RPCS3/rsx_program_decompiler
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Fragment program decompiler: implemented LOOP instruction

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This commit is contained in:
DHrpcs3 2015-12-13 19:48:13 +02:00
parent fba2bb529f
commit 432dcbb253
2 changed files with 25 additions and 2 deletions
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9
.gitignore vendored
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@ -26,3 +26,12 @@
*.exe
*.out
*.app
*.suo
*.ipch
*.VC.db
*.VC.opendb
bin/*
lib/*
tmp/*

18
rsx_decompiler/rsx_decompiler.cpp
View File

@ -636,13 +636,27 @@ namespace rsx
case opcode::BRK: return conditional(expression_from<void_t>("break"));
case opcode::CAL: return unimplemented("CAL");
case opcode::IFE:
writer += writer_t{ "if (" + all(execution_condition()).to_string() + ")\n{\n" };
if (instruction.data.src2.end_offset != instruction.data.src1.else_offset)
writer.before(instruction.data.src1.else_offset >> 2, "}\nelse\n{\n");
writer.after(instruction.data.src2.end_offset >> 2, "}\n");
return writer_t{ "if (" + all(execution_condition()).to_string() + ")\n{\n" };
return "";
case opcode::LOOP: return unimplemented("LOOP");
case opcode::LOOP:
writer += writer_t
{
"for ("
"int i = " + std::to_string(instruction.data.src1.init_counter) + "; " +
"i < " + std::to_string(instruction.data.src1.end_counter) + "; " +
(instruction.data.src1.increment == 1 ? "i++" : "i += " + std::to_string(instruction.data.src1.increment)) +
")\n{\n"
};
writer.after(instruction.data.src2.end_offset >> 2, "}\n");
return "";
case opcode::REP: return unimplemented("REP");
case opcode::RET: return conditional(expression_from<void_t>("return"));
}