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-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 0d74f725bd1..9f446280af8 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -1194,6 +1194,22 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue &imm0, int s)
i->setSrc(1, bld.loadImm(NULL, imm0.reg.data.u32 + imm1.reg.data.u32));
}
break;
+ case OP_MUL:
+ int muls;
+ if (isFloatType(si->dType))
+ return;
+ if (si->src(1).getImmediate(imm1))
+ muls = 1;
+ else if (si->src(0).getImmediate(imm1))
+ muls = 0;
+ else
+ return;
+
+ bld.setPosition(i, false);
+ i->op = OP_MUL;
+ i->setSrc(0, si->getSrc(!muls));
+ i->setSrc(1, bld.loadImm(NULL, imm1.reg.data.u32 << imm0.reg.data.u32));
+ break;
case OP_SUB:
case OP_ADD:
int adds;