diff options
Diffstat (limited to 'gnu/usr.bin/binutils/opcodes/openrisc-asm.c')
-rw-r--r-- | gnu/usr.bin/binutils/opcodes/openrisc-asm.c | 98 |
1 files changed, 55 insertions, 43 deletions
diff --git a/gnu/usr.bin/binutils/opcodes/openrisc-asm.c b/gnu/usr.bin/binutils/opcodes/openrisc-asm.c index d47659b8c8f..ad977907d9a 100644 --- a/gnu/usr.bin/binutils/opcodes/openrisc-asm.c +++ b/gnu/usr.bin/binutils/opcodes/openrisc-asm.c @@ -43,7 +43,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., #define max(a,b) ((a) > (b) ? (a) : (b)) static const char * parse_insn_normal - PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *)); + (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *); /* -- assembler routines inserted here. */ @@ -60,7 +60,7 @@ long openrisc_sign_extend_16bit (value) long value; { - return (long) (short) value; + return ((value & 0xffff) ^ 0x8000) - 0x8000; } /* Handle hi(). */ @@ -74,15 +74,16 @@ parse_hi16 (cd, strp, opindex, valuep) { const char *errmsg; enum cgen_parse_operand_result result_type; - bfd_vma value; + unsigned long ret; if (**strp == '#') ++*strp; if (strncasecmp (*strp, "hi(", 3) == 0) { - *strp += 3; + bfd_vma value; + *strp += 3; #if 0 errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep); if (errmsg != NULL) @@ -92,23 +93,31 @@ parse_hi16 (cd, strp, opindex, valuep) errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16, &result_type, &value); if (**strp != ')') - return "missing `)'"; + return _("missing `)'"); + ++*strp; if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) value >>= 16; - *valuep = (long) (short) value; - - return errmsg; + ret = value; } else { if (**strp == '-') - errmsg = cgen_parse_signed_integer (cd, strp, opindex, (long *) &value); + { + long value; + errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value); + ret = value; + } else - errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, (unsigned long *) &value); + { + unsigned long value; + errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, &value); + ret = value; + } } - *valuep = (long) (short) (value & 0xffff); + + *valuep = ((ret & 0xffff) ^ 0x8000) - 0x8000; return errmsg; } @@ -123,15 +132,16 @@ parse_lo16 (cd, strp, opindex, valuep) { const char *errmsg; enum cgen_parse_operand_result result_type; - bfd_vma value; + unsigned long ret; if (**strp == '#') ++*strp; if (strncasecmp (*strp, "lo(", 3) == 0) { - *strp += 3; + bfd_vma value; + *strp += 3; #if 0 errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep); if (errmsg != NULL) @@ -142,21 +152,28 @@ parse_lo16 (cd, strp, opindex, valuep) errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16, &result_type, &value); if (**strp != ')') - return "missing `)'"; - ++*strp; - if (errmsg == NULL - && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) - value &= 0xffff; - *valuep = (long) (short) value; + return _("missing `)'"); - return errmsg; + ++*strp; + ret = value; } - - if (**strp == '-') - errmsg = cgen_parse_signed_integer (cd, strp, opindex, (long *) &value); else - errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, (unsigned long *) &value); - *valuep = (long) (short) (value & 0xffff); + { + if (**strp == '-') + { + long value; + errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value); + ret = value; + } + else + { + unsigned long value; + errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, &value); + ret = value; + } + } + + *valuep = ((ret & 0xffff) ^ 0x8000) - 0x8000; return errmsg; } @@ -277,8 +294,7 @@ openrisc_cgen_init_asm (cd) Returns NULL for success, an error message for failure. */ char * -openrisc_cgen_build_insn_regex (insn) - CGEN_INSN *insn; +openrisc_cgen_build_insn_regex (CGEN_INSN *insn) { CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn); const char *mnem = CGEN_INSN_MNEMONIC (insn); @@ -401,11 +417,10 @@ openrisc_cgen_build_insn_regex (insn) Returns NULL for success, an error message for failure. */ static const char * -parse_insn_normal (cd, insn, strp, fields) - CGEN_CPU_DESC cd; - const CGEN_INSN *insn; - const char **strp; - CGEN_FIELDS *fields; +parse_insn_normal (CGEN_CPU_DESC cd, + const CGEN_INSN *insn, + const char **strp, + CGEN_FIELDS *fields) { /* ??? Runtime added insns not handled yet. */ const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); @@ -543,12 +558,11 @@ parse_insn_normal (cd, insn, strp, fields) mind helps keep the design clean. */ const CGEN_INSN * -openrisc_cgen_assemble_insn (cd, str, fields, buf, errmsg) - CGEN_CPU_DESC cd; - const char *str; - CGEN_FIELDS *fields; - CGEN_INSN_BYTES_PTR buf; - char **errmsg; +openrisc_cgen_assemble_insn (CGEN_CPU_DESC cd, + const char *str, + CGEN_FIELDS *fields, + CGEN_INSN_BYTES_PTR buf, + char **errmsg) { const char *start; CGEN_INSN_LIST *ilist; @@ -578,10 +592,10 @@ openrisc_cgen_assemble_insn (cd, str, fields, buf, errmsg) if (! openrisc_cgen_insn_supported (cd, insn)) continue; #endif - /* If the RELAX attribute is set, this is an insn that shouldn't be + /* If the RELAXED attribute is set, this is an insn that shouldn't be chosen immediately. Instead, it is used during assembler/linker relaxation if possible. */ - if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAX) != 0) + if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0) continue; str = start; @@ -652,9 +666,7 @@ openrisc_cgen_assemble_insn (cd, str, fields, buf, errmsg) FIXME: Not currently used. */ void -openrisc_cgen_asm_hash_keywords (cd, opvals) - CGEN_CPU_DESC cd; - CGEN_KEYWORD *opvals; +openrisc_cgen_asm_hash_keywords (CGEN_CPU_DESC cd, CGEN_KEYWORD *opvals) { CGEN_KEYWORD_SEARCH search = cgen_keyword_search_init (opvals, NULL); const CGEN_KEYWORD_ENTRY * ke; |