2 * Copyright (C) 2013-2022 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 #include <lightning.h>
21 #include <lightning/jit_private.h>
23 #define jit_arg_reg_p(i) ((i) >= 0 && (i) < 8)
24 #if __BYTE_ORDER == __LITTLE_ENDIAN
30 # define C_DISP 8 - sizeof(jit_int8_t)
31 # define S_DISP 8 - sizeof(jit_int16_t)
32 # define I_DISP 8 - sizeof(jit_int32_t)
33 # define F_DISP 8 - sizeof(jit_float32_t)
39 typedef jit_pointer_t jit_va_list_t;
44 #define patch(instr, node) _patch(_jit, instr, node)
45 static void _patch(jit_state_t*,jit_word_t,jit_node_t*);
49 extern void __clear_cache(void *, void *);
53 # include "jit_ia64-cpu.c"
54 # include "jit_ia64-fpu.c"
55 # include "jit_fallback.c"
61 jit_register_t _rvs[] = {
66 /* Used when a register cannot be allocated */
68 /* First scratch register */
70 /* Use r4 as lightning fp register */
72 /* Do not touch callee save registers not automatically spill/reloaded */
73 { rc(sav)|5, "r5" }, { rc(sav)|6, "r6" },
75 /* Do not touch return register for the sake of simplicity, besides
76 * having JIT_R0 being the same as JIT_RET usually an optimization */
78 /* Return registers, use as temporaries */
80 { rc(gpr)|10, "r10" }, { rc(gpr)|11, "r11" },
82 { rc(sav)|12, "r12" },
84 { rc(sav)|13, "r13" },
85 /* (Usually) assembly temporaries */
86 { rc(gpr)|31, "r31" }, { rc(gpr)|30, "r30" },
87 { rc(gpr)|29, "r29" }, { rc(gpr)|28, "r28" },
88 { rc(gpr)|27, "r27" }, { rc(gpr)|26, "r26" },
89 { rc(gpr)|25, "r25" }, { rc(gpr)|24, "r24" },
90 { rc(gpr)|23, "r23" }, { rc(gpr)|22, "r22" },
91 { rc(gpr)|21, "r21" }, { rc(gpr)|20, "r20" },
92 { rc(gpr)|19, "r19" }, { rc(gpr)|18, "r18" },
93 { rc(gpr)|17, "r17" }, { rc(gpr)|16, "r16" },
94 { rc(gpr)|15, "r15" }, { rc(gpr)|14, "r14" },
95 /* Do not allow allocating r32-r41 as temoraries for the sake of
96 * avoiding the need of extra complexity in the non backend code */
97 { rc(arg)|32, "r32" }, { rc(arg)|33, "r33" },
98 { rc(arg)|34, "r34" }, { rc(arg)|35, "r35" },
99 { rc(arg)|36, "r36" }, { rc(arg)|37, "r37" },
100 { rc(arg)|38, "r38" }, { rc(arg)|39, "r39" },
102 { rc(gpr)|rc(sav)|40, "r40" }, { rc(gpr)|rc(sav)|41, "r41" },
103 { rc(gpr)|rc(sav)|42, "r42" }, { rc(gpr)|rc(sav)|43, "r43" },
104 { rc(gpr)|rc(sav)|44, "r44" }, { rc(gpr)|rc(sav)|45, "r45" },
105 { rc(gpr)|rc(sav)|46, "r46" }, { rc(gpr)|rc(sav)|47, "r47" },
106 /* Temporaries/locals */
107 { rc(gpr)|rc(sav)|48, "r48" }, { rc(gpr)|rc(sav)|49, "r49" },
108 { rc(gpr)|rc(sav)|50, "r50" }, { rc(gpr)|rc(sav)|51, "r51" },
109 { rc(gpr)|rc(sav)|52, "r52" }, { rc(gpr)|rc(sav)|53, "r53" },
110 { rc(gpr)|rc(sav)|54, "r54" }, { rc(gpr)|rc(sav)|55, "r55" },
111 { rc(gpr)|rc(sav)|56, "r56" }, { rc(gpr)|rc(sav)|57, "r57" },
112 { rc(gpr)|rc(sav)|58, "r58" }, { rc(gpr)|rc(sav)|59, "r59" },
113 { rc(gpr)|rc(sav)|60, "r60" }, { rc(gpr)|rc(sav)|61, "r61" },
114 { rc(gpr)|rc(sav)|62, "r62" }, { rc(gpr)|rc(sav)|63, "r63" },
115 { rc(gpr)|rc(sav)|64, "r64" }, { rc(gpr)|rc(sav)|65, "r65" },
116 { rc(gpr)|rc(sav)|66, "r66" }, { rc(gpr)|rc(sav)|67, "r67" },
117 { rc(gpr)|rc(sav)|68, "r68" }, { rc(gpr)|rc(sav)|69, "r69" },
118 { rc(gpr)|rc(sav)|70, "r70" }, { rc(gpr)|rc(sav)|71, "r71" },
119 { rc(gpr)|rc(sav)|72, "r72" }, { rc(gpr)|rc(sav)|73, "r73" },
120 { rc(gpr)|rc(sav)|74, "r74" }, { rc(gpr)|rc(sav)|75, "r75" },
121 { rc(gpr)|rc(sav)|76, "r76" }, { rc(gpr)|rc(sav)|77, "r77" },
122 { rc(gpr)|rc(sav)|78, "r78" }, { rc(gpr)|rc(sav)|79, "r79" },
123 { rc(gpr)|rc(sav)|80, "r80" }, { rc(gpr)|rc(sav)|81, "r81" },
124 { rc(gpr)|rc(sav)|82, "r82" }, { rc(gpr)|rc(sav)|83, "r83" },
125 { rc(gpr)|rc(sav)|84, "r84" }, { rc(gpr)|rc(sav)|85, "r85" },
126 { rc(gpr)|rc(sav)|86, "r86" }, { rc(gpr)|rc(sav)|87, "r87" },
127 { rc(gpr)|rc(sav)|88, "r88" }, { rc(gpr)|rc(sav)|89, "r89" },
128 { rc(gpr)|rc(sav)|90, "r90" }, { rc(gpr)|rc(sav)|91, "r91" },
129 { rc(gpr)|rc(sav)|92, "r92" }, { rc(gpr)|rc(sav)|93, "r93" },
130 { rc(gpr)|rc(sav)|94, "r94" }, { rc(gpr)|rc(sav)|95, "r95" },
131 { rc(gpr)|rc(sav)|96, "r96" }, { rc(gpr)|rc(sav)|97, "r97" },
132 { rc(gpr)|rc(sav)|98, "r98" }, { rc(gpr)|rc(sav)|99, "r99" },
133 { rc(gpr)|rc(sav)|100,"r100"}, { rc(gpr)|rc(sav)|101, "r101"},
134 { rc(gpr)|rc(sav)|102,"r102"}, { rc(gpr)|rc(sav)|103, "r103"},
135 { rc(gpr)|rc(sav)|104,"r104"}, { rc(gpr)|rc(sav)|105, "r105"},
136 { rc(gpr)|rc(sav)|106,"r106"}, { rc(gpr)|rc(sav)|107, "r107"},
137 { rc(gpr)|rc(sav)|108,"r108"}, { rc(gpr)|rc(sav)|109, "r109"},
138 { rc(gpr)|rc(sav)|110,"r110"}, { rc(gpr)|rc(sav)|111, "r111"},
139 { rc(gpr)|rc(sav)|112,"r112"}, { rc(gpr)|rc(sav)|113, "r113"},
140 { rc(gpr)|rc(sav)|114,"r114"},
141 /* Do not enable these because no matter what, want 13 free registers,
142 * 5 for prolog and epilog and 8 for outgoing arguments */
144 { 116, "r116"}, { 117, "r117"},
145 { 118, "r118"}, { 119, "r119"},
146 { 120, "r120"}, { 121, "r121"},
