Simon Pilgrim 74de116143 [X86][SSE] Enable commutation from MOVSD/MOVSS to BLENDPD/BLENDPS on SSE41+ targets
Instead of selecting between MOVSD/MOVSS and BLENDPD/BLENDPS at shuffle lowering by subtarget this will help us select the instruction based on actual commutation requirements.

We could possibly add BLENDPD/BLENDPS -> MOVSD/MOVSS commutation and MOVSD/MOVSS memory folding using a similar approach if it proves useful

I avoided adding AVX512 handling as I'm not sure when we should be making use of VBLENDPD/VBLENDPS on EVEX targets

llvm-svn: 283037
2016-10-01 14:26:11 +00:00
2016-10-01 07:34:18 +00:00
2014-03-02 13:08:46 +00:00
2016-09-27 23:18:32 +00:00
2016-01-26 21:29:08 +00:00
2016-08-02 13:26:07 +00:00
2016-07-21 16:46:44 +00:00

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