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recompiler: added support for discard on export with masked EXEC

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This commit is contained in:
psucien 2024-07-13 14:40:39 +02:00
parent 1b94f07a6a
commit f041276b04
12 changed files with 47 additions and 5 deletions
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22
src/shader_recompiler/frontend/control_flow_graph.cpp
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@ -121,7 +121,7 @@ void CFG::EmitBlocks() {
void CFG::LinkBlocks() {
const auto get_block = [this](u32 address) {
const auto it = blocks.find(address, Compare{});
auto it = blocks.find(address, Compare{});
ASSERT_MSG(it != blocks.end() && it->begin == address);
return &*it;
};
@ -131,7 +131,10 @@ void CFG::LinkBlocks() {
// If the block doesn't end with a branch we simply
// need to link with the next block.
if (!end_inst.IsTerminateInstruction()) {
block.branch_true = get_block(block.end);
auto* next_block = get_block(block.end);
++next_block->num_predecessors;
block.branch_true = next_block;
block.end_class = EndClass::Branch;
continue;
}
@ -141,11 +144,20 @@ void CFG::LinkBlocks() {
const u32 branch_pc = block.end - end_inst.length;
const u32 target_pc = end_inst.BranchTarget(branch_pc);
if (end_inst.IsUnconditionalBranch()) {
block.branch_true = get_block(target_pc);
auto* target_block = get_block(target_pc);
++target_block->num_predecessors;
block.branch_true = target_block;
block.end_class = EndClass::Branch;
} else if (end_inst.IsConditionalBranch()) {
block.branch_true = get_block(target_pc);
block.branch_false = get_block(block.end);
auto* target_block = get_block(target_pc);
++target_block->num_predecessors;
auto* end_block = get_block(block.end);
++end_block->num_predecessors;
block.branch_true = target_block;
block.branch_false = end_block;
block.end_class = EndClass::Branch;
} else if (end_inst.opcode == Opcode::S_ENDPGM) {
const auto& prev_inst = inst_list[block.end_index - 1];