/*
- * Copyright (C) 2012-2019 Free Software Foundation, Inc.
+ * Copyright (C) 2012-2023 Free Software Foundation, Inc.
*
* This file is part of GNU lightning.
*
static void
_jit_dataset(jit_state_t *_jit);
+#define block_update_set(block, target) _block_update_set(_jit, block, target)
+static jit_bool_t _block_update_set(jit_state_t*, jit_block_t*, jit_block_t*);
+
+#define propagate_backward(block) _propagate_backward(_jit, block)
+static void _propagate_backward(jit_state_t*, jit_block_t*);
+
+#define check_block_again() _check_block_again(_jit)
+static jit_bool_t _check_block_again(jit_state_t*);
+
+#define do_setup() _do_setup(_jit)
+static void _do_setup(jit_state_t*);
+
#define jit_setup(block) _jit_setup(_jit, block)
static void
_jit_setup(jit_state_t *_jit, jit_block_t *block);
-#define jit_follow(block, todo) _jit_follow(_jit, block, todo)
+#define do_follow(always) _do_follow(_jit, always)
+static void _do_follow(jit_state_t*, jit_bool_t);
+
+#define jit_follow(block) _jit_follow(_jit, block)
static void
-_jit_follow(jit_state_t *_jit, jit_block_t *block, jit_bool_t *todo);
+_jit_follow(jit_state_t *_jit, jit_block_t *block);
#define jit_update(node, live, mask) _jit_update(_jit, node, live, mask)
static void
for (regno = 0; regno < _jitc->reglen; regno++) {
if ((jit_class(_rvs[regno].spec) & spec) == spec &&
!jit_regset_tstbit(&_jitc->regarg, regno) &&
- !jit_regset_tstbit(&_jitc->reglive, regno))
+ !jit_regset_tstbit(&_jitc->reglive, regno)) {
+ if (jit_regset_tstbit(&_jitc->regmask, regno)) {
+ /* search further, attempting to find a truly known
+ * free register, not just one in unknown state. */
+ jit_int32_t regfree;
+
+ for (regfree = regno + 1;
+ regfree < _jitc->reglen; regfree++) {
+ if ((jit_class(_rvs[regfree].spec) & spec) == spec &&
+ !jit_regset_tstbit(&_jitc->regarg, regfree) &&
+ !jit_regset_tstbit(&_jitc->reglive, regfree) &&
+ !jit_regset_tstbit(&_jitc->regmask, regfree)) {
+ regno = regfree;
+ break;
+ }
+ }
+ }
goto regarg;
+ }
}
/* search for a register matching spec that is not an argument
jit_regset_new(&_jitc->regsav);
jit_regset_new(&_jitc->reglive);
jit_regset_new(&_jitc->regmask);
+ jit_regset_new(&_jitc->explive);
jit_init();
mask = 0;
break;
case jit_code_live: case jit_code_va_end:
- case jit_code_retr: case jit_code_retr_f: case jit_code_retr_d:
- case jit_code_pushargr: case jit_code_pushargr_f:
+ case jit_code_retr_c: case jit_code_retr_uc:
+ case jit_code_retr_s: case jit_code_retr_us:
+ case jit_code_retr_i: case jit_code_retr_ui:
+ case jit_code_retr_l:
+ case jit_code_retr_f: case jit_code_retr_d:
+ case jit_code_pushargr_c:
+ case jit_code_pushargr_uc:
+ case jit_code_pushargr_s:
+ case jit_code_pushargr_us:
+ case jit_code_pushargr_i:
+ case jit_code_pushargr_ui:
+ case jit_code_pushargr_l:
+ case jit_code_pushargr_f:
case jit_code_pushargr_d:
case jit_code_finishr: /* synthesized will set jit_cc_a0_jmp */
mask = jit_cc_a0_reg;
break;
- case jit_code_align: case jit_code_reti: case jit_code_pushargi:
- case jit_code_finishi: /* synthesized will set jit_cc_a0_jmp */
+ case jit_code_align: case jit_code_skip:
+ case jit_code_reti_c: case jit_code_reti_uc:
+ case jit_code_reti_s: case jit_code_reti_us:
+ case jit_code_reti_i: case jit_code_reti_ui:
+ case jit_code_reti_l:
+ case jit_code_pushargi_c:
+ case jit_code_pushargi_uc:
+ case jit_code_pushargi_s:
+ case jit_code_pushargi_us:
+ case jit_code_pushargi_i:
+ case jit_code_pushargi_ui:
+ case jit_code_pushargi_l:
+ case jit_code_finishi: /* synthesized will set jit_cc_a0_jmp */
mask = jit_cc_a0_int;
break;
case jit_code_reti_f: case jit_code_pushargi_f:
case jit_code_allocai:
mask = jit_cc_a0_int|jit_cc_a1_int;
break;
- case jit_code_arg: case jit_code_arg_f: case jit_code_arg_d:
+ case jit_code_arg_c: case jit_code_arg_s:
+ case jit_code_arg_i: case jit_code_arg_l:
+ case jit_code_arg_f: case jit_code_arg_d:
mask = jit_cc_a0_int|jit_cc_a0_arg;
break;
case jit_code_calli: case jit_code_jmpi:
case jit_code_getarg_f: case jit_code_getarg_d:
mask = jit_cc_a0_reg|jit_cc_a0_chg|jit_cc_a1_arg;
break;
- case jit_code_putargr: case jit_code_putargr_f:
- case jit_code_putargr_d:
+ case jit_code_putargr_c:case jit_code_putargr_uc:
+ case jit_code_putargr_s:case jit_code_putargr_us:
+ case jit_code_putargr_i:case jit_code_putargr_ui:
+ case jit_code_putargr_l:
+ case jit_code_putargr_f:case jit_code_putargr_d:
mask = jit_cc_a0_reg|jit_cc_a1_arg;
break;
- case jit_code_putargi:
+ case jit_code_putargi_c:case jit_code_putargi_uc:
+ case jit_code_putargi_s:case jit_code_putargi_us:
+ case jit_code_putargi_i:case jit_code_putargi_ui:
+ case jit_code_putargi_l:
mask = jit_cc_a0_int|jit_cc_a1_arg;
break;
case jit_code_putargi_f:
case jit_code_negr_d: case jit_code_absr_d: case jit_code_sqrtr_d:
case jit_code_movr_d: case jit_code_extr_d: case jit_code_extr_f_d:
case jit_code_ldr_d:
+ case jit_code_clor: case jit_code_clzr:
+ case jit_code_ctor: case jit_code_ctzr:
case jit_code_movr_w_f: case jit_code_movr_f_w:
case jit_code_movr_w_d: case jit_code_movr_d_w:
case jit_code_va_arg: case jit_code_va_arg_d:
label->link = instr;
}
+static void
+_do_setup(jit_state_t *_jit)
+{
+ jit_block_t *block;
+ jit_word_t offset;
+
+ /* create initial mapping of live register values
+ * at the start of a basic block */
+ for (offset = 0; offset < _jitc->blocks.offset; offset++) {
+ block = _jitc->blocks.ptr + offset;
+ if (!block->label)
+ continue;
+ if (block->label->code == jit_code_epilog) {
+ jit_regset_setbit(&block->reglive, JIT_RET);
+ jit_regset_setbit(&block->reglive, JIT_FRET);
+ jit_regset_com(&block->regmask, &block->reglive);
+ continue;
+ }
+ jit_setup(block);
+ }
+}
+
+static jit_bool_t
+_block_update_set(jit_state_t *_jit,
+ jit_block_t *block, jit_block_t *target)
+{
+ jit_regset_t regmask;
+
+ jit_regset_ior(®mask, &block->reglive, &target->reglive);
+ jit_regset_and(®mask, ®mask, &block->regmask);
+ if (jit_regset_set_p(®mask)) {
+ jit_regset_ior(&block->reglive, &block->reglive, ®mask);
+ jit_regset_and(®mask, &block->reglive, &block->regmask);
+ jit_regset_com(®mask, ®mask);
+ jit_regset_and(&block->regmask, &block->regmask, ®mask);
+ block->again = 1;
+ return (1);
+ }
+ return (0);
+}
+
+static void
+_propagate_backward(jit_state_t *_jit, jit_block_t *block)
+{
+ jit_block_t *prev;
+ jit_word_t offset;
+
+ for (offset = block->label->v.w - 1;
+ offset >= 0; --offset) {
+ prev = _jitc->blocks.ptr + offset;
+ if (!block_update_set(prev, block) ||
+ !(prev->label->flag & jit_flag_head))