147 { 122, "r122"}, { 123, "r123"},
148 { 124, "r124"}, { 125, "r125"},
149 { 126, "r126"}, { 127, "r127"},
154 /* Do not touch callee save registers not automatically spill/reloaded */
155 { rc(sav)|2, "f2" }, { rc(sav)|3, "f3" },
156 { rc(sav)|4, "f4" }, { rc(sav)|5, "f5" },
158 { rc(fpr)|6, "f6" }, { rc(fpr)|7, "f7" },
159 /* Do not allocate for the sake of simplification */
161 /* Scratch - Argument/return registers */
163 { rc(arg)|10, "f10" }, { rc(arg)|11, "f11" },
164 { rc(arg)|12, "f12" }, { rc(arg)|13, "f13" },
165 { rc(arg)|14, "f14" }, { rc(arg)|15, "f15" },
166 /* Do not touch callee save registers not automatically spill/reloaded */
167 { rc(sav)|16, "f16" }, { rc(sav)|17, "f17" },
168 { rc(sav)|18, "f18" }, { rc(sav)|19, "f19" },
169 { rc(sav)|20, "f20" }, { rc(sav)|21, "f21" },
170 { rc(sav)|22, "f22" }, { rc(sav)|23, "f23" },
171 { rc(sav)|24, "f24" }, { rc(sav)|25, "f25" },
172 { rc(sav)|26, "f26" }, { rc(sav)|27, "f27" },
173 { rc(sav)|28, "f28" }, { rc(sav)|29, "f29" },
174 { rc(sav)|30, "f30" }, { rc(sav)|31, "f31" },
176 { rc(fpr)|32, "f32" }, { rc(fpr)|33, "f33" },
177 { rc(fpr)|34, "f34" }, { rc(fpr)|35, "f35" },
178 { rc(fpr)|36, "f36" }, { rc(fpr)|37, "f37" },
179 { rc(fpr)|38, "f38" }, { rc(fpr)|39, "f39" },
180 { rc(fpr)|40, "f40" }, { rc(fpr)|41, "f41" },
181 { rc(fpr)|42, "f42" }, { rc(fpr)|43, "f43" },
182 { rc(fpr)|44, "f44" }, { rc(fpr)|45, "f45" },
183 { rc(fpr)|46, "f46" }, { rc(fpr)|47, "f47" },
184 { rc(fpr)|48, "f48" }, { rc(fpr)|49, "f49" },
185 { rc(fpr)|50, "f50" }, { rc(fpr)|51, "f51" },
186 { rc(fpr)|52, "f52" }, { rc(fpr)|53, "f53" },
187 { rc(fpr)|54, "f54" }, { rc(fpr)|55, "f55" },
188 { rc(fpr)|56, "f56" }, { rc(fpr)|57, "f57" },
189 { rc(fpr)|58, "f58" }, { rc(fpr)|59, "f59" },
190 { rc(fpr)|60, "f60" }, { rc(fpr)|61, "f61" },
191 { rc(fpr)|62, "f62" }, { rc(fpr)|63, "f63" },
192 { rc(fpr)|64, "f64" }, { rc(fpr)|65, "f65" },
193 { rc(fpr)|66, "f66" }, { rc(fpr)|67, "f67" },
194 { rc(fpr)|68, "f68" }, { rc(fpr)|69, "f69" },
195 { rc(fpr)|70, "f70" }, { rc(fpr)|71, "f71" },
196 { rc(fpr)|72, "f72" }, { rc(fpr)|73, "f73" },
197 { rc(fpr)|74, "f74" }, { rc(fpr)|75, "f75" },
198 { rc(fpr)|76, "f76" }, { rc(fpr)|77, "f77" },
199 { rc(fpr)|78, "f78" }, { rc(fpr)|79, "f79" },
200 { rc(fpr)|80, "f80" }, { rc(fpr)|81, "f81" },
201 { rc(fpr)|82, "f82" }, { rc(fpr)|83, "f83" },
202 { rc(fpr)|84, "f84" }, { rc(fpr)|85, "f85" },
203 { rc(fpr)|86, "f86" }, { rc(fpr)|87, "f87" },
204 { rc(fpr)|88, "f88" }, { rc(fpr)|89, "f89" },
205 { rc(fpr)|90, "f90" }, { rc(fpr)|91, "f91" },
206 { rc(fpr)|92, "f92" }, { rc(fpr)|93, "f93" },
207 { rc(fpr)|94, "f94" }, { rc(fpr)|95, "f95" },
208 { rc(fpr)|96, "f96" }, { rc(fpr)|97, "f97" },
209 { rc(fpr)|98, "f98" }, { rc(fpr)|99, "f99" },
210 { rc(fpr)|100, "f100"}, { rc(fpr)|101, "f101"},
211 { rc(fpr)|102, "f102"}, { rc(fpr)|103, "f103"},
212 { rc(fpr)|104, "f104"}, { rc(fpr)|105, "f105"},
213 { rc(fpr)|106, "f106"}, { rc(fpr)|107, "f107"},
214 { rc(fpr)|108, "f108"}, { rc(fpr)|109, "f109"},
215 { rc(fpr)|110, "f110"}, { rc(fpr)|111, "f111"},
216 { rc(fpr)|112, "f112"}, { rc(fpr)|113, "f113"},
217 { rc(fpr)|114, "f114"}, { rc(fpr)|115, "f115"},
218 { rc(fpr)|116, "f116"}, { rc(fpr)|117, "f117"},
219 { rc(fpr)|118, "f118"}, { rc(fpr)|119, "f119"},
221 /* commented to fit a jit_regset_t in 256 bits, so that the fake
222 * O0-O7 registers are easily patched when an argument is pushed */
223 { rc(fpr)|120, "f120"}, { rc(fpr)|121, "f121"},
224 { rc(fpr)|122, "f122"}, { rc(fpr)|123, "f123"},
225 { rc(fpr)|124, "f124"}, { rc(fpr)|125, "f125"},
226 { rc(fpr)|126, "f126"}, { rc(fpr)|127, "f127"},
228 /* Fake registers to patch in movr and movi arguments */
229 { rc(arg)|120, "o0" }, { rc(arg)|121, "o1" },
230 { rc(arg)|122, "o2" }, { rc(arg)|123, "o3" },
231 { rc(arg)|124, "o4" }, { rc(arg)|125, "o5" },
232 { rc(arg)|126, "o6" }, { rc(arg)|127, "o7" },
233 { _NOREG, "<none>" },
245 _jit_init(jit_state_t *_jit)
247 _jitc->reglen = jit_size(_rvs) - 1;
248 jit_regset_new(&_jitc->regs);
253 _jit_prolog(jit_state_t *_jit)
259 assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0);
260 jit_regset_set_ui(&_jitc->regsav, 0);
261 offset = _jitc->functions.offset;
262 if (offset >= _jitc->functions.length) {
263 jit_realloc((jit_pointer_t *)&_jitc->functions.ptr,
264 _jitc->functions.length * sizeof(jit_function_t),
265 (_jitc->functions.length + 16) * sizeof(jit_function_t));
266 _jitc->functions.length += 16;
268 _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++;
269 /* params_offset << 1, once for ours arguments, once for arguments
270 * to any called function; required because offsets are computed
271 * as JIT_FP displacement */
272 _jitc->function->self.size = stack_framesize + (params_offset << 1);
273 _jitc->function->self.argi = _jitc->function->self.argf =
