3 byte opcodes
note: A leading bold V indicates that the instruction can be VEX-encoded, in which case it may have additional operands.
note: A leading bold ! indicates that the 256-bit version was only introduced with AVX2 and that it can only be VEX-encoded.
| pre- fix |
0Fh 38h xxh |
x0h |
x1h | x2h | x3h | x4h | x5h | x6h | x7h |
| n/a |
0xh | PSHUFB Pq,Qq (MMX-SSSE3) |
PHADDW Pq,Qq (MMX-SSSE3) |
PHADDD Pq,Qq (MMX-SSSE3) |
PHADDSW Pq,Qq (MMX-SSSE3) |
PMADDUBSW Pq,Qq (MMX-SSSE3) |
PHSUBW Pq,Qq (MMX-SSSE3) |
PHSUBD Pq,Qq (MMX-SSSE3) |
PHSUBSW Pq,Qq (MMX-SSSE3) |
| 66h |
!VPSHUFB Vx,Hx,Wx (SSSE3) |
!VPHADDW Vx,Hx,Wx (SSSE3) |
!VPHADDD Vx,Hx,Wx (SSSE3) |
!VPHADDSW Vx,Hx,Wx (SSSE3) |
!VPMADDUBSW Vx,Hx,Wx (SSSE3) |
!VPHSUBW Vx,Hx,Wx (SSSE3) |
!VPHSUBD Vx,Hx,Wx (SSSE3) |
!VPHSUBSW Vx,Hx,Wx (SSSE3) |
|
| n/a |
1xh | ||||||||
| 66h |
PBLENDVB Vo,Wo(,XMM0) (SSE4.1) |
VCVTPH2PS Vo,Wo.q Vy,Wo.o (F16C) |
BLENDVPS Vo,Wo(,XMM0) (SSE4.1) |
BLENDVPD Vo,Wo(,XMM0) (SSE4.1) |
VPERMPS Vy,Hy,Wy (AVX2) |
VPTEST Vx,Wx (SSE4.1 / SSE5A) |
|||
| n/a |
2xh | ||||||||
| 66h |
!VPMOVSXBW Vo,Wo.q Vy,Wo.o (SSE4.1) |
!VPMOVSXBD Vo,Wo.d Vy,Wo.q (SSE4.1) |
!VPMOVSXBQ Vo,Wo.w Vy,Wo.d (SSE4.1) |
!VPMOVSXWD Vo,Wo.q Vy,Wo.o (SSE4.1) |
!VPMOVSXWQ Vo,Wo.d Vy,Wo.q (SSE4.1) |
!VPMOVSXDQ Vo,Wo.q Vy,Wo.o (SSE4.1) |
|||
| n/a |
3xh | ||||||||
| 66h |
!VPMOVZXBW Vo,Wo.q Vy,Wo.o (SSE4.1) |
!VPMOVZXBD Vo,Wo.d Vy,Wo.q (SSE4.1) |
!VPMOVZXBQ Vo,Wo.w Vy,Wo.d (SSE4.1) |
!VPMOVZXWD Vo,Wo.q Vy,Wo.o (SSE4.1) |
!VPMOVZXWQ Vo,Wo.d Vy,Wo.q (SSE4.1) |
!VPMOVZXDQ Vo,Wo.q Vy,Wo.o (SSE4.1) |
VPERMD Vy,Hy,Wy (AVX2) |
VPCMPGTQ Vx,Hx,Wx (SSE4.2) |
|
| n/a |
4xh | ||||||||
| 66h |
!VPMULLD Vx,Hx,Wx (SSE4.1) |
VPHMINPOSUW Vo,Wo (SSE4.1) |
VPSRLVD (W=0) VPSRLVQ (W=1) Vx,Hx,Wx (AVX2) |
VPSRAVD (W=0) Vx,Hx,Wx (AVX2) |
VPSLLVD (W=0) VPSLLVQ (W=1) Vx,Hx,Wx (AVX2) |
||||
| ... | ... | ||||||||
| 66h |
8xh | INVEPT G[wy],Mo (VMX+) |
INVVPID G[wy],Mo (VMX+) |
INVPCID G[wy],Mo (INVPCID) |
|||||
| 66h |
9xh | VPGATHERDD Vx,Md.x,Hx (W=0) VPGATHERDQ Vx,Mq.o,Hx (W=1) (AVX2,VSIB) |
VPGATHERQD Vo,Md.x,Ho (W=0) VPGATHERQQ Vx,Mq.x,Hx (W=1) (AVX2,VSIB) |
VGATHERDPS Vx,Md.x,Hx (W=0) VGATHERDPD Vx,Mq.o,Hx (W=1) (AVX2,VSIB) |
VGATHERQPS Vo,Md.x,Ho (W=0) VGATHERQPD Vx,Mq.x,Hx (W=1) (AVX2,VSIB) |
VFMADDSUB132- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMSUBADD132- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
||
| 66h |