+ break;
+ }
+}
+
+static jit_bool_t
+_check_block_again(jit_state_t *_jit)
+{
+ jit_int32_t todo;
+ jit_word_t offset;
+ jit_node_t *node, *label;
+ jit_block_t *block, *target;
+
+ todo = 0;
+ for (offset = 0; offset < _jitc->blocks.offset; offset++) {
+ block = _jitc->blocks.ptr + offset;
+ if (block->again) {
+ todo = 1;
+ break;
+ }
+ }
+ /* If no block changed state */
+ if (!todo)
+ return (0);
+
+ do {
+ todo = 0;
+ block = NULL;
+ for (node = _jitc->head; node; node = node->next) {
+ /* Special jumps that match jit_cc_a0_jmp */
+ if (node->code == jit_code_calli || node->code == jit_code_callr)
+ continue;
+
+ /* Remember current label */
+ if (node->code == jit_code_label ||
+ node->code == jit_code_prolog ||
+ node->code == jit_code_epilog) {
+
+ /* If previous block does not pass through */
+ if (!(node->flag & jit_flag_head))
+ block = NULL;
+
+ target = _jitc->blocks.ptr + node->v.w;
+ if (block && target->again && block_update_set(block, target)) {
+ propagate_backward(block);
+ todo = 1;
+ }
+ block = target;
+ }
+ /* If not the first jmpi */
+ else if (block) {
+ /* If a jump to dynamic address or if a jump to raw address */
+ if (!(jit_classify(node->code) & jit_cc_a0_jmp) ||
+ !(node->flag & jit_flag_node))
+ continue;
+ label = node->u.n;
+ /* Mark predecessor needs updating due to target change */
+ target = _jitc->blocks.ptr + label->v.w;
+ if (target->again && block_update_set(block, target)) {
+ propagate_backward(block);
+ todo = 1;
+ }
+ }
+ }
+ }
+ while (todo);
+
+ return (todo);
+}
+
+static void
+_do_follow(jit_state_t *_jit, jit_bool_t always)
+{
+ jit_block_t *block;
+ jit_word_t offset;
+
+ /* set live state of registers not referenced in a block, but
+ * referenced in a jump target or normal flow */
+ for (offset = 0; offset < _jitc->blocks.offset; offset++) {
+ block = _jitc->blocks.ptr + offset;
+ if (!block->label || block->label->code == jit_code_epilog)
+ continue;
+ if (always || block->again) {
+ block->again = 0;
+ jit_follow(block);
+ }
+ }
+}
+
void
_jit_optimize(jit_state_t *_jit)
{
- jit_int32_t pass;
jit_bool_t jump;
jit_bool_t todo;
jit_int32_t mask;
jit_node_t *node;
jit_block_t *block;
jit_word_t offset;
+ jit_regset_t regmask;
+ todo = 0;
_jitc->function = NULL;
thread_jumps();
sequential_labels();
split_branches();
+ do_setup();
+ do_follow(1);
- pass = 0;
+ patch_registers();
+ if (simplify())
+ todo = 1;
-second_pass:
- /* create initial mapping of live register values
- * at the start of a basic block */
- for (offset = 0; offset < _jitc->blocks.offset; offset++) {
- block = _jitc->blocks.ptr + offset;
- if (!block->label)
- continue;
- if (block->label->code != jit_code_epilog)
- jit_setup(block);
+ jit_regset_set_ui(®mask, 0);
+ for (offset = 0; offset < _jitc->reglen; offset++) {
+ if ((jit_class(_rvs[offset].spec) & (jit_class_gpr|jit_class_fpr)) &&
+ (jit_class(_rvs[offset].spec) & jit_class_sav) == jit_class_sav)
+ jit_regset_setbit(®mask, offset);
}
- /* set live state of registers not referenced in a block, but
- * referenced in a jump target or normal flow */
- do {
- todo = 0;
- for (offset = 0; offset < _jitc->blocks.offset; offset++) {
- block = _jitc->blocks.ptr + offset;
- if (!block->label)
- continue;