274 _jitc->function->self.aoff = _jitc->function->self.alen = 0;
275 _jitc->function->self.call = jit_call_default;
276 jit_alloc((jit_pointer_t *)&_jitc->function->regoff,
277 _jitc->reglen * sizeof(jit_int32_t));
279 /* _no_link here does not mean the jit_link() call can be removed
281 * _jitc->function->prolog = jit_new_node(jit_code_prolog);
283 _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog);
284 jit_link(_jitc->function->prolog);
285 _jitc->function->prolog->w.w = offset;
286 _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog);
288 * v: offset in blocks vector
289 * w: offset in functions vector
291 _jitc->function->epilog->w.w = offset;
293 jit_regset_new(&_jitc->function->regset);
297 _jit_allocai(jit_state_t *_jit, jit_int32_t length)
299 assert(_jitc->function);
301 case 0: case 1: break;
302 case 2: _jitc->function->self.aoff &= -2; break;
303 case 3: case 4: _jitc->function->self.aoff &= -4; break;
304 default: _jitc->function->self.aoff &= -8; break;
306 _jitc->function->self.aoff -= length;
307 if (!_jitc->realize) {
308 jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length);
311 return (_jitc->function->self.aoff);
315 _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v)
318 assert(_jitc->function);
319 jit_inc_synth_ww(allocar, u, v);
320 if (!_jitc->function->allocar) {
321 _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t));
322 _jitc->function->allocar = 1;
324 reg = jit_get_reg(jit_class_gpr);
326 jit_andi(reg, reg, -16);
327 jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff);
329 jit_addr(JIT_SP, JIT_SP, reg);
330 jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u);
336 _jit_ret(jit_state_t *_jit)
339 assert(_jitc->function);
343 jit_patch_at(instr, _jitc->function->epilog);
348 _jit_retr(jit_state_t *_jit, jit_int32_t u)
350 jit_inc_synth_w(retr, u);
351 jit_movr(JIT_RET, u);
357 _jit_reti(jit_state_t *_jit, jit_word_t u)
359 jit_inc_synth_w(reti, u);
360 jit_movi(JIT_RET, u);
366 _jit_retr_f(jit_state_t *_jit, jit_int32_t u)
368 jit_inc_synth_w(retr_f, u);
369 jit_movr_f(JIT_FRET, u);
375 _jit_reti_f(jit_state_t *_jit, jit_float32_t u)
377 jit_inc_synth_f(reti_f, u);
378 jit_movi_f(JIT_FRET, u);
384 _jit_retr_d(jit_state_t *_jit, jit_int32_t u)
386 jit_inc_synth_w(retr_d, u);
387 jit_movr_d(JIT_FRET, u);
393 _jit_reti_d(jit_state_t *_jit, jit_float64_t u)
395 jit_inc_synth_d(reti_d, u);
396 jit_movi_d(JIT_FRET, u);
402 _jit_epilog(jit_state_t *_jit)
404 assert(_jitc->function);
405 assert(_jitc->function->epilog->next == NULL);
406 jit_link(_jitc->function->epilog);
407 _jitc->function = NULL;
411 _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u)
413 assert(u->code == jit_code_arg ||
414 u->code == jit_code_arg_f || u->code == jit_code_arg_d);
415 return (jit_arg_reg_p(u->u.w));
419 _jit_ellipsis(jit_state_t *_jit)
421 jit_inc_synth(ellipsis);
422 if (_jitc->prepare) {
423 assert(!(_jitc->function->call.call & jit_call_varargs));
424 _jitc->function->call.call |= jit_call_varargs;
428 assert(!(_jitc->function->self.call & jit_call_varargs));
429 _jitc->function->self.call |= jit_call_varargs;
430 _jitc->function->vagp = _jitc->function->self.argi;
437 _jit_va_push(jit_state_t *_jit, jit_int32_t u)
439 jit_inc_synth_w(va_push, u);
445 _jit_arg(jit_state_t *_jit)
449 assert(_jitc->function);
450 if (jit_arg_reg_p(_jitc->function->self.argi))
451 offset = _jitc->function->self.argi++;
453 offset = _jitc->function->self.size;
454 _jitc->function->self.size += sizeof(jit_word_t);
456 node = jit_new_node_ww(jit_code_arg, offset,
457 ++_jitc->function->self.argn);
463 _jit_arg_f(jit_state_t *_jit)
467 assert(_jitc->function);
468 if (jit_arg_reg_p(_jitc->function->self.argi)) {
469 if (!(_jitc->function->self.call & jit_call_varargs))
470 offset = 8 + _jitc->function->self.argf++;
472 offset = _jitc->function->self.argi;
473 ++_jitc->function->self.argi;
476 offset = _jitc->function->self.size;
477 _jitc->function->self.size += sizeof(jit_word_t);
479 node = jit_new_node_ww(jit_code_arg_f, offset,
480 ++_jitc->function->self.argn);
486 _jit_arg_d(jit_state_t *_jit)
490 assert(_jitc->function);
491 if (jit_arg_reg_p(_jitc->function->self.argi)) {
492 if (!(_jitc->function->self.call & jit_call_varargs))
493 offset = 8 + _jitc->function->self.argf++;
495 offset = _jitc->function->self.argi;
496 ++_jitc->function->self.argi;
499 offset = _jitc->function->self.size;
500 _jitc->function->self.size += sizeof(jit_float64_t);
502 node = jit_new_node_ww(jit_code_arg_d, offset,
503 ++_jitc->function->self.argn);
509 _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
511 assert(v->code == jit_code_arg);
512 jit_inc_synth_wp(getarg_c, u, v);
513 if (jit_arg_reg_p(v->u.w))
514 jit_extr_c(u, _R32 + v->u.w);
516 jit_ldxi_c(u, JIT_FP, v->u.w + C_DISP);
