const struct opcode *op = &block->opcode_list[offset],
*ds = get_delay_slot(block->opcode_list, offset);
u32 cycles = state->cycles + lightrec_cycles_of_opcode(state->state, op->c);
+ bool has_ds = has_delay_slot(op->c);
jit_note(__FILE__, __LINE__);
update_ra_register(reg_cache, _jit, ra_reg, block->pc, link);
}
- if (has_delay_slot(op->c) &&
- !op_flag_no_ds(op->flags) && !op_flag_local_branch(op->flags)) {
+ if (has_ds && !op_flag_no_ds(op->flags) && !op_flag_local_branch(op->flags)) {
cycles += lightrec_cycles_of_opcode(state->state, ds->c);
/* Recompile the delay slot */
pr_debug("EOB: %u cycles\n", cycles);
}
- if (op_flag_load_delay(ds->flags)
- && opcode_is_load(ds->c) && !state->no_load_delay) {
+ if (has_ds && op_flag_load_delay(ds->flags)
+ && opcode_has_load_delay(ds->c) && !state->no_load_delay) {
/* If the delay slot is a load opcode, its target register
* will be written after the first opcode of the target is
* executed. Handle this by jumping to a special section of
return 0x1f800000 | GENMASK(31 - clz32(length - 1), 0);
}
+static void rec_add_offset(struct lightrec_cstate *cstate,
+ jit_state_t *_jit, u8 reg_out, u8 reg_in,
+ uintptr_t offset)
+{
+ struct regcache *reg_cache = cstate->reg_cache;
+ u8 reg_imm;
+
+ reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit, offset);
+ jit_addr(reg_out, reg_in, reg_imm);
+
+ lightrec_free_reg(reg_cache, reg_imm);
+}
+
+static void rec_and_mask(struct lightrec_cstate *cstate,
+ jit_state_t *_jit, u8 reg_out, u8 reg_in, u32 mask)
+{
+ struct regcache *reg_cache = cstate->reg_cache;
+ u8 reg_imm;
+
+ reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit, mask);
+ jit_andr(reg_out, reg_in, reg_imm);
+
+ lightrec_free_reg(reg_cache, reg_imm);
+}
+
static void rec_store_memory(struct lightrec_cstate *cstate,
const struct block *block,
u16 offset, jit_code_t code,
- jit_code_t swap_code,
- uintptr_t addr_offset, u32 addr_mask,
- bool invalidate)
+ jit_code_t swap_code, uintptr_t addr_offset,
+ u32 addr_mask, bool invalidate)
{
const struct lightrec_state *state = cstate->state;
struct regcache *reg_cache = cstate->reg_cache;
bool need_tmp = !no_mask || add_imm || invalidate;
bool swc2 = c.i.op == OP_SWC2;
u8 in_reg = swc2 ? REG_TEMP : c.i.rt;
- s8 reg_imm;
rs = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rs, 0);
if (need_tmp)
}
if (!no_mask) {
- reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit,
- addr_mask);
-
- jit_andr(tmp, addr_reg, reg_imm);
+ rec_and_mask(cstate, _jit, tmp, addr_reg, addr_mask);
addr_reg = tmp;
-
- lightrec_free_reg(reg_cache, reg_imm);
}
if (addr_offset) {
- reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit,
- addr_offset);
tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
- jit_addr(tmp2, addr_reg, reg_imm);
+ rec_add_offset(cstate, _jit, tmp2, addr_reg, addr_offset);
addr_reg2 = tmp2;
-
- lightrec_free_reg(reg_cache, reg_imm);
} else {
addr_reg2 = addr_reg;
}
jit_code_t swap_code)
{
const struct lightrec_state *state = cstate->state;
+ u32 ram_size = state->mirrors_mapped ? RAM_SIZE * 4 : RAM_SIZE;
struct regcache *reg_cache = cstate->reg_cache;
union code c = block->opcode_list[offset].c;
jit_state_t *_jit = block->_jit;
jit_node_t *to_not_ram, *to_end;
bool swc2 = c.i.op == OP_SWC2;
- u8 tmp, tmp2 = 0, rs, rt, in_reg = swc2 ? REG_TEMP : c.i.rt;
- u32 addr_mask;
- s32 reg_imm;
+ u8 addr_reg, tmp, tmp2 = 0, rs, rt, in_reg = swc2 ? REG_TEMP : c.i.rt;
s16 imm;
jit_note(__FILE__, __LINE__);
rs = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rs, 0);
tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
- if (state->mirrors_mapped)
- addr_mask = 0x1f800000 | (4 * RAM_SIZE - 1);
- else
- addr_mask = 0x1f800000 | (RAM_SIZE - 1);
-
- reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit, addr_mask);
-
/* Convert to KUNSEG and avoid RAM mirrors */
if ((c.i.op == OP_META_SWU || !state->mirrors_mapped) && c.i.imm) {
imm = 0;
jit_addi(tmp, rs, (s16)c.i.imm);
- jit_andr(tmp, tmp, reg_imm);
+ addr_reg = tmp;
} else {
imm = (s16)c.i.imm;
- jit_andr(tmp, rs, reg_imm);
+ addr_reg = rs;
}
+ rec_and_mask(cstate, _jit, tmp, addr_reg, 0x1f800000 | (ram_size - 1));
+
lightrec_free_reg(reg_cache, rs);
- lightrec_free_reg(reg_cache, reg_imm);
if (state->offset_ram != state->offset_scratch) {
tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
jit_state_t *_jit = block->_jit;
jit_node_t *to_not_ram, *to_end;
bool swc2 = c.i.op == OP_SWC2;
- u8 tmp, tmp2, tmp3, masked_reg, rs, rt;
+ u8 addr_reg, tmp, tmp2, tmp3, rs, rt, reg_imm;
u8 in_reg = swc2 ? REG_TEMP : c.i.rt;
- u32 addr_mask = 0x1f800000 | (ram_size - 1);
+ u32 mask;
bool different_offsets = state->offset_ram != state->offset_scratch;
- s32 reg_imm;
jit_note(__FILE__, __LINE__);
tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
tmp3 = lightrec_alloc_reg_in(reg_cache, _jit, 0, 0);
- reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit, addr_mask);
-
/* Convert to KUNSEG and avoid RAM mirrors */
if (c.i.imm) {
jit_addi(tmp2, rs, (s16)c.i.imm);
- jit_andr(tmp2, tmp2, reg_imm);
+ addr_reg = tmp2;
} else {
- jit_andr(tmp2, rs, reg_imm);
+ addr_reg = rs;
}
+ rec_and_mask(cstate, _jit, tmp2, addr_reg, 0x1f800000 | (ram_size - 1));
+
lightrec_free_reg(reg_cache, rs);
- lightrec_free_reg(reg_cache, reg_imm);
tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
+ mask = c.i.op == OP_SW ? RAM_SIZE - 1 : (RAM_SIZE - 1) & ~3;
+ reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit, mask);
+
if (different_offsets) {
to_not_ram = jit_bgti(tmp2, ram_size);
- masked_reg = tmp2;
+ addr_reg = tmp2;
} else {
jit_lti_u(tmp, tmp2, ram_size);
jit_movnr(tmp, tmp2, tmp);
- masked_reg = tmp;
+ addr_reg = tmp;
}
/* Compute the offset to the code LUT */
- if (c.i.op == OP_SW)
- jit_andi(tmp, masked_reg, RAM_SIZE - 1);
- else
- jit_andi(tmp, masked_reg, (RAM_SIZE - 1) & ~3);
+ jit_andr(tmp, addr_reg, reg_imm);
if (!lut_is_32bit(state))
jit_lshi(tmp, tmp, 1);
lightrec_free_reg(reg_cache, tmp);
lightrec_free_reg(reg_cache, tmp3);
+ lightrec_free_reg(reg_cache, reg_imm);
rt = lightrec_alloc_reg_in(reg_cache, _jit, in_reg, 0);
jit_code_t code, jit_code_t swap_code, bool is_unsigned,
uintptr_t addr_offset, u32 addr_mask)
{
+ struct lightrec_state *state = cstate->state;
struct regcache *reg_cache = cstate->reg_cache;
struct opcode *op = &block->opcode_list[offset];
bool load_delay = op_flag_load_delay(op->flags) && !cstate->no_load_delay;
u8 rs, rt, out_reg, addr_reg, flags = REG_EXT;
bool no_mask = op_flag_no_mask(op->flags);
union code c = op->c;
- s8 reg_imm;
s16 imm;
if (load_delay || c.i.op == OP_LWC2)
rt = lightrec_alloc_reg_out(reg_cache, _jit, out_reg, flags);
if ((op->i.op == OP_META_LWU && c.i.imm)
- || (!cstate->state->mirrors_mapped && c.i.imm && !no_mask)) {
+ || (!state->mirrors_mapped && c.i.imm && !no_mask)) {
jit_addi(rt, rs, (s16)c.i.imm);
addr_reg = rt;
imm = 0;
imm = LIGHTNING_UNALIGNED_32BIT;
if (!no_mask) {
- reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit,
- addr_mask);
-
- jit_andr(rt, addr_reg, reg_imm);
+ rec_and_mask(cstate, _jit, rt, addr_reg, addr_mask);
addr_reg = rt;
-
- lightrec_free_reg(reg_cache, reg_imm);
}
if (addr_offset) {
- reg_imm = lightrec_alloc_reg_temp_with_value(reg_cache, _jit,
- addr_offset);
-
- jit_addr(rt, addr_reg, reg_imm);
+ rec_add_offset(cstate, _jit, rt, addr_reg, addr_offset);
addr_reg = rt;
-
- lightrec_free_reg(reg_cache, reg_imm);
}
jit_new_node_www(code, rt, addr_reg, imm);
notaz.gp2x.de / pcsx_rearmed.git / blobdiff