- if (block->label->code != jit_code_epilog)
- jit_follow(block, &todo);
+ /* Figure out labels that are only reached with a jump */
+ jump = 1;
+ for (node = _jitc->head; node; node = node->next) {
+ switch (node->code) {
+ case jit_code_label:
+ if (!jump) {
+ node->flag |= jit_flag_head;
+ if (!node->link) {
+ /* Block is dead code or only reachable with an
+ * indirect jumps. In such condition, must assume
+ * all callee save registers are live. */
+ block = _jitc->blocks.ptr + node->v.w;
+ jit_regset_ior(&block->reglive,
+ &block->reglive, ®mask);
+ /* Cleanup regmask */
+ block_update_set(block, block);
+ }
+ }
+ break;
+ case jit_code_jmpi: case jit_code_jmpr:
+ case jit_code_epilog:
+ jump = 1;
+ break;
+ case jit_code_data: case jit_code_note:
+ break;
+ default:
+ jump = 0;
+ break;
}
- } while (todo);
-
- if (pass == 0) {
- todo = 0;
-
- patch_registers();
- if (simplify())
- todo = 1;
+ }
- /* figure out labels that are only reached with a jump
- * and is required to do a simple redundant_store removal
- * on jit_beqi below */
- jump = 1;
- for (node = _jitc->head; node; node = node->next) {
- switch (node->code) {
- case jit_code_label:
- if (!jump)
- node->flag |= jit_flag_head;
- break;
- case jit_code_jmpi: case jit_code_jmpr:
- case jit_code_epilog:
- jump = 1;
- break;
- case jit_code_data: case jit_code_note:
- break;
- default:
- jump = 0;
- break;
+ for (node = _jitc->head; node; node = node->next) {
+ mask = jit_classify(node->code);
+ if (mask & jit_cc_a0_reg)
+ node->u.w &= ~jit_regno_patch;
+ if (mask & jit_cc_a1_reg)
+ node->v.w &= ~jit_regno_patch;
+ if (mask & jit_cc_a2_reg)
+ node->w.w &= ~jit_regno_patch;
+ if (node->code == jit_code_beqi) {
+ if (redundant_store(node, 1)) {
+ block = _jitc->blocks.ptr + ((jit_node_t *)node->u.n)->v.w;
+ block->again = 1;
+ todo = 1;
}
}
-
- for (node = _jitc->head; node; node = node->next) {
- mask = jit_classify(node->code);
- if (mask & jit_cc_a0_reg)
- node->u.w &= ~jit_regno_patch;
- if (mask & jit_cc_a1_reg)
- node->v.w &= ~jit_regno_patch;
- if (mask & jit_cc_a2_reg)
- node->w.w &= ~jit_regno_patch;
- if (node->code == jit_code_beqi) {
- if (redundant_store(node, 1))
- todo = 1;
- }
- else if (node->code == jit_code_bnei) {
- if (redundant_store(node, 0))
- todo = 1;
+ else if (node->code == jit_code_bnei) {
+ if (redundant_store(node, 0)) {
+ block = _jitc->blocks.ptr + ((jit_node_t *)node->u.n)->v.w;
+ block->again = 1;
+ todo = 1;
}
}
+ }
- /* If instructions were removed, must recompute state at
- * start of blocks. */
- if (todo) {
- pass = 1;
- goto second_pass;
- }
+ if (!todo)
+ todo = check_block_again();
+
+ /* If instructions were removed or first pass did modify the entry
+ * state of any block */
+ if (todo) {
+ do_setup();
+ todo = 0;
+ do {
+ do_follow(0);
+ /* If any block again has the entry state modified. */
+ todo = check_block_again();
+ } while (todo);
}
for (node = _jitc->head; node; node = node->next) {
case jit_code_label: case jit_code_prolog: case jit_code_epilog:
block = _jitc->blocks.ptr + node->v.w;
jit_regset_set(&_jitc->reglive, &block->reglive);
+ jit_regset_set_ui(&_jitc->explive, 0);
+ break;
+ case jit_code_live:
+ jit_regset_setbit(&_jitc->explive, node->u.w);
break;
case jit_code_callr:
value = jit_regno(node->u.w);
