diff options
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp index d88bb341746..737bda3ee33 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -2163,7 +2163,6 @@ LateAlgebraicOpt::tryADDToSHLADD(Instruction *add) Value *src1 = add->getSrc(1); ImmediateValue imm; Instruction *shl; - Modifier mod[2]; Value *src; int s; @@ -2182,20 +2181,19 @@ LateAlgebraicOpt::tryADDToSHLADD(Instruction *add) src = add->getSrc(s); shl = src->getUniqueInsn(); - if (shl->bb != add->bb || shl->usesFlags() || shl->subOp) + if (shl->bb != add->bb || shl->usesFlags() || shl->subOp || shl->src(0).mod) return false; if (!shl->src(1).getImmediate(imm)) return false; - mod[0] = add->src(0).mod; - mod[1] = add->src(1).mod; - add->op = OP_SHLADD; add->setSrc(2, add->src(!s)); - add->src(2).mod = mod[s]; - + // SHL can't have any modifiers, but the ADD source may have had + // one. Preserve it. add->setSrc(0, shl->getSrc(0)); + if (s == 1) + add->src(0).mod = add->src(1).mod; add->setSrc(1, new_ImmediateValue(shl->bb->getProgram(), imm.reg.data.u32)); add->src(1).mod = Modifier(0); |