diff options
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nv50.cpp | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 23 |
2 files changed, 21 insertions, 4 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nv50.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nv50.cpp index 64f5fc0031e..82f7a8f330e 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nv50.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nv50.cpp @@ -1225,7 +1225,7 @@ NV50LoweringPreSSA::handleEXPORT(Instruction *i) i->setDef(0, new_LValue(func, FILE_GPR)); i->getDef(0)->reg.data.id = id; - prog->maxGPR = MAX2(prog->maxGPR, id); + prog->maxGPR = MAX2(prog->maxGPR, id * 2); } } return true; diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp index 805be5fcb40..834fc7d7e30 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -2532,6 +2532,7 @@ MemoryOpt::runOpt(BasicBlock *bb) class FlatteningPass : public Pass { private: + virtual bool visit(Function *); virtual bool visit(BasicBlock *); bool tryPredicateConditional(BasicBlock *); @@ -2540,6 +2541,8 @@ private: inline bool isConstantCondition(Value *pred); inline bool mayPredicate(const Instruction *, const Value *pred) const; inline void removeFlow(Instruction *); + + uint8_t gpr_unit; }; bool @@ -2561,9 +2564,15 @@ FlatteningPass::isConstantCondition(Value *pred) file = ld->src(0).getFile(); } else { file = insn->src(s).getFile(); - // catch $r63 on NVC0 - if (file == FILE_GPR && insn->getSrc(s)->reg.data.id > prog->maxGPR) - file = FILE_IMMEDIATE; + // catch $r63 on NVC0 and $r63/$r127 on NV50. Unfortunately maxGPR is + // in register "units", which can vary between targets. + if (file == FILE_GPR) { + Value *v = insn->getSrc(s); + int bytes = v->reg.data.id * MIN2(v->reg.size, 4); + int units = bytes >> gpr_unit; + if (units > prog->maxGPR) + file = FILE_IMMEDIATE; + } } if (file != FILE_IMMEDIATE && file != FILE_MEMORY_CONST) return false; @@ -2669,6 +2678,14 @@ FlatteningPass::tryPropagateBranch(BasicBlock *bb) } bool +FlatteningPass::visit(Function *fn) +{ + gpr_unit = prog->getTarget()->getFileUnit(FILE_GPR); + + return true; +} + +bool FlatteningPass::visit(BasicBlock *bb) { if (tryPredicateConditional(bb)) |