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| author | Evan Cheng <evan.cheng@apple.com> | 2006-03-19 09:38:54 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-03-19 09:38:54 +0000 |
| commit | f7c2e3628b72657a3d28ae8cfa570e31806634ca (patch) | |
| tree | 50059768d53901f3c0073af1eaea13e594623b78 /llvm/lib | |
| parent | f9d75843f36ec6e4e5d06d3eb9aee6db13725c97 (diff) | |
| download | bcm5719-llvm-f7c2e3628b72657a3d28ae8cfa570e31806634ca.tar.gz bcm5719-llvm-f7c2e3628b72657a3d28ae8cfa570e31806634ca.zip | |
Vector undef's
llvm-svn: 26870
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index e8bbcb31a0a..66daddbb78e 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -341,6 +341,14 @@ def FsANDNPDrm : PDI<0x55, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f128mem:$src2) // SSE packed FP Instructions //===----------------------------------------------------------------------===// +// Some 'special' instructions +def IMPLICIT_DEF_VR128 : I<0, Pseudo, (ops VR128:$dst), + "#IMPLICIT_DEF $dst", + [(set VR128:$dst, (v4f32 (undef)))]>, + Requires<[HasSSE1]>; + +def : Pat<(v2f64 (undef)), (IMPLICIT_DEF_VR128)>, Requires<[HasSSE2]>; + // Move Instructions def MOVAPSrr : PSI<0x28, MRMSrcReg, (ops VR128:$dst, VR128:$src), "movaps {$src, $dst|$dst, $src}", []>; @@ -686,6 +694,19 @@ def UNPCKLPDrm : PDI<0x14, MRMSrcMem, // SSE integer instructions //===----------------------------------------------------------------------===// +// Some 'special' instructions +def IMPLICIT_DEF_VR64 : I<0, Pseudo, (ops VR64:$dst), + "#IMPLICIT_DEF $dst", + [(set VR64:$dst, (v8i8 (undef)))]>, + Requires<[HasMMX]>; + +def : Pat<(v4i16 (undef)), (IMPLICIT_DEF_VR64)>, Requires<[HasMMX]>; +def : Pat<(v2i32 (undef)), (IMPLICIT_DEF_VR64)>, Requires<[HasMMX]>; +def : Pat<(v16i8 (undef)), (IMPLICIT_DEF_VR128)>, Requires<[HasSSE2]>; +def : Pat<(v8i16 (undef)), (IMPLICIT_DEF_VR128)>, Requires<[HasSSE2]>; +def : Pat<(v4i32 (undef)), (IMPLICIT_DEF_VR128)>, Requires<[HasSSE2]>; +def : Pat<(v2i64 (undef)), (IMPLICIT_DEF_VR128)>, Requires<[HasSSE2]>; + // Move Instructions def MOVD128rr : PDI<0x6E, MRMSrcReg, (ops VR128:$dst, R32:$src), "movd {$src, $dst|$dst, $src}", []>; |
