Add several config options for more efficient code generation.

PowerRecomp/main.cpp

@@ -11,6 +11,14 @@ int main(int argc, char* argv[])
     if (strstr(argv[1], ".xex") != nullptr)
     {
         SWARecompiler recompiler;
+        recompiler.config.skipLr = true;
+        recompiler.config.ctrAsLocalVariable = true;
+        recompiler.config.xerAsLocalVariable = true;
+        recompiler.config.reservedRegisterAsLocalVariable = true;
+        recompiler.config.skipMsr = true;
+        recompiler.config.crRegistersAsLocalVariables = true;
+        recompiler.config.nonArgumentRegistersAsLocalVariables = true;
+        recompiler.config.nonVolatileRegistersAsLocalVariables = true;
 
         std::println("Loading executable...");
         recompiler.LoadExecutable(argv[1]);

PowerRecomp/recompiler.h

@@ -7,6 +7,33 @@ struct SwitchTable
     std::vector<size_t> labels;
 };
 
+struct RecompilerLocalVariables
+{
+    bool ctr{};
+    bool xer{};
+    bool reserved{};
+    bool cr[8]{};
+    bool r[32]{};
+    bool f[32]{};
+    bool v[128]{};
+    bool env{};
+    bool temp{};
+    bool vTemp{};
+    bool ea{};
+};
+
+struct RecompilerConfig
+{
+    bool skipLr = false;
+    bool ctrAsLocalVariable = false;
+    bool xerAsLocalVariable = false;
+    bool reservedRegisterAsLocalVariable = false;
+    bool skipMsr = false;
+    bool crRegistersAsLocalVariables = false;
+    bool nonArgumentRegistersAsLocalVariables = false;
+    bool nonVolatileRegistersAsLocalVariables = false;
+};
+
 struct Recompiler
 {
     Image image;
@@ -15,8 +42,10 @@ struct Recompiler
     std::string out;
     size_t cppFileIndex = 0;
     std::vector<uint8_t> temp;
+    std::string tempString;
     uint32_t setJmpAddress = 0;
     uint32_t longJmpAddress = 0;
+    RecompilerConfig config;
 
     void LoadSwitchTables(const char* filePath);
     void LoadExecutable(const char* filePath);
@@ -34,7 +63,12 @@ struct Recompiler
         out += '\n';
     }
 
-    bool Recompile(const Function& fn, uint32_t base, const ppc_insn& insn, std::unordered_map<size_t, SwitchTable>::iterator& switchTable);
+    bool Recompile(
+        const Function& fn,
+        uint32_t base,
+        const ppc_insn& insn, 
+        std::unordered_map<size_t, SwitchTable>::iterator& switchTable, 
+        RecompilerLocalVariables& localVariables);
 
     bool Recompile(const Function& fn);
 

PowerRecomp/test_recompiler.cpp

@@ -45,6 +45,7 @@ void TestRecompiler::RecompileTests(const char* srcDirectoryPath, const char* ds
             auto stem = file.path().stem().string();
             recompiler.Analyse(stem);
 
+            recompiler.println("#define PPC_CONFIG_H_INCLUDED");
             recompiler.println("#include <ppc_context.h>\n");
             recompiler.println("#define __debugbreak()\n");
 
@@ -95,6 +96,7 @@ void TestRecompiler::RecompileTests(const char* srcDirectoryPath, const char* ds
     FILE* file = fopen(std::format("{}/main.cpp", dstDirectoryPath).c_str(), "w");
     std::string main;
 
+    std::println(file, "#define PPC_CONFIG_H_INCLUDED");
     std::println(file, "#include <ppc_context.h>");
     std::println(file, "#include <Windows.h>");
     std::println(file, "#include <print>\n");