git subrepo pull --force deps/lightrec
[pcsx_rearmed.git] / deps / lightrec / lightrec.c
index d5b1de9..45c3149 100644 (file)
@@ -376,10 +376,10 @@ static void lightrec_rw_generic_cb(struct lightrec_state *state, u32 arg)
        u16 offset = (u16)arg;
 
        block = lightrec_find_block_from_lut(state->block_cache,
-                                            arg >> 16, state->next_pc);
+                                            arg >> 16, state->curr_pc);
        if (unlikely(!block)) {
                pr_err("rw_generic: No block found in LUT for PC 0x%x offset 0x%x\n",
-                        state->next_pc, offset);
+                        state->curr_pc, offset);
                lightrec_set_exit_flags(state, LIGHTREC_EXIT_SEGFAULT);
                return;
        }
@@ -776,7 +776,7 @@ static void * get_next_block_func(struct lightrec_state *state, u32 pc)
        } while (state->exit_flags == LIGHTREC_EXIT_NORMAL
                 && state->current_cycle < state->target_cycle);
 
-       state->next_pc = pc;
+       state->curr_pc = pc;
        return func;
 }
 
@@ -1077,6 +1077,14 @@ static void update_cycle_counter_after_c(jit_state_t *_jit)
        jit_subr(LIGHTREC_REG_CYCLE, JIT_R2, JIT_R1);
 }
 
+static void sync_next_pc(jit_state_t *_jit)
+{
+       if (lightrec_store_next_pc()) {
+               jit_ldxi_i(JIT_V0, LIGHTREC_REG_STATE,
+                          offsetof(struct lightrec_state, next_pc));
+       }
+}
+
 static struct block * generate_dispatcher(struct lightrec_state *state)
 {
        struct block *block;
@@ -1140,6 +1148,7 @@ static struct block * generate_dispatcher(struct lightrec_state *state)
                 * in JIT_V0 and the address of the block in JIT_V1. */
                addr4 = jit_indirect();
 
+               sync_next_pc(_jit);
                update_cycle_counter_before_c(_jit);
 
                jit_prepare();
@@ -1167,6 +1176,7 @@ static struct block * generate_dispatcher(struct lightrec_state *state)
                 * in question; and if it does, handle it accordingly. */
                addr5 = jit_indirect();
 
+               sync_next_pc(_jit);
                update_cycle_counter_before_c(_jit);
 
                jit_prepare();
@@ -1178,22 +1188,24 @@ static struct block * generate_dispatcher(struct lightrec_state *state)
                jit_retval(JIT_V0);
 
                update_cycle_counter_after_c(_jit);
-
-               if (OPT_DETECT_IMPOSSIBLE_BRANCHES)
-                       jit_patch(jmp2);
        }
 
+       /* The block will jump here, with the number of cycles remaining in
+        * LIGHTREC_REG_CYCLE */
+       addr2 = jit_indirect();
+
+       sync_next_pc(_jit);
+
+       if (OPT_HANDLE_LOAD_DELAYS && OPT_DETECT_IMPOSSIBLE_BRANCHES)
+             jit_patch(jmp2);
+
        if (OPT_REPLACE_MEMSET
            && (OPT_DETECT_IMPOSSIBLE_BRANCHES || OPT_HANDLE_LOAD_DELAYS)) {
                jit_patch(jmp);
        }
 
-       /* The block will jump here, with the number of cycles remaining in
-        * LIGHTREC_REG_CYCLE */
-       addr2 = jit_indirect();
-
-       /* Store back the next_pc to the lightrec_state structure */
-       offset = offsetof(struct lightrec_state, next_pc);
+       /* Store back the next PC to the lightrec_state structure */
+       offset = offsetof(struct lightrec_state, curr_pc);
        jit_stxi_i(offset, LIGHTREC_REG_STATE, JIT_V0);
 
        /* Jump to end if state->target_cycle < state->current_cycle */
@@ -1254,7 +1266,7 @@ static struct block * generate_dispatcher(struct lightrec_state *state)
 
        /* Reset JIT_V0 to the next PC */
        jit_ldxi_ui(JIT_V0, LIGHTREC_REG_STATE,
-                   offsetof(struct lightrec_state, next_pc));
+                   offsetof(struct lightrec_state, curr_pc));
 
        /* If we get non-NULL, loop */
        jit_patch_at(jit_bnei(JIT_V1, 0), loop);
@@ -1543,7 +1555,7 @@ int lightrec_compile_block(struct lightrec_cstate *cstate,
        block->_jit = _jit;
 
        lightrec_regcache_reset(cstate->reg_cache);
-       lightrec_preload_pc(cstate->reg_cache);
+       lightrec_preload_pc(cstate->reg_cache, _jit);
 
        cstate->cycles = 0;
        cstate->nb_local_branches = 0;
@@ -1763,13 +1775,13 @@ u32 lightrec_execute(struct lightrec_state *state, u32 pc, u32 target_cycle)
                target_cycle = UINT_MAX;
 
        state->target_cycle = target_cycle;
-       state->next_pc = pc;
+       state->curr_pc = pc;
 
        block_trace = get_next_block_func(state, pc);
        if (block_trace) {
                cycles_delta = state->target_cycle - state->current_cycle;
 
-               cycles_delta = (*func)(state, state->next_pc,
+               cycles_delta = (*func)(state, state->curr_pc,
                                       block_trace, cycles_delta);
 
                state->current_cycle = state->target_cycle - cycles_delta;
@@ -1781,7 +1793,7 @@ u32 lightrec_execute(struct lightrec_state *state, u32 pc, u32 target_cycle)
        if (LOG_LEVEL >= INFO_L)
                lightrec_print_info(state);
 
-       return state->next_pc;
+       return state->curr_pc;
 }
 
 u32 lightrec_run_interpreter(struct lightrec_state *state, u32 pc,