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| author | Evan Cheng <evan.cheng@apple.com> | 2008-05-09 23:37:55 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-05-09 23:37:55 +0000 |
| commit | 23573e5be606c52b60ab08ccba6a3125caee4590 (patch) | |
| tree | f77141666eae64aa807ee62990aaed969e0faadf | |
| parent | 6b8583cbf1f8a3df5ae859d3da2ca690ff57f91c (diff) | |
Add a pattern to do move the low element of a v4f32 and zero extend the rest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50922 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 2 | ||||
| -rw-r--r-- | test/CodeGen/X86/vec_set-G.ll | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 12e8b7066f..adb6399e2c 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -2768,6 +2768,8 @@ def : Pat<(v2f64 (X86vzmovl (v2f64 (scalar_to_vector FR64:$src)))), (MOVLSD2PDrr (V_SET0), FR64:$src)>, Requires<[HasSSE2]>; def : Pat<(v4f32 (X86vzmovl (v4f32 (scalar_to_vector FR32:$src)))), (MOVLSS2PSrr (V_SET0), FR32:$src)>, Requires<[HasSSE2]>; +def : Pat<(v4f32 (X86vzmovl (v4f32 VR128:$src))), + (MOVLPSrr (V_SET0), VR128:$src)>, Requires<[HasSSE2]>; } // Splat v2f64 / v2i64 diff --git a/test/CodeGen/X86/vec_set-G.ll b/test/CodeGen/X86/vec_set-G.ll new file mode 100644 index 0000000000..f81907cb69 --- /dev/null +++ b/test/CodeGen/X86/vec_set-G.ll @@ -0,0 +1,9 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movss + +define fastcc void @t(<4 x float> %A) nounwind { + %tmp41896 = extractelement <4 x float> %A, i32 0 ; <float> [#uses=1] + %tmp14082 = insertelement <4 x float> < float 0.000000e+00, float undef, float undef, float undef >, float %tmp41896, i32 1 ; <<4 x float>> [#uses=1] + %tmp14083 = insertelement <4 x float> %tmp14082, float 0.000000e+00, i32 2 ; <<4 x float>> [#uses=1] + store <4 x float> %tmp14083, <4 x float>* null, align 16 + ret void +} |