Axh | VFMADDSUB213- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMSUBADD213- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
||||||
| 66h |
Bxh | VFMADDSUB231- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMSUBADD231- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
||||||
| ... | ... | ||||||||
| n/a |
Fxh | MOVBE Gv,Mv (MOVBE) |
MOVBE Mv,Gv (MOVBE) |
ANDNv Gy,By,Ey (BMI) |
group #17 | BZHIv Gy,Ey,By (BMI2) |
BEXTRv Gy,Ey,By (BMI) |
||
| 66h |
MOVBE Gv,Mv (MOVBE) |
MOVBE Mv,Gv (MOVBE) |
SHLXv Gy,Ey,By (BMI2) |
||||||
| F3h |
PEXTv Gy,By,Ey (BMI2) |
SARXv Gy,Ey,By (BMI2) |
|||||||
| F2h |
CRC32 Gy,Eb (SSE4.2*) |
CRC32 Gy,Ev (SSE4.2*) |
PDEPv Gy,By,Ey (BMI2) |
MULXv Gy,By,Ey(,yDX) (BMI2) |
SHRXv Gy,Ey,By (BMI2) |
||||
| 66h and F2h |
CRC32 Gy,Eb (SSE4.2*) |
CRC32 Gy,Ev (SSE4.2*) |
|||||||
| pre- fix |
0Fh 38h xxh |
x8h |
x9h | xAh | xBh | xCh | xDh | xEh | xFh |
| n/a |
0xh | PSIGNB Pq,Qq (MMX-SSSE3) |
PSIGNW Pq,Qq (MMX-SSSE3) |
PSIGND Pq,Qq (MMX-SSSE3) |
PMULHRSW Pq,Qq (MMX-SSSE3) |
||||
| 66h |
!VPSIGNB Vx,Hx,Wx (SSSE3) |
!VPSIGNW Vx,Hx,Wx (SSSE3) |
!VPSIGND Vx,Hx,Wx (SSSE3) |
!VPMULHRSW Vx,Hx,Wx (SSSE3) |
VPERMILPS Vx,Hx,Wx (AVX) |
VPERMILPD Vx,Hx,Wx (AVX) |
VTESTPS Vx,Wx (AVX) |
VTESTPD Vx,Wx (AVX) |
|
| n/a |
1xh | PABSB Pq,Qq (MMX-SSSE3) |
PABSW Pq,Qq (MMX-SSSE3) |
PABSD Pq,Qq (MMX-SSSE3) |
|||||
| 66h |
VBROADCASTSS Vx,Mo.d (AVX) VBROADCASTSS Vx,Uo (AVX2) |
VBROADCASTSD Vy,Mo.q (AVX) VBROADCASTSD Vy,Uo (AVX2) |
VBROADCASTF128 Vy,Mo (AVX) |
!VPABSB Vx,Wx (SSSE3) |
!VPABSW Vx,Wx (SSSE3) |
!VPABSD Vx,Wx (SSSE3) |
|||
| n/a |
2xh | ||||||||
| 66h |
!VPMULDQ Vx,Hx,Wx (SSE4.1) |
!VPCMPEQQ Vx,Hx,Wx (SSE4.1) |
!VMOVNTDQA Vx,Mx (SSE4.1) |
!VPACKUSDW Vx,Hx,Wx (SSE4.1) |
VMASKMOVPS Vx,Hx,Mx (AVX) |
VMASKMOVPD Vx,Hx,Mx (AVX) |
VMASKMOVPS Mx,Hx,Vx (AVX) |
VMASKMOVPD Mx,Hx,Vx (AVX) |
|
| n/a |
3xh | ||||||||
| 66h |
!VPMINSB Vx,Hx,Wx (SSE4.1) |
!VPMINSD Vx,Hx,Wx (SSE4.1) |
!VPMINUW Vx,Hx,Wx (SSE4.1) |
!VPMINUD Vx,Hx,Wx (SSE4.1) |
!VPMAXSB Vx,Hx,Wx (SSE4.1) |
!VPMAXSD Vx,Hx,Wx (SSE4.1) |
!VPMAXUW Vx,Hx,Wx (SSE4.1) |
!VPMAXUD Vx,Hx,Wx (SSE4.1) |
|
| n/a |
4xh | ||||||||
| 66h |
|||||||||
| n/a |
5xh | ||||||||
| 66h |
VPBROADCASTD Vx,Mo.d Vx,Uo (AVX2) |
VPBROADCASTQ Vx,Mo.q Vx,Uo (AVX2) |
VBROADCASTI128 Vy,Mo (AVX2) |
||||||
| n/a |
6xh | ||||||||
| 66h |
|||||||||
| n/a |
7xh | ||||||||
| 66h |
VPBROADCASTB Vx,Mo.b Vx,Uo (AVX2) |
