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Author SHA1 Message Date
Simon Pilgrim 1231904c48 [CostModel][X86] Add explicit fcmp costs for pre-SSE42 targets 
Typical throughputs: cmpss/cmpps = 1cy and cmpsd/cmppd = 2cy before the Core2 era

llvm-svn: 351684
 2019-01-20 13:21:43 +00:00
Simon Pilgrim 60e5a3accb [CostModel][X86] Split icmp/fcmp costs tests and test all comparison codes 
llvm-svn: 351682
 2019-01-20 12:10:42 +00:00