diff options
| author | Bill Wendling <isanbard@gmail.com> | 2007-07-04 00:19:54 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2007-07-04 00:19:54 +0000 |
| commit | 93888428d422f3d007012a4ca8a52fb20b219a50 (patch) | |
| tree | be21f603b6ba91670a98a0da14b6fe2875310309 /test/CodeGen/X86/2007-07-03-GR64ToVR64.ll | |
| parent | 5653322e729fd2016556fd1d5e54cde20d3012d8 (diff) | |
| download | external_llvm-93888428d422f3d007012a4ca8a52fb20b219a50.zip external_llvm-93888428d422f3d007012a4ca8a52fb20b219a50.tar.gz external_llvm-93888428d422f3d007012a4ca8a52fb20b219a50.tar.bz2 | |
Allow a GR64 to be moved into an MMX register via the "movd" instruction.
Still need to have JIT generate this code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37863 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2007-07-03-GR64ToVR64.ll')
| -rw-r--r-- | test/CodeGen/X86/2007-07-03-GR64ToVR64.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2007-07-03-GR64ToVR64.ll b/test/CodeGen/X86/2007-07-03-GR64ToVR64.ll new file mode 100644 index 0000000..b2b1a94 --- /dev/null +++ b/test/CodeGen/X86/2007-07-03-GR64ToVR64.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+mmx | grep {movd %rsi, %mm0} && +; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+mmx | grep {movd %rdi, %mm1} && +; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+mmx | grep {paddusw %mm0, %mm1} + +@R = external global <1 x i64> ; <<1 x i64>*> [#uses=1] + +define void @foo(<1 x i64> %A, <1 x i64> %B) { +entry: + %tmp4 = bitcast <1 x i64> %B to <4 x i16> ; <<4 x i16>> [#uses=1] + %tmp6 = bitcast <1 x i64> %A to <4 x i16> ; <<4 x i16>> [#uses=1] + %tmp7 = tail call <4 x i16> @llvm.x86.mmx.paddus.w( <4 x i16> %tmp6, <4 x i16> %tmp4 ) ; <<4 x i16>> [#uses=1] + %tmp8 = bitcast <4 x i16> %tmp7 to <1 x i64> ; <<1 x i64>> [#uses=1] + store <1 x i64> %tmp8, <1 x i64>* @R + tail call void @llvm.x86.mmx.emms( ) + ret void +} + +declare <4 x i16> @llvm.x86.mmx.paddus.w(<4 x i16>, <4 x i16>) + +declare void @llvm.x86.mmx.emms() |