diff options
Diffstat (limited to 'gas/config/tc-i386.c')
| -rw-r--r-- | gas/config/tc-i386.c | 40 |
1 files changed, 7 insertions, 33 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 01b10c1..c1338d2 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -2142,9 +2142,9 @@ operand_size_match (const insn_template *t) { unsigned int given = i.operands - j - 1; - /* For 4- and 5-operand insns VEX.W controls just the first two + /* For 4-operand and XOP insns VEX.W controls just the first two register operands. */ - if (t->opcode_modifier.vexsources) + if (t->opcode_modifier.vexsources || t->cpu_flags.bitfield.cpuxop) given = j < 2 ? 1 - j : j; if (t->operand_types[j].bitfield.class == Reg @@ -6933,7 +6933,8 @@ match_template (char mnem_suffix) if (!(size_match & MATCH_REVERSE)) continue; /* Try reversing direction of operands. */ - j = t->opcode_modifier.vexsources ? 1 : i.operands - 1; + j = t->opcode_modifier.vexsources + || t->cpu_flags.bitfield.cpuxop ? 1 : i.operands - 1; overlap0 = operand_type_and (i.types[0], operand_types[j]); overlap1 = operand_type_and (i.types[j], operand_types[0]); overlap2 = operand_type_and (i.types[1], operand_types[1]); @@ -6967,7 +6968,8 @@ match_template (char mnem_suffix) && (intel_syntax || intel_mnemonic)) found_reverse_match |= Opcode_FloatR; } - else if (t->opcode_modifier.vexsources) + else if (t->opcode_modifier.vexsources + || t->cpu_flags.bitfield.cpuxop) { found_reverse_match = Opcode_VexW; goto check_operands_345; @@ -8618,35 +8620,7 @@ build_modrm_byte (void) else mem = ~0; - if (i.tm.opcode_modifier.vexsources == XOP2SOURCES) - { - /* VEX.vvvv encodes one of the sources. */ - if (i.tm.opcode_modifier.vexw == VEXW0) - i.vex.register_specifier = i.op[0].regs; - else - i.vex.register_specifier = i.op[1].regs; - - /* Destination is a XMM register encoded in the ModRM.reg - and VEX.R bit. */ - i.rm.reg = i.op[2].regs->reg_num; - if ((i.op[2].regs->reg_flags & RegRex) != 0) - i.rex |= REX_R; - - /* ModRM.rm and VEX.B encodes the other source. */ - if (!i.mem_operands) - { - i.rm.mode = 3; - - if (i.tm.opcode_modifier.vexw == VEXW0) - i.rm.regmem = i.op[1].regs->reg_num; - else - i.rm.regmem = i.op[0].regs->reg_num; - - if ((i.op[1].regs->reg_flags & RegRex) != 0) - i.rex |= REX_B; - } - } - else if (i.tm.opcode_modifier.vexvvvv == VEXLWP) + if (i.tm.opcode_modifier.vexvvvv == VEXLWP) { i.vex.register_specifier = i.op[2].regs; if (!i.mem_operands) |