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2 Commits

Author SHA1 Message Date
Matt Arsenault
507c5af818 R600: Cleanup fneg tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214612 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-08-02 02:26:51 +00:00
Michel Danzer
de2e0bc366 R600/SI: Fix fneg for 0.0 
V_ADD_F32 with source modifier does not produce -0.0 for this. Just
manipulate the sign bit directly instead.

Also add a pattern for (fneg (fabs ...)).

Fixes a bunch of bit encoding piglit tests with radeonsi.

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200743 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-04 07:12:38 +00:00