summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp2
-rw-r--r--llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll2
2 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp b/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp
index d8f8f9e7393..472474d566c 100644
--- a/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp
+++ b/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp
@@ -367,7 +367,7 @@ void DecodeVPPERMMask(ArrayRef<uint64_t> RawMask,
continue;
}
- uint64_t PermuteOp = (M >> 5) & 0x3;
+ uint64_t PermuteOp = (M >> 5) & 0x7;
if (PermuteOp == 4) {
ShuffleMask.push_back(SM_SentinelZero);
continue;
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll
index 0fba8319b59..dda93aca9b8 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll
@@ -23,7 +23,7 @@ define <16 x i8> @combine_vpperm_identity(<16 x i8> %a0, <16 x i8> %a1) {
define <16 x i8> @combine_vpperm_zero(<16 x i8> %a0, <16 x i8> %a1) {
; CHECK-LABEL: combine_vpperm_zero:
; CHECK: # BB#0:
-; CHECK-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; CHECK-NEXT: vxorps %xmm0, %xmm0, %xmm0
; CHECK-NEXT: retq
%res0 = call <16 x i8> @llvm.x86.xop.vpperm(<16 x i8> %a0, <16 x i8> %a1, <16 x i8> <i8 128, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>)
%res1 = call <16 x i8> @llvm.x86.xop.vpperm(<16 x i8> %res0, <16 x i8> undef, <16 x i8> <i8 0, i8 128, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>)
OpenPOWER on IntegriCloud