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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2014-02-11 07:25:59 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2014-02-11 07:25:59 +0000 |
| commit | e4092e9895fb8f62202b61586d76f8129991b16e (patch) | |
| tree | 4d7aa0085167d98ed36a894b1f30967d60a85dc6 /lib | |
| parent | defd4bc77bab2df85b68cec9b42dcc580355bafc (diff) | |
| download | llvm-e4092e9895fb8f62202b61586d76f8129991b16e.tar.gz llvm-e4092e9895fb8f62202b61586d76f8129991b16e.tar.bz2 llvm-e4092e9895fb8f62202b61586d76f8129991b16e.tar.xz | |
AVX-512: Optimized BUILD_VECTOR pattern;
fixed encoding of VEXTRACTPS instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201134 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 8 | ||||
| -rw-r--r-- | lib/Target/X86/X86InstrAVX512.td | 2 |
2 files changed, 6 insertions, 4 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 2e9d574407..32e41c3680 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/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/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td index edcc32751d..7990d6abcd 100644 --- a/lib/Target/X86/X86InstrAVX512.td +++ b/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 |