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4 Commits

Author SHA1 Message Date
Simon Pilgrim 86a95c1ff7 [X86][3DNow!] Add tests to ensure PFMAX/PFMIN are not commuted. 
llvm-svn: 294848
 2017-02-11 14:01:37 +00:00
Simon Pilgrim 6411a0ebed [X86][3DNow!] Enable PFSUB<->PFSUBR commutation 
llvm-svn: 294847
 2017-02-11 13:51:14 +00:00
Simon Pilgrim 4ead1d4aa9 [X86][3DNow!] Enable commutation for PFADD/PFMUL/PFCMPEQ/PAVGUSB/PMULHRW 
All commutations confirmed to give identical results - note PFMAX/PFMIN do not

PFSUB<->PFSUBR should be commutable as well

llvm-svn: 294846
 2017-02-11 13:32:55 +00:00
Simon Pilgrim 6b4a5134af [X86][3DNow!] Add tests showing missed commutation opportunities. 
llvm-svn: 294845
 2017-02-11 13:00:32 +00:00