| 1 | /* |
| 2 | * Copyright (C) 2012-2019 Free Software Foundation, Inc. |
| 3 | * |
| 4 | * This file is part of GNU lightning. |
| 5 | * |
| 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) |
| 9 | * any later version. |
| 10 | * |
| 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. |
| 15 | * |
| 16 | * Authors: |
| 17 | * Paulo Cesar Pereira de Andrade |
| 18 | */ |
| 19 | |
| 20 | #if defined(__linux__) |
| 21 | # include <stdio.h> |
| 22 | #endif |
| 23 | |
| 24 | #define jit_arg_reg_p(i) ((i) >= 0 && (i) < 4) |
| 25 | #define jit_arg_f_reg_p(i) ((i) >= 0 && (i) < 16) |
| 26 | #define jit_arg_d_reg_p(i) ((i) >= 0 && (i) < 15) |
| 27 | |
| 28 | #define arm_patch_node 0x80000000 |
| 29 | #define arm_patch_word 0x40000000 |
| 30 | #define arm_patch_jump 0x20000000 |
| 31 | #define arm_patch_load 0x00000000 |
| 32 | |
| 33 | #define jit_fpr_p(rn) ((rn) > 15) |
| 34 | |
| 35 | #define arg_base() \ |
| 36 | (stack_framesize - 16 + (jit_cpu.abi ? 64 : 0)) |
| 37 | #define arg_offset(n) \ |
| 38 | ((n) < 4 ? arg_base() + ((n) << 2) : (n)) |
| 39 | |
| 40 | /* Assume functions called never match jit instruction set, that is |
| 41 | * libc, gmp, mpfr, etc functions are in thumb mode and jit is in |
| 42 | * arm mode, what may cause a crash upon return of that function |
| 43 | * if generating jit for a relative jump. |
| 44 | */ |
| 45 | #define jit_exchange_p() 1 |
| 46 | |
| 47 | /* FIXME is it really required to not touch _R10? */ |
| 48 | |
| 49 | /* |
| 50 | * Types |
| 51 | */ |
| 52 | typedef union _jit_thumb_t { |
| 53 | jit_int32_t i; |
| 54 | jit_int16_t s[2]; |
| 55 | } jit_thumb_t; |
| 56 | |
| 57 | typedef jit_pointer_t jit_va_list; |
| 58 | |
| 59 | /* |
| 60 | * Prototypes |
| 61 | */ |
| 62 | #define jit_make_arg(node) _jit_make_arg(_jit,node) |
| 63 | static jit_node_t *_jit_make_arg(jit_state_t*,jit_node_t*); |
| 64 | #define jit_make_arg_f(node) _jit_make_arg_f(_jit,node) |
| 65 | static jit_node_t *_jit_make_arg_f(jit_state_t*,jit_node_t*); |
| 66 | #define jit_make_arg_d(node) _jit_make_arg_d(_jit,node) |
| 67 | static jit_node_t *_jit_make_arg_d(jit_state_t*,jit_node_t*); |
| 68 | #define jit_get_reg_pair() _jit_get_reg_pair(_jit) |
| 69 | static jit_int32_t _jit_get_reg_pair(jit_state_t*); |
| 70 | #define jit_unget_reg_pair(rn) _jit_unget_reg_pair(_jit,rn) |
| 71 | static void _jit_unget_reg_pair(jit_state_t*,jit_int32_t); |
| 72 | # define must_align_p(node) _must_align_p(_jit, node) |
| 73 | static jit_bool_t _must_align_p(jit_state_t*,jit_node_t*); |
| 74 | #define load_const(uniq,r0,i0) _load_const(_jit,uniq,r0,i0) |
| 75 | static void _load_const(jit_state_t*,jit_bool_t,jit_int32_t,jit_word_t); |
| 76 | #define flush_consts() _flush_consts(_jit) |
| 77 | static void _flush_consts(jit_state_t*); |
| 78 | #define invalidate_consts() _invalidate_consts(_jit) |
