OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nir: fix signed overflow for iadd constant folding

Browse Source 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12039>
This commit is contained in:
Rhys Perry
2021-07-29 11:12:29 +01:00
committed by Marge Bot
parent b627b9fcec
commit e008eb1224
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/compiler/nir/nir_opcodes.py
View File

@@ -626,7 +626,7 @@ if (nir_is_rounding_mode_rtz(execution_mode, bit_size)) {
dst = src0 + src1;
}
""")
binop("iadd", tint, _2src_commutative + associative, "src0 + src1")
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) :