diff options
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp index 72dd31efecc..b7fcd56724d 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -236,6 +236,9 @@ LoadPropagation::visit(BasicBlock *bb) if (i->op == OP_CALL) // calls have args as sources, they must be in regs continue; + if (i->op == OP_PFETCH) // pfetch expects arg1 to be a reg + continue; + if (i->srcExists(1)) checkSwapSrc01(i); @@ -581,6 +584,11 @@ ConstantFolding::expr(Instruction *i, case OP_POPCNT: res.data.u32 = util_bitcount(a->data.u32 & b->data.u32); break; + case OP_PFETCH: + // The two arguments to pfetch are logically added together. Normally + // the second argument will not be constant, but that can happen. + res.data.u32 = a->data.u32 + b->data.u32; + break; default: return; } @@ -595,7 +603,9 @@ ConstantFolding::expr(Instruction *i, i->getSrc(0)->reg.data = res.data; - if (i->op == OP_MAD || i->op == OP_FMA) { + switch (i->op) { + case OP_MAD: + case OP_FMA: { i->op = OP_ADD; i->setSrc(1, i->getSrc(0)); @@ -610,8 +620,14 @@ ConstantFolding::expr(Instruction *i, bld.setPosition(i, false); i->setSrc(1, bld.loadImm(NULL, res.data.u32)); } - } else { + break; + } + case OP_PFETCH: + // Leave PFETCH alone... we just folded its 2 args into 1. + break; + default: i->op = i->saturate ? OP_SAT : OP_MOV; /* SAT handled by unary() */ + break; } i->subOp = 0; } |