beetle-psx-libretro/deps/lightrec/regcache.h
Zachary Cook a388aacc8f git subrepo pull --force deps/lightrec
subrepo:
  subdir:   "deps/lightrec"
  merged:   "aa2f992e"
upstream:
  origin:   "https://github.com/pcercuei/lightrec.git"
  branch:   "master"
  commit:   "aa2f992e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "2f68596"
2021-05-21 20:49:02 -04:00

69 lines
2.4 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2014-2021 Paul Cercueil <paul@crapouillou.net>
*/
#ifndef __REGCACHE_H__
#define __REGCACHE_H__
#include "lightrec-private.h"
#define NUM_REGS (JIT_V_NUM - 2)
#define NUM_TEMPS (JIT_R_NUM)
#define LIGHTREC_REG_STATE (JIT_V(JIT_V_NUM - 1))
#define LIGHTREC_REG_CYCLE (JIT_V(JIT_V_NUM - 2))
/* Flags for lightrec_alloc_reg_in / lightrec_alloc_reg_out. */
#define REG_EXT BIT(0) /* register is sign-extended */
#define REG_ZEXT BIT(1) /* register is zero-extended */
struct register_value {
_Bool known;
u32 value;
};
struct native_register;
struct regcache;
u8 lightrec_alloc_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg);
u8 lightrec_alloc_reg_temp(struct regcache *cache, jit_state_t *_jit);
u8 lightrec_alloc_reg_out(struct regcache *cache, jit_state_t *_jit,
u8 reg, u8 flags);
u8 lightrec_alloc_reg_in(struct regcache *cache, jit_state_t *_jit,
u8 reg, u8 flags);
u8 lightrec_request_reg_in(struct regcache *cache, jit_state_t *_jit,
u8 reg, u8 jit_reg);
u8 lightrec_get_reg_in_flags(struct regcache *cache, u8 jit_reg);
void lightrec_set_reg_out_flags(struct regcache *cache, u8 jit_reg, u8 flags);
void lightrec_regcache_reset(struct regcache *cache);
void lightrec_lock_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg);
void lightrec_free_reg(struct regcache *cache, u8 jit_reg);
void lightrec_free_regs(struct regcache *cache);
void lightrec_clean_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg);
void lightrec_clean_regs(struct regcache *cache, jit_state_t *_jit);
void lightrec_unload_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg);
void lightrec_storeback_regs(struct regcache *cache, jit_state_t *_jit);
void lightrec_clean_reg_if_loaded(struct regcache *cache, jit_state_t *_jit,
u8 reg, _Bool unload);
u8 lightrec_alloc_reg_in_address(struct regcache *cache,
jit_state_t *_jit, u8 reg, s16 offset);
struct native_register * lightrec_regcache_enter_branch(struct regcache *cache);
void lightrec_regcache_leave_branch(struct regcache *cache,
struct native_register *regs);
struct regcache * lightrec_regcache_init(struct lightrec_state *state);
void lightrec_free_regcache(struct regcache *cache);
const char * lightrec_reg_name(u8 reg);
void lightrec_regcache_mark_live(struct regcache *cache, jit_state_t *_jit);
#endif /* __REGCACHE_H__ */