diff options
author | Miod Vallat <miod@cvs.openbsd.org> | 2006-11-28 11:13:23 +0000 |
---|---|---|
committer | Miod Vallat <miod@cvs.openbsd.org> | 2006-11-28 11:13:23 +0000 |
commit | 463487bb60a7b8bd22348240a0e858c346aa4e82 (patch) | |
tree | 4006c20488d45e50ec0fa0b4aa4c5ae5a7e3fa9d | |
parent | f150b98827d008a24f1f65b415888beb2ed3bc6d (diff) |
Turn OVERRIDE_OPTIONS macro into a function, so that we can put
preprocessor directives in it; then do our changes only if either
OPENBSD_NATIVE or OPENBSD_CROSS is defined; then disable -fregmove
for now.
ok otto@
-rw-r--r-- | gnu/usr.bin/gcc/gcc/config/sh/openbsd.h | 4 | ||||
-rw-r--r-- | gnu/usr.bin/gcc/gcc/config/sh/sh-protos.h | 2 | ||||
-rw-r--r-- | gnu/usr.bin/gcc/gcc/config/sh/sh.c | 119 | ||||
-rw-r--r-- | gnu/usr.bin/gcc/gcc/config/sh/sh.h | 111 |
4 files changed, 122 insertions, 114 deletions
diff --git a/gnu/usr.bin/gcc/gcc/config/sh/openbsd.h b/gnu/usr.bin/gcc/gcc/config/sh/openbsd.h index 6511bcb0a86..ce6af42e356 100644 --- a/gnu/usr.bin/gcc/gcc/config/sh/openbsd.h +++ b/gnu/usr.bin/gcc/gcc/config/sh/openbsd.h @@ -109,7 +109,3 @@ do \ } \ } \ while (0) - -/* We do not want jump targets to be aligned on cache line boundaries at -O2 */ -#undef SH_PREFERRED_ALIGN_JUMPS -#define SH_PREFERRED_ALIGN_JUMPS 2 diff --git a/gnu/usr.bin/gcc/gcc/config/sh/sh-protos.h b/gnu/usr.bin/gcc/gcc/config/sh/sh-protos.h index 475ab9dadfc..7f9b3702867 100644 --- a/gnu/usr.bin/gcc/gcc/config/sh/sh-protos.h +++ b/gnu/usr.bin/gcc/gcc/config/sh/sh-protos.h @@ -145,4 +145,6 @@ extern void sh_pr_nosave_low_regs PARAMS ((cpp_reader *)); extern rtx sh_get_pr_initial_val PARAMS ((void)); +extern void sh_override_options PARAMS ((void)); + #endif /* ! GCC_SH_PROTOS_H */ diff --git a/gnu/usr.bin/gcc/gcc/config/sh/sh.c b/gnu/usr.bin/gcc/gcc/config/sh/sh.c index 883380d6047..af065b7ef89 100644 --- a/gnu/usr.bin/gcc/gcc/config/sh/sh.c +++ b/gnu/usr.bin/gcc/gcc/config/sh/sh.c @@ -7992,3 +7992,122 @@ check_use_sfunc_addr (rtx insn, rtx reg) } #include "gt-sh.h" + +void +sh_override_options (void) +{ + int regno; + +#if defined(OPENBSD_NATIVE) || defined(OPENBSD_CROSS) + /* disable stack protection for now */ + flag_propolice_protection = 0; + + /* -fregmove is known to produce bad code on SuperH */ + flag_regmove = 0; +#endif + + sh_cpu = CPU_SH1; + assembler_dialect = 0; + if (TARGET_SH2) + sh_cpu = CPU_SH2; + if (TARGET_SH3) + sh_cpu = CPU_SH3; + if (TARGET_SH3E) + sh_cpu = CPU_SH3E; + if (TARGET_SH4) + { + assembler_dialect = 1; + sh_cpu = CPU_SH4; + } + if (TARGET_SH5) + { + sh_cpu = CPU_SH5; + target_flags |= DALIGN_BIT; + if (TARGET_FPU_ANY + && ! (TARGET_SHCOMPACT && TARGET_LITTLE_ENDIAN)) + target_flags |= FMOVD_BIT; + if (TARGET_SHMEDIA) + { + /* There are no delay slots on SHmedia. */ + flag_delayed_branch = 0; + /* Relaxation isn't yet supported for SHmedia */ + target_flags &= ~RELAX_BIT; + } + if (profile_flag || profile_arc_flag) + { + warning ("Profiling is not supported on this target."); + profile_flag = profile_arc_flag = 0; + } + } + else + { + /* Only the sh64-elf assembler fully supports .quad properly. */ + targetm.asm_out.aligned_op.di = NULL; + targetm.asm_out.unaligned_op.di = NULL; + } + if (TARGET_FMOVD) + reg_class_from_letter['e'] = NO_REGS; + + for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) + if (! VALID_REGISTER_P (regno)) + sh_register_names[regno][0] = '0'; \ + + for (regno = 0; regno < ADDREGNAMES_SIZE; regno++) + if (! VALID_REGISTER_P (ADDREGNAMES_REGNO (regno))) + sh_additional_register_names[regno][0] = '0'; \ + + if (flag_omit_frame_pointer < 0) + { + /* The debugging information is sufficient, + but gdb doesn't implement this yet */ + if (0) + flag_omit_frame_pointer + = (PREFERRED_DEBUGGING_TYPE == DWARF_DEBUG + || PREFERRED_DEBUGGING_TYPE == DWARF2_DEBUG); + else + flag_omit_frame_pointer = 0; + } + + if (flag_pic && ! TARGET_PREFERGOT) + flag_no_function_cse = 1; + + /* Never run scheduling before reload, since that can + break global alloc, and generates slower code anyway due + to the pressure on R0. */ + flag_schedule_insns = 0; + + if (align_loops == 0) + align_loops = 1 << (TARGET_SH5 ? 3 : 2); +#if defined(OPENBSD_NATIVE) || defined(OPENBSD_CROSS) + /* Do not align jump targets to cache line boundaries at -O2 */ + if (align_jumps == 0) + align_jumps = 2; +#else + if (align_jumps == 0) + align_jumps = 1 << CACHE_LOG; +#endif + else if (align_jumps < (TARGET_SHMEDIA ? 4 : 2)) + align_jumps = TARGET_SHMEDIA ? 4 : 2; + + /* Allocation boundary (in *bytes*) for the code of a function. + SH1: 32 bit alignment is faster, because instructions are always + fetched as a pair from a longword boundary. + SH2 .. SH5 : align to cache line start. */ + if (align_functions == 0) + align_functions + = TARGET_SMALLCODE ? FUNCTION_BOUNDARY/8 : (1 << CACHE_LOG); + /* The linker relaxation code breaks when a function contains + alignments that are larger than that at the start of a + compilation unit. */ + if (TARGET_RELAX) + { + int min_align + = align_loops > align_jumps ? align_loops : align_jumps; + + /* Also take possible .long constants / mova tables int account. */ + if (min_align < 4) + min_align = 4; + if (align_functions < min_align) + align_functions = min_align; + } +} diff --git a/gnu/usr.bin/gcc/gcc/config/sh/sh.h b/gnu/usr.bin/gcc/gcc/config/sh/sh.h index d88c53505d9..32a5622fb8d 100644 --- a/gnu/usr.bin/gcc/gcc/config/sh/sh.h +++ b/gnu/usr.bin/gcc/gcc/config/sh/sh.h @@ -401,116 +401,7 @@ do { \ extern int assembler_dialect; -#ifndef SH_PREFERRED_ALIGN_JUMPS -#define SH_PREFERRED_ALIGN_JUMPS (1 << CACHE_LOG) -#endif - -#define OVERRIDE_OPTIONS \ -do { \ - int regno; \ - \ - /* disable stack protection for now */ \ - flag_propolice_protection = 0; \ - \ - sh_cpu = CPU_SH1; \ - assembler_dialect = 0; \ - if (TARGET_SH2) \ - sh_cpu = CPU_SH2; \ - if (TARGET_SH3) \ - sh_cpu = CPU_SH3; \ - if (TARGET_SH3E) \ - sh_cpu = CPU_SH3E; \ - if (TARGET_SH4) \ - { \ - assembler_dialect = 1; \ - sh_cpu = CPU_SH4; \ - } \ - if (TARGET_SH5) \ - { \ - sh_cpu = CPU_SH5; \ - target_flags |= DALIGN_BIT; \ - if (TARGET_FPU_ANY \ - && ! (TARGET_SHCOMPACT && TARGET_LITTLE_ENDIAN)) \ - target_flags |= FMOVD_BIT; \ - if (TARGET_SHMEDIA) \ - { \ - /* There are no delay slots on SHmedia. */ \ - flag_delayed_branch = 0; \ - /* Relaxation isn't yet supported for SHmedia */ \ - target_flags &= ~RELAX_BIT; \ - } \ - if (profile_flag || profile_arc_flag) \ - { \ - warning ("Profiling is not supported on this target."); \ - profile_flag = profile_arc_flag = 0; \ - } \ - } \ - else \ - { \ - /* Only the sh64-elf assembler fully supports .quad properly. */\ - targetm.asm_out.aligned_op.di = NULL; \ - targetm.asm_out.unaligned_op.di = NULL; \ - } \ - if (TARGET_FMOVD) \ - reg_class_from_letter['e'] = NO_REGS; \ - \ - for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) \ - if (! VALID_REGISTER_P (regno)) \ - sh_register_names[regno][0] = '\0'; \ - \ - for (regno = 0; regno < ADDREGNAMES_SIZE; regno++) \ - if (! VALID_REGISTER_P (ADDREGNAMES_REGNO (regno))) \ - sh_additional_register_names[regno][0] = '\0'; \ - \ - if (flag_omit_frame_pointer < 0) \ - { \ - /* The debugging information is sufficient, \ - but gdb doesn't implement this yet */ \ - if (0) \ - flag_omit_frame_pointer \ - = (PREFERRED_DEBUGGING_TYPE == DWARF_DEBUG \ - || PREFERRED_DEBUGGING_TYPE == DWARF2_DEBUG); \ - else \ - flag_omit_frame_pointer = 0; \ - } \ - \ - if (flag_pic && ! TARGET_PREFERGOT) \ - flag_no_function_cse = 1; \ - \ - /* Never run scheduling before reload, since that can \ - break global alloc, and generates slower code anyway due \ - to the pressure on R0. */ \ - flag_schedule_insns = 0; \ - \ - if (align_loops == 0) \ - align_loops = 1 << (TARGET_SH5 ? 3 : 2); \ - if (align_jumps == 0) \ - align_jumps = SH_PREFERRED_ALIGN_JUMPS; \ - else if (align_jumps < (TARGET_SHMEDIA ? 4 : 2)) \ - align_jumps = TARGET_SHMEDIA ? 4 : 2; \ - \ - /* Allocation boundary (in *bytes*) for the code of a function. \ - SH1: 32 bit alignment is faster, because instructions are always \ - fetched as a pair from a longword boundary. \ - SH2 .. SH5 : align to cache line start. */ \ - if (align_functions == 0) \ - align_functions \ - = TARGET_SMALLCODE ? FUNCTION_BOUNDARY/8 : (1 << CACHE_LOG); \ - /* The linker relaxation code breaks when a function contains \ - alignments that are larger than that at the start of a \ - compilation unit. */ \ - if (TARGET_RELAX) \ - { \ - int min_align \ - = align_loops > align_jumps ? align_loops : align_jumps; \ - \ - /* Also take possible .long constants / mova tables int account. */\ - if (min_align < 4) \ - min_align = 4; \ - if (align_functions < min_align) \ - align_functions = min_align; \ - } \ -} while (0) +#define OVERRIDE_OPTIONS sh_override_options () /* Target machine storage layout. */ |