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nir: Add a saturated unsigned integer add opcode

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Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Ian Romanick 2018-10-05 20:22:41 -05:00 • committed by Jason Ekstrand
parent 39198a1238
commit 090e282407
1 changed files with 2 additions and 0 deletions
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2
src/compiler/nir/nir_opcodes.py
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@ -462,6 +462,8 @@ def binop_reduce(name, output_size, output_type, src_type, prereduce_expr,
binop("fadd", tfloat, commutative + associative, "src0 + src1")
binop("iadd", tint, commutative + associative, "src0 + src1")
binop("uadd_sat", tuint, commutative,
"(src0 + src1) < src0 ? UINT64_MAX : (src0 + src1)")
binop("fsub", tfloat, "", "src0 - src1")
binop("isub", tint, "", "src0 - src1")