VPBROADCASTW Vx,Mo.w Vx,Uo (AVX2) |
|||||||
| n/a |
8xh | ||||||||
| 66h |
VPMASKMOVD (W0) Vx,Hx,Mx (AVX2) VPMASKMOVQ (W1) Vx,Hx,Mx (AVX2) |
VPMASKMOVD (W0) Mx,Hx,Vx (AVX2) VPMASKMOVQ (W1) Mx,Hx,Vx (AVX2) |
|||||||
| 66h |
9xh | VFMADD132- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMADD132- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFMSUB132- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMSUB132- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFNMADD132- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFNMADD132- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFNMSUB132- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFNMSUB132- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
| 66h |
Axh | VFMADD213- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMADD213- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFMSUB213- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMSUB213- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFNMADD213- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFNMADD213- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFNMSUB213- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFNMSUB213- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
| 66h |
Bxh | VFMADD231- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMADD231- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFMSUB231- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFMSUB231- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFNMADD231- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFNMADD231- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
VFNMSUB231- PS Vx,Hx,Wx (W=0) PD Vx,Hx,Wx (W=1) (FMA) |
VFNMSUB231- SS Vo,Ho,Wd (W=0) SD Vo,Ho,Wq (W=1) (FMA) |
| ... | ... | ||||||||
| 66h |
Dxh | VAESIMC Vo,Wo (see CPUID) |
VAESENC Vo,Ho,Wo (see CPUID) |
VAESENCLAST Vo,Ho,Wo (see CPUID) |
VAESDEC Vo,Ho,Wo (see CPUID) |
VAESDECLAST Vo,Ho,Wo (see CPUID) |
|||
| pre- fix |
0Fh 3Ah xxh |
x0h |
x1h | x2h | x3h | x4h | x5h | x6h | x7h |
| n/a |
0xh | ||||||||
| 66h |
VPERMQ Vy,Wy,Ib (AVX2) |
VPERMPD Vy,Wy,Ib (AVX2) |
VPBLENDD Vx,Hx,Wx,Ib (AVX2) |
VPERMILPS Vx,Wx,Ib (AVX) |
VPERMILPD Vx,Wx,Ib (AVX) |
VPERM2F128 Vy,Hy,Wy,Ib (AVX) |
|||
| n/a |
1xh | ||||||||
| 66h |
VPEXTRB Mb,Vo,Ib (SSE4.1) VPEXTRB Ry,Vo,Ib (SSE4.1) |
VPEXTRW Mw,Vo,Ib (SSE4.1) VPEXTRW Ry,Vo,Ib (SSE4.1) |
VPEXTRD Ed,Vo,Ib (SSE4.1) VPEXTRQ Eq,Vo,Ib (SSE4.1) |
