subexpressions. + Corresponds to Eggert's Fri Jun 9 17:58:29 1995 change. + +Tue Jan 16 11:59:07 1996 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_expr, case COND_EXPR): Make sure cleanups live on + the function_obstack as they are used by the exception handling code. + (defer_cleanups_to): Ditto. + (TRUTH_ANDIF_EXPR): Ditto. + (TRUTH_ORIF_EXPR): Ditto. + +Tue Jan 16 13:57:13 1996 Jim Wilson <wilson@cygnus.com> + + * cccp.c (new_include_prefix): Ignore ENOTDIR error from stat. + +Tue Jan 16 12:18:56 1996 Doug Evans <dje@cygnus.com> + + * i386/t-sol2 (crt[1in].o): Add missing -c. + * sparc/t-sol2 (crt[1in].o,gcrt1.o): Likewise. + Source files are assembler. + + * gcc.c (do_spec_1, case 'W'): Rename local `index' to `cur_index' to + avoid warning on solaris. + +Tue Jan 16 11:42:09 1996 Ian Lance Taylor <ian@cygnus.com> + + * dbxcoff.h: New file for stabs in COFF support. + * a29k/a29k-udi.h: Use dbxcoff.h. + * h8300.h, i960/i960-coff.h, m68k/coff.h, m88k/m88k-coff.h: Likewise. + * sh.h, sparc/litecoff.h: Likewise. + +Tue Jan 16 08:21:45 1996 Hans-Peter Nilsson <Hans-Peter.Nilsson@axis.se> + + * optabs.c (expand_fix): Don't copy TARGET to TO if same. + + * expr.c (emit_move_insn_1): Don't emit clobber when moving + by parts and source equals destination. + +Tue Jan 16 08:08:29 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (extract_bit_field): Don't abort if not MEM_IN_STRUCT_P. + + * local-alloc.c (memref_referenced_p, case REG): Fix last change. + + * fold-const.c (const_binop): Strip NOPS from both args. + + * regclass.c (regclass): Remove useless cast. + +Tue Jan 16 07:06:03 1996 Paul Eggert <eggert@twinsun.com> + + * cexp.y: General code cleanup in the style of 1995-04-01 change. + Add prototypes for static functions. + Add parentheses suggested by `gcc -Wparentheses'. + Use `long' uniformly, instead of long, int, HOST_WIDE_INT mess. + (struct constant): Use `signedp' flag (with sign bit) instead of + `unsignedp' flag; it's a little more convenient. + + (HAVE_STDLIB_H, STDC_HEADERS, LONG_MASK, __attribute__, PROTO, + VA_START, PRINTF_ALIST, PRINTF_DCL, PRINTF_PROTO, PRINTF_PROTO_1, + vfprintf, SIGNED, UNSIGNED): New symbols. + <stdlib.h>: Include if HAVE_STDLIB_H. + <string.h>: New include. + (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Remove. + (yylex, yyerror, expression_value, parse_number, + initialize_random_junk): Now static. + + (overflow_sum_sign): Renamed from possible_sum_sign, with an + extra arg SIGNEDP. + (parse_number): Inline strcmp when checking for "0x". + (yylex): Keep track of mask needed when decoding wide characters. + (parse_escape): New arg RESULT_MASK; use it instead of + assuming char width. + (yylex, parse_escape, parse_c_expression): Store all host + integers as long, not int or HOST_WIDE_INT. + (left_shift): No need to do signed left shifts separately. + + These changes are for the test program (if TEST_EXP_READER): + (pedantic, traditional): Allocate storage. + (main): Set pedantic, traditional, yydebug depending on args. + (is_hor_space, warning, lookup): Change types and implementation + to match rest of program. + (pedwarn, check_assertion, xmalloc): New functions. + + * cccp.c (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Remove. + (parse_escape, parse_c_expression, eval_if_expression): + Change return type to `long'; all callers changed. + (pcfinclude): Use `int', not HOST_WIDE_INT; any integral type will do. + + * cccp.c (skip_quoted_string): If pedantic and not pedantic_errors, + skipped multiline strings elicit a warning, not an error. + (rescan): Minor code reorg to keep it parallel with skip_quoted_string. + + * fold-const.c (left_shift_overflows): Remove; unused. + + * c-typeck.c (convert_for_assignment): Don't automatically convert + from a union member to the union. + +Tue Jan 16 06:26:00 1996 Stefan Vogel (stefan@ssw.de) + + * config/svr4.h (ASM_OUTPUT_SECTION_NAME): Define section attributes + only when a section is defined the first time. + +Tue Jan 16 06:03:27 1996 Thomas Graichen <graichen@omega.physik.fu-berlin.de> + + * i386/freebsd.h (ASM_WEAKEN_LABEL): Deleted; not supported. + +Mon Jan 15 20:59:49 1996 J. Kean Johnston <hug@netcom.com> + + * Makefile.in (LIBGCC2_CLFAGS): Add -DIN_LIBGCC2. + (libgcc1.a): Add -DIN_LIBGCC1. + (stamp-crtS): Remove -fpic, use CRTSTUFF_CFLAGS_S. + * config/t-libc-ok: Add CRTSTUFF_CFLAGS_S. + + * configure (i[3456]86-*-sco3.2v5*): New case. + * i386/sco5.h, i386/t-sco5, i386/x-sco5, i386/xm-sco5.h: New files. + * ginclude/stdarg.h, ginclude/varags.h: Add test for SCO Open Server 5. + +Mon Jan 15 20:44:13 1996 J.T. Conklin <jtc@netbsd.org> + + * m68k/netbsd.h (ASM_SPEC): New macro. + +Mon Jan 15 17:01:16 1996 Doug Evans <dje@cygnus.com> + + * c-lex.c (check_newline): Pass character after `#pragma' to + HANDLE_PRAGMA. Don't call get_directive_line if at end of line. + * c-common.c (get_directive_line): Watch for EOF. + * h8300.h (HANDLE_PRAGMA): New argument `c'. + Must issue `return' now. + * i960.h (HANDLE_PRAGMA): Likewise. + * sh.h (HANDLE_PRAGMA): Likewise. + * nextstep.h (HANDLE_PRAGMA): Likewise. + * h8300.c (handle_pragma): New argument `ch'. + Simplify pragma processing. Delete support for `#pragma section'. + * i960.c (process_pragma): New argument `c'. Change result to + terminating character. + * nextstep.c (handle_pragma): Likewise. + * sh.c (handle_pragma): Likewise. Also simplified. + + * sched.c (reemit_notes): Add prototype. + (sched_analyze_2): Reorganize comments. Call prev_nonnote_insn. + (sched_analyze): Add abort call. + (schedule_block): Call prev_nonnote_insn. + Move call of reemit_notes to after SCHED_GROUP_P scheduling. + Set `head' to `last'. + +Mon Jan 15 16:12:25 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * configure (*-*-gnu*): Use tmake_file=t-gnu. + * config/t-gnu (CRTSTUFF_T_CFLAGS): New file. + * configure (*-*-gnu*): Remove crtbeginS.o and crtendS.o frmo + $extra_parts. Use xmake_file=x-linux. + +Mon Jan 15 15:30:49 1996 Gran Uddeborg <gvran@uddeborg.pp.se> + + * i386/svr3{,z}.ifile: Allocate address areas for the "stab" + and "stabstr" sections. + +Mon Jan 15 14:39:14 1996 Paul Eggert <eggert@twinsun.com> + + * c-decl.c (finish_incomplete_decl): Warn if completing an + array that wasn't declared extern. Simplify test for whether + completion is needed. + + * cccp.c (do_xifdef): Warn about `#ifdef 0' if not traditional; + formerly the warning was issued if not pedantic. + +Mon Jan 15 13:24:12 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md ({add,sub}di3): Make it work on little endian PowerPC + systems. + + * rs6000/eabi-c{i,n}.asm (.sbss2 section): Don't make .sbss2 a + .bss section just yet, because it confused the linker. + +Mon Jan 15 08:50:31 1996 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (pushdi): Allow "i" for operand 1. + (extendqidi2): Improve 68000 code generation. + (adddi_lshrdi_63): New pattern. + +Mon Jan 15 08:38:40 1996 H.J. Lu {hjl@gnu.ai.mit.edu) + + * configure (i[3456]86-*-linux*): Add extra_parts. + * i386/linux.h (LIB_SPEC): Remove %{mieee-fp:-lieee}. + Use -lc_p for -profile. + (CC1_SPEC): New macro. + * linux.h (STARTFILE_SPEC): Use crtbegin.o for both shared llibrary + and normal executable; use gcrt1.o for -profile. + (ENDFILE_SPEC): Use crtend.o for shared llibrary and normal executable. + * x-linux (INSTALL_ASSERT_H): Unset it. + * configure (i[3456]86-*-linux*oldld*): Set xmake_file to x-linux-aout. + (i[3456]86-*-linux*aout*): Likewise. + * x-linux-aout: New file, copied from config/x-linux. + +Mon Jan 15 07:41:05 1996 Dmitry K. Butskoy (buc@stu.spb.su) + + * varasm.c (in_data_section): New function. + +Mon Jan 15 07:37:13 1996 Andreas Schwab (schwab@issan.informatik.uni-dortmund.de) + + * c-typeck.c (build_c_cast): Don't warn about alignment when we + have an opaque type. + +Mon Jan 15 07:22:59 1996 Michel Delval (mfd@ccv.fr) + + * reload.c (find_equiv_reg): Apply single_set, not PATTERN, to WHERE. + +Mon Jan 15 07:02:21 1996 John F. Carr <jfc@mit.edu> + + * reorg.c (mark_referenced_resources, case TRAP_IF): Set volatil. + +Mon Jan 15 06:20:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c (process_commands): Remove inadvertant fallthrough. + + * function.c ({,round_}trampoline_address): TRAMPOLINE_ALIGNMENT is + in bits, not bytes. + + * objc/archive.c (objc_{write,read}_type, case _C_STRUCT_B): Fix typo. + + * expr.c (expand_expr, case COMPONENT_REF): Don't make recursive + call on object with EXPAND_SUM. + + * stmt.c (save_expr_regs): Delete declaration; unused. + +Sun Jan 14 21:44:26 1996 Michael Meissner <meissner@wogglebug.tiac.net> + + * rs6000/eabi-ci.asm (__EXCEPT_START__): Provide label for start + of g++ exception pointers. + + * rs6000/eabi-cn.asm (__EXCEPT_END__): Provide label for end of + g++ exception pointers. + + * rs6000/eabi.asm (__eabi): Relocate exception pointers unless + they are NULL. + + * va-ppc.h (va_arg): Long longs are always passed in odd registers. + + * rs6000.c (function_arg_boundary): On V.4, long longs are always + passed in odd registers. + + * rs6000.md ({add,sub}di3): Remove restriction for POWER only, + since all of the instructions used are common to both + architectures. + +Sun Jan 14 20:34:03 1996 Jeffrey A. Law <law@cygnus.com> + + * expr.c (expand_assignment): Fix alignment parm in emit_block_move. + +Sun Jan 14 19:00:25 1996 Jim Wilson <wilson@cygnus.com> + + * sched.c (schedule_block): Copy RTX_INTEGRATE_P bit when create + a new note. + + * integrate.c (save_for_inline_copying, case NOTE): Copy + RTX_INTEGRATED_P bit. + +Sun Jan 14 17:57:52 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stupid.c (stupid_find_reg): Don't try to allocate reg if live + over more than 5,000 insns. + +Sat Jan 13 23:09:07 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.h (STACK_BOUNDARY): Bring back down to 64bits. + + * pa.md (pre_ldwm): Fix bug exposed by recent changes. + Simplify. + (pre_stwm, post_ldwm, post_stwm): Likewise. + (HImode and QImode variants): Likewise. + * pa.c (hppa_expand_prologue): Corresponding changes. + (hppa_expand_epilogue): Likewise. + + * pa.c (hppa_legitimize_address): Generate more indexing + address modes. + +Fri Jan 12 19:03:21 1996 Doug Evans <dje@cygnus.com> + + * sparc/sol2.h (COMMON_ASM_OP): Delete, use sysv4.h's. + + * sched.c (schedule_block): Maintain a valid chain so + emit_note_before works. + +Fri Jan 12 13:20:01 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi{,-ci,-cn}.asm: Add support for V.4 .sbss/.sdata, and + eabi .sbss2/.sdata2 sections, loading up r13 and r2 respectively + if the sections were used, and we don't need to relocate the + pointers. + +Thu Jan 11 19:41:07 1996 Per Bothner <bothner@cygnus.edu> + + * sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use AGGREGATE_TYPE_P so + QUAL_UNION_TYPE and SET_TYPE are also passed by invisible reference. + * sparc.h (INIT_CUMULATIVE_ARGS for SPARCV9): Return types of + QUAL_UNION_TYPE and SET_TYPE also make invisible 1st argument. + +Thu Jan 11 18:33:50 1996 Doug Evans <dje@cygnus.com> + + * h8300.h (TARGET_ALIGN_STRUCT_300): New macro. + (TARGET_SWITCHES): Add -malign-struct-300. + (BIGGEST_FIELD_ALIGNMENT): Update. + +Thu Jan 11 12:07:44 1996 J.T. Conklin <jtc@cygnus.com> + + * h8300.h (CPP_PREDEFINES): Delete -D_DOUBLE_IS_32BITS. + +Thu Jan 11 11:09:33 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (mulsf3 !POWERPC): Use dmul attribute. + (divsf3 !POWERPC): Use ddiv attribute. + +Thu Jan 11 11:09:33 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi-ctors.c (__do_global_ctors): If global variable + __atexit is non-NULL, call it with __do_global_dtors address to + register the function to run destructors. + (__do_global_{c,d}tors): Guard against NULL pointers. + + * rs6000/eabi.asm (__eabi): If the __eabi function was already + called, do nothing. + +Thu Jan 11 11:29:09 1996 Doug Evans <dje@cygnus.com> + + * fixincludes: Wrap rpc/types.h in extern "C", for osf2.0. + +Wed Jan 10 13:16:03 1996 Doug Evans <dje@cygnus.com> + + * varasm.c (variable_section): New function. + (assemble_variable): Call it. + +Wed Jan 10 11:27:28 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi-c{i,n}.asm (__DTOR_{LIST,END}__): Fix typo. + * rs6000/eabi{,sim}.h ({START,END}FILE_SPEC): Add %s to object + files. + + * rs6000/t-{eabi,eabigas,ppc,ppcgas} (MULTILIB_MATCHES): Drop + support for obsolete -mcpu=mpc403. + Add -mcpu=821 and -mcpu=860 to soft-float defaults. + + * rs6000/t-eabi{,gas} (LIBGCC): Add stmp-crt. + (INSTALL_LIBGCC): Add install-crt. + (EXTRA_PARTS): Delete. + (stmp-crt{,-sub}): New rules to build crti.o and crtn.o in a + multilib fashion. + (install-crt): Install the multilib crt values. + +Tue Jan 9 17:30:16 1996 Doug Evans <dje@cygnus.com> + + * c-tree.h (merge_attributes): Moved from here. + * tree.h (merge_attributes): To here. + * c-typeck.c (merge_attributes): Moved from here. + * tree.c (merge_attributes): To here. + +Mon Jan 8 18:27:38 1996 Arne H. Juul <arnej@pvv.unit.no> + + * mips/netbsd.h (LINK_SPEC): Change nostdlib to nostartfiles. + (LOCAL_LABEL_PREFIX): Delete. + (ASM_OUTPUT_SECTION_NAME): Define. + +Sun Jan 7 17:11:11 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * collect2.c (scan_libraries): Correct Import File ID interpretation. + +Sun Jan 7 16:56:56 1996 Michael Meissner <meissner@wombat.gnu.ai.mit.edu> + + * {svr4,mips/elf{,64}}.h (MAX_OFILE_ALIGNMENT): Define as 32768*8. + +Sat Jan 6 15:52:36 1996 Doug Evans <dje@cygnus.com> + + * a29k/vx29k.h (CPP_SPEC): Define. + + * configure: Recognize any --with/--without option. + + * Makefile.in (MAKEINFOFLAGS): New variable. + (cpp.info,gcc.info): Use it. + + * sparc/t-sol2 (crt1.o,crti.o,crtn.o,gcrt1.o): Use $(GCC_FOR_TARGET). + * i386/t-sol2 (crt1.o,crti.o,crtn.o): Likewise. + +Fri Jan 5 10:44:25 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/aix{3newas,41}.h ({ASM,CPP}_SPEC): Update for new + processors. + * rs6000/eabi{aix,le}.h ({ASM,CPP}_SPEC): Ditto. + * rs6000/{lynx,netware,powerpc,sysv4}.h ({ASM,CPP}_SPEC): Ditto. + + * rs6000.c (rs6000_override_options): Remove requirement that + -mcpu=common be big endian. + (rs6000_stack_info): If NAME__main is defined, mark this function + as doing a call, even if there are no arguments. + + * rs6000.md (SI*SI->DI splitters): Add reload_completed + condition. + (mulsidi3): If big endian, do move directly, rather than moving by + pieces. + + * rs6000/eabi{,sim}.h (STARTFILE_SPEC): Add crti.o before any + other objects. + (ENDFILE_SPEC): Add crtn.o after any objects. + * rs6000/t-eabi{,gas}: Build crt{i,n}.o from eabi-crt{i,n}.asm. + * rs6000/eabi-crt{i,n}.asm: New files to provide begin/end labels + for all special sections used by eabi as opposed to relying on GLD + to set all of these symbols. + * rs6000/eabi.asm (__eabi): Change to use the new labels provided + above. Don't assume that the .got2, .ctors, .dtors, and .fixup + sections are contiguous. + +Fri Jan 5 10:40:37 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (mulh_call): Remove r4 clobber. + (quoss_call): Remove cr0 and cr1 clobbers. + + * rs6000.md (function units): Add MPC505/821/860 support. + (SF multiply add combiner patterns): Use dmul attribute when limited + to DFmode POWER instructions. + * rs6000.c (processor_target_table): Add MPC505/821/860 support. + Remove MASK_POWER and add MASK_PPC_GFXOPT for PPC602. Always use + new mnemonics for common mode. + (rs6000_override_options): Don't set SOFT_FLOAT based upon + PROCESSOR_DEFAULT. + * rs6000.h (processor_type): Add PROCESSOR_MPCCORE. + (RTX_COSTS): Add PROCESSOR_MPCCORE cases. + (CPP_SPEC): Add new processor support. + +Fri Jan 5 00:32:49 1996 Doug Evans <dje@cygnus.com> + + * sparc.h (MACHINE_STATE_RESTORE): Add missing .align. + +Wed Jan 3 18:29:32 1996 Doug Evans <dje@cygnus.com> + + * arm/lib1funcs.asm (__USER_LABEL_PREFIX__): Define if not already. + (CONCAT1,CONCAT2,SYM): Define. + (__udivsi3,__divsi3,__umodsi3,__modsi3,__div0): Use SYM to define + global labels. + +Wed Jan 3 02:41:39 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Call text_section. + +Tue Jan 2 16:12:13 1996 Jim Wilson <wilson@cygnus.com> + + * sh.c (gen_shifty_op): Output a NOP for a shift by 0. + (find_barrier): New variables si_limit, hi_limit. Set them depending + on whether we are optimizing. Set found_hi if the destination is + HImode. + (machine_dependent_reorg): If not optimizing, then change scan to a + note instead of calling delete_insn. + * sh.h (OVERRIDE_OPTIONS): Don't set optimize or flag_delayed_branch. + + * dbxout.c (gstab.h): Include if cross compiling. + +Mon Jan 1 21:13:43 1996 Arkady Tunik <Arkady_Tunik@comverse.com> + + * configure (i[3456]-*-solaris2*): Support stabs. + * i386/sol2dbg.h: New file. + +Mon Jan 1 09:08:01 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c: Use DECL_C_BIT_FIELD, not DECL_BIT_FIELD in all tests. + + * global.c (reg_allocno): No longer static. + * reload1.c (reg_allocno): Declare. + (order_regs_for_reload): New arg, GLOBAL. + Bias against regs allocated in local-alloc. + (reload): Pass new parm to order_regs_for_reload. + + * local-alloc.c (reg_equiv_replacement): New variable. + (memref_referenced_p, case REG): Check for reg_equiv_replacement. + (update_equiv_regs): reg_equiv_replacement now file-scope. + + * c-decl.c (finish_struct): Warn if field with enumeral type is + narrower than values of that type. + + * combine.c (rtx_equal_for_field_assignment_p): New function. + (make_field_assignment): Use it. + Expand compound operations on both sides of an IOR. + Properly adjust constand in IOR when computing bit position. + +Sun Dec 31 18:47:22 1995 Doug Evans <dje@cygnus.com> + + * m68k-none.h (MULTILIB_DEFAULTS): Define. + +Sun Dec 31 15:47:20 1995 Jeffrey A. Law <law@cygnus.com> + + * hard-reg-set.h (losing_caller_save_reg_set): Declare. + * regclass.c (losing_caller_save_reg_set): Define. + (init_reg_sets_1): Initialize losing_caller_save_reg_set. + * global.c (find_reg): Avoid caller-saving registers in + losing_caller_save_reg_set. + * local-alloc.c (find_free_reg): Avoid caller-saving registers + in losing_caller_save_reg_set. + (CLASS_LIKELY_SPILLED_P): Delete definition. Moved into regs.h. + * regs.h (CLASS_LIKELY_SPILLED_P): Define if not already defined. + + * reorg.c (fill_simple_delay_slots): Try to fill from the + target of an unconditional branch if necessary. + + * pa.h (REG_ALLOC_ORDER): Allocate PA1.1 caller-saved FP regs + before PA1.0 caller-saved FP regs. + + * sched.c (adjust_priority): Use ADJUST_PRIORITY if its defined. + + * pa.h (ADJUST_PRIORITY): Define to keep lifetimes of registers + that will be allocated to %r1 shorter. + +Sun Dec 31 14:20:49 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rtl.h (assign_temp): Add extra arg. + * function.c (assign_temp): Add extra arg, DONT_PROMOTE. + Don't return (const_int 0) for VOIDmode. + * stmt.c (expand_asm_operands): Call assign_temp with extra arg. + * expr.c (save_nocopied_parts, expand_expr): Likewise. + (expand_expr, case SAVE_EXPR): Set TEMP to (const_int 0) + if MODE is VOIDmode. + (expand_expr): Don't use assign_temp for pseudos when might + want to be TMODE. + + * stmt.c (tail_recursion_args): Compare TYPE_MAIN_VARIANTs. + + * calls.c (expand_call): Don't warn about not being able to + inline if -O0. + * expr.c (clear_pending_stack_adjust): Don't do optimization if -O0. + * function.c (instantiate_decls): Check DECL_SAVED_INSNS to see + if obstack change is needed. + * toplev.c (rest_of_compilation): Leave DECL_INLINE set even if + won't inline. + + * tree.h: Add documentation on uses of common area flags. + (DECL_ERROR_ISSUED): New macro. + (DECL_NO_STATIC_CHAIN): New macro; currently unused. + * c-aux-info.c (gen_decl): DECL_REGISTER isn't defined + for FUNCTION_DECL. + * toplev.c (compile_file): Likewise. + * stmt.c (fixup_gotos): Use DECL_ERROR_ISSUED instead + of DECL_REGISTER. + * varasm.c ({bc_,}make_decl_rtl): Don't look at DECL_REGISTER + for functions. + +Sat Dec 30 07:57:11 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sdbout.c (plain_type_1, case ARRAY_TYPE): Subtract lower bound + when writing dimension. + +Fri Dec 29 18:23:58 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (eval_if_expression): End expression with '\n', not '\0' + so '\0' can be diagnosed properly. + * cexp.y (yylex, parse_c_expression, main): Likewise. + +Thu Dec 28 18:24:54 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * tree.h (TYPE_ARRAY_MAX_SIZE): New macro (used by Chill). + * function.c (assign_temp): New function. Can handle Chill-style + variable-sized array with static maximum size. + * rtl.h (assign_temp): New declaration. + * stmt.c (expand_asm_operands): Use new assign_temp function. + * expr.c (save_noncopied_parts, expand_expr): Likewise. + +Thu Dec 28 15:28:47 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * function.c (assign_parms): Fix thinko for struct value arg. + +Fri Dec 29 12:41:47 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (movdf): Reinstate 12/24 change accidently dropped in + undoing 12/27 changes. + +Thu Dec 28 22:24:53 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h: (reg_class): Undo 12/27 changes, except for formatting. + (REG_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise. + (REG_CLASS_FROM_LETTER): Likewie. + (PREDICATE_CODES): Delete predicate functions. + (gpc_reg{0,3,4,34}_operand): Delete declaration. + (cc_reg{0,1}_operand): Likewise. + * rs6000.c (gpc_reg{0,3,4}_operand): Delete. + (cc_reg{0,1}_operand): Likewise. + + * rs6000.md (common mode functions): Undo 12/27 changes,and add + appropriate clobbers for common mode calls. Keep define_splits for + powerpc SI*SI->DI. + +Thu Dec 28 11:08:11 1995 Mike Stump <mrs@cygnus.com> + + * sparc.h (RETURN_ADDR_OFFSET): Rename from NORMAL_RETURN_ADDR_OFFSET; + returns offset for the current function specifically. + +Thu Dec 28 07:07:14 1995 Paul Eggert <eggert@twinsun.com> + + * c-lex.c (yylex): Improve error message for bogus numbers. + Consolidate duplicated code. + + * cexp.y (parse_number): Improve error message for bogus numbers. + (yylex): Consider `0xe-1' to be a (bogus) number if not traditional. + + * cccp.c (do_include): In VMS, worry only about EACCES when open fails. + (new_include_prefix): Don't try to stat dir prefixes in VMS. + +Wed Dec 27 14:02:54 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * fix-header.c: Add EXIT_FAILURE and EXIT_SUCCESS to stdlib.h if + missing. Re-write how errno is added to be done similarly. + (XOPEN_SYMBOL, XOPEN_EXTENDED_SYMBOL): New macros, to mark XPG4 + functions. + (std_include_table): Add a number of functions (mostly XPG4). + +Tue Dec 26 23:18:34 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * sys-types.h: Add dummy definition for ssize_t. + * sys-protos.h (bcmp, bcopy, gethostname, lockf, read, readlink, + write): Fix prototypes to match Posix and XPG4. + (socket, strcasecmp, strncasecmp): New prototypes (from XPG4). + +Wed Dec 27 15:30:04 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * libgcc2.c (_bb_init_prg): Cast arg to bzero to (char *). + + * regs.h (reg_rtx_no, regno_pointer_{flag_length,align): New decls. + (REGNO_POINTER_ALIGN): New macro. + * emit-rtl.c (regno_pointer_align): New variable. + (gen_reg_rtx): Extend regno_pointer_align table. + Allocate tables in saveable obstack. + (mark_reg_pointer): New arg, ALIGN. + (gen_inline_header): New args for reg info. + (set_new_first_and_last_insn): Set cur_insn_uid. + ({save,restore}_emit_status): Save and restore regno_pointer_align. + (restore_reg_data{,_1}): Deleted. + (init_emit): Allocate register tables in saveable obstack. + Set REGNO_POINTER_ALIGN for regs pointing into frame. + * function.c (assign_parms): Set REGNO_POINTER_ALIGN for + parms that are pointers. + * function.h (struct function): New field regno_pointer_align. + * expr.c (expand_expr, case VAR_DECL): Set REGNO_POINTER_ALIGN + when copying address into memory. + (expand_expr, case COMPONENT_REF, case ADDR_EXPR): Set alignment + of register when result or result's address. + (expand_expr, case CONVERT_EXPR): Don't handle -fforce-mem here. + * combine.c (set_nonzero_bits_and_sign_copies): Handle reg even + if only set once and in one basic block. + (nonzero_bits, case REG): Use REGNO_POINTER_ALIGN instead of + explicit alignment of registers pointing into frame. + * stmt.c (expand_decl): Set alignment of register for pointer + variable. + * optabs.c (emit_unop_insn): Don't do -fforce-mem for SIGN_EXTEND. + * cse.c (find_best_addr): Make sure folded address better before using. + * rtl.h (INLINE_REGNO_{RTX,POINTER_FLAG,POINTER_ALIGN}): New macros. + (gen_inline_header): Add three new parms. + * rtl.def (INLINE_HEADER): Add three new fields. + * integrate.c: Include regs.h. + (initialize_for_inline): Pass additional args to gen_inline_header. + (save_for_inline_copying): Make new regno_reg_rtx, regno_pointer_flag, + and regno_pointer_align arrays. + (expand_inline_function): Set alignment of reg for parm if passed + by hidden pointer. + Set regno_pointer_{flag,align} into remap table. + (copy_rtx_and_substitute): Set alignment of pointers into + stack frame. + Copy pointer flag and alignment to regs that are copies of + pointer registers from the original regs. + (output_inline_function): Don't call restore_reg_data. + Restore reg_rtx_no, regno_{reg_rtx,pointer_flag,pointer_align}. + * integrate.h (struct inline_remap): New fields regno_pointer_flag + and regno_pointer_align. + * unroll.c (unroll_loop): Set regno_pointer_{flag,align} in + remap table. + * explow.c (memory_address, allocate_dynamic_stack_space): + Pass additional arg to mark_reg_pointer. + * Makefile.in (integrate.o): Includes regs.h. + + * alpha.c ({non,}aligned_memory_operand): Test REGNO_POINTER_ALIGN. + (reg_or_unaligned_mem_operand): New function. + (get_unaligned_address): Add new arg, EXTRA_OFFSET. + * alpha.h ({CONSTANT,DATA}_ALIGNMENT): Align to at least BITS_PER_WORD. + (PREDICATE_CODES): Add reg_or_unaligned_mem_operand. + * alpha.md (extend{qihi,qisi,hisi}2): Allow unaligned memory + as arg 1 and pass to extend_{q,h}idi2. + (unaligned_extend{q,h}idi): New patterns. + (extend{q,h}idi2): If unaligned memory, call above new patterns. + (ext{q,l,w}h recognizer): Update to proper RTL. + (ext define_split): Comment out for now; wrong and maybe useless. + (unaligned_{load,store}hi): Do similarly to QImode. + (movhi, reload_{in,out}hi): Call unaligned case differently. + +Wed Dec 27 11:38:20 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (mulsidi3{,_common}): Undo previous change using + register classes instead of fixed registers for SI*SI->DI common + mode multiplies. + + * rs6000.c (gpc_reg34_operand): Delete unused function. + * rs6000.h (gpc_reg34_operand): Likewise. + + * rs6000.c (gpc_reg{3,4}_operand): Reorganize code and don't allow + SUBREG's. + + * rs6000.c (rs6000_override_options): Do not allow -mcpu=common on + little endian PowerPC's. + (gpc_reg{0,3,4,34}_operand): New functions to match a specific + register. + (cc_reg{0,1}_operand): Likewise. + + * rs6000.h (reg_class): Add register classes for register 3 by + itself, register 4 by itself, registers 3&4, and CR1. + (REG_NAMES): Add support for new register classes. + (REG_CLASS_CONTENTS, REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise. + (PREDICATE_CODES): Add new predicate functions. + (gpc_reg{0,3,4,34}_operand): Add declaration. + (cc_reg{0,1}_operand): Likewise. + + * rs6000.md (common mode multiplication/division): Move/rename common + mode calls so they are closer to define_expands that call them. + Set attribute type to be jmpreg, rather than integer, so optimizer + knows branch processing unit is used; make SI*SI->DI multiplier use + register classes instead of hardwired registers. + Add appropriate clobbers of CR0/CR1 as mandated by PowerOpen spec. + (PowerPC SI*SI->DI multipliers): Add appropriate define_splits. + + * rs6000/t-{,x}newas (MULTILIB*): Don't build power2 or 601 + specific libraries. + +Tue Dec 26 21:52:18 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (fold_convert): When converting a NaN to + another type, change the type of the node before returning it. + +Mon Dec 25 17:12:10 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-typeck.c (mark_addressable): Fix error in last change. + +Sun Dec 24 22:19:49 1995 Jeffrey A. Law <law@cygnus.com> + + * pa.c (output_function_epilogue): Use assemble_integer rather + than calling ASM_OUTPUT_INT directly. + * pa.h (ASM_OUTPUT_INT): Use labels for everything in the + exception table section. + + * pa.c (print_operand): Don't call fprintf to output a register + name. Use fputs instead. + + * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Strip any name encoding + on the section name. + +Sun Dec 24 17:46:03 1995 Markus Theissinger <Markus.Theissinger@gmd.de> + + * toplev.c (main): Add -ax option. + * gcc.c (struct compilers): Likewise. + * final.c (end_final): Extended header increased to 11 words. + (profile_after_prologue): FUNCTION_BLOCK_PROFILER uses + count_basic_blocks instead of profile_label_no. + + * libgcc2.c (struct bb): Add flags field. + (HAVE_POPEN): Test new define. + (struct __bb, struct bb_{edge,func}): New structs. + (__bb_init_{prg,file},__bb_{init,exit}_trace_func,__bb_trace_ret, + (__bb_trace_func{,_ret},gopen,gclose): New functions. + + * sparc.h, i386.h, m68k.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): + Extension for -ax option (profile_block_flag == 2). + (MACHINE_STATE_SAVE,MACHINE_STATE_RESTORE): New macros. + (FUNCTION_BLOCK_PROFILER_EXIT): New macro. + * sparc.c (output_function_epilogue), i386.c (function_epilogue): + Use FUNCTION_BLOCK_PROFILER_EXIT. + * m68k.c (output_function_epilogue): Likewise. + * xm-sparc.h: Define HAVE_POPEN. + +Sun Dec 24 06:50:30 1995 Barrett Richardson (barrett@iglou.com) + + * floatlib.c (__divdf3): Rewrite to do software divide of two + doubles instead of using __divsf3. + +Sun Dec 24 06:38:15 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.md (movdf): Don't copy a word at a time; nearly always loses. + + * c-tree.h (DECL_C_BIT_FIELD): New macro. + * c-decl.c (finish_struct): Set it when set DECL_BIT_FIELD. + * c-typeck.c (mark_addressable, case COMPONENT_REF): + Give error if taking address of a bit field. + + * gcc.c (unused_prefix_warning): Include machine_suffix if + require_machine_suffix. + (warn_B, warn_std, warn_std_ptr): New variables. + (process_commands): Use them and NULL_PTR as WARN arg to add_prefix. + + * gcc.c (process_command): Give error for -c with -o and + multiple compilations. + (handle_braces): Rename variable "pipe" to "pipe_p". + + * expr.h (clrstr_optab): New declaration. + (clear_storage): New parm, ALIGN. + * tree.h (CONSTRUCTOR_TARGET_CLEARED_P): New macro. + * genopinit.c (optabs): Add "clrstr%a%". + * optabs.c (init_optabs): Initialize clrstr_optab. + * expr.c (struct clear_by_pieces): New structure. + (clear_by_pieces{,_1}, {is,mostly}_zeros_p): New functions. + (clrstr_optab): New optab. + (clear_storage): Rework to try to use clear_by_pieces, then + new clrstr insn, then library call. + (store_constructor): Track if target is already cleared. + Clear target first if CONSTRUCTOR is mostly zeros. + Don't write zeros if target has been cleared. + Add new arg to clear_storage call. + (expand_expr, case CONSTRUCTOR): Don't put static constructor + in memory if mostly zero. + * i386.md (clrstrsi): New pattern and associate anonymous pattern. + +Sat Dec 23 12:21:53 1995 Jeffrey A. Law <law@cygnus.com> + + * pa.c (output_move_double): Correctly identify and handle + overlapping moves. + * pa.md (movdi patterns): Eliminate earlyclobbers in mem<->gr cases. + (movdf patterns): Likewise. + +Fri Dec 22 17:29:42 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (store_constructor): Don't call change_address on REG. + (expand_expr, case CONSTRUCTOR): Likewise. + + * mips.c (expand_block_move): Preserve MEM flags in call to + movstrsi_internal. + + * pa.c (emit_move_sequence): Don't try to set REGNO_POINTER_FLAG + for a SUBREG. + + * reload.c (find_valid_class): New function. + (push_reload): Use it in cases where a SUBREG and its contents + both need to be reloaded. + + * toplev.c (rest_of_compilation): Never defer functions that + contain nested functions. + +Fri Dec 22 15:55:00 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (function units): Add 403 support which deleted + by accident on Nov 21st. Mark all compares from 602, 603, 604, + 620, 403, like was done for rios{1,2} and 601 as needing the bpu, + so that compares are hoisted far enough branches for zero cycle + branch support. + +Fri Dec 22 15:13:47 1995 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.h (TARGET_UNROLL_STRLEN): New macro. + * i386.c (output_strlen_unroll): New function. + * i386.md (strlensi): New pattern. + +Thu Dec 21 18:53:31 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * /gnu.h (GNU_CPP_PREDEFINES): Add missing space after -Amachine(CPU). + +Thu Dec 21 12:23:42 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure ({powerpc,rs6000}*): Change --enable-cpu to --with-cpu. + * rs6000.c (rs6000_select): Likewise. + + * rs6000/aix41.h (LINK_SPEC): Do not pass -bexport to the linker + if -g and -shared. + +Wed Dec 20 11:23:39 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure ({powerpc,rs6000}-ibm-aix*): Merge these two into the + same case statement. Aix 4 now generates -mcpu=common by default. + ({powerpc,rs6000}*): Add support for --enable-cpu=<value> to + select the default cpu to compile for. + + * rs6000/aix41.h (TARGET_DEFAULT): Make -mcpu=common default behavior. + (PROCESSOR_DEFAULT): Likewise. + (MULTILIB_DEFAULTS): Set mcpu=common. + + * rs6000.h (TARGET_CPU_DEFAULT): Define to be NULL if not defined. + (PROCESSOR_COMMON): Set this to PROCESSOR_601. + (PROCESSOR_POWERPC): Set this to PROCESSOR_604. + (TARGET_OPTIONS): Add -mtune= switch. + (rs6000_select): New structure to hold -mcpu=, -mtune= switches + and the result of configuring --enable-cpu=. + (OVERRIDE_OPTIONS): Pass TARGET_CPU_DEFAULT to + rs6000_override_options. + + * rs6000.c (rs6000_cpu_string): Delete global variable. + (rs6000_select): Define new global variable. + (rs6000_override_options): Take default_cpu argument, and provide + support for it and -mtune= in addition to -mcpu=. + + * rs6000/{aix{3newas,41},lynx,netware,powerpc}.h (ASM_SPEC): Add + support for -mcpu=power2. + * rs6000/{rs6000,sysv4}.h (ASM_SPEC): Likewise. + + * rs6000/{aix41,eabiaix,eabile,lynx,powerpc}.h (CPP_SPEC): Make + sure all -mcpu=xxx targets are supports. + * rs6000/{rs6000,sysv4,sysv4le}.h (CPP_SPEC): Likewise. + + * rs6000/t-x{newas,rs6000}: New files to be used when making a + cross compiler, to prevent libgcc1-test from being made. + + * rs6000/t-{x,}newas (MULTILIB_*): Build multlilib libraries for + power, power2, 601, powerpc, and common mode processors. + + * rs6000/aix41ppc.h: Delete, no longer used. + +Tue Dec 19 18:31:21 1995 Jim Wilson <wilson@cygnus.com> + + * mips.c (mips_reg_names, mips_sw_reg_names, mips_regno_to_class): + Add entry for new RAP reg. + * mips.h (FIRST_PSEUDO_REGISTER): Increment. + (FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES, + DEBUG_REGISTER_NAMES): Add entry for new RAP reg. + (RAP_REG_NUM, RETURN_ADDRESS_POINTER_REGNUM): New macros. + (RETURN_ADDR_RTX): Define. + (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): + Add RETURN_ADDRESS_POINTER_REGNUM support. + * emit-rtl.c (return_address_pointer_rtx): New global variable. + (gen_rtx, init_emit_once): Add support for it. + +Tue Dec 19 15:08:31 1995 Jason Merrill <jason@yorick.cygnus.com> + + * collect2.c: Remove auto_export functionality. + +Tue Dec 19 10:57:23 1995 Kim Knuttila <krk@cygnus.com> + + * ppc-asm.h: Do not compile the register macros under winnt. + +Mon Dec 18 19:31:23 1995 Adam Fedor <fedor@wilma.Colorado.EDU> + + * objc/encoding.c (objc_alignof_type): Handle _C_PTR case. + +Mon Dec 18 18:40:34 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * combine.c (simplify_rtx, case SUBREG): For SUBREG of a constant, + use <= instead of < when comparing mode sizes. + (force_to_mode, case NOT): Use full mask inside the NOT operation. + + * expr.c (emit_block_move): When call emit_libary_call for bcopy, + pass arguments using correct types and modes. + (emit_push_insn, expand_assignment): Likewise. + (clear_storage, store_expr): Likewise for memset and bzero. + (store_constructor): Likewise for memset. + * optabs.c (emit_cmp_insn): Likewise for memcmp and bcmp. + * convex.c (expand_movstr_call): Likewise for memcpy. + * m88k.c (expand_block_move): Likewise for memcpy and bcopy. + * mips.c (block_move_call): Likewise for memcpy and bcopy. + * mips.h (INITIALIZE_TRAMPOLINE): Likewise for cacheflush. + + * c-common.c (WCHAR_TYPE_SIZE): Add a default definition. + + * sdbout.c (sdbout_symbol, case FUNCTION_DECL): Use DECL_INITIAL + instead of DECL_EXTERNAL to identify declarations. + + * svr4.h (ASM_IDENTIFY_GCC): Don't output stab here. + (ASM_IDENTIFY_GCC_AFTER_SOURCE): Output stab here instead of above. + + * stmt.c (expand_asm_operands): Handle numeric constraints in + with the default case. + +Mon Dec 18 16:49:43 1995 John F. Carr <jfc@mit.edu> + + * expr.h (expand_mult_highpart_adjust): Declare. + +Mon Dec 18 16:39:41 