521 _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
523 assert(v->code == jit_code_arg);
524 jit_inc_synth_wp(getarg_uc, u, v);
525 if (jit_arg_reg_p(v->u.w))
526 jit_extr_uc(u, _R32 + v->u.w);
528 jit_ldxi_uc(u, JIT_FP, v->u.w + C_DISP);
533 _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
535 assert(v->code == jit_code_arg);
536 jit_inc_synth_wp(getarg_s, u, v);
537 if (jit_arg_reg_p(v->u.w))
538 jit_extr_s(u, _R32 + v->u.w);
540 jit_ldxi_s(u, JIT_FP, v->u.w + S_DISP);
545 _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
547 assert(v->code == jit_code_arg);
548 jit_inc_synth_wp(getarg_us, u, v);
549 if (jit_arg_reg_p(v->u.w))
550 jit_extr_us(u, _R32 + v->u.w);
552 jit_ldxi_us(u, JIT_FP, v->u.w + S_DISP);
557 _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
559 assert(v->code == jit_code_arg);
560 jit_inc_synth_wp(getarg_i, u, v);
561 if (jit_arg_reg_p(v->u.w))
562 jit_extr_i(u, _R32 + v->u.w);
564 jit_ldxi_i(u, JIT_FP, v->u.w + I_DISP);
569 _jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
571 assert(v->code == jit_code_arg);
572 jit_inc_synth_wp(getarg_ui, u, v);
573 if (jit_arg_reg_p(v->u.w))
574 jit_extr_ui(u, _R32 + v->u.w);
576 jit_ldxi_ui(u, JIT_FP, v->u.w + I_DISP);
581 _jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
583 assert(v->code == jit_code_arg);
584 jit_inc_synth_wp(getarg_l, u, v);
585 if (jit_arg_reg_p(v->u.w))
586 jit_movr(u, _R32 + v->u.w);
588 jit_ldxi(u, JIT_FP, v->u.w);
593 _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
595 assert(v->code == jit_code_arg);
596 jit_inc_synth_wp(putargr, u, v);
597 if (jit_arg_reg_p(v->u.w))
598 jit_movr(_R32 + v->u.w, u);
600 jit_stxi(v->u.w, JIT_FP, u);
605 _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v)
608 assert(v->code == jit_code_arg);
609 jit_inc_synth_wp(putargi, u, v);
610 if (jit_arg_reg_p(v->u.w))
611 jit_movi(_R32 + v->u.w, u);
613 regno = jit_get_reg(jit_class_gpr);
615 jit_stxi(v->u.w, JIT_FP, regno);
616 jit_unget_reg(regno);
622 _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
624 assert(v->code == jit_code_arg_f);
625 jit_inc_synth_wp(getarg_f, u, v);
626 if (jit_arg_reg_p(v->u.w))
627 jit_movr_w_f(u, _OUT0 + v->u.w);
628 else if (jit_arg_reg_p(v->u.w - 8))
629 jit_movr_f(u, _F8 + (v->u.w - 8));
631 jit_ldxi_f(u, JIT_FP, v->u.w + F_DISP);
636 _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
638 assert(v->code == jit_code_arg_f);
639 jit_inc_synth_wp(putargr_f, u, v);
640 if (jit_arg_reg_p(v->u.w))
641 jit_movr_f_w(_OUT0 + v->u.w, u);
642 else if (jit_arg_reg_p(v->u.w - 8))
643 jit_movr_f(_F8 + (v->u.w - 8), u);
645 jit_stxi_f(v->u.w, JIT_FP, u + F_DISP);
650 _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v)
653 assert(v->code == jit_code_arg_f);
654 jit_inc_synth_fp(putargi_f, u, v);
655 if (jit_arg_reg_p(v->u.w))
656 jit_movi_f_w(_OUT0 + v->u.w, u);
657 else if (jit_arg_reg_p(v->u.w - 8))
658 jit_movi_f(_F8 + (v->u.w - 8), u);
660 regno = jit_get_reg(jit_class_fpr);
661 jit_movi_f(regno, u);
662 jit_stxi_f(v->u.w, JIT_FP, regno + F_DISP);
663 jit_unget_reg(regno);
669 _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
671 assert(v->code == jit_code_arg_d);
672 jit_inc_synth_wp(getarg_d, u, v);
673 if (jit_arg_reg_p(v->u.w))
674 jit_movr_w_d(u, _OUT0 + v->u.w);
675 else if (jit_arg_reg_p(v->u.w - 8))
676 jit_movr_d(u, _F8 + (v->u.w - 8));
678 jit_ldxi_d(u, JIT_FP, v->u.w);
683 _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
685 assert(v->code == jit_code_arg_d);
686 jit_inc_synth_wp(putargr_d, u, v);
687 if (jit_arg_reg_p(v->u.w))
688 jit_movr_d_w(_OUT0 + v->u.w, u);
689 else if (jit_arg_reg_p(v->u.w - 8))
690 jit_movr_d(_F8 + (v->u.w - 8), u);
692 jit_stxi_d(v->u.w, JIT_FP, u);
697 _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v)
700 assert(v->code == jit_code_arg_d);
701 jit_inc_synth_dp(putargi_d, u, v);
702 if (jit_arg_reg_p(v->u.w))
703 jit_movi_d_w(_OUT0 + v->u.w, u);
704 else if (jit_arg_reg_p(v->u.w - 8))
705 jit_movi_d(_F8 + (v->u.w - 8), u);
707 regno = jit_get_reg(jit_class_fpr);
708 jit_movi_d(regno, u);
709 jit_stxi_d(v->u.w, JIT_FP, regno);
710 jit_unget_reg(regno);
716 _jit_pushargr(jit_state_t *_jit, jit_int32_t u)
718 assert(_jitc->function);
719 jit_inc_synth_w(pushargr, u);
721 if (jit_arg_reg_p(_jitc->function->call.argi)) {
722 jit_movr(_OUT0 + _jitc->function->call.argi, u);
723 ++_jitc->function->call.argi;
726 jit_stxi(_jitc->function->call.size + params_offset, JIT_SP, u);
727 _jitc->function->call.size += sizeof(jit_word_t);
733 _jit_pushargi(jit_state_t *_jit, jit_word_t u)
736 assert(_jitc->function);
737 jit_inc_synth_w(pushargi, u);
739 if (jit_arg_reg_p(_jitc->function->call.argi)) {
740 jit_movi(_OUT0 + _jitc->function->call.argi, u);
741 ++_jitc->function->call.argi;
744 regno = jit_get_reg(jit_class_gpr);
