2 * Copyright (C) 2012-2019 Free Software Foundation, Inc.
4 * This file is part of GNU lightning.
6 * GNU lightning is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU Lesser General Public License as published
8 * by the Free Software Foundation; either version 3, or (at your option)
11 * GNU lightning is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 * License for more details.
17 * Paulo Cesar Pereira de Andrade
20 #if defined(__linux__)
21 # include <sys/cachectl.h>
25 # define NUM_WORD_ARGS 8
27 # define STACK_SHIFT 3
29 # define NUM_WORD_ARGS 4
31 # define STACK_SHIFT 2
33 #if NEW_ABI && __BYTE_ORDER == __BIG_ENDIAN && __WORDSIZE == 32
34 # define WORD_ADJUST 4
36 # define WORD_ADJUST 0
38 #define jit_arg_reg_p(i) ((i) >= 0 && (i) < NUM_WORD_ARGS)
39 #if __BYTE_ORDER == __LITTLE_ENDIAN
44 # define C_DISP STACK_SLOT - sizeof(jit_int8_t)
45 # define S_DISP STACK_SLOT - sizeof(jit_int16_t)
46 # define I_DISP STACK_SLOT - sizeof(jit_int32_t)
52 typedef struct jit_pointer_t jit_va_list_t;
57 #define jit_make_arg(node) _jit_make_arg(_jit,node)
58 static jit_node_t *_jit_make_arg(jit_state_t*,jit_node_t*);
59 #define jit_make_arg_f(node) _jit_make_arg_f(_jit,node)
60 static jit_node_t *_jit_make_arg_f(jit_state_t*,jit_node_t*);
61 #define jit_make_arg_d(node) _jit_make_arg_d(_jit,node)
62 static jit_node_t *_jit_make_arg_d(jit_state_t*,jit_node_t*);
63 #define patch(instr, node) _patch(_jit, instr, node)
64 static void _patch(jit_state_t*,jit_word_t,jit_node_t*);
67 # include "jit_rewind.c"
68 # include "jit_mips-cpu.c"
69 # include "jit_mips-fpu.c"
70 # include "jit_fallback.c"
76 jit_register_t _rvs[] = {
77 { rc(gpr) | 0x01, "at" },
78 { rc(gpr) | 0x02, "v0" },
79 { rc(gpr) | 0x03, "v1" },
81 { rc(gpr) | 0x08, "t0" },
82 { rc(gpr) | 0x09, "t1" },
83 { rc(gpr) | 0x0a, "t2" },
84 { rc(gpr) | 0x0b, "t3" },
86 { rc(gpr) | 0x0c, "t4" },
87 { rc(gpr) | 0x0d, "t5" },
88 { rc(gpr) | 0x0e, "t6" },
89 { rc(gpr) | 0x0f, "t7" },
90 { rc(gpr) | 0x18, "t8" },
91 { rc(gpr) | 0x19, "t9" },
92 { rc(sav) | rc(gpr) | 0x10, "s0" },
93 { rc(sav) | rc(gpr) | 0x11, "s1" },
94 { rc(sav) | rc(gpr) | 0x12, "s2" },
95 { rc(sav) | rc(gpr) | 0x13, "s3" },
96 { rc(sav) | rc(gpr) | 0x14, "s4" },
97 { rc(sav) | rc(gpr) | 0x15, "s5" },
98 { rc(sav) | rc(gpr) | 0x16, "s6" },
99 { rc(sav) | rc(gpr) | 0x17, "s7" },
103 { rc(sav) | 0x1f, "ra" },
104 { rc(sav) | 0x1c, "gp" },
105 { rc(sav) | 0x1d, "sp" },
106 { rc(sav) | 0x1e, "fp" },
108 { rc(gpr) | 0x0b, "a7" },
109 { rc(gpr) | 0x0a, "a6" },
110 { rc(gpr) | 0x09, "a5" },
111 { rc(gpr) | 0x08, "a4" },
113 { rc(arg) | rc(gpr) | 0x07, "a3" },
114 { rc(arg) | rc(gpr) | 0x06, "a2" },
115 { rc(arg) | rc(gpr) | 0x05, "a1" },
116 { rc(arg) | rc(gpr) | 0x04, "a0" },
117 { rc(fpr) | 0x00, "$f0" },
118 { rc(fpr) | 0x02, "$f2" },
119 { rc(fpr) | 0x04, "$f4" },
120 { rc(fpr) | 0x06, "$f6" },
121 { rc(fpr) | 0x08, "$f8" },
122 { rc(fpr) | 0x0a, "$f10" },
124 { rc(sav) | rc(fpr) | 0x10, "$f16" },
125 { rc(sav) | rc(fpr) | 0x12, "$f18" },
127 { rc(sav) | rc(fpr) | 0x14, "$f20" },
128 { rc(sav) | rc(fpr) | 0x16, "$f22" },
129 { rc(sav) | rc(fpr) | 0x18, "$f24" },
130 { rc(sav) | rc(fpr) | 0x1a, "$f26" },
131 { rc(sav) | rc(fpr) | 0x1c, "$f28" },
132 { rc(sav) | rc(fpr) | 0x1e, "$f30" },
134 { rc(arg) | rc(fpr) | 0x13, "$f19" },
135 { rc(arg) | rc(fpr) | 0x12, "$f18" },
136 { rc(arg) | rc(fpr) | 0x11, "$f17" },
137 { rc(arg) | rc(fpr) | 0x10, "$f16" },
138 { rc(arg) | rc(fpr) | 0x0f, "$f15" },
139 { rc(arg) | rc(fpr) | 0x0e, "$f14" },
140 { rc(arg) | rc(fpr) | 0x0d, "$f13" },
141 { rc(arg) | rc(fpr) | 0x0c, "$f12" },
143 { rc(arg) | rc(fpr) | 0x0e, "$f14" },
144 { rc(arg) | rc(fpr) | 0x0c, "$f12" },
146 { _NOREG, "<none>" },
158 _jit_init(jit_state_t *_jit)
160 _jitc->reglen = jit_size(_rvs) - 1;
162 * o reserve a register for carry (overkill)
163 * o use MTLO/MFLO (performance hit)
164 * So, keep a register allocated after setting carry, and implicitly
165 * deallocate it if it can no longer be tracked
171 _jit_prolog(jit_state_t *_jit)
177 assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0);
178 jit_regset_set_ui(&_jitc->regsav, 0);
179 offset = _jitc->functions.offset;
180 if (offset >= _jitc->functions.length) {
181 jit_realloc((jit_pointer_t *)&_jitc->functions.ptr,
182 _jitc->functions.length * sizeof(jit_function_t),
183 (_jitc->functions.length + 16) * sizeof(jit_function_t));
184 _jitc->functions.length += 16;
186 _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++;
187 _jitc->function->self.size = stack_framesize;
188 _jitc->function->self.argi = _jitc->function->self.argf =