else
jit_regset_setbit(&_jitc->regarg, jit_regno(node->w.w));
}
+ /* Prevent incorrect detection of running out of registers
+ * if will need to patch jump, and all registers have been
+ * used in the current block. */
+ if (node->code == jit_code_jmpi && (node->flag & jit_flag_node)) {
+ jit_node_t *label = node->u.n;
+ jit_block_t *block = _jitc->blocks.ptr + label->v.w;
+ jit_regset_set(&_jitc->reglive, &block->reglive);
+ jit_regset_set(&_jitc->regmask, &block->regmask);
+ if (jit_regset_set_p(&_jitc->explive)) {
+ jit_regset_ior(&_jitc->reglive, &block->reglive, &_jitc->explive);
+ jit_regset_xor(&_jitc->regmask, &_jitc->regmask, &_jitc->explive);
+ }
+ }
}
void
#if defined(__sgi)
int mmap_fd;
#endif
+ int mmap_prot, mmap_flags;
if (!_jitc->realize)
jit_realize();
assert(_jit->user_code);
#else
if (!_jit->user_code) {
+ mmap_prot = PROT_READ | PROT_WRITE;
+#if !(__OpenBSD__ || __APPLE__)
+ mmap_prot |= PROT_EXEC;
+#endif
+#if __NetBSD__
+ mmap_prot = PROT_MPROTECT(mmap_prot);
+ mmap_flags = 0;
+#else
+ mmap_flags = MAP_PRIVATE;
+#endif
+ mmap_flags |= MAP_ANON;
#if defined(__sgi)
mmap_fd = open("/dev/zero", O_RDWR);
#endif
_jit->code.ptr = mmap(NULL, _jit->code.length,
- PROT_EXEC | PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANON, mmap_fd, 0);
+ mmap_prot, mmap_flags, mmap_fd, 0);
assert(_jit->code.ptr != MAP_FAILED);
}
#endif /* !HAVE_MMAP */
_jit->pc.uc = _jit->code.ptr;
for (;;) {
+#if __NetBSD__
+ result = mprotect(_jit->code.ptr, _jit->code.length,
+ PROT_READ | PROT_WRITE);
+ assert(result == 0);
+#endif
if ((code = emit_code()) == NULL) {
_jitc->patches.offset = 0;
for (node = _jitc->head; node; node = node->next) {
# endif
#else
_jit->code.ptr = mmap(NULL, length,
- PROT_EXEC | PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANON, mmap_fd, 0);
+ mmap_prot, mmap_flags, mmap_fd, 0);
#endif
assert(_jit->code.ptr != MAP_FAILED);
jit_free((jit_pointer_t *)&_jitc->data.ptr);
#if HAVE_MMAP
else {
- result = mprotect(_jit->data.ptr, _jit->data.length, PROT_READ);
+ result = mprotect(_jit->data.ptr,
+ _jit->data.length, PROT_READ);
assert(result == 0);
}
if (!_jit->user_code) {
- result = mprotect(_jit->code.ptr, _jit->code.length,
- PROT_READ | PROT_EXEC);
+ _jit->code.protected = _jit->pc.uc - _jit->code.ptr;
+# if __riscv && __WORDSIZE == 64
+ /* FIXME should start adding consts at a page boundary */
+ _jit->code.protected -= _jitc->consts.hash.count * sizeof(jit_word_t);
+# endif
+ result = mprotect(_jit->code.ptr, _jit->code.protected, PROT_READ | PROT_EXEC);
assert(result == 0);
}
#endif /* HAVE_MMAP */
return (NULL);
}
+void
+_jit_protect(jit_state_t *_jit)
+{
+#if !HAVE_MMAP
+ assert (_jit->user_code);
+#else
+ int result;
+ if (_jit->user_code) return;
+ result = mprotect (_jit->code.ptr, _jit->code.protected, PROT_READ | PROT_EXEC);
+ assert (result == 0);
+#endif
+}
+
+void
+_jit_unprotect(jit_state_t *_jit)
+{
+#if !HAVE_MMAP
+ assert (_jit->user_code);
+#else
+ int result;
+ if (_jit->user_code) return;
+ result = mprotect (_jit->code.ptr, _jit->code.protected, PROT_READ | PROT_WRITE);
+ assert (result == 0);
+#endif
+}
+
void
_jit_frame(jit_state_t *_jit, jit_int32_t frame)
{
* or normal flow that have a live register not used in this block.
