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-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.cpp8
-rw-r--r--llvm/lib/Target/X86/X86InstrAVX512.td2
2 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 2e9d5744073..32e41c36802 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -6070,8 +6070,8 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
// For AVX-length vectors, build the individual 128-bit pieces and use
// shuffles to put them in place.
- if (VT.is256BitVector()) {
- SmallVector<SDValue, 32> V;
+ if (VT.is256BitVector() || VT.is512BitVector()) {
+ SmallVector<SDValue, 64> V;
for (unsigned i = 0; i != NumElems; ++i)
V.push_back(Op.getOperand(i));
@@ -6083,7 +6083,9 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
NumElems/2);
// Recreate the wider vector with the lower and upper part.
- return Concat128BitVectors(Lower, Upper, VT, NumElems, DAG, dl);
+ if (VT.is256BitVector())
+ return Concat128BitVectors(Lower, Upper, VT, NumElems, DAG, dl);
+ return Concat256BitVectors(Lower, Upper, VT, NumElems, DAG, dl);
}
// Let legalizer expand 2-wide build_vectors.
diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td
index edcc32751db..7990d6abcd2 100644
--- a/llvm/lib/Target/X86/X86InstrAVX512.td
+++ b/llvm/lib/Target/X86/X86InstrAVX512.td
@@ -361,7 +361,7 @@ def VEXTRACTPSzmr : AVX512AIi8<0x17, MRMDestMem, (outs),
(ins f32mem:$dst, VR128X:$src1, u32u8imm:$src2),
"vextractps\t{$src2, $src1, $dst|$dst, $src1, $src2}",
[(store (extractelt (bc_v4i32 (v4f32 VR128X:$src1)), imm:$src2),
- addr:$dst)]>, EVEX;
+ addr:$dst)]>, EVEX, EVEX_CD8<32, CD8VT1>;
//===---------------------------------------------------------------------===//
// AVX-512 BROADCAST
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