189 _jitc->function->self.aoff = _jitc->function->self.alen = 0;
190 _jitc->function->self.call = jit_call_default;
191 jit_alloc((jit_pointer_t *)&_jitc->function->regoff,
192 _jitc->reglen * sizeof(jit_int32_t));
194 /* _no_link here does not mean the jit_link() call can be removed
196 * _jitc->function->prolog = jit_new_node(jit_code_prolog);
198 _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog);
199 jit_link(_jitc->function->prolog);
200 _jitc->function->prolog->w.w = offset;
201 _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog);
203 * v: offset in blocks vector
204 * w: offset in functions vector
206 _jitc->function->epilog->w.w = offset;
208 jit_regset_new(&_jitc->function->regset);
212 _jit_allocai(jit_state_t *_jit, jit_int32_t length)
214 assert(_jitc->function);
216 case 0: case 1: break;
217 case 2: _jitc->function->self.aoff &= -2; break;
218 case 3: case 4: _jitc->function->self.aoff &= -4; break;
219 default: _jitc->function->self.aoff &= -8; break;
221 _jitc->function->self.aoff -= length;
222 if (!_jitc->realize) {
223 jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length);
226 return (_jitc->function->self.aoff);
230 _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v)
233 assert(_jitc->function);
234 jit_inc_synth_ww(allocar, u, v);
235 if (!_jitc->function->allocar) {
236 _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t));
237 _jitc->function->allocar = 1;
239 reg = jit_get_reg(jit_class_gpr);
241 jit_andi(reg, reg, -8);
242 jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff);
244 jit_addr(JIT_SP, JIT_SP, reg);
245 jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u);
251 _jit_ret(jit_state_t *_jit)
254 assert(_jitc->function);
258 jit_patch_at(instr, _jitc->function->epilog);
263 _jit_retr(jit_state_t *_jit, jit_int32_t u)
265 jit_inc_synth_w(retr, u);
267 jit_movr(JIT_RET, u);
274 _jit_reti(jit_state_t *_jit, jit_word_t u)
276 jit_inc_synth_w(reti, u);
277 jit_movi(JIT_RET, u);
283 _jit_retr_f(jit_state_t *_jit, jit_int32_t u)
285 jit_inc_synth_w(retr_f, u);
287 jit_movr_f(JIT_FRET, u);
295 _jit_reti_f(jit_state_t *_jit, jit_float32_t u)
297 jit_inc_synth_f(reti_f, u);
298 jit_movi_f(JIT_FRET, u);
304 _jit_retr_d(jit_state_t *_jit, jit_int32_t u)
306 jit_inc_synth_w(retr_d, u);
308 jit_movr_d(JIT_FRET, u);
316 _jit_reti_d(jit_state_t *_jit, jit_float64_t u)
318 jit_inc_synth_d(reti_d, u);
319 jit_movi_d(JIT_FRET, u);
325 _jit_epilog(jit_state_t *_jit)
327 assert(_jitc->function);
328 assert(_jitc->function->epilog->next == NULL);
329 jit_link(_jitc->function->epilog);
330 _jitc->function = NULL;
334 _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u)
336 if (u->code == jit_code_arg)
337 return (jit_arg_reg_p(u->u.w));
338 assert(u->code == jit_code_arg_f || u->code == jit_code_arg_d);
340 return (jit_arg_reg_p(u->u.w));
347 _jit_make_arg(jit_state_t *_jit, jit_node_t *node)
351 if (jit_arg_reg_p(_jitc->function->self.argi))
352 offset = _jitc->function->self.argi++;
354 offset = _jitc->function->self.size;
355 _jitc->function->self.size += STACK_SLOT;
358 offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT;
359 _jitc->function->self.argi = 1;
361 offset = _jitc->function->self.size;
362 _jitc->function->self.size += STACK_SLOT;
364 if (node == (jit_node_t *)0)
365 node = jit_new_node(jit_code_arg);
369 node->v.w = ++_jitc->function->self.argn;
375 _jit_make_arg_f(jit_state_t *_jit, jit_node_t *node)
379 if (jit_arg_reg_p(_jitc->function->self.argi)) {
380 offset = _jitc->function->self.argi++;
381 if (_jitc->function->self.call & jit_call_varargs)
385 offset = _jitc->function->self.size;
386 _jitc->function->self.size += STACK_SLOT;
389 offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT;
390 if (offset < NUM_WORD_ARGS) {
391 if (!_jitc->function->self.argi &&
392 !(_jitc->function->self.call & jit_call_varargs)) {
397 _jitc->function->self.argi = 1;
399 /* Use as flag to rewind in case of varargs function */
400 ++_jitc->function->self.argf;
404 offset = _jitc->function->self.size;
405 _jitc->function->self.size += STACK_SLOT;
407 if (node == (jit_node_t *)0)
408 node = jit_new_node(jit_code_arg_f);
412 node->v.w = ++_jitc->function->self.argn;
418 _jit_make_arg_d(jit_state_t *_jit, jit_node_t *node)
422 if (jit_arg_reg_p(_jitc->function->self.argi)) {
423 offset = _jitc->function->self.argi++;
424 if (_jitc->function->self.call & jit_call_varargs)
428 offset = _jitc->function->self.size;
429 _jitc->function->self.size += STACK_SLOT;
432 if (_jitc->function->self.size & 7) {
433 _jitc->function->self.size += 4;
434 _jitc->function->self.argi = 1;
