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| author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-09-09 18:48:34 +0000 |
|---|---|---|
| committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-09-09 18:48:34 +0000 |
| commit | e8501a468c250ec325dbaa736700a82329587f2c (patch) | |
| tree | be484e708e6a95353defd39b62fbebcac922e978 | |
| parent | 1c5be00ec77b73e1423cbc686ca5cb7e6f7577f9 (diff) | |
| download | bcm5719-llvm-e8501a468c250ec325dbaa736700a82329587f2c.tar.gz bcm5719-llvm-e8501a468c250ec325dbaa736700a82329587f2c.zip | |
Add one more pattern to fallback movddup
llvm-svn: 113522
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/vec_shuffle-37.ll | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index 88b60229b2c..eed685d84b4 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -5688,6 +5688,8 @@ def : Pat<(v2i64 (X86Movddup VR128:$src)), (MOVLHPSrr VR128:$src, VR128:$src)>; def : Pat<(v4f32 (X86Movddup VR128:$src)), (MOVLHPSrr VR128:$src, VR128:$src)>; +def : Pat<(v2f64 (X86Movddup VR128:$src)), + (UNPCKLPDrr VR128:$src, VR128:$src)>; // Shuffle with MOVLHPD def : Pat<(v2f64 (X86Movlhpd VR128:$src1, diff --git a/llvm/test/CodeGen/X86/vec_shuffle-37.ll b/llvm/test/CodeGen/X86/vec_shuffle-37.ll index 1ed858de64e..b09093089c5 100644 --- a/llvm/test/CodeGen/X86/vec_shuffle-37.ll +++ b/llvm/test/CodeGen/X86/vec_shuffle-37.ll @@ -1,4 +1,5 @@ ; RUN: llc < %s -march=x86-64 | FileCheck %s +; RUN: llc -O0 < %s -march=x86 -mcpu=core2 | FileCheck %s --check-prefix=CHECK_O0 define <4 x i32> @t00(<4 x i32>* %a0) nounwind ssp { entry: @@ -12,3 +13,12 @@ entry: ret <4 x i32> %2 } +define void @t01(double* %a0) nounwind ssp { +entry: +; CHECK_O0: movsd (%eax), %xmm0 +; CHECK_O0: unpcklpd %xmm0, %xmm0 + %tmp93 = load double* %a0, align 8 + %vecinit94 = insertelement <2 x double> undef, double %tmp93, i32 1 + store <2 x double> %vecinit94, <2 x double>* undef + ret void +} |
