diff options
| author | Jason Ekstrand <jason@jlekstrand.net> | 2017-03-16 21:18:10 -0700 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-03-20 14:08:19 +1000 |
| commit | fcca6a83cddfdd7b82b9a7e0412c060d0830e3c3 (patch) | |
| tree | 8e5bf8ecb6ca72d78e203a8a8200ac84bafb41ff | |
| parent | e0208949d1eaa7d688b5230581ed353889be5246 (diff) | |
spirv: Implement IsInf using an integer comparison
Since we already do fabs on the one source, we're guaranteed to get
positive infinity if we get any infinity at all. Since +inf only has
one IEEE 754 representation, we can use an integer comparison and avoid
all of the ordered/unordered issues.
Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: Elie Tournier <elie.tournier@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | src/compiler/spirv/vtn_alu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/spirv/vtn_alu.c b/src/compiler/spirv/vtn_alu.c index 0738fe0cf9..9e4beedf92 100644 --- a/src/compiler/spirv/vtn_alu.c +++ b/src/compiler/spirv/vtn_alu.c @@ -447,7 +447,7 @@ vtn_handle_alu(struct vtn_builder *b, SpvOp opcode, break; case SpvOpIsInf: - val->ssa->def = nir_feq(&b->nb, nir_fabs(&b->nb, src[0]), + val->ssa->def = nir_ieq(&b->nb, nir_fabs(&b->nb, src[0]), nir_imm_float(&b->nb, INFINITY)); break; |