436 offset = (_jitc->function->self.size - stack_framesize) >> STACK_SHIFT;
437 if (offset < NUM_WORD_ARGS) {
438 if (!_jitc->function->self.argi &&
439 !(_jitc->function->self.call & jit_call_varargs)) {
441 /* Use as flag to rewind in case of varargs function */
442 ++_jitc->function->self.argf;
446 offset = _jitc->function->self.size;
447 _jitc->function->self.size += sizeof(jit_float64_t);
449 if (node == (jit_node_t *)0)
450 node = jit_new_node(jit_code_arg_d);
454 node->v.w = ++_jitc->function->self.argn;
460 _jit_ellipsis(jit_state_t *_jit)
462 if (_jitc->prepare) {
463 assert(!(_jitc->function->call.call & jit_call_varargs));
464 _jitc->function->call.call |= jit_call_varargs;
466 if (_jitc->function->call.argf)
471 assert(!(_jitc->function->self.call & jit_call_varargs));
473 /* If varargs start in a register, allocate extra 64 bytes. */
474 if (jit_arg_reg_p(_jitc->function->self.argi))
476 /* Do not set during possible rewind. */
477 _jitc->function->self.call |= jit_call_varargs;
479 _jitc->function->self.call |= jit_call_varargs;
480 if (_jitc->function->self.argf)
483 _jitc->function->vagp = _jitc->function->self.argi;
485 jit_inc_synth(ellipsis);
494 _jit_va_push(jit_state_t *_jit, jit_int32_t u)
496 jit_inc_synth_w(va_push, u);
502 _jit_arg(jit_state_t *_jit)
504 assert(_jitc->function);
505 return (jit_make_arg((jit_node_t*)0));
509 _jit_arg_f(jit_state_t *_jit)
511 assert(_jitc->function);
512 return (jit_make_arg_f((jit_node_t*)0));
516 _jit_arg_d(jit_state_t *_jit)
518 assert(_jitc->function);
519 return (jit_make_arg_d((jit_node_t*)0));
523 _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
525 assert(v->code == jit_code_arg);
526 jit_inc_synth_wp(getarg_c, u, v);
527 if (jit_arg_reg_p(v->u.w))
528 jit_extr_c(u, _A0 - v->u.w);
530 jit_ldxi_c(u, _FP, v->u.w + C_DISP);
535 _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
537 assert(v->code == jit_code_arg);
538 jit_inc_synth_wp(getarg_uc, u, v);
539 if (jit_arg_reg_p(v->u.w))
540 jit_extr_uc(u, _A0 - v->u.w);
542 jit_ldxi_uc(u, _FP, v->u.w + C_DISP);
547 _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
549 assert(v->code == jit_code_arg);
550 jit_inc_synth_wp(getarg_s, u, v);
551 if (jit_arg_reg_p(v->u.w))
552 jit_extr_s(u, _A0 - v->u.w);
554 jit_ldxi_s(u, _FP, v->u.w + S_DISP);
559 _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
561 assert(v->code == jit_code_arg);
562 jit_inc_synth_wp(getarg_us, u, v);
563 if (jit_arg_reg_p(v->u.w))
564 jit_extr_us(u, _A0 - v->u.w);
566 jit_ldxi_us(u, _FP, v->u.w + S_DISP);
571 _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
573 assert(v->code == jit_code_arg);
574 jit_inc_synth_wp(getarg_i, u, v);
575 if (jit_arg_reg_p(v->u.w)) {
577 jit_extr_i(u, _A0 - v->u.w);
579 jit_movr(u, _A0 - v->u.w);
583 jit_ldxi_i(u, _FP, v->u.w + I_DISP);
589 _jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
591 assert(v->code == jit_code_arg);
592 jit_inc_synth_wp(getarg_ui, u, v);
593 if (jit_arg_reg_p(v->u.w))
594 jit_extr_ui(u, _A0 - v->u.w);
596 jit_ldxi_ui(u, _FP, v->u.w + I_DISP);
601 _jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
603 assert(v->code == jit_code_arg);
604 jit_inc_synth_wp(getarg_l, u, v);
605 if (jit_arg_reg_p(v->u.w))
606 jit_movr(u, _A0 - v->u.w);
608 jit_ldxi_l(u, _FP, v->u.w);
614 _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
616 jit_inc_synth_wp(putargr, u, v);
617 assert(v->code == jit_code_arg);
618 if (jit_arg_reg_p(v->u.w))
619 jit_movr(_A0 - v->u.w, u);
621 jit_stxi(v->u.w + WORD_ADJUST, _FP, u);
626 _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v)
629 assert(v->code == jit_code_arg);
630 jit_inc_synth_wp(putargi, u, v);
631 if (jit_arg_reg_p(v->u.w))
632 jit_movi(_A0 - v->u.w, u);
634 regno = jit_get_reg(jit_class_gpr);
636 jit_stxi(v->u.w + WORD_ADJUST, _FP, regno);
637 jit_unget_reg(regno);
643 _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
645 assert(v->code == jit_code_arg_f);
646 jit_inc_synth_wp(getarg_f, u, v);
648 if (jit_arg_reg_p(v->u.w))
649 jit_movr_f(u, _F12 - v->u.w);
650 else if (jit_arg_reg_p(v->u.w - 8))
651 jit_movr_w_f(u, _A0 - v->u.w - 8);
654 jit_movr_w_f(u, _A0 - v->u.w);
656 jit_movr_f(u, _F12 - ((v->u.w - 4) >> 1));
659 jit_ldxi_f(u, _FP, v->u.w);
664 _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
666 assert(v->code == jit_code_arg_f);
667 jit_inc_synth_wp(putargr_f, u, v);
669 if (jit_arg_reg_p(v->u.w))
670 jit_movr_f(_F12 - v->u.w, u);
671 else if (jit_arg_reg_p(v->u.w - 8))
672 jit_movr_f_w(_A0 - v->u.w - 8, u);
675 jit_movr_f_w(_A0 - v->u.w, u);
677 jit_movr_f(_F12 - ((v->u.w - 4) >> 1), u);
680 jit_stxi_f(v->u.w, _FP, u);
