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7 Commits

Author SHA1 Message Date
Vincent Lejeune f143af3fe9 R600: Use function inputs to represent data stored in gpr 
llvm-svn: 194425
 2013-11-11 22:10:24 +00:00
Tom Stellard 0351ea2010 R600: Fix handling of NAN in comparison instructions 
We were completely ignoring the unorder/ordered attributes of condition
codes and also incorrectly lowering seto and setuo.

Reviewed-by: Vincent Lejeune<vljn at ovi.com>
llvm-svn: 191603
 2013-09-28 02:50:50 +00:00
Vincent Lejeune f83df1f1cb R600: use capital letter for PV channel 
llvm-svn: 183107
 2013-06-03 15:44:35 +00:00
Vincent Lejeune 3d5118ca40 R600: Use bottom up scheduling algorithm 
llvm-svn: 182129
 2013-05-17 16:50:56 +00:00
Vincent Lejeune 4c81d4da6f R600: Use depth first scheduling algorithm 
It should increase PV substitution opportunities and lower gpr
usage (pending computations path are "flushed" sooner)

llvm-svn: 182128
 2013-05-17 16:50:44 +00:00
Vincent Lejeune 519f21eed3 R600: Relax some vector constraints on Dot4. 
Dot4 now uses 8 scalar operands instead of 2 vectors one which allows register
coalescer to remove some unneeded COPY.
This patch also defines some structures/functions that can be used to handle
every vector instructions (CUBE, Cayman special instructions...) in a similar
fashion.

llvm-svn: 182126
 2013-05-17 16:50:32 +00:00
Vincent Lejeune 2a44ae0053 R600: If previous bundle is dot4, PV valid chan is always X 
llvm-svn: 180959
 2013-05-02 21:52:55 +00:00