diff options
| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-07-22 18:56:05 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-07-22 18:56:05 +0000 |
| commit | 77242dd5378897f6d5c8f631d0ad5d385bc3e5f7 (patch) | |
| tree | 3c79fe5a030736dd069920f5995c476a37687f74 /llvm/lib/Target/X86 | |
| parent | c535278cf1c314ca1c0138dec9fd00316e307106 (diff) | |
| download | bcm5719-llvm-77242dd5378897f6d5c8f631d0ad5d385bc3e5f7.tar.gz bcm5719-llvm-77242dd5378897f6d5c8f631d0ad5d385bc3e5f7.zip | |
Turn shuffles into unpacks for VT == MVT::v2i64 and MVT::v2f64
too. Patch by Jeff Muizelaar.
llvm-svn: 135789
Diffstat (limited to 'llvm/lib/Target/X86')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 472eb647a0e..c3fa9d1fa2d 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -5837,11 +5837,9 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const { // NOTE: isPSHUFDMask can also match both masks below (unpckl_undef and // unpckh_undef). Only use pshufd if speed is more important than size. if (OptForSize && X86::isUNPCKL_v_undef_Mask(SVOp)) - if (VT != MVT::v2i64 && VT != MVT::v2f64) - return getTargetShuffleNode(getUNPCKLOpcode(VT, getSubtarget()), dl, VT, V1, V1, DAG); + return getTargetShuffleNode(getUNPCKLOpcode(VT, getSubtarget()), dl, VT, V1, V1, DAG); if (OptForSize && X86::isUNPCKH_v_undef_Mask(SVOp)) - if (VT != MVT::v2i64 && VT != MVT::v2f64) - return getTargetShuffleNode(getUNPCKHOpcode(VT), dl, VT, V1, V1, DAG); + return getTargetShuffleNode(getUNPCKHOpcode(VT), dl, VT, V1, V1, DAG); if (X86::isMOVDDUPMask(SVOp) && HasSSE3 && V2IsUndef && RelaxedMayFoldVectorLoad(V1)) @@ -6038,12 +6036,10 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const { } if (X86::isUNPCKL_v_undef_Mask(SVOp)) - if (VT != MVT::v2i64 && VT != MVT::v2f64) - return getTargetShuffleNode(getUNPCKLOpcode(VT, getSubtarget()), - dl, VT, V1, V1, DAG); + return getTargetShuffleNode(getUNPCKLOpcode(VT, getSubtarget()), + dl, VT, V1, V1, DAG); if (X86::isUNPCKH_v_undef_Mask(SVOp)) - if (VT != MVT::v2i64 && VT != MVT::v2f64) - return getTargetShuffleNode(getUNPCKHOpcode(VT), dl, VT, V1, V1, DAG); + return getTargetShuffleNode(getUNPCKHOpcode(VT), dl, VT, V1, V1, DAG); // Handle v8i16 specifically since SSE can do byte extraction and insertion. if (VT == MVT::v8i16) { |