685 _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v)
688 assert(v->code == jit_code_arg_f);
689 jit_inc_synth_fp(putargi_f, u, v);
691 if (jit_arg_reg_p(v->u.w))
692 jit_movi_f(_F12 - v->u.w, u);
693 else if (jit_arg_reg_p(v->u.w - 8)) {
694 regno = jit_get_reg(jit_class_fpr);
695 jit_movi_f(regno, u);
696 jit_movr_f_w(_A0 - v->u.w - 8, u);
697 jit_unget_reg(regno);
701 regno = jit_get_reg(jit_class_fpr);
702 jit_movi_f(regno, u);
703 jit_movr_f_w(_A0 - ((v->u.w - 4) >> 1), regno);
704 jit_unget_reg(regno);
707 jit_movi_f(_F12 - ((v->u.w - 4) >> 1), u);
710 regno = jit_get_reg(jit_class_fpr);
711 jit_movi_f(regno, u);
712 jit_stxi_f(v->u.w, _FP, regno);
713 jit_unget_reg(regno);
719 _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
721 assert(v->code == jit_code_arg_d);
722 jit_inc_synth_wp(getarg_d, u, v);
724 if (jit_arg_reg_p(v->u.w))
725 jit_movr_d(u, _F12 - v->u.w);
726 else if (jit_arg_reg_p(v->u.w - 8))
727 jit_movr_d_w(_A0 - v->u.w - 8, u);
730 jit_movr_ww_d(u, _A0 - v->u.w, _A0 - (v->u.w + 1));
732 jit_movr_d(u, _F12 - ((v->u.w - 4) >> 1));
735 jit_ldxi_d(u, _FP, v->u.w);
740 _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
742 assert(v->code == jit_code_arg_d);
743 jit_inc_synth_wp(putargr_d, u, v);
745 if (jit_arg_reg_p(v->u.w))
746 jit_movr_d(_F12 - v->u.w, u);
747 else if (jit_arg_reg_p(v->u.w - 8))
748 jit_movr_d_w(_A0 - v->u.w - 8, u);
751 jit_movr_d_ww(_A0 - v->u.w, _A0 - (v->u.w + 1), u);
753 jit_movr_d(_F12 - ((v->u.w - 4) >> 1), u);
756 jit_stxi_d(v->u.w, _FP, u);
761 _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v)
764 assert(v->code == jit_code_arg_d);
765 jit_inc_synth_dp(putargi_d, u, v);
767 if (jit_arg_reg_p(v->u.w))
768 jit_movi_d(_F12 - v->u.w, u);
769 else if (jit_arg_reg_p(v->u.w - 8)) {
770 regno = jit_get_reg(jit_class_fpr);
771 jit_movi_d(regno, u);
772 jit_movr_d_w(_A0 - v->u.w - 8, u);
773 jit_unget_reg(regno);
777 regno = jit_get_reg(jit_class_fpr);
778 jit_movi_d(regno, u);
779 jit_movr_d_ww(_A0 - v->u.w, _A0 - (v->u.w + 1), regno);
780 jit_unget_reg(regno);
783 jit_movi_d(_F12 - ((v->u.w - 4) >> 1), u);
786 regno = jit_get_reg(jit_class_fpr);
787 jit_movi_d(regno, u);
788 jit_stxi_d(v->u.w, _FP, regno);
789 jit_unget_reg(regno);
795 _jit_pushargr(jit_state_t *_jit, jit_int32_t u)
797 jit_inc_synth_w(pushargr, u);
800 assert(_jitc->function);
801 if (jit_arg_reg_p(_jitc->function->call.argi)) {
802 jit_movr(_A0 - _jitc->function->call.argi, u);
803 ++_jitc->function->call.argi;
806 jit_stxi(_jitc->function->call.size + WORD_ADJUST, JIT_SP, u);
807 _jitc->function->call.size += STACK_SLOT;
811 assert(_jitc->function);
812 offset = _jitc->function->call.size >> STACK_SHIFT;
813 _jitc->function->call.argi = 1;
814 if (jit_arg_reg_p(offset))
815 jit_movr(_A0 - offset, u);
817 jit_stxi(_jitc->function->call.size, JIT_SP, u);
818 _jitc->function->call.size += STACK_SLOT;
824 _jit_pushargi(jit_state_t *_jit, jit_word_t u)
830 assert(_jitc->function);
831 jit_inc_synth_w(pushargi, u);
834 if (jit_arg_reg_p(_jitc->function->call.argi)) {
835 jit_movi(_A0 - _jitc->function->call.argi, u);
836 ++_jitc->function->call.argi;
839 regno = jit_get_reg(jit_class_gpr);
841 jit_stxi(_jitc->function->call.size + WORD_ADJUST, JIT_SP, regno);
842 _jitc->function->call.size += STACK_SLOT;
843 jit_unget_reg(regno);
846 offset = _jitc->function->call.size >> STACK_SHIFT;
847 ++_jitc->function->call.argi;
848 if (jit_arg_reg_p(offset))
849 jit_movi(_A0 - offset, u);
851 regno = jit_get_reg(jit_class_gpr);
853 jit_stxi(_jitc->function->call.size, JIT_SP, regno);
854 jit_unget_reg(regno);
856 _jitc->function->call.size += STACK_SLOT;
862 _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u)
867 assert(_jitc->function);
868 jit_inc_synth_w(pushargr_f, u);
871 if (jit_arg_reg_p(_jitc->function->call.argi)) {
872 if (!(_jitc->function->call.call & jit_call_varargs))
873 jit_movr_f(_F12 - _jitc->function->call.argi, u);
875 jit_movr_f_w(_A0 - _jitc->function->call.argi, u);
876 ++_jitc->function->call.argi;
879 jit_stxi_f(_jitc->function->call.size, JIT_SP, u);
880 _jitc->function->call.size += STACK_SLOT;
883 offset = _jitc->function->call.size >> STACK_SHIFT;
884 if (offset < 2 && !_jitc->function->call.argi &&
885 !(_jitc->function->call.call & jit_call_varargs)) {
886 ++_jitc->function->call.argf;
887 jit_movr_f(_F12 - offset, u);
889 else if (offset < 4) {
890 ++_jitc->function->call.argi;
891 jit_movr_f_w(_A0 - offset, u);
894 jit_stxi_f(_jitc->function->call.size, JIT_SP, u);
895 _jitc->function->call.size += STACK_SLOT;
901 _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u)
907 assert(_jitc->function);
