CPU: Basic recompiler implementation for x64 (lui, ori, addiu)

Disabled by default.

src/core/cpu_recompiler_thunks.cpp

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+#include "cpu_recompiler_thunks.h"
+
+namespace CPU::Recompiler {
+
+// TODO: Port thunks to "ASM routines", i.e. code in the jit buffer.
+
+bool Thunks::ReadMemoryByte(Core* cpu, u32 address, u8* value)
+{
+  return cpu->ReadMemoryByte(address, value);
+}
+
+bool Thunks::ReadMemoryHalfWord(Core* cpu, u32 address, u16* value)
+{
+  return cpu->ReadMemoryHalfWord(address, value);
+}
+
+bool Thunks::ReadMemoryWord(Core* cpu, u32 address, u32* value)
+{
+  return cpu->ReadMemoryWord(address, value);
+}
+
+bool Thunks::WriteMemoryByte(Core* cpu, u32 address, u8 value)
+{
+  return cpu->WriteMemoryByte(address, value);
+}
+
+bool Thunks::WriteMemoryHalfWord(Core* cpu, u32 address, u16 value)
+{
+  return cpu->WriteMemoryHalfWord(address, value);
+}
+
+bool Thunks::WriteMemoryWord(Core* cpu, u32 address, u32 value)
+{
+  return cpu->WriteMemoryWord(address, value);
+}
+
+bool Thunks::InterpretInstruction(Core* cpu)
+{
+  cpu->ExecuteInstruction();
+  return cpu->m_exception_raised;
+}
+
+} // namespace CPU::Recompiler