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4 Commits

Author SHA1 Message Date
Matt Arsenault 49dd4283ed R600/SI: Prefer selecting more e64 instruction forms. 
Add some more tests to make sure better operand
choices are still made. Leave some cases that seem
to have no reason to ever be e64 alone.

llvm-svn: 217789
 2014-09-15 17:15:02 +00:00
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