908 jit_inc_synth_f(pushargi_f, u);
911 if (jit_arg_reg_p(_jitc->function->call.argi)) {
912 if (!(_jitc->function->call.call & jit_call_varargs))
913 jit_movi_f(_F12 - _jitc->function->call.argi, u);
915 jit_movi_f_w(_A0 - _jitc->function->call.argi, u);
916 ++_jitc->function->call.argi;
919 regno = jit_get_reg(jit_class_fpr);
920 jit_movi_f(regno, u);
921 jit_stxi_f(_jitc->function->call.size, JIT_SP, regno);
922 _jitc->function->call.size += STACK_SLOT;
923 jit_unget_reg(regno);
926 offset = _jitc->function->call.size >> STACK_SHIFT;
927 if (offset < 2 && !_jitc->function->call.argi &&
928 !(_jitc->function->call.call & jit_call_varargs)) {
929 ++_jitc->function->call.argf;
930 jit_movi_f(_F12 - offset, u);
932 else if (offset < 4) {
933 ++_jitc->function->call.argi;
934 jit_movi_f_w(_A0 - offset, u);
937 regno = jit_get_reg(jit_class_fpr);
938 jit_movi_f(regno, u);
939 jit_stxi_f(_jitc->function->call.size, JIT_SP, regno);
940 jit_unget_reg(regno);
942 _jitc->function->call.size += STACK_SLOT;
948 _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u)
954 assert(_jitc->function);
955 jit_inc_synth_w(pushargr_d, u);
958 if (jit_arg_reg_p(_jitc->function->call.argi)) {
959 if (!(_jitc->function->call.call & jit_call_varargs))
960 jit_movr_d(_F12 - _jitc->function->call.argi, u);
962 jit_movr_d_w(_A0 - _jitc->function->call.argi, u);
963 ++_jitc->function->call.argi;
966 jit_stxi_d(_jitc->function->call.size, JIT_SP, u);
967 _jitc->function->call.size += STACK_SLOT;
970 adjust = !!_jitc->function->call.argi;
971 if (_jitc->function->call.size & 7) {
972 _jitc->function->call.size += 4;
975 offset = _jitc->function->call.size >> STACK_SHIFT;
977 if (adjust || (_jitc->function->call.call & jit_call_varargs)) {
978 jit_movr_d_ww(_A0 - offset, _A0 - (offset + 1), u);
979 _jitc->function->call.argi += 2;
982 jit_movr_d(_F12 - (offset >> 1), u);
983 ++_jitc->function->call.argf;
987 jit_stxi_d(_jitc->function->call.size, JIT_SP, u);
988 _jitc->function->call.size += sizeof(jit_float64_t);
994 _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u)
1001 assert(_jitc->function);
1002 jit_inc_synth_d(pushargi_d, u);
1005 if (jit_arg_reg_p(_jitc->function->call.argi)) {
1006 if (!(_jitc->function->call.call & jit_call_varargs))
1007 jit_movi_d(_F12 - _jitc->function->call.argi, u);
1009 jit_movi_d_w(_A0 - _jitc->function->call.argi, u);
1010 ++_jitc->function->call.argi;
1013 regno = jit_get_reg(jit_class_fpr);
1014 jit_movi_d(regno, u);
1015 jit_stxi_d(_jitc->function->call.size, JIT_SP, regno);
1016 _jitc->function->call.size += STACK_SLOT;
1017 jit_unget_reg(regno);
1020 adjust = !!_jitc->function->call.argi;
1021 if (_jitc->function->call.size & 7) {
1022 _jitc->function->call.size += 4;
1025 offset = _jitc->function->call.size >> STACK_SHIFT;
1027 if (adjust || (_jitc->function->call.call & jit_call_varargs)) {
1028 jit_movi_d_ww(_A0 - offset, _A0 - (offset + 1), u);
1029 _jitc->function->call.argi += 2;
1032 jit_movi_d(_F12 - (offset >> 1), u);
1033 ++_jitc->function->call.argf;
1037 regno = jit_get_reg(jit_class_fpr);
1038 jit_movi_d(regno, u);
1039 jit_stxi_d(_jitc->function->call.size, JIT_SP, regno);
1040 jit_unget_reg(regno);
1042 _jitc->function->call.size += sizeof(jit_float64_t);
1048 _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno)
1052 spec = jit_class(_rvs[regno].spec);
1053 if (spec & jit_class_arg) {
1054 if (spec & jit_class_gpr) {
1055 regno = _A0 - regno;
1056 if (regno >= 0 && regno < node->v.w)
1059 else if (spec & jit_class_fpr) {
1060 regno = _F12 - regno;
1061 if (regno >= 0 && regno < node->w.w)
1070 _jit_finishr(jit_state_t *_jit, jit_int32_t r0)
1073 assert(_jitc->function);
1074 jit_inc_synth_w(finishr, r0);
1075 if (_jitc->function->self.alen < _jitc->function->call.size)
1076 _jitc->function->self.alen = _jitc->function->call.size;
1077 call = jit_callr(r0);
1078 call->v.w = _jitc->function->self.argi;
1080 call->w.w = call->v.w;
1082 call->w.w = _jitc->function->self.argf;
1084 _jitc->function->call.argi = _jitc->function->call.argf =
1085 _jitc->function->call.size = 0;
1091 _jit_finishi(jit_state_t *_jit, jit_pointer_t i0)
1095 assert(_jitc->function);
1096 jit_inc_synth_w(finishi, (jit_word_t)i0);
1097 if (_jitc->function->self.alen < _jitc->function->call.size)
1098 _jitc->function->self.alen = _jitc->function->call.size;
1099 node = jit_movi(_T9, (jit_word_t)i0);
1100 call = jit_callr(_T9);
1101 call->v.w = _jitc->function->call.argi;
1103 call->w.w = call->v.w;
1105 call->w.w = _jitc->function->call.argf;
1107 _jitc->function->call.argi = _jitc->function->call.argf =
1108 _jitc->function->call.size = 0;
