diff options
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/control_flow.cpp')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/control_flow.cpp | 140 |
1 files changed, 59 insertions, 81 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/control_flow.cpp b/src/shader_recompiler/frontend/maxwell/control_flow.cpp index 847bb1986..cb8ec7eaa 100644 --- a/src/shader_recompiler/frontend/maxwell/control_flow.cpp +++ b/src/shader_recompiler/frontend/maxwell/control_flow.cpp @@ -34,41 +34,37 @@ struct Compare { }; u32 BranchOffset(Location pc, Instruction inst) { - return pc.Offset() + inst.branch.Offset() + 8; + return pc.Offset() + static_cast<u32>(inst.branch.Offset()) + 8u; } void Split(Block* old_block, Block* new_block, Location pc) { if (pc <= old_block->begin || pc >= old_block->end) { throw InvalidArgument("Invalid address to split={}", pc); } - *new_block = Block{ - .begin{pc}, - .end{old_block->end}, - .end_class{old_block->end_class}, - .cond{old_block->cond}, - .stack{old_block->stack}, - .branch_true{old_block->branch_true}, - .branch_false{old_block->branch_false}, - .function_call{old_block->function_call}, - .return_block{old_block->return_block}, - .branch_reg{old_block->branch_reg}, - .branch_offset{old_block->branch_offset}, - .indirect_branches{std::move(old_block->indirect_branches)}, - }; - *old_block = Block{ - .begin{old_block->begin}, - .end{pc}, - .end_class{EndClass::Branch}, - .cond{true}, - .stack{std::move(old_block->stack)}, - .branch_true{new_block}, - .branch_false{nullptr}, - .function_call{}, - .return_block{}, - .branch_reg{}, - .branch_offset{}, - .indirect_branches{}, - }; + *new_block = Block{}; + new_block->begin = pc; + new_block->end = old_block->end; + new_block->end_class = old_block->end_class, + new_block->cond = old_block->cond; + new_block->stack = old_block->stack; + new_block->branch_true = old_block->branch_true; + new_block->branch_false = old_block->branch_false; + new_block->function_call = old_block->function_call; + new_block->return_block = old_block->return_block; + new_block->branch_reg = old_block->branch_reg; + new_block->branch_offset = old_block->branch_offset; + new_block->indirect_branches = std::move(old_block->indirect_branches); + + const Location old_begin{old_block->begin}; + Stack old_stack{std::move(old_block->stack)}; + *old_block = Block{}; + old_block->begin = old_begin; + old_block->end = pc; + old_block->end_class = EndClass::Branch; + old_block->cond = IR::Condition(true); + old_block->stack = old_stack; + old_block->branch_true = new_block; + old_block->branch_false = nullptr; } Token OpcodeToken(Opcode opcode) { @@ -141,7 +137,7 @@ std::string NameOf(const Block& block) { void Stack::Push(Token token, Location target) { entries.push_back({ - .token{token}, + .token = token, .target{target}, }); } @@ -177,24 +173,17 @@ bool Block::Contains(Location pc) const noexcept { } Function::Function(ObjectPool<Block>& block_pool, Location start_address) - : entrypoint{start_address}, labels{{ - .address{start_address}, - .block{block_pool.Create(Block{ - .begin{start_address}, - .end{start_address}, - .end_class{EndClass::Branch}, - .cond{true}, - .stack{}, - .branch_true{nullptr}, - .branch_false{nullptr}, - .function_call{}, - .return_block{}, - .branch_reg{}, - .branch_offset{}, - .indirect_branches{}, - })}, - .stack{}, - }} {} + : entrypoint{start_address} { + Label& label{labels.emplace_back()}; + label.address = start_address; + label.block = block_pool.Create(Block{}); + label.block->begin = start_address; + label.block->end = start_address; + label.block->end_class = EndClass::Branch; + label.block->cond = IR::Condition(true); + label.block->branch_true = nullptr; + label.block->branch_false = nullptr; +} CFG::CFG(Environment& env_, ObjectPool<Block>& block_pool_, Location start_address) : env{env_}, block_pool{block_pool_}, program_start{start_address} { @@ -327,7 +316,8 @@ CFG::AnalysisState CFG::AnalyzeInst(Block* block, FunctionId function_id, Locati // Insert the function into the list if it doesn't exist const auto it{std::ranges::find(functions, cal_pc, &Function::entrypoint)}; const bool exists{it != functions.end()}; - const FunctionId call_id{exists ? std::distance(functions.begin(), it) : functions.size()}; + const FunctionId call_id{exists ? static_cast<size_t>(std::distance(functions.begin(), it)) + : functions.size()}; if (!exists) { functions.emplace_back(block_pool, cal_pc); } @@ -362,20 +352,14 @@ void CFG::AnalyzeCondInst(Block* block, FunctionId function_id, Location pc, } // Create a virtual block and a conditional block Block* const conditional_block{block_pool.Create()}; - Block virtual_block{ - .begin{block->begin.Virtual()}, - .end{block->begin.Virtual()}, - .end_class{EndClass::Branch}, - .cond{cond}, - .stack{block->stack}, - .branch_true{conditional_block}, - .branch_false{nullptr}, - .function_call{}, - .return_block{}, - .branch_reg{}, - .branch_offset{}, - .indirect_branches{}, - }; + Block virtual_block{}; + virtual_block.begin = block->begin.Virtual(); + virtual_block.end = block->begin.Virtual(); + virtual_block.end_class = EndClass::Branch; + virtual_block.stack = block->stack; + virtual_block.cond = cond; + virtual_block.branch_true = conditional_block; + virtual_block.branch_false = nullptr; // Save the contents of the visited block in the conditional block *conditional_block = std::move(*block); // Impersonate the visited block with a virtual block @@ -444,7 +428,7 @@ CFG::AnalysisState CFG::AnalyzeBRX(Block* block, Location pc, Instruction inst, if (!is_absolute) { target += pc.Offset(); } - target += brx_table->branch_offset; + target += static_cast<unsigned int>(brx_table->branch_offset); target += 8; targets.push_back(target); } @@ -455,8 +439,8 @@ CFG::AnalysisState CFG::AnalyzeBRX(Block* block, Location pc, Instruction inst, for (const u32 target : targets) { Block* const branch{AddLabel(block, block->stack, target, function_id)}; block->indirect_branches.push_back({ - .block{branch}, - .address{target}, + .block = branch, + .address = target, }); } block->cond = IR::Condition{true}; @@ -523,23 +507,17 @@ Block* CFG::AddLabel(Block* block, Stack stack, Location pc, FunctionId function if (label_it != function.labels.end()) { return label_it->block; } - Block* const new_block{block_pool.Create(Block{ - .begin{pc}, - .end{pc}, - .end_class{EndClass::Branch}, - .cond{true}, - .stack{stack}, - .branch_true{nullptr}, - .branch_false{nullptr}, - .function_call{}, - .return_block{}, - .branch_reg{}, - .branch_offset{}, - .indirect_branches{}, - })}; + Block* const new_block{block_pool.Create()}; + new_block->begin = pc; + new_block->end = pc; + new_block->end_class = EndClass::Branch; + new_block->cond = IR::Condition(true); + new_block->stack = stack; + new_block->branch_true = nullptr; + new_block->branch_false = nullptr; function.labels.push_back(Label{ .address{pc}, - .block{new_block}, + .block = new_block, .stack{std::move(stack)}, }); return new_block; |