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3 Commits

Author SHA1 Message Date
Aaron Watry 9335fe8eff relational/signbit: Refactor to use relational macros 
Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 213317
 2014-07-17 22:05:25 +00:00
Aaron Watry d7f158e006 relational: Fix signbit 
The vector components were mistakenly using () instead of {}, which caused
all but the last vector component to be dropped on the floor.

Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Jeroen Ketema <j.ketema@imperial.ac.uk>
llvm-svn: 211733
 2014-06-25 21:08:38 +00:00
Aaron Watry d9ee196eab relational: Implement signbit 
v2 Changes:
   - use __builtin_signbit instead of shifting by hand
   - significantly improve vector shuffling
   - Works correctly now for signbit(float16) on radeonsi

Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 211696
 2014-06-25 13:29:23 +00:00