| 79 | static void _invalidate_consts(jit_state_t*); |
| 80 | #define patch(instr, node) _patch(_jit, instr, node) |
| 81 | static void _patch(jit_state_t*,jit_word_t,jit_node_t*); |
| 82 | |
| 83 | #if defined(__GNUC__) |
| 84 | /* libgcc */ |
| 85 | extern void __clear_cache(void *, void *); |
| 86 | #endif |
| 87 | |
| 88 | #define PROTO 1 |
| 89 | # include "jit_rewind.c" |
| 90 | # include "jit_arm-cpu.c" |
| 91 | # include "jit_arm-swf.c" |
| 92 | # include "jit_arm-vfp.c" |
| 93 | #undef PROTO |
| 94 | |
| 95 | /* |
| 96 | * Initialization |
| 97 | */ |
| 98 | jit_cpu_t jit_cpu; |
| 99 | jit_register_t _rvs[] = { |
| 100 | { rc(gpr) | 0x0c, "ip" }, |
| 101 | { rc(sav) | rc(gpr) | 0x04, "r4" }, |
| 102 | { rc(sav) | rc(gpr) | 0x05, "r5" }, |
| 103 | { rc(sav) | rc(gpr) | 0x06, "r6" }, |
| 104 | { rc(sav) | rc(gpr) | 0x07, "r7" }, |
| 105 | { rc(sav) | rc(gpr) | 0x08, "r8" }, |
| 106 | { rc(sav) | rc(gpr) | 0x09, "r9" }, |
| 107 | { rc(sav) | 0x0a, "sl" }, |
| 108 | { rc(sav) | 0x0b, "fp" }, |
| 109 | { rc(sav) | 0x0d, "sp" }, |
| 110 | { rc(sav) | 0x0e, "lr" }, |
| 111 | { 0x0f, "pc" }, |
| 112 | { rc(arg) | rc(gpr) | 0x03, "r3" }, |
| 113 | { rc(arg) | rc(gpr) | 0x02, "r2" }, |
| 114 | { rc(arg) | rc(gpr) | 0x01, "r1" }, |
| 115 | { rc(arg) | rc(gpr) | 0x00, "r0" }, |
| 116 | { rc(fpr) | 0x20, "d8" }, |
| 117 | { 0x21, "s17" }, |
| 118 | { rc(fpr) | 0x22, "d9" }, |
| 119 | { 0x23, "s19" }, |
| 120 | { rc(fpr) | 0x24, "d10" }, |
| 121 | { 0x25, "s21" }, |
| 122 | { rc(fpr) | 0x26, "d11" }, |
| 123 | { 0x27, "s23" }, |
| 124 | { rc(fpr) | 0x28, "d12" }, |
| 125 | { 0x29, "s25" }, |
| 126 | { rc(fpr) | 0x2a, "d13" }, |
| 127 | { 0x2b, "s27" }, |
| 128 | { rc(fpr) | 0x2c, "d14" }, |
| 129 | { 0x2d, "s29" }, |
| 130 | { rc(fpr) | 0x2e, "d15" }, |
| 131 | { 0x2f, "s31" }, |
| 132 | { rc(arg) | 0x1f, "s15" }, |
| 133 | { rc(arg)|rc(sft)|rc(fpr)|0x1e, "d7" }, |
| 134 | { rc(arg) | 0x1d, "s13" }, |
| 135 | { rc(arg)|rc(sft)|rc(fpr)|0x1c, "d6" }, |
| 136 | { rc(arg) | 0x1b, "s11" }, |
| 137 | { rc(arg)|rc(sft)|rc(fpr)|0x1a, "d5" }, |
| 138 | { rc(arg) | 0x19, "s9" }, |
| 139 | { rc(arg)|rc(sft)|rc(fpr)|0x18, "d4" }, |
| 140 | { rc(arg) | 0x17, "s7" }, |
| 141 | { rc(arg)|rc(sft)|rc(fpr)|0x16, "d3" }, |
| 142 | { rc(arg) | 0x15, "s5" }, |
| 143 | { rc(arg)|rc(sft)|rc(fpr)|0x14, "d2" }, |
| 144 | { rc(arg) | 0x13, "s3" }, |
| 145 | { rc(arg)|rc(sft)|rc(fpr)|0x12, "d1" }, |
| 146 | { rc(arg) | 0x11, "s1" }, |
| 147 | { rc(arg)|rc(sft)|rc(fpr)|0x10, "d0" }, |
| 148 | { _NOREG, "<none>" }, |
| 149 | }; |
| 150 | |
| 151 | /* |
| 152 | * Implementation |
| 153 | */ |
| 154 | void |
| 155 | jit_get_cpu(void) |
| 156 | { |
| 157 | #if defined(__linux__) |
| 158 | FILE *fp; |
| 159 | char *ptr; |
| 160 | char buf[128]; |
| 161 | |
