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| author | Evan Cheng <evan.cheng@apple.com> | 2008-10-06 21:13:08 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-10-06 21:13:08 +0000 |
| commit | 94d14f2d45cd5332c172c6c884050b0246e2ebb4 (patch) | |
| tree | 7f3812a75592181689b47071bfac0e0bbe805531 /llvm/lib | |
| parent | 3fef35736e66b53f1c64b30d3fc8c99393c50a10 (diff) | |
| download | bcm5719-llvm-94d14f2d45cd5332c172c6c884050b0246e2ebb4.tar.gz bcm5719-llvm-94d14f2d45cd5332c172c6c884050b0246e2ebb4.zip | |
Fix PR2850 and PR2863. Only generate movddup for 128-bit SSE vector shuffles.
llvm-svn: 57210
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 494ac1d2795..d74588e6285 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -3954,6 +3954,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) { // Canonicalize movddup shuffles. if (V2IsUndef && Subtarget->hasSSE2() && + VT.getSizeInBits() == 128 && X86::isMOVDDUPMask(PermMask.getNode())) return CanonicalizeMovddup(Op, V1, PermMask, DAG, Subtarget->hasSSE3()); |
