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| author | Evan Cheng <evan.cheng@apple.com> | 2011-12-08 22:30:45 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-12-08 22:30:45 +0000 |
| commit | e955726a0e306127317a4392aa70823c2a10420e (patch) | |
| tree | 6bccabc0e06a64c70919790149a995180dea3d50 | |
| parent | 0572c7d31ec0b8636906a66cb5f4215be85ed5e0 (diff) | |
| download | llvm-e955726a0e306127317a4392aa70823c2a10420e.tar.gz llvm-e955726a0e306127317a4392aa70823c2a10420e.tar.bz2 llvm-e955726a0e306127317a4392aa70823c2a10420e.tar.xz | |
Add 256-bit variant vmovss and vmovsd patterns. rdar://10538417
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146196 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 21 | ||||
| -rw-r--r-- | test/CodeGen/X86/avx-shuffle.ll | 10 |
2 files changed, 31 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 7b19d22f8c..e806b8f723 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -645,6 +645,16 @@ let Predicates = [HasAVX] in { (VMOVSSrr (v4f32 VR128:$src1), (EXTRACT_SUBREG (v4f32 VR128:$src2), sub_ss))>; + // 256-bit variants + def : Pat<(v8i32 (X86Movsd VR256:$src1, VR256:$src2)), + (SUBREG_TO_REG (i32 0), + (VMOVSSrr (EXTRACT_SUBREG (v8i32 VR256:$src1), sub_ss), + (EXTRACT_SUBREG (v8i32 VR256:$src2), sub_ss)), sub_xmm)>; + def : Pat<(v8f32 (X86Movsd VR256:$src1, VR256:$src2)), + (SUBREG_TO_REG (i32 0), + (VMOVSSrr (EXTRACT_SUBREG (v8f32 VR256:$src1), sub_ss), + (EXTRACT_SUBREG (v8f32 VR256:$src2), sub_ss)), sub_xmm)>; + // Shuffle with VMOVSD def : Pat<(v2f64 (X86Movsd VR128:$src1, (scalar_to_vector FR64:$src2))), (VMOVSDrr VR128:$src1, FR64:$src2)>; @@ -661,6 +671,17 @@ let Predicates = [HasAVX] in { (VMOVSDrr VR128:$src1, (EXTRACT_SUBREG (v4i32 VR128:$src2), sub_sd))>; + // 256-bit variants + def : Pat<(v4i64 (X86Movsd VR256:$src1, VR256:$src2)), + (SUBREG_TO_REG (i32 0), + (VMOVSDrr (EXTRACT_SUBREG (v4i64 VR256:$src1), sub_sd), + (EXTRACT_SUBREG (v4i64 VR256:$src2), sub_sd)), sub_xmm)>; + def : Pat<(v4f64 (X86Movsd VR256:$src1, VR256:$src2)), + (SUBREG_TO_REG (i32 0), + (VMOVSDrr (EXTRACT_SUBREG (v4f64 VR256:$src1), sub_sd), + (EXTRACT_SUBREG (v4f64 VR256:$src2), sub_sd)), sub_xmm)>; + + // FIXME: Instead of a X86Movlps there should be a X86Movsd here, the problem // is during lowering, where it's not possible to recognize the fold cause // it has two uses through a bitcast. One use disappears at isel time and the diff --git a/test/CodeGen/X86/avx-shuffle.ll b/test/CodeGen/X86/avx-shuffle.ll index 0db334dd99..e66a3d48d3 100644 --- a/test/CodeGen/X86/avx-shuffle.ll +++ b/test/CodeGen/X86/avx-shuffle.ll @@ -8,3 +8,13 @@ define <4 x float> @test1(<4 x float> %a) nounwind { ; CHECK: vshufps ; CHECK: vpshufd } + +; rdar://10538417 +define <3 x i64> @test2(<3 x i64> %v) nounwind readnone { +; CHECK: test2: +; CHECK: vxorps +; CHECK: vmovsd + %1 = shufflevector <2 x i64> undef, <2 x i64> undef, <3 x i32> <i32 0, i32 1, i32 undef> + %2 = shufflevector <3 x i64> zeroinitializer, <3 x i64> %1, <3 x i32> <i32 3, i32 4, i32 2> + ret <3 x i64> %2 +} |