Mesa (main): nir/opcodes: Use u_intN_(min|max)
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Tue Aug 10 22:41:09 UTC 2021
Module: Mesa
Branch: main
Commit: 3ba66ebbc8207a24282b3aab57a2d691d10199f9
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3ba66ebbc8207a24282b3aab57a2d691d10199f9
Author: Ian Romanick <ian.d.romanick at intel.com>
Date: Fri Aug 6 14:16:24 2021 -0700
nir/opcodes: Use u_intN_(min|max)
uadd_sat was updated using sed, so I didn't even notice the surrounding
opcodes. Oops.
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12297>
---
src/compiler/nir/nir_opcodes.py | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/compiler/nir/nir_opcodes.py b/src/compiler/nir/nir_opcodes.py
index 2897a68f826..17a1508c4d5 100644
--- a/src/compiler/nir/nir_opcodes.py
+++ b/src/compiler/nir/nir_opcodes.py
@@ -629,15 +629,15 @@ if (nir_is_rounding_mode_rtz(execution_mode, bit_size)) {
binop("iadd", tint, _2src_commutative + associative, "(uint64_t)src0 + (uint64_t)src1")
binop("iadd_sat", tint, _2src_commutative, """
src1 > 0 ?
- (src0 + src1 < src0 ? (1ull << (bit_size - 1)) - 1 : src0 + src1) :
- (src0 < src0 + src1 ? (1ull << (bit_size - 1)) : src0 + src1)
+ (src0 + src1 < src0 ? u_intN_max(bit_size) : src0 + src1) :
+ (src0 < src0 + src1 ? u_intN_min(bit_size) : src0 + src1)
""")
binop("uadd_sat", tuint, _2src_commutative,
"(src0 + src1) < src0 ? u_uintN_max(sizeof(src0) * 8) : (src0 + src1)")
binop("isub_sat", tint, "", """
src1 < 0 ?
- (src0 - src1 < src0 ? (1ull << (bit_size - 1)) - 1 : src0 - src1) :
- (src0 < src0 - src1 ? (1ull << (bit_size - 1)) : src0 - src1)
+ (src0 - src1 < src0 ? u_intN_max(bit_size) : src0 - src1) :
+ (src0 < src0 - src1 ? u_intN_min(bit_size) : src0 - src1)
""")
binop("usub_sat", tuint, "", "src0 < src1 ? 0 : src0 - src1")
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