| 162 | if ((fp = fopen("/proc/cpuinfo", "r")) != NULL) { |
| 163 | while (fgets(buf, sizeof(buf), fp)) { |
| 164 | if (strncmp(buf, "CPU architecture:", 17) == 0) { |
| 165 | jit_cpu.version = strtol(buf + 17, &ptr, 10); |
| 166 | while (*ptr) { |
| 167 | if (*ptr == 'T' || *ptr == 't') { |
| 168 | ++ptr; |
| 169 | jit_cpu.thumb = 1; |
| 170 | } |
| 171 | else if (*ptr == 'E' || *ptr == 'e') { |
| 172 | jit_cpu.extend = 1; |
| 173 | ++ptr; |
| 174 | } |
| 175 | else |
| 176 | ++ptr; |
| 177 | } |
| 178 | } |
| 179 | else if (strncmp(buf, "Features\t:", 10) == 0) { |
| 180 | if ((ptr = strstr(buf + 10, "vfpv"))) |
| 181 | jit_cpu.vfp = strtol(ptr + 4, NULL, 0); |
| 182 | if ((ptr = strstr(buf + 10, "neon"))) |
| 183 | jit_cpu.neon = 1; |
| 184 | if ((ptr = strstr(buf + 10, "thumb"))) |
| 185 | jit_cpu.thumb = 1; |
| 186 | } |
| 187 | } |
| 188 | fclose(fp); |
| 189 | } |
| 190 | #endif |
| 191 | #if defined(__ARM_PCS_VFP) |
| 192 | if (!jit_cpu.vfp) |
| 193 | jit_cpu.vfp = 3; |
| 194 | if (!jit_cpu.version) |
| 195 | jit_cpu.version = 7; |
| 196 | jit_cpu.abi = 1; |
| 197 | #endif |
| 198 | #if defined(__thumb2__) |
| 199 | jit_cpu.thumb = 1; |
| 200 | #endif |
| 201 | /* armv6t2 todo (software float and thumb2) */ |
| 202 | if (!jit_cpu.vfp && jit_cpu.thumb) |
| 203 | jit_cpu.thumb = 0; |
| 204 | } |
| 205 | |
| 206 | void |
| 207 | _jit_init(jit_state_t *_jit) |
| 208 | { |
| 209 | jit_int32_t regno; |
| 210 | static jit_bool_t first = 1; |
| 211 | |
| 212 | _jitc->reglen = jit_size(_rvs) - 1; |
| 213 | if (first) { |
| 214 | /* jit_get_cpu() should have been already called, and only once */ |
| 215 | if (!jit_cpu.vfp) { |
| 216 | /* cause register to never be allocated, because simple |
| 217 | * software float only allocates stack space for 8 slots */ |
| 218 | for (regno = _D8; regno < _D7; regno++) |
| 219 | _rvs[regno].spec = 0; |
| 220 | } |
| 221 | if (!jit_cpu.abi) { |
| 222 | for (regno = _S15; regno <= _D0; regno++) |
| 223 | _rvs[regno].spec &= ~rc(arg); |
| 224 | } |
| 225 | first = 0; |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | void |
| 230 | _jit_prolog(jit_state_t *_jit) |
| 231 | { |
| 232 | jit_int32_t offset; |
| 233 | |
| 234 | if (_jitc->function) |
| 235 | jit_epilog(); |
| 236 | assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0); |
| 237 | jit_regset_set_ui(&_jitc->regsav, 0); |
| 238 | offset = _jitc->functions.offset; |
| 239 | if (offset >= _jitc->functions.length) { |
| 240 | jit_realloc((jit_pointer_t *)&_jitc->functions.ptr, |
| 241 | _jitc->functions.length * sizeof(jit_function_t), |
| 242 | (_jitc->functions.length + 16) * sizeof(jit_function_t)); |
| 243 | _jitc->functions.length += 16; |
| 244 | } |
| 245 | _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++; |
| 246 | _jitc->function->self.size = stack_framesize; |
| 247 | if (jit_cpu.abi) |