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (store_constructor): Fix error in last change: just + copy MEM, but be sure to share address. + (expand_expr, case CONSTRUCTOR): Likewise. + +Mon Dec 18 16:22:46 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (ASM_GENERATE_INTERNAL_LABEL): Put leading '*' in label + string so as to not confuse dbxout.c. + +Mon Dec 18 09:44:56 1995 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__empty): An empty function used by the C++ frontend for + defaulting cleanup actions. + + * tree.c (save_tree_status, restore_tree_status): Save and restore + temporary_firstobj. + +Mon Dec 18 07:49:34 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (fixup_var_refs_1): Fix error in last change (when + mode of VAR is not the same as PROMOTED_MODE). + +Sun Dec 17 12:14:37 1995 Jeffrey A. Law <law@cygnus.com> + + * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Don't surround section names + with '$'; that confuses collect2. + (ASM_OUTPUT_SECTION_NAME): Likewise. + + * sched.c (canon_rtx): Recursively look for equivalences; + look for expressions equivalent to MEMs. + (true_dependence): Canonicalize inputs before operating + on their values. + (anti_dependence, output_dependence): Likewise. + + * jump.c (follow_jumps): Don't follow an unconditional jump + that is not a simple_jump. + + * pa.c (override_options): Make 7100 scheduling the default. + + * pa.md: Add 2nd reload peephole somehow omitted from Nov27 changes. + + * regclass.c (regclass): Use SECONDARY_RELOAD_CLASS if it's + defined to avoid useless work. + + * combine.c (find_split_point): Try to split SET_DEST + just like we do for SET_SRC. + +Sun Dec 17 11:37:25 1995 Torbjorn Granlund <tege@noisy.tmg.se> + + * expmed.c (expand_mult_highpart): When doing widening multiply, + put constant in a register. + (expand_mult_highpart): When mode is word_mode use gen_highpart + instead of right shift by size. + + * expr.c (expand_expr, case MULT_EXPR): Generalize code for widening + multiply to handle signed widening multiply when only unsigned optab + is defined, and vice versa. + +Sun Dec 17 07:35:50 1995 Pat Rankin <rankin@eql.caltech.edu> + + * vax/vms.h (WCHAR_TYPE_SIZE): Define. + +Sun Dec 17 07:08:34 1995 Ronald F. Guilmette <rfg@monkeys.com>. + + * fp-test.c: New file. + +Sun Dec 17 07:06:03 1995 Peter Flass <flass@lbdc.senate.state.ny.us> + + * i370.md (cmpqi): Fix generation of literal operand of CLM instruction + to avoid double literals (=X'=F'...). + +Sun Dec 17 06:57:02 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c: Try harder not to open or stat the same include file twice. + Simplify include file names so that they are more likely to match. + E.g. simplify "./a//b" to "a/b". Represent directories with simplified + prefixes, e.g. replace "./a//b" with "a/b/", and "." with "". + (absolute_filename): New function. + (do_include): Use it. + (read_name_map): Likewise; this makes things more consistent for DOS. + (main, do_include, open_include_file): -M output now contains + operands of -imacros and -include. + (skip_to_end_of_comment): When copying a // comment, don't try to + change it to a /* comment. + (rescan, skip_if_group, skip_to_end_of_comment, macarg1): Tune. + (rescan, skip_if_group, skip_to_end_of_comment, macarg1): + If warn_comments is nonzero, warn if backslash-newline appears + in a // comment. Simplify method for finding /* /* */ comment. + (skip_if_group): Optionally warn if /* /* */ appears between # and + a directive inside a skipped if group. + (macarg): Optionally warn if /* /* */ appears in a macro argument. + (strncat, VMS_strncat, vms_ino_t, ino_t): Remove. + (INCLUDE_LEN_FUDGE): Add 2 if VMS, for trailing ".h". + (INO_T_EQ, INO_T_HASH): New macros. + (struct file_buf): New member `inc'. + (expand_to_temp_buffer): Initialize it. + (struct file_name_list): New member `inc'. + (struct file_name_list): New member `st'. + c_system_include_path is now 1 if not 0. + fname is now an array, not a pointer. + (struct include_file): New members `next_ino', `deps_output', `st'. + Remove members `inode' and `dev'; they are now in `st'. + (INCLUDE_HASHSIZE): Rename from INCLUDE_HASH_SIZE. + (include_hashtab): Rename from include_hash_table. + (include_ino_hashtab): New variable. + (main): Store file status in struct stat, not in long and int pieces. + Use base_name to strip prefixes from file names. + When printing directory prefixes, omit trailing / and print "" as ".". + Fatal error if the input file is a directory. + (main, path_include): Regularize operands of -include, -imacros, + -isystem, -iwithprefix, and -iwithprefixbefore. + Regularize default include directories. + (do_include): + Allocate dsp with alloca, since fname is now dynamically allocated. + Use -3 to represent a never-opened file descriptor. + Make copy of file name, and simplify the copy. + Use base_name to identify the end of fname's directory. + Do not prepend dir for "..." if it matches the search list's first dir. + open_include_file now subsumes redundant_include_p and lookup_import. + Use bypass_slot to remember when to skip directories when including + a file that has already been seen. + Instead of using 0 to represent the working directory, and "" + to represent a directory to be ignored, use "" for the former, + and assume the latter has been removed before we get here. + Assume the directory prefixes have already been simplified. + Report as errors all open failures other than ENOENT. + Fatal error if fstat fails. + Use new deps_output member to avoid printing dependencies twice. + (bypass_hashtab): New variable. + (do_include, open_control_file, record_control_macro): New convention: + control_macro is "" if the file was imported or had #pragma once. + (pragma_once_marker): Remove. + (redundant_include_p, include_hash, lookup_include, lookup_import, + add_import, file_size_and_mode): Remove; subsumed by open_include_file. + (skip_redundant_dir_prefix): Remove; subsumed by simplify_filename. + (is_system_include, read_name_map, remap_include_file): + Assume arg is a directory prefix. + (base_name, simplify_filename, remap_include_file, + lookup_ino_include, new_include_prefix): New functions. + (open_include_file): New arguments `importing' and `pinc'. + Move filename mapping into new remap_include_file function. + First try to find file by name in include_hashtab; + if that doesn't work, open and fstat it and try to find it + by inode and dev in include_ino_hashtab. + (finclude): Get file status from inc->st instead of invoking fstat. + Store inc into fp->inc so that record_control_macro doesn't + need to do a table lookup. + (finclude, record_control_macro): Accept struct include_file * + instead of char * to identify include file. All callers changed. + (check_precompiled): Get file status from new argument `st'. + (do_pragma): Output at most one warning about #pragma implementation. + Always return 0 instead of returning garbage sometimes. + (do_pragma, hack_vms_include_specification): + Use base_name for consistency, and remove redundant code. + + From Per Bothner: + Unify the 3 separate mechanisms for avoiding processing + of redundant include files: #import, #pragma once, and + redundant_include_p to use a single more efficient data structure. + (struct file_name_list): Remove no-longer needed field control_macro. + (dont_repeat_files, all_include_files): Remove, no longer used. + (struct import_file): Renmed to struct include_file, moved earlier + in file, renamed field name to fname, and added control_macro field. + (pragma_once_marker): New constant. + (import_hash_table): Renamed to include_hash_table. + (import_hash): Renamed to include_hash. + (IMPORT_HASH_SIZE): Renamed to INCLUDE_HASH_SIZE. + (main, path_include): Don't clear removed control_macro field. + (lookup_include): New function - look up fname in include_hash_table. + (redundant_include_p): Re-write to use lookup_include. + (lookup_import, record_control_macro): Likewise. + (add_import): Defer fstat to caller. Combine two xmallocs into one. + (do_once): Use pragma_once_marker in include_hash_table. + (do_pragma): Re-implement to scan include_hash_table. + (do_include): Use new lookup_include and add_import. + +Sun Dec 17 06:45:43 1995 John F. Carr <jfc@mit.edu> + + * configure (savesrcdir): Do not create paths with trailing "/.". + + * combine.c (try_combine): When checking for two sets of the same + register in a split insn, also test for setting a ZERO_EXTRACT, + STRICT_LOW_PART, or SUBREG. + +Sun Dec 17 06:37:00 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (push_secondary_reload): Don't strip paradoxical SUBREG + if reload_class is CLASS_CANNOT_CHANGE_SIZE. + +Sat Dec 16 18:24:20 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_assignment): Fix alignment parm in emit_block_move. + +Sat Dec 16 18:16:08 1995 John Hassey (hassey@rtp.dg.com) + + * local-alloc.c (optimize_reg_copy_2): Don't attempt + optimization if destination register dies. + +Sat Dec 16 08:31:16 1995 Paul Eggert <eggert@twinsun.com> + + * fold-const.c (fold): Don't record overflow when negating + unsigned constants. + +Sat Dec 16 07:45:11 1995 Gran Uddeborg (uddeborg@carmen.se) + + * configure (i[3456]-*-isc, gas, stabs): Remove crt* from extra_files + +Sat Dec 16 07:03:33 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * stor-layout.c (layout_record): When PCC_BITFIELD_TYPE_MATTERS, + compute bitpos using field_size % type_align instead of field_size. + + * fixincludes (stdio.h): Fix return type of fread and fwrite + on sysV68. + +Sat Dec 16 06:57:14 1995 Thomas Lundqvist (d0thomas@dtek.chalmers.se) + + * function.c (fixup_var_refs_1): Fix two incorrect calls to single_set. + +Fri Dec 15 22:30:27 1995 Torbjorn Granlund <tege@noisy.tmg.se> + + * i386.h (REGISTER_MOVE_COST): Simplify. + +Fri Dec 15 22:30:27 1995 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.h (TARGET_CPU_DEFAULT*, PROCESSOR_*, + TARGET_{LEAVE,386_ALIGNMENT,PUSH_MEMORY,ZERO_EXTEND_WITH_AND, + DOUBLE_WITH_ADD,BIT_TEST}): New macros. + * i386.c (ix86_cpu*, ix86_isa*): New global variables. + (override_options): Add -mcpu and -misa support + * i386.md: Use TARGET* macros. + * i386/dgux.{c,h}: New files. + * m88k/t-dgux: (GCC_FOR_TARGET, T_CFLAGS): New macros. + * m88k/t-dguxbcs: New file. + * m88k/x-{dgux,dguxbcs}: (GCC_FOR_TARGET, X_CFLAGS): Removed. + +Fri Dec 15 18:41:50 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * fixincludes (sys/wait.h): Add forward declaration of struct rusage + on AIX 3.2.5. + +Fri Dec 15 18:39:36 1995 Marco S Hyman (marc@dumbcat.sf.ca.us) + + * xm-bsd386.h (DONT_DECLARE_SYS_SIGLIST): Defined. + +Fri Dec 15 18:36:42 1995 Gran Uddeborg (uddeborg@carmen.se) + + * i386/svr3dbx.h (DO_GLOBAL_DTORS_BODY): Delete; obsolete. + +Fri Dec 15 18:21:34 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * i386/i386iscgas.h, i386/t-iscscodbx: Deleted; long dead. + +Fri Dec 15 10:01:27 1995 Stan Cox <coxs@dg-rtp.dg.com> + + * configure (target_cpu_default) Set for 486/586/686 + (m88k-dg-dgux) Use t-dguxbcs instead of x-dguxbcs + (i*86*) Change [345] to [3456] + (i[3456]86-dg-dgux) Added + * Makefile.in (out_object_file) Add MAYBE_TARGET_DEFAULT + +Fri Dec 15 08:05:49 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (init_temp_slots): New function. + (init_function_start): Code moved to new function and called here. + * toplev.c (rest_of_compilation): Call init_temp_slots. + + * expmed.c (store_bit_field): Don't use insv for BLKmode value. + (store_split_bit_field): Set total_bits to BITS_PER_FOR for + BLKmode value. + +Fri Dec 15 06:35:36 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * xcoffout.h (DBX_STATIC_BLOCK_END): Use macro arguments. + (xcoff_begin_function_line, xcoff_current_function_file): Remove + unused extern declarations. + (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Use macro argument. + * xcoffout.c (xcoff_begin_function_line): Make static. + (xcoff_inlining): Likewise. + (xcoff_current_function_file): Likewise. + (xcoff_output_standard_types): Remove TARGET_64BIT dependencies from + int and unsigned int. + +Mon Oct 16 12:25:52 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * fix-header.c: Support different kinds of functions (ANSI and + Posix1). Enable ANSI proptotypes if __STRICT_ANSI__. + (namelist_end): Removed. + (std_include_table): Divide up functions into kinds. + (add_symbols): New function. + (read_scanfile, write_rbrac, main): Use new data structures. + +Thu Dec 14 19:17:12 1995 Torbjorn Granlund <tege@noisy.tmg.se> + + * rs6000.md (umulsidi3): New pattern. + +Thu Dec 14 18:08:59 1995 Torbjorn Granlund <tege@noisy.tmg.se> + + * expmed.c (expand_divmod, case TRUNC_DIV_EXPR): Only reject + larger-than-HOST_BITS_PER_WIDE_INT modes for general constants, + not for powers-of-2. + + * i960.md (andsi3): Match op2 with logic_operand, change constraints + accordingly. Output andnot for negative op2. + (iorsi3, xorsi3): Analogous changes. + * i960.c (logic_operand): New function. + (i960_print_operand): Handle code `C'. + * i960.h (PREDICATE_CODES): Add logic_operand. + (CONST_OK_FOR_LETTER_P): Handle `M'. + * i960.md: Move all plain logical patterns together. + * i960.h (SHIFT_COUNT_TRUNCATED): Define as 0 as appropriate. + + * clipper.md (untyped_call): New pattern. + + * m68k.md (ashrsi_31): New pattern. + +Thu Dec 14 17:22:14 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.c (output_move_double): Extract DFmode constants using + REAL_VALUE_TO_TARGET_DOUBLE. + +Thu Dec 14 15:05:13 1995 Doug Evans <dje@cygnus.com> + + * Makefile.in (distclean): Delete float.h. + * configure: Set CROSS_FLOAT_H from float_format. + * config/float-i64.h: New file. + * config/float-i32.h: New file. + * config/float-vax.h: New file. + * arm/cross-float.h: Delete. + * arm/t-semi (CROSS_FLOAT_H): Delete. + +Wed Dec 13 19:16:57 1995 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_expr, case ADDR_EXPR): Ensure op0 isn't QUEUED. + +Wed Dec 13 19:12:21 1995 Paul Eggert <eggert@twinsun.com> + + * gcc.c (my_strerror): Return "cannot access" if errno is 0. + (perror_with_name, pfatal_with_name, perror_exec): Don't assume that + the returned value from my_strerror contains no '%'s. + (sys_nerr): Declare only if HAVE_STRERROR is not defined. + +Wed Dec 13 19:05:47 1995 Alan Modra (alan@spri.levels.unisa.edu.au) + + * Makefile.in (c-parse.y, objc-parse.y): Add warning that file is + automatically generated. + +Wed Dec 13 15:40:30 1995 Mike Stump <mrs@cygnus.com> + + * function.c (identify_blocks): Start with chain of BLOCKs to match + rest of backend (dbxout.c), instead of just one BLOCK. + (reorder_blocks, all_blocks): Likewise. + + * stmt.c (find_loop_tree_blocks): Pass the toplevel list of + blocks, not just the first subblock. + +Wed Dec 13 16:11:18 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (expand_divmod): Don't use TARGET if it's the wrong mode. + +Wed Dec 13 15:02:39 1995 Ian Lance Taylor <ian@cygnus.com> + + * dbxout.c (struct typeinfo): Define. + (typevec): Change to be struct typeinfo *. Change other uses as + appropriate. + (struct dbx_file): Define if DBX_USE_BINCL. + (current_file): New static variable if DBX_USE_BINCL. + (next_file_number): Likewise. + (dbxout_init): If DBX_USE_BINCL, initialize new variables. + (dbxout_start_new_source_file): New function. + (dbxout_resume_previous_source_file): New function. + (dbxout_type_index): New function. + (dbxout_range_type): Use dbxout_type_index. + (dbxout_type): Likewise. If DBX_USE_BINCL, initialize new typevec + fields. + * c-lex.c (check_newline): If DBX_DEBUGGING_INFO and write_symbols + == DBX_DEBUG, call dbxout_start_new_source_file and + dbxout_resume_previous_source_file when appropriate. + * sparc/sunos4.h (DBX_USE_BINCL): Define. + * svr4.h (DBX_USE_BINCL): Define. + +Wed Dec 13 06:52:40 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/win-nt.h (ASM_OUTPUT_EXTERNAL): Do not emit .extern for + builtin functions. + +Tue Dec 12 15:37:48 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c: Replace many uses of fprintf with putc and fputs. + (output_function_profiler): Use more efficient mnemonics, target + dependent mnemonics, asm_fprintf, and reg_names array. + + * rs6000.h: Replace many uses of fprintf with putc and fputs. + + * rs6000.h (INT_TYPE_SIZE): Remove TARGET_64BIT dependency. + (MAX_INT_TYPE_SIZE): Delete. + +Tue Dec 12 13:58:57 1995 Doug Evans <dje@cygnus.com> + + * t-h8300 (MULTILIB_{OPTIONS,DIRNAMES}): Add -mint32 support. + +Sun Dec 10 18:51:21 1995 Torbjorn Granlund <tege@noisy.tmg.se> + + * rs6000.md (matcher for neg:SI (geu:SI ..)): Get ppc syntax right. + +Sun Dec 10 08:47:16 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (simplify_if_then_else): Convert "a == b ? b : a" to "a". + + * expr.c (expand_expr, case CONSTRUCTOR): If TREE_READONLY, + set RTX_UNCHANGING_P in TARGET. + (expand_expr, case COMPONENT_REF): If result is BLKmode, + use that to access object too. + +Sun Dec 10 01:06:57 1995 Jeffrey A. Law <law@cygnus.com> + + * pa.md (millicode delay slot description): Remove reference + to defunct TARGET_MILLICODE_LONG_CALLS. + +Sat Dec 9 18:05:03 1995 Jim Wilson <wilson@cygnus.com> + + * expr.c (expand_expr, case INDIRECT_REF): Correct typo in May 8 + change. + + * sh.h (ADDRESS_COST): Define. + * sh.md (subsi3): Rename to subsi3_internal. Add new define_expand + to handle subtracting a register from a constant. + +Fri Dec 8 19:17:30 1995 Mike Meissner <meissner@beauty.cygnus.com> + + * rs6000.c (input_operand): Allow any integer constant, not + just integers that fit in 1 instruction. + +Fri Dec 8 10:45:07 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm/lib1funcs.asm (RET, RETCOND): Define according to whether we + are compiling for 32 or 26 bit mode. + (all return instructions): Use RET or RETCOND as appropriate. + +Wed Dec 6 06:58:23 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.c (arm_gen_constant): New function. + (arm_split_constant): Split most of the functionality into + arm_gen_constant. Try to decide which way of handling the constant + is optimal for the target processor. + + * arm.c (arm_prgmode): New enum. + (target_{cpu,fpe}_name, arm_fast_multiply, arm_arch4): New variables. + (all_procs): New table describing processors and capabilities. + (arm_override_options): New function. + (arm_return_in_memory): New function. + (arm_rtx_costs): Adjust the multiply costs to cope with processors + with fast multiplication instructions. + (output_move_double): Use the ldm/stm variants more efficiently. + Delete cases that can no-longer occur. + (output_return_instruction, output_func_epilogue): Use TARGET_APCS_32, + not TARGET_6 for determining the type of return instruction to emit. + (final_prescan_insn case CALL_INSN): Use TARGET_APCS_32, not TARGET_6 + to determine condition preservation. + * arm.h (CPP_SPEC): Add defines for the cpu type, hard or soft floating + point, and the APCS PC size. + (TARGET_*): Restructure. + (ARM_FLAG_*): Many new definitions for different target options, not + all of which are supported yet. + (TARGET_SWITCHES): Use the ARM_FLAG_* definitions instead of explicit + numbers. + (prog_mode_type): New enum. + (floating_point_type): Split emulated floating point into FP_SOFT[23]. + (OVERRIDE_OPTIONS): Call arm_override_options. + (ARM_CPU_NAME): Default to NULL if not defined by a subtarget. + (BYTES_BIG_ENDIAN): Can now be set as a compilation option. + (RETURN_IN_MEMORY, DEFAULT_PCC_STRUCT_RETURN): New definitions. + (GO_IF_LEGITIMATE_OFFSET): Use different HImode offsets if compiling + for an architecture 4 target. The offsets for floating point + constants are the same as for integers if compiling TARGET_SOFT_FLOAT. + (GO_IF_LEGITIMATE_ADDRESS): Don't allow PRE_INC and POST_DEC if + the size is more than 4 bytes. Restrict the range offsets for DImode; + likewise for DFmode when TARGET_SOFT_FLOAT. + (LEGITIMIZE_ADDRESS): Use symbol_mentioned_p, not LEGITIMATE_CONSTANT_P + to determine if a constant address might be better in a register. + Handle DFmode addresses in the same way as DImode if TARGET_SOFT_FLOAT. + (LOAD_EXTEND_OP): If arm_arch4, then HImode also zero-extends. + * arm.md (attributes): Rearrange order, so that condition clobbering + can be automatically determined for call insns. + (attribute cpu): Add new cpu ARM7. + (attribute type): Add new type MULT. + (attribute prog_mode): New attribute. + (attribute conds): Clobbering of call insns can now be determined + using prog_mode attribute. + (function units "write_buf", "write_blockage"): Model the write buffer + as two function units, so that conflicts are avoided more often. + (funcion unit "core"): New function unit, so that elapsed cycles can + be more accurately determined. + (all anonymous patterns): Add names. + (mulsidi3, umulsidi3): New patterns available with fast multiply + variants. + (all call insns): The conds attribute is now determined automatically. + (zero_extendhisi): Expand for architecture 4 variants if appropriate. + (*zero_extendhisi_insn): New pattern. + (extendqi{hi,si}, extendhisi): Expand for architecture 4 variants if + appropriate. + (*extendhisi_insn, *extendqihi, *extendqisi): New patterns. + (storehi_single_op): New expand. + (movhi): Handle architecture 4 expansion. + (*movhi_insn_arch4): New pattern. + (*movhi_*): Adjust applicability conditions to handle architecture 4. + (reload_outdf): Handle pre/post inc/dec reloads. + (tablejump): Delete. + (matcher for optimized tablejump): delete. + (casesi): New expand. + (casesi_internal): New pattern. + * semi.h (EXIT_BODY): Delete. + (TARGET_DEFAULT): Set to ARM_FLAG_APCS_32. + (CPP_SPEC): Define. + arm/cross-float.h: New file, used when building a cross-compiler. + * t-semi: Don't define inhibit_libc when building libgcc2.a. + (CROSS_FLOAT_H): Define. + + * arm.c ({symbol,label}_mentioned_p): New functions. + (add_constant, dump_table, fixit, find_barrier, broken_move): New + support functions for handling constant spilling. + (arm_reorg): New constant spilling pass, for putting unhandlable + constants into the rtl where we can load them efficiently. + (output_load_symbol): Delete. + * arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): No need to handle floating + point constants any more, since arm_reorg will deal with them. + (LEGITIMATE_CONSTANT_P): Is now anything that doesn't contain a + LABEL. + (GO_IF_LEGITIMATE_ADDRESS): Recognize address expressions generated + by arm_reorg, but only after reload has completed. + (MACHINE_DEPENDENT_REORG): Define. + (ASM_OUTPUT_SPECIAL_POOL_ENTRY): There should be nothing left in + the pool, even if it might look like it. + * arm.md (*movsi_insn): Much simpified now that constants are handled + properly. + (movaddr): New expand. + (movsf, movdf): No need to force constants into the pool any more. + (*movdf_hard_insn): Much simplified. + (consttable_4, consttable_8, consttable_end, align_4): New patterns + for supporting embedded constants. + + * configure: New target arm-semi-aof. + * arm.c (strings_fpa): Use a form which is common to both GAS and + ARMASM. + (output_return_instruction, output_func_epilogue): Call + assemble_external_libcall, before trying to generate an abort call + in the assembler. + (arm_asm_output_label): Call ARM_OUTPUT_LABEL, rather than assuming + that labels are followed by a colon. + (aof_text_section, aof_add_import, aof_delete_import, + aof_dump_imports): New functions to support ARMASM assembler + generation. + * arm/aout.h: New file. + * arm/aof.h: New file. + * arm.h (most assembler-specific defines): Move to arm/aout.h. + (CONSTANT_ADDRESS_P): Can't directly access constant strings when + generating assembler for ARMASM. + (ENCODE_SECTION_INFO): Don't define if generating ARMASM assembler. + (ASM_OUTPUT_INTERNAL_LABEL): Generalize, so that it can be used + with all targeted assemblers. + (ASM_OUTPUT_LABEL): Call arm_asm_output_label. + * riscix.h: Include arm/aout.h, not arm/arm.h. + * riscix1-1.h: Likewise. + * semi.h: Likewise. + * arm/semiaof.h: New file. + * arm/t-semiaof: New file. + +Mon Dec 4 22:17:37 1995 Jason Merrill <jason@yorick.cygnus.com> + + * gcc.c (LIBGCC_SPEC): Do link with libgcc when -shared. + * alpha.h (LIBGCC_SPEC): Remove. + * linux.h (LIBGCC_SPEC): Remove. + * svr4.h (LIBGCC_SPEC): Remove. + * i386/t-crtpic (TARGET_LIBGCC2_CFLAGS): Use -fPIC. + * t-pa (TARGET_LIBGCC2_CFLAGS): Use -fPIC. + * sparc/t-sunos41 (TARGET_LIBGCC2_CFLAGS): Use -fPIC. + * sparc/t-sol2 (TARGET_LIBGCC2_CFLAGS): Use -fPIC. + * configure (i386-linux): Use i386/t-crtpic. + + * i386/xm-sco.h: #define NO_SYS_SIGLIST. + +Mon Dec 4 21:30:37 1995 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * sh.c (shiftcosts): For SH3, max cost of arithmetic right shift is 3. + (expand_ashiftrt): For SH3, if shift cost is more than 3, then + call gen_ashrsi3_d to use shad instruction. + +Mon Dec 4 18:29:08 1995 Jason Merrill <jason@yorick.cygnus.com> + + * c-decl.c (finish_struct): Don't mess with the type of bitfields. + +Mon Dec 4 15:28:02 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (store_constructor, record): If field is READONLY, + set RTX_UNCHANGING_P in TO_RTX. + +Mon Dec 4 12:59:33 1995 Ian Lance Taylor <ian@cygnus.com> + + * sparc/t-sol2 (CRTSTUFF_T_CFLAGS): Use -fPIC unconditionally. + +Sun Dec 3 20:55:43 1995 Jeffrey A. Law <law@cygnus.com> + + * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Handle arbitrary sections. + (ASM_OUTPUT_SECTION_NAME): Define. + +Sat Dec 2 22:19:16 1995 Jeffrey A. Law (law@cygnus.com) + + * pa.h: Replace many uses of fprintf with fputs. + * pa.c: Likewise. + * pa-pro.h: Likewise. + + * pa.h (SECONDARY_RELOAD_CLASS): Don't call secondary_reload_class + to handle trivial cases. + * pa.c (secondary_reload_class): Rework to be more efficient. + +Sat Dec 2 07:52:46 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (movsi): Don't split large constants in the + movsi pattern, let the define_split split it later as needed. + +Fri Dec 1 16:00:42 1995 Brendan Kehoe <brendan@cygnus.com> + + * sparc.c (output_double_int): Handle CODE_LABEL's if v9. + +Fri Dec 1 09:13:23 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * m68k.md (decrement_and_branch_until_zero): Split into a + define_expand and an anonymous define_insn. + * fx80.md (decrement_and_branch_until_zero): Ditto. + * m88k.md (decrement_and_branch_until_zero): Ditto. + +Thu Nov 30 15:02:16 1995 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * sh.c (noncall_uses_reg): New function. + (machine_dependent_reorg): Add support for TARGET_RELAX. + (final_prescan_insn): Likewise. + * sh.h (ASM_SPEC, LINK_SPEC): Pass on -mrelax. + (RELAX_BIT, TARGET_RELAX): New macros. + (TARGET_SWITCHES): Add -mrelax. + + * sh.c (insn-attr.h): Include. + (pragma_nosave_low_regs): New global variable. + (calc_live_regs): If SH3 and pragma_nosave_low_regs, then don't + save registers r0 through r7 for interrupt functions. + (function_epilogue): Clear pragma_nosave_low_regs. + (handle_pragma): Set pragma_nosave_low_regs if see pragma for it. + + * sh.h (FUNCTION_PROFILER): Use trap #33 instead of trap #5. + Put additional .align before trapa instruction. + +Thu Nov 30 14:45:13 1995 Doug Evans <dje@canuck.cygnus.com> + + * sparc.md (seqdi_special_trunc, snedi_special_trunc, + seqsi_special_extend, snesi_special_extend): Delete uses of SUBREG. + Make compare modes match modes of operands. + (snesi_zero_extend, snedi_zero_trunc_sp32, snedi_zero_trunc_sp64, + seqsi_zero_extend, seqdi_zero_trunc_sp32, seqdi_zero_trunc_sp64): + New patterns. + +Thu Nov 30 12:27:22 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * genmultilib: Take a 4th argument that says are the exceptions to + the multilibs, so illegal combinations can be eliminated. + + * Makefile.in (multilib.h): Pass $(MULILIB_EXCEPTIONS) as the 4th + argument to genmultilib. + + * configure (powerpc*): Remove little endian and eabiaix versions + of the t-* files. Accept powerpc{,le}-*-sysv in addition to + *-sysv4. + (powerpc{,le}-*-eabisim): Use standard t-eabigas instead of + t-eabisim. + (powerpcle-*-{winnt3,pe}): Add support for Windows NT on PowerPC. + * rs6000/t-{eabiaix,eabisim,eabilegas,ppclegas}: Delete. + + * rs6000/{t-winnt,win-nt.h}: New files for PowerPC Windows NT. + + * ginclude/ppc-asm.h: New file to provide common macros for the + various PowerPC calling sequences. + * rs6000/eabi.asm: Use ppc-asm.h. + + * rs6000/aix3newas.h (CPP_SPEC): Add support for -mcpu=603e, 602, + and 620. + * rs6000/{aix41,powerpc,rs6000,eabi{aix,le}}.h (CPP_SPEC): Ditto. + * rs6000/sysv4{,le}.h (CPP_SPEC): Ditto. + + * rs6000/aix3newas.h (LINK_SPEC): If cross compiling, don't use + absolute paths. + * rs6000/{aix41,aixppc,rs6000}.h (LINK_SPEC): Ditto. + + * rs6000/eabi.h (INVOKE__main): Don't define any more. + (ASM_OUTPUT_INT): Move to sysv4.h. + ({STARTFILE,LIB}_SPEC): If -msim or -mmvme add the appropriate + libraries. + + * rs6000/{eabiaix,eabile,sysv4{,le}}.h (CPP_SPEC): Add support for + -mcall-{aixdesc,nt} directives. + (MULTILIB_DEFAULTS): Define. + + * rs6000/eabi{,le}sim.h (TARGET_DEFAULT, CPP_SPEC): No longer + define, simulator supports floating point. + ({STARTFILE,LIB}_SPEC): If -mvme, use mvme libraries, not + simulator libraries. + + * rs6000/{mach,netware}.h (TARGET_AIX): Define as 0. + + * rs6000/netware.h (RS6000_OUTPUT_BASENAME): Don't redefine + anymore. + (STRIP_NAME_ENCODING): Undef. + + * rs6000.c (rs6000_save_toc_p, rs6000_abi): New globals. + (rs6000_override_options): Add 602, 603e, and 620 support. + (count_register_operand): New function to return true if operand + is the count register. + (easy_fp_constant): All constants are easy if -msoft-float. + (volatile_mem_operand): New function to return true if operand is + in volatile memory. + ({fp_,}reg_or_mem_operand): Call volatile_mem_operand. + (input_operand): Allow support for Windows NT loading SYMBOL_REFs + and LABEL_REFs from the TOC. + (function_arg_boundary): On Windows NT, any argument >= 8 bytes + must be double word aligned. + (function_arg{_advance,}): Call function_arg_boundary to determine + if we need to align to an odd register for large arguments. + Changes to accomidate new method of determining which ABI we're + adhering to. + (expand_block_move_mem): Copy RTX_UNCHANGING_P, and if + MEM_UNALIGNED_P is defined, copy that too. + (expand_block_move): Copy dest/src to registers using + copy_addr_to_reg. + (print_operand): Changes to accomidate Windows NT. + (first_reg_to_save): Ditto. + (rs6000_stack_info): Ditto. + (debug_stack_info): Ditto. + (output_{prolog,epilog,toc,function_profiler}): Ditto. + (rs6000_stack_info): Save main's arguments around __eabi call. + (svr4_traceback): Delete, current V.4 ABI no longer wants + tracebacks in this format. + (output_prolog): Call __eabi here, saving and restoring main's + args if needed. Save the toc pointer if needed. + (get_issue_rate): New function to return # of instructions a + machine can issue at once. + (rs6000_sync_trampoline): Emit instructions to synchronize the + PowerPC caches after a trampoline. + (rs6000_trampoline_{template,size}): New functions to provide + common trampoline support for all ABI's. + (rs6000_initialize_trampoline): Ditto. + + * rs6000.h (TARGET_{WINDOWS_NT,AIX,MACOS}): Define. + (processor_type): Add 602. + (PROCESSOR_COMMON): Assume current processor is a 604, not a 601. + (SUBTARGET_OPTIONS): Define if not defined. + (TARGET_OPTIONS): Include SUBTARGET_OPTIONS. + (COUNT_REGISTER_REGNUM): Define as 66. + (EXTRA_CONTRAINT): Add 'S' and 'T' for Windows NT. + (rs6000_abi): Add ABI_AIX_NODESC, ABI_NT. + (DEFAULT_ABI): Define if not defined. + (rs6000_stack): Add fields for Windows NT support. + (RS6000_SAVE_TOC): Add for Windows NT support. + (FUNCTION_ARG_BOUNDARY): Call function_arg_boundary. + (trampoline macros): Call trampoline functions in rs6000.c. + (RETURN_ADDRESS_OFFSET): Add Windows NT support. + (toc_section): Skip leading '*'. + (PREDICATE_CODES): Add volatile_mem_operand, + count_register_operand. + (MACHINE_issue_rate): Define. + (function decls): Add new function decls from rs6000.c. + + * rs6000.md (cpu attribute): Add 602. + (function units): Update to match reality better. + (calls through pointer): Rework to support Windows NT. + (movsi): Add Windows NT support. + (movstrsi): Remove match_operand predicates, since + expand_block_move does the checking. + (sync_isync): Delete. + (icbi, dcbst, sync, isync): New insns to generate named instruction + for making trampolines on eabi/V.4 properly flush the caches. + (decrement_and_branch_on_count): Rename from + decrement_and_branchsi. Add update of count in insn pattern. + + * rs6000/sysv4.h (TARGET_SWITCHES): Drop -mtraceback. Keep + -mno-traceback but don't do anything with it. Add + -mcalls-{nt,aixdesc}. Add -m{,no-}relocatable-lib. Add -msim, + -mmvme, and -memb. + (TARGET_TOC): Update for use with -mcalls-{nt,aixdesc}. + (SUBTARGET_OVERRIDE_OPTIONS): Update for new switches. + (RS6000_OUTPUT_BASENAME): Delete. + (toc_section): Add support for -mcall-{nt,aixdesc}. + (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Ditto. + (ASM_DECLARE_FUNCTION_NAME): Use STRIP_NAME_ENCODING instead of + RS6000_OUTPUT_BASENAME. For -mcall-{nt,aixdesc} emit the proper + function descriptor. + (ASM_SPEC): Pass appropriate -mxxx switches to the assembler based + on the -mcpu=xxx options. + (ASM_OUTPUT_INT): Move here from eabi.h. + (ENCODE_SECTION_INFO): If -mcall-{nt,aixdesc} add approriate magic + so function name has two or one leading periods. + (ASM_OUTPUT_SOURCE_LINE): Delete, use version in svr4.h. + (trampoline macros): Call trampoline functions in rs6000.c. + + * t-{eabi,ppc}{,gas} (EXTRA_HEADERS): Add ginclude/ppc-asm.h. + (LIB2FUNCS_EXTRA): Depend on eabi.S, not eabi.s. + (eabi.S): Rename from eabi.asm. + + * t-{eabi,ppc}gas (MULTILIB_*): Add -mcall-aixdesc libraries, but + don't build either little endian or -mrelocatable versions of + those libraries. + +Tue Nov 28 00:10:27 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (divsi3): Reorder so common mode does not negate + power-of-2 shift optimization. + +Wed Nov 29 22:06:11 1995 J.T. Conklin <jtc@rtl.cygnus.com> + + * configure (sparc-*-solaris2*): Add gcrt1.o to extra_parts. + * sparc/sol2.h (STARTFILE_SPEC): Link with gcrt1.o with -pg. + * sparc/sol2-g1.asm: New file, startup code for profiled + executables. + * sparc/t-sol2: Add make rule for gcrt1.o. + * sparc/gmon-sol2.c (_mcleanup): Add support for PROFDIR + environment variable. + +Wed Nov 29 21:41:13 1995 Ian Lance Taylor <ian@cygnus.com> + + * mips/abi64.h (CPP_SPEC): If -msingle-float and not + -msoft-float, pass -D__mips_single_float. Likewise for -m4650 and + not -msoft-float. + * mips/dec-bsd.h (CPP_SPEC): Likewise. + * mips/dec-osf1.h (CPP_SPEC): Likewise. + * mips/elf64.h (CPP_SPEC): Likewise. + * mips/iris3.h (CPP_SPEC): Likewise. + * mips/iris5.h (CPP_SPEC): Likewise. + * mips/mips.h (CPP_SPEC): Likewise. + * mips/netbsd.h (CPP_SPEC): Likewise. + * mips/osfrose.h (CPP_SPEC): Likewise. + * mips/t-ecoff (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, + MULTILIB_MATCHES): Add -msingle-float support. + +Wed Nov 29 17:57:48 1995 Doug Evans <dje@cygnus.com> + + * toplev.c (main): Invoke OPTIMIZATION_OPTIONS after target_flags + has been initialized so sets of target_flags aren't clobbered. + + * cccp.c (do_include): Recognize c:\foo as absolute path name in DOS. + + * svr4.h (MD_EXEC_PREFIX): Don't use if cross compiling. + (MD_STARTFILE_PREFIX): Likewise. + (LINK_SPEC): Don't use absolute path names if cross compiling. + * svr3.h (LIB_SPEC): Likewise. + + * gcc.c (do_spec_1): Fix typos in version calculation. + +Wed Nov 29 14:06:13 1995 Jim Wilson <wilson@cygnus.com> + + * sh.md (ashrsi3_d): Use %0 not %1 in output pattern. + + * svr4.h (MAX_OFILE_ALIGNMENT): Define. + + * mips/iris5.h (WORD_SWITCH_TAKES_ARG): Define. + (LINK_SPEC): Add rpath. + * mips/iris6.h (LINK_SPEC): Likewise. + + * stupid.c (stupid_mark_regs): For hard registers, use regno+j + instead of just regno in MARK_LIVE_AFTER and SET_HARD_REG_BIT calls. + + * c-common.c (combine_strings): Add support for WCHAR_TYPE as short. + +Wed Nov 29 13:59:58 1995 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * c-decl.c (duplicate_decls): Add new paramter different_binding_level. + Lots of changes to use new new parameter. + (pushdecl): Delete variable declared_global. New variable + different_binding_level and code to set it. Move extern/static + warning before duplicate_decls call. Don't let global typedefs + conflict with nested extern declarations. Move oldglobal test + inside code for setting IDENTIFIER_LIMBO_VALUE. + (lookup_name_current_level_global): Delete. + * c-tree.h (merge_attributes): New declaration. + * c-typeck.c (merge_attributes): New function. Move code from + common_type to here. + (common_type): Call merge_attributes instead of having inline code. + * integrate.c (integrate_decl_tree): Delete variable newd. + Always set DECL_ABSTRACT_ORIGIN before calling pushdecl. + +Tue Nov 28 21:57:04 1995 Jim Wilson <wilson@cygnus.com> + + * mips.c (mips_function_value): Add check for i > 0 when deciding + if structure should be return in FP registers. + +Tue Nov 28 12:47:52 1995 Jeffrey A. Law <law@cygnus.com> + + * pa.md (define split for (plus (reg) (large_constant)): Try + another way to