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| author | Evan Cheng <evan.cheng@apple.com> | 2008-05-08 22:35:02 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-05-08 22:35:02 +0000 |
| commit | fd17f42bab8786850a9f8b2f84908b30598b160b (patch) | |
| tree | a41ed3d421829abdc3cbb80327875fb5d6aac3a8 /lib | |
| parent | 748118d8aa8a66597437e6970ab389c988bbdb8b (diff) | |
| download | external_llvm-fd17f42bab8786850a9f8b2f84908b30598b160b.zip external_llvm-fd17f42bab8786850a9f8b2f84908b30598b160b.tar.gz external_llvm-fd17f42bab8786850a9f8b2f84908b30598b160b.tar.bz2 | |
Use movq to move low half of XMM register and zero-extend the rest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50874 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 375d0ad..c56d4c5 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -2916,7 +2916,8 @@ let AddedComplexity = 15 in def : Pat<(v2f64 (vector_shuffle immAllZerosV_bc, VR128:$src, MOVL_shuffle_mask)), (MOVZPQILo2PQIrr VR128:$src)>, Requires<[HasSSE2]>; - +def : Pat<(v2f64 (X86zvmovl (v2f64 VR128:$src))), + (MOVZPQILo2PQIrr VR128:$src)>, Requires<[HasSSE2]>; // FIXME: Temporary workaround since 2-wide shuffle is broken. def : Pat<(int_x86_sse2_movs_d VR128:$src1, VR128:$src2), |