diff options
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 3 |
1 files changed, 3 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 9875738593e..1c71155f811 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -1037,12 +1037,15 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue &imm0, int s) } break; case OP_ADD: + case OP_SUB: if (i->usesFlags()) break; if (imm0.isInteger(0)) { if (s == 0) { i->setSrc(0, i->getSrc(1)); i->src(0).mod = i->src(1).mod; + if (i->op == OP_SUB) + i->src(0).mod = i->src(0).mod ^ Modifier(NV50_IR_MOD_NEG); } i->setSrc(1, NULL); i->op = i->src(0).mod.getOp(); |