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3 Commits

Author SHA1 Message Date
Matt Arsenault 22ca3f8860 R600/SI: Allow using f32 rcp / rsq when denormals not handled. 
These are precise enough to use for OpenCL unless denormals
are handled.

llvm-svn: 213107
 2014-07-15 23:50:10 +00:00
Matt Arsenault e9fa3b8e6b R600/SI: Implement less wrong f32 fdiv 
Assuming single precision denormals and accurate sqrt/div are not
reported, this passes the OpenCL conformance test.

llvm-svn: 213089
 2014-07-15 20:18:31 +00:00
Matt Arsenault 151304691c R600/SI: Match rsq instructions 
llvm-svn: 210226
 2014-06-05 00:15:55 +00:00