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| author | Evan Cheng <evan.cheng@apple.com> | 2008-07-10 01:08:23 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-07-10 01:08:23 +0000 |
| commit | 331e2bd942f395f3476f2b0c773e551c489a7bf1 (patch) | |
| tree | 9c203f06409422311e23e32c81cba8e55a96b50e | |
| parent | ae55e04d7a89af2a02041ecbf7f46cba753fa8ce (diff) | |
| download | llvm-331e2bd942f395f3476f2b0c773e551c489a7bf1.tar.gz llvm-331e2bd942f395f3476f2b0c773e551c489a7bf1.tar.bz2 llvm-331e2bd942f395f3476f2b0c773e551c489a7bf1.tar.xz | |
Fix for PR2472. Use movss to set lower 32-bits of a zero XMM vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53386 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 2 | ||||
| -rw-r--r-- | test/CodeGen/X86/vec_set-J.ll | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 74fcb5c776..16a52024b5 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -2870,6 +2870,8 @@ 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]>; +def : Pat<(v4i32 (X86vzmovl (v4i32 VR128:$src))), + (MOVLPSrr (V_SET0), VR128:$src)>, Requires<[HasSSE2]>; } // Splat v2f64 / v2i64 diff --git a/test/CodeGen/X86/vec_set-J.ll b/test/CodeGen/X86/vec_set-J.ll new file mode 100644 index 0000000000..488d360734 --- /dev/null +++ b/test/CodeGen/X86/vec_set-J.ll @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movss +; PR2472 + +define <4 x i32> @a(<4 x i32> %a) nounwind { +entry: + %vecext = extractelement <4 x i32> %a, i32 0 + insertelement <4 x i32> zeroinitializer, i32 %vecext, i32 0 + %add = add <4 x i32> %a, %0 + ret <4 x i32> %add +} |