handle this with only 2 insns. From Tege. + +Mon Nov 27 02:05:18 1995 Jeffrey A. Law <law@cygnus.com> + + * lib1funcs.asm, pa-pro.h, t-pro.h, xm-papro.h: New PA + target files. + * configure (hppa*-*-pro*): Use new target files. + + * toplev.c (rest_of_compilation): Always call jump_optimize + at least once. + + * pa.h (ASM_OUTPUT_EXTERNAL): Don't let assemble_name clobber + the value of TREE_SYMBOL_REFERENCED. + + * pa-ghpux9.h (LINK_SPEC): Pass "-z" to the linker to enable + trap on null pointer dereference for programs built on hpux9. + * pa-hpux9.h, pa1-ghpux9.h, pa1-hpux9.h: Likewise. + + * pa.c (output_function_prologue): No longer need to keep + track of the total number code bytes when TARGET_GAS && + not TARGET_PORTABLE_RUNTIME. + * pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use .NSUBSPA when + not TARGET_PORTABLE_RUNTIME. + (ASM_OUTPUT_FUNCTION_PREFIX): Define. Prefix functions with + .NSUBSPA when TARGET_GAS and not TARGET_PORTABLE_RUNTIME. + + * pa.md (symbolic high patterns): Use 'H' to print the symbolic + address so that the constant part gets rounded. + * pa.c (print_operand): Handle 'H' operand for high part of a + symbolic address with a rounded constant. + (output_global_address): New argument "rounded_constant". All + callers changed appropriately. + + * x-pa-hpux (FIXPROTO_DEFINES): Add -D_HPUX_SOURCE. + + * pa.h (CPP_SPEC): Only pass -D_HPUX_SOURCE and -D_HIUX_SOURCE if + -ansi is not present. + (CPP_PREDEFINES): Remove -D_HPUX_SOURCE and/or -D_HIUX_SOURCE. + * pa-ghiux.h (CPP_PREDEFINES): Likewise. + * pa-gux7.h (CPP_PREDEFINES): Likewise. + * pa-hiux.h (CPP_PREDEFINES): Likewise. + * pa-hpux.h (CPP_PREDEFINES): Likewise. + * pa-hpux7.h (CPP_PREDEFINES): Likewise. + * pa1-ghiux.h (CPP_PREDEFINES): Likewise. + * pa1-hiux.h (CPP_PREDEFINES): Likewise. + + * pa-hpux.h (LINK_SPEC): If -mlinker-opt, then pass -O to the + linker. + * pa-ghpux.h, pa-hpux9.h, pa-ghpux9.h: Likewise. + * pa1-ghpux9.h, pa1-hpux9.h: Likewise. + * pa.h (LINK_SPEC): Likewise. + (TARGET_SWITCHES): Add -mlinker-opt. + + * pa.md (all peepholes): Disable if TARGET_SOFT_FLOAT. + + * pa.c (pa_reorg): If TARGET_GAS, then emit insns to mark + the beginning and end of the branch table. + * pa.md (begin_brtab): New insn. Just a marker so GCC knows + where to put the .begin_brtab pseudo-op. + (end_brtab): Similarly. + + * pa.h (EXTRA_SECTIONS): Add in_ctors and in_dtors if + CTORS_SECTION_FUNCTION is defined. Else define dummy + versions of CTORS_SECTION_FUNCTION and DTORS_SECTION_FUNCTION. + (EXTRA_SECTION_FUNCTIONS): Add CTORS_SECTION_FUNCTION and + DTORS_SECTION_FUNCTION. + + * pa.md: Add peepholes to improve spill code generated + by reload when we run out of FP registers. + + * xm-pa.h: Remove spurious double-quote. + + * pa.md (call expanders): For indirect calls, load %r22 with the + function's address. + (indirect call patterns): No need to copy the call address into + %r22 anymore. + + * pa.c (output_cbranch): Fix buglet in length handling of + backwards branches with unfilled delay slots. + (output_bb, output_bvb, output_dbra, output_movb): Likewise. + + * pa.md: Fix off-by-one error in length computations for all + conditional branch patterns. + + * pa.h (output_bvb): Declare. + * pa.c (output_bvb): New function to output branch on variable + bit insns. + * pa.md (branch-on-variable-bit): New patterns. + + * pa.h (TARGET_MILLICODE_LONG_CALLS): Delete swtich and all + references. + (output_millicode_call): Declare new function + * pa.md (millicode calls): Update length computation to handle + variable length millicode calls. + (call pattners): Likewise. + (indirect call patterns): Update length compuations and output + templates to handle variable length millicode calls. + (plabel_dereference): Likewise. + * pa.c (override_options): Give warnings when incompatable + options are used. + (output_mul_insn): Call output_millicode_call instead of + output_call, eliminate last argument to output_millicode_call. + (output_div_insn): Likewise. + (output_mod_insn): Likewise. + (output_call): Rewrite long call code to handle variable length + millicode calls. Eliminate support for calling mul, div and mod + millicode routines. + (output_millicode_call): New function for calling mul, div and mod + millicode routines. + + * pa.md (abssi2): New pattern. + + * pa.c (secondary_reload_class): Loads from reg+d addresses into + FP registers don't need secondary reloads. + * pa.h: Delete soem #if 0 code. Update some comments. + (EXTRA_CONSTRAINT, case 'Q'): Only accept valid memory addresses. + + * pa.h (RTX_COSTS): Tege's rewrite. + + * pa.c (hppa_legitimize_address): Generate unscaled indexed + addressing for (plus (symbol_ref) (reg)). + (emit_move_sequence): Set REGNO_POINTER_FLAG appropriately + to encourage unscaled indexing modes. + (basereg_operand): New function for unscaled index address support. + * pa.md (unscaled indexing patterns): New patterns for unscaled + index address support. + + * pa.h (MOVE_RATIO): Define. + * pa.md (movstrsi expander): Refine tests for when to use the + library routine instead of an inlined loop copy. Provide an + additional scratch register for use in the inlined loop copy. + (movstrsi_internal): Name the pattern for ease of use. Add + additional scratch register. + * pa.c (output_block_move): Greatly simplify. Use 2X unrolled + copy loops to improve performance. + (compute_movstrsi_length): Corresponding changes. + + * pa.c (print_operand): Handle 'y' case for reversed FP + comparisons. Delete some #if 0 code. Fix various comment typos. + * pa.md (fcmp patterns): Try and reverse the comparison to avoid + useless add,tr insns. + +Sun Nov 26 14:47:42 1995 Richard Kenner <kenner@mole.gnu.ai.mit.edu> + + * Version 2.7.2 released. + + * function.c (fixup_var_refs_1): Make pseudo for DEST + in PROMOTED_MODE unless in a SUBREG. + + * cse.c (insert): Don't put a REG into qty_const. + + * msdos/top.sed: Change version to 2.7.2. + * winnt/config-nt.sed: Likewise. + +Sun Nov 26 14:41:49 1995 Douglas Rupp (drupp@cs.washington.edu) + + * Makefile.in (stamp-objlist): Change .o to $objext. + + * alpha/win-nt.h (CPP_PREDEFINES): Set __unaligned and __stdcall + to null. + (ASM_SPEC): Add a translation for -g to -Zi. + * winnt/ld.c (main): Don't pass -g to link. + * winnt/oldnames.c: Reformat and add some new functions for gnat1. + * winnt/win-nt.h (LINK_SPEC): Pass -g to ld.exe. + Increase default stack size. + * configure ({alpha-dec,i386-ibm}-winnt3.5): Add oldnames.o + to extra_objs. + * libgcc2.c (trampoline): Add getpagesize and mprotect for WINNT. + +Sun Nov 26 14:25:26 1995 Uwe Seimet (seimet@chemie.uni-kl.de) + + * atari.h (FUNCTION_VALUE): Deleted; incorrect. + +Sun Nov 26 14:23:03 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * fixincludes (curses.h): Allow space or tab after bool keyword, + instead of tab or tab. + +Sun Nov 26 14:14:11 1995 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * 1750a.md (pattern for HImode PSHM): Corrected. + (trunchiqi2, zero_extendqihi2, extendhftqf2): Corrected. + (pattern for movhi of CONST_INT to REG): Corrected. + (divmodqi pattern for DISN): Corrected. + (all shift patterns): Corrected. + + * 1750a.h (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Corrected. + (ASM_OUTPUT_[datatype]): Corrected datalbl[].size computation + for output of arrays. + +Sun Nov 26 14:08:57 1995 Dave Love <d.love@dl.ac.uk> + + * mips/iris5.h (NO_IMPLICIT_EXTERN_C): Define this again so + that unistd.h doesn't get badly `fixed' for C++. libg++ will now + build with this definition. + +Sun Nov 26 14:02:43 1995 Robert E. Brown (brown@grettir.bibliotech.com) + + * configure: Better workaround for Nextstep bug. + +Sun Nov 26 13:55:07 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * rs6000.md (load_multiple matcher): Fix typo in opcode. + +Sun Nov 26 13:51:08 1995 Lee Iverson <leei@Canada.AI.SRI.COM> + + * final.c (final_start_function): Move call to sdbout_begin_function + back to final_scan_insn on MIPS systems so parameter descriptions are + recognized. + +Sun Nov 26 13:43:06 1995 DJ Delorie (dj@delorie.com) + + * msdos/top.sed: Don't insert "go32". + +Sun Nov 26 12:08:23 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * combine.c (nonzero_bits, case REG): Put POINTERS_EXTEND_UNSIGNED + code before stack pointer code. Return nonzero at end of stack + pointer code. + + * sparc.h (PRINT_OPERAND_ADDRESS): Handle CONST inside PLUS. + + * Makefile.in (cppalloc.o): Add a rule to build it. + + * alpha.c (alpha_emit_set_const): Don't output SImode sequences + that rely on invisible overflow. Sign extend new when SImode. + Don't recur if new == c. Don't allow shift outside mode. Make + logical right shift be unsigned. + +Sun Nov 26 11:37:50 1995 Arne H. Juul (arnej@idt.unit.no) + + * Makefile.in (compare*): Add "|| true" to avoid spurious + failure messages from some versions of make. + +Sun Nov 26 11:20:09 1995 Dmitry K. Butskoy (buc@stu.spb.su) + + * expr.c (truthvalue_conversion): Add declaration. + +Sun Nov 12 18:09:35 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Version 2.7.1 released. + + * function.c (put_reg_into_stack): New arg volatile_p. + (put_var_into_stack): Call with new arg. + +Sat Nov 11 08:25:34 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * reload.c (output.h): Include it. + * Makefile.in (reload.o): Add dependence on output.h. + +Thu Nov 9 11:24:20 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * mips.h (HARD_REGNO_NREGS): If FP_REG_P, always use UNITS_PER_FPREG + to calculate number of words needed. + +Thu Nov 9 11:04:50 1995 Oliver Kellogg (Oliver.Kellogg@space.otn.dasa.de) + + * 1750a.md (cmphf): Addd Base Reg with Offset address mode (LB,STB,..) + (movqi,movhi,movhf,addqi3,addhf3,subqi3,subhf3,mulqihi3): Likewise. + (mulhf3,divhf3,andqi3,iorqi3): Likewise. + (define_peephole): Remove the Base mode peepholes. Replace the + special addqi define_insn for "LIM Ra,sym,Rb" by a define_peephole. + (ashlqi3): Took out futile 0th alternative. + (lshrqi3, lshrhi3, ashrqi3, ahsrhi3): Correct case of non-constant + shift count. + + * 1750a.h (REG_ALLOC_ORDER): Define. + (REGNO_OK_FOR_BASE_P): Include stack pointer in test against + reg_renumber[REGNO]. + (ASM_OUTPUT_DESTRUCTOR): Remove bogus assembler comment. + +Thu Nov 9 11:01:33 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_expr, case ARRAY_REF): Properly convert types + of index, size, and multiplication. + +Wed Nov 8 09:00:22 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.md (mov*cc_{,soft_}insn): Use match_operator to test the + comparison and check that the condition code register is used. + +Wed Nov 8 08:49:35 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (ASM_OUTPUT_{CONSTRUCTOR,DESTRUCTOR}): Undef before + including svr4.h. + +Tue Nov 7 10:58:12 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * m68k.md (subxf3): Properly name pattern. + +Tue Nov 7 10:53:09 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * libgcc2.c (__{C,D}TOR_LIST): For AIX, initialize these arrays to + 0,0, just like NeXT to avoid a warning message from the AIX 4.1 + linker. + +Tue Nov 7 09:58:34 1995 John F. Carr <jfc@mit.edu> + + * cppexp.c (cpp_lex): Correctly parse character constants. + +Tue Nov 7 09:52:15 1995 Jason Merrill <jason@yorick.cygnus.com> + + * rs6000.h (ASM_OUTPUT_{DES,CONS}TRUCTOR): Define. + +Mon Nov 6 10:27:15 1995 Doug Evans <dje@cygnus.com> + + * combine.c (force_to_mode): Fix typo. + +Sun Nov 5 18:37:02 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * m68k.md (cmpxf): Don't call force_const_mem, it looses for PIC; + get predicates right instead. Get rid of separate DEFINE_EXPAND. + (addxf3, subxf3, mulxf3, divxf3): Likewise. + (All XFmode patterns): Delete `F' and `G' constraints. + (absxf2, negxf2): Delete spurious condition on TARGET_FPA. + +Sun Nov 5 11:05:44 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * fixincludes (malloc.h): Fix return type of {m,re}alloc. + +Sun Nov 5 11:02:26 1995 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * cse.c (invalidate): For a pseudo register, do a loop to + invalidate all table entries, irrespective of mode. + +Sun Nov 5 10:57:43 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (force_to_mode): Put in last change properly. + +Sun Nov 5 10:53:49 1995 Jeffrey A Law (law@cygnus.com) + + * pa.h (CONDITIONAL_REGISTER_USAGE): Make sure FP regs + get disabled regardless of PA1.0 vs PA1.1 code generation + when TARGET_SOFT_FLOAT or TARGET_DISABLE_FPREGS is on. + +Sun Nov 5 10:49:43 1995 Doug Evans <dje@lisa.cygnus.com> + + * i960.c (emit_move_sequence): Add a scratch register to + multi-reg stores. + (i960_output_move_{double,quad}): New functions. + (i960_print_operand): Handle new operand types E, F. + * i960.md (movdi matchers): Rewrite. + (store_unaligned_di_reg): New pattern. + (movti matchers): Rewrite. + (store_unaligned_ti_reg): New pattern. + +Sun Nov 5 10:45:24 1995 Ian Lance Taylor (ian@cygnus.com) + + * mips.h (MULTILIB_DEFAULTS): Define. + * mips/elf64.h, mips/iris6.h (MULTILIB_DEFAULTS): Define. + +Sun Nov 5 10:41:48 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * reload.c (push_reload): Delete abort for RELOAD_OTHER case added + in last change. + * reload1.c (emit_reload_insns): For RELOAD_OTHER output reloads, + output the reload insns in descending order of reloads. + + * sh.md (mulsidi3-1, mulsidi3, umulsidi3-1, umulsidi3): Enable. + (smulsi3_highpart-1, smulsi3_highpart): New patterns. + (umulsi3_highpart-1, umulsi3_highpart): Likewise. + (movdi-1): Add r/x constraint. + * t-sh (MULTILIB_OPTIONS): Add m2. + (MULTILIB_DIRNAMES): Add m2. + (MULTILIB_MATCHES): Define. + + * sparc.h (RTX_COSTS, case MULT): Check for TARGET_SPARCLITE. + + * abi64.h, elf64.h (CPP_SPEC): Add -EB and -EL support. + +Sat Nov 4 10:36:26 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.md (casesi_worker): Change constraint from = to +. + + * svr4.h (ASM_IDENTIFY_GCC_AFTER_SOURCE): Delete. + (ASM_IDENTIFY_GCC): Output stab here. + +Sat Nov 4 10:32:37 1995 John Carr <jfc@mit.edu> + + * cpplib.c (finclude): Set current input pointer when input + is not a regular file. + + * cppmain.c: Define progname, required by cpplib. + +Sun Oct 29 07:48:36 1995 Michael Meissner <meissner@cygnus.com> + + * xcoffout.h (DBX_FINISH_SYMBOL): Deal with names created via + the __asm__ construct that start with a leading '*'. + * xcoffout.c (xcoff_declare_function): Likewise. + +Sun Oct 29 07:45:41 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * stupid.c (stupid_mark_refs): Handle SUBREG of pseudo-reg in a + SET_DEST same as we handle a pseudo-reg in a SET_DEST. + +Sun Oct 29 07:43:15 1995 Pat Rankin <rankin@eql.caltech.edu> + + * libgcc2.c (L_eh: __unwind_function): Implement for VAX. + * vax.h (RETURN_ADDRESS_OFFSET, RETURN_ADDR_RTX): Define. + +Sun Oct 29 12:39:08 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>a + + * i386/sol2.h (CPP_PREDEFINES): Add -D__SVR4. + +Sun Oct 29 07:14:36 1995 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * reload.c (find_equiv_reg): Check for nonsaving setjmp. + +Fri Oct 27 15:15:56 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * Makefile.in (out_object_file): Depend on TREE_H. + +Fri Oct 27 06:42:36 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (call_operand): Only allow reg 27 on NT too. + * alpha.md (call_value_nt, call_nt): Force non-SYMBOL_REF + into reg 27, just like for OSF. + + * rs6000.c (struct asm_option): Changed from struct option. + (expand_block_move_mem): Remove erroneously-added line. + + * expr.c (clear_storage): SIZE is now rtx, not int. + (store_constructor): Call clear_storage with rtx. + (get_inner_reference): Convert index to precision of + sizetype, not POINTER_SIZE. + (expand_expr, case ARRAY_REF): Likewise. + * expr.h (clear_storage): Second arg is rtx, not int. + +Fri Oct 27 05:45:58 1995 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * combine.c (force_to_mode, case ASHIFTRT): Properly handle + mask wider than HOST_WIDE_INT. + + * c-decl.c (pushdecl): Don't test TREE_PUBLIC when deciding whether + to register a duplicate decl in the current block. + +Thu Oct 26 21:55:39 1995 Jason Merrill <jason@sethra.cygnus.com> + + * calls.c (expand_call): Don't trust the callee to copy a + TREE_ADDRESSABLE type. + * function.c (assign_parms): Likewise. + +Thu Oct 26 19:25:05 1995 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__unwind_function): Provide a default definition for + implementations that don't yet have a function unwinder. + +Thu Oct 26 18:08:19 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (handle_directive): Don't treat newline as white + space when coalescing white space around a backslash-newline. + +Thu Oct 26 17:57:34 1995 Ian Lance Taylor <ian@cygnus.com> + + * mips-tdump.c (enum st): Define st_Struct, st_Union, and st_Enum. + (st_to_string): Handle them. + (type_to_string): Add fdp argument; pass it to emit_aggregate. + (print_symbol): Add fdp argument; pass it to type_to_string. + Handle st_Struct, st_Union, and st_Enum. + (emit_aggregate): Add fdp argument. Handle opaque types. Map + through RFD entries. + (print_file_desc): Pass FDR to print_symbol. + (main): Pass null FDR to type_to_string. + +Thu Oct 26 08:07:10 1995 Michael Meissner <meissner@cygnus.com> + + * configure (powerpc-ibm-aix[456789]*): Use rs6000/t-newas, + not rs6000/t-rs6000. + (rs6000-ibm-aix3.2.[456789]*): Likewise. + (rs6000-ibm-aix[456789]*): Likewise. + + * rs6000/t-newas: Copy from t-rs6000. + * t-rs6000: Don't build -mcpu=common multilib variants of libgcc.a. + + * rs6000.md (load_multiple insn): If address register is among regs, + don't load it with a lwsi instruction, which is undefined on PowerPC. + +Thu Oct 26 08:01:32 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * dwarfout.c (output_compile_unit_die): Handle language_string + of "GNU F77". + + * reload.c (find_reloads_address): When check for out of range constant + plus register, accept any hard register instead of just fp, ap, sp. + + * combine.c (distribute_notes): For Oct 19 change, add additional + check to verify that place has a valid INSN_CUID. + + * sparc/t-vxsparc (LIBGCC1_TEST): Define. + + * sh.md (negdi2): Use TARGET_LITTLE_ENDIAN. + + * combine.c (force_to_mode, case ASHIFTRT): Verify mode bitsize is + within HOST_BITS_PER_WIDE_INT before shifting by it. + + * final.c (final_scan_insn): When recur for instruction in delay slot, + add loop around recursive call in case the instruction gets split. + +Thu Oct 26 07:28:45 1995 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * genrecog.c (write_tree_1): Avoid emitting '-2147483648'. + + * jump.c (duplicate_loop_exit_test): Return 0 if found + a NOTE_INSN_LOOP_CONT. + +Tue Oct 24 15:30:14 1995 Jeffrey A Law <law@cygnus.com> + + * calls.c (expand_call): Make sure valreg is at least + a full word. + +Sun Oct 22 19:35:41 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.h (INIT_SECTION_ASM_OP): Delete. + (HAVE_ATEXIT): Define. + +Sun Oct 22 07:46:04 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * libgcc2.c (__fixuns[xds]fsi): #undef MIN and MAX before #include + of limits.h. + + * pa.c (pa_adjust_cost): Use pa_cpu, not pa_cpu_attr. + +Sun Oct 22 07:38:58 1995 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * alpha.h (CONST_OK_FOR_LETTER_P): Use 'U' for unsigned constants. + * alpha.c (alpha_emit_set_const): Likewise. + * mips.c (gen_int_relational): Likewise. + +Sun Oct 22 07:14:35 1995 Douglas Rupp (drupp@cs.washington.edu) + + * i386.c (i386_return_pops_args): Don't need a FUNDECL to + check for type attributes in FUNTYPE. + +Sat Oct 21 18:17:42 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.md (define_delay): Don't accept any instruction for an annulled + slot, only accept those for which in_delay_slot is yes. + * sh.c (find_barrier): When hi_const returns true, increment count_si + by two if found_si is true. + Always use get_attr_length to compute length of instructions. + If count_hi or count_si out of range at end, need two PREV_INSN calls + not one. + When create new label, set LABEL_NUSES to 1. + (reg_unused_after): Ifdef out code for handling labels. + (prepare_scc_operands): New local variable mode. Set it from + sh_compare_op0 or sh_compare_op1. Use it instead of SImode in + force_reg calls. + + * optabs.c (expand_float): Emit missing barrier after unconditional + jump. + +Sat Oct 21 14:16:46 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * alpha.md (cmpdf): Make conditional on TARGET_FP. + +Fri Oct 20 19:11:12 1995 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * combine.c (distribute_notes): Delete instructions without + side effect that set a subreg of an unused register. + + * m68k.h (PREFERRED_RELOAD_CLASS): Check for !G constants + for DATA_OR_FP_REGS also. + +Fri Oct 20 18:57:10 1995 Ian Lance Taylor <ian@cygnus.com> + + * genmultilib: Output negations of unused alternatives, even if + one of the alternatives is selected. + +Fri Oct 20 18:48:50 1995 Jeff Law (law@hurl.cygnus.com) + + * integrate.c (output_inline_function): Turn on flag_no_inline + to avoid function integration once we begin writing deferred + output functions. + +Fri Oct 20 18:46:33 1995 Michael Meissner <meissner@wogglebug.tiac.net> + + * rs6000.c (float_conv_temp): Delete global variable. + (stack_temps): New static array to hold stack temps. + (offsettable_mem_operand): Delete function. + (offsettable_addr_operand, rs6000_stack_temp): New functions. + (output_epilog): Zero stack_temps. + + * rs6000.h (offsettable_addr_operand): Declare instead of + offsettable_mem_operand. + (PREDICATE_CODES): Use offsettable_addr_operand. + (float_conv_temp): Delete variable. + + * rs6000.md (move_to_float insns): Change move_to_float so + that it doesn't have a clobber of the memory address, and instead + passes the stack temp's memory address as one of the unspec args. + (fix_truncdfsi2): Use rs6000_stack_temp to allocate the temp. + (multiply, shift insns): Fix all cases of multiply and shift insns so + that the right mnemonics are used for -mcpu=common with both + -m{old,new}-mnemonics. + +Fri Oct 20 17:58:19 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * expr.c (safe_from_p, case RTL_EXPR): Return 0 if RTL_EXPR_SEQUENCE + exists. Delete code to return 0 if exp_rtl is zero. + + * function.c (init_function_start): Don't call init_insn_lengths here. + * toplev.c (rest_of_compilation): Call it here. + +Thu Oct 19 19:19:06 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-common.c (check_format_info): Make test for null pointer + more general. + +Thu Oct 19 18:56:16 1995 Satoshi Adachi (adachi@wisdom.aa.ap.titech.ac.jp) + + * fixincludes (stdlib.h): Be more general in edit to change + declaration of {c,m,re}alloc. + +Thu Oct 19 18:48:53 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * libgcc2.c (__udiv_w_sdiv): If we don't have sdiv_qrnnd, define + dummy variant of __udiv_w_sdiv. + +Thu Oct 19 18:45:21 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * alpha.h (ASM_SPEC): If GNU as is the default, then pass -g to + the assembler if -malpha-as. If GNU as is not the default, then pass + -g to the assembler is not -mgas. + + * combine.c (distribute_notes): When search for new place to put + REG_DEAD note, call distribute_links if this new place is between + i2 and i3, and i2 uses the register. + +Thu Oct 19 18:41:36 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (float{,uns}sidf2): Rewrite to break the conversion + process into several general insns. + (move_to_float): New insns to move 2 integer regs into a float register + through memory, taking endianess into account. Make sure that the + floating temporary is a valid address. Use one temporary for all + floats converted. + (fix_truncdfsi2): Take endianess into account. + + * rs6000.c ({low_32_bit,offsettable_mem}_operand): The function + low_32_bit_operand is now unused, delete it. New function + offsettable_mem_operand to determine if a memory address is + offsettable. + * rs6000.h ({low_32_bit,offsettable_mem}_operand): Ditto. + (PREDICATE_CODES): Ditto. + + * rs6000.{c,h} (float_conv_temp): New global. + * rs6000.c (output_epilog): Zero out float_conv_temp. + + * Makefile.in (libgcc{1,2}.a): Allow LIB{1,2}FUNCS_EXTRA files to + end in .S as well as .c and .asm. + +Wed Oct 18 17:56:45 1995 Jose Alonso (sidinf@fpsp.fapesp.br) + + * c-typeck.c (parser_build_binary_op): Warn about x^y==z, etc. + +Mon Oct 9 12:38:06 1995 Michael Meissner <meissner@cygnus.com> + + * protoize.c (reverse_def_dec_list): Silence compiler warnings. + +Mon Oct 9 12:35:54 1995 Andrew Cagney <cagney@highland.com.au> + + * ginclude/va-ppc.h (va_arg): Deal with long longs that would be + passed in the 7th register, and are passed in the stack instead. + +Fri Oct 6 13:47:10 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * alpha.h (ASM_SPEC): Add -g. + +Fri Oct 6 13:42:50 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.h (alpha_{arg,auto}_offset): Make extern. + +Fri Oct 6 13:24:43 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (RETURN_ADDRESS_OFFSET): Correct previous change. + +Fri Oct 6 13:14:43 1995 Doug Evans <dje@canuck.cygnus.com> + + * rtlanal.c (reg_set_last): Fix call to reg_set_between_p. + +Tue Oct 3 12:31:38 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (layout_type, case ARRAY_TYPE): Strip MAX_EXPR + from upper bound when computing length if it just protects against + negative length. + + * expr.c (emit_move_insn_1): When doing multi-word move, show + output is clobbered. + +Tue Oct 3 12:26:07 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * cse.c (set_nonvarying_address_components, case AND): Add *pend to + end. Add constant to start instead of subtracting it. + +Tue Oct 3 12:23:28 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * combine.c (simplify_rtx): In code that attempts to simplify + conditional expressions, if the result is an NE around another + comparison, return the original expression. + + * longlong.h (mips umul_ppmm): Use `l' and `h' constraints; + remove mflo and mfhi instructions. + +Tue Oct 3 12:21:29 1995 Michael Meissner <meissner@cygnus.com> + + * ginclude/va-ppc.h (va_start, stdarg case): Call + __builtin_next_arg, and ignore the result, so that the compiler + can report the proper error, if the second argument is not the + last argument. + +Tue Oct 3 12:02:51 1995 Kohtala Marko <Marko.Kohtala@ntc.nokia.com> + + * function.c (assign_stack_temp): Adjust full_size field of + temp_slot when splitting an unused slot. + +Tue Oct 3 11:51:59 1995 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_builtin_return_addr): Break out functionality + from expand_builtin. + (expand_builtin): Call expand_builtin_return_addr. + * rs6000.h (RETURN_ADDR_RTX): Remove call to copy_to_reg. + Offset to return address is 4 when !TARGET_64BIT and v4_call_p, + 8 otherwise. + * sparc.h (RETURN_ADDR_RTX): Remove call to copy_to_reg. + * alpha.h (RETURN_ADDR_RTX): New definition. + +Sun Oct 1 21:23:30 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (staticp, case INDIRECT_EXPR): Disable case. + + * expr.c (expand_expr, case COMPONENT_REF): If getting component + of union of variable size, propagate TARGET. + +Fri Sep 29 07:48:09 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (store_expr): When storing promoted value, don't return + MEM if address contains target. + +Thu Sep 28 14:30:03 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): Expand `#if foo && #bar' without a bogus + complaint about preprocessor directives within macro args. + Expand `foo' in `foo#bar' without requiring a space before `#'. + +Thu Sep 28 14:24:26 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (anonymous DImode shift patterns setting cc0): Turned + off due to reload problems. + +Thu Sep 28 14:05:22 1995 Niklas Hallqvist (niklas@appli.se) + + * Makefile.in (USER_H): Move up so can override. + (INSTALL_ASSERT_H): New definition. + (install-headers): Use it. + (stmp-int-hdrs): Handle USER_H being empty. + * config/x-netbsd (INSTALL_ASSERT_H): Define as empty. + + * i386/netbsd.h (WCHAR_{TYPE,UNSIGNED,TYPE_SIZE}): Now int. + * m68k/netbsd.h, ns32k/netbsd.h, sparc/netbsd.h: Likewise. + * vax/netbsd.h: Likewise. + (SIZE_TYPE): Use unsigned int. + + * m68k.c (output_scc_di): Swap operands when needed. + * m68k.h (LEGITIMATE_PIC_OPERAND): Allow SYMBOL_REF_FLAG symref. + * m68k.md: Make both assembler syntaxes do the same for PIC calls. + +Tue Sep 26 16:51:44 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * mips.c (override_options): Don't allow anything but integers to + go in the HI/LO registers. + +Tue Sep 26 16:36:18 1995 John F. Carr <jfc@mit.edu> + + * c-common.c (check_format_info): Don't warn about format type + mismatch if the argument is an ERROR_MARK. + +Mon Sep 25 17:50:50 1995 Craig Burley (burley@gnu.ai.mit.edu) + + * stor-layout.c (put_pending_sizes): New function. + * tree.h (put_pending_sizes): Add declaration. + * tree.c (save_expr): Return original for ERROR_MARK. + +Fri Sep 22 19:20:01 1995 Jeff Law (law@hurl.cygnus.com) + + * expr.c (expand_builtin, case BUILT_IN_MEMCPY): Strip off + all NOP exprs from the source and destination nodes, then + set MEM_IN_STRUCT_P. + +Fri Sep 22 18:50:31 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi.h (ASM_OUTPUT_INT): Test for whether the integer + being output is also a constant so &sym - &sym2 is not fixed up. + +Fri Sep 22 18:49:07 1995 Peter Flass (FLASS@LBDRSCS.BITNET) + + * i370.md (cmpsi): Add missing constraints to operand 1. + +Fri Sep 22 18:27:33 1995 Torbjorn Granlund <tege@matematik.su.se> + + * i386.h (CONST_OK_FOR_LETTER_P): Make `N' match range 0..255 + for `outb' instruction. + + * pyr.h (PRINT_OPERAND): Handle code `R' for REG. + * longlong.h (pyr umul_ppmm): Use it. + +Fri Sep 22 18:24:38 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in (enumlist): Propagate error_mark_node. + + * c-aux-info.c (gen_type): Handle ERROR_MARK. + + * alpha.md (movdi): Avoid memory sharing problem when in reload. + +Wed Sep 20 14:27:09 1995 Peter Flass <flass@lbdrscs.bitnet> + + * mvs.h (FUNCTION_PROLOGUE): Maintain savearea forward chain + per MVS standards. + +Wed Sep 20 14:20:52 1995 Torbjorn Granlund <tege@matematik.su.se> + + * pyr.md (cmphi recognizer): Make condition match constraints. + (cmpqi recognizer): Likewise. + +Wed Sep 20 12:42:59 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * integrate.c (expand_inline_function): Do copy something setting + the result register if it is setting it to itself and has a REG_NOTE. + + * integrate.c (set_decl_{origin_self,abstract_flags}): Treat + a DECL_INITIAL of error_mark_node the same as one of NULL_TREE. + +Tue Sep 19 19:30:18 1995 Dave Pitts (dpitts@nyx.cs.du.edu) + + * i370.md (cmphi, movhi, movstricthi, extendhisi2): Correct generation + of short integer (Halfword) + ({add,sub,mul,and,ior,xor}hi3): Likewise. + * i370/mvs.h (MACROPROLOGUE): New macro. + (FUNCTION_{PRO,EPI}LOGUE): Added ability to use IBM supplied function + prologue macros. + (FUNCTION_PROLOGUE): Corrected function "in-line" prologue alignment + problems. + (ASM_DECLARE_FUNCTION_NAME): Changed alignment to FullWord. + (ASM_OUTPUT_{SHORT,ASCII}): Reworked. + +Tue Sep 19 19:22:15 1995 Douglas Rupp (drupp@cs.washington.edu) + + * winnt/win-nt.h: Renamed from winnt/win-nt.h. + (LINK_SPEC): Add -noinhibit-exec. + * {alpha,i386}/win-nt.h: Renamed from {alpha,i386}/winnt.h. + Include winnt/win-nt.h, not winnt/winnt.h. + * winnt/oldnames.c: New file. + * winnt/headers.mak (fixinc-nt.obj): Fix typo. + * winnt/config-nt.bat: Change winnt.h to win-nt.h. + * i386/config-nt.sed: Likewise. + * configure ({alpha,i386}-*-winnt3*): Likewise. + +Mon Sep 18 14:00:45 1995 Oliver Kellogg (Oliver.Kellogg@space.otn.dasa.de) + + * 1750a.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): + Added R2 and R0_1. + (REG_CLASS_FROM_LETTER): New letters 't' and 'z'. + (EXTRA_CONSTRAINT): New letter 'Q'. + +Sun Sep 17 12:39:22 1995 Jeff Law (law@snake.cs.utah.edu) + + * pa.h (ASM_DECLARE_FUNCTION_NAME): If a parameter's type + has TYPE_NEEDS_CONSTRUCTING on, then it's passed by invisible + reference. + +Sat Sep 16 17:42:33 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * loop.c (find_and_verify_loops): Fix error in last change. + +Sat Sep 16 08:38:22 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.h (GO_IF_LEGITIMATE_ADDRESS): Disallow SYMBOL_REF for + current function. + + * cse.c (recorded_label_ref): New variable. + (insert): Set instead of cse_jumps_altered. + (cse_main): Initialize it and return 1 if nonzero at end. + +Fri Sep 15 18:26:49 1995 Torbjorn Granlund (tege@matematik.su.se) + + * fold-const (div_and_round_double): Change `carry', `quo_est', + and `scale' from plain int to `unsigned HOST_WIDE_INT'. + +Fri Sep 15 18:24:24 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (insert): Set cse_jumps_altered when inserting a LABEL_REF. + +Fri Sep 15 17:29:41 1995 Oliver Kellogg (Oliver.Kellogg@space.otn.dasa.de) + + * 1750a.c (b_mode_operand): New function. + (print_operand): Added code 'Q'. + +Fri Sep 15 17:27:23 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * loop.c (find_and_verify_loops): When moving exit blocks out of + the loop, verify that the target of P is within the current loop. + + * reorg.c (fill_slots_from_thread): Update thread if it is split. + +Fri Sep 15 17:06:51 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (decrement_and_branchsi and related insns): Don't use + a "2" to select a register preference for operand 1 if operand 2 + hasn't been seen yet. + Add appropriate clobbers in decrement_and_branchsi. + Add patterns where the pc/label_ref are interchanged. + + * Makefile.in (gnucompare, stmp-multilib-sub): Remove extra . in + front of $(objext). + + * rs6000.c (output_toc): Align DF constants if STRICT_ALIGNMENT. + + * config/fp-bit.c (FLO_union_type): Add words field if double + precision to get at the separate words. + (FLO_union_type, pack_d, unpack_d): Use FLOAT_BIT_ORDER_MISMATCH + to determine when the bitfields need to be reversed, and + FLOAT_WORD_ORDER_MISMATCH when the words need to be reversed. + +Fri Sep 15 16:41:43 1995 Jeff Law (law@snake.cs.utah.edu) + + * reorg.c (fill_simple_delay_slots): When filling insn's delay slot + with JUMP_INSN, don't assume it immediately follows insn on + unfilled slots obstack. + + * Makefile.in (caller-save.o): Depend on insn-codes.h. + +Thu Sep 14 17:41:49 1995 Jim Meyering (meyering@comco.com) + + * protoize.c (do_cleaning): Don't blank out backslash-escaped + newlines in double quoted strings. + +Thu Sep 14 16:20:35 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (gen_lowpart): If gen_lowpart_common fails + for a REG, load it into a pseudo and try again. + +Thu Sep 14 14:15:16 1995 Stan Cox (coxs@dg-rtp.dg.com) + + * m88k.h (VERSION_INFO1): Removed BCS reference. + * m88k/dgux.h (ASM_SPEC, *_LEGEND): + Added -mno-legend option. -mstandard no longer implies that legend + legend information not be produced. + (LINK_SPEC): Removed -z text + +Tue Sep 12 19:05:39 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * cccp.c (is_system_include): Call skip_redundant_dir_prefix. + +Tue Sep 12 18:58:21 1995 John Carr <jfc@mit.edu> + + * sparc.md: Change `*return "string"' to "string" in patterns. + +Tue Sep 12 18:48:47 1995 Craig Burley (burley@gnu.ai.mit.edu) + + * function.c (put_var_into_stack): For CONCAT case, order of + placement depends on FRAME_GROWS_DOWNWARD, not STACK_GROWS_DOWNWARD. + +Tue Sep 12 18:34:10 1995 Doug Evans <dje@canuck.cygnus.com> + + * va-sparc.h (v9 varargs va_start): Handle __builtin_va_alist + being stack argument. + + * sparc.h (STATIC_CHAIN_REGNUM): Use %g5 for sparc64. + (TRAMPOLINE_TEMPLATE): Rewrite for sparc64. + (TRAMPOLINE_SIZE): Is 40 for sparc64. + * sparc.c (sparc64_initialize_trampoline): Rewrite. + +Tue Sep 12 18:30:22 1995 Douglas Rupp (drupp@cs.washington.edu) + + * cp/Make-lang.in (cc1plus) : Removed unnecessary $(exeext). + + * configure: Added code to handle gcc_extra_objs. + (alpha-winnt): Changed xmake_file to winnt/x-winnt. + Added extra_gcc_objs=spawnv.o; changed extra_programs to ld.exe. + (i386-winnt): Changed xmake_file to winnt/x-winnt. + Added extra_gcc_objs=spawnv.o; changed extra_programs to ld.exe. + * configure.bat: Changed to used common winnt/config-nt.bat. + * Makefile.in: Changed various .o's to .$(objext)'s + (specs): Removed unnecessary $(exeext). + (EXTRA_GCC_OBJS): New variable. + (clean): Removed $(LIB2FUNCS_EXTRA) + * objc/Makefile: Changed archive command for libobjc.a to use $? + for objects. + + * alpha/x-winnt, i386/x-winnt: Deleted. + * alpha/config-nt.bat, i386/config-nt.bat: Deleted. + * alpha/config-nt.sed, i386/config-nt.sed: Moved architecture + independent commands to config/winnt/config-nt.sed. + * alpha/winnt.h: Added -D_M_ALPHA to CPP_PREDEFINES. + Changed LIB_SPEC to be compatible with Gnu ld for NT. + * i386/winnt.h: Added -D_cdecl=__attribute__((__cdecl__)). + Change LIB_SPEC to be compatible with Gnu ld for NT. + * winnt/config-nt.bat, winnt/config-nt.sed: New files. + * winnt/dirent.{c,h}, winnt/fixinc-nt.c, winnt/headers.mak: New files. + * winnt/ld.c: Changed precedence of libraries to look for + libfoo.lib before libfoo.a + Changed to work like Gnu ld for NT. + * winnt/libgcc.mak, winnt/mklibgcc.c: New files. + * winnt/spawnv.c: Changed spawn function entry points to __spawn* + instead of spawn*. + * winnt/x-winnt: New file. + * fixinc-nt.sed: New file. + * fixinc.winnt: Rewritten to use fixinc-nt.sed. + + * gcc.c: Remove fix_argv kludge. + +Tue Sep 12 13:24:17 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (power subdi3 pattern): Fix pattern to have 5 + alternatives, and correct 4th alternative to match reality. + + * rs6000.md (adddi3, subdi3, negdi2): Add constraints so output reg + does not overlap one reg with one of the inputs. + +Tue Sep 12 13:09:48 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.c (output_scc_di): Fixed for non-SGS_CMP_ORDER syntax. + + * collect2.c (scan_libraries): Cast lsyms' alloca to LDSYM*. + +Tue Sep 12 13:04:12 1995 Niklas Hallqvist (niklas@appli.se) + + * stmt.c (expand_start_stmt_expr): Do stack adjust in right place. + + * stdarg.h (__gnuc_va_list): Make char * for NetBSD. + +Tue Sep 12 12:44:46 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * ginclude/va-ppc.h (va_arg): Reorganize to avoid BIND_EXPRs of + aggregate or array type. + +Tue Sep 12 12:42:27 1995 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Fix HP/UX <sys/file.h> for g++ -pedantic-errors. + + * fixincludes (curses.h): typedef bool need not take up entire line. + +Mon Sep 11 19:05:42 1995 Stan Cox (coxs@dg-rtp.dg.com) + + * c-typeck.c (digest_init): Don't recursively call digest_init + when in traditional mode if the type is invalid. + +Mon Sep 11 18:58:26 1995 Oliver Kellogg (Oliver.Kellogg@space.otn.dasa.de) + + * 1750a.md: Added DLB/DSTB peepholes for HFmode. + Corrected mnemonics for HImode DSTB peephole. + +Mon Sep 11 18:48:06 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * config/fp-bit.c (FLO_union_type): Remove bitfields to set sign, + exponent, and mantissa, and add value_raw field, which is an + integer of the appropriate type. If _DEBUG_BITFLOAT is defined, + provide little and big endian bitfields. If the macro + FLOAT_BIT_ORDER_MISMATCH is defined, use explicit bitfields. + (pack_d, unpack_d): Switch to use value_raw and explicit shifts + and masks so that we don't have to worry about whether the target + is big or little endian unless FLOAT_BIT_ORDER_MISMATCH is + defined. If single precision floating point, rename to pack_f and + unpack_f, so there is no confusion in the debugger. + + * rs6000.h (rs6000_abi): New enumeration to describe which + ABI we're conforming to. + (rs6000_stack): Use abi enum, not AIX vs. V.4 boolean. + (ASM_OUTPUT_OPTIONS): New macro to print output options in .s file. + (ASM_FILE_START): Use it. + (output_options,rs6000_float_const): Declare new functions. + + * rs6000.c (output_option{,s}): New functions to write -f, -m, + and -W options to the asm file. + (rs6000_float_const): New function to generate floating point + constants portably used in signed,unsigned -> double conversions. + (rs6000_stack_info,debug_stack_info): Use ABI enumeration instead + of AIX vs. V.4 boolean. + + * rs6000.md (float{,uns}sidf2): Call rs6000_float_const to + portably build the proper floating point constant for conversions. + (movdi): Properly handle movdi of CONST_{INT,DOUBLE} on little + endian systems. + + * rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): Define to be 0/1 + depending on the target endianess. + (ASM_FILE_START): Define, to call output_options in addition to + output_file_directive. + (TRAMPOLINE_SIZE): Correct size to match code. + + * rs6000/eabi{,le}sim.h (CPP_SPEC): Define the correct endian + macro for varargs/stdargs use. + +Mon Sep 11 18:41:58 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * c-decl.c (redeclaration_error_message): For TYPE_DECLs, return 0 + if TYPE_MAIN_VARIANT of old type is same as new type. + +Mon Sep 11 17:39:35 1995 Rob Ryan (robr@cmu.edu) + + * xcoffout.c (xcoff_inlining): New variable, used in place of + xcoff_current_include_file when determining whether to use + absolute line numbers. + (xcoffout_source_file): Switched to using xcoff_inlining to + determine when to emit .bi/.ei directives. + +Mon Sep 11 16:55:06 1995 Torbjorn Granlund <tege@matematik.su.se> + + * m68k.md (cmpdi): Change patterns to allocate scratch register at + RTL generation time. + (tstdi): Likewise. + +Sun Sep 3 09:03:50 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (size_binop): Don't pass 1 to NOTRUNC. + +Thu Aug 31 19:27:00 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * libgcc2.c: Include longlong.h. + [L_udivdi3 || L_divdi3 || L_umoddi3 || L_moddi3] (__udivmoddi4): + Define this `static inline' when defining these, so they all + remain leaf functions. + +Thu Aug 31 18:38:21 1995 Paul Eggert <eggert@twinsun.com> + + * c-parse.in (ends_in_label): New %union member. + (stmts, stmt_or_label): Use new member to avoid lexical lookahead hack. + (lineno_stmt_or_labels): New rule. + (lineno_stmt_or_label, stmt_or_label): Yield nonzero if it ends + in a label. + +Thu Aug 31 08:31:40 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (canon_hash, CONST_DOUBLE): Hash integer and real + differently. + * varasm.c (struct rtx_const): Add new field DI to union. + (decode_rtx_const, case CONST_DOUBLE): Use to hash CONST_DOUBLE + representing an integer. + + * va-alpha.h (__gnuc_va_list): Make __offset an int. + * alpha.c (alpha_builtin_saveregs): Properly compute address + of __offset both both OSF and WINNT. + + * xm-alpha.h (sbrk): Don't define here. + * gmon.c (sbrk): Define here for __alpha. + * toplev.c (sbrk): Likewise. + * mips-tfile.c (malloc, calloc, realloc): Don't define for anybody. + + * reload.c (push_reload): Add case for output reload of a SUBREG + of a hard reg when output mode is invalid for that mode. + In both that case and existing case for in, don't remove SUBREG. + * reload1.c (emit_reload_insns): Emit RELOAD_OTHER output reloads last. + +Tue Aug 29 19:16:06 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-common.c (decl_attribute, case A_PACKED): Check is_type first. + (decl_attribute, case A_T_UNION): Likewise. + Don't access TYPE_FIELDS if DECL is zero. + * c-decl.c (finish_struct): If transparent_union attribute + specified, validate it once we finish laying the union out. + +Mon Aug 28 05:58:03 1995 Paul Eggert <eggert@twinsun.com> + + * arm.c (arm_gen_movstrqi): Remove unused variable const_sxteen. + + * bi-lexer.c (buffer, inpoint): Remove unused variables. + + * i370/mvs.h, i370/mvs370.c (mvs_label_emitted): Renamed + from mvs_label_emited. + + * msdos/configur.bat: Fix misspelling of `maintainer-clean'. + +Sat Aug 26 06:57:17 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (push_secondary_reload): If X is a paradoxical SUBREG, + get mode and thing to reload from inside. + * reload1.c (emit_reload_insns): Do nothing for SUBREG whose + operand is unused subsequently. + In secondary reload case, if paradoxical SUBREG for output, reload + thing inside SUBREG, just like gen_reload. + +Fri Aug 25 19:26:53 1995 Paul Eggert <eggert@twinsun.com> + + * c-typeck.c (set_init_label): Don't die if an entire + brace-pair level is superfluous in the containing level. + +Fri Aug 25 19:22:46 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure (powerpc{,le}-eabisim): Add support for a new target + that works under the PSIM simulator. + * rs6000/eabisim.h, rs6000/eabilesim.h, rs6000/t-eabisim: New files. + + * rs6000/eabi.h (STRICT_ALIGNMENT): If little endian, always set + strict alignment to 1. + +Fri Aug 25 19:22:23 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md ({add,sub,mulsi}di3): Support both endian possibilities. + (negdi2): Likewise. + +Fri Aug 25 19:10:41 1995 Oliver Kellogg (Oliver.Kellogg@space.otn.dasa.de) + + * 1750a.md: Added peephole definitions for Load/Store Base insns + and eliminating redundant load in an equivalent store/load sequence. + +Fri Aug 25 18:33:27 1995 Craig Burley (burley@gnu.ai.mit.edu) + + * toplev.c (report_error_function): Don't attempt to use input + file stack to identify nesting of #include's if file name oflocation + diagnosed is not same as input_filename. + +Fri Aug 25 07:31:47 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * integrate.c (output_inline_function): Switch to function obstack. + +Mon Aug 21 13:29:54 1995 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * i386.c (arithmetic_comparison_operator): New function. + (print_operand): Take into account that overflow flag is not + set the same as after a compare instruction. + * i386.md (decrement_and_branch_until_zero): Use + arithmetic_comparison_operator to decide if there is comparison + suitable to be expressed by condition code from an arithmetic op. + +Mon Aug 21 13:26:13 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (adddi3, subdi3): "&" added to clobber's constraints. + +Mon Aug 21 12:11:14 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * t-sparclite (MULTILIB_*, LIBGCC, INSTALL_LIBGCC): Define. + + * sh.md (movdi-1, movdf-1): Make conditional on reload_completed, + delete conditions checking for pseudo registers and Q addresses. + Add code to handle SUBREG. + + * local-alloc.c (wipe_dead_reg): Make a register mentioned in a + REG_INC note die after the instruction. + + * m68k.md: For all dbra pattern, change constraint from 'g' to 'd*g'. + + * Makefile.in: (underscore.c): Rename rule to stamp-under, and + touch stamp-under at the end. Add new rule for underscore.c that + depends on stamp-under. + + * sh.c (reg_unused_after): For a SEQUENCE, make sure all insns are + safe before returning 1. + + * sh.h (PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN): Define. + + * sh.c (output_stack_adjust): Add new argument reg. Use it instead + of stack_pointer_rtx. + (sh_expand_prologue, sh_expand_epilogue): Pass new argument to + output_stack_adjust. + +Sat Aug 19 17:34:15 1995 Jim Wilson <wilson@phydeaux.cygnus.com> + + * sparc/gmon-sol2.c (_mcount): Define. + * sparc/sol2.h (STARTFILE_SPEC, ENDFILE_SPEC): Delete superfluous + -pg tests. + (LINK_SPEC): Add libp directories to -Y when -pg. + + * unroll.c (calculate_giv_inc): Handle increment computed by ASHIFT. + +Sat Aug 19 17:28:56 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (subdi3): Should not be commutative. + (one_cmpldi2): Fixed typo with register operand. + +Sat Aug 19 17:20:43 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (output_prolog): Fixup code to set stack pointer + if stack size > 32k. + * rs6000.md (sync_isync): Renamed from sync; added an isync insn + after the sync to properly deal with PowerPC's with split I/D caches. + * sysv4.h (INITIALIZE_TRAMPOLINE): Sync function now named sync_isync. + +Sat Aug 19 17:07:09 1995 Doug Evans <dje@canuck.cygnus.com> + + * h8300.h (STATIC_CHAIN_REGNUM): Use r3. + (REGISTER_NAMES): Print r7 as sp. + (ADDITIONAL_REGISTER_NAMES): Recognize r7. + (ASM_OUTPUT_ALIGN): Alignment is power of 2. + * h8300.md (fancy_btst,fancy_btst1): Branch target must be + operand 0 for length attribute to work. + +Sat Aug 19 16:43:11 1995 Paul Franklin <paul@cs.washington.edu> + + * assert.h: Declare __eprintf with attribute noreturn. + +Sat Aug 19 16:40:12 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * stddef.h: Don't define wchar_t if __cplusplus is defined. + +Tue Aug 15 18:01:01 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (warning_with_line): Fix typo in declaration when + !HAVE_VPRINTF and defined (__STDC__). + +Tue Aug 15 17:57:54 1995 Stephen L Moshier <moshier@world.std.com> + + * real.c (ediv, emul): Set sign bit of IEEE -0.0 result. + +Tue Aug 15 17:49:47 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (safe_from_p): Only safe if EXP is variable-size and X + is BLKmode. + + * stmt.c (fixup_gotos): When some fixups done, reset to point + to next instead of zeroing TREE_VALUE, which may be shared. + +Mon Aug 14 09:15:45 1995 Doug Evans <dje@canuck.cygnus.com> + + * m68k/m68kemb.h (STARTFILE_SPEC): Define as empty. + +Mon Aug 14 09:08:57 1995 Pat Rankin <rankin@eql.caltech.edu> + + * vax.c (vms_check_external): Update `pending_head' properly + when the first list element is removed. + +Mon Aug 14 09:01:32 1995 Jeffrey A. Law <law@adder.cygnus.com> + + * pa.md (call expanders): Emit a blockage insn after restoring + %r19 when generating PIC. + +Sun Aug 13 21:58:49 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * toplev.c (main): Change text of unsupported -g option warning. + +Sun Aug 13 21:47:57 1995 Andrew McCallum <mccallum@graphite.cs.rochester.edu> + + * objc/selector.c (sel_get_any_typed_uid): New function. + * objc/objc-api.h (sel_get_any_typed_uid): Declare new function. + +Sun Aug 13 21:43:17 1995 John Carr <jfc@mit.edu> + + * c-typeck.c (c_expand_asm_operands): Check for read-only output + operand where the variable is read-only but the type is not. + +Sun Aug 13 21:16:12 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c (direct_return): Epilogue required if CR saved. + +Sun Aug 13 19:09:25 1995 Jeff Law (law@snake.cs.utah.edu) + + * configure (hppa1.?-hp-hpux10): Recognize and treat just like hpux9. + +Sun Aug 13 19:07:23 1995 Doug Evans <dje@canuck.cygnus.com> + + * i960.md (movdi matchers): Fix src/dest order in unaligned + reg->reg case. + +Sun Aug 13 18:49:01 1995 DJ Delorie <dj@delorie.com> + + * i386/xm-dos.h (HAVE_STRERROR): New definition. + + * msdos/configur.bat: Add missing carriage return. + +Sun Aug 13 18:40:55 1995 Andrew Cagney <cagney@highland.com.au> + + * Makefile.in (USER_H): Add va-ppc.h. + +Sun Aug 13 18:36:17 1995 M. Warner Losh <imp@village.org> + + * stmt.c (expand_asm_operands): Type '0'..'4' operands may + allow regs, so move them to the default case. + +Sun Aug 13 18:32:35 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (warning_with_line): New function. + (trigraph_pcp): Use it, to avoid reporting line number. + (vwarning_with_line): Don't report line number if zero. + +Sun Aug 13 18:23:08 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * toplev.c (vmessage): Support four arguments. + +Sun Aug 13 18:19:51 1995 Michael Meissner <meissner@cygnus.com> + + * ginclude/stdarg.h: Add ppc svr4 calling sequence support. + * ginclude/varargs.h: Likewise. + * ginclude/va-ppc.h: New file. + +Sun Aug 13 18:05:20 1995 Michael Gschwind <mike@donoussa.vlsivie.tuwien.ac.at> + + * configure (pdp-*-*): Add support for t-pdp11. + * t-pdp11: New file. + * Makefile.in (LIBGCC2_CFLAGS): Add TARGET_LIBGCC2_CFLAGS. + +Sun Aug 13 14:50:58 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * final.c (final_start_function): Always call sdbout_begin_function + and xcoffout_begin_function, even if no line number info. + + * mips/abi64.h (SETUP_INCOMING_VARARGS): In if statement, only + subtract one for stdarg. Don't subtract PRETEND_SIZE from + argument pointer when calculating stack address. + * mips.h (INITIAL_ELIMINATION_OFFSET): For 64 bit ABI, subtract + current_function_pretend_args_size when converting from argument + pointer. + * va-mips.h (va_start): For stdarg, delete separate define for + 64 bit ABI. For varargs, don't subtract 64, and only add -8 when + all argument registers are used. + + * gcc.c (main): When concat gcc_exec_prefix and + standard_startfile_prefix, put machine_suffix in the middle. + + * iris6.h (INIT_SECTION_ASM_OP): Don't define. + (LD_INIT_SWITCH, LD_FINI_SWITCH, HAS_INIT_SECTION): Don't undef. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Ifdef out. + * configure (mips-sgi-irix6, mips-sgi-irix5cross64): Define + use_collect2 to yes. + + * combine.c (move_deaths): When have a multi-reg hard register, + if don't find a note, then recur for each individual hard register. + + * cse.c (set_nonvarying_address_components): Handle addresses + which are the sum of two constant pseudo regs. + (cse_rtx_addr_varies_p): Likewise. + + * Makefile.in (gfloat.h): Add a - before the rm command. + + * loop.c (find_and_verify_loops): Set dest_loop only if + JUMP_LABEL (insn) is non-zero. + +Mon Jul 31 14:31:53 1995 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Avoid clobbering VxWorks drv/netif/if_med.h file. + +Sat Jul 29 16:21:42 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * collect2.c: (XCOFF_SCAN_LIBS): Define if OBJECT_FORMAT_COFF and + XCOFF_DEBUGGING_FORMAT. + (SCAN_LIBRARIES): Also define if XCOFF_SCAN_LIBS. + +Sat Jul 29 16:19:42 1995 Stuart D. Gathman <stuart@bmsi.com> + + * collect2.c (scan_libraries): Implement for AIX. + +Sat Jul 29 09:59:33 1995 Michael Gschwind <mike@lanai.vlsivie.tuwien.ac.at> + + * configure: (pdp11-*-bsd) New target. + * 2bsd.h: New file. + + * pdp11.c (output_move_double): Handle CONST_INT parameters properly. + * pdp11.h (RTX_COSTS): Fill in missing default values. + * pdp11.md (truncdfsf2, extendsfdf2, floatsidf2, fix_truncdfsi2): + Allow register parameters, required by gcc to generate correct code. + * xm-pdp11.h: Include tm.h. + +Sat Jul 29 09:55:17 1995 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * configure (m68k-*-linux*aout*, m68k-*-linux*): New targets. + * m68k/linux-aout.h, m68k/linux.h, m68k/t-linux, m68k/xm-linux.h: New. + * m68k.md [USE_GAS]: Output `jbsr' instead of `jsr' for normal + function calls and `bsr.l' instead of `bsr' for pic function calls. + +Sat Jul 29 09:44:13 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.h (CAN_DEBUG_WITHOUT_FP): Comment out. + + * reload.c (find_reloads_address_1, case PLUS): When handle SUBREG, + add SUBREG_WORD offset to SUBREG_REG register number. + (find_reloads_address_1, case SUBREG): If a pseudo register inside + a SUBREG is larger than the class, then reload the entire SUBREG. + * sh.h (SUBREG_OK_FOR_INDEX_P): New macro. + (INDEX_REGISTER_RTX_P): Use it. + +Sat Jul 29 09:33:19 1995 Doug Evans <dje@canuck.cygnus.com> + + * mips/netbsd.h (CPP_SPEC): Fix typo. + + * configure (a29k-*-vxworks*): Define extra_parts for crt{begin,end}.o. + * t-a29k, t-a29kbase, t-vx29k ({,CROSS_}LIBGCC1): Define as empty. + +Sat Jul 29 09:15:17 1995 Jeffrey A. Law <law@rtl.cygnus.com> + + * pa/lib2funcs.asm (gcc_plt_call): Rewrite to avoid the need + for being called by _sr4export. Inline expand $$dyncall to + avoid the need for long-call and PIC support. + +Sat Jul 29 07:30:04 1995 Oliver Kellogg (Oliver.Kellogg@space.otn.dasa.de) + + * ms1750.inc (ucim.m, ucr.m, uc.m): New. + * 1750a.md (cmpqi): Account for unsigned comparisons. + (rotrqi3, rotrhi3): Reworked. + * 1750a.c (notice_update_cc): INCM and DECM set condition codes. + (unsigned_comparison_operator, next_cc_user_is_unsigned): New fcns. + * 1750a.h (FUNCTION_EPILOGUE): Local variables freed from SP, not FP. + (ASM_OUTPUT_BYTE): Make distinct from ASM_OUTPUT_CHAR. + (ASM_OUTPUT_CONSTRUCTOR): Add FILE arg to assemble_name. + +Fri Jul 28 09:40:07 1995 Jeffrey A. Law <law@rtl.cygnus.com> + + * pa.h (DO_GLOBAL_DTORS_BODY): Use an asm statement to keep optimizer + from deleting an assignment it believes dead. + +Fri Jul 28 08:47:51 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * unroll.c (unroll_loop): When preconditioning, output code to + execute loop once if initial value is greater than or equal to final + value. + + * configure (lang_specs_files, lang_options_files): Add $srcdir to + file names when adding them to these variables. + + * c-typeck.c (pointer_int_sum): Don't distribute if intop is unsigned + and not the same size as ptrop. + + * function.c (assign_stack_temp): When split a slot, set base_offset + and full_size in the newly created slot. + (combine_temp_slots): Update full_size when slots are combined. + + * sh.c (reg_unused_after): New function. + * sh.md (define_peephole): Add peepholes to use r0+rN addressing mode + for some address reloads. + + * final.c (final_start_function): If SDB_DEBUG, call + sdbout_begin_function. If XCOFF_DEBUG, call xcoffout_begin_function + instead of xcoffout_output_first_source_line. + (final_scan_insn): Don't call sdbout_begin_function or + xcoffout_begin_function. + * xcoffout.c (xcoffout_output_first_source_line): Delete. + (xcoffout_begin_function): Call dbxout_parms and + ASM_OUTPUT_SOURCE_LINE. + + * va-mips.h: Change every occurance of #if __mips>=3 to + #ifdef __mips64. + * mips/abi64.h (CPP_SPEC): Output -D__mips64 when -mips3, or -mips4, + or -mgp64. Output -U__mips64 when -mgp32. + * mips/dec-bsd.h, mips/elf64.h, mips/iris3.h: Likewise. + * mips/iris5.h, mips/mips.h, mips/netbsd.h, mips/osfrose.h: Likewise. + + * i960.c (i960_function_epilogue): Don't clear g14 for functions with + an argument block. + (i960_output_reg_insn): Likewise. + (i960_output_call_insn): Clear g14 for functions wtih an argument + block. + +Fri Jul 28 08:43:52 1995 Doug Evans <dje@canuck.cygnus.com> + + * i960.c (i960_arg_size_and_align): Correct alignment of XFmode + values in library calls. + * i960.md (movdi matchers): Support odd numbered regs. + +Fri Jul 28 08:37:25 1995 Michael Gschwind <mike@lanai.vlsivie.tuwien.ac.at> + + * pdp11.md (divhi3, modhi3, divmodhi4): Rewrite. + +Wed Jul 26 10:15:52 1995 Hallvard B Furuseth (h.b.furuseth@usit.uio.no) + + * collect2.c (end_file): Fix typo in error message text. + +Wed Jul 26 09:22:22 1995 Jeff Law (law@snake.cs.utah.edu) + + * xm-pa.h (USE_C_ALLOCA): Always define. + * xm-pahpux.h (USE_C_ALLOCA): Likewise. + + * x-pa (CC): Remove useless definition. + * xm-pa.h (HAVE_STRERROR): Define. + (__BSD_NET2__): Define. + +Wed Jul 26 09:10:25 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * expr.c (preexpand_calls): Don't look past a CLEANUP_POINT_EXPR. + +Wed Jul 26 08:43:42 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * cse.c (cse_insn): When do special handling for (set REG0 REG1), + must delete REG_EQUAL note from insn if it mentions REG0. + + * loop.c (find_and_verify_loops): When moving blocks of code, verify + that the just destination is not in an inner nested loop. + (mark_loop_jump): Don't mark label as loop exit if it jumps to + an inner nested loop. + +Wed Jul 26 08:40:31 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (do_include, read_name_map): Omit leading "./" and + trailing "/" when it makes sense. + (skip_redundant_dir_prefix): New function. + +Wed Jul 26 08:36:41 1995 Michael Meissner <meissner@cygnus.com> + + * stmt.c (emit_nop): Do not emit a nop if there is a single + insn before a label or at the start of a function. + +Wed Jul 26 08:21:21 1995 Doug Evans <dje@cygnus.com> + + * Makefile.in (gfloat.h): Delete previous copy before updating. + +Wed Jul 26 08:18:29 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * Makefile.in (STAGESTUFF): Add stamp-crtS. + (crtbeginS.o, crtendS.o, stamp-crtS): New rules; just like + crtbegin.o et al, but compiled using -fPIC. + * configure (*-*-gnu*): Add crtbeginS.o and crtendS.o to $extra_parts. + +Wed Jul 26 08:11:52 1995 Michael Gschwind <mike@java.vlsivie.tuwien.ac.at> + + * pdp11.md: Fixed typos ('bhos' -> 'bhis'). + +Wed Jul 26 08:05:41 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * hp320.h, m68k.h, m68kv4.h (LEGITIMATE_PIC_OPERAND_P): Reject + CONST_DOUBLE with MEM with invalid pic address. + * reload1.c (real.h): Include it. + * Makefile.in (reload1.o): Depends on real.h. + +Wed Jul 26 07:58:22 1995 Ian Lance Taylor <ian@cygnus.com> + + * gcc.c (MULTILIB_DIRS): Provide default if not defined. + (multilib_defaults): New static variable. + (default_arg): New static function. + (set_multilib_dir): Ignore default arguments. + (print_multilib_info): Ignore entries which use default arguments. + +Tue Jul 25 10:06:09 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (allocate_stack): Don't copy the LR register to + the new stack end. + * rs6000.c (rs6000_stack_info): Correctly store the LR in + the caller's frame, not the current frame, for V.4 calls. + * rs6000/eabi.asm (_save*, _rest*): Provide all mandated V.4 save + and restore functions, except for the save*_g functions which + return the GOT address. + +Fri Jul 21 14:24:25 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/eabi.h (__eabi): Load up r13 to be the small data + pointer, unless -mrelocatable. + + * rs6000/aix3newas.h (LINK_SPEC): Import machine independent + functions if -mcpu=common. + * rs6000/milli.exp: Import file referenced in aix3newas.h. + + * rs6000/eabi.asm (__eabi): Support for fixing up user initialized + pointers when -mrelocatable is used. + * rs6000/eabi.h (ASM_OUTPUT_INT): Record any pointers initialized + by the user if -mrelocatable, to be fixed up by __eabi. + (CONST_SECTION_ASM_OP): If -mrelocatable, put read-only stuff in .data, + not .rodata, to allow user initialized pointers to be updated by __eabi. + + * rs6000.h (TARGET_SWITCHES): Add -mdebug-{stack,arg}. + (TARGET_{ELF,NO_TOC,TOC}): Add defaults for non system V. + (rs6000_stack): New structure to describe stack layout. + (RS6000_{REG_SAVE,SAVE_AREA,VARARGS_*}): New macros used to + support both AIX and V.4 calling sequences. + (FP_ARG_*, GP_ARG_*): Ditto. + (FP_SAVE_INLINE): Ditto. + (STARTING_FRAME_OFFSET): Modify to support both AIX and V.4 + calling sequences. + (FIRST_PARM_OFFSET): Ditto. + (REG_PARM_STACK_SPACE): Ditto. + (STACK_POINTER_OFFSET): Ditto. + (FUNCTION_ARG_REGNO_P): Ditto. + ({,INIT_}CUMULATIVE_ARGS): Ditto. + (LEGITIMATE_LO_SUM_ADDRESS_P): Ditto. + (FUNCTION_ARG{,_ADVANCE,PARTIAL_NREGS,PASS_BY_REFERENCE}): Ditto. + (SETUP_INCOMING_VARARGS): Ditto. + (EXPAND_BUILTIN_SAVEREGS): Ditto. + (CAN_ELIMINATE): Ditto. + (INITIAL_ELIMINATION_OFFSET): Ditto. + (LEGITIMATE_CONSTANT_POOL_{BASE,ADDRESS}_P): Ditto. + (GO_IF_{LEGITIMATE_ADDRESS,MODE_DEPENDENT_ADDRESS}): Ditto. + (LEGITIMIZE_ADDRESS): Ditto. + (CONST_COSTS): Ditto. + (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Ditto. + (ASM_OUTPUT_REG_{PUSH,POP}): Use reg_names to print registers. + (function declarations): Add new rs6000.c function declarations, + and delete decls of deleted functions. + (SHIFT_COUNT_TRUNCATED): Parenthesize the expression. + + * rs6000.c (init_cumulative_args): New function to support AIX + and V.4 calling sequences. + (function_arg{,_advance,partial_nregs,pass_by_reference}): Ditto. + (setup_incoming_varargs): Ditto. + (expand_builtin_saveregs): Ditto. + (rs6000_stack_info): Ditto. + (debug_stack_info): Ditto. + (direct_return): Changes to support AIX and V.4 calling sequences. + (first_reg_to_save): Ditto. + (svr4_traceback): Ditto. + (output_{prolog,epilog}): Ditto. + (print_operand): Use reg_names to print registers. Add support + for V.4 HIGH/LO_SUM address modes. + (must_save_cr): Function deleted, in rewrite of AIX/V.4 calling + sequence support. + (rs6000_sa_size): Ditto. + (rs6000_pushes_stack): Ditto. + (output_toc): Add abort if no toc. + + * rs6000.md (call insns): Add a new argument to flag a V.4 + function needs to set bit 6 of the CR. + (elf_{low,high}): New V.4 functions to create addresses via HIGH + and LO_SUM patterns. + (movsi): Use elf_{low,high} if appropriate. + (mov{si,di}_update): Name these patterns for allocate_stack. + (allocate_stack): Support for V.4 stack layout. + (sync): New pattern for V.4 trampolines to issue the sync + instruction. + + * rs6000/sysv4.h (TARGET_SWTICHES): Add -mcall-{aix,sysv}, and + -mprototype. Remove separate flag bit for -mno-toc. + (SUBTARGET_OVERRIDE_OPTIONS): Don't test for -mno-toc. + (FP_ARG_*): Adjust for V.4 calling sequences. + (RS6000_*): Ditto. + (FP_SAVE_INLINE): Ditto. + (toc_section): Eliminate use of AIX style full TOC. + (TRAMPOLINE_{TEMPLATE,SIZE}): Redefine for V.4 support. + (INITIALIZE_TRAMPOLINE): Ditto. + + * rs6000/eabi.h (CPP_SPEC): Define _CALL_SYSV or _CALL_AIX, + depending on whether -mcall-sysv or -mcall-aix was used. + * rs6000/eabile.h (CPP_SPEC): Ditto. + * rs6000/sysv4le.h (CPP_SPEC): Ditto. + + * rs6000/t-eabigas (MULTILIB_{OPTIONS,DIRNAMES}): Delete no-toc + libraries, explicit big endian libraries. + * rs6000/t-ppcgas (MULTILIB_{OPTIONS,DIRNAMES}): Ditto. + + * rs6000/t-eabiaix: New file for eabi, using -mcall-aix as the + default. + * rs6000/eabiaix.h: Ditto. + + * rs6000/t-eabilegas: New file for eabi on little endian systems. + * rs6000/t-ppclegas: New file for V.4 on little endian systems. + + * rs6000/t-rs6000 (MULTILIB_{OPTIONS,DIRNAMES}): Build libgcc.a + for -mcpu=common. + + * configure (powerpc-*-eabiaix): New configuration for defaulting + to old-style AIX calling sequence. + (powerpcle*): Use new t-{eabi,ppc}legas files, to avoid building + explicit little endian multilib libraries. + +Fri Jul 21 13:23:06 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * toplev.c (main): Don't define sbrk #ifdef __alpha__. + +Tue Jul 18 19:23:44 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (do_include): Prefix -H output lines with spaces, not dots. + (output_dots): Remove. + + * cccp.c (main): cplusplus_comments now defaults to 1. + But clear it if -traditional or the new option -lang-c89 is given. + * gcc.c (default_compilers, cpp): Specify -lang-c89 if -ansi is given. + This turns off C++ comment recognition. + +Tue Jul 18 19:16:38 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * va-sparc.h (va_arg): Add support for 128 bit long double type. + +Tue Jul 18 19:11:18 1995 Jorn Rennecke (amylaar@meolyon.hanse.de) + + * c-common.c (decl_attributes, case A_ALIGNED): Handle is_type + case properly. + +Tue Jul 18 19:03:02 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (fold, case CONVERT_EXPR): Don't merge conversions + if outer is to handle a type with differing precision. + +Mon Jul 17 14:37:35 1995 Pat Rankin (rankin@eql.caltech.edu) + + * vax/vms.h (HAVE_ATEXIT): Define. + (DO_GLOBAL_CTORS_BODY): Don't call atexit; let __do_global_ctors do it. + * vax/xm-vms.h (HAVE_VPRINTF): Define. + +Mon Jul 17 06:41:19 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c ({unsigned,signed}_type): Handle intXX_type_node types. + + * xm-alpha.h (sbrk): Add declaration. + + * convert.c (convert_to_integer): If TYPE is a enumeral type or + if its precision is not the same as the size of its mode, + convert in two steps. + + * m68k.md (tstdi, cmpdi): Use match_scratch, not match_operand. + +Fri Jul 14 19:23:42 1995 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * c-decl.c (field_decl_cmp): Rewritten to make sure that a null + name always sorts low against other names. + * c-typeck.c (lookup_field): Change name comparison to match what + field_decl_cmp does. + +Fri Jul 14 18:46:24 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (movsi): Convert a CONST_DOUBLE into a CONST_INT of + the low part. + +Fri Jul 14 18:30:52 1995 Doug Evans <dje@cygnus.com> + + * toplev.c (main): Reword dwarf/c++/-g warning. + +Fri Jul 14 18:19:34 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.h (NO_DEFER_POP): Remove last change. + * expr.c (stor_expr): Force stack adjust before NO_DEFER_POP. + (expand_expr, case COND_EXPR): Likewise. + * stmt.c (expand_start_stmt_expr): Likewise. + +Fri Jul 14 07:58:35 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * function.c (struct temp_slot): New fields base_offset, full_size. + (assign_stack_temp): For !FRAME_GROWS_DOWNWARD, set p->size to size. + Set new fields base_offset and full_size. + (combine_temp_slots): Use new fields base_offset and full_size instead + of slot and size. + + * loop.c (loop_number_exit_count): New global variable. + (loop_optimize): Allocate space for it. + (find_and_verify_loops, mark_loop_jump): Set it. + (strength_reduce, check_dbra_loop): Use loop_number_exit_count + instead of loop_number_exit_labels. + * loop.h (loop_number_exit_count): Declare it. + * unroll.c (find_splittable_{regs,givs}, final_[bg]iv_value): Use + loop_number_exit_count instead of loop_number_exit_labels. + (reg_dead_after_loop): Check loop_number_exit_count, and fail + if the count doesn't match loop_number_exit_labels. + + * cse.c (cse_insn): Ifdef out code that pre-truncates src_folded. + + * sparc.md (sethi_di_sp64): Return null string at end. + + * function.h (struct function): Add stdarg field. + * function.c (current_function_stdarg): New global variable. + (push_function_context_to): Save it. + (pop_function_context_from): Restore it. + (assign_parms): Set it. + (init_function_start): Clear it. + * output.h (current_function_stdarg): Declare it. + * i960.md: Modify all patterns which handle stores to memory to also + check current_function_varargs and current_function_stdarg. + + * reorg.c (fill_simple_delay_slots): When trying to take instruction + from after the branch, don't continue past target label. Local + variables passed_label and target_uses are no longer necessary. + +Thu Jul 13 19:30:04 1995 Jeff Law (law@snake.cs.utah.edu) + + * pa.c (output_bb): Fix error in long backwards branch with + nullified delay slot. + +Thu Jul 13 19:26:13 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * expmed.c (SHIFT_COUNT_TRUNCATED): Use #ifdef not #if. + +Mon Jul 10 20:16:44 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): Don't address outside of array when + preprocessing C++ comments. + +Mon Jul 10 20:05:46 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (expand_block_move): Remove #if 0 conditionals + against using larger block moves. + + * t-rs6000 (EXTRA_PARTS): Copy milli.exp to release dir. + (milli.exp): Copy to build dir from machine dependend dir. + +Mon Jul 10 20:03:29 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.md (matcher for (shiftable_op (cond-exp) (reg))): If + shiftable_op is minus, then subtract from zero when cond fails. + +Mon Jul 10 19:58:26 1995 John F. Carr <jfc@mit.edu> + + * sparc.h (SELECT_SECTION): Use TREE_CODE_CLASS instead of directly + referencing tree_code_type. + +Mon Jul 10 19:54:31 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * protoize.c (reverse_def_dec_list): Delete const qualifiers from + local variables, and delete casts which were casting away const. + +Mon Jul 10 19:14:39 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-lang.c (finish_file): Add missing parm to start_function call. + + * jump.c (jump_optimize): Pass outer_code arg to rtx_cost. + + * varasm.c (assemble_name, bc_assemble_integer): Call + bc_emit_labelref with proper args. + + * function.c (setjmp_args_warning): Remove bogus arg. + +Mon Jul 10 18:20:54 1995 Fergus Henderson (fjh@cs.mu.oz.au) + + * gcc.c (p{fatal,error}_with_name, perror_exec): Quote filename. + +Mon Jul 10 18:12:51 1995 Gran Uddeborg (uddeborg@carmen.se) + + * i386/iscdbx.h (STARTFILE_SPEC): Handle -Xp. + +Wed Jul 5 02:42:17 1995 Per Bothner (bothner@spiff.gnu.ai.mit.edu) + + * cpphash.h (enum node_type): Remove unneeded and non-standard + forward declaration. + +Sat Jul 1 20:15:39 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * mips/t-mips, mips/t-mips-gas (MULTILIB_*, LIBGCC, INSTALL_LIBGCC): + Delete. + + * sparc/sol2.h (LINK_SPEC): Revert March 16 change. Do not add -R + for each -L. + + * collect2.c (libcompare): Verify that file name extensions are valid. + Put files with invalid extensions last in the sort. + + * integrate.c (integrate_decl_tree): Set DECL_ABTRACT_ORIGIN before + pushdecl call for local variables. + +Sat Jul 1 08:13:38 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * cpplib.c (output_line_command): If not emitting #line directives + delay returning until after adjust_position has been called. + + * arm.md (mov{si,sf,df}cc): Call gen_compare_reg to generate + the condition code register. + +Sat Jul 1 06:55:09 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (decode_field_reference): New parm PAND_MASK. + (unextend): New parm MASK. + (fold_truthop): Pass new parms to decode_field_reference and unextend. + + * va-alpha.h (__va_tsize): Use __extension__ to avoid warning + on use of `long long'. + + * expr.h (NO_DEFER_POP): Do any pending stack adjusts. + + * recog.c (register_operand): Disallow subreg of reg not allowed to + change size. + +Thu Jun 29 05:51:57 1995 Jeff Law (law@snake.cs.utah.edu) + + * pa.md (reload addsi3): New pattern to avoid reload lossage + with register eliminations. + + * pa.c (output_cbranch): When checking for a jump to the given + insn's delay slot, handle the case where JUMP_LABEL for the + given insn does not point to the first label in a series of + labels. + (output_bb, output_dbra, output_movb): Likewise. + +Wed Jun 28 18:04:56 1995 Jeff Law (law@snake.cs.utah.edu) + + * pa.h (PIC_OFFEST_TABLE_REGNUM_SAVED): Define to %r4. + (CONDITIONAL_REGISTER_USAGE): Make it fixed when compiling + PIC code. + (INIT_EXPANDERS): Delete. + * pa.c (hppa_save_pic_table_rtx): Delete variable. + (hppa_expand_prologue): For PIC generation, copy the PIC + register into a fixed callee register at the end of the + prologue of non-leaf functions. + * pa.md (call expanders): Reload the PIC register from the + fixed callee saved register. Don't try to save the PIC + register before the call. + +Wed Jun 28 18:01:14 1995 Stan Cox (coxs@dg-rtp.dg.com) + + * m88k/dguxbcs.h (ASM_SPEC): Removed -h flag. + * m88k/dgux.h (ASM_SPEC): Likewise. + +Wed Jun 28 17:01:58 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c (processor_target_table): Remove CPU name synonyms. + * rs6000.h (CPP_SPEC): Likewise. + * rs6000/sysv4.h (CPP_SPEC): Likewise. + (ASM_SPEC): Likewise. + * rs6000/sysv4le.h (CPP_SPEC): Likewise. + * rs6000/eabile.h (CPP_SPEC): Likewise. + * rs6000/powerpc.h (CPP_SPEC): Likewise. + (ASM_SPEC): Set assembler target according to compiler target. + * rs6000/aix3newas.h (CPP_SPEC): Likewise. + (ASM_SPEC): Likewise. + * rs6000/aix41.h (CPP_SPEC): Likewise. + (ASM_SPEC): Likewise. + +Wed Jun 28 16:25:53 1995 Gran Uddeborg (uddeborg@carmen.se) + + * i386/x-isc3 (INSTALL_HEADERS_DIR): Delete; done by configure. + +Wed Jun 28 16:10:47 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * xm-rs6000.h (alloca): Extern decl added for non-GNU compiler. + +Wed Jun 28 11:31:30 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cpplib.c (progname): Remove definition from here. + + * final.c (final_scan_insn): Fix error in last change. + + * rtlanal.c (reg_set_p_1): Now static; add extra parm. + + * stmt.c: Delete redundant forward decls. + (expand_anon_union_decl): Correctly call expand_decl. + + * toplev.c (strip_off_ending): Strip off any ending; don't + pretend we know what valid endings are. + + * svr4.h (ASM_OUTPUT_SECTION_NAME): Don't crash if DECL is null. + + * rs6000.md ({load,store}_multiple): Don't use indirect_operand + in define_insn; use explicit MEM of register_operand instead. + +Tue Jun 27 11:42:56 1995 Stephen L Moshier <moshier@world.std.com> + + * i386/i386.c (print_operand, case `J'): Use jns for GE and js for + LT. + +Tue Jun 27 07:58:55 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * expr.c (expand_expr, TARGET_EXPR): Only use original_target + if !ignore. + +Tue Jun 27 07:27:26 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (fold_truthop): Commute unextend and convert on + l_const and r_const. + + * c-common.c (decl_attributes, case A_CONSTRUCTOR, A_DESTRUCTOR): + Set TREE_USED. + + * final.c (final_scan_insn): Don't call alter_cond unless + condition is on cc0. + + * stmt.c (expand_asm_operands): Handle input operands that may not + be in a register. + +Mon Jun 26 19:23:05 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm/lib1funcs.asm (L_dvmd_tls): Renamed from L_divmodsi_tools. + * arm/t-semi (LIB1ASMFUNCS): Rename _dvmd_tls from _divmodsi_tools. + +Mon Jun 26 19:18:06 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * unroll.c (find_splittable_regs): When completely unrolling loop, + check for non-invariant initial biv values. + +Mon Jun 26 19:13:54 1995 Gran Uddeborg <uddeborg@carmen.se> + + * configure (i[345]86-*-isc*): Fix misspelled "rfile" to "ifile". + +Mon Jun 26 18:58:22 1995 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_expr, case COND_EXPR): Protect the condition from + being evaluated more than once. + (do_jump, case TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR): Likewise. + +Mon Jun 26 18:52:36 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * fixincludes (string.h): Fix return value for mem{ccpy,chr,cpy,set} + and str{len,spn,cspn} on sysV68. + +Mon Jun 26 06:54:50 1995 Michael Meissner (meissner@cygnus.com) + + * i386/osfrose.h (LONG_DOUBLE_TYPE_SIZE): Go back to making long + double == double. + +Thu Jun 22 19:14:41 1995 Pat Rankin (rankin@eql.caltech.edu) + + * make-cc1.com (if DO_LINK): Skip c-parse.