diff options
| author | Eli Friedman <eli.friedman@gmail.com> | 2008-09-05 23:07:03 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2008-09-05 23:07:03 +0000 |
| commit | d0c0fae63bbbdb2d26e62736f0654bfdc5193ccc (patch) | |
| tree | bfe771f0c124753499ee1face4e30fc597a52a6d | |
| parent | 8a11053f3ca7efb29312c4293c4fdb5d2ca3e20f (diff) | |
| download | external_llvm-d0c0fae63bbbdb2d26e62736f0654bfdc5193ccc.zip external_llvm-d0c0fae63bbbdb2d26e62736f0654bfdc5193ccc.tar.gz external_llvm-d0c0fae63bbbdb2d26e62736f0654bfdc5193ccc.tar.bz2 | |
Fix for PR2687: Add patterns to match sint_to_fp and fp_to_sint for <2 x
i32>. This is a little messy, but it works.
We should really get rid of the intrinsics, though, since they map
perfectly well to standard LLVM instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55864 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 4 | ||||
| -rw-r--r-- | test/CodeGen/X86/2008-09-05-sinttofp-2xi32.ll | 15 |
2 files changed, 19 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 3c1d7c7..0664144 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -3080,6 +3080,10 @@ def : Pat<(v4f32 (sint_to_fp (v4i32 VR128:$src))), (Int_CVTDQ2PSrr VR128:$src)>, Requires<[HasSSE2]>; def : Pat<(v4i32 (fp_to_sint (v4f32 VR128:$src))), (Int_CVTTPS2DQrr VR128:$src)>, Requires<[HasSSE2]>; +def : Pat<(v2f64 (sint_to_fp (v2i32 VR64:$src))), + (Int_CVTPI2PDrr VR64:$src)>, Requires<[HasSSE2]>; +def : Pat<(v2i32 (fp_to_sint (v2f64 VR128:$src))), + (Int_CVTTPD2PIrr VR128:$src)>, Requires<[HasSSE2]>; // Use movaps / movups for SSE integer load / store (one byte shorter). def : Pat<(alignedloadv4i32 addr:$src), diff --git a/test/CodeGen/X86/2008-09-05-sinttofp-2xi32.ll b/test/CodeGen/X86/2008-09-05-sinttofp-2xi32.ll new file mode 100644 index 0000000..ffe10d4 --- /dev/null +++ b/test/CodeGen/X86/2008-09-05-sinttofp-2xi32.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep cvttpd2pi | count 1 +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep cvtpi2pd | count 1 +; PR2687 + +define <2 x double> @a(<2 x i32> %x) nounwind { +entry: + %y = sitofp <2 x i32> %x to <2 x double> + ret <2 x double> %y +} + +define <2 x i32> @b(<2 x double> %x) nounwind { +entry: + %y = fptosi <2 x double> %x to <2 x i32> + ret <2 x i32> %y +} |