*/
static void
-_jit_follow(jit_state_t *_jit, jit_block_t *block, jit_bool_t *todo)
+_jit_follow(jit_state_t *_jit, jit_block_t *block)
{
jit_node_t *node;
jit_block_t *next;
/* Remove from unknown state bitmask. */
jit_regset_com(®temp, ®temp);
jit_regset_and(&block->regmask, &block->regmask, ®temp);
- *todo = 1;
+ block->again = 1;
}
case jit_code_prolog:
case jit_code_epilog:
jit_regset_com(®temp, ®temp);
jit_regset_and(&block->regmask,
&block->regmask, ®temp);
- *todo = 1;
+ block->again = 1;
}
}
else {
* to jump to unknown location. */
/* Treat all callee save as live. */
jit_regset_ior(live, live, mask);
+ /* Prevent explicitly set as live registers to
+ * be used as a temporary for the jmpi. */
+ jit_regset_ior(live, live, &_jitc->explive);
/* Treat anything else as dead. */
return;
}
if ((jump = node->link)) {
for (; jump; jump = link) {
link = jump->link;
- jump->u.n = prev;
+ if (jump->code == jit_code_movi)
+ jump->v.n = prev;
+ else
+ jump->u.n = prev;
jump->link = prev->link;
prev->link = jump;
}
if ((jump = next->link)) {
for (; jump; jump = link) {
link = jump->link;
- jump->u.n = node;
+ if (jump->code == jit_code_movi)
+ jump->v.n = node;
+ else
+ jump->u.n = node;
jump->link = node->link;
node->link = jump;
}
jit_node_t *next;
jit_node_t *label;
jit_block_t *block;
+ jit_block_t *blocks;
+ jit_word_t offset;
+ jit_word_t length;
+ length = _jitc->blocks.length;
+ jit_alloc((jit_pointer_t *)&blocks, length * sizeof(jit_block_t));
+ if ((node = _jitc->head) &&
+ (node->code == jit_code_label || node->code == jit_code_prolog)) {
+ block = _jitc->blocks.ptr + node->v.w;
+ memcpy(blocks, block, sizeof(jit_block_t));
+ node->v.w = 0;
+ offset = 1;
+ }
+ else
+ offset = 0;
for (node = _jitc->head; node; node = next) {
if ((next = node->next)) {
if (next->code == jit_code_label ||
next->code == jit_code_prolog ||
- next->code == jit_code_epilog)
- continue;
+ next->code == jit_code_epilog) {
+ if (offset >= length) {
+ jit_realloc((jit_pointer_t *)&blocks,
+ length * sizeof(jit_block_t),
+ (length + 16) * sizeof(jit_block_t));
+ length += 16;
+ }
+ block = _jitc->blocks.ptr + next->v.w;
+ memcpy(blocks + offset, block, sizeof(jit_block_t));
+ next->v.w = offset++;
+ }
/* split block on branches */
- if (jit_classify(node->code) & jit_cc_a0_jmp) {
+ else if (jit_classify(node->code) & jit_cc_a0_jmp) {
label = new_node(jit_code_label);
label->next = next;
node->next = label;
- if (_jitc->blocks.offset >= _jitc->blocks.length) {
- jit_word_t length;
-
- length = _jitc->blocks.length + 16;
- jit_realloc((jit_pointer_t *)&_jitc->blocks.ptr,
- _jitc->blocks.length * sizeof(jit_block_t),
- length * sizeof(jit_block_t));
- _jitc->blocks.length = length;