* processing when + only relinking. + (gas_message): Update to reflect current version, and give + a different message if/when no version of gas is found.xo + +Thu Jun 22 18:52:37 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm/lib1funcs.asm (___modsi3): Correctly set SIGN register for + modulo involving negative numbers. + +Thu Jun 22 18:32:27 1995 Uwe Seimet (seimet@chemie.uni-kl.de) + + * xm-atari.h (HZ): Now 100 and don't define if already defined. + +Thu Jun 22 18:26:12 1995 Jeffrey A Law (law@snake.cs.utah.edu) + + * calls.c (expand_call): Correctly handle returning BLKmode + structures in registers when the size of the structure is not + a multiple of word_size. + * stmt.c (expand_return): Likewise. + + * pa-gux7.h (LIB_SPEC): Undefine before redefining. + * pa-hpux.h (LIB_SPEC): Likewise. + * pa-hpux7.h (LIB_SPEC): Likewise. + + * genmultilib: Work around hpux8 /bin/sh case bug. + + * pa.h (LIB_SPEC): Define to avoid -lg. + +Thu Jun 22 18:19:09 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * expr.c (expand_expr, TARGET_EXPR): Use original_target. + + * collect2.c (locatelib): Fix parsing of LD_LIBRARY_PATH. + +Thu Jun 22 18:15:54 1995 Paul Eggert <eggert@twinsun.com> + + * configure: Create an empty Makefile.sed first, to work + around a Nextstep 3.3 bug. + +Thu Jun 22 18:03:44 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Makefile.in (STAGESTUFF): Add stamp-crt. + (crtbegin.o, crtend.o): Now depend on stamp-crt. + (stamp-crt): New rule, to actually build crt{begin,end}.o. + + * collect2.c (main): Unlink export_file before we return. + +Thu Jun 22 14:25:56 1995 Michael Meissner (meissner@cygnus.com) + + * rs6000.h (STRIP_NAME_ENCODING): Store NAME and strlen(NAME) into + local variables; cast result of alloca to avoid compiler warnings. + +Tue Jun 20 18:25:29 1995 Douglas Rupp (drupp@cs.washington.edu) + + * alpha/config-nt.sed, i386/config-nt.sed: Edit to add + a missing $(exeext) for CCCP. + +Tue Jun 20 18:18:00 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * protoize.c (default_include): Use name and two ints to be + compatible with definition of INCLUDE_DEFAULTS. + +Mon Jun 19 19:24:29 1995 Ted Lemon <mellon@toccata.fugue.com> + + * mips/netbsd.h (ASM_DECLARE_FUNCTION_NAME): Don't emit function label. + +Mon Jun 19 18:34:55 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * fixincludes: Don't define wchar_t under C++. + +Mon Jun 19 17:12:41 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (collect_expansion): Work around enum bug in vax + ultrix 4.3 pcc. + * tree.c (simple_cst_equal): Likewise. + +Mon Jun 19 16:53:00 1995 Douglas Rupp (drupp@cs.washington.edu) + + * winnt/spawnv.c: New file. + +Mon Jun 19 16:30:29 1995 Glenn Brown <glenn@mars.myri.com> + + * caller-save.c (save_call_clobbered_regs): If AUTO_INC_DEC, mark + register indicated by REG_INC notes as live so they will be saved. + +Mon Jun 19 16:21:12 1995 Jeffrey A Law (law@snake.cs.utah.edu) + + * pa.h (PRINT_OPERAND_ADDRESS, case LOW_SUM): Fix logic bug + in last change. + +Mon Jun 19 14:11:49 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * integrate.c (integrate_decl_tree): Only set DECL_ABSTRACT_ORIGIN + if the decl returned by pushdecl is the one we started with. + + * mips.h (current_function_name): Delete declaration. + (ASM_DECLARE_FUNCTION_NAME): Don't set current_function_name. + * gnu.h (ASM_DECLARE_FUNCTION_NAME): Likewise. + * mips.c (current_function_decl): Delete declaration. + (function_prologue): New variable fnname. Use it instead of + current_function_name. + (function_epilogue): Likewise. + +Mon Jun 19 13:13:15 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.h (ASM_OUTPUT_ASCII): Always reset line count when + starting new line. + + * scan-decls.c (scan_decls): Fix typo when resetting PREV_ID_START. + + * i386/config-nt.sed, alpha/config-nt.sed: Change version to 2.7.1. + +Mon Jun 19 13:06:14 1995 DJ Delorie (dj@delorie.com) + + * msdos/top.sed: Support new build variables. + * msdos/configur.bat: Make options.h and specs.h. + Change realclean to maintainer-clean. + +Fri Jun 16 06:54:03 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Version 2.7.0 Released. + + * obstack.c: Always enable this code for now. + + * alpha.c (alpha_builtin_saveregs): Use ptr_mode and conversions + when need so works for both OSF and NT. + * va-alpha.h (__va_tsize): Round to long long not long. + +Thu Jun 15 17:54:52 1995 Bdale Garbee <bdale@gag.com> + + * configure (a29k-*-coff): Synonym for a29k-*-udi. + +Thu Jun 15 17:51:21 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (assign_parms): Do all conversions in CONVERSION_INSNS. + +Thu Jun 15 17:36:49 1995 Michael Meissner <meissner@cygnus.com> + + * reg-stack.c (record_reg_life): Call record_reg_life_pat with 0 + for douse argument so that USE's created to mark variables within + blocks don't get marked as set. + +Thu Jun 15 06:28:15 1995 Dennis Glatting (dennisg@CyberSAFE.COM) + + * configure: Change one sed command to work around m68k-next bug. + +Wed Jun 14 22:14:39 1995 Jason Merrill <jason@deneb.cygnus.com> + + * collect2.c (main): Don't turn off auto_export because of -g. + (main): Ignore the argument to -o. + + * alpha.h (LINK_SPEC): Don't pass -init __main anymore. + * alpha/osf12.h (LINK_SPEC): Ditto. + * mips/iris5.h (LINK_SPEC): Ditto. + + * collect2.c (main): Place o_file after an initial .o (like crt0.o). + If we have LD_INIT_SWITCH, use init and fini functions for + executables, too. Specify the unique function names. + (write_c_file_stat): Fix the case of destructors but no constructors. + Don't include the generic-named functions for executables. + (write_c_file): If we have LD_INIT_SWITCH, always use + write_c_file_stat. + + * collect2.c (main): Also add _GLOBAL__D? to export list. + + * ginclude/iso646.h: Do nothing if compiled as C++. + +Wed Jun 14 17:39:10 1995 Roland McGrath (roland@gnu.ai.mit.edu) + + * c-common.c (format_char_info, case 'm'): Set type to void. + (check_format_info): If type is void, ignore operand. + +Wed Jun 14 17:04:10 1995 Paul F. Kunz (Paul_Kunz@SLAC.Stanford.EDU) + + * expr.c (expand_builtin_apply_args): Put back original + register save and restore order. + +Wed Jun 14 16:56:22 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/eabi.h (INVOKE__main): Define, so __eabi is called after + main's arguments are saved. + + * rs6000.c (output_prolog): Don't call __eabi here, let + compiler call it after the arguments to main are saved. + (output_{prolog,epilog}): Don't use functions under V.4 to save + and restore floating point registers. + +Wed Jun 14 16:52:12 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k/mot3300.h (PCC_BITFIELD_TYPE_MATTERS): Defined. + +Wed Jun 14 16:48:53 1995 Jerry Frain (jerry@tivoli.com) + + * Makefile.in (stage[1-4]): Correctly link `as', `ld', and `collect2'. + +Wed Jun 14 05:52:04 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * objc-act.c (hack_method_prototype): Set DECL_CONTEXT of parms. + + * expmed.c (emit_store_flag): Always set LAST. + + * c-decl.c (start_function): New parameter for attributes. + * c-tree.h (start_function): Likewise. + * c-lang.c (finish_file): Pass extra parm to start_function. + * objc-act.c (build_module_descriptor, really_start_method): Likewise. + * c-parse.in (fndef, nested_function, notype_nested_function): + Likewise. + + * function.c (assign_parms): Use convert_to_mode instead of + gen_lowpart when converting incoming parm. + +Tue Jun 13 19:10:32 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rs6000.md (decrement_and_branch): Finish last fix; update matching + constraint. + +Tue Jun 13 18:32:51 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * fold-const.c (fold): When converting a COND_EXPR to an ABS_EXPR, + get the types right for ABS_EXPR to work. + +Mon Jun 12 17:09:55 1995 Michael Tiemann (tiemann@axon.cygnus.com) + + * reorg.c (fill_simple_delay_slots): Set MAYBE_NEVER according to + code of TRIAL_DELAY, not TRIAL. + +Mon Jun 12 15:02:37 1995 Doug Evans <dje@cygnus.com> + + * configure: Restore code to make ld symlink if ! use_collect2. + + * gcc.c (link_command_spec): Undo patch of May 11. + -nostdlib implies -nostartfiles again. + * dsp16xx.h (CROSS_LINK_SPEC): Likewise. + * i386/freebsd.h (LINK_SPEC): Undo patch of May 24. + Don't pass "-e start" if nostdlib. + * i386/sun.h (LINK_SPEC): Likewise. + * m68k/sun2o4.h (LINK_SPEC): Likewise. + * m68k/sun3.h (LINK_SPEC): Likewise. + * m68k/vxm68k.h (LINK_SPEC): Likewise. + * mips/netbsd.h (LINK_SPEC): Likewise. + * config/netbsd.h (LINK_SPEC): Likewise. + * rs6000/mach.h (LINK_SPEC): Likewise. + * sparc.h (LINK_SPEC): Likewise. + * sparc/vxsparc.h (LINK_SPEC): Likewise. + + * gcc.c (link_command_spec): New argument -nodefaultlibs. + +Sun Jun 11 20:47:53 1995 Stephen L Moshier (moshier@world.std.com) + + * Makefile.in (fix-header.o): Depends on xsys-protos.h. + +Sun Jun 11 15:07:58 1995 Tim Carver (timc@ibeam.intel.com) + + * reload1.c (emit_reload_insns): Don't call HARD_REGNO_NREGS + on psuedo when clearing reg_last_reload_reg. + +Sun Jun 11 14:07:05 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md ({add,sub}di{_mem,3}): Patterns merged. + +Sun Jun 11 13:43:26 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * m68k.md (cmpdi matcher): Set cc_status before returning. + + * config/xm-freebsd.h (DONT_DECLARE_SYS_SIGLIST): Define. + +Sun Jun 11 13:38:49 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * fixincludes (math.h): Keep declaration of abs on HPUX. + +Sun Jun 11 12:31:42 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (variable_size): Do nothing if SIZE is constant. + + * stmt.c (expand_asm_operands): See if output operand permits + register. If not, mark output addressable, call expand_operand + on it, and give error if not MEM. + + * function.c (assign_parms): Handle promotions of both + passed and nominal modes separately and insert needed conversions. + (promoted_input_arg): Return 0 if nominal and passed modes differ. + + * stmt.c (all_cases_count, case INTEGER_TYPE): Fix typo in checking + for integer bounds. + +Sat Jun 10 08:55:25 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * libgcc2.c (_floatdidf): Correctly set float sizes. + + * c-decl.c (c_decode_option, case "-Wall"): Don't set extra_warnings. + + * Makefile.in (cpplib.o, fix-header.o): Update dependencies. + (cpperror.o, cppexp.o, cpphash.o): New rules, to show .h dependencies. + +Fri Jun 9 18:06:10 1995 Doug Evans <dje@canuck.cygnus.com> + + * cse.c (cse_basic_block): Fix test for whether block ends with a + barrier. Return next insn, not 0, if block ends in a barrier. + +Fri Jun 9 17:58:29 1995 Paul Eggert <eggert@twinsun.com> + + * fold-const.c (lshift_double): Replace `&' with `%' to fix typo. + ([lr]shift_double): Truncate shift count only if SHIFT_COUNT_TRUNCATED. + Remove unnecessary `count >= prec' test. + + * cexp.y (left_shift): Ignore integer overflow. + + * cexp.y (skip_evaluation): New variable. + (&&, ||, ?:): Increment it in unevaluated subexpressions. + (/, %, integer_overflow): Suppress diagnostics if skip_evaluation != 0. + (yyerror): Clear skip_evaluation. + +Fri Jun 9 17:49:05 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * m68k.md (tstdi): Rewrite. + +Fri Jun 9 17:28:55 1995 Per Bothner <bothner@cygnus.com> + + * scan-decls.c (scan_decls): Handle declarations with + multiple comma-separated declarators. + +Thu Jun 8 19:16:12 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.md (mov[sd]f expands): Don't allow fp constants in pseudos + when TARGET_SOFT_FLOAT. + +Thu Jun 8 19:11:43 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * expmed.c (store_split_bit_field): When adjust arg in + BYTES_BIT_ENDIAN case, use number of bits in arg for MEM operands + and BITS_PER_WORD for other operands. + (extract_fixed_bit_field): Undo last change. + + * unroll.c (verify_addresses): New function. + (find_splittable_givs): Use it instead of memory_address_p. + +Thu Jun 8 18:58:18 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * expmed.c (expand_divmod): Always check result of emit_store_flag. + +Thu Jun 8 12:02:34 1995 David D Zuhn (zoo@armadillo.com) + + * cpplib.c (cpp_push_buffer): Include filename in error message. + +Thu Jun 8 11:53:45 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (assign_parms): Don't call promote_mode on arg + unless PROMOTE_FUNCTION_ARGS defined. + + * rs6000.md (decrement_and_branch): Ensure label is operand 0. + + * rs6000.md (aux_truncdfsf2): New pattern. + (movsf): Use it instead of invalid SUBREG and truncdfsf2. + + * varasm.c (assemble_name): Disable warn_id_clash around + get_identifier call. + +Wed Jun 7 17:22:25 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * configure (gdb_needs_out_file_path): New variable. + (m68k-motorola-sysv): Set gdb_needs_out_file_path if not using gas. + (.gdbinit): If gdb_needs_out_file_path is set, add a 'dir' command + for $(out_file). + +Wed Jun 7 17:17:19 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * fold-const.c (fold): When folding `<' type nodes, make true_value + and false_value have correct types. + +Wed Jun 7 05:06:42 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * collect2.c (COFF scan_prog_file): Use the AIX duplicate entry. + +Tue Jun 6 18:43:09 1995 Jeffrey A Law (law@snake.cs.utah.edu) + + * pa.h (FUNCTION_ARG_CALLEE_COPIES): Define. + +Tue Jun 6 18:21:18 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_expr, case PLACEHOLDER_EXPR): Consider two types + identical if their TYPE_MAIN_VARIANTs are the same. + + * c-decl.c (start_decl): Set DECL_COMMON before calling + decl_attributes. + + * a29k.c (print_operands): Cast args to bcopy to char *. + + * c-decl.c (duplicate_decls): Don't clear DECL_CONTEXT of + new decl if it is a function. + +Tue Jun 6 17:57:44 1995 Eberhard Mattes (mattes@azu.informatik.uni-stuttgart.de) + + * gcc.c (do_spec_1, case 'g'): Handle %O as suffix if MKTEMP_EACH_FILE. + +Tue Jun 6 17:53:05 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (expand_block_move): Update source and destination pointers + inside the loop moving the bytes, not outside. + +Tue Jun 6 14:58:37 1995 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.h (CONDITIONAL_REGISTER_USAGE): Don't mark pic reg as fixed. + * m68k.c (finalize_pic): Emit USE insn at start and end of function. + +Tue Jun 6 13:46:57 1995 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * sh.c (print_operand): Check for annulled branches. + (output_movedouble): Handle SUBREG addresses. + (output_branch): Handle annulled branches. + (sh_expand_prologue): Correct number of saved registers for + varargs functions. + * sh.h: Add some comments. + * sh.md: Add some comments. Cleanup formatting. + (type attribute): Add pstore and call. + (return define_delay): Reorganize to make clearer. + (call/sfunc define_delay): Define. + (cbranch define_delay): Define to have annul-true delay slot. + (subsi3): Use arith_reg_operand for operand 2. + (shift patterns): Use const_int_operand instead of immediate_operand + for shift counts. + (push): Add pstore constraint case. + (movsi_i): Move t/z constraint pair to the front of the list. + (calli, call_valuei): Add "call" attribute. + +Mon Jun 5 19:23:13 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sched.c (attach_deaths): In last change, use find_reg_note instead + of find_regno_note. + +Mon Jun 5 19:17:31 1995 Tom Quiggle (quiggle@lovelace.engr.sgi.com) + + * mips/iris5.h (MACHINE_TYPE): Say "IRIX 5.x", not "5.0". + (NO_DOLLAR_IN_LABEL): Undefine. + * mips.h (sdb_begin_function_line): New declaration. + (PUT_SDB_FUNCTION_END): New definition. + +Mon Jun 5 18:56:10 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (expand_block_move): Don't do block moves where we clobber + fixed numbers of regs, instead move just 1-8 bytes at a time. + + * Makefile.in (STAGESTUFF): Copy files produced by -da and + -save-temps to the stage subdirectories. + +Mon Jun 5 08:18:46 1995 Torbjorn Granlund <tege@bozo.matematik.su.se> + + * combine.c (reg_dead_at_p): When scanning backwards, stop at BARRIER. + + * m68k.c (print_operand): Handle 'R' for registers. + * m68k.md (cmpdi): Rewrite to avoid bogus matching constraints. + + * optabs.c (expand_binop): In last change, don't defererence TARGET + if it is 0. + + * pa.md (movsicc): Use MATCH_DUP for operand 4 and 5. + +Mon Jun 5 08:14:56 1995 Jeffrey A Law (law@cs.utah.edu) + + * pa.c (hppa_encode_label): Allocate stuff on permanent_obstack + rather than via malloc. + + * c-common.c (decl_attributes): Fix typo in size passed to alloca. + +Mon Jun 5 08:10:55 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.md: Use "some_operand" for patterns valid only during + reload and meant to handle adding more PLUS operators during + register elimination. + +Mon Jun 5 07:31:53 1995 Stephen L Moshier (moshier@world.std.com) + + * cse.c (simplify_unary_operation, case FLOAT, UNSIGNED_FLOAT): + Truncate to requested mode. + +Sat Jun 3 22:08:51 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sched.c (attach_deaths): Don't add a REG_DEAD note if a REG_UNUSED + note is already present. + +Sat Jun 3 18:36:57 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * pa.h (hppa_builtin_saveregs): Add declaration. + +Sat Jun 3 18:11:26 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * Makefile.in (scan-decls.o): Depends on cpplib.h. + +Fri Jun 2 19:23:47 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * optabs.c (expand_binop): Don't use non-REG TARGET in 2-word case. + +Thu Jun 1 19:30:30 1995 Tor Egge (tegge@flipper.pvv.unit.no) + + * m88k.h (RETURN_POPS_ARGS): New argument. + * m88k/dolphin.ld: Added start of comment. + +Thu Jun 1 19:12:28 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (a29k-*-bsd*): Fix typo in last change. + +Thu Jun 1 18:51:53 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * expmed.c (extract_fixed_bit_field): For REG case, compute total_bits + from mode instead of assuming BITS_PER_WORD. + +Thu Jun 1 18:34:31 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (FIXED_R13): Default to 0. + ({FIXED,CALL_USED}_REGISTERS): Use FIXED_R13 for register 13. + * sysv4.h (FIXED_R13): Define to be 1. + +Wed May 31 20:57:26 1995 Torbjorn Granlund <tege@matematik.su.se> + + * m68k.md ([su]mulsi3_highpart): Pass correct number of arguments to + const_uint32_operand. + * m68k.c (const_uint32_operand): Reject negative numbers. + + * expmed.c (expand_mult_highpart): Use wide_op1 for all multiplies. + (expand_divmod): Undo Nov 12 change. Instead, add special case + for division by MIN_INT in signed TRUNC_DIV_EXPR case. + +Wed May 31 20:44:21 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (one_cmpldi2): New pattern. + ({a,l}shrdi{3,_const}): Allow 63 as shift count. + +Wed May 31 14:56:31 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * varasm.c (assemble_start_function, assemble_variable): + Make sure first_global_object_name is in permanent obstack. + + * reload1.c (alter_reg): Clean up setting of RTX_UNCHANGING_P + when making a MEM. + + * reorg.c (struct resources): New field unch_memory. + (CLEAR_RESOURCES, mark_target_live_regs, dbr_schedule): Clear it. + (mark_{referenced,set}_resources, redundant_insn): Set it. + (fill_simple_delay_slots): Likewise. + (resource_conflicts_p): Test it. + + * unroll.c (copy_loop_body): Fix typo in call to sets_cc0_p. + + * integrate.c (output_inline_function): Don't call expand_function_end. + + * calls.c (prepare_call_address): Only call use_reg on + static_chain_rtx if it is a REG. + + * configure (a29k-*-bsd*): Use t-a29k. + * t-a29k: New file. + * a29k/t-a29kbare (LIBGCC1_TEST): New null definition. + * a29k/t-vx29k (LIBGCC1_TEST): Likewise. + +Wed May 31 14:17:42 1995 Jeffrey A Law (law@snake.cs.utah.edu) + + * configure (hppa*-*-bsd*): Do not run fixincludes. + (hppa*-*-osf*): Likewise. + (hppa*-*-lites*): Likewise. + + * pa.h (PRINT_OPERAND_ADDRESS): Use "RR'" rather than "R'" for + symbolic addresses. + * pa.md (symbolic HIGH patterns): Likewise. + (symbolic LO_SUM pattern): Likewise. + +Wed May 31 14:11:53 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (all movstri recognizers): Eliminate updating the pointers. + * rs6000.c (expand_block_move): Don't pass argument of # bytes to + increment pointers by to movstrsi expanders. + + * rs6000.c (rs6000_override_options): Fix typo with -mstring handling. + + * rs6000.h (TARGET_SWITCHES): Set MASK_STRING_SET explicitly + if -mno-string, so that it can override the processor default. + +Wed May 31 07:31:53 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * c-common.c (truthvalue_conversion, BIT_AND_EXPR): Make sure that + the result has boolean_type_node. + +Tue May 30 19:03:21 1995 J.T. Conklin <jtc@cygnus.com> + + * stddef.h: Undefine _BSD_XXX_T_ if _GCC_XXX_T is defined on BSD + Net/2 derived systems. + +Tue May 30 08:17:37 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (decrement_and_branch_until_zero): Operand 0 constraint + changed from "+g" to "+d*am". + (similar anonymous HImode pattern): Likewise. + + * m68k.md (tstdi): Use tst/subx #0 instead of neg/negx. + Allow "a" and ">" for operand 0. + +Mon May 29 19:24:43 1995 Niklas Hallqvist (niklas@appli.se) + + * m68k.md (addsi_lshrsi_31): Use match_dup, not constraint "1", + for matching inputs. + +Mon May 29 12:39:58 1995 Allen Briggs <briggs@rrinc.com> + + * i386/isc.h ({STARTFILE,LIB,CPP}_SPEC): Handle -Xp like -posix. + * i386/x-isc3 (X_CFLAGS): Add -Xp. + +Mon May 29 12:28:41 1995 J.T. Conklin (jtc@cygnus.com) + + * configure (sparc-*-netbsd): Add missing asterisk at end. + +Mon May 29 08:55:48 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (recog_for_combine): New parm PADDED_SCRATCHES; set it. + (try_combine): Accumulate number of scratches and update max_scratch. + (simplify_set): Add extra parm to recog_for_combine. + + * romp.md (call): Put USE for r0 in CALL_INSN; call call_internal + to emit insn. + (call_internal): New name for anonymous call. + (call_value, call_value_internal): Likewise. + + * winnt/xm-winnt.h: Protect most definitions with #ifndef. + * alpha/xm-winnt.h: Include alpha/xm-alpha.h, then winnt/xm-winnt.h. + (POSIX): Undefine. + * xm-alpha.h: Don't include alloca.h for winnt. + +Sun May 28 18:34:01 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure: Make sed commands more uniform. + + * Makefile.in: Properly use $(srcdir) for files that have it + in their reference as a target of a rule. + (libgcc1.a): Add missing RANLIB_TEST use. + + * stmt.c (expand_computed_goto): Call do_pending_stack_adjust. + +Sun May 28 18:08:41 1995 Torbjorn Granlund <tege@mole.gnu.ai.mit.edu> + + * m68k.md (divmodhi4, udivmodhi4): Use "dmsK" for operand 2. + +Fri May 26 17:01:22 1995 Paul Eggert <eggert@twinsun.com> + + * fixincludes: Fix bogus recursive <stdlib.h> in NEWS-OS 4.0C. + +Fri May 26 08:02:14 1995 Michael Meissner (meissner@cygnus.com) + + * c-typeck.c (initializer_constant_valid_p): For the CONSTRUCTOR + case, if the type is a record, recurse, just like for unions. + +Thu May 25 07:56:14 1995 Paul Eggert <eggert@twinsun.com> + + * fixincludes: Add `sel', `tahoe', `r3000', `r4000' to the + list of pre-ANSI symbols that need to be surrounded with __ __. + Allow white space between `#' and `if' when looking for lines to patch. + + * objc/sarray.h (PRECOMPUTE_SELECTORS, struct soffset): + Use #ifdef __sparc__, not sparc. + + * m68k.md (addsi_lshrsi_31, ashldi_const, ashrdi_const, lshrdi_const): + Replace `mov' with `move'. + +Thu May 25 07:35:37 1995 Allen Briggs <briggs@rrinc.com> + + * libgcc2.c (L_eh, i386): Remove in-line comments in assembly + code--the '#' character is not valid for the SYSV as. + +Thu May 25 07:28:54 1995 Pat Rankin (rankin@eql.caltech.edu) + + * Makefile.in (BC_ALL): Restore it from May 22 change; vms uses it. + (STAGESTUFF): Use it. + +Thu May 25 07:11:56 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (alpha_emit_set_const): Don't call expand_binop for + other than add if SImode and can't create pseudos. + +Wed May 24 21:38:24 1995 Jim Wilson <wilson@cygnus.com> + + * sched.c (reemit_notes): New function. + (schedule_block): Call reemit_notes twice. Reorganize code for + handling SCHED_GROUP_P insns, so that reemit_notes works. + + * sh/sh.c (shiftcosts, genshifty_op): Add SH3 support. + * sh/sh.md (ashlsi3, lshrsi3): Add SH3 support. + (ashlsi3_d, ashrsi3_d, lshrsi3_d): New patterns for SH3. + (ashrsi2_31): Remove r/!r constraint. + +Wed May 24 17:00:47 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * tree.c (type_list_equal): Call simple_cst_equal before checking + types. + +Wed May 24 16:49:49 1995 Douglas Rupp (drupp@cs.washington.edu) + + * Makefile.in (libgcc2.a): Handle case of separate srcdir. + +Wed May 24 16:22:01 1995 Paul Eggert <eggert@twinsun.com> + + * configure: Define $(MAKE) if `make' doesn't. + +Wed May 24 15:50:51 1995 Doug Evans <dje@cygnus.com> + + * dsp16xx.h (CROSS_LINK_SPEC): ENDFILE_SPEC moved to -nostartfiles. + * i386/freebsd.h (LINK_SPEC): Don't pass "-e start" if nostartfiles + rather than nostdlib. + * i386/sun.h (LINK_SPEC): Likewise. + * m68k/sun2o4.h (LINK_SPEC): Likewise. + * m68k/sun3.h (LINK_SPEC): Likewise. + * m68k/vxm68k.h (LINK_SPEC): Likewise. + * mips/netbsd.h (LINK_SPEC): Likewise. + * config/netbsd.h (LINK_SPEC): Likewise. + * rs6000/mach.h (LINK_SPEC): Likewise. + * sparc.h (LINK_SPEC): Likewise. + * sparc/vxsparc.h (LINK_SPEC): Likewise. + + * m88k/m88k.h (FUNCTION_ARG_BOUNDARY): Use GET_MODE_BITSIZE. + +Wed May 24 15:44:04 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * fold-const.c (fold): Make sure that a folded TRUTH_NOT_EXPR + retains the same type. + + * c-common.c (truthvalue_conversion): Also accept TRUTH_NOT_EXPR. + +Wed May 24 15:41:51 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cplus-dem.c (strstr, strncmp, strlen): Remove declarations. + + * tree.c (type_list_equal, simple_cst_list_equal, index_type_equal): + Check for simple_cst_equal return value of -1. + +Wed May 24 10:05:24 1995 Michael Meissner <meissner@cygnus.com> + + * libgcc1-test.c (start, _start): Provide declarations, so that + the GNU linker doesn't give a warning message about defaulting the + start address. + + * rs6000/sysv4.h (STRIP_NAME_ENCODING): Redefine back to the + original defination, rather than the defination used in rs6000.h. + (ASM_OUTPUT_SOURCE_LINE): Use STRIP_NAME_ENCODING. + * rs6000.h (STRIP_NAME_ENCODING): Skip leading '*'. + + * rs6000.h (MASK_STRING_SET, TARGET_STRING_SET): Add target + flags bit for whether -mstring was actually used. + (TARGET_SWITCHES): Add MASK_STRING to all power targets. Set + MASK_STRING_SET for -mstring and -mno-string. + (TARGET_DEFAULT): Add MASK_STRING. + + * rs6000.c (rs6000_override_options): Add MASK_STRING to + all power targets. Make an explicit -mstring/-mno-string override + the -mcpu=processor default. + + * rs6000/eabile.h (CPP_SPEC): Copy from sysvle.h to provide the + appropriate little endian defaults. + + * rs6000/sysv4.h (ASM_OUTPUT_SOURCE_LINE): Use assemble_name to + output the canonical name. + +Wed May 24 01:21:15 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * rs6000.h (STRIP_NAME_ENCODING): Define. + (RS6000_OUTPUT_BASENAME): Use it. + +Tue May 23 19:54:21 1995 Doug Evans <dje@cygnus.com> + + * gcc.c (link_command_spec): Move ENDFILE_SPEC from -nostdlib + to -nostartfiles. + +Tue May 23 17:01:50 1995 Jim Wilson <wilson@cygnus.com> + + * alpha.md (negsi2-2): Change output pattern to #. + + * mips.c (embedded_pic_offset): Output RTL to initialize + embedded_pic_fnaddr_rtx. + (mips_finalize_pic): Delete. + * mips.h (mips_finalize_pic): Delete declaration. + (FINALIZE_PIC): Delete. + (INIT_EXPANDERS): Clear embedded_pic_fnaddr_rtx. + * mips.md (get_fnaddr): Add = to output contraint. + + * sh.c (shift_amounts): Correct entry for shifts by 29. + * sh.md (sett): New pattern. + (movsi_i): Change source constraint for move to T reg to be 'z'. + + * mips/ecoff.h (STARTFILE_SPEC): Define to null string. + * mips/elfl.h, mips/elfl64.h: Correct typo in comment. + + * mips/elflorion.h, mips/elforion.h (MIPS_CPU_DEFAULT): Delete. + * mips.c (override_options): Delete #ifdef MIPS_CPU_DEFAULT code. + Add #ifdef MIPS_CPU_DEFAULT_STRING code before the first + mips_cpu_string test. + +Tue May 23 07:22:36 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * romp.c (hash_rtx): Avoid warning on int-to-pointer conversion. + (output_fpops): Cast args to bcopy to char *. + + * cpplib.c (initialize_builtins): Add missing parm to timestamp call. + + * Makefile.in (install-libobjc): Don't depend on libobjc.a. + + * c-parse.in: Objc shift/reduce conflicts now 48. + (parm): Use setspecs/restore here. + (parmlist_or_identifiers): Not here. + +Mon May 22 19:30:30 1995 Doug Evans <dje@cygnus.com> + + * h8300.md (movsf_h8300h): Add missing post-inc case to constraints. + +Mon May 22 14:38:36 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (rs6000_override_options): Do SUBTARGET_OVERRIDE_OPTIONS + here. + * rs6000.h (OVERRIDE_OPTIONS): Not here. + + * rs6000.c (expand_block_move): Handle moves without string + instructions by generating a series of loads and stores. + (output_prolog): Support -mno-toc on V.4 and eabi systems. + + * rs6000/sysv4.h (TARGET_SWITCHES): Add -mtoc and -mno-toc. + (SUBTARGET_OVERRIDE_OPTIONS): Add some warnings for incompatible + switches. + (TOC_SECTION_FUNCTION): Make -mno-toc like -mrelocatable in that + we don't put the minimal toc pointer in the global toc section. + (LINK_SPEC): Use -oformat to set link output format, not -m. + + * rs6000/t-eabigas (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Build + libgcc.a variants with -mno-toc support. + * rs6000/t-ppcgas (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Ditto. + +Mon May 22 07:10:52 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cplus-dem.c (mystrstr): Replacement for strstr. + + * configure: Split up long sed command. + * Makefile.in (SYMLINK): Deleted; unused. + (oldobjext): Deleted; no longer used. + (FLAGS_TO_PASS): Include objext and exeext. + (STAGESTUFF, protoize.o, unprotoize.o): Use $(objext), not .o. + (test_protoize_simple, compare{,3}, gnucompare{,3}): Likewise. + (STAGESTUFF, specs, gcc-cross, collect2): Add missing $(exeext). + (libgcc1.null, libgcc[12].a, stage[1-4]): Likewise. + (xgcc, cc1, cc1obj, enquire): Use $@ instead of filename for -o value. + (collect2, mips-tfile, mips-tdump, gen*): Likewise. + (bi-arity, bi-opcode, bi-opname, cccp, cppmain): Likewise. + (protoize, unprotoize, gen-protos, fix-header): Likewise. + (crtbegin.o, crtend.o): Don't use -o; move output to proper + filename (using objext) instead. + (BI_ALL, BC_ALL, bytecode): Deleted; unused. + (bi-*.o, cexp.o, stamp-{proto,fixinc}): Remove unneeded $(srcdir). + (getopt{,1}.o, SYSCALLS.c.X): Likewise. + (install-driver): New target. + (install-normal): Depend on it. + (install-common): Don't depend on xgcc. + (maketest): Deleted; no longer used. + (stage[1-4]): Use name collect-ld, not real-ld. + (risky-stage[1-4]): Use stage[1-4] as dependencies; don't copy. + * alpha/config-nt.bat, i386/config-nt.bat: Make {,h,t}config.h + and tm.h by writing a single #include line. + Update way specs.h and options.h are written. + * alpha/config-nt.sed, i386/config-nt.sed: Set new variables + into Makefile. + Build winnt.obj. + Edit CCCP definition. + * alpha/x-winnt, i386/x-winnt (oldobjext): Deleted. + Add rules for .c.obj, .adb.obj, and .ads.obj. + (LIB2FUNCS_EXTRA, spawnv.o): New rules. + * i386/x-winnt (objext): Now .obj, not .o. + + * gcc.c (HAVE_OBJECT_SUFFIX): New macro. + (process_command): Convert x.o to x.foo for OBJECT_SUFFIX of ".foo". + (do_spec_1): Avoid shadow variable "i" and always use for loop var. + + * c-decl.c (finish_decl_top_level): Removed; no longer used. + * objc-act.c: Numerous formatting changes. + (NULLT): Deleted; all uses changed to NULL_TREE. + (get_{static,object}_reference, objc_add_static_instance): + Use push_obstacks instead of saving obstacks manually. + (build_{selector,class}_reference_decl): Likewise. + (build_objc_string_decl, build_protocol_reference): Likewise. + (comp_{method,proto}_with_proto): Likewise. + (create_builtin_decl, synth_module_prologue): Set DECL_ARTIFICIAL + for internal objects. + (build_{selector,class}_reference_decl, add_objc_decls): Likewise. + (generate_objc_symtab_decl, build_module_descriptor): Likewise. + (build_protocol_reference): Likewise. + (build_objc_string_decl, synch_forward_declarations): Likewise. + Delete call to end_temporary_allocation. + (generate_static_references, generate_strings): Likewise. + (build_selector_translation_table, generate_category): Likewise. + (generate_{ivars,protocol}_list, build_protocol_reference): Likewise. + (build_objc_string_object): If next_runtime, put everything in + permanent obstack. + (objc_add_static_instance): Use build_decl instead of start_decl + and finish_decl_top_level. + (build_{class_reference,objc_string}_decl): Clear DECL_CONTEXT. + (start_class): Exit with FATAL_EXIT_CODE, not 1. + (add_objc_decls): Don't set DECL_IN_SYSTEM_HEADER. + + * tree.c (valid_machine_attribute): Handle attribute on + pointer-to-function types. + +Sun May 21 17:16:37 1995 J. T. Conklin <jtc@cygnus.com> + + * mips/netbsd.h (HAVE_STRERROR): Remove. + * mips/xm-netbsd.h: New file. + * mips/t-mips-netbsd: Deleted. + * configure (mips-dec-netbsd): Use xm-netbsd.h and t-libc-ok. + +Sun May 21 17:16:37 1995 Arne H. Juul (arnej@pvv.unit.no) + + * mips/netbsd.h: Use __start as entry point. Ifdef some + paths on CROSS_COMPILE. + +Sun May 21 08:39:26 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in (datadef, fndef, ivar_decl, mydecls): + Restore declspec_stack since setspecs is used. + (parmlist_or_identifiers): Use setspecs before parsing parms + and restore after parsing parms. + +Sun May 21 01:04:52 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.c (hppa_encode_label): New variable "permanent" to + where/how memory is allocated for the new label. All + callers changed. + +Sat May 20 16:53:30 1995 Mike Meissner <meissner@cygnus.com> + + * rs6000.md (insv, extz): Fail if the structure is QI or HI reg to + avoid paradoxical subreg's being created in RTL phase, which uses + SImode to load from memory if structure is later moved to stack. + +Sat May 20 06:44:59 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (udivmodhi4): Output "divu" instead of "divs". + +Sat May 20 06:11:32 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (push_reload): Don't reload inside a SUBREG + when SUBREG_WORD is nonzero. + + * c-decl.c (shadow_tag_warned): Don't warn about useless keyword + if in system header file. + + * tree.c (simple_cst_equal): Don't look at language-specific + nodes since we don't know what's in them. + + * cpperror.c: #include config.h before any other .h file. + * collect2.c: Likewise. + + * i386/config-nt.bat: Add missing ^M on two lines. + Add case for Fortran; fix typo in Ada case. + * alpha/config-nt.bat: Add case for Fortran; fix typo in Ada case. + + * m68k/t-next (LIBGCC1, CROSS_LIBGCC1): Make not, not "libgcc1.null". + (OTHER_FIXINCLUDES_DIRS, LIMITS_H_TEST): Delete from here. + * m68k/x-next (OTHER_FIXINCLUDES_DIR, LIMITS_H_TEST): Move to here. + +Fri May 19 19:30:20 1995 Stan Cox (gcc@dg-rtp.dg.com) + + * crtstuff.c: Added reference to INIT_SECTION_PREAMBLE for systems that + do something which must be undone prior to __do_global_ctors. + +Fri May 19 19:27:08 1995 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au> + + * i386/linux-aout.h (CPP_SPEC): Add defines for -fPIC. + * i386/linux-oldld.h (CPP_SPEC): Likewise. + +Fri May 19 17:46:28 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * collect2.c (strstr): Deleted. + * cplus-dem.c (strstr): Define ifndef POSIX. + +Fri May 19 11:16:51 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * cpplib.c (collect_expansion): Don't escape '@' inside string. + +Fri May 19 06:59:21 1995 Pat Rankin (rankin@eql.caltech.edu) + + * vmsconfig.com (process_objc_lib, configure_makefile): New routines. + (bc_all.list, ./vax.md, objc-objs.opt, objc-hdrs.list): New files + created at config time. + (bc_all.opt, ./md.): No longer created. + * make-cc1.com: Handle revised filenames from vmsconfig.com; + (DO_OBJCLIB): New variable, plus code to compile objc/*.