746 jit_stxi(_jitc->function->call.size + params_offset, JIT_SP, regno);
747 _jitc->function->call.size += sizeof(jit_word_t);
748 jit_unget_reg(regno);
754 _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u)
756 assert(_jitc->function);
757 jit_inc_synth_w(pushargr_f, u);
759 if (jit_arg_reg_p(_jitc->function->call.argi)) {
760 if (!(_jitc->function->call.call & jit_call_varargs)) {
761 jit_movr_f(_F8 + _jitc->function->call.argf, u);
762 ++_jitc->function->call.argf;
765 jit_movr_f_w(_OUT0 + _jitc->function->call.argi, u);
766 ++_jitc->function->call.argi;
769 jit_stxi_f(_jitc->function->call.size + params_offset + F_DISP,
771 _jitc->function->call.size += sizeof(jit_word_t);
777 _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u)
780 assert(_jitc->function);
781 jit_inc_synth_f(pushargi_f, u);
783 if (jit_arg_reg_p(_jitc->function->call.argi)) {
784 if (!(_jitc->function->call.call & jit_call_varargs)) {
785 jit_movi_f(_F8 + _jitc->function->call.argf, u);
786 ++_jitc->function->call.argf;
789 jit_movi_f_w(_OUT0 + _jitc->function->call.argi, u);
790 ++_jitc->function->call.argi;
793 regno = jit_get_reg(jit_class_fpr);
794 jit_movi_f(regno, u);
795 jit_stxi_f(_jitc->function->call.size + params_offset + F_DISP,
797 _jitc->function->call.size += sizeof(jit_word_t);
798 jit_unget_reg(regno);
804 _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u)
806 assert(_jitc->function);
807 jit_inc_synth_w(pushargr_d, u);
809 if (jit_arg_reg_p(_jitc->function->call.argi)) {
810 if (!(_jitc->function->call.call & jit_call_varargs)) {
811 jit_movr_d(_F8 + _jitc->function->call.argf, u);
812 ++_jitc->function->call.argf;
815 jit_movr_d_w(_OUT0 + _jitc->function->call.argi, u);
816 ++_jitc->function->call.argi;
819 jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, u);
820 _jitc->function->call.size += sizeof(jit_float64_t);
826 _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u)
829 assert(_jitc->function);
830 jit_inc_synth_d(pushargi_d, u);
832 if (jit_arg_reg_p(_jitc->function->call.argi)) {
833 if (!(_jitc->function->call.call & jit_call_varargs)) {
834 jit_movi_d(_F8 + _jitc->function->call.argf, u);
835 ++_jitc->function->call.argf;
838 jit_movi_d_w(_OUT0 + _jitc->function->call.argi, u);
839 ++_jitc->function->call.argi;
842 regno = jit_get_reg(jit_class_fpr);
843 jit_movi_d(regno, u);
844 jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, regno);
845 _jitc->function->call.size += sizeof(jit_float64_t);
846 jit_unget_reg(regno);
852 _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno)
854 /* Argument registers are allocated from the pool of unused registers */
859 _jit_finishr(jit_state_t *_jit, jit_int32_t r0)
862 assert(_jitc->function);
863 jit_inc_synth_w(finishr, r0);
864 if (_jitc->function->self.alen < _jitc->function->call.size)
865 _jitc->function->self.alen = _jitc->function->call.size;
866 call = jit_callr(r0);
867 call->v.w = _jitc->function->call.argi;
868 call->w.w = _jitc->function->call.argf;
869 _jitc->function->call.argi = _jitc->function->call.argf =
870 _jitc->function->call.size = 0;
876 _jit_finishi(jit_state_t *_jit, jit_pointer_t i0)
879 assert(_jitc->function);
880 jit_inc_synth_w(finishi, (jit_word_t)i0);
881 if (_jitc->function->self.alen < _jitc->function->call.size)
882 _jitc->function->self.alen = _jitc->function->call.size;
883 node = jit_calli(i0);
884 node->v.w = _jitc->function->call.argi;
885 node->w.w = _jitc->function->call.argf;
886 _jitc->function->call.argi = _jitc->function->call.argf =
887 _jitc->function->call.size = 0;
894 _jit_retval_c(jit_state_t *_jit, jit_int32_t r0)
896 jit_inc_synth_w(retval_c, r0);
897 jit_extr_c(r0, JIT_RET);
902 _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0)
904 jit_inc_synth_w(retval_uc, r0);
905 jit_extr_uc(r0, JIT_RET);
910 _jit_retval_s(jit_state_t *_jit, jit_int32_t r0)
912 jit_inc_synth_w(retval_s, r0);
913 jit_extr_s(r0, JIT_RET);
918 _jit_retval_us(jit_state_t *_jit, jit_int32_t r0)
920 jit_inc_synth_w(retval_us, r0);
921 jit_extr_us(r0, JIT_RET);
926 _jit_retval_i(jit_state_t *_jit, jit_int32_t r0)
928 jit_inc_synth_w(retval_i, r0);
929 jit_extr_i(r0, JIT_RET);
934 _jit_retval_ui(jit_state_t *_jit, jit_int32_t r0)
936 jit_inc_synth_w(retval_ui, r0);
937 jit_extr_ui(r0, JIT_RET);
942 _jit_retval_l(jit_state_t *_jit, jit_int32_t r0)
944 jit_inc_synth_w(retval_l, r0);
945 jit_movr(r0, JIT_RET);
950 _jit_retval_f(jit_state_t *_jit, jit_int32_t r0)
952 jit_inc_synth_w(retval_l, r0);
953 jit_movr_f(r0, JIT_FRET);
958 _jit_retval_d(jit_state_t *_jit, jit_int32_t r0)
960 jit_inc_synth_w(retval_d, r0);
961 jit_movr_d(r0, JIT_FRET);
966 _emit_code(jit_state_t *_jit)
976 #if DEVEL_DISASSEMBLER
979 jit_int32_t patch_offset;
980 jit_word_t prolog_offset;
982 #if DEVEL_DISASSEMBLER
986 _jitc->function = NULL;
988 /* If did resize the code buffer, these were not reset */
