diff options
| author | Jan Beulich <jbeulich@novell.com> | 2018-04-26 08:30:06 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2018-04-26 08:30:06 +0200 |
| commit | 2f1bada2dc2e7215cd633b6c39a6c31dbd875bc0 (patch) | |
| tree | 9cdf4c97da8b6e792181ea59c0ceb4376f3f53c4 /gas | |
| parent | dcd7e323760ab296262a2e18e9869d37ff59f340 (diff) | |
| download | gdb-2f1bada2dc2e7215cd633b6c39a6c31dbd875bc0.zip gdb-2f1bada2dc2e7215cd633b6c39a6c31dbd875bc0.tar.gz gdb-2f1bada2dc2e7215cd633b6c39a6c31dbd875bc0.tar.bz2 | |
x86: drop VexImmExt
It's only used in assertions, and hence not really needed for correct
code generation.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 10 |
2 files changed, 8 insertions, 7 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 7cd0a10..2691eb8 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,10 @@ 2018-04-26 Jan Beulich <jbeulich@suse.com> + * config/tc-i386.c (build_modrm_byte): Drop .veximmext uses. + Move part of the remaining assertion. + +2018-04-26 Jan Beulich <jbeulich@suse.com> + * config/tc-i386.c (build_modrm_byte): Extend assertion in vex_3_sources handling to cover more cases. diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 7126ca4..2ddbe19 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -6573,9 +6573,6 @@ build_modrm_byte (void) unsigned int nds, reg_slot; expressionS *exp; - gas_assert (!i.tm.opcode_modifier.veximmext - || !i.tm.opcode_modifier.immext); - dest = i.operands - 1; nds = dest - 1; @@ -6585,13 +6582,10 @@ build_modrm_byte (void) VexW0 or VexW1. The destination must be either XMM, YMM or ZMM register. 2. 4 operands: 4 register operands or 3 register operands - plus 1 memory operand, VexXDS, and VexImmExt */ + plus 1 memory operand, with VexXDS. */ gas_assert ((i.reg_operands == 4 || (i.reg_operands == 3 && i.mem_operands == 1)) && i.tm.opcode_modifier.vexvvvv == VEXXDS - && (i.tm.opcode_modifier.veximmext - || (i.imm_operands == 1 - && i.types[0].bitfield.vec_imm4)) && i.tm.opcode_modifier.vexw && i.tm.operand_types[dest].bitfield.regsimd); @@ -6625,6 +6619,8 @@ build_modrm_byte (void) { unsigned int imm_slot; + gas_assert (i.imm_operands == 1 && i.types[0].bitfield.vec_imm4); + if (i.tm.opcode_modifier.vexw == VEXW0) { /* If VexW0 is set, the third operand is the source and |