{c,m}. + +Wed May 17 16:15:31 1995 Torbjorn Granlund <tege@cygnus.com> + + * i960.c (i960_output_ldconst): New code for XFmode. + Also, move SFmode code to immediately after DFmode code. + (S_MODES, D_MODES): Handle XFmode. + (XF_MODES): Was TF_MODES, handle XFmode instead of TFmode. + (hard_regno_mode_ok): Replace TFmode with XFmode. + (i960_output_long_double): New function. + + * i960.h (DATA_ALIGNMENT): Define. + (ROUND_TYPE_ALIGN): Align XFmode scalars at 128 bit boundaries. + (ROUND_TYPE_SIZE): Round up the size of XFmode objects to 128 bits. + (CONST_DOUBLE_OK_FOR_LETTER_P): Use CONST0_RTX and CONST1_RTX + so that all FP modes are recognized. + (ASM_OUTPUT_LONG_DOUBLE): Define. + + * i960.md: Change all TFmode patterns to have XFmode. + (movxf recognizer, frame version): Use movt, ldt, and stt. + (movxf recognizer, non-frame version): Delete. + (extenddfxf2): Delete * before f constraint. + (extendsfxf2): Likewise. + +Wed May 17 17:53:35 1995 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * unroll.c (unroll_loop): Increment copy_start_luid if copy_start + is loop_start. + +Wed May 17 17:44:57 1995 Lee Iverson <leei@Canada.AI.SRI.COM> + + * fold-const.c (invert_truthvalue, case CLEANUP_POINT_EXPR): New case. + +Tue May 16 18:51:16 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/rs6000.h (TARGET_SWITCHES): Add -mstring to enable string + instructions, and -mno-string to disable them. + (MOVE_MAX): Don't test TARGET_MULTIPLE anymore. + (MAX_MOVE_MAX): Set to 8, not 16. + (expand_block_move): Add declaration. + + * rs6000/rs6000.c (expand_block_move): New function to expand + block moves when -mstring is used. + + * rs6000/rs6000.md (movti): Use TARGET_STRING, not TARGET_MULTIPLE. + (load_multiple, store_multiple): Ditto. + (string insns): Add 8, 6, 4, 2, and 1 register variants for using + the native string instructions if -mstring. + + * rs6000/sysv4.h (CPP_SPEC): If little endian, define + _LITTLE_ENDIAN and set littleendian assertion. If big endian, + define _BIG_ENDIAN and set bigendian assertion. + * rs6000/sysv4le.h (CPP_SPEC): Copy from sysv4.h, and change + default to little endian. + + * rs6000/rs6000.c (override_options): Check for -mmultiple and + -mstring on little endian systems here. + * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't do the check + here. + +Tue May 16 18:36:41 1995 Douglas Rupp (drupp@cs.washington.edu) + + * alpha.c: Changed WINNT to _WIN32. + * alpha/config-nt.bat, i386/config-nt.bat: Added commands to + generate specs.h and options.h. + * i386/config-nt.sed: Changed link32 to link. + * winnt/ld.c (main): Removed call to free. + * configure.bat: Added line to echo usage on invalid input. + * gcc.c (fix_argv): Removed call to free. + * gcc.c, getpwd.c, protoize.c, sdbout.c: Changed WINNT to _WIN32. + * toplev.c: Likewise. + +Tue May 16 18:04:47 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * toplev.c (pfatal_with_name, fatal_io_error, vfatal): + Use FATAL_EXIT_CODE instead of magic number. + * cccp.c, cpplib.c, cpplib.h: Use FATAL_EXIT_CODE instead + of FAILURE_EXIT_CODE. + * fix-header.c, gen-protos.c: Likewise. + * cpperror.c, cppmain.c: Likewise. + Include config.h #ifndef EMACS. + * xm-alpha.h, xm-rs6000.h, xm-vms.h (FAILURE_EXIT_CODE): Remove. + +Tue May 16 17:46:57 1995 Adam Fedor <fedor@colorado.edu> + + * objc/archive.c (__objc_write_class): Write class version. + (__objc_write_selector, objc_{write,read}_selector): Handle null + selector. + + * objc/sarray.h (struct sarray): Make capacity size_t. + * objc/sarray.c (sarray_realloc): Make array index variables size_t. + +Tue May 16 06:59:08 1995 Paul Eggert <eggert@twinsun.com> + + * dsp16xx.c (print_operand_address): Fix misspellings in messages. + * i370/mvs.h (FUNCTION_PROFILER): Likewise. + * mips-tdump.c (type_to_string): Likewise. + * print-tree.c (print_node): Likewise. + + * protoize.c (edit_fn_definition): Fix mispelled local `have_flotsam'. + + * objc/sendmsg.c (__objc_init_install_dtable): Fix misspelling + in name of local label `already_initialized'. + + * winnt/winnt.h (STDC_VALUE): Was misspelled. + + * m68k/ccur-GAS.h (FUNCTION_BOUNDARY): Was misspelled. + + * 1750a.h (DEFAULT_PCC_STRUCT_RETURN): Was misspelled. + +Mon May 15 23:41:25 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Make sure to encode section + info for all libcalls. + +Mon May 15 20:58:00 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * collect2.c (strstr): Define ifndef POSIX. + + * defaults.h (SUPPORTS_WEAK): Provide default. + * aoutos.h, sparc/sunos4.h: Don't support weak symbols. + * netbsd.h, svr4.h, i386/freebsd.h, i386/osfrose.h, + m88k/m88k.h: Define ASM_WEAKEN_LABEL instead of WEAK_ASM_OP. + * c-pragma.h: Check ASM_WEAKEN_LABEL instead of WEAK_ASM_OP. + HANDLE_PRAGMA_WEAK is never defined in a tm.h file. + * c-decl.c (duplicate_decls): Propagate DECL_WEAK. + * tree.h (DECL_WEAK): New macro. + (tree_decl): Add weak_flag. + * varasm.c (assemble_start_function): Declare the symbol weak if + appropriate. + (assemble_variable): Ditto. + (assemble_alias): Ditto. Mark the decl as written. + (declare_weak): Check for weak declaration after definition. + Set DECL_WEAK. + (weak_finish): Use ASM_WEAKEN_LABEL. + * libgcc2.c: The C++ free-store management functions are weak + aliases on targets that always support them. + +Mon May 15 19:01:43 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (out_object_file): New variable; put value in Makefile. + * Makefile.in (out_object_file): Use in place of aux-output.o. + + * fold-const.c (const_binop): Don't pass OVERFLOW to force_fit_type + if type is unsigned. + +Mon May 15 18:48:26 1995 Paul Eggert <eggert@twinsun.com> + + * install.sh (transformbasename): Fix misspelling. + + * tahoe.h (CHECK_FLOAT_VALUE): Fix misspelling of OVERFLOW parameter. + + * i386.h (VALID_MACHINE_{DECL,TYPE_ATTRIBUTE): Fix typo. + + * fx80.h (CHECK_FLOAT_VALUE): Fix misspelled use of parameter. + + * a29k.c (spec_reg_operand): Fix misspelling of `default:'. + +Mon May 15 18:36:41 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (b{eq,ne,ge,lt}0_di): Fixed for non-MOTOROLA syntax. + * m68k/xm-mot3300.h (alloca): Extern decl added for non-GNU compiler. + +Mon May 15 13:14:29 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * cppexp.c (cpp_reader): Test for '#' (start of assertion) *after* + skipping hspace, not before. + +Mon May 15 08:13:54 1995 Pat Rankin (rankin@eql.caltech.edu) + + * vmsconfig.com: Construct options.h and specs.h to #include + all "*/lang-{options|specs}.h" files found. + +Sun May 14 21:32:49 1995 Doug Evans <dje@cygnus.com> + + * alpha/alpha.md (movsicc, case NE): Don't generate unrecognizable + insn. + (movdicc, case NE): Likewise. + +Sun May 14 15:44:54 1995 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * unroll.c (unroll_loop): Make local_regno have size + max_reg_before_loop. Don't do local register optimization if + copy_end has no INSN_LUID. + +Sun May 14 10:38:23 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * objc-act.c (start_method_def): Mark _self as possibly unused. + + * configure: Create specs.h and options.h from */lang-specs.h + and */lang-options.h. + Set lang_specs_files and lang_options_file variables in Makefile. + * Makefile.in (lang_{specs,options}_files): New variables. + (gcc.o): Depends on $(lang_specs_files). + (toplev.o): Depends on $(lang_options_file); merge two dep lists. + (distclean): Remove spes.h and options. + * gcc.c (default_compilers): Remove entries for Ada, C++, Chill, + and Fortran; #include specs.h instead. + * toplev.c (lang_options): Remove entries for Ada, C++, and Fortran; + include options.h instead. + +Sat May 13 23:11:21 1995 DJ Delorie <dj@delorie.com> + + * configure (i[345]86-go32-msdos, i[345]86-*-go32): New targets. + +Sat May 13 10:58:38 1995 Jim Wilson <wilson@cygnus.com> + + * loop.c (record_giv): When computing replaceable, use + back_branch_in_range_p instead of looking for branches to named + labels. + * loop.h (back_branch_in_range_p): Declare. + * unroll.c (back_branch_in_range_p): No longer static. + +Sat May 13 06:47:11 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (simplify_shift_count, case LSHIFTRT): Don't merge + shifts of different modes if first is any right shift. + +Sat May 13 05:39:09 1995 Richard Earnshaw (rearnsha@armltd.co.uk) + + * configure (arm-semi-aout): New configuration. + * config.sub: Add support for semi-hosted ARM. + * arm/t-semi, arm/semi.h: New files. + +Fri May 12 21:51:22 1995 Doug Evans <dje@cygnus.com> + + * flow.c (find_basic_blocks): Only perform n_basic_blocks sanity + check on first pass, and on second pass ensure it has the correct + value. + +Fri May 12 19:23:11 1995 Jim Wilson <wilson@cygnus.com> + + * c-typeck.c (build_binary_op): Warn when ~unsigned is compared + against unsigned, and type promotions result in an unexpected + answer. + +Fri May 12 19:10:21 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * configure (*-*-gnu*): Always use ELF; set tm_file=${cpu_type}/gnu.h. + * config/i386/gnu.h: Contents replaced with old i386/gnuelf.h. + * config/i386/gnuelf.h: File removed. + +Fri May 12 17:29:57 1995 Ken Raeburn (raeburn@cygnus.com) + + * m68k/lb1sf68.asm (__IMMEDIATE_PREFIX__): Default to #. + (IMM): New macro. + (all code): Use IMM macro instead of hardcoding # for immediate + operands. + +Fri May 12 16:52:10 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.c (output_scc_di): New function. + (extend_operator) : Allow DImode target. + * m68k.h (HARD_REGNO_MODE_OK): Don't allow d7/a0 as DImode reg pair. + * m68k.md (tstdi, cmpdi, addsi_lshrsi_31, ashldi_extsi): New patterns. + (extendqidi2, extendhidi2, extendsidi2): Allow "general_operand" + instead of "register_operand" 0. + (adddid_sexthishl32, subdid_sexthishl32, subdi_dishl32): Likewise. + (adddi_dilshr32): Operand 0 constraint changed from "ro" to "do"; + Code generation fixed. + (adddi_mem, subdi_mem): Fixed for "<" and ">" operand 0. + (adddi3, subdi3): Operand 2 constraint changed from "ao" to "*ao" + (ashldi_sexthi, ashrdi_const32): Allow only "register_operand" + instead of "general_operand" 0. + (ash[lr]di_const, ash[lr]di3): Allow also 8 and 16 as shift count. + (subreg1ashrdi_const32): Pattern deleted. + (subreghi1ashrdi_const32, subregsi1ashrdi_const32): New pattern. + (lshrsi_31): New implementation. + (scc0_di, scc_di, beq0_di, bne0_di, bge0_di, blt0_di): New patterns. + +Fri May 12 16:50:49 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.md (bb patterns): Fix bugs in length computation exposed by + recent branch shortening and genattrtab changes. + +Fri May 12 16:22:27 1995 Ken Raeburn <raeburn@cygnus.com> + + * cccp.c (enum node_type): Add T_IMMEDIATE_PREFIX_TYPE. + (special_symbol): Handle it; emit value of IMMEDIATE_PREFIX. + (IMMEDIATE_PREFIX): Default to empty string. + (initialize_builtins): Install __IMMEDIATE_PREFIX__ builtin, + parallel to __REGISTER_PREFIX__. + +Fri May 12 14:40:03 1995 Pat Rankin (rankin@eql.caltech.edu) + + * cccp.c: #if VMS, don't define `stat' macro to be VMS_stat. + Compare enums explicitly to 0 to work around VAX C bug. + (do_include): Cast alloca's value. + + * make-cc1.com (bc_loop): Process comma-separated list rather + than space-separated one; restore .h suffix stripped by vmsconfig; + (loop1): More robust handling of directory prefix on file names. + * vmsconfig.com (TPU makefile.in): Reorganize and reformat code. + Make generated .opt files have more consistent format (all comma + separated, excess whitespace eliminated); + (additional_compiler): New routine. + (process_makefile): Use it to handle cc1plus via cp/Make-lang.in. + +Fri May 12 13:35:07 1995 Doug Evans <dje@cygnus.com> + + * arm.h: Replace ARM_REG_PREFIX with REGISTER_PREFIX. + Replace ARM_COMMENT_CHAR with ASM_COMMENT_START. + (REGISTER_PREFIX): Define. + (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX): Define. + (SECONDARY_OUTPUT_RELOAD_CLASS): Handle DFmodes only if + TARGET_HARD_FLOAT. + (PREDICATE_CODES): Add soft_df_operand. + * arm.c: Replace ARM_REG_PREFIX with REGISTER_PREFIX. + Replace ARM_COMMENT_CHAR with ASM_COMMENT_START. + (arm_asm_output_label): Use USER_LABEL_PREFIX. + (soft_df_operand): New function. + * arm.md (movsicc): New pattern. + (movsfcc, movdfcc, *movsicc_insn, *movsfcc_hard_insn): Likewise. + (*movsfcc_soft_insn, *movdfcc_insn): Likewise. + (*movdf_soft_insn): Rewrite. + (movsi matcher): Fix typo in type attribute. + +Fri May 12 10:25:40 1995 Michael Meissner (meissner@cygnus.com) + + * i386.h (TARGET_RTD): Use MASK_RTD, not MASK_REGPARM. + (TARGET_SWITCHES): Add -m{,no-}align-double switch. + (TARGET_OPTIONS): Add -mregparm= switch to set number of registers + to use for passing arguments. Add -malign-loops= switch to set + the alignment for loops. Add -malign-jumps= switch to set the + alignment for code that is jumped to. Add -malign-functions= + switch to set the initial alignment of functions. + (TARGET_REGPARM): Delete, in favor of -mregparm= + (TARGET_SWITCHES): Delete -mregparm, add -mdebug-arg switches. + (RETURN_POPS_ARGS): Call i386_return_pops_args to do the real work. + (VALID_MACHINE_DECL_ATTRIBUTE): Define as function call. + (VALID_MACHINE_TYPE_ATTRIBUTE): Define as function call. + (COMP_TYPE_ATTRIBUTES): Define as function call. + (REGPARM_MAX): Maximum number of regs to use for passing arguments. + (CUMULATIVE_ARGS): Make this a structure, not an int. + (INIT_CUMULATIVE_ARGS, FUNCTION_ARG{,_ADVANCE}): Call function. + (FUNCTION_ARG_PARTIAL_NREGS): Likewise. + (MAX_CODE_ALIGN): Maximum value to align loops/jumps to. + (BIGGEST_ALIGNMENT): Return 64 if -malign-double, 32 otherwise. + (ASM_OUTPUT_ALIGN_CODE): Use value of -malign-jumps= switch. + (ASM_OUTPUT_LOOP_ALIGN): Use value of -malign-loops= switch. + (toplevel): Declare all new functions and external variables added + in i386.c. + + * i386.c (i386_regparm_string, i386_regparm): New variables + for -mregparm= switch to set the number of registers to use for + passing arguments. + (i386_align_loops_string, i386_align_loops): New variables for + -malign-loops= switch to set alignment to use for loops. + (i386_align_jumps_string, i386_align_jumps): New variables for + -malign-jumps= switch to set alignment to use for labels that are + jumped to. + (override_options): Support new switches. + (i386_valid_decl_attribute_p): New function to validate decl + specific attributes. Presently returns 0. + (i386_valid_type_attribute_p): New function to validate type + specific attributes. Recognize "stdcall", which says function + with fixed numbers of arguments is responsible for popping stack, + "cdecl", which says to use the normal C calling sequence, even if + -mrtd is used, and "regparm", which specifies the number of + registers to use for passing arguments. + (i386_comp_type_attributes): New function, to validate whether + attributes are compatible. + (i386_return_pops_args): New function, to return whether or not + the function pops its argument list or not, taking into account + -mrtd, and the stdcall/cdecl attributes. + (init_cumulative_args): Rewrite as a function, taking variable + argument functions, and regparm support into account. + (function_arg{,_advance,_partial_nreg}): Likewise. + (print_operand): Support %J, to print appropriate jump insn. + + * i386.md (decrement_and_branch_until_zero): Define pattern, + so that loops that count down to zero, don't have an unneeded + compare after the decrement. Add a general insn recognizer for + add to a value and compare against zero. + + * i386/go32.h, i386/winnt.h (VALID_MACHINE_DECL_ATTRIBUTE): + Delete, code folded into the mainline. + (RETURN_POPS_ARGS): Likewise. + + * i386/winnt.h (ENCODE_SECTION_INFO): The stdcall attribute is now + stored on the type field, rather than the decl. + + * i386/gas.h (ASM_OUTPUT_ALIGN_CODE, ASM_OUTPUT_LOOP_ALIGN): Use + i386_align_{loops,jumps} variables to do alignment. + * i386/osfrose.h, i386/svr3dbx.h: Likewise. + +Fri May 12 12:48:19 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (layout_type, case ARRAY_TYPE): Compute length using + MAX of length and zero if sizetype signed and neither bound constant. + + * i386/gnuelf.h, i386/linux-oldld.h, i386/lynx-ng.h, i386/v3gas.h: + Use <...> in #include instead of "...". + * m68k/lynx-ng.h, sparc/lynx-ng.h: Likewise. + + * c-parse.in (myparm): Handle attributes. + * objc-act.c (unused_list): New variable. + (build_tmp_function_decl): Call push_parm_decl with new format. + (start_class): Initialize unused_list. + (start_method_def): Call push_parm_decl with new format and + mark _cmp as possibly unused. + + * combine.c (simplify_shift_const): Don't change SHIFT_MODE + for LSHIFTRT either. + + * unroll.c (unroll_loop): Don't move reg if used in copy_end and + that is a JUMP_INSN. + +Fri May 12 12:31:37 1995 Doug Evans <dje@cygnus.com> + + * arm/lib1funcs.asm: New file. + +Fri May 12 11:52:03 1995 Kung Hsu <kung@cygnus.com> + + * configure (a29k-*-vxworks*): New target. + * config.sub (vxworks29k): New alias. + * a29k/t-vx29k: New file. + * a29k/vx29k.h: New file. + +Fri May 12 11:17:28 1995 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * loop.c (check_dbra_loop): When reversing loop when + no_use_except_counting is false, there must be only one biv. + +Fri May 12 07:10:00 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * unroll.c (unroll_loop): Only use local_regno for pseudos. + + * genattrtab.c (write_test_expr, case MATCH_DUP): Use operands[N] + instead of JUMP_LABEL (which may not be set). + (walk_attr_value, case MATCH_DUP): Set must_extract. + + * c-parse.in: Adjust number of shift/reduce conflicts. + (parm): Support attributes. + * c-decl.c (push_parm_decl): Pass any attributes to decl_attributes. + +Fri May 12 00:36:26 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * cpplib.c (skip_quoted_string): Removed - no longer needed. + (skip_if_group): Use cpp_get_token instead of skip_quoted_string. + + * cpplib.h (struct cpp_reader): Remove start_line field. + Add multiline_string_line field. + + * cpplib.c (cpp_error_with_line, cpp_warning_with_line, + cpp_pedwarn_with_line): Take extra column number parameter. + (macroexpand, cpp_get_token): Fix reporting of unterminated strings. + (line_for_error): Removed - no longer needed. + +Fri May 12 02:21:34 1995 Jim Wilson <wilson@cygnus.com> + + * mips/svr4-t.h (MD_STARTFILE_PREFIX, MD_EXEC_PREFIX, + STARTFILE_SPEC, LINK_SPEC): Define. + * configure (mips-tandem-sysv4): Use t-mips not t-svr4. + +Thu May 11 19:18:54 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * cpplib.c (line_for_error): Make it work; add extra parameter. + (skip_quoted_string, cpp_get_token): Update calls to line_for_error. + (macroexpand): Remember initial line so we can report it if the + call is unterminated. Also, simplify error logic slightly. + (do_include): Cast alloca return value, to avoid pcc warning. + + * cppexp.c (parse_number): Cleanup some Cygnus crud for MPW. + +Thu May 11 21:35:23 1995 Torbjorn Granlund <tege@cygnus.com> + + From Moshier: + * i960.c (i960_output_ldconst): Let split_double handle DImode. + (i960_print_operand): Use REAL_VALUE_TO_DECIMAL for decimal strings. + (i960_output_double, i960_output_float): Likewise; also change arg + VALUE from `double' to `REAL_VALUE_TYPE'. + +Thu May 11 21:09:25 1995 Per Bothner (bothner@wombat.gnu.ai.mit.edu) + + * cpperror.c (cpp_print_containing_files): Remove some + Cygnus-local stuff. + +Thu May 11 21:06:47 1995 Doug Evans <dje@canuck.cygnus.com> + + * gcc.c (link_command_spec): Make -nostdlib no longer imply + -nostartfiles. + +Thu May 11 18:48:57 1995 Paul Eggert <eggert@twinsun.com> + + * c-common.c (convert_and_check): Don't diagnose overflow in constant + expression merely because conversion overflowed. + +Thu May 11 18:43:59 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-decl.c (grokdeclarator): Use PARM_FLAG to see if should + make PARM_DECL. + * c-parse.in (nested_function, notype_nested_function): + Allow old-style arg definitions (use xdecls). + + * c-decl.c (finish_struct): Properly update DECL_PACKED. + +Thu May 11 15:24:15 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * fold-const.c (fold): Also fold CLEANUP_POINT_EXPRs into + TRUTH_*_EXPRs and into the first operand. + (operand_equal_for_comparison_p): Also make sure the second operand + is integral. + +Thu May 11 14:22:03 1995 Ted Lemon <mellon@toccata.fugue.com> + + * config/mips/netbsd.h: New file. + * config/mips/t-mips-netbsd: New file. + * config/mips/x-netbsd: New file. + + * configure (mips-dec-netbsd*): Add entry. + + * mips.h (LOCAL_LABEL_PREFIX, USER_LABEL_PREFIX): Define. + (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END, ASM_OUTPUT_LABEL_REF, + ASM_OUTPUT_INTERNAL_LABEL, ASM_GENERATE_INTERNAL_LABEL, + ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Use them. + + * mips.c (mips_output_lineno): Use LOCAL_LABEL_PREFIX. + +Thu May 11 14:22:03 1995 Stan Cox (gcc@dg-rtp.dg.com) + + * dwarfout.c (output_decl): Don't output DIE for struct or union type + with no name or with ERROR_MARK for the fields. + +Thu May 11 06:36:34 1995 Michael Meissner (meissner@cygnus.com) + + * flow.c (mark_used_regs): If a SUBREG does not have a REG in the + SUBREG_REG position, recursively call mark_used_regs, instead of + segfaulting. + +Thu May 11 06:44:34 1995 Pat Rankin (rankin@eql.caltech.edu) + + * expr.c (do_jump, case EQ_EXPR, NE_EXPR): Fix typo for complex. + +Wed May 10 12:34:46 1995 Michael Meissner <meissner@cygnus.com> + + * configure: Add support for the little endian variant of the + PowerPC System V.4 and Eabi targets. If the GNU assembler was not + specified, don't build libgcc.a variants on the PowerPC systems + that use -mrelocatable, -mlittle, and -mbig. + + * genmultilib: For MULTILIB_MATCHES arguments, map question marks + into equal signs after spliting the left and right side of + equivalent options, to all support for options like: -mcpu=403. + + * rs6000/rs6000.md (rs6000_immed_double_const): New function that + is like immed_double_const, except that it reverses the two words + in the constant if the target is little endian. + + * rs6000/rs6000.md (floatsidf2): Use rs6000_immed_double_const, + not immed_double_const. + (floatunssidf2): Ditto. + + * rs6000/rs6000.h: Add declarations for all functions in rs6000.c. + + * rs6000/sysv4.h (TARGET_SWITCHES): Add -mlittle, -mlittle-endian, + -mbig, and -mbig-endian for bi-endian support. + (ASM_SPEC): Pass -mlittle/-mbig to the assembler if it was passed + to us. + (LINK_SPEC): If explicit little or big endian support was + requested, tell the GNU linker to use the appropriate target + format. + + * rs6000/t-eabi (MULTILIB_*): Build libgcc.a variants for software + floating point. Remove mrelocatable libgcc.a variant. + + * rs6000/t-eabigas: New file, cloned from t-eabi. Build + mrelocatable libgcc.a variant in addition to the other variants. + + * rs6000/t-ppc: New file, for PowerPC System V.4 support without + the GNU assembler. + + * rs6000/t-ppcgas: New file, for PowerPC System V.4 support with + the GNU assembler. + + * rs6000/eabile.h: New file, little endian eabi config file. + * rs6000/sysv4le.h: New file, little endian V.4 config file. + +Wed May 10 14:22:28 1995 Doug Evans <dje@cygnus.com> + + * libgcc1-test.c (main_without__main): Renamed from `main'. + * Makefile.in (libgcc1-test): Tell the user to ignore warnings. + + * configure: Support --enable-foo, --disable-foo. + +Wed May 10 10:34:00 1995 Lee Iverson <leei@Canada.AI.SRI.COM> + + * unroll.c: Add declarations of static functions. + (unroll_loop): Renumber regs local to loop for each unrolled iteration. + +Wed May 10 08:27:03 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (alpha_set_emit_const): Cleanups to work properly + when run on 32-bit host. + + * configure: Instead of symlinking tm.h and {h,t,}config.h, + make them files that #include the proper file; pass to Makefile. + Pass out_file and md_file to Makefile instead of making symlinks. + * Makefile.in (out_file, md_file, tm_file, {build,host}_xm_file): + New symbols, to be overridden by configure. + (insn-*): Use $(md_file), not md. + (aux-output.o): Use $(out_file), not aux-output.c. + ($(MD_FILE)): Rework to use new conventions. + (gen*.o, bi-*.o): Depend on $(build_xm_file), not hconfig.h. + (scan.o, fix-header.o, scan-decls.o): Likewise. + (distclean): Adjust files removed for new convention. + +Tue May 9 19:26:42 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * rs6000/rs6000.h (LIBGCC_SPEC): Do link with libgcc when -shared. + + * Makefile.in (STAGESTUFF): Add underscore.c. + (underscore.c): Rename temporary files to begin with 'tmp-' so that + they will be removed by 'make mostlyclean'. + +Tue May 9 19:19:55 1995 Mike Stump <mrs@cygnus.com> + + * toplev.c (lang_options): Add new flag -ffor-scope. + +Tue May 9 19:11:47 1995 Lee Iverson (leei@ai.sri.com) + + * objc/init.c (objc_init_statics): Fix missing part of last change. + +Tue May 9 18:25:34 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * i386/gnu.h, i386/linux.h, i386/linux-aout.h, i386/lynx.h: + Use <...> in #include instead of "..." to avoid recursion. + * i386/netbsd.h, i386/xm-gnu.h, i386/xm-linux.h: Likewise. + * i386/xm-lynx.h, i386/xm-freebsd.h, i386/xm-netbsd.h: Likewise. + * m68k/lynx.h, m68k/netbsd.h, m68k/xm-lynx.h: Likewise. + * m68k/xm-netbsd.h, mips/gnu.h, ns32k/netbsd.h: Likewise. + * ns32k/xm-netbsd.h, rs6000/lynx.h, rs6000/xm-lynx.h: Likewise. + * sparc/lynx.h, sparc/netbsd.h, sparc/xm-lynx.h: Likewise. + * sparc/xm-netbsd.h, vax/netbsd.h, vax/xm-netbsd.h: Likewise. + +Tue May 9 15:52:05 1995 Michael Meissner <meissner@cygnus.com> + + * config.sub: Recognize powerpcle as the little endian varient of + the PowerPC. Recgonize ppc as a PowerPC variant, and ppcle as a + powerpcle variant. Convert pentium into i586, not i486. Add p5 + alias for i586. Map new x86 variants p6, k5, nexgen into i586 + temporarily. + +Tue May 9 15:43:27 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * rs6000/rs6000.h (LINK_SPEC, LIB_SPEC): Don't mess with libg + if -shared. + * rs6000/aix41ppc.h (LINK_SPEC): Ditto. + + * rs6000/powerpc.h: Don't emit .extern directives. + +Tue May 9 14:08:09 1995 Jim Wilson <wilson@cygnus.com> + + * sh/lib1funcs.asm (__ashrsi3, __ashlsi3, __lshrsi3): Use .byte + instead of .word offsets in switch table. + +Tue May 9 11:44:47 1995 Jeremy Bettis <jbettis@cse.unl.edu> + + * objc/sendmsg.c (__objc_send_initialize): Call superclass if object + does not implement +initialize. + +Tue May 9 02:44:16 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * rs6000/xm-rs6000.h (COLLECT_EXPORT_LIST): Define if not + cross-compiling. + * rs6000/xm-mach.h: #undef COLLECT_EXPORT_LIST. + * rs6000/rs6000.h (COLLECT_SCAN_OBJECTS): Lose. + + * collect2.c (collect_exit): Unlink export_file. + (prefix_from_string): Broken out from prefix_from_env. + (prefix_from_env): Call it. + (main): Under AIX, recognize -bE: and -bexport:, and don't + automatically export everything if we see one. Otherwise, scan the + objects individually and add all their symbols to an export file to be + passed to the linker. + (write_export_file): New function. + (scan_prog_file): Ignore symbols starting with '.' + + * c-common.c (declare_hidden_char_array): Mark decl artificial. + +Mon May 8 18:13:57 1995 Adam Fedor <fedor@colorado.edu> + + * objc/init.c (_objc_load_callback): Add declaration. + (__objc_exec_class): Call _objc_load_callback after every Class + or Category is added. + * objc/objc-api.h (_objc_load_callback): Add declaration. + +Mon May 8 17:56:28 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_expr, case INDIRECT_REF): Set RTX_UNCHANGING_P + if both TREE_READONLY and TREE_STATIC set. + + * c-typeck.c (convert_for_assignment): Don't give errors about + adding const or volatile unless both sides point to functions. + +Mon May 8 11:48:23 1995 Michael Meissner <meissner@cygnus.com> + + * configure: If ../ld/Makefile, symlink ../ld/ld.new to collect-ld, + not real-ld. Don't test for $use_collect2 any more. + +Sun May 7 17:52:23 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * calls.c (expand_call): Improve -Winline warnings. + +Sun May 7 17:28:27 1995 DJ Delorie (dj@delorie.com) + + * configure.bat: Use "go32" instead of "msdos" for future expansion. + + * i386/go32.h: Add support for win32's stdcall functions. + + * configure.bat: Add ^M to end of each line. + * i386/config-nt.bat, alpha/config-nt.bat: Likewise. + +Sun May 7 02:12:26 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * tree.h (DECL_ARTIFICIAL): New macro. + + * function.c (expand_function_end): Don't warn about unused + anonymous or artificial parms. + +Fri May 5 18:41:22 1995 Jim Meyering (meyering@comco.com) + + * configure: Fix typo in name of "maintainer-clean". + +Fri May 5 14:58:01 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.c (emit_move_sequence): Force problematical constants + into memory during the reload pass when generating PIC. + +Fri May 5 13:30:33 1995 Doug Evans <dje@cygnus.com> + + * objc/NXConstStr.m: NXConstantString.h renamed to NXConststr.h. + +Fri May 5 07:10:15 1995 Stephen L Moshier (moshier@world.std.com) + + * real.c (emdnorm, toe64, etoe64): Significand of Intel long double + denormals is shifted down one bit. + +Fri May 5 07:04:12 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c (process_init_element): Don't clear_momentary if + constructor_stack is not empty. + + * objc/Makefile (SHELL): Now /bin/sh. + + * c-typeck.c (build_binary_op): Also warn about ordered + comparison of pointer with zero if -Wall. + + * expr.c (do_jump, case EQ_EXPR, NE_EXPR): Properly compare complex. + +Thu May 4 18:01:25 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * objc/Makefile: NXConstantString renamed to NXConstStr. + * objc/NXConstStr.m: Renamed from objc/NXConstantString.m. + * objc/NXConstStr.h: Renamed from objc/NXConstantString.h. + +Thu May 4 17:38:21 1995 J.T. Conklin <jtc@netbsd.org> + + * configure (vax-*-netbsd*): New configuration. + * vax/netbsd.h, vax/xm-netbsd.h: New files. + +Thu May 4 16:39:05 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * collect2.c (main): Add check for 'collect-ld', just like + 'real-ld', except that old versions won't be looking for it in the + path. Don't look for 'real-ld' in the path anymore. Sigh. + + * collect2.c: #include demangle.h and obstack.h. + (obstack_chunk_alloc): Define. + (obstack_chunk_free): Define. + (generic): Don't define. Don't use. + (main): Initialize obstacks and demangling. + + * collect2.c (dump_file): Adjust space padding in output to + maintain tabulation with Solaris ld. Don't demangle if the + environment variable COLLECT_NO_DEMANGLE is set. + + * collect2.c (main): Redirect the output of the first link and + demangle it. Don't collect static c/dtors unless USE_COLLECT2 is + defined. Null-terminate the list of objects. + (dump_file): New function. + (file_exists): New function. + (collect_exit): Renamed from my_exit. Dump and remove the temporary + ld output file. + (collect_execute): Break out from fork_execute. Support redirection. + (fork_execute): Call it. + (fatal_perror, fatal, error): Make non-static. + (xcalloc, xmalloc): Don't use generic. + (xrealloc): Define. + (collect_wait): Break out for do_wait. Just return the exit status. + (do_wait): Call it. + + * collect2.c: Check SUNOS4_SHARED_LIBRARIES using #if, not #ifdef. + + * Makefile.in (collect2): Now uses cplus-dem.o and underscore.o. + (collect2.o): Pass MAYBE_USE_COLLECT2 to compile. + (underscore.c): Rules for creation. + + * cplus-dem.c, demangle.h: Copy from libiberty. + +Thu May 4 14:12:35 1995 Jim Wilson <wilson@cygnus.com> + + * sdbout.c (plain_type): Pass additional argument to plain_type_1. + (plain_type_1): New parameter level. Increment it when making + recursive calls. Force the type to void_type_mode before starting + a 7th level of recursion. + + * sh.c (general_movsrc_operand, general_movdst_operand): Delete + references to POST_DEC and PRE_INC. + * sh.h: Clean up whitespace, comments, etc. + (TARGET_SH, RTL_BIT, DT_BIT, C_BIT, R_BIT, TARGET_DUMP_RTL, + TARGET_DUMP_R, TARGET_CDUMP): Delete. + (TARGET_SWITCHES): Delete -mR, -mc, -mr options. + (CONST_DOUBLE_OK_FOR_LETTER_P): Delete 'G' contraint. + (FUNCTION_VALUE): Simplify. + (REG_OK_FOR_PRE_POST_P, IS_INDEX): Delete. + (BASE_REGISTER_RTX_P, INDEX_REGISTER_RTX_P): Rewrite to allow + SUBREGs. + (GO_IF_LEGITIMATE_INDEX): Delete unused REGNO argument. + (GO_IF_LEGITIMATE_ADDRESS): Use BASE_REGISTER_RTX_P instead of + REG_OK_FOR_PRE_POST_P. Don't accept PRE_INC or POST_DEC addresses. + (PREDICATE_CODES, PROMOTE_MODE): Define. + +Wed May 3 09:57:55 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/rs6000.md (non power abs insns): If not powerpc, use + sf/subfc instructions, not subf. + +Wed May 3 08:49:06 1995 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au> + + * protoize.c (gen_aux_info_file): Use strerror #ifdef HAVE_STRERROR. + +Wed May 3 01:06:01 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.c (output_call): Fix typo/thinko in last change. + (output_function_epilogue): Align the data section before + emitting deferred plabels. + + From Torbjorn: + * pa.c (before functions): Declare deferred_plabels and + n_deferred_plabels. + (output_call): When generating pic, don't use LP and RP. Use 32 bit + plabel instead. + (output_function_epilogue): Output plabels accumulated in output_call. + +Tue May 2 17:15:08 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.c (hppa_expand_epilogue): Fix thinko in last change. + +Tue May 2 16:54:35 1995 Doug Evans <dje@cygnus.com> + + * jump.c (jump_optimize, can_reach_end determination): A barrier can + follow the return insn. + +Tue May 2 12:39:55 1995 Mike Stump <mrs@cygnus.com> + + * fold-const.c (fold): Ensure that we don't alter the expression's + type when folding CLEANUP_POINT_EXPRs. + +Tue May 2 13:36:08 1995 Michael Meissner <meissner@cygnus.com> + + * expmed.c (emit_store_flag): When creating store flag + instructions from simpler parts, such as XOR, ABS, etc. do not + reuse pseudo registers if expensive optimizations, instead create new + pseudos for each insn result. + +Tue May 2 01:25:29 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.c (hppa_expand_epilogue): Correctly handle restore of %rp + for functions with a stack size of exactly 8kbytes and no frame + pointer. + +Mon May 1 19:27:08 1995 Jim Wilson <wilson@cygnus.com> + + * sdbout.c (sdbout_one_type): Don't switch to text section if + in function with section attribute. + + * combine.c (combine_instrutions): Set subst_prev_insn to zero. + (try_combine, undo_all): Likewise. + (get_last_value): Return zero if subst_prev_insn set. + + * sparc.h (INIT_TARGET_OPTABS): Move INIT_SUBTARGET_OPTABS to end. + + * Makefile.in (install-dir): chmod a+rx all newly created directories. + + * expr.c (expand_expr, case SAVE_EXPR): Handle the case where + mode is VOIDmode. + +Fri Apr 28 15:39:38 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * cpplib.h (cpp_buffer): Note new escape combination "@ ". + * cpplib.c (macroexpand): Delete "@ " if stringifying. + (cpp_skip_hspace): Also skip "@ " if input buffer has_escapes. + (collect_expansion): Cleanup white-space handling. + (create_definition): Remove all leading spaces, not just first one. + (cpp_expand_to_buffer): Set has_escapes on resulting input buffer. + (macroexpand): Set output_escapes during whole function (and + specifically