990 jit_regset_set_ui(&_jitc->regs, 0);
997 undo.patch_offset = 0;
999 #if DEVEL_DISASSEMBLER
1002 undo.prolog_offset = 0;
1003 for (node = _jitc->head; node; node = node->next)
1004 if (node->code != jit_code_label &&
1005 node->code != jit_code_note &&
1006 node->code != jit_code_name)
1008 if (node && (node->code != jit_code_prolog ||
1009 !(_jitc->functions.ptr + node->w.w)->assume_frame)) {
1010 /* code may start with a jump so add an initial function descriptor */
1011 word = _jit->pc.w + 16;
1012 il(word); /* addr */
1015 #define case_rr(name, type) \
1016 case jit_code_##name##r##type: \
1017 name##r##type(rn(node->u.w), rn(node->v.w)); \
1019 #define case_rw(name, type) \
1020 case jit_code_##name##i##type: \
1021 name##i##type(rn(node->u.w), node->v.w); \
1023 #define case_wr(name, type) \
1024 case jit_code_##name##i##type: \
1025 name##i##type(node->u.w, rn(node->v.w)); \
1027 #define case_rrr(name, type) \
1028 case jit_code_##name##r##type: \
1029 name##r##type(rn(node->u.w), \
1030 rn(node->v.w), rn(node->w.w)); \
1032 #define case_rrrr(name, type) \
1033 case jit_code_##name##r##type: \
1034 name##r##type(rn(node->u.q.l), rn(node->u.q.h), \
1035 rn(node->v.w), rn(node->w.w)); \
1037 #define case_rrw(name, type) \
1038 case jit_code_##name##i##type: \
1039 name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \
1041 #define case_rrrw(name, type) \
1042 case jit_code_##name##i##type: \
1043 name##i##type(rn(node->u.q.l), rn(node->u.q.h), \
1044 rn(node->v.w), node->w.w); \
1046 #define case_rrf(name, type, size) \
1047 case jit_code_##name##i##type: \
1048 assert(node->flag & jit_flag_data); \
1049 name##i##type(rn(node->u.w), rn(node->v.w), \
1050 (jit_float##size##_t *)node->w.n->u.w); \
1052 #define case_wrr(name, type) \
1053 case jit_code_##name##i##type: \
1054 name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \
1056 #define case_brr(name, type) \
1057 case jit_code_##name##r##type: \
1059 assert(temp->code == jit_code_label || \
1060 temp->code == jit_code_epilog); \
1061 if (temp->flag & jit_flag_patch) \
1062 name##r##type(temp->u.w, rn(node->v.w), \
1065 word = name##r##type(_jit->pc.w, \
1066 rn(node->v.w), rn(node->w.w)); \
1067 patch(word, node); \
1070 #define case_brw(name, type) \
1071 case jit_code_##name##i##type: \
1073 assert(temp->code == jit_code_label || \
1074 temp->code == jit_code_epilog); \
1075 if (temp->flag & jit_flag_patch) \
1076 name##i##type(temp->u.w, \
1077 rn(node->v.w), node->w.w); \
1079 word = name##i##type(_jit->pc.w, \
1080 rn(node->v.w), node->w.w); \
1081 patch(word, node); \
1084 #define case_brf(name, type, size) \
1085 case jit_code_##name##i##type: \
1087 assert(temp->code == jit_code_label || \
1088 temp->code == jit_code_epilog); \
1089 if (temp->flag & jit_flag_patch) \
1090 name##i##type(temp->u.w, rn(node->v.w), \
1091 (jit_float##size##_t *)node->w.n->u.w); \
1093 word = name##i##type(_jit->pc.w, rn(node->v.w), \
1094 (jit_float##size##_t *)node->w.n->u.w); \
1095 patch(word, node); \
1098 for (node = _jitc->head; node; node = node->next) {
1099 if (_jit->pc.uc >= _jitc->code.end)
1102 value = jit_classify(node->code);
1106 #if DEVEL_DISASSEMBLER
1107 /* FIXME DEVEL_DISASSEMBLER should become DISASSEMBLER,
1108 * but a "real" DEVEL_DISASSEMBLER should be required
1109 * to turn the below "#if 0" into "#if 1" */
1110 # if 0 /* Since disassembly outputs 3 instructions at a time,
1111 * make it "#if 1" for more clear debug output. */
1114 node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw;
1117 jit_regarg_set(node, value);
1118 switch (node->code) {
1119 case jit_code_align:
1120 assert(!(node->u.w & (node->u.w - 1)));
1125 case jit_code_note: case jit_code_name:
1127 node->u.w = _jit->pc.w;
1129 case jit_code_label:
1131 /* remember label is defined */
1132 node->flag |= jit_flag_patch;
1133 node->u.w = _jit->pc.w;
1152 case_rrrr(qmul, _u);
1153 case_rrrw(qmul, _u);
1164 case_rrrr(qdiv, _u);
1165 case_rrrw(qdiv, _u);
1181 casr(rn(node->u.w), rn(node->v.w),
1182 rn(node->w.q.l), rn(node->w.q.h));
1185 casi(rn(node->u.w), node->v.w,
1186 rn(node->w.q.l), rn(node->w.q.h));
1192 if (node->flag & jit_flag_node) {
1194 if (temp->code == jit_code_data ||
1195 (temp->code == jit_code_label &&
1196 (temp->flag & jit_flag_patch)))
1197 movi(rn(node->u.w), temp->u.w);
1199 assert(temp->code == jit_code_label ||
1200 temp->code == jit_code_epilog);
1201 word = movi_p(rn(node->u.w), node->v.w);
1206 movi(rn(node->u.w), node->v.w);
1211 case_rr(bswap, _us);
1212 case_rr(bswap, _ui);
1213 case_rr(bswap, _ul);
1220 case_rr(trunc, _f_i);
1221 case_rr(trunc, _d_i);
1222 case_rr(trunc, _f_l);
1223 case_rr(trunc, _d_l);
1314 case_brr(boadd, _u);
1315 case_brw(boadd, _u);
1318 case_brr(bxadd, _u);
1319 case_brw(bxadd, _u);
1322 case_brr(bosub, _u);
