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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@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12297>
This commit is contained in:
Ian Romanick 2021-08-06 14:16:24 -07:00 committed by Marge Bot
parent 7fb9e78d09
commit 3ba66ebbc8
1 changed files with 4 additions and 4 deletions
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8
src/compiler/nir/nir_opcodes.py
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@ -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")