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| author | Jan Beulich <jbeulich@suse.com> | 2024-09-06 08:35:42 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2024-09-06 08:35:42 +0200 |
| commit | 4eb59a5243cbca011c58274a20235a163243f97f (patch) | |
| tree | 3a3f44977a22caa310fb6f0ceedb3d55bc40278c /gas | |
| parent | 6b8ed67d6e53aa2c5527b73848c97a8a40c07e17 (diff) | |
| download | gdb-4eb59a5243cbca011c58274a20235a163243f97f.zip gdb-4eb59a5243cbca011c58274a20235a163243f97f.tar.gz gdb-4eb59a5243cbca011c58274a20235a163243f97f.tar.bz2 | |
x86/APX: use D for 2-operand CFCMOVcc
There's no need to have 30 redundant templates when we can easily take
care of the operand swapping like we do for various other insns.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/config/tc-i386.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 50c6f03..6cd57d9 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -8878,7 +8878,10 @@ match_template (char mnem_suffix) found_reverse_match = Opcode_D; goto check_operands_345; } - else if (t->opcode_modifier.commutative) + else if (t->opcode_modifier.commutative + /* CFCMOVcc also wants its major opcode unaltered. */ + || (t->opcode_space == SPACE_EVEXMAP4 + && (t->base_opcode | 0xf) == 0x4f)) found_reverse_match = ~0; else if (t->opcode_space != SPACE_BASE && (t->opcode_space != SPACE_EVEXMAP4 @@ -9178,6 +9181,9 @@ match_template (char mnem_suffix) /* Fall through. */ case ~0: + if (i.tm.opcode_space == SPACE_EVEXMAP4 + && !t->opcode_modifier.commutative) + i.tm.opcode_modifier.operandconstraint = EVEX_NF; i.tm.operand_types[0] = operand_types[i.operands - 1]; i.tm.operand_types[i.operands - 1] = operand_types[0]; break; |