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| author | Ian Romanick <ian.d.romanick@intel.com> | 2018-07-03 14:19:09 -0700 |
|---|---|---|
| committer | Ian Romanick <ian.d.romanick@intel.com> | 2018-07-26 15:11:13 -0700 |
| commit | dd6cd87fb4cb8f3056604d3188a8c3de555ed976 (patch) | |
| tree | 2865823e0454f7d285e2336fe2164276fc620f70 | |
| parent | e447beab9c9c4302ebaf9cde63eb6f27290f6047 (diff) | |
nir: Don't compare i2f or u2i for greater-than-or-equal or less-than zero
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index dde205b8bcf..7dca68bc1b8 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -195,8 +195,16 @@ optimizations = [ (('fne', ('u2f32', a), 0.0), ('ine', a, 0)), (('feq', ('u2f32', a), 0.0), ('ieq', a, 0)), + (('fge', ('u2f32', a), 0.0), True), + (('fge', 0.0, ('u2f32', a)), ('uge', 0, a)), # ieq instead? + (('flt', ('u2f32', a), 0.0), False), + (('flt', 0.0, ('u2f32', a)), ('ult', 0, a)), # ine instead? (('fne', ('i2f32', a), 0.0), ('ine', a, 0)), (('feq', ('i2f32', a), 0.0), ('ieq', a, 0)), + (('fge', ('i2f32', a), 0.0), ('ige', a, 0)), + (('fge', 0.0, ('i2f32', a)), ('ige', 0, a)), + (('flt', ('i2f32', a), 0.0), ('ilt', a, 0)), + (('flt', 0.0, ('i2f32', a)), ('ilt', 0, a)), # 0.0 < fabs(a) # fabs(a) > 0.0 |