| 248 | _jitc->function->self.size += 64; |
| 249 | _jitc->function->self.argi = _jitc->function->self.argf = |
| 250 | _jitc->function->self.alen = 0; |
| 251 | if (jit_swf_p()) |
| 252 | /* 8 soft float registers */ |
| 253 | _jitc->function->self.aoff = -64; |
| 254 | else |
| 255 | _jitc->function->self.aoff = 0; |
| 256 | _jitc->function->self.call = jit_call_default; |
| 257 | jit_alloc((jit_pointer_t *)&_jitc->function->regoff, |
| 258 | _jitc->reglen * sizeof(jit_int32_t)); |
| 259 | |
| 260 | /* _no_link here does not mean the jit_link() call can be removed |
| 261 | * by rewriting as: |
| 262 | * _jitc->function->prolog = jit_new_node(jit_code_prolog); |
| 263 | */ |
| 264 | _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog); |
| 265 | jit_link(_jitc->function->prolog); |
| 266 | _jitc->function->prolog->w.w = offset; |
| 267 | _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog); |
| 268 | /* u: label value |
| 269 | * v: offset in blocks vector |
| 270 | * w: offset in functions vector |
| 271 | */ |
| 272 | _jitc->function->epilog->w.w = offset; |
| 273 | |
| 274 | jit_regset_new(&_jitc->function->regset); |
| 275 | } |
| 276 | |
| 277 | jit_int32_t |
| 278 | _jit_allocai(jit_state_t *_jit, jit_int32_t length) |
| 279 | { |
| 280 | assert(_jitc->function); |
| 281 | switch (length) { |
| 282 | case 0: case 1: break; |
| 283 | case 2: _jitc->function->self.aoff &= -2; break; |
| 284 | case 3: case 4: _jitc->function->self.aoff &= -4; break; |
| 285 | default: _jitc->function->self.aoff &= -8; break; |
| 286 | } |
| 287 | _jitc->function->self.aoff -= length; |
| 288 | if (!_jitc->realize) { |
| 289 | jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length); |
| 290 | jit_dec_synth(); |
| 291 | } |
| 292 | return (_jitc->function->self.aoff); |
| 293 | } |
| 294 | |
| 295 | void |
| 296 | _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v) |
| 297 | { |
| 298 | jit_int32_t reg; |
| 299 | assert(_jitc->function); |
| 300 | jit_inc_synth_ww(allocar, u, v); |
| 301 | if (!_jitc->function->allocar) { |
| 302 | _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t)); |
| 303 | _jitc->function->allocar = 1; |
| 304 | } |
| 305 | reg = jit_get_reg(jit_class_gpr); |
| 306 | jit_negr(reg, v); |
| 307 | jit_andi(reg, reg, -8); |
| 308 | jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff); |
| 309 | jit_addr(u, u, reg); |
| 310 | jit_addr(JIT_SP, JIT_SP, reg); |
| 311 | jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u); |
| 312 | jit_unget_reg(reg); |
| 313 | jit_dec_synth(); |
| 314 | } |
| 315 | |
| 316 | void |
| 317 | _jit_ret(jit_state_t *_jit) |
| 318 | { |
| 319 | jit_node_t *instr; |
| 320 | assert(_jitc->function); |
| 321 | jit_inc_synth(ret); |
| 322 | /* jump to epilog */ |
| 323 | instr = jit_jmpi(); |