1115 _jit_retval_c(jit_state_t *_jit, jit_int32_t r0)
1117 jit_extr_c(r0, JIT_RET);
1121 _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0)
1123 jit_extr_uc(r0, JIT_RET);
1127 _jit_retval_s(jit_state_t *_jit, jit_int32_t r0)
1129 jit_extr_s(r0, JIT_RET);
1133 _jit_retval_us(jit_state_t *_jit, jit_int32_t r0)
1135 jit_extr_us(r0, JIT_RET);
1139 _jit_retval_i(jit_state_t *_jit, jit_int32_t r0)
1141 #if __WORDSIZE == 32
1143 jit_movr(r0, JIT_RET);
1145 jit_extr_i(r0, JIT_RET);
1149 #if __WORDSIZE == 64
1151 _jit_retval_ui(jit_state_t *_jit, jit_int32_t r0)
1153 jit_extr_ui(r0, JIT_RET);
1157 _jit_retval_l(jit_state_t *_jit, jit_int32_t r0)
1160 jit_movr(r0, JIT_RET);
1165 _jit_retval_f(jit_state_t *_jit, jit_int32_t r0)
1168 jit_movr_f(r0, JIT_FRET);
1172 _jit_retval_d(jit_state_t *_jit, jit_int32_t r0)
1175 jit_movr_d(r0, JIT_FRET);
1179 _emit_code(jit_state_t *_jit)
1189 #if DEVEL_DISASSEMBLER
1192 jit_int32_t patch_offset;
1194 #if DEVEL_DISASSEMBLER
1198 _jitc->function = NULL;
1200 jit_reglive_setup();
1204 undo.patch_offset = 0;
1205 #define case_rr(name, type) \
1206 case jit_code_##name##r##type: \
1207 name##r##type(rn(node->u.w), rn(node->v.w)); \
1209 #define case_rw(name, type) \
1210 case jit_code_##name##i##type: \
1211 name##i##type(rn(node->u.w), node->v.w); \
1213 #define case_wr(name, type) \
1214 case jit_code_##name##i##type: \
1215 name##i##type(node->u.w, rn(node->v.w)); \
1217 #define case_rrr(name, type) \
1218 case jit_code_##name##r##type: \
1219 name##r##type(rn(node->u.w), \
1220 rn(node->v.w), rn(node->w.w)); \
1222 #define case_rrw(name, type) \
1223 case jit_code_##name##i##type: \
1224 name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \
1226 #define case_rrrr(name, type) \
1227 case jit_code_##name##r##type: \
1228 name##r##type(rn(node->u.q.l), rn(node->u.q.h), \
1229 rn(node->v.w), rn(node->w.w)); \
1231 #define case_rrrw(name, type) \
1232 case jit_code_##name##i##type: \
1233 name##i##type(rn(node->u.q.l), rn(node->u.q.h), \
1234 rn(node->v.w), node->w.w); \
1236 #define case_rrf(name, type, size) \
1237 case jit_code_##name##i##type: \
1238 assert(node->flag & jit_flag_data); \
1239 name##i##type(rn(node->u.w), rn(node->v.w), \
1240 (jit_float##size##_t *)node->w.n->u.w); \
1242 #define case_wrr(name, type) \
1243 case jit_code_##name##i##type: \
1244 name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \
1246 #define case_brr(name, type) \
1247 case jit_code_##name##r##type: \
1249 assert(temp->code == jit_code_label || \
1250 temp->code == jit_code_epilog); \
1251 if (temp->flag & jit_flag_patch) \
1252 name##r##type(temp->u.w, rn(node->v.w), \
1255 word = name##r##type(_jit->pc.w, \
1256 rn(node->v.w), rn(node->w.w)); \
1257 patch(word, node); \
1260 #define case_brw(name, type) \
1261 case jit_code_##name##i##type: \
1263 assert(temp->code == jit_code_label || \
1264 temp->code == jit_code_epilog); \
1265 if (temp->flag & jit_flag_patch) \
1266 name##i##type(temp->u.w, \
1267 rn(node->v.w), node->w.w); \
1269 word = name##i##type(_jit->pc.w, \
1270 rn(node->v.w), node->w.w); \
1271 patch(word, node); \
1274 #define case_brf(name, type, size) \
1275 case jit_code_##name##i##type: \
1277 assert(temp->code == jit_code_label || \
1278 temp->code == jit_code_epilog); \
1279 if (temp->flag & jit_flag_patch) \
1280 name##i##type(temp->u.w, rn(node->v.w), \
1281 (jit_float##size##_t *)node->w.n->u.w); \
1283 word = name##i##type(_jit->pc.w, rn(node->v.w), \
1284 (jit_float##size##_t *)node->w.n->u.w); \
1285 patch(word, node); \
1288 #if DEVEL_DISASSEMBLER
1291 for (node = _jitc->head; node; node = node->next) {
1292 if (_jit->pc.uc >= _jitc->code.end)
1295 #if DEVEL_DISASSEMBLER
1296 node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw;
1299 value = jit_classify(node->code);
1300 jit_regarg_set(node, value);
1301 switch (node->code) {
1302 case jit_code_align:
1303 assert(!(node->u.w & (node->u.w - 1)) &&
1304 node->u.w <= sizeof(jit_word_t));
1305 if (node->u.w == sizeof(jit_word_t) &&
1306 (word = _jit->pc.w & (sizeof(jit_word_t) - 1)))
1307 nop(sizeof(jit_word_t) - word);
1309 case jit_code_note: case jit_code_name:
1310 node->u.w = _jit->pc.w;
1312 case jit_code_label:
1313 /* remember label is defined */
1314 node->flag |= jit_flag_patch;
1315 node->u.w = _jit->pc.w;
1334 case_rrrr(qmul, _u);
1335 case_rrrw(qmul, _u);
1342 case_rrrr(qdiv, _u);
1343 case_rrrw(qdiv, _u);
1360 case_rr(trunc, _f_i);
1361 case_rr(trunc, _d_i);
1362 #if __WORDSIZE == 64
1363 case_rr(trunc, _f_l);
1364 case_rr(trunc, _d_l);
1376 #if __WORDSIZE == 64
1392 #if __WORDSIZE == 64
