git subrepo pull --force deps/lightrec

[pcsx_rearmed.git] / deps / lightrec / regcache.h

diff --git a/deps/lightrec/regcache.h b/deps/lightrec/regcache.h
index 8678cc6..cffbf05 100644 (file)
--- a/deps/lightrec/regcache.h
+++ b/deps/lightrec/regcache.h
@@ -1,29 +1,34 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
- * Copyright (C) 2014-2020 Paul Cercueil <paul@crapouillou.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
+ * Copyright (C) 2014-2021 Paul Cercueil <paul@crapouillou.net>
  */
 
 #ifndef __REGCACHE_H__
 #define __REGCACHE_H__
 
-#include "lightrec-private.h"
+#include "lightning-wrapper.h"
 
-#define NUM_REGS (JIT_V_NUM - 2)
-#define NUM_TEMPS (JIT_R_NUM)
+#define NUM_REGS (JIT_V_NUM - 1)
 #define LIGHTREC_REG_STATE (JIT_V(JIT_V_NUM - 1))
-#define LIGHTREC_REG_CYCLE (JIT_V(JIT_V_NUM - 2))
 
-#define REG_LO 32
-#define REG_HI 33
+#if defined(__powerpc__)
+#  define NUM_TEMPS JIT_R_NUM
+/* JIT_R0 is callee-saved on PowerPC, we have to use something else */
+#  define LIGHTREC_REG_CYCLE _R10
+#  define FIRST_TEMP 0
+#else
+#  define NUM_TEMPS (JIT_R_NUM - 1)
+#  define LIGHTREC_REG_CYCLE JIT_R0
+#  define FIRST_TEMP 1
+#endif
+
+#include "lightrec-private.h"
+
+#define FIRST_REG 0
+
+/* 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;
@@ -35,15 +40,20 @@ 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 lightrec_alloc_reg_in(struct regcache *cache, jit_state_t *_jit, u8 reg);
-u8 lightrec_alloc_reg_out_ext(struct regcache *cache,
-                             jit_state_t *_jit, u8 reg);
-u8 lightrec_alloc_reg_in_ext(struct regcache *cache, jit_state_t *_jit, u8 reg);
+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);
 
+s8 lightrec_get_reg_with_value(struct regcache *cache, intptr_t value);
+void lightrec_temp_set_value(struct regcache *cache, u8 jit_reg, intptr_t value);
+
+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);
@@ -53,9 +63,11 @@ 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);
+_Bool lightrec_has_dirty_regs(struct regcache *cache);
 
 void lightrec_clean_reg_if_loaded(struct regcache *cache, jit_state_t *_jit,
                                  u8 reg, _Bool unload);
+void lightrec_discard_reg_if_loaded(struct regcache *cache, u8 reg);
 
 u8 lightrec_alloc_reg_in_address(struct regcache *cache,
                jit_state_t *_jit, u8 reg, s16 offset);