| 324 | jit_patch_at(instr, _jitc->function->epilog); |
| 325 | jit_dec_synth(); |
| 326 | } |
| 327 | |
| 328 | void |
| 329 | _jit_retr(jit_state_t *_jit, jit_int32_t u) |
| 330 | { |
| 331 | jit_inc_synth_w(retr, u); |
| 332 | if (JIT_RET != u) |
| 333 | jit_movr(JIT_RET, u); |
| 334 | jit_live(JIT_RET); |
| 335 | jit_ret(); |
| 336 | jit_dec_synth(); |
| 337 | } |
| 338 | |
| 339 | void |
| 340 | _jit_reti(jit_state_t *_jit, jit_word_t u) |
| 341 | { |
| 342 | jit_inc_synth_w(reti, u); |
| 343 | jit_movi(JIT_RET, u); |
| 344 | jit_ret(); |
| 345 | jit_dec_synth(); |
| 346 | } |
| 347 | |
| 348 | void |
| 349 | _jit_retr_f(jit_state_t *_jit, jit_int32_t u) |
| 350 | { |
| 351 | jit_inc_synth_w(retr_f, u); |
| 352 | if (jit_cpu.abi) { |
| 353 | if (u != JIT_FRET) |
| 354 | jit_movr_f(JIT_FRET, u); |
| 355 | else |
| 356 | jit_live(JIT_FRET); |
| 357 | } |
| 358 | else { |
| 359 | if (u != JIT_RET) |
| 360 | jit_movr_f_w(JIT_RET, u); |
| 361 | else |
| 362 | jit_live(JIT_RET); |
| 363 | } |
| 364 | jit_ret(); |
| 365 | jit_dec_synth(); |
| 366 | } |
| 367 | |
| 368 | void |
| 369 | _jit_reti_f(jit_state_t *_jit, jit_float32_t u) |
| 370 | { |
| 371 | jit_inc_synth_f(reti_f, u); |
| 372 | if (jit_cpu.abi) |
| 373 | jit_movi_f(JIT_FRET, u); |
| 374 | else |
| 375 | jit_movi_f_w(JIT_RET, u); |
| 376 | jit_ret(); |
| 377 | jit_dec_synth(); |
| 378 | } |
| 379 | |
| 380 | void |
| 381 | _jit_retr_d(jit_state_t *_jit, jit_int32_t u) |
| 382 | { |
| 383 | jit_inc_synth_w(retr_d, u); |
| 384 | if (jit_cpu.abi) { |
| 385 | if (u != JIT_FRET) |
| 386 | jit_movr_d(JIT_FRET, u); |
| 387 | else |
| 388 | jit_live(JIT_FRET); |
| 389 | } |
| 390 | else { |
| 391 | if (u != JIT_RET) |
| 392 | jit_movr_d_ww(JIT_RET, _R1, u); |
| 393 | else |
| 394 | jit_live(JIT_RET); |
| 395 | } |
| 396 | jit_ret(); |
| 397 | jit_dec_synth(); |
| 398 | } |
| 399 | |
| 400 | void |
| 401 | _jit_reti_d(jit_state_t *_jit, jit_float64_t u) |
| 402 | { |
| 403 | jit_inc_synth_d(reti_d, u); |
| 404 | if (jit_cpu.abi) |
| 405 | jit_movi_d(JIT_FRET, u); |
| 406 | else |
| 407 | jit_movi_d_ww(JIT_RET, _R1, u); |
| 408 | jit_ret(); |
| 409 | jit_dec_synth(); |
| 410 | } |
| 411 | |
| 412 | void |
| 413 | _jit_epilog(jit_state_t *_jit) |
| 414 | { |
| 415 | assert(_jitc->function); |
| 416 | assert(_jitc->function->epilog->next == NULL); |
| 417 | jit_link(_jitc->function->epilog); |
| 418 | _jitc->function = NULL; |
| 419 | } |
| 420 | |
| 421 | jit_bool_t |
| 422 | _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u) |
| 423 | { |
| 424 | if (u->code != jit_code_arg) { |
| 425 | if (u->code == jit_code_arg_f) { |
| 426 | if (jit_cpu.abi) |
| 427 | return (jit_arg_f_reg_p(u->u.w)); |
| 428 | } |
| 429 | else { |
| 430 | assert(u->code == jit_code_arg_d); |
| 431 | if (jit_cpu.abi) |
| 432 | return (jit_arg_d_reg_p(u->u.w)); |