1404 #if __WORDSIZE == 64
1414 #if __WORDSIZE == 64
1420 #if __WORDSIZE == 64
1423 case_rr(bswap, _us);
1424 case_rr(bswap, _ui);
1425 #if __WORDSIZE == 64
1426 case_rr(bswap, _ul);
1432 #if __WORDSIZE == 64
1437 casr(rn(node->u.w), rn(node->v.w),
1438 rn(node->w.q.l), rn(node->w.q.h));
1441 casi(rn(node->u.w), node->v.w,
1442 rn(node->w.q.l), rn(node->w.q.h));
1448 if (node->flag & jit_flag_node) {
1450 if (temp->code == jit_code_data ||
1451 (temp->code == jit_code_label &&
1452 (temp->flag & jit_flag_patch)))
1453 movi(rn(node->u.w), temp->u.w);
1455 assert(temp->code == jit_code_label ||
1456 temp->code == jit_code_epilog);
1457 word = movi_p(rn(node->u.w), node->v.w);
1462 movi(rn(node->u.w), node->v.w);
1508 case_brr(boadd, _u);
1509 case_brw(boadd, _u);
1512 case_brr(bxadd, _u);
1513 case_brw(bxadd, _u);
1516 case_brr(bosub, _u);
1517 case_brw(bosub, _u);
1520 case_brr(bxsub, _u);
1521 case_brw(bxsub, _u);
1527 case_rrf(add, _f, 32);
1529 case_rrf(sub, _f, 32);
1530 case_rrf(rsb, _f, 32);
1532 case_rrf(mul, _f, 32);
1534 case_rrf(div, _f, 32);
1548 case jit_code_movi_f:
1549 assert(node->flag & jit_flag_data);
1550 movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w);
1554 case_rrf(lt, _f, 32);
1556 case_rrf(le, _f, 32);
1558 case_rrf(eq, _f, 32);
1560 case_rrf(ge, _f, 32);
1562 case_rrf(gt, _f, 32);
1564 case_rrf(ne, _f, 32);
1566 case_rrf(unlt, _f, 32);
1568 case_rrf(unle, _f, 32);
1570 case_rrf(uneq, _f, 32);
1572 case_rrf(unge, _f, 32);
1574 case_rrf(ungt, _f, 32);
1576 case_rrf(ltgt, _f, 32);
1578 case_rrf(ord, _f, 32);
1579 case_rrr(unord, _f);
1580 case_rrf(unord, _f, 32);
1582 case_brf(blt, _f, 32);
1584 case_brf(ble, _f, 32);
1586 case_brf(beq, _f, 32);
1588 case_brf(bge, _f, 32);
1590 case_brf(bgt, _f, 32);
1592 case_brf(bne, _f, 32);
1593 case_brr(bunlt, _f);
1594 case_brf(bunlt, _f, 32);
1595 case_brr(bunle, _f);
1596 case_brf(bunle, _f, 32);
1597 case_brr(buneq, _f);
1598 case_brf(buneq, _f, 32);
1599 case_brr(bunge, _f);
1600 case_brf(bunge, _f, 32);
1601 case_brr(bungt, _f);
1602 case_brf(bungt, _f, 32);
1603 case_brr(bltgt, _f);
1604 case_brf(bltgt, _f, 32);
1606 case_brf(bord, _f, 32);
1607 case_brr(bunord, _f);
1608 case_brf(bunord, _f, 32);
1610 case_rrf(add, _d, 64);
1612 case_rrf(sub, _d, 64);
1613 case_rrf(rsb, _d, 64);
1615 case_rrf(mul, _d, 64);
1617 case_rrf(div, _d, 64);
1631 case jit_code_movi_d:
1632 assert(node->flag & jit_flag_data);
1633 movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w);
1637 case_rrf(lt, _d, 64);
1639 case_rrf(le, _d, 64);
1641 case_rrf(eq, _d, 64);
1643 case_rrf(ge, _d, 64);
1645 case_rrf(gt, _d, 64);
1647 case_rrf(ne, _d, 64);
1649 case_rrf(unlt, _d, 64);
1651 case_rrf(unle, _d, 64);
1653 case_rrf(uneq, _d, 64);
1655 case_rrf(unge, _d, 64);
1657 case_rrf(ungt, _d, 64);
1659 case_rrf(ltgt, _d, 64);
1661 case_rrf(ord, _d, 64);
1662 case_rrr(unord, _d);
1663 case_rrf(unord, _d, 64);
1665 case_brf(blt, _d, 64);
1667 case_brf(ble, _d, 64);
1669 case_brf(beq, _d, 64);
1671 case_brf(bge, _d, 64);
1673 case_brf(bgt, _d, 64);
1675 case_brf(bne, _d, 64);
1676 case_brr(bunlt, _d);
1677 case_brf(bunlt, _d, 64);
1678 case_brr(bunle, _d);
1679 case_brf(bunle, _d, 64);
1680 case_brr(buneq, _d);
1681 case_brf(buneq, _d, 64);
1682 case_brr(bunge, _d);
1683 case_brf(bunge, _d, 64);
1684 case_brr(bungt, _d);
1685 case_brf(bungt, _d, 64);
1686 case_brr(bltgt, _d);
1687 case_brf(bltgt, _d, 64);
1689 case_brf(bord, _d, 64);
1690 case_brr(bunord, _d);
1691 case_brf(bunord, _d, 64);
1693 jmpr(rn(node->u.w));
1696 if (node->flag & jit_flag_node) {
1698 assert(temp->code == jit_code_label ||
1699 temp->code == jit_code_epilog);
1700 if (temp->flag & jit_flag_patch)
1703 word = jmpi(_jit->pc.w);
1710 case jit_code_callr:
1711 callr(rn(node->u.w));
1713 case jit_code_calli:
1714 if (node->flag & jit_flag_node) {
1716 assert(temp->code == jit_code_label ||
1717 temp->code == jit_code_epilog);
1718 word = calli_p(temp->u.w);
1719 if (!(temp->flag & jit_flag_patch))
1725 case jit_code_prolog:
1726 _jitc->function = _jitc->functions.ptr + node->w.w;
1728 undo.word = _jit->pc.w;
1729 #if DEVEL_DISASSEMBLER
1732 undo.patch_offset = _jitc->patches.offset;
1737 case jit_code_epilog:
1738 assert(_jitc->function == _jitc->functions.ptr + node->w.w);
1740 for (temp = undo.node->next;
1741 temp != node; temp = temp->next) {
1742 if (temp->code == jit_code_label ||
1743 temp->code == jit_code_epilog)
1744 temp->flag &= ~jit_flag_patch;
1746 temp->flag &= ~jit_flag_patch;
1748 _jit->pc.w = undo.word;
1749 #if DEVEL_DISASSEMBLER
1752 _jitc->patches.offset = undo.patch_offset;
1753 goto restart_function;
