mirror of
https://github.com/open-goal/jak-project
synced 2026-06-12 21:45:33 -04:00
water111
2075dd66b6
* start the ObjectFileGenerator * finish v3 generation * add analysis for register allocator * add register allocator * fix const * fix build * fix formatting for clang-format * attempt to fix windows build * windows 2 * windows 3 * windows 4 * windows 5 * windows 6
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#ifndef JAK_ASSIGNMENT_H
|
|
#define JAK_ASSIGNMENT_H
|
|
|
|
#include "third-party/fmt/core.h"
|
|
#include "goalc/emitter/Register.h"
|
|
|
|
/*!
|
|
* The assignment of an IRegister to a real Register.
|
|
* For a single IR Instruction.
|
|
*/
|
|
struct Assignment {
|
|
enum class Kind { STACK, REGISTER, UNASSIGNED } kind = Kind::UNASSIGNED;
|
|
emitter::Register reg = -1; //! where the IRegister is now
|
|
int stack_slot = -1; //! index of the slot, if we are ever spilled
|
|
bool spilled = false; //! are we ever spilled
|
|
|
|
std::string to_string() const {
|
|
std::string result;
|
|
if (spilled) {
|
|
result += "*";
|
|
}
|
|
switch (kind) {
|
|
case Kind::STACK:
|
|
result += fmt::format("stack[{:2d}]", stack_slot);
|
|
break;
|
|
case Kind::REGISTER:
|
|
result += emitter::gRegInfo.get_info(reg).name;
|
|
break;
|
|
case Kind::UNASSIGNED:
|
|
result += "unassigned";
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
bool occupies_same_reg(const Assignment& other) const { return other.reg == reg && (reg != -1); }
|
|
|
|
bool occupies_reg(emitter::Register other_reg) const { return reg == other_reg && (reg != -1); }
|
|
|
|
bool is_assigned() const { return kind != Kind::UNASSIGNED; }
|
|
};
|
|
|
|
#endif // JAK_ASSIGNMENT_H
|