+ if (offset >= length) {
+ jit_realloc((jit_pointer_t *)&blocks,
+ length * sizeof(jit_block_t),
+ (length + 16) * sizeof(jit_block_t));
+ length += 16;
}
- block = _jitc->blocks.ptr + _jitc->blocks.offset;
+ block = blocks + offset;
block->label = label;
- label->v.w = _jitc->blocks.offset;
+ label->v.w = offset++;
jit_regset_new(&block->reglive);
jit_regset_new(&block->regmask);
- ++_jitc->blocks.offset;
}
}
}
+ jit_free((jit_pointer_t *)&_jitc->blocks.ptr);
+ _jitc->blocks.ptr = blocks;
+ _jitc->blocks.offset = offset;
+ _jitc->blocks.length = length;
}
static jit_bool_t
}
break;
case jit_code_name: case jit_code_note:
- case jit_code_align:
break;
default:
return (0);
case jit_code_bgti_f: return (jit_code_bunlei_f);
case jit_code_bner_f: return (jit_code_beqr_f);
- case jit_code_bnei_f: return (jit_code_beqr_f);
+ case jit_code_bnei_f: return (jit_code_beqi_f);
case jit_code_bunltr_f: return (jit_code_bger_f);
case jit_code_bunlti_f: return (jit_code_bgei_f);
break;
}
}
+
+ return (result);
}
static jit_bool_t
/* no multiple information, so, if set to a constant,
* prefer to keep that information */
if (value->kind == 0) {
- value->kind = jit_kind_code;
switch (node->code) {
/* no information about signed/unsigned either */
case jit_code_stxi_c: value->code = jit_code_ldxi_c; break;
generic_bswapr_ul(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1);
#endif
+#define patch_alist(revert) _patch_alist(_jit, revert)
+static maybe_unused void _patch_alist(jit_state_t *_jit, jit_bool_t revert);
+
#if defined(__i386__) || defined(__x86_64__)
# include "jit_x86.c"
#elif defined(__mips__)
# include "jit_alpha.c"
#elif defined(__riscv)
# include "jit_riscv.c"
+#elif defined(__loongarch__)
+# include "jit_loongarch.c"
#endif
static maybe_unused void
jit_unget_reg(reg);
}
#endif
+
+#if defined(stack_framesize)
+static maybe_unused void
+_patch_alist(jit_state_t *_jit, jit_bool_t revert)
+{
+ jit_int32_t diff;
+ jit_node_t *node;
+ diff = jit_diffsize();
+ if (diff) {
+ if (revert)
+ diff = -diff;
+ for (node = _jitc->function->alist; node; node = node->link) {
+ switch (node->code) {
+ case jit_code_ldxi_c: case jit_code_ldxi_uc:
+ case jit_code_ldxi_s: case jit_code_ldxi_us:
+ case jit_code_ldxi_i:
+#if __WORDSIZE == 64
+ case jit_code_ldxi_ui: case jit_code_ldxi_l:
+#endif
+ case jit_code_ldxi_f: case jit_code_ldxi_d:
+ node->w.w -= diff;
+ break;
+ case jit_code_stxi_c: case jit_code_stxi_s:
+ case jit_code_stxi_i:
+#if __WORDSIZE == 64
+ case jit_code_stxi_l:
+#endif
+ case jit_code_stxi_f: case jit_code_stxi_d:
+ node->u.w -= diff;
+ break;
+ default:
+ abort();
+ }
+ }
+ }
+}
+#endif
notaz.gp2x.de / pcsx_rearmed.git / blobdiff