[Mesa-dev] [PATCH 2/2] nv50/ir: we can't do the add to mad conversion when the mul saturates

[Karol Herbst]

---
 src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp 
b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 1d04a6d..7e58328 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -1635,6 +1635,9 @@ AlgebraicOpt::tryADDToMADOrSAD(Instruction *add, 
operation toOp)
    if (src->getUniqueInsn() && src->getUniqueInsn()->bb != add->bb)
       return false;
 
+   if (src->getInsn()->saturate)
+      return false;
+
    if (src->getInsn()->postFactor)
       return false;
    if (toOp == OP_SAD) {
-- 
2.7.0

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