[Mesa-dev] [PATCH 2/3] nv50/ir: avoid folding mul + add if the mul has a dnz

[Ilia Mirkin]

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 6192c06..66e7b2e 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -1635,11 +1635,10 @@ AlgebraicOpt::tryADDToMADOrSAD(Instruction *add, operation toOp)
    if (src->getUniqueInsn() && src->getUniqueInsn()->bb != add->bb)
       return false;
 
-   if (src->getInsn()->saturate)
+   if (src->getInsn()->saturate || src->getInsn()->postFactor ||
+       src->getInsn()->dnz)
       return false;
 
-   if (src->getInsn()->postFactor)
-      return false;
    if (toOp == OP_SAD) {
       ImmediateValue imm;
       if (!src->getInsn()->src(2).getImmediate(imm))
-- 
2.4.10