VEXTRACTPS Md,Vo,Ib (SSE4.1) VEXTRACTPS Ry,Vo,Ib (SSE4.1) |
|||||
| n/a |
2xh | ||||||||
| 66h |
VPINSRB Vo,Ho,Mb,Ib (4.1) VPINSRB #1 Vo,Ho,R[bv],Ib (4.1) |
VINSERTPS Vo,Ho,Md,Ib (4.1) VINSERTPS Vo,Ho,Uo,Ib (4.1) |
VPINSRD Vo,Ho,Ed,Ib (4.1) VPINSRQ Vo,Ho,Eq,Ib (4.1) |
||||||
| n/a |
3xh | ||||||||
| 66h |
|||||||||
| n/a |
4xh | ||||||||
| 66h |
VDPPS Vx,Hx,Wx,Ib (SSE4.1) |
VDPPD Vo,Ho,Wo,Ib (SSE4.1) |
!VMPSADBW Vx,Hx,Wx,Ib (SSE4.1) |
VPCLMULQDQ Vo,Ho,Wo,Ib (see CPUID) |
VPERM2I128 Vy,Hy,Wy,Ib (AVX2) |
||||
| n/a |
5xh | ||||||||
| 66h |
|||||||||
| n/a |
6xh | ||||||||
| 66h |
VPCMPESTRM Vo,Wo,Ib (SSE4.2) |
VPCMPESTRI Vo,Wo,Ib (SSE4.2) |
VPCMPISTRM Vo,Wo,Ib (SSE4.2) |
VPCMPISTRI Vo,Wo,Ib (SSE4.2) |
|||||
| n/a |
7xh | ||||||||
| 66h |
|||||||||
| ... | ... | ||||||||
| F2h |
Fxh | RORXv By,Ey,Ib (BMI2) |
|||||||
| pre- fix |
0Fh 3Ah xxh |
x8h |
x9h | xAh | xBh | xCh | xDh | xEh | xFh |
| n/a |
0xh | PALIGNR Pq,Qq,Ib (MMX-SSSE3) |
|||||||
| 66h |
VROUNDPS Vx,Wx,Ib (SSE4.1 / SSE5A) |
VROUNDPD Vx,Wx,Ib (SSE4.1 / SSE5A) |
VROUNDSS Vo,Ho,Wo.d,Ib (SSE4.1 / SSE5A) |
VROUNDSD Vo,Ho,Wo.q,Ib (SSE4.1 / SSE5A) |
VBLENDPS Vx,Hx,Wx,Ib (SSE4.1) |
VBLENDPD Vx,Hx,Wx,Ib (SSE4.1) |
!VPBLENDW Vx,Hx,Wx,Ib (SSE4.1) |
!VPALIGNR Vx,Hx,Wx,Ib (SSSE3) |
|
| n/a |
1xh | ||||||||
| 66h |
VINSERTF128 Vy,Hy,Wo,Ib (AVX) |
VEXTRACTF128 Wo,Vy,Ib (AVX) |
VCVTPS2PH Wo.q,Vo,Ib Wo.o,Vy,Ib (F16C) |
||||||
| n/a |
2xh | ||||||||
| 66h |
|||||||||
| n/a |
3xh | ||||||||
| 66h |
VINSERTI128 Vy,Hy,Wo,Ib (AVX2) |
VEXTRACTI128 Wo,Vy,Ib (AVX2) |
|||||||
| n/a |
4xh | ||||||||
| 66h |
VPERMILzz2PS Vx,Hx,Wx,Lx,Ib (0) Vx,Hx,Lx,Wx,Ib (1) (FMA4) #2 |
VPERMILzz2PD Vx,Hx,Wx,Lx,Ib (0) Vx,Hx,Lx,Wx,Ib (1) (FMA4) #2 |
VBLENDVPS Vx,Hx,Wx,Lx (AVX) |
VBLENDVPD Vx,Hx,Wx,Lx (AVX) |
VPBLENDVB Vo,Ho,Wo,Lo (AVX) Vy,Hy,Wy,Ly (AVX2) |
||||
| 66h |
VPERMILzz2PS Vx,Hx,Wx,Lx,Ib (0) Vx,Hx,Lx,Wx,Ib (1) (AVX) #2 |
VPERMILzz2PD Vx,Hx,Wx,Lx,Ib (0) Vx,Hx,Lx,Wx,Ib (1) (AVX) #2 |
|||||||
| n/a |
5xh | ||||||||
| 66h |
VFMADDSUBPS Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFMADDSUBPD Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFMSUBADDPS Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFMSUBADDPD Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
|||||
| 66h |
VFMADDSUBPS Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFMADDSUBPD Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFMSUBADDPS Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFMSUBADDPD Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
