diff options
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 7 |
1 files changed, 7 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 74a5a854e77..c9d5b5f7d65 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -915,6 +915,7 @@ ConstantFolding::opnd3(Instruction *i, ImmediateValue &imm2) void ConstantFolding::opnd(Instruction *i, ImmediateValue &imm0, int s) { + const Target *target = prog->getTarget(); const int t = !s; const operation op = i->op; Instruction *newi = i; @@ -1016,6 +1017,12 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue &imm0, int s) i->src(1).mod = i->src(2).mod; i->setSrc(2, NULL); i->op = OP_ADD; + } else + if (s == 1 && !imm0.isNegative() && imm0.isPow2() && + target->isOpSupported(i->op, i->dType)) { + i->op = OP_SHLADD; + imm0.applyLog2(); + i->setSrc(1, new_ImmediateValue(prog, imm0.reg.data.u32)); } break; case OP_ADD: |