diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrAVX512.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrAVX512.td | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td index d16505fe906..b64d0c307cc 100644 --- a/llvm/lib/Target/X86/X86InstrAVX512.td +++ b/llvm/lib/Target/X86/X86InstrAVX512.td @@ -909,10 +909,17 @@ let Predicates = [HasAVX512] in { def : Pat<(v8i1 (load addr:$src)), (COPY_TO_REGCLASS (KMOVWkm addr:$src), VK8)>; - def : Pat<(i1 (X86trunc (i32 GR32:$src))), + def : Pat<(i1 (trunc (i32 GR32:$src))), (COPY_TO_REGCLASS (KMOVWkr $src), VK1)>; + + def : Pat<(i1 (trunc (i8 GR8:$src))), + (COPY_TO_REGCLASS + (KMOVWkr (SUBREG_TO_REG (i32 0), GR8:$src, sub_8bit)), VK1)>; def : Pat<(i32 (zext VK1:$src)), (KMOVWrk (COPY_TO_REGCLASS VK1:$src, VK16))>; + def : Pat<(i8 (zext VK1:$src)), + (EXTRACT_SUBREG + (KMOVWrk (COPY_TO_REGCLASS VK1:$src, VK16)), sub_8bit)>; } // With AVX-512 only, 8-bit mask is promoted to 16-bit mask. let Predicates = [HasAVX512] in { @@ -1087,9 +1094,9 @@ multiclass avx512_mask_testop_w<bits<8> opc, string OpcodeStr, SDNode OpNode> { defm KORTEST : avx512_mask_testop_w<0x98, "kortest", X86kortest>; -def : Pat<(X86cmp VK1:$src1, VK1:$src2), +def : Pat<(X86cmp VK1:$src1, (i1 0)), (KORTESTWrr (COPY_TO_REGCLASS VK1:$src1, VK16), - (COPY_TO_REGCLASS VK1:$src2, VK16))>; + (COPY_TO_REGCLASS VK1:$src1, VK16))>; // Mask shift multiclass avx512_mask_shiftop<bits<8> opc, string OpcodeStr, RegisterClass KRC, |
