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[X86] Correct the cdisp8 encoding for VGF2P8AFFINEINVQB and VGF2P8AFFINEQB. (#120340)

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These instructions use a 64-bit broadcast size so the element size for
CD8 should be 64.
This commit is contained in:
Craig Topper 2024-12-17 21:36:36 -08:00 committed by GitHub
parent 9fa517208f
commit efc3671500
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GPG Key ID: B5690EEEBB952194
3 changed files with 24 additions and 2 deletions
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4
llvm/lib/Target/X86/X86InstrAVX512.td
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@ -12569,10 +12569,10 @@ multiclass GF2P8AFFINE_avx512_common<bits<8> Op, string OpStr, SDNode OpNode,
defm VGF2P8AFFINEINVQB : GF2P8AFFINE_avx512_common<0xCF, "vgf2p8affineinvqb",
X86GF2P8affineinvqb, SchedWriteVecIMul>,
EVEX, VVVV, EVEX_CD8<8, CD8VF>, REX_W, AVX512AIi8Base;
EVEX, VVVV, EVEX_CD8<64, CD8VF>, REX_W, AVX512AIi8Base;
defm VGF2P8AFFINEQB : GF2P8AFFINE_avx512_common<0xCE, "vgf2p8affineqb",
X86GF2P8affineqb, SchedWriteVecIMul>,
EVEX, VVVV, EVEX_CD8<8, CD8VF>, REX_W, AVX512AIi8Base;
EVEX, VVVV, EVEX_CD8<64, CD8VF>, REX_W, AVX512AIi8Base;
//===----------------------------------------------------------------------===//

7
llvm/test/MC/X86/avx512gfni-att.s
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@ -176,3 +176,10 @@
// CHECK: encoding: [0x62,0xf3,0xdd,0x50,0xce,0x09,0x07]
vgf2p8affineqb $7, (%rcx){1to8}, %zmm20, %zmm1
// CHECK: vgf2p8affineinvqb $7, 8(%rcx){1to8}, %zmm20, %zmm1
// CHECK: encoding: [0x62,0xf3,0xdd,0x50,0xcf,0x49,0x01,0x07]
vgf2p8affineinvqb $7, 8(%rcx){1to8}, %zmm20, %zmm1
// CHECK: vgf2p8affineqb $7, 8(%rcx){1to8}, %zmm20, %zmm1
// CHECK: encoding: [0x62,0xf3,0xdd,0x50,0xce,0x49,0x01,0x07]
vgf2p8affineqb $7, 8(%rcx){1to8}, %zmm20, %zmm1

15
llvm/test/MC/X86/avx512vl_gfni-att.s
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@ -352,3 +352,18 @@
// CHECK: encoding: [0x62,0xf3,0xdd,0x30,0xce,0x09,0x07]
vgf2p8affineqb $7, (%rcx){1to4}, %ymm20, %ymm1
// CHECK: vgf2p8affineinvqb $7, 8(%rcx){1to2}, %xmm20, %xmm1
// CHECK: encoding: [0x62,0xf3,0xdd,0x10,0xcf,0x49,0x01,0x07]
vgf2p8affineinvqb $7, 8(%rcx){1to2}, %xmm20, %xmm1
// CHECK: vgf2p8affineinvqb $7, 8(%rcx){1to4}, %ymm20, %ymm1
// CHECK: encoding: [0x62,0xf3,0xdd,0x30,0xcf,0x49,0x01,0x07]
vgf2p8affineinvqb $7, 8(%rcx){1to4}, %ymm20, %ymm1
// CHECK: vgf2p8affineqb $7, 8(%rcx){1to2}, %xmm20, %xmm1
// CHECK: encoding: [0x62,0xf3,0xdd,0x10,0xce,0x49,0x01,0x07]
vgf2p8affineqb $7, 8(%rcx){1to2}, %xmm20, %xmm1
// CHECK: vgf2p8affineqb $7, 8(%rcx){1to4}, %ymm20, %ymm1
// CHECK: encoding: [0x62,0xf3,0xdd,0x30,0xce,0x49,0x01,0x07]
vgf2p8affineqb $7, 8(%rcx){1to4}, %ymm20, %ymm1