1755 /* remember label is defined */
1756 node->flag |= jit_flag_patch;
1757 node->u.w = _jit->pc.w;
1759 _jitc->function = NULL;
1762 case jit_code_movr_w_f:
1763 movr_w_f(rn(node->u.w), rn(node->v.w));
1766 case jit_code_movr_f_w:
1767 movr_f_w(rn(node->u.w), rn(node->v.w));
1769 case jit_code_movi_f_w:
1770 assert(node->flag & jit_flag_data);
1771 movi_f_w(rn(node->u.w), (jit_float32_t *)node->v.n->u.w);
1774 case jit_code_movr_d_w:
1775 movr_d_w(rn(node->u.w), rn(node->v.w));
1777 case jit_code_movi_d_w:
1778 assert(node->flag & jit_flag_data);
1779 movi_d_w(rn(node->u.w), (jit_float64_t *)node->v.n->u.w);
1782 case jit_code_movr_ww_d:
1783 movr_ww_d(rn(node->u.w), rn(node->v.w), rn(node->w.w));
1785 case jit_code_movr_d_ww:
1786 movr_d_ww(rn(node->u.w), rn(node->v.w), rn(node->w.w));
1788 case jit_code_movi_d_ww:
1789 assert(node->flag & jit_flag_data);
1790 movi_d_ww(rn(node->u.w), rn(node->v.w),
1791 (jit_float64_t *)node->w.n->u.w);
1794 case jit_code_va_start:
1795 vastart(rn(node->u.w));
1797 case jit_code_va_arg:
1798 vaarg(rn(node->u.w), rn(node->v.w));
1800 case jit_code_va_arg_d:
1801 vaarg_d(rn(node->u.w), rn(node->v.w));
1804 case jit_code_arg: case jit_code_ellipsis:
1805 case jit_code_va_push:
1806 case jit_code_allocai: case jit_code_allocar:
1807 case jit_code_arg_f: case jit_code_arg_d:
1808 case jit_code_va_end:
1810 case jit_code_retr: case jit_code_reti:
1811 case jit_code_retr_f: case jit_code_reti_f:
1812 case jit_code_retr_d: case jit_code_reti_d:
1813 case jit_code_getarg_c: case jit_code_getarg_uc:
1814 case jit_code_getarg_s: case jit_code_getarg_us:
1815 case jit_code_getarg_i:
1816 #if __WORDSIZE == 64
1817 case jit_code_getarg_ui: case jit_code_getarg_l:
1819 case jit_code_getarg_f: case jit_code_getarg_d:
1820 case jit_code_putargr: case jit_code_putargi:
1821 case jit_code_putargr_f: case jit_code_putargi_f:
1822 case jit_code_putargr_d: case jit_code_putargi_d:
1823 case jit_code_pushargr: case jit_code_pushargi:
1824 case jit_code_pushargr_f: case jit_code_pushargi_f:
1825 case jit_code_pushargr_d: case jit_code_pushargi_d:
1826 case jit_code_retval_c: case jit_code_retval_uc:
1827 case jit_code_retval_s: case jit_code_retval_us:
1828 case jit_code_retval_i:
1829 #if __WORDSIZE == 64
1830 case jit_code_retval_ui: case jit_code_retval_l:
1832 case jit_code_retval_f: case jit_code_retval_d:
1833 case jit_code_prepare:
1834 case jit_code_finishr: case jit_code_finishi:
1839 if (jit_carry != _NOREG) {
1840 switch (node->code) {
1842 case jit_code_addcr: case jit_code_addci:
1843 case jit_code_addxr: case jit_code_addxi:
1844 case jit_code_subcr: case jit_code_subci:
1845 case jit_code_subxr: case jit_code_subxi:
1848 jit_unget_reg(jit_carry);
1853 jit_regarg_clr(node, value);
1854 assert(_jitc->regarg == 0 ||
1855 (jit_carry != _NOREG && _jitc->regarg == (1 << jit_carry)));
1856 assert(_jitc->synth == 0);
1857 /* update register live state */
1871 for (offset = 0; offset < _jitc->patches.offset; offset++) {
1872 node = _jitc->patches.ptr[offset].node;
1873 word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w;
1874 patch_at(_jitc->patches.ptr[offset].inst, word);
1877 jit_flush(_jit->code.ptr, _jit->pc.uc);
1879 return (_jit->code.ptr);
1883 # include "jit_rewind.c"
1884 # include "jit_mips-cpu.c"
1885 # include "jit_mips-fpu.c"
1886 # include "jit_fallback.c"
1890 jit_flush(void *fptr, void *tptr)
1892 #if defined(__linux__)
1895 s = sysconf(_SC_PAGE_SIZE);
1896 f = (jit_word_t)fptr & -s;
1897 t = (((jit_word_t)tptr) + s - 1) & -s;
1898 _flush_cache((void *)f, t - f, ICACHE);
1903 _emit_ldxi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
1905 ldxi(rn(r0), rn(r1), i0);
1909 _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1)
1911 stxi(i0, rn(r0), rn(r1));
1915 _emit_ldxi_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
1917 ldxi_d(rn(r0), rn(r1), i0);
1921 _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1)
1923 stxi_d(i0, rn(r0), rn(r1));
1927 _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node)
1931 assert(node->flag & jit_flag_node);
1932 if (node->code == jit_code_movi)
1933 flag = node->v.n->flag;
1935 flag = node->u.n->flag;
1936 assert(!(flag & jit_flag_patch));
1937 if (_jitc->patches.offset >= _jitc->patches.length) {
1938 jit_realloc((jit_pointer_t *)&_jitc->patches.ptr,
1939 _jitc->patches.length * sizeof(jit_patch_t),
1940 (_jitc->patches.length + 1024) * sizeof(jit_patch_t));
1941 _jitc->patches.length += 1024;
1943 _jitc->patches.ptr[_jitc->patches.offset].inst = instr;
1944 _jitc->patches.ptr[_jitc->patches.offset].node = node;
1945 ++_jitc->patches.offset;