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| author | Jan Beulich <jbeulich@suse.com> | 2023-07-04 17:05:47 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2023-07-04 17:05:47 +0200 |
| commit | b7bd93bc51c49c58d0e9cdddf6b4cc44bc4c76dd (patch) | |
| tree | 632b15140fa5c8a3af68a87cdc35368f8f8fe9b5 /opcodes | |
| parent | 151da91724c50b9c501b4b89857e675bc2dd8b52 (diff) | |
| download | gdb-b7bd93bc51c49c58d0e9cdddf6b4cc44bc4c76dd.zip gdb-b7bd93bc51c49c58d0e9cdddf6b4cc44bc4c76dd.tar.gz gdb-b7bd93bc51c49c58d0e9cdddf6b4cc44bc4c76dd.tar.bz2 | |
x86: optimize pre-AVX512 {,V}PCMPEQQ with identical sources
The {,V}PCMPEQD alternative is 1 byte shorter in many cases.
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/i386-opc.tbl | 4 | ||||
| -rw-r--r-- | opcodes/i386-tbl.h | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl index 26fee21..607a438 100644 --- a/opcodes/i386-opc.tbl +++ b/opcodes/i386-opc.tbl @@ -1363,7 +1363,7 @@ pblendvb, 0x664c, AVX, Modrm|Vex128|Space0F3A|VexVVVV|VexW0|NoSuf|Implicit1stXmm pblendvb, 0x660f3810, SSE4_1, Modrm|NoSuf, { Acc|Xmmword, RegXMM|Unspecified|BaseIndex, RegXMM } pblendvb, 0x660f3810, SSE4_1, Modrm|NoSuf, { RegXMM|Unspecified|BaseIndex, RegXMM } pblendw<sse41>, 0x660f3a0e, <sse41:cpu>, Modrm|<sse41:attr>|<sse41:vvvv>|NoSuf, { Imm8|Imm8S, RegXMM|Unspecified|BaseIndex, RegXMM } -pcmpeqq<sse41>, 0x660f3829, <sse41:cpu>, Modrm|<sse41:attr>|<sse41:vvvv>|NoSuf, { RegXMM|Unspecified|BaseIndex, RegXMM } +pcmpeqq<sse41>, 0x660f3829, <sse41:cpu>, Modrm|<sse41:attr>|<sse41:vvvv>|NoSuf|Optimize, { RegXMM|Unspecified|BaseIndex, RegXMM } pextr<bw><sse41>, 0x660f3a14 | <bw:opc>, <sse41:cpu>, RegMem|<sse41:attr>|NoSuf|IgnoreSize|NoRex64, { Imm8, RegXMM, Reg32|Reg64 } pextr<bw><sse41>, 0x660f3a14 | <bw:opc>, <sse41:cpu>, Modrm|<sse41:attr>|NoSuf, { Imm8, RegXMM, <bw:elem>|Unspecified|BaseIndex } pextrd<sse41>, 0x660f3a16, <sse41:cpu>, Modrm|<sse41:attr>|NoSuf|IgnoreSize, { Imm8, RegXMM, Reg32|Unspecified|BaseIndex } @@ -1592,7 +1592,7 @@ vpblendvb, 0x664c, AVX|AVX2, Modrm|Vex|Space0F3A|VexVVVV|VexWIG|CheckOperandSize vpblendw, 0x660e, AVX|AVX2, Modrm|Vex|Space0F3A|VexVVVV|VexWIG|CheckOperandSize|NoSuf, { Imm8|Imm8S, Unspecified|BaseIndex|RegXMM|RegYMM, RegXMM|RegYMM, RegXMM|RegYMM } vpcmpeq<bw>, 0x6674 | <bw:opc>, AVX|AVX2, Modrm|C|Vex|Space0F|VexVVVV|VexWIG|CheckOperandSize|NoSuf, { Unspecified|BaseIndex|RegXMM|RegYMM, RegXMM|RegYMM, RegXMM|RegYMM } vpcmpeqd, 0x6676, AVX|AVX2, Modrm|C|Vex|Space0F|VexVVVV|VexWIG|CheckOperandSize|NoSuf, { Unspecified|BaseIndex|RegXMM|RegYMM, RegXMM|RegYMM, RegXMM|RegYMM } -vpcmpeqq, 0x6629, AVX|AVX2, Modrm|Vex|Space0F38|VexVVVV|VexWIG|CheckOperandSize|NoSuf, { Unspecified|BaseIndex|RegXMM|RegYMM, RegXMM|RegYMM, RegXMM|RegYMM } +vpcmpeqq, 0x6629, AVX|AVX2, Modrm|Vex|Space0F38|VexVVVV|VexWIG|CheckOperandSize|NoSuf|Optimize, { Unspecified|BaseIndex|RegXMM|RegYMM, RegXMM|RegYMM, RegXMM|RegYMM } vpcmpestri, 0x6661, AVX|No64, Modrm|Vex|Space0F3A|NoSuf, { Imm8, Unspecified|BaseIndex|RegXMM, RegXMM } vpcmpestri, 0x6661, AVX|x64, Modrm|Vex|Space0F3A|IgnoreSize|No_bSuf|No_wSuf|No_sSuf, { Imm8, Xmmword|Unspecified|BaseIndex|RegXMM, RegXMM } vpcmpestrm, 0x6660, AVX|No64, Modrm|Vex|Space0F3A|NoSuf, { Imm8, Unspecified|BaseIndex|RegXMM, RegXMM } diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h index cecb084..4a6c92a 100644 --- a/opcodes/i386-tbl.h +++ b/opcodes/i386-tbl.h @@ -17966,7 +17966,7 @@ static const insn_template i386_optab[] = 1, 0, 0, 0, 0, 0 } } } }, { MN_pcmpeqq, 0x29, 2, SPACE_0F38, None, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -17980,7 +17980,7 @@ static const insn_template i386_optab[] = 1, 0, 0, 0, 0, 0 } } } }, { MN_pcmpeqq, 0x29, 2, SPACE_0F38, None, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -30132,7 +30132,7 @@ static const insn_template i386_optab[] = 0, 0, 0, 0, 0, 0 } } } }, { MN_vpcmpeqq, 0x29, 3, SPACE_0F38, None, { 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 1, 1, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + 0, 0, 0, 1, 1, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |