diff options
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-i386.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 9bfec10a534..014720ea3c2 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -6567,22 +6567,16 @@ build_modrm_byte (void) unsigned int source, dest; int vex_3_sources; - /* The first operand of instructions with VEX prefix and 3 sources - must be VEX_Imm4. */ vex_3_sources = i.tm.opcode_modifier.vexsources == VEX3SOURCES; if (vex_3_sources) { unsigned int nds, reg_slot; expressionS *exp; - if (i.tm.opcode_modifier.veximmext - && i.tm.opcode_modifier.immext) - { - dest = i.operands - 2; - gas_assert (dest == 3); - } - else - dest = i.operands - 1; + gas_assert (!i.tm.opcode_modifier.veximmext + || !i.tm.opcode_modifier.immext); + + dest = i.operands - 1; nds = dest - 1; /* There are 2 kinds of instructions: @@ -6623,15 +6617,6 @@ build_modrm_byte (void) reg_slot = 0; } - /* FMA swaps REG and NDS. */ - if (i.tm.cpu_flags.bitfield.cpufma) - { - unsigned int tmp; - tmp = reg_slot; - reg_slot = nds; - nds = tmp; - } - gas_assert (i.tm.operand_types[reg_slot].bitfield.regsimd); exp->X_op = O_constant; exp->X_add_number = register_number (i.op[reg_slot].regs) << 4; |