1323 case_brw(bosub, _u);
1326 case_brr(bxsub, _u);
1327 case_brw(bxsub, _u);
1329 case_rrf(add, _f, 32);
1331 case_rrf(sub, _f, 32);
1332 case_rrf(rsb, _f, 32);
1334 case_rrf(mul, _f, 32);
1336 case_rrf(div, _f, 32);
1350 case jit_code_movi_f:
1351 assert(node->flag & jit_flag_data);
1352 movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w);
1356 case_rrf(lt, _f, 32);
1358 case_rrf(le, _f, 32);
1360 case_rrf(eq, _f, 32);
1362 case_rrf(ge, _f, 32);
1364 case_rrf(gt, _f, 32);
1366 case_rrf(ne, _f, 32);
1368 case_rrf(unlt, _f, 32);
1370 case_rrf(unle, _f, 32);
1372 case_rrf(uneq, _f, 32);
1374 case_rrf(unge, _f, 32);
1376 case_rrf(ungt, _f, 32);
1378 case_rrf(ltgt, _f, 32);
1380 case_rrf(ord, _f, 32);
1381 case_rrr(unord, _f);
1382 case_rrf(unord, _f, 32);
1384 case_brf(blt, _f, 32);
1386 case_brf(ble, _f, 32);
1388 case_brf(beq, _f, 32);
1390 case_brf(bge, _f, 32);
1392 case_brf(bgt, _f, 32);
1394 case_brf(bne, _f, 32);
1395 case_brr(bunlt, _f);
1396 case_brf(bunlt, _f, 32);
1397 case_brr(bunle, _f);
1398 case_brf(bunle, _f, 32);
1399 case_brr(buneq, _f);
1400 case_brf(buneq, _f, 32);
1401 case_brr(bunge, _f);
1402 case_brf(bunge, _f, 32);
1403 case_brr(bungt, _f);
1404 case_brf(bungt, _f, 32);
1405 case_brr(bltgt, _f);
1406 case_brf(bltgt, _f, 32);
1408 case_brf(bord, _f, 32);
1409 case_brr(bunord, _f);
1410 case_brf(bunord, _f, 32);
1412 case_rrf(add, _d, 64);
1414 case_rrf(sub, _d, 64);
1415 case_rrf(rsb, _d, 64);
1417 case_rrf(mul, _d, 64);
1419 case_rrf(div, _d, 64);
1433 case jit_code_movi_d:
1434 assert(node->flag & jit_flag_data);
1435 movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w);
1439 case_rrf(lt, _d, 64);
1441 case_rrf(le, _d, 64);
1443 case_rrf(eq, _d, 64);
1445 case_rrf(ge, _d, 64);
1447 case_rrf(gt, _d, 64);
1449 case_rrf(ne, _d, 64);
1451 case_rrf(unlt, _d, 64);
1453 case_rrf(unle, _d, 64);
1455 case_rrf(uneq, _d, 64);
1457 case_rrf(unge, _d, 64);
1459 case_rrf(ungt, _d, 64);
1461 case_rrf(ltgt, _d, 64);
1463 case_rrf(ord, _d, 64);
1464 case_rrr(unord, _d);
1465 case_rrf(unord, _d, 64);
1467 case_brf(blt, _d, 64);
1469 case_brf(ble, _d, 64);
1471 case_brf(beq, _d, 64);
1473 case_brf(bge, _d, 64);
1475 case_brf(bgt, _d, 64);
1477 case_brf(bne, _d, 64);
1478 case_brr(bunlt, _d);
1479 case_brf(bunlt, _d, 64);
1480 case_brr(bunle, _d);
1481 case_brf(bunle, _d, 64);
1482 case_brr(buneq, _d);
1483 case_brf(buneq, _d, 64);
1484 case_brr(bunge, _d);
1485 case_brf(bunge, _d, 64);
1486 case_brr(bungt, _d);
1487 case_brf(bungt, _d, 64);
1488 case_brr(bltgt, _d);
1489 case_brf(bltgt, _d, 64);
1491 case_brf(bord, _d, 64);
1492 case_brr(bunord, _d);
1493 case_brf(bunord, _d, 64);
1495 jmpr(rn(node->u.w));
1498 if (node->flag & jit_flag_node) {
1499 if (_jit->pc.uc == _jit->code.ptr + 16)
1502 assert(temp->code == jit_code_label ||
1503 temp->code == jit_code_epilog);
1504 if (temp->flag & jit_flag_patch)
1507 word = jmpi_p(_jit->pc.w);
1514 case jit_code_callr:
1515 callr(rn(node->u.w));
1517 case jit_code_calli:
1518 if (node->flag & jit_flag_node) {
1520 assert(temp->code == jit_code_label ||
1521 temp->code == jit_code_epilog);
1522 word = calli_p(temp->u.w);
1523 if (!(temp->flag & jit_flag_patch))
1529 case jit_code_prolog:
1530 jit_regset_set_ui(&_jitc->regs, 0);
1533 _jitc->function = _jitc->functions.ptr + node->w.w;
1535 undo.word = _jit->pc.w;
1536 #if DEVEL_DISASSEMBLER
1539 undo.patch_offset = _jitc->patches.offset;
1540 undo.prolog_offset = _jitc->prolog.offset;
1543 if (_jitc->jump && !_jitc->function->assume_frame) {
1544 /* remember prolog to hide offset adjustment for a jump
1545 * to the start of a function, what is expected to be
1546 * a common practice as first jit instruction */
1547 if (_jitc->prolog.offset >= _jitc->prolog.length) {
1548 _jitc->prolog.length += 16;
1549 jit_realloc((jit_pointer_t *)&_jitc->prolog.ptr,
1550 (_jitc->prolog.length - 16) *
1552 _jitc->prolog.length * sizeof(jit_word_t));
1554 _jitc->prolog.ptr[_jitc->prolog.offset++] = _jit->pc.w;
1555 /* function descriptor */
1556 word = _jit->pc.w + 16;
1557 il(word); /* addr */
1562 case jit_code_epilog:
1563 assert(_jitc->function == _jitc->functions.ptr + node->w.w);
1565 for (temp = undo.node->next;
1566 temp != node; temp = temp->next) {
1567 if (temp->code == jit_code_label ||
1568 temp->code == jit_code_epilog)
1569 temp->flag &= ~jit_flag_patch;
1571 temp->flag &= ~jit_flag_patch;
1573 _jit->pc.w = undo.word;
1574 #if DEVEL_DISASSEMBLER
1577 _jitc->patches.offset = undo.patch_offset;
1578 _jitc->prolog.offset = undo.prolog_offset;
1580 jit_regset_set_ui(&_jitc->regs, 0);
1582 goto restart_function;
1584 /* remember label is defined */
1586 node->flag |= jit_flag_patch;
1587 node->u.w = _jit->pc.w;
1589 jit_regset_set_ui(&_jitc->regs, 0);
1591 _jitc->function = NULL;
1593 case jit_code_va_start:
1594 vastart(rn(node->u.w));
