diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrSSE.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index d67beac3e95..f9de8e74758 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -208,6 +208,10 @@ def SSE_splat_lo_mask : PatLeaf<(build_vector), [{ return X86::isSplatLoMask(N); }]>; +def MOVDDUP_shuffle_mask : PatLeaf<(build_vector), [{ + return X86::isMOVDDUPMask(N); +}]>; + def MOVHLPS_shuffle_mask : PatLeaf<(build_vector), [{ return X86::isMOVHLPSMask(N); }]>; @@ -755,6 +759,11 @@ def MOVHLPSrr : PSI<0x12, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src1, VR128: } // AddedComplexity } // Constraints = "$src1 = $dst" +let AddedComplexity = 15 in +def : Pat<(v4f32 (vector_shuffle VR128:$src, (undef), MOVDDUP_shuffle_mask)), + (MOVLHPSrr VR128:$src, VR128:$src)>, Requires<[HasSSE1]>; + + // Arithmetic @@ -2452,16 +2461,24 @@ def MOVSLDUPrm : S3SI<0x12, MRMSrcMem, (outs VR128:$dst), (ins f128mem:$src), def MOVDDUPrr : S3DI<0x12, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src), "movddup\t{$src, $dst|$dst, $src}", - [(set VR128:$dst, (v2f64 (vector_shuffle - VR128:$src, (undef), - SSE_splat_lo_mask)))]>; + [(set VR128:$dst, + (v2f64 (vector_shuffle VR128:$src, (undef), + MOVDDUP_shuffle_mask)))]>; def MOVDDUPrm : S3DI<0x12, MRMSrcMem, (outs VR128:$dst), (ins f64mem:$src), "movddup\t{$src, $dst|$dst, $src}", - [(set VR128:$dst, - (v2f64 (vector_shuffle - (scalar_to_vector (loadf64 addr:$src)), - (undef), - SSE_splat_lo_mask)))]>; + [(set VR128:$dst, + (v2f64 (vector_shuffle + (scalar_to_vector (loadf64 addr:$src)), + (undef), MOVDDUP_shuffle_mask)))]>; + +def : Pat<(vector_shuffle + (bc_v2f64 (v2i64 (scalar_to_vector (loadi64 addr:$src)))), + (undef), MOVDDUP_shuffle_mask), + (MOVDDUPrm addr:$src)>, Requires<[HasSSE3]>; +def : Pat<(vector_shuffle + (memopv2f64 addr:$src), (undef), MOVDDUP_shuffle_mask), + (MOVDDUPrm addr:$src)>, Requires<[HasSSE3]>; + // Arithmetic let Constraints = "$src1 = $dst" in { |
