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5 Commits

Author SHA1 Message Date
Matt Arsenault
7fc3bdab6a R600/SI: Only form min/max with 1 use. 
If the condition is used for something else, this increases
the number of instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224646 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-12-19 23:15:30 +00:00
Matt Arsenault
002ca4ca3f R600: Fix min/max matching problems with unordered compares 
The returned operand needs to be permuted for the unordered
compares. Also fix incorrectly producing fmin_legacy / fmax_legacy
for f64, which don't exist.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224094 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-12-12 02:30:37 +00:00
Matt Arsenault
5097660f86 R600/SI: Change mubuf offsets to print as decimal 
This matches SC's behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223194 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-12-03 03:12:13 +00:00
Matt Arsenault
c093062447 R600: Permute operands when selecting legacy min/max 
This gets the correct NaN behavior based on the compare type
the hardware uses. This now passes the new piglit test I have
for this on SI.

Add stricter tests for the operand order.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222079 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-11-15 05:02:57 +00:00
Matt Arsenault
6f485c0bc5 R600/SI: Fix fmin_legacy / fmax_legacy matching for SI 
select_cc is expanded on SI, so this was never matched.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221941 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-11-13 23:03:09 +00:00