diff options
| author | Tom Stellard <thomas.stellard@amd.com> | 2013-03-08 15:37:09 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-03-08 15:37:09 +0000 |
| commit | 1454cb86be54a8703fca396752be71c50c805b88 (patch) | |
| tree | 4db8262b78df8a49e769c1f096ba9d6c948331b4 /lib/Target/R600/R600Instructions.td | |
| parent | d41650590669bf561d8f3bcae1204f11354954dc (diff) | |
R600: Improve custom lowering of select_cc
Two changes:
1. Prefer SET* instructions when possible
2. Handle the CND*_INT case with floating-point args
Reviewed-by: Christian König <christian.koenig@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176699 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/R600Instructions.td')
| -rw-r--r-- | lib/Target/R600/R600Instructions.td | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/R600/R600Instructions.td b/lib/Target/R600/R600Instructions.td index 10bcdcf3f5..a569f021fc 100644 --- a/lib/Target/R600/R600Instructions.td +++ b/lib/Target/R600/R600Instructions.td @@ -1840,6 +1840,18 @@ let isTerminator=1 in { // ISel Patterns //===----------------------------------------------------------------------===// +// CND*_INT Pattterns for f32 True / False values + +class CND_INT_f32 <InstR600 cnd, CondCode cc> : Pat < + (selectcc (i32 R600_Reg32:$src0), 0, (f32 R600_Reg32:$src1), + R600_Reg32:$src2, cc), + (cnd R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2) +>; + +def : CND_INT_f32 <CNDE_INT, SETEQ>; +def : CND_INT_f32 <CNDGT_INT, SETGT>; +def : CND_INT_f32 <CNDGE_INT, SETGE>; + //CNDGE_INT extra pattern def : Pat < (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1), |