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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 | 867af2678fb238daa9f3fd820ed4a4698c8647fa (patch) | |
| tree | 49c1c4326f1d946f9e2a56b81c8c3799392038e3 | |
| parent | 66da8b5334af6a3174f222778bada9b507cca3ca (diff) | |
| download | llvm-867af2678fb238daa9f3fd820ed4a4698c8647fa.zip llvm-867af2678fb238daa9f3fd820ed4a4698c8647fa.tar.gz llvm-867af2678fb238daa9f3fd820ed4a4698c8647fa.tar.bz2 | |
Add a pattern to do move the low element of a v4f32 and zero extend the rest.
llvm-svn: 50922
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/vec_set-G.ll | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index 12e8b70..adb6399 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/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/llvm/test/CodeGen/X86/vec_set-G.ll b/llvm/test/CodeGen/X86/vec_set-G.ll new file mode 100644 index 0000000..f81907c --- /dev/null +++ b/llvm/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 +} |