1596 case jit_code_va_arg:
1597 vaarg(rn(node->u.w), rn(node->v.w));
1599 case jit_code_va_arg_d:
1600 vaarg_d(rn(node->u.w), rn(node->v.w));
1603 case jit_code_arg: case jit_code_ellipsis:
1604 case jit_code_va_push:
1605 case jit_code_allocai: case jit_code_allocar:
1606 case jit_code_arg_f: case jit_code_arg_d:
1607 case jit_code_va_end:
1609 case jit_code_retr: case jit_code_reti:
1610 case jit_code_retr_f: case jit_code_reti_f:
1611 case jit_code_retr_d: case jit_code_reti_d:
1612 case jit_code_getarg_c: case jit_code_getarg_uc:
1613 case jit_code_getarg_s: case jit_code_getarg_us:
1614 case jit_code_getarg_i: case jit_code_getarg_ui:
1615 case jit_code_getarg_l:
1616 case jit_code_getarg_f: case jit_code_getarg_d:
1617 case jit_code_putargr: case jit_code_putargi:
1618 case jit_code_putargr_f: case jit_code_putargi_f:
1619 case jit_code_putargr_d: case jit_code_putargi_d:
1620 case jit_code_pushargr: case jit_code_pushargi:
1621 case jit_code_pushargr_f: case jit_code_pushargi_f:
1622 case jit_code_pushargr_d: case jit_code_pushargi_d:
1623 case jit_code_retval_c: case jit_code_retval_uc:
1624 case jit_code_retval_s: case jit_code_retval_us:
1625 case jit_code_retval_i:
1626 case jit_code_retval_ui: case jit_code_retval_l:
1627 case jit_code_retval_f: case jit_code_retval_d:
1628 case jit_code_prepare:
1629 case jit_code_finishr: case jit_code_finishi:
1631 case jit_code_movr_w_f:
1632 movr_w_f(rn(node->u.w), rn(node->v.w));
1634 case jit_code_movr_f_w:
1635 movr_f_w(rn(node->u.w), rn(node->v.w));
1637 case jit_code_movr_w_d:
1638 movr_w_d(rn(node->u.w), rn(node->v.w));
1640 case jit_code_movr_d_w:
1641 movr_d_w(rn(node->u.w), rn(node->v.w));
1643 case jit_code_movi_f_w:
1644 movi_f_w(rn(node->u.w), node->v.n->u.p);
1646 case jit_code_movi_d_w:
1647 movi_d_w(rn(node->u.w), node->v.n->u.p);
1652 if (jit_carry != _NOREG) {
1653 switch (node->code) {
1655 case jit_code_addcr: case jit_code_addci:
1656 case jit_code_addxr: case jit_code_addxi:
1657 case jit_code_subcr: case jit_code_subci:
1658 case jit_code_subxr: case jit_code_subxi:
1661 jit_unget_reg(jit_carry);
1669 jit_regarg_clr(node, value);
1670 if (jit_regset_cmp_ui(&_jitc->regarg, 0) != 0) {
1671 assert(jit_regset_scan1(&_jitc->regarg, 0) == jit_carry);
1672 assert(jit_regset_scan1(&_jitc->regarg, jit_carry + 1) == ULONG_MAX);
1674 assert(_jitc->synth == 0);
1675 /* update register live state */
1692 for (offset = 0; offset < _jitc->patches.offset; offset++) {
1693 node = _jitc->patches.ptr[offset].node;
1694 word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w;
1695 patch_at(node->code, _jitc->patches.ptr[offset].inst, word);
1698 jit_flush(_jit->code.ptr, _jit->pc.uc);
1700 return (_jit->code.ptr);
1704 # include "jit_ia64-cpu.c"
1705 # include "jit_ia64-fpu.c"
1706 # include "jit_fallback.c"
1710 jit_flush(void *fptr, void *tptr)
1712 #if defined(__GNUC__)
1715 s = sysconf(_SC_PAGE_SIZE);
1716 f = (jit_word_t)fptr & -s;
1717 t = (((jit_word_t)tptr) + s - 1) & -s;
1719 __clear_cache((void *)f, (void *)t);
1721 /* __clear_cache is a noop in (old?) gcc, but cache flush is
1722 * required on a multi processor Linux system. */
1723 for (s = f; s < t; s += 32)
1724 asm volatile("fc %0" :: "r"(s) : "memory");
1729 /* Use r2 that is reserved to not require a jit_get_reg call, also note
1730 * that addil needs a register that first in 2 bits, so, if using a
1731 * register other than r2 must be less than r8 (or check for a smaller
1732 * immediate, i.e. i0 >= -8192 && i0 <= 8191) */
1734 _emit_ldxi(jit_state_t *_jit, jit_gpr_t r0, jit_gpr_t r1, jit_word_t i0)
1736 assert(i0 >= -2097152 && i0 < 2097151);
1737 addi(GR_2, rn(r1), i0);
1742 _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_gpr_t r1)
1744 assert(i0 >= -2097152 && i0 < 2097151);
1745 addi(GR_2, rn(r0), i0);
1750 _emit_ldxi_d(jit_state_t *_jit, jit_fpr_t r0, jit_gpr_t r1, jit_word_t i0)
1752 assert(i0 >= -2097152 && i0 < 2097151);
1753 addi(GR_2, rn(r1), i0);
1754 ldr_d(rn(r0), GR_2);
1758 _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_fpr_t r1)
1760 assert(i0 >= -2097152 && i0 < 2097151);
1761 addi(GR_2, rn(r0), i0);
1762 str_d(GR_2, rn(r1));
1766 _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node)
1770 assert(node->flag & jit_flag_node);
1771 if (node->code == jit_code_movi)
1772 flag = node->v.n->flag;
1774 flag = node->u.n->flag;
1775 assert(!(flag & jit_flag_patch));
1776 if (_jitc->patches.offset >= _jitc->patches.length) {
1777 jit_realloc((jit_pointer_t *)&_jitc->patches.ptr,
1778 _jitc->patches.length * sizeof(jit_patch_t),
1779 (_jitc->patches.length + 1024) * sizeof(jit_patch_t));
1780 _jitc->patches.length += 1024;
1782 _jitc->patches.ptr[_jitc->patches.offset].inst = instr;
1783 _jitc->patches.ptr[_jitc->patches.offset].node = node;
1784 ++_jitc->patches.offset;