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| author | Jan Beulich <jbeulich@novell.com> | 2018-07-31 10:58:05 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2018-07-31 10:58:05 +0200 |
| commit | 1424ad867742286be44932bf29720539add19ae0 (patch) | |
| tree | 5461a39c1b53637faccaf9b1abab4cbf85fa8bf1 /opcodes/i386-opc.tbl | |
| parent | ae2387feae3f0798dd77c98a7107fdec38a99fe3 (diff) | |
| download | gdb-1424ad867742286be44932bf29720539add19ae0.zip gdb-1424ad867742286be44932bf29720539add19ae0.tar.gz gdb-1424ad867742286be44932bf29720539add19ae0.tar.bz2 | |
x86: also optimize KXOR{D,Q} and KANDN{D,Q}
These can be converted to 2-byte VEX encoding when both source registers
are the same, by using KXORW / KANDNW as replacement.
Diffstat (limited to 'opcodes/i386-opc.tbl')
| -rw-r--r-- | opcodes/i386-opc.tbl | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl index ed9513f..e65a9ac 100644 --- a/opcodes/i386-opc.tbl +++ b/opcodes/i386-opc.tbl @@ -4211,7 +4211,7 @@ vpmovzxwq, 2, 0x6634, None, 1, CpuAVX512F|CpuAVX512VL, Modrm|EVex=3|Masking=3|Ve kaddd, 3, 0x664A, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } kandd, 3, 0x6641, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } -kandnd, 3, 0x6642, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } +kandnd, 3, 0x6642, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Optimize, { RegMask, RegMask, RegMask } kmovd, 2, 0x6690, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask|Dword|Unspecified|BaseIndex, RegMask } kmovd, 2, 0x6691, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, Dword|Unspecified|BaseIndex } knotd, 2, 0x6644, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask } @@ -4219,10 +4219,10 @@ kord, 3, 0x6645, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2| kortestd, 2, 0x6698, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask } ktestd, 2, 0x6699, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask } kxnord, 3, 0x6646, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } -kxord, 3, 0x6647, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } +kxord, 3, 0x6647, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Optimize, { RegMask, RegMask, RegMask } kaddq, 3, 0x4A, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } -kandnq, 3, 0x42, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } +kandnq, 3, 0x42, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Optimize, { RegMask, RegMask, RegMask } kandq, 3, 0x41, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } kmovq, 2, 0x90, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask|Qword|Unspecified|BaseIndex, RegMask } kmovq, 2, 0x91, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, Qword|Unspecified|BaseIndex } @@ -4233,7 +4233,7 @@ ktestq, 2, 0x99, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=2|IgnoreSize kunpckdq, 3, 0x4B, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } kunpckwd, 3, 0x4B, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=1|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } kxnorq, 3, 0x46, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } -kxorq, 3, 0x47, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, RegMask, RegMask } +kxorq, 3, 0x47, None, 1, CpuAVX512BW, Modrm|Vex=2|VexOpcode=0|VexVVVV=1|VexW=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Optimize, { RegMask, RegMask, RegMask } kmovd, 2, 0xF292, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=1|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg32, RegMask } kmovd, 2, 0xF293, None, 1, CpuAVX512BW, Modrm|Vex=1|VexOpcode=0|VexW=1|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegMask, Reg32 } |