during calls of macarg). + (macroexpand): Set "@ " before and after expansion result. + (push_macro_expansion): Remove unneeded initial "@ ", not " ". + (cpp_get_token): Remove unneeded "@ " (not " ") at end of expansion. + (cpp_get_token): Handle "@ ". + + * cpplib.c (read_name_map): Add cpp_reader parameter. Access + map_list from former (instead of having it be static). + (open_include_file): Extra parameter (because of above changes). + (do_include, lookup_import): Update calls of open_include_file. + + * cpplib.c (do_include): Fix memory leak. + + * cpplib.c (delete_assertion): Also delete tokenlist. + (do_unassert): Don't delete tokenlist (handled by delete_assertion). + (cpp_cleanup): New function. Frees resources used by a cpp_reader. + * cpphash.c (cpp_hash_cleanup): New function. + (delete_macro): Enable commented-out code. + (file_cleanup): Free actual buffer. + + * cpplib.c (cpp_options): Add map_list. + + * cpplib.h (PARSE_GETC): Removed. Bogus and unused. + * cppmain.c (main): Remove commented-out code that used PARSE_GETC. + + * cpplib.c: Don't #include <string.h>. Causes clashes + on Nextstep (when index/rindex are macros). + (cpp_grow_buffer, int_parse_file): Cast to U_CHAR*, rather than char*. + +Sun Apr 30 08:11:23 1995 Alan Modra (alan@spri.levels.unisa.edu.au) + + * stdarg.h, varargs.h (va_arg): Don't assume __va_rounded_size (char) + has the value of 4. + +Sun Apr 30 07:13:43 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * vax.h (NOTICE_UPDATE_CC): Correctly handle aob insns. + + * expr.c (expand_expr, case CONSTRUCTOR): Don't set target to + zero if more then one word. + Pass size and alignment to move_by_pieces_ninsns in bytes, not bits. + + * cse.c (cse_insn): Properly set IN_MEMORY for SET_DEST. + + * tree.c (substitute_in_expr): Preserve TREE_READONLY. + + * c-common.c (enum attrs): Add A_UNUSED. + (init_attributes): Initialize it. + (decl_attributes, case A_UNUSED): New case. + +Sat Apr 29 15:42:03 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (do_include): Re-fix minor memory leak by using + alloca instead of xmalloc and free. + + * cccp.c (macarg): Except for reporting error, treat unterminated + macro call as if it were terminated, since `macroexpand' relies + on *argptr being filled in. + +Sat Apr 29 06:09:35 1995 Torbjorn Granlund <tege@cygnus.com> + + * pa.c (output_mul_insn): Simplify, it is never called with + UNSIGNEDP set. + + * pa.md (divsi3, udivsi3, modsi3, umodsi3): Simplify. + (ashlsi3): Clean up indentation and commentary. + +Fri Apr 28 12:48:01 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * integrate.c (expand_inline_function): Don't emit any notes until + after we've expanded the actual parameters. + +Fri Apr 28 11:51:06 1995 Stan Cox (gcc@dg-rtp.dg.com) + + * m88k/dgux.h: (ENDFILE_SPEC, LIB_SPEC) Fix crtbegin and crtend + (SELECT_RTX_SECTION) Put relocatable pic constants in data section + + * m88k/dguxbcs.h: (LIB_SPEC) Likewise + + * m88k/m88k.c: (symbolic_operand) Put relocatable pic constants in data + + * m88k/m88k.h: (FRAME_POINTER_REQUIRED) Add -momit-leaf-frame-pointer + + * m88k/m88k.md: (umulsidi3) Doesn't work for 88110 with mod/div changes + + * m88k/x-dgux: (GCC_FOR_TARGET) tdesc gets mixed up for crtbegin/crtend + +Fri Apr 28 06:36:47 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c (pop_init_level, output_init_element): Pass + require_constant_* to digest_init. + + * alpha.c (alpha_emit_set_const): Now returns rtx and take MODE arg. + Rework to use a new pseudo for intermediate values if high opt level. + Also use expand_{bin,un}op. + * alpha.h (alpha_emit_set_const): Add declaration. + * alpha.md (mov[sd]i and splits): Change call to alpha_emit_set_const. + + * reg-stack.c (stack_result): Fix bug in last change. + +Fri Apr 28 01:08:43 1995 Doug Evans <dje@cygnus.com> + + * objc-act.c: Update calls to start_decl, finish_struct, + pass NULLs for attributes. + +Thu Apr 27 21:13:14 1995 Doug Evans <dje@cygnus.com> + + * sparc.md (tablejump): Only if ! TARGET_MEDANY. + (casesi): New pattern for TARGET_MEDANY case. + + * c-common.c (decl_attributes): Always continue if attribute not found. + * c-typeck.c (common_type): Call lookup_attribute instead of + value_member. + * tree.c (attribute_hash_list): New function. + (build_type_attribute_variant): Call it. + (valid_machine_attribute): Handle attributes with arguments. + (is_attribute_p): New function. + (lookup_attribute): New function. + (attribute_in_list): Deleted. + (attribute_list_contained): Check TREE_PURPOSE and TREE_VALUE. + * tree.h (valid_machine_attribute): Add prototype. + (is_attribute_p, lookup_attribute): Likewise. + * i386/winnt.h (RETURN_POPS_ARGS): Call lookup_attribute. + (ENCODE_SECTION_INFO): Likewise. + (CPP_PREDEFINES): Use __stdcall__, __cdecl__. + (VALID_MACHINE_DECL_ATTRIBUTE): Call is_attribute_p. + `args' must be NULL. + +Thu Apr 27 21:10:41 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (insv): New anonymous patterns to combine insert with + arbitrary ashift, ashiftrt, lshiftrt, or zero_extract. (Based on + patch from John Brooks <jbrooks@ea.com>.) + (ashlsi3): Remove extraneous operand processing. + +Thu Apr 27 18:47:24 1995 Jim Wilson <wilson@cygnus.com> + + * sh/ashlsi3.c, sh/ashrsi3.c, sh/lshrsi3.c: Delete. + * sh/lib1funcs.asm (ashiftrt_r4_*): Rewrite for efficiency. + (ashrsi3, lshrsi3, lshrsi3): Add. + * t-sh (LIB1ASMFUNCS): Add new functions. + (LIBGCC2_CFLAGS): Delete. + (LIB2FUNCS_EXTRA): Remove deleted files. + (ashlsi3.c, ashrsi3.c, lshrsi3.c): Remove rules for deleted files. + + * stmt.c (expand_return): When returning BLKmode structure, use + operand_subword instead of doing arithmetic on the register number. + Also, for structures smaller than word_mode, copy it into a word_mode + temporary and then subreg it. + + * sparc.md: Delete two define_peepholes which print `bad peephole'. + +Thu Apr 27 16:17:01 1995 Torbjorn Granlund <tege@cygnus.com> + + * toplev.c (rest_of_compilation): Call shorten_branches even when + !optimize. + * final.c (shorten_branches): For non-optimizing compiles, break + after first pass. + +Thu Apr 27 14:22:50 1995 Michael Meissner <meissner@cygnus.com> + + * i386/linux-oldld.h: New file, that is cloned from linux-aout.h, + except that it does not pass -m i386linux to the linker. This is + to support the original GNU/Linux ld that is on most distributions. + + * configure (i[345]86-*-linux*oldld*): Use i386/linux-oldld.h as + the target file. + +Thu Apr 27 08:56:50 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (valid_machine_attribute): Update last change. + +Thu Apr 27 08:06:33 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * fix-header.c, cpplib.c: Don't include <sys/stat.h> twice. + * cpplib.c (cpp_grow_buffer, init_parse_file): Cast {xmalloc,xrealloc} + for token_buffer to U_CHAR* instead of char*. + + * m68k/x-mot3300: New file. + * configure (m68k-motorola-sysv*): Use x-mot3300 instead of x-alloca. + +Thu Apr 27 07:04:09 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (do_include): Fix minor memory leak. + + * cccp.c (struct argdata): Remove unused `comments' member. + (macarg): Don't set `comments' member. + + * cccp.c (collect_expansion): Assume leading white space + already removed. + Don't allocate unnecessary space for expansion. + + * cccp.c (deps_output): Don't generate overly long output lines. + Do not invoke self recursively with spacer == 0; this simplifies + the code a bit. + +Wed Apr 26 19:20:02 1995 Andrew McCallum <mccallum@leopard.cs.rochester.edu> + + * objc/Object.h: Changed Class * to Class in order to match NEXTSTEP + and OpenStep runtime. + * objc/Object.m, objc/Object.h, objc/archive.c, objc/class.c: Likewise. + * objc/encoding.c, objc/init.c, objc/objc-api.h, objc/objc.h: Likewise. + * objc/objects.c, objc/runtime.h, objc/selector.c: Likewise. + * objc/sendmsg.c, objc/typedstream.h: Likewise. + +Wed Apr 26 19:18:52 1995 Pieter Schoenmakers <tiggr@es.ele.tue.nl> + + * objc/objc-api.h (objc_static_instances): New struct to record + static instances of a certain class. + (objc_module): New tag STATICS to point to the table of + objc_statics_instances. + + * objc/init.c (OBJC_VERSION): Version 7. + (objc_init_statics): New function. + (__objc_exec_class): Invoke objc_init_statics if needed. + + * objc/NXConstantString.m, objc/NXConstantString.h: New files. + * objc/Makefile (OBJC_O): Added bare-bones implementation of + NXConstantString. + + * objc-act.c (OBJC_VERSION): Version 7. + (build_objc_string_object): Build a full declaration if not using + the next runtime. + (objc_add_static_instance): New function. + (init_module_descriptor): Add reference to static instances table. + (build_module_descriptor): Add field for static instances table. + (get_objc_string_decl): New function. + (generate_static_references): New function. + (finish_objc): Call generate_static_references if needed. + + * c-tree.h (finish_decl_top_level): New declaration. + * c-decl.c (finish_decl_top_level): New function. + +Wed Apr 26 18:04:32 1995 Dirk Steinberg (Dirk.Steinberg@gmd.de) + + * stddef.h: Treat _MACHINE_ANSI_H_ like _ANSI_H_. + +Wed Apr 26 14:09:59 1995 Jim Wilson <wilson@cygnus.com> + + * sparc.h (NEGTF2_LIBCALL): Define. + (INIT_TARGET_OPTABS): Add support for all TFmode *_LIBCALL macros. + * optabs.c (init_optabs): Delete all uses of undocumented TImode and + TFmode *_LIBCALL macros. + + * combine.c (simplify_rtx, case TRUNCATE): Add. Use force_to_mode. + (force_to_mode, case AND): Allow some simplifications when GET_MODE (x) + has more bits than HOST_BITS_PER_WIDE_INT. + * mips/mips.md (truncdiqi2+[456]): Add patterns to simplify ZERO_EXTEND + of a TRUNCATE. + +Wed Apr 26 13:01:22 1995 Doug Evans <dje@cygnus.com> + + * sparc.md (memop define_splits): Rewrite to not use memop. + Preserve MEM_IN_STRUCT_P, MEM_VOLATILE_P, RTX_UNCHANGING_P bits. + * sparc.c (memop): Deleted. + (splittable_symbolic_memory_operand): New function. + (splittable_immediate_memory_operand): New function. + +Wed Apr 26 12:54:26 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * configure: Add hppa1.1-hp-lites support. + +Wed Apr 26 08:04:46 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sh.md (ashrsi2_31): Don't use dead_or_set_p after reload. + * pyr.md: Remove bad peepholes that improperly use dead_or_set_p. + + * function.c (expand_function_end): Warn about unused parms + if both -Wunused and -W. + + * tree.h (TYPE_PARSE_INFO): Delete unused field. + (TYPE_PACKED): Add new macro. + (struct tree_type): Delete unused field `parse_info'. + Add new field `packed_flag'. + * c-tree.h (finish_enum, finish_struct): Add ATTRIBUTES argument. + * c-common.c (init_attributes): Don't require decl for A_PACKED. + (decl_attributes, case A_PACKED): Set TYPE_PACKED for type. + * c-parse.in: Update number of shift/reduce conflicts. + (structsp): Pass attribute arg to finish_struct. + Support attributes on enums and pass to finish_enum. + * c-decl.c (finish_struct): Add ATTRIBUTES argument, call + decl_attributes and set DECL_PACKED from TYPE_PACKED. + (finish_enum): Add ATTRIBUTES argument, call decl_attributes, + and make enum narrow if TYPE_PACKED. + * print-tree.c (print_node): Print TYPE_PACKED. + + * c-decl.c (init_decl_processing): Don't give builtin__constant_p an + argument type. + * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): A pointer to a + string constant is a constant. + + * c-typeck.c (output_init_element): Constructor is not simple if + a bitfield is being assigned a non-integer. + + * c-typeck.c (push_init_level): Update constructor_depth when we + push spelling level. + +Tue Apr 25 19:50:06 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.c (emit_move_sequence): Handle function label arithmetic for + PIC code generation too. + +Tue Apr 25 18:52:43 1995 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * reg-stack.c (current_function_returns_real): Deleted (unused). + (FP_mode_reg): Trimmed to a smaller size, less overhead. + (FP_MODE_REG): New macro over which FP_mode_reg will be accessed. + (mark_regs_pat, straighten_stack): New functions. + (reg_to_stack): Amend initialisation of FP_mode_reg. + Mark FP registers mentioned in USE insns before NOTE_INSN_FUNCTION_BEG. + (get_true_reg): Eliminate FP subreg accesses in favour of the + actual FP register in use. + (record_reg_life_pat): Make it work on SUBREGs as well. Make use of + the new mark_regs_pat function. Handle USE insns if called unnested. + (record_reg_life): Don't check for QImode again, we know that it + is there. Process CALL_INSNs like all other insns, they might `use' + some FP argument registers if register passing. + (stack_result_p): Changed in stack_result and returning an rtx. + (stack_reg_life_analysis): Take a new stackentry state argument. + Use stack_result and the rtx to mark using mark_regs_pat. This ensures + that types that need multiple FP registers are handled correctly. + Delete the no_live_regs shortcut to save space. + Use stackentry state to determine filled registers. + (replace_reg): Accept COMPLEX_FLOAT as well. + (move_for_stack_reg): Optimise away some pointer dereferencing. + (subst_stack_regs): Make sure the stack is in the right order + and of the right size for register passing. + (goto_block_pat): Make sure the stack is in the right order + to return possible multi-register values from the function. + (convert_regs): Fix comment about CALL_INSN, it's no longer valid. + Make sure the stack is of the right size and in the right order + to return possible multi-register values from the function. + + * function.c (assign_parms): If STACK_REGS is defined, generate USE + insns before the function body, thus showing which registers are filled + with parameters. + * expr.c (expand_builtin_apply_args): Likewise. + Reverse order of saving registers, more compact code for i387. + (expand_builtin_apply): Likewise. + * emit-rtl.c (gen_highpart): Add comment about broken implementation. + * i386.md (untyped_call): Make it return a complex double. + + * c-parse.in (attrib): Permit null-length argument list to attributes. + + * tree.c (valid_machine_attribute): Use new function attribute_in_list, + makes sure type_attribute_variants are reused even when attributes have + parameters. + Assign any new type to TREE_TYPE (decl). + (attribute_in_list): New function. + (attribute_list_contained): Use it. + * tree.h (attribute_in_list): New declaration. + +Tue Apr 25 18:25:53 1995 Jim Wilson <wilson@cygnus.com> + + * expr.c (struct move_by_pieces): Add to_struct and from_struct fields. + (move_by_pieces): Set to_struct and from_struct fields. + (move_by_pieces_1): Set MEM_IN_STRUCT_P of to1 and from1. + (expand_builtin, case BUILT_IN_MEMCPY): New variable type. + Set MEM_IN_STRUCT_P of src_mem and dest_mem. + + * Makefile.in (clean): Delete libgcc1-asm.a. + + * m68k/vxm68k.h (CPP_SPEC): Define. + + * c-decl.c (pushdecl): Don't test DECL_EXTERNAL when deciding whether + to register a duplicate decl in the current block. + + * cross64.h (INIT_ENVIRONMENT): Define as string not putenv call. + * gcc.c (main): Pass INIT_ENVIRONMENT to putenv. + + * stmt.c (expand_return): When returning BLKmode structure in + registers, copy it to a psuedo-reg instead of to hard registers. + +Tue Apr 25 15:14:58 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (LEGITIMIZE_ADDRESS): Don't create a DF address using two + regs if -msoft-float or -mcpu=403. + +Tue Apr 25 15:45:44 1995 Richard Henderson (richard@atheist.tamu.edu) + + * m68k.md (divhi3, udivhi3, modhi3, umodhi3): Deleted + these insns plus some surrounding trash. + (divmodhi4, udivmodhi4): Added these insns. + +Tue Apr 25 10:12:40 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (alpha_builtin_saveregs): Refine last change to work + for both stdarg and varargs. + + * tree.c (chain_member_purpose): Make similar to chain_member_value. + + * Makefile.in, configure: Change "realclean" to "maintainer-clean". + + * protoize.c: Removed __NetBSD__ from conditional. + Declare strerror if HAVE_STRERROR is defined; otherwise + declare sys_errlist and sys_nerr. + (my_strerror): New function. + (errno): Don't define if already defined as a macro. + + * alpha.c (current_file_function_operand): Return false if profiling. + + * expr.c (convert_move): Don't access a hard reg in an invalid + mode when doing a truncation. + + * alpha.c (add_operand): Test for exactly the constants allowed by + the constraints. + * alpha.h (CONST_OK_FOR_LETTER_P, case 'L'): Reject 0x80000000. + + * c-parse.in (initdcl, notype_initdcl): Pass attributes to + start_decl; delete call to decl_attributes. + * c-tree.h (start_decl): Two new tree parameters. + * c-decl.c (start_decl): New args for attributes; call decl_attributes. + + * c-decl.c (duplicate_decls): Don't look at TYPE_ACTUAL_ARG_TYPES + if it is not set. + + * xm-1750a.h: New file. + + * alpha.c (alpha_builtin_saveregs): Add to incoming args addr + if less than 6 named args, not less than or equal to. + +Mon Apr 24 15:25:19 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * mips-tfile.c (fatal, error): Make first arg const to avoid warning. + + * stmt.c (expand_end_bindings): Write a BARRIER after call + to abort in nonlocal handler. + + * stmt.c (expand_decl_init): Call preserve_temp_slots to keep + around any temp whose address was taken. + +Fri Apr 21 16:26:15 1995 Torbjorn Granlund <tege@adder.cygnus.com> + + * pa.md (call_internal_reg): Fix typos in length calculation. + (call_value_internal_reg): Likewise. + +Fri Apr 21 13:17:15 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/gnu.h (STANDARD_INCLUDE_DIR): New macro. + * config/mips/gnu.h (STANDARD_INCLUDE_DIR): Macro moved there. + +Fri Apr 21 08:23:58 1995 Tom Quiggle (quiggle@lovelace.engr.sgi.com) + + * toplev.c (lang_options): Add -I for GNAT. + * gcc.c (default_compilers): Pass -I to gnat1. + +Fri Apr 21 07:58:06 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (integer_all_onesp): Test to size of mode, not TYPE_PRECISION. + + * toplev.c (main): Turn on -fforce-mem for -O2. + + * fold-const.c ([lr]rotate_double): Replace; old versions were bogus. + (fold, shift and rotate): Don't call tree_int_cst_sgn on non-integer. + (fold, case LROTATE_EXPR): If constant count, convert to RROTATE_EXPR. + (fold, case RROTATE_EXPR): Sometimes commute logical op with rotate. + Delete pair of counteracting shifts. + + * combine.c (simplify_logical, case AND): If still an AND, get + new values for op0 and op1. + +Thu Apr 20 17:52:10 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.c: Completely rewritten. + * sh.h (FAST_BIT, CONSTLEN_2_BIT, CONSTLEN_3_BIT, CONSTLEN_0_BIT, + TARGET_FASTCODE, TARGET_CLEN3, TARGET_CLEN0, TARGET_OPTIONS): Delete. + (TARGET_SWITCHES): Delete -mclen3 and -mclen0 options. + (TARGET_DEFAULT): Is zero. + (OVERRIDE_OPTIONS): Delete code to set max_count_si and max_count_hi. + (SPECIAL_REG): New macro. + (HARD_REGNO_MODE_OK): Allow any mode in any general register. + (GO_IF_LEGITIMATE_ADDRESS): Delete constant + reg address case. + (MOVE_RATIO): Define to 2 when TARGET_SMALLCODE. + (max_si, max_hi, max_count_si, max_count_hi): Delete. + * sh.md: Delete spurious constraints from all define_expands. + (rotlsi3_1): Set T reg instead of clobbering it. + (ashrsi3): Use expand_ashiftrt instead of gen_shifty_op. + (movsi_i, movhi_i, movsf_i): Add conditions to reject patterns + needing a reload. + (movdi-2, movdf_k): Correct conditions to reject patterns needing + a reload. + ([inverse_]branch_{true,false}): Pass operands to output_branch. + (jump): Delete unnecessary braces. + (call, call_value): Don't use expand_acall. Force operand0 into + a register. + +Thu Apr 20 12:57:16 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * function.c (assign_parms): Use TREE_ADDRESSABLE rather than + TYPE_NEEDS_CONSTRUCTING to decide whether a parameter needs to be + passed by invisible reference. + + * calls.c (expand_call): Ditto. Abort if we try to pre-evaluate a + parameter of TREE_ADDRESSABLE type. + +Wed Apr 19 17:50:24 1995 Torbjorn Granlund <tege@cygnus.com> + + * pa.h (TARGET_SWITCHES): Fix typo. + +Tue Apr 18 18:06:03 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * expr.c (store_constructor): Use BYTES_BIG_ENDIAN rather + than BITS_BIG_ENDIAN to layout bits within bitstring. + * tree.c (get_set_constructor_bytes): Likewise. + +Tue Apr 18 17:22:46 1995 Per Bothner (bothner@wombat.gnu.ai.mit.edu) + + * config/m68k/{x-hp320,x-hp320g} (FIXPROTO_DEFINES): + Define _HPUX_SOURCE so putenv and other functions get seen. + +Tue Apr 18 03:57:35 1995 Michael Meissner (meissner@cygnus.com) + + * varasm.c (weak_decls): Make this a unique structure, instead of + a tree structure. + (handle_pragma_weak): Don't redeclare asm_out_file. Use new weak + structure to copy name and value to. Protect name and value by + copying them to the permanent obstack. + (declare_weak): Call handle_pragma_weak, instead of duplicating + the code. + (finish_weak): Rewrite to use new weak symbols list structure. + + * c-pragma.h: New file to define the c-pragma.c interfaces. + * c-pragma.c: Include it. + * varasm.c: Include it. + * c-lex.c: Include it. + * cp/lex.c: Include it. + + * varasm.c (handle_pragma_weak): No longer pass output file + stream, since weak pragmas are delayed until the end of the + compilation. + * c-pragma.c (handle_pragma_token): Call handle_pragma_weak + without file stream argument. + + * Makefile.in (varasm.o, c-lex.o, c-pragma.o): Add dependencies on + c-pragma.h. + + * config/rs6000.md (movdf): If -msoft-float, do not generate + memory to memory references, like is already done for the + -mhard-float case. Remove an extra test for -mhard-float inside + of -mhard-float code. + +Tue Apr 18 06:19:50 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (size_int): Arg is unsigned HOST_WIDE_INT. + * tree.h (size_int): Likewise. + +Mon Apr 17 23:36:57 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * rs6000/aix41.h: Restore March 11th changes, plus + (ASM_OUTPUT_EXTERNAL): Do add [DS] or [RW], just don't emit + anything. + * rs6000/aix3newas.h (ASM_OUTPUT_EXTERNAL): Ditto. + +Mon Apr 17 15:58:52 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * config/mips/x-iris (FIXPROTO_DEFINES): Add -D_LANGUAGE_C_PLUS_PLUS. + * config/mips/x-iris6: Likewise. + + * cpplib.c: Rename make_definition to cpp_define. + * cpplib.h (cpp_define): New declaration. + + * cpplib.c (special_symbol): For T_SPECLINE, calculate __LINE__ + in enclosing file buffer, not current buffer (if macro expanding). + (cpp_get_token): Fix thinko (in code for chopping unneeded space). + +Mon Apr 17 11:36:07 1995 Jim Wilson <wilson@cygnus.com> + + * abi64.h (CPP_SPECS): Define and use _ABI64 instead of + _MIPS_SIM_ABI64. + (SETUP_INCOMING_VARARGS): Set MEM_IN_STRUCT_P if big endian target. + * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Define. + + * combine.c (get_last_value): Ignore BARRIER when scanning backwards. + (move_deaths): New variables before_dead and after_dead. Set them + to instructions that have valid INSN_CUID values and use in test. + + * combine.c (subst_prev_insn): New variable. + (try_combine): Set it. + (get_last_value): Use it. + + * reload.c (find_reloads): Recompute reg_equiv_address from + reg_equiv_memory_loc before using it. + (find_reloads_toplev, make_memloc): Likewise. + + * expr.c (expand_builtin, case BUILT_IN_MEMCPY): Call force_operand + on dest_rtx before returning it. + + * function.c (instantiate_decls): Use temporary allocation if + DECL_DEFER_OUTPUT is set. + +Sat Apr 15 23:19:03 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * aoutos.h (ASM_OUTPUT_DEF): Define instead of SET_ASM_OP. + * sparc/sunos4.h (ASM_OUTPUT_DEF): Ditto. + + * varasm.c (weak_finish): Don't handle aliases. + (declare_weak): Ditto. + (assemble_alias): Handle aliases. + + * c-common.c (enum attrs): Add A_ALIAS. + (init_attributes): Ditto. + (decl_attributes): Ditto. + +Sat Apr 15 13:26:34 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (expand_call): Call preserve_temp_slots on temps + made for BLKmode args returned in registers. + + * pa.c (override_options): Fix typo. + +Sat Apr 15 12:11:46 1995 Brendan Kehoe <brendan@cygnus.com> + + * alpha/alpha.c (output_epilog): Initialize fp_offset to 0, and + make sure it's non-zero before we try to use it to restore the + frame pointer. + +Fri Apr 14 19:45:05 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * ginclude/va-{clipper,pa,pyr,sparc,spur}.h (va_arg): Reorganize + to avoid BIND_EXPRs and COND_EXPRs of aggregate type. + +Fri Apr 14 19:31:14 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/svr4.h (ASM_OUTPUT_SECTION_NAME): Make the section + read-only executable "ax" if DECL is a FUNCTION_DECL; read-only + "a" (previously the case always) if DECL is TREE_READONLY; + otherwise writable "aw". + +Fri Apr 14 18:49:11 1995 Linus Torvalds <Linus.Torvalds@cs.Helsinki.FI> + + * alpha.md (probe_stack): Probe with write, not read. + (allocate_stack): Update and correct stack probe code. + * alpha.c (output_prolog): Changed stack probe at function entry. + +Fri Apr 14 18:42:34 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * jump.c (delete_insn): When deleting after label, delete + a BARRIER as well. + +Fri Apr 14 14:40:48 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * toplev.c (compile_file): Call weak_finish. + + * c-common.c (enum attrs): Add A_WEAK. + (init_attributes): Ditto. + (decl_attributes): Support __attribute__ ((weak)) by + calling declare_weak. + + * sparc/sunos4.h (HANDLE_PRAGMA_WEAK, WEAK_ASM_OP, SET_ASM_OP): + Define to support weak symbols with -fgnu-linker. + * aoutos.h: Ditto. + + * varasm.c (handle_pragma_weak): Add declared weak symbols to + weak_decls rather than emitting them immediately. + (declare_weak): Add the indicated declaration to weak_decls. + (weak_finish): Emit .weak directives for any weak symbols. + + * libgcc2.c: The C++ free-store management functions are weak. + +Fri Apr 14 13:00:29 1995 Michael Meissner (meissner@cygnus.com) + + * rs6000/rs6000.c (output_prolog): For eabi systems, emit main's + call to __eabi before setting up the minimal TOC used with the + -mrelocatable support. + + * rs6000/eabi.h (INVOKE__main): Don't define any more, + output_prolog will emit the call. + +Fri Apr 14 09:09:03 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (call_operand): Any reg is valid for NT. + (output_prologue): Never need GP for Windows/NT. + Set SYMBOL_REF_FLAG in current function decl. + +Thu Apr 13 20:19:30 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * alpha/xm-alpha.h (HAVE_VPRINTF): Define. + (HAVE_PUTENV): Define. + (POSIX): Define. + +Thu Apr 13 19:57:44 1995 Doug Evans <dje@cygnus.com> + + * emit-rtl.c (gen_sequence): If the insn has a non-null + CALL_INSN_FUNCTION_USAGE field, output it as a sequence so the + latter isn't discarded. + + * c-parse.in: Update expected conflict count. + +Thu Apr 13 08:10:20 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure.bat: Arg 2 is which machine (i386 or alpha). + * configure (alpha-*-winnt3*): New configuration. + * alpha.c: Don't #include stamp.h for WINNT. + (input_operand, case CONST): Allow ptr_mode and DImode. + * alpha.h (WINDOWS_NT): Provide default definition. + (ASM_OUTPUT_INT): Use output_addr_const. + (ASM_OUTPUT_ADDR_DIFF_ELT): Use .long for NT. + * alpha.md (calll, tablejump, movsi): New variants for NT. + * alpha/winnt.h, alpha/xm-winnt.h, alpha/x-winnt: New files. + * alpha/config-nt.bat, alpha/config-nt.sed: New files. + * i386/config-nt.bat: Add Ada fragments to Makefile. + * i386/config-nt.sed: Adjust for deletion of config.run in Makefile.in + Change version to 2.6.3. + Add some missing tabs. + * winnt/winnt.h (TARGET_MEM_FUNCTIONS): Define. + (LINK_SPEC): Delete "align:0x1000". + * winnt/xm-winnt.h (OBJECT_SUFFIX): Define. + * ginclude/stdarg.h, ginclude/varargs.h: Clean up code that + defines *DEFINED* symbols. + + * configure (a29k-*-sym1*): Same as a29k-*-bsd*. + * a29k.h (ASM_OUTPUT_SECTION_NAME): New macro. + +Wed Apr 12 14:36:03 1995 Jim Wilson <wilson@cygnus.com> + + * dbxout.c (dbxout_type_fields): Correct arguments to CHARS macro + in flag_minimal_debug case. + (dbxout_symbol_name): Use DECL_ASSEMBLER_NAME unconditionally. + * sdbout.c (sdbout_record_type_name): Correct indentation. + (sdbout_symbol): Use DECL_ASSEMBLER_NAME unconditionally. + (sdbout_one_type): Likewise. + +Tue Apr 11 13:24:13 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * fix-header.c (main): Fix loop over required_functions_list. + (fatal): Also print inc_filename. + + * cpplib.c (cpp_push_buffer): Added missing initializatuon of buf. + (cpp_file_buffer): Compare against CPP_NULL_BUFFER, not NULL. + (finclude): No longer call cpp_push_buffer - let callers do it. + (do_include): Add call to cpp_push_buffer. + (push_parse_file): Call cpp_push_buffer early, so initial + defines can use file and line from a valid cpp_buffer. + (nreverse_pending): New function. + (push_parse_file): Use nreverse_pending. + (push_parse_file): For -include files, just push them in reverse + order - we don't need to scan them now. + (cpp_error_from_errno, cpp_perror_with_name): Don't emit extra '\n'. + +Tue Apr 11 13:36:44 1995 Jim Wilson <wilson@cygnus.com> + + * configure (mips-dec-mach3): Add. + + * sh.c (shiftby_operand): Delete. + * sh.h (TARGET_SWITCHES): -m3 and -m3l also set SH2_BIT. + (OVERRIDE_OPTIONS): Don't add CPU_SH2 to CPU_SH3 when TARGET_SH3. + * sh.md (ashlsi3): Use nonmemory_operand as a predicate instead of + shiftby_operand. Don't use shiftby_operand in the output statement. + (lshrsi3): Likewise. + + * c-decl.c (poplevel): Do output inline function if + DECL_ABSTRACT_ORIGIN points to itself. + + * varasm.c (output_constant): Cast assemble_string argument to char *. + +Mon Apr 10 14:29:28 1995 Torbjorn Granlund <tege@adder.cygnus.com> + + * recog.c (constrain_operands, case 'E'): Make this work like + constraint character `F' when REAL_ARITHMETIC is defined. + * regclass.c (record_reg_classes, case 'E'): Likewise. + * reload.c (find_reloads, case 'E'): Likewise. + +Mon Apr 10 14:30:31 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/aix3newas.h, rs6000/aix41.h: Eliminate March 11th changes + to undefine ASM_OUTPUT_EXTERNAL{,_LIBCALL}, since this causes the + compiler not to bootstrap. + +Mon Apr 10 07:17:39 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cppalloc.c: #include config.h. + * cppexp.c: Add declarations of xmalloc and xrealloc. + (cpp_parse_expr): Cast args to bcopy to char *. + * cpphash.c: Add declaration of xmalloc. + * cpplib.c (init_parse_options, cpp_reader): Cast args to bcopy, + bcmp, and bzero to char *. + (add_import, push_parse_file, init_parse_file): Likewise. + + * c-common.c (enum attrs): New attribute, A_NOCOMMON. + (init_attribute): Initialize it. + (decl_attributes): Implement it. + * varasm.c (make_decl_rtl): Allow section attribute if -fno-common + or variable is not to be placed in common for some other reason. + + * combine.c (simplify_set): Don't move a SUBREG to dest if it + is changing the size of a hard reg in CLASS_CANNOT_CHANGE_SIZE. + + * reload.c (find_equiv_reg): If goal is a pseudo that got memory, + a store into memory makes it invalid. + * reload1.c (reload_as_needed): Call forget_old_reloads_1 on + pattern before reg elimination. + +Mon Apr 10 00:26:14 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.c (pa_reorg): Bump label use count for each entry in an + exploded ADDR_VEC. + +Sun Apr 9 09:22:51 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * i386.md (adddi3, subdi3): Need scratch reg whenever operand 0 in + mem and operands 1 not '0'. + (subdi3): Don't treat two non-equal MEMs as non-aliasing. + +Sat Apr 8 22:53:38 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.c (pa_reorg): Fix typo. + +Sat Apr 8 19:36:36 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/rs6000.h (SELECT_SECTION): TREE_CODE_CLASS must be called + with a tree code, not a tree value. + +Sat Apr 8 12:41:01 1995 Mike Stump <mrs@cygnus.com> + + * cpphash.c: Don't use const on compilers that don't support it. + +Sat Apr 8 16:32:22 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_increment): Handle case where INCREMENTED + has a non-trivial conversion. + +Fri Apr 7 19:33:21 1995 Phil Nelson (phil@cs.wwu.edu) + + * ns32k.h (TRAMPOLINE_TEMPLATE, TRANSFER_FROM_TRAMPOLINE): + Fix assembler syntax errors. + +Fri Apr 7 19:27:23 1995 Pat Rankin (rankin@eql.caltech.edu) + + * cccp.c (VMS_fstat, VMS_stat): New functions. + +Fri Apr 7 19:25:21 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (collect_expansion): If traditional, set stringify + member to SHARP_TOKEN regardless of the value of + stringify_sharp_token_type. + +Fri Apr 7 07:48:35 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (simplify_unary_operation): #ifdef POINTERS_EXTEND_UNSIGNED, + handle sign- or zero-extending addresses. + + * optabs.c (init{,_integral,_floating,_complex}_libfuncs): + Change SUFFIX to "char" to avoid confusion with prototype. + + * explow.c (convert_memory_address): No longer static. + New arg, TO_MODE. + Do something special for SYMBOL_REF, LABEL_REF, and CONST. + (memory_address): Add extra arg to call to convert_memory_address. + * rtl.h (convert_memory_address): Add extra arg. + * expr.c (expand_expr, case ADDR_EXPR): Always call + convert_memory_address when converting; add extra arg. + * stmt.c (expand_computed_goto): Convert from ptr_mode to Pmode. + + * gcc.c (OBJECT_SUFFIX): Default now ".o", not "o". + (all specs): Remove "." before %O; use %O in a few missing cases. + * i386/os2.h (OBJECT_SUFFIX): Delete from here. + * i386/xm-os2.h (OBJECT_SUFFIX): Move to here; now has period. + + * Makefile.in (STAGESTUFF): Use $(exeext) for executables. + +Fri Apr 7 03:32:29 1995 Richard Stallman <rms@mole.gnu.ai.mit.edu> + + * config.sub: Accept -lites* as op sys. + +Thu Apr 6 23:08:50 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * cpplib.c (bcopy, bzero, bcmp): Remove #undefs. + * cppalloc.c (xcalloc): Re-implement using calloc, + rather than malloc+bzero. + * cpplib.c (SELF_DIR_DUMMY): New macro. + (do_include): Don't pass searchptr to finclude if it is dsp, + since that is on the stack, and would cause a dangling pointer. + If handling #include_next, recognize SELF_DIR_DUMMY. + +Fri Apr 7 00:54:24 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.h (MACHINE_DEPENDENT_REORG): Define. + * pa.md (switch_jump): New pattern for jumps which implement + a switch table. + * pa.c (pa_reorg): New function to explode jump tables. + (pa_adjust_insn_length): Account for jumps in switch tables with + unfilled delay slots. + +Thu Apr 6 14:31:10 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * c-typeck.c (build_binary_op): Don't call common_type for + uncommon pointer types. + +Wed Apr 5 13:53:17 1995 Per Bothner <bothner@kalessin.cygnus.com> + + Re-write fixproto/fix-header/etc to use cpplib: + * fix-header.c: Comment out support for adding missing extern "C" + using #ifdef ADD_MISSING_EXTERN_C instead of #if 0. + * fixproto: Removed case of required functions. Instead use ... + * fix-header.c (std_include_table): ... new required-functions table. + (cpp_file_line_for_message, cpp_print_containing_files, cpp_message): + New stub functions, to intercept cpplib error message. + * fixproto: Don't call $CPP, since fix-header now incorporates cpplib. + * gen-protos.c (fatal, hashf): New functions. + (main): Use hashf, instead of hash. + * scan-decls.c (scan_decls, skip_to_closing_brace): Re-write to + take a cpp_reader* as argument, not a FILE*. + * scan.h (hash): Make parameter const. + * scan.c (hash): Removed. + * scan.c (memory_full, xmalloc, xrealloc): Removed. + Use functions from cppalloc.c instead. + * Makefile.in (gen-prtos, fix-header, stmp-fixproto): Update. + +Wed Apr 5 13:24:14 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * cpplib.c (cpp_get_token): If traditional, return after comment, + instead of reading more, so end-of-line can be peeked at. + * cpperror.c (cpp_file_line_for_message, cpp_message): New + functions, that do the actual printing of error messages. + (cpp_print_file_and_line, cpp_error, cpp_warning, cpp_pedwarn, + cpp_error_with_line, cpp_warning_with_line, cpp_pedwarn_with_line, + cpp_pedwarn_with_file_and_line, cpp_error_from_errno, my_strerror, + cpp_perror_with_name): Re-write to use cpp_file_line_for_message + and cpp_message, and move to cpplib.c. + +Tue Apr 4 23:35:49 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/gnu.h (GNU_CPP_PREDEFINES): Remove -D__HURD__. + +Tue Apr 4 17:15:54 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.h (DO_GLOBAL_DTORS_BODY): Fix pointer -> integer assignment + problem. + + * reorg.c (fill_simple_delay_slots): Don't use a JUMP_INSN + a the target of another JUMP_INSN to fill a delay slot. + +Mon Apr 3 19:03:48 1995 Torbjorn Granlund <tege@adder.cygnus.com> + + * cse.c (simplify_unary_operation): Sign-extend constants when + they have the most significant bit set for the target. + + * m68k.md (umulsi3_highpart): Test for CONST_INT and CONST_DOUBLE, + not CONSTANT_P. + (smulsi3_highpart): Likewise. + * m68k.c (const_uint32_operand): New function. + (const_sint32_operand): New function. + * m68k.md (const_umulsi3_highpart): Use const_uint32_operand instead + of immediate_operand for op3. Delete mode. + (const_smulsi3_highpart): Analogous change. + +Mon Apr 3 19:03:48 1995 Jim Wilson <wilson@cygnus.com> + + * cse.c (simplify_binary_operation): Sign-extend constants when + they have the most significant bit set for the target. + + * combine.c (force_to_mode, case PLUS): Sign extend masks that are + negative in OP_MODE. + (simplify_and_const_int): Sign-extend constants when they have the + most significant bit set for the target. + (merge_outer_ops): Likewise. + (simplify_shift_const): Likewise. + +Mon Apr 3 18:23:48 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * toplev.c (lang_options): Add -f{no-,}repo. + +Mon Apr 3 18:13:15 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (nonzero_bits, case REG): Check POINTERS_EXTEND_UNSIGNED. + (num_sign_bit_copies, case REG): Likewise. + * explow.c (convert_memory_address): New function. + (memory_address): Call if it needed. + (promote_mode, case POINTER_TYPE): Use Pmode and pointer extension. + (allocate_dynamic_stack_space): Convert size from ptr_mode. + * expr.c (clear_storage, expand_assignment, store_{expr,constructor}): + Use ptr_mode instead of Pmode in some places. + (expand_expr, expand_builtin): Likewise. + (push_block, store_expr): Convert size to Pmode. + (expand_expr, case ADDR_EXPR): Convert from Pmode to ptr_mode. + +Mon Apr 3 18:00:52 1995 Jim Wilson <wilson@cygnus.com> + + * explow.c (allocate_dynamic_stack_space): Correct typo in last + change. + + * sh.c (gen_shifty_op, case ASHIFTRT): Return 0 if shift count is not + a constant. + +Mon Apr 3 12:17:10 1995 Michael Meissner (meissner@cygnus.com) + + * expmed.c (extract_bit_field): When converting a SUBREG into a + REG, if the system is big endian, adjust the bit offset + appropriately. + +Mon Apr 3 00:08:45 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/i386/linux.h: Include "config/linux.h" instead of + "linux.h", to avoid recursion. + +Sun Apr 2 23:50:27 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/i386/gnuelf.h: Include i386/linux.h instead of + i386/linuxelf.h. + +Sun Apr 2 17:35:10 1995 Jim Wilson <wilson@cygnus.com> + + * cse.c (simplify_relational_operation): Don't simplify A-B for + compare of A and B when the compare is unsigned. + +Sun Apr 2 08:23:38 1995 Paul Eggert <eggert@twinsun.com> + + * fixincludes (stdio.h): BSDI 2.0 changed the spelling of _VA_LIST_ + to _BSD_VA_LIST_. + +Sun Apr 2 07:57:28 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * i386/xm-bsd386.h: New file. + * configure (i[345]86-*-bsd*): Add xm_file. + + * gcc.c (default_compilers): Pass -W and -w to gnat1. + + * winnt/winnt.h (STDC_VALUE): Add #undef. + * i386/winnt.h (LIB_SPEC): Likewise. + +Sun Apr 2 07:55:25 1995 Douglas Rupp (drupp@cs.washington.edu) + + * i386/winnt.h (RETURN_POPS_ARGS, ENCODE_SECTION_INFO): Call + chain_member_purpose, not chain_member_value. + (ASM_FILE_START, LIB_SPEC): Move to here. + * winnt/winnt.h (ASM_FILE_START, LIB_SPEC): Delete from here. + * tree.c (chain_member_purpose): New function. + +Sat Apr 1 12:19:14 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * c-typeck.c (build_binary_op): New variable build_type controls + type given to expression when created. Set to integer_type_node for + comparison ops instead of result_type so result_type still holds type + in which comparison is done. When checking for comparison between + signed and unsigned, use result_type rather than (possibly shortened) + type of op0. Don't warn about equality comparison of signed operand + to unsigned constant that fits in signed type. + +Sat Apr 1 09:47:02 1995 Douglas Rupp (drupp@cs.washington.edu) + + * i386/winnt.h (CPP_PREDEFINES): Add definitions for __stdcall + and __cdecl. + * winnt/winnt.h (LIB_SPEC): Add OLDNAMES.LIB. + * winnt/xm-winnt.h: Remove unneeded #define's for non-ANSI functions. + * fixinc.winnt: Remove unneeded fixes relating to __stdcall. + + * objc/Makefile (SHELL): New definition. + +Sat Apr 1 08:25:26 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (cse_insn): When emitting a BARRIER, don't put it after + a deleted insn. + + * reload.c (push_reload): Initialize secondary_{in,out}_icode. + + * gcc.c (print_multilib_info): Don't use LAST_PATH if not set. + +Sat Apr 1 08:15:59 1995 Pat Rankin (rankin@eql.caltech.edu) + + * vax.md (extv, extzv): Don't use immediate value for operand 1. + +Sat Apr 1 07:48:29 1995 Yury Shevchuk (sizif@botik.yaroslavl.su) + + * stmt.c (expand_asm_operands): Properly ignore invalid reg in clobber. + +Sat Apr 1 07:02:24 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c: General code cleanup. + Add prototypes for static functions. + Remove unnecessary casts to (char *); add casts to (U_CHAR *). + Add parentheses suggested by `gcc -Wparentheses'. + Rename local variables as suggested by `gcc -Wshadow'. + <fcntl.h>, <stdlib.h>, <string.h>, <unistd.h>: New includes. + <sys/time.h>, <sys/resource.h>: Include only if defined(RLIMIT_STACK). + <time.h>: Include, unless <sys/time.h> already does. + (HAVE_FCNTL_H, HAVE_STDLIB_H, HAVE_SYS_TIME_H): New symbols. + (HAVE_UNISTD_H, STDC_HEADERS, TIME_WITH_SYS_TIME): Likewise. + (__attribute__, PROTO, VA_START, PRINTF_ALIST, PRINTF_DCL): New macros. + (PRINTF_PROTO{,_1,_2,_3}, DO_PROTO): Likewise. + (bcopy, bzero, bcmp): If #defined by configuration file, use that. + If STDC_HEADERS is defined, use standard C functions. + If BSTRING is defined, or USG and VMS are not defined, use + the C library. Otherwise, use my_bcopy, my_bzero, my_bcmp. + (localtime): Remove no-longer-necessary explicit declaration. + (getenv, index, rindex): Don't declare explicitly if the + appropriate system header should declare it. + (fdopen): Remove no-longer-used declaration. + (vprintf): Define a subsitute macro if !defined(HAVE_VPRINTF). + (main): Replace `fdopen (dup (fileno (stdout)), "w"))' + with `stdout'. + (get_lintcmd, rescan, create_definition): Use bcmp instead of strncmp + when both operands are known to be free of null bytes. + (check_macro_name, compare_defs, collect_expansion): Likewise. + (do_assert, compare_token_lists, assertion_lookup, do_line): Likewise. + (skip_if_group, lookup): Likewise. + (rescan): Remove unused label `startagain'. + Abort instead of printing nonsense if the stack is corrupted + when there was an unterminated successful conditional. + (pcfinclude): Include explicit double-cast through GENERICPTR + to identify particularly egregious type puns. + (create_definition, do_define, check_macro_name): Use %.*s + printf format to avoid painful copying-and-casting. + (do_once): Return void, not (unused) int. + (do_ident, do_pragma, do_sccs): Accept extra arguments so that + all directive-handler's types match. + (do_sccs): Define only if SCCS_DIRECTIVE is defined. + (skip_if_group, dump_single_macro): Add `default: break;' to + keep -Wswitch happy. + (error, warning, error_with_line, vwarning_with_line, pedwarn): Use + stdarg/vararg/vfprintf instead of passing bogus char * args around. + (pedwarn_with_line, pedwarn_with_file_and_line, fatal): Likewise. + (verror, vwarning, verror_with_line, vwarning_with_line): New fcns. + (dump_single_macro): Abort if ap points to garbage. + (make_definition, make_undef, make_assertion): Parameter now char *. + (xmalloc, xrealloc, xcalloc, savestring, index0): Make sizes size_t + instead of unsigned; make pointer parameters GENERICPTR, not char *. + (xcalloc): Use bzero to clear memory instead of using own loop. + +Fri Mar 31 08:33:07 1995 Ken Raeburn (raeburn@wombat.gnu.ai.mit.edu) + + * longlong.h (umul_ppmm mc68000): Use %# instead of #. + +Fri Mar 31 06:37:54 1995 Michael Meissner (meissner@cygnus.com) + + * stor-layout.c (layout_decl): Implment -fpack-struct. + (layout_record): Ditto. + + * flags.h (flag_pack_struct): New flag variable. + + * toplev.c (flag_pack_struct): New flag variable. + (f_options): Add -fpack-struct support. + + * Makefile.in (stor-layout.o): Add flags.h dependency. + +Fri Mar 31 08:40:16 1995 Douglas Rupp (drupp@cs.washington.edu) + + * configure (i[345]86-*-winnt3*): Add tmake_file. + * i386/x-winnt (winnt.o): Deleted. + * i386/t-winnt: New file. + +Fri Mar 31 07:26:37 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * m68k/netbsd.h, m68k/hp3bsd44.h: Remove #include of machine/ansi.h. + + * configure (a29k-*-bsd): Set tmake_file to t-libc-ok. + + * stmt.c (expand_asm_operands): Properly handle output that can't + be directly written into. + + * c-parse.in (structsp): Correct error in last change. + * c-common.c (init_attributes): A_FORMAT is only for decls. + +Thu Mar 30 18:27:34 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * libgcc2.c: Remove explicit 0-initializations of static variables. + +Thu Mar 30 18:22:39 1995 Fergus Henderson <fjh@cs.mu.oz.au> + + * c-typeck.c (internal_build_compound_expr): Warn if LHS of comma + expression has no side effects, or computes value which is not used. + * stmt.c (make warn_if_unused_value): No longer static. + * tree.h (warn_if_unused_value): Add declaration. + +Thu Mar 30 18:15:11 1995 Jim Wilson <wilson@cygnus.com> + + * combine.c (get_last_value): Revert back to use prev_nonnote_insn + instead of prev_real_insn. Modify test that ignores USE insns. + + * rs6000.h (SELECT_SECTION): Apply constant DECL_INITIAL test + only to DECLs. + + * explow.c (allocate_dynamic_stack_space): Test STACK_BOUNDARY against + BIGGEST_ALIGNMENT at run time instead of at compile time. + Give MUST_ALIGN macro a value, and test this value in if statements. + +Thu Mar 30 08:59:56 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in: Now have 27 shift/reduce conflicts. + (attribute_list): Just make chain of all attributes. + (attrib): Consistently put name as PURPOSE, args, if any, as VALUE. + (structsp): Allow attributes on any struct or union. + * c-common.c (enum attrs): New enum class. + (attrtab, attrtab_idx): New variables. + (add_attribute, init_attributes): New functions. + (decl_attributes): Major rewrite. + * tree.c (valid_machine_attribute): Now receive name and args. + +Thu Mar 30 07:20:14 1995 Paul Eggert <eggert@twinsun.com> + + * protoize.c: Use the phrase `preprocessing directive' consistently. + * cccp.c (handle_directive, do_line, skip_if_group): Likewise. + (output_line_directive): Renamed from output_line_command. + (no_line_directives): Renamed from no_line_commands. + + * cccp.c (rescan): Don't recognize preprocessing directives + within macro args. Warn if one is found. + +Thu Mar 30 06:20:36 1995 H.J. Lu (hjl@nynexst.com) + + * configure (i[345]86-*-linux*): Set xmake_file=x-linux, + tm_file=i386/linux.h, and don't set extra_parts. + (i[345]86-*-linux*aout*): New configuration. + (i[345]86-*-linuxelf): Deleted. + * config/linux{,-aout}.h, config/x-linux, config/xm-linux.h: New files. + * config/i386/linux-aout.h: New file. + * config/i386/linux.h: Extensive modifications to use ELF format + as default. + (LIB_SPEC): Don't use libc_p.a for -p. don't use libg.a + unless for -ggdb. + (LINUX_DEFAULT_ELF): Defined. + * config/i386/linuxelf.h,config/i386/x-linux: Files deleted. + * config/i386/xm-linux.h: Just include xm-i386.h and xm-linux.h. + +Wed Mar 29 19:09:36 1995 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__throw_type_match): Update to use new calling convention. + +Wed Mar 29 14:53:23 1995 Jim Wilson <wilson@cygnus.com> + + * gcc.c (process_command): Delete code modifying gcc_exec_prefix. + (main): Put it here after last use of gcc_exec_prefix. For cross + compiler, set startfile_prefixes if gcc_exec_prefix is set and + standard_startfile_prefix is a relative path. + + * combine.c (make_compound_operation, AND case): Undo July 7, 1994 + change. + + * mips/mips.md (call_internal1, call_value_internal1): Move %* from + start of assembler output to immediately before the jal. + + * mips/mips.c (function_prologue): Put SDB_DEBUGGING_INFO ifdef around + code for SDB_DEBUG support. + (mips_select_rtx_section, mips_select_section): Change rdata_section + to READONLY_DATA_SECTION and sdata_section to SMALL_DATA_SECTION. + * mips/mips.h (SMALL_DATA_SECTION): Define. + + * reorg.c (mark_referenced_resources): Make setjmp use all registers. + + * flow.c (mark_used_regs, case SUBREG): Only fall through to REG case + if operand is a REG. + + * i960/i960.h (TARGET_SWITCHES): Make -mold-align set + TARGET_FLAG_STRICT_ALIGN. + (STRICT_ALIGNMENT): Test TARGET_STRICT_ALIGN. + + * sh/sh.c (andcosts): Modify costs to match the hardware, and add + explanatory comments. + + * sparc/sol2.h (CPP_PREDEFINES): Add -D__SVR4. + +Wed Mar 29 14:30:30 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/rs6000.md (movsf): When moving to/from integer registers, + don't move floating point to memory if it is being simulated with + -msoft-float. + +Wed Mar 29 06:47:36 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in (initdcl): Only call decl_attributes once. + * c-common.c (decl_attributes): Clean up test for __mode__. + +Tue Mar 28 08:34:37 1995 John Hassey (hassey@dg-rtp.dg.com) + + * i386.md (adddi3): Don't treat two non-equal MEMs as non-aliasing. + +Tue Mar 28 08:20:49 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * a29k.h (CONSTANT_ADDRESS_P): Provide consistent definition. + +Tue Mar 28 07:26:41 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (do_xifdef, do_endif): Remove unnecessary pointer comparisons. + +Mon Mar 27 20:45:15 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (expand_call, store_one_arg): Don't set KEEP in calls + to assign_stack_temp. + * function.c (preserve_temp_slots): Clear ADDR_TAKEN on item + that we are preserving. + +Mon Mar 27 14:39:35 1995 Ian Lance Taylor <ian@cygnus.com> + + * mips/mips.h (FIRST_PSEUDO_REGISTER): Increment. + (FIXED_REGISTERS, CALL_USED_REGISTERS): Add new register. + (MD_REG_LAST): Increment. + (ST_REG_FIRST, ST_REG_LAST): Increment. + (HILO_REGNUM): Define. + (enum reg_class): Add HILO_REG. + (REG_CLASS_NAMES): Add "HILO_REG". + (REG_CLASS_CONTENTS): Add HILO_REG initializer, and adjust ST_REGS + and ALL_REGS initializers. + (SECONDARY_RELOAD_CLASS): Remove. + (SECONDARY_INPUT_RELOAD_CLASS): Define. + (SECONDARY_OUTPUT_RELOAD_CLASS): Define. + (REGISTER_MOVE_COST): Treat HILO_REG as MD_REGS. + (REGISTER_NAMES): Add initialization line. + (DEBUG_REGISTER_NAMES): Add "accum". + * mips/mips.md: For each instruction which sets HI or LO, clobber + HILO_REGNUM with (clobber (match_scratch:MODE N "=a")). Change + each explicit reference to register 66 to register 67. + (mulsidi3): Change to define_expand. + (mulsidi3_internal): New name of old mulsidi3. + (mulsidi3_64bit): New insn. + (umulsidi3): Change to define_expand. + (umulsidi3_internal): New name of old umulsidi3. + (umulsidi3_64bit): New insn. + (madddi_64bit, umaddi_64bit): New insns. + (movdi_internal2): Add case for setting HILO_REG to zero. + (reload_indi, reload_outdi): New define_expands. + (movsi_internal1, movsi_internal2): Add cases for setting MD_REGS + to zero, and for setting a general reg to HILO_REG. + (reload_outsi): New define_expand. + * mips/mips.c (mips_reg_names): Add "accum". + (mips_sw_reg_names): Likewise. + (mips_regno_to_class): Map HILO_REGNUM to HILO_REG. + (mips_move_1word): Handle moving HILO_REGNUM to a general + register. Make sure that the normal MD_REG cases aren't used for + HILO_REGNUM. Handle moving zero to a MD_REG. + (mips_move_2words): Make sure that the normal MD_REG cases aren't + used for HILO_REGNUM. Handle moving zero to a MD_REG. + (override_options): Set mips_char_to_class for 'a' and 'b'. + (mips_secondary_reload_class): Add in_p argument. Handle + HILO_REGNUM. + +Mon Mar 27 07:16:05 1995 Warner Losh <imp@village.org> + + * gcc.c: Removed __NetBSD__ from conditional. + Declare strerror if HAVE_STRERROR is defined; otherwise + declare sys_errlist and sys_nerr. + (my_strerror): New function. + +Fri Mar 24 18:08:14 1995 Jason Merrill <jason@python.cygnus.com> + + * i386/linux.h (LIB_SPEC): Don't try to link with libraries we + know only exist in archive form unless -static. + +Fri Mar 24 16:12:16 1995 Doug Evans <dje@cygnus.com> + + * Makefile.in (multilib.h): Depend on Makefile, not config.status. + +Fri Mar 24 15:01:17 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/rs6000.h (TARGET_MULTIPLE_SET): New target_flags bit that + indicates -mmultiple or -mno-multiple was explicitly passed by the + user, and not set as part of the cpu defaults. + (TARGET_SWITCHES): Set TARGET_MULTIPLE_SET bit for both -mmultiple + and -mno-multiple. + + * rs6000/rs6000.c (rs6000_override_options): If -mmultiple or + -mno-multiple was explicitly used, don't override the setting with + the processor default. + +Wed Mar 22 21:42:13 1995 Doug Evans <dje@cygnus.com> + + * i960/i960.c (i960_function_arg_advance): Ensure all regs marked + as used if stack is also used (for va_start). + (i960_setup_incoming_varargs): Rewrite to be similar to Intel's + version, but don't allocate reg block unless necessary. + * ginclude/va-i960.h (varargs va_start): Save g14 explicitly. + Account for arguments preceding va_alist. + +Wed Mar 22 13:24:55 1995 Torbjorn Granlund <tege@adder.cygnus.com> + + * pa.c (singlemove_string): Handle SFmode constants again. Simplify. + (zdepi_cint_p): Make some variables HOST_WIDE_INT. + (lhs_lshift_cint_operand): Likewise. + (output_and): Likewise. + (output_ior): Likewise. + +Wed Mar 22 12:40:09 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh.md (udivsi3): Don't clobber register 6. + (udivsi3, divsi3, mulsi3_call): Use a pseudo-reg with regclass 'z' + for output rather than hard register 0. + (block_move_real): Don't clobber registers 4 and 5. + + * mips.c (mips_select_section): Apply constant DEC_INITIAL tests + only to VAR_DECLs. + +Wed Mar 22 03:53:17 1995 Richard Stallman <rms@mole.gnu.ai.mit.edu> + + * config.sub (rm400, rm600): New machine names. + (sinix5.*, sinix): New os aliases. + (mips-siemens): Default os to sysv4. + +Mon Mar 20 21:56:47 1995 Per Bothner <bothner@kalessin.cygnus.com> + + Merged Paul Eggert's patch to cccp.c of Wed Mar 8 18:21:51 1995: + * cpplib.c (do_include): Fix type typo: pcfbuflimit is char *, not int. + + Merged Doug Evans' patch to cccp.c of Mon Feb 27 17:06:47 1995: + * cpplib.c (do_include): Check for redundant file before opening in + relative path case. Don't call fstat unnecessarily. + + Merged J.T. Conklin's patch to cccp.c of Wed Feb 22 20:29:31 1995: + * cpperror.c: Removed __NetBSD__ from conditional. + + Merged Kenner's patch to cccp.c & cexp.y of Tue Sep 20 17:49:47 1994: + * cppexp.c (struct operation): Make value by HOST_WIDE_INT. + (cpp_parse_expr): Change return type to HOST_WIDE_INT. + * cpplib (eval_if_expr): Likewise. + (do_if, do_elif): Update appropriately. + * cpplib.h (cpp_parse_expr): Removed, to avoid defining HOST_WIDE_INT. + + Merged Paul Eggert's patch to cccp.c of Mon Aug 8 19:42:09 1994: + * cpplib.c (create_definition): Warn about `#define a@', since a + diagnostic is now required (see ISO TC1's addition to subclause 6.8). + Also warn about `#define is-empty(x) (!x)'. + +Tue Mar 21 00:10:50 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * x-pa (CC): Add "-Dbsd4_4". + +Mon Mar 20 18:40:31 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * toplev.c (print_error_function): New function hook. + (default_print_error_function): New function. Default value + of print_error_function. Code moved here from report_error_function. + (report_error_function): Use print_error_function hook. + +Mon Mar 20 20:27:43 1995 Doug Evans <dje@cygnus.com> + + * cccp.c (do_xifdef): Handle c++ comments. + (do_endif): Likewise. + +Mon Mar 20 15:31:45 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * configure (i386 configurations): Prepend i386/ to t-crt*. + +Mon Mar 20 07:58:04 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stmt.c (fixup_gotos): Add missing call from last change. + + * objc/misc.c: Put Alpha-specific decls before #include of runtime.h. + + * alpha.h (EXTRA_SECTIONS): Write zeros first time in .rdata. + +Sat Mar 18 16:37:24 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * flow.c (mark_used_regs, case SUBREG): Set reg_changes_size even + for integer modes. + (mark_used_regs): Set reg_changes_size for RHS, if necessary. + * combine.c (gen_lowpart_for_combine): Set reg_changes_size, if needed. + * reload.c (push_reload): Reload a SUBREG if paradoxical and + class is CLASS_CANNOT_CHANGE_SIZE. + * reload1.c (gen_reload): Handle paradoxical SUBREGs. + * alpha.h (SECONDARY_{INPUT,OUTPUT}_RELOAD_CLASS): Need GENERAL_REGS + for paradoxical SUBREG and FLOAT_REGS. + (SECONDARY_NEEDED_MODE): Use actual mode for 4 bytes or wider. + * alpha.md (movsi): Allow FP regs and add case for store of FP reg. + Remove cvtlq from MEM to FP reg case. + + * rtl.h (emit_insns_after): Add declaration. + * stmt.c (fixup_gotos): Do a cleanup for a block when it is exited + even if label if not defined yet. + + * function.c (pop_function_context): Fix error in last change; + reference old value of current_function_decl before we modify it. + +Fri Mar 17 21:57:44 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * toplev.c (rest_of_compilation): Handle -Wreturn-type properly + for inlines we aren't compiling yet. + +Fri Mar 17 21:26:48 1995 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__register_exceptions): Handle empty tables. + +Fri Mar 17 11:48:31 1995 Douglas Rupp (drupp@cs.washington.edu) + + * i386/winnt.c (winnt_function_prologue): Deleted. + (gen_stdcall_suffix): New function. + +Thu Mar 16 17:36:52 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * svr4.h (LINK_SPEC): If the user did not specify -h name, use the + output file name, if any. + * sparc/sol2.h (LINK_SPEC): Ditto. Also, if the user did not + specify -R path, add an -R for each -L. + + Move SunOS 4-specific assembler switches into the appropriate place. + * m68k/sun[23].h (ASM_SPEC): Add %{R} %{j} %{J} %{h} %{d2} + %{keep-local-as-symbols:-L}. + * i386/sun.h (ASM_SPEC): Add %{R} %{keep-local-as-symbols:-L}. + * sparc/sparc.h (ASM_SPEC): Ditto. + * gcc.c (default_compilers): Remove %{R} %{j} %{J} %{h} %{d2} + %{keep-local-as-symbols:-L} from assembler rules. + +Thu Mar 16 16:58:09 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/eabi-ctors.c: New file, handle C++ static constructors + and destructors without requiring anything else from a libc. + + * rs6000/t-eabi (LIB2FUNCS_EXTRA): Build eabi-ctors.c. + + * rs6000/eabi.asm: Do not load up register 2 if there is no .got + section. Jump to the __do_global_ctors function at the end of + processing to call C++ static constructors, and it will return to + __eabi's caller. Use normal volatile registers, instead of saving + and restoring registers 30 and 31. + + * rs6000/eabi.h (STARTFILE_SPEC): Define as null. + (LIB_SPEC): Ditto. + (ENDFILE_SPEC): Ditto. + (LIBGCC_SPEC): Always look for libgcc.a. + +Thu Mar 16 17:05:14 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (warn_if_unused_value, case SAVE_EXPR): New case. + (warn_if_unused_value, case NOP_EXPR): OK if CALL_EXPR inside. + + * c-common.c (decl_attributes): Allow alignment for TYPE_DECLs. + + * Makefile.in (xsys-protos.h): Fix typo in -U operand. + +Thu Mar 16 13:49:10 1995 Per Bothner <bothner@rtl.cygnus.com> + + * cpplib.c, cpplib.h: New files - a C PreProcessor library. + * cpphash.c, cpphash.h, cppalloc.c, cpperror.c, cppexp.c: + New files - utility features used by cpplib. + * cppmain.c: New file - cpp replacement main program for cpplib. + * Makefile.in: New rules to build cppmain. + +Thu Mar 16 16:11:05 1995 Douglas Rupp (drupp@cs.washington.edu) + + * i386/winnt.h (FUNCTION_PROLOGUE, HAVE_probe, gen_probe): Deleted. + (ENCODE_SECTION_INFO, VALID_MACHINE_DECL_ATTRIBUTE): New macro. + +Thu Mar 16 15:58:24 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (apply_distributive_law, case SUBREG): Fix typo when + checking for paradoxical SUBREG. + +Wed Mar 15 18:45:08 1995 Doug Evans <dje@cygnus.com> + + * libgcc1-test.c: Renamed from cross-test.c. + * Makefile.in (LIBGCC1_TEST): Renamed from CROSS_TEST. + (all.cross): Delete $(ENQUIRE) dependency. + (libgcc1-test): Renamed from cross-test. + Delete unnecessary gcc-cross and $(LIBGCC) dependencies. + Link with -nostartfiles -nostdlib + `$(GCC_FOR_TARGET) --print-libgcc-file-name`. + (libgcc1-test.o): Renamed from cross-test.o. + Change gcc-cross dependency to xgcc since the latter is used. + +Wed Mar 15 13:49:21 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * tree.c (save_tree_status): Now takes a tree 'context' instead of + a boolean 'toplevel' as an argument. If 'context' is not + current_function_decl, create a new obstack for the new function. + Also save inline_obstacks. + (restore_tree_status): No longer takes a second argument. Also + restore inline_obstacks. + (temporary_allocation): Clear inline_obstacks. + (permanent_allocation): Free up the obstacks in inline_obstacks. + + * function.h (struct function): New fields contains_functions and + inline_obstacks. + + * function.c (push_function_context_to): Now takes a tree + 'context' instead of a boolean 'toplevel' as an argument. + Also save current_function_contains_functions. + (push_function_context): Pass current_function_decl to it. + (pop_function_context_from): Takes 'context' instead of 'toplevel'. + Set current_function_contains_functions properly. + (pop_function_context): Pass current_function_decl to it. + +Wed Mar 15 14:53:09 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/rs6000.md (abssi2): Turn into a define_expand. If + TARGET_POWER, do old code that uses the abs instruction. If not, + do abs in three instructions, using a temporary register, which + enables generating more reasonable code for sne. Add a recognizer + for negative of the absolute value. Add define_splits for the + PowerPC. + (sne insn): Add a recognizer for sne on the PowerPc to use two + instructions, compared to the four generated using the absolute + value insn. + +Tue Mar 14 18:38:40 1995 J.T. Conklin <jtc@cygnus.com> + + * m68k.md ({add,sub,mul,div}[sdx]f3): Add new patterns for recognizing + SImode, HImode, and QImode operands. + +Mon Mar 13 18:59:36 EST 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (CPP_SPEC): Add PPC403. + (processor_type): Add PPC403. + (RTX_COSTS): Add PPC403. + * powerpc.h (CPP_SPEC): Add PPC403. + * sysv4.h (CPP_SPEC): Add PPC403. + * rs6000.c (processor_target_table): Add PPC403. + * rs6000.md (define_attr cpu and function units): Add PPC403. + +Mon Mar 13 14:40:23 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/rs6000.md (call, call_value insns): Do not put a nop + after a bl instruction on System V.4 and eABI. + + * rs6000/sysv.4 (SUBTARGET_SWITCHES): Add support for + -mno-traceback to suppress the V.4 traceback word. + (ASM_DECLARE_FUNCTION_NAME): Don't put out a traceback work if + -mno-traceback. + +Mon Mar 13 13:36:37 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * t-svr4, i386/t-{crtpic,sol2}, m88k/t-svr4, sparc/t-sol2: + Use -fPIC, rather than -fpic, for building crtstuff. + +Sat Mar 11 17:27:08 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * configure: Use aix3newas.h for AIX 3.2.4 and 5. + * rs6000/aix41.h: Undefine ASM_OUTPUT_EXTERNAL{,_LIBCALL}. + * rs6000/aix3newas.h: New file. Define ASM_SPEC to -u, and + undefine ASM_OUTPUT_EXTERNAL{,_LIBCALL}. + +Sat Mar 11 06:42:50 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * dbxout.c (dbxout_symbol): Properly handle decl whose DECL_NAME + points to a TYPE_DECL with a zero TYPE_NAME. + +Fri Mar 10 18:18:33 1995 Torbjorn Granlund <tege@cygnus.com> + + * pa.h (PROMOTE_MODE): Define. + +Fri Mar 10 14:37:58 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sdbout.c (sdbout_record_type_name): If TYPE_NAME is + a TYPE_DECL, get name from DECL_NAME. + +Fri Mar 10 14:09:26 1995 Doug Evans <dje@cygnus.com> + + * arm/riscix.h (SUBTARGET_SWITCHES): Renamed from + ARM_EXTRA_TARGET_SWITCHES. + * arm/riscix1-1.h (SUBTARGET_SWITCHES): Likewise. + * arm.h (SUBTARGET_SWITCHES): Likewise. + (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define. + (TARGET_SWITCHES): Add -msoft-float, -mhard-float. + (BYTES_BIG_ENDIAN): Delete #ifndef/#endif. + (CONDITIONAL_REGISTER_USAGE): If -msoft-float, disable fp regs. + (FUNCTION_VALUE): R16 is return reg only if !-msoft-float. + (LIBCALL_VALUE): Likewise. + * arm.md (all fp patterns): Conditionalize on TARGET_HARD_FLOAT. + (*movsf_soft_insn, *movdf_soft_insn): New patterns. + +Fri Mar 10 13:53:46 1995 Jim Wilson <wilson@cygnus.com> + + * reorg.c (steal_delay_list_from_target): Exit at the top if the + branch in SEQ is not a single set. + + * sh.md (movdi define_split, movdf define_split): Correct indentation + and formatting. Make the condition fail if an operand is a MEM + with an auto-inc address. + + * varasm.c (copy_constant): Copy operand of ADDR_EXPR if it is a + constant. + + * mips/abi64.h (SETUP_INCOMING_VARARGS): Correct arguments to + move_block_from_reg call. + + * expr.c (expand_assignment): When offset is zero, make new MEM + before setting MEM_VOLATILE_P. + + * reload.c (find_reloads, case 'o'): Accept a fully reloaded + auto-increment address. + + * combine.c (max_uid_cuid): New static variable. + (INSN_CUID): Call abort if INSN is out of range. + (combine_instructions): Set max_uid_cuid. Set uid_cuid directly + instead of through INSN_CUID. + (get_last_value): Use prev_real_insn instead of prev_nonnote_insn. + Ignore USE insns generated by combine. + +Fri Mar 10 13:47:08 1995 Rod Barman <rodb@cs.ubc.ca> + + * m68k/fpgnulib.c (__fixdfsi): Catch values < 0.5 in magnitude. + +Fri Mar 10 12:02:33 1995 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Fix `typedef struct term;' on hppa1.1-hp-hpux9. + +Fri Mar 10 05:50:11 1995 Oliver Kellogg (Oliver.Kellogg@RST13.DASA.DBMAIL.d400.de) + + * 1750a.c (sectname): Reverse Init and Normal. + (print_operand_address, case PLUS): Add case for LABEL_REF. + (print_operand_address, case LABEL_REF): Split fom SYMBOL_REF. + (print_operand_address, case CODE_LABEL): New case. + (ASM_FILE_END): Delete. + * 1750a.h (FUNCTION_EPILOGUE): Restore stack before freeing local vars. + (DEFAULT_SIGNED_CHAR): Now 1. + (DATA_SECTION_ASM_OP): Use pseudo-op for read-only data (later copied). + (JUMP_TABLES_IN_TEXT_SECTION): Define. + (ASM_OUTPUT_ASCII): Split into multiple lines if long. + (ASM_OUTPUT_{CHAR,SHORT,INT,LONG_INT}): Split up. + (ASM_OUTPUT_COMMON): Call check_section. + +Thu Mar 9 12:46:53 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (movsf): Do not call truncdfsf2 for non PowerPC + when expanding a store to memory and -msoft-float was used. + +Thu Mar 9 08:51:35 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-decl.c (start_function): Handle new parameter ATTRIBUTES. + * c-tree.h (start_function): Add new parameter. + * c-lang.c (finish_file): Pass new parm to start_function. + * objc-act.c (build_module_descriptor, really_start_method): Likewise. + * c-parse.in (fndef, nested_function): Pass prefix_attributes + to start_function. + (setspecs): Save prefix_attributes in declspec_stack. + (decl rules): Restore prefix_attributes along with current_declspecs. + (setattrs): Concatenate prefix_attributes to previous value. + * c-common.c (decl_attributes): Handle prefix and suffix attributes + the same way. + + * print-tree.c (print_node): Fix typo in printing large INTEGER_CST. + + * varasm.c (assemble_variable): Consistently use DECL_SIZE for + everything. + + * c-typeck.c (convert_for_assignment): Fix typo in testing for + pointer to function type. + + * varasm.c (record_constant_1): Handle NON_LVALUE_EXPR. + Rewrite to use switch instead of if/then/elseif/else. + +Wed Mar 8 18:21:51 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (do_include): Fix type typo: pcfbuflimit is char *, not int. + +Wed Mar 8 17:30:29 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (force_fit_type): Always propagate OVERFLOW. + + * rtl.def (INLINE_HEADER): Add new "e" field. + * rtl.h (FORCED_LABELS): New field; other fields adjusted. + (gen_inline_header_rtx): New parm FORCED_LABELS. + * emit-rtl.c (gen_inline_header): Add new parm FORCED_LABELS. + * integrate.c (initialize_for_inline, output_inline_function): + Handle FORCED_LABELS. + +Wed Mar 8 13:47:20 1995 Jason Merrill (jason@cygnus.com) + + * alpha.h (WORD_SWITCH_TAKES_ARG): Add -rpath. + (LINK_SPEC): Pass through -taso and -rpath. + * alpha/osf12.h (LINK_SPEC): Ditto. + +Wed Mar 8 09:59:56 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/eabi.asm: Rewrite so that the initialized pointers go + into the .got2 section, which allows eabi.asm to be assembled with + the -mrelocatable option. Move the data picked up from the bl + instruction to before the traceback tag. + + * rs6000/sysv4.h (CPP_SPEC): Define _RELOCATABLE if -mrelocatable + switch is used. + + * libgcc2.c (__new_handler): Don't initialize the pointer variable + with the address of __default_new_handler, which may not work in + some shared library mechanisms. + (__builtin_new): If __new_handler is NULL, call the function + __default_new_handler. + +Tue Mar 7 17:34:59 1995 Ian Lance Taylor <ian@cygnus.com> + + * i960.h (PROCESS_PRAGMA): Define. + (ROUND_TYPE_ALIGN): Pass maximum of COMPUTED and SPECIFIED to + i960_round_align. + (ROUND_TYPE_SIZE): Delete. + * i960.c (process_pragma): Uncomment, and rewrite for gcc 2. + (i960_round_size): Delete. + (i960_round_align): Don't adjust suggested alignment downward. + Restrict alignment to value set by #pragma align. + +Tue Mar 7 12:14:46 1995 Doug Evans <dje@cygnus.com> + + * configure (sparc64-*-elf): Add crtbegin.o, crtend.o to extra_parts. + * sparc/sp64-elf.h (TARGET_VERSION): Define. + (CPP_PREDEFINES): Delete sun, sparc, unix. Delete OS assertions. + (ASM_SPEC): Define. + (LINK_SPEC): Delete solaris stuff, this is an embedded target. + (STARTFILE_SPEC, ENDFILE_SPEC): Define. + +Mon Mar 6 17:54:01 1995 Doug Evans <dje@cygnus.com> + + * Makefile.in (install-common): Fix typo in installation of cpp. + Likewise with gcc-cross. + +Mon Mar 6 02:29:05 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.md (movsicc): New expander. + +Fri Mar 3 13:34:20 1995 Michael Meissner (meissner@cygnus.com) + + * rs6000/sysv4.h (ASM_SPEC): If -mrelocatable was passed to + compiler, pass it on to the assembler. + +Fri Mar 3 12:11:28 1995 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Add fixes for VxWorks header files. + * ginclude/stddef.h: If VxWorks typedef macros are defined, invoke + them as appropriate. + +Fri Mar 3 05:48:54 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (dump_single_macro): Fix typo: % wasn't properly + doubled in printf formats. + +Thu Mar 2 19:44:02 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * expr.c (expand_expr, CLEANUP_POINT_EXPR): Force the operand out + of memory before running cleanups. + +Thu Mar 2 19:15:24 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): Prevent accidental token-pasting to + get !=, *=, /=, ==, or ^=. + +Thu Mar 2 15:37:13 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * c-typeck.c (build_binary_op): Avoid spurious warning + comparing enumerator to unsigned variable. + +Thu Mar 2 18:18:38 1995 J.T. Conklin <jtc@netbsd.org> + + * m68k.md (sqrtsf2,sqrtdf2): Use fp precision specifiers. + +Thu Mar 2 18:09:01 1995 Stephen L Moshier (moshier@world.std.com) + + * c-lex.c (yylex, case !NOT_FLOAT): Remove previous change. + +Thu Mar 2 15:26:50 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Makefile.in (bootstrap*): Pass new STAGE_PREFIX to recursive makes. + +Wed Mar 1 14:52:16 1995 Ian Lance Taylor <ian@cygnus.com> + + * i960/i960-coff.h (ASM_FILE_START): Define. + (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Define. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Define. + (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Define. + (INT_ASM_OP): Define. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define. + * i960/vx960-coff.h (CPP_PREDEFINES): Define. + (CPP_SPEC): Define. + (CC1_SPEC): Default to -mca. + +Wed Mar 1 11:10:54 1995 Michael Meissner (meissner@cygnus.com) + + * rs6000/rs6000.c (output_prologue): Do not emit the word that + gives the PC relative location to the local GOT table for the + -mrelocatable option here. + * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Emit it here. + + * t-eabi (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Build -msoft-float + and -mrelocatable versions of the library. + + * rs6000/powerpc.h (CPP_PREDEFINES): Define the cpu and machine as + powerpc, not rs6000. + + * libgcc2.c (_unwind_function): Clone for powerpc, using the + PowerPC mnemonics. + + * rs6000/rs6000.md (uminsi3, umaxsi3): Silence warnings that + -2147483648 is too large to fit in a signed integer on 32-bit + hosts. + +Wed Mar 1 06:48:31 1995 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * fold-const.c (decode_field_reference): Don't check TREE_CODE + of EXP; let get_inner_reference decide if have reference. + Allow no bit reference if have AND_MASK. + (all_ones_mask_p): Use tree_int_cst_equal, not operand_equal_p. + (unextend): New function. + (fold_truthop): For constant cases, use new function, rework + conversion, and warn if comparison can never be true. + + * expr.c (store_expr): Do conversion in two steps for promoted lhs. + +See ChangeLog.9 for earlier changes. |