Module: Mesa
Branch: master
Commit: edf774bb7eae32f00b900a6faa9b5c698affdcaa
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=edf774bb7eae32f00b900a6faa9b5c698affdcaa
Author: Karol Herbst <nouv...@karolherbst.de>
Date: Thu Jan 28 16:45:58 2016 +0100
nv50/ir: we can't do the add to mad conversion when the mul saturates
Reviewed-by: Ilia Mirkin <imir...@alum.mit.edu>
---
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 35b1fa7..6192c06 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) {
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