|||||
| n/a |
6xh | ||||||||
| 66h |
VFMADDPS Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFMADDPD Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFMADDSS Vo,Ho,Wd,Lo (W=0) Vo,Ho,Lo,Wd (W=1) (FMA4) |
VFMADDSD Vo,Ho,Wq,Lo (W=0) Vo,Ho,Lo,Wq (W=1) (FMA4) |
VFMSUBPS Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFMSUBPD Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFMSUBSS Vo,Ho,Wd,Lo (W=0) Vo,Ho,Lo,Wd (W=1) (FMA4) |
VFMSUBSD Vo,Ho,Wq,Lo (W=0) Vo,Ho,Lo,Wq (W=1) (FMA4) |
|
| 66h |
VFMADDPS Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFMADDPD Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFMADDSS Vo,Lo,Wd,Ho (W=0) Vo,Lo,Ho,Wd (W=1) (FMA) |
VFMADDSD Vo,Lo,Wq,Ho (W=0) Vo,Lo,Ho,Wq (W=1) (FMA) |
VFMSUBPS Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFMSUBPD Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFMSUBSS Vo,Lo,Wd,Ho (W=0) Vo,Lo,Ho,Wd (W=1) (FMA) |
VFMSUBSD Vo,Lo,Wq,Ho (W=0) Vo,Lo,Ho,Wq (W=1) (FMA) |
|
| n/a |
7xh | ||||||||
| 66h |
VFNMADDPS Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFNMADDPD Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFNMADDSS Vo,Ho,Wd,Lo (W=0) Vo,Ho,Lo,Wd (W=1) (FMA4) |
VFNMADDSD Vo,Ho,Wq,Lo (W=0) Vo,Ho,Lo,Wq (W=1) (FMA4) |
VFNMSUBPS Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFNMSUBPD Vx,Hx,Wx,Lx (W=0) Vx,Hx,Lx,Wx (W=1) (FMA4) |
VFNMSUBSS Vo,Ho,Wd,Lo (W=0) Vo,Ho,Lo,Wd (W=1) (FMA4) |
VFNMSUBSD Vo,Ho,Wq,Lo (W=0) Vo,Ho,Lo,Wq (W=1) (FMA4) |
|
| 66h |
VFNMADDPS Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFNMADDPD Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFNMADDSS Vo,Lo,Wd,Ho (W=0) Vo,Lo,Ho,Wd (W=1) (FMA) |
VFNMADDSD Vo,Lo,Wq,Ho (W=0) Vo,Lo,Ho,Wq (W=1) (FMA) |
VFNMSUBPS Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFNMSUBPD Vx,Lx,Wx,Hx (W=0) Vx,Lx,Hx,Wx (W=1) (FMA) |
VFNMSUBSS Vo,Lo,Wd,Ho (W=0) Vo,Lo,Ho,Wd (W=1) (FMA) |
VFNMSUBSD Vo,Lo,Wq,Ho (W=0) Vo,Lo,Ho,Wq (W=1) (FMA) |
|
| ... | ... | ||||||||
| 66h |
Dxh | VAESKEYGEN- ASSIST Vo,Wo,Ib (see CPUID) |
|||||||
| notes | descriptions | ||||||||
| #1 | The use of Rb=AH/CH/DH/BH results in SPL/BPL/SIL/DIL. Without a REX.40 prefix, in case of the SSE version. | ||||||||
| #2 | The zero match codes are TD, TD (alias), MO, and MZ. They are encoded as the zzzz field of the Ib, using 0...3h. | ||||||||
