From 090e28240795ce83ef63f2da768a80ca65b03ec7 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Fri, 5 Oct 2018 20:22:41 -0500 Subject: [PATCH] nir: Add a saturated unsigned integer add opcode Reviewed-by: Jason Ekstrand --- src/compiler/nir/nir_opcodes.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/compiler/nir/nir_opcodes.py b/src/compiler/nir/nir_opcodes.py index ac2bb9cf711..5458ddd8198 100644 --- a/src/compiler/nir/nir_opcodes.py +++ b/src/compiler/nir/nir_opcodes.py @@ -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") -- 2.30.2