| 433 | } |
| 434 | } |
| 435 | return (jit_arg_reg_p(u->u.w)); |
| 436 | } |
| 437 | |
| 438 | static jit_node_t * |
| 439 | _jit_make_arg(jit_state_t *_jit, jit_node_t *node) |
| 440 | { |
| 441 | jit_int32_t offset; |
| 442 | if (jit_arg_reg_p(_jitc->function->self.argi)) |
| 443 | offset = _jitc->function->self.argi++; |
| 444 | else { |
| 445 | offset = _jitc->function->self.size; |
| 446 | _jitc->function->self.size += sizeof(jit_word_t); |
| 447 | } |
| 448 | if (node == (jit_node_t *)0) |
| 449 | node = jit_new_node(jit_code_arg); |
| 450 | else |
| 451 | link_node(node); |
| 452 | node->u.w = offset; |
| 453 | node->v.w = ++_jitc->function->self.argn; |
| 454 | jit_link_prolog(); |
| 455 | return (node); |
| 456 | } |
| 457 | |
| 458 | jit_node_t * |
| 459 | _jit_make_arg_f(jit_state_t *_jit, jit_node_t *node) |
| 460 | { |
| 461 | jit_int32_t offset; |
| 462 | if (jit_cpu.abi && !(_jitc->function->self.call & jit_call_varargs)) { |
| 463 | if (jit_arg_f_reg_p(_jitc->function->self.argf)) { |
| 464 | offset = _jitc->function->self.argf++; |
| 465 | goto done; |
| 466 | } |
| 467 | } |
| 468 | else { |
| 469 | if (jit_arg_reg_p(_jitc->function->self.argi)) { |
| 470 | offset = _jitc->function->self.argi++; |
| 471 | goto done; |
| 472 | } |
| 473 | } |
| 474 | offset = _jitc->function->self.size; |
| 475 | _jitc->function->self.size += sizeof(jit_float32_t); |
| 476 | done: |
| 477 | if (node == (jit_node_t *)0) |
| 478 | node = jit_new_node(jit_code_arg_f); |
| 479 | else |
| 480 | link_node(node); |
| 481 | node->u.w = offset; |
| 482 | node->v.w = ++_jitc->function->self.argn; |
| 483 | jit_link_prolog(); |
| 484 | return (node); |
| 485 | } |
| 486 | |
| 487 | jit_node_t * |
| 488 | _jit_make_arg_d(jit_state_t *_jit, jit_node_t *node) |
| 489 | { |
| 490 | jit_int32_t offset; |
| 491 | if (jit_cpu.abi && !(_jitc->function->self.call & jit_call_varargs)) { |
| 492 | if (jit_arg_d_reg_p(_jitc->function->self.argf)) { |
| 493 | if (_jitc->function->self.argf & 1) |
| 494 | ++_jitc->function->self.argf; |
| 495 | offset = _jitc->function->self.argf; |
| 496 | _jitc->function->self.argf += 2; |
| 497 | goto done; |
| 498 | } |
| 499 | } |
| 500 | else { |
| 501 | if (_jitc->function->self.argi & 1) |
| 502 | ++_jitc->function->self.argi; |
| 503 | if (jit_arg_reg_p(_jitc->function->self.argi)) { |
| 504 | offset = _jitc->function->self.argi; |
| 505 | _jitc->function->self.argi += 2; |
| 506 | goto done; |
| 507 | } |
| 508 | } |
| 509 | if (_jitc->function->self.size & 7) |
| 510 | _jitc->function->self.size += 4; |
| 511 | offset = _jitc->function->self.size; |
| 512 | _jitc->function->self.size += sizeof(jit_float64_t); |
| 513 | done: |
| 514 | if (node == (jit_node_t *)0) |
| 515 | node = jit_new_node(jit_code_arg_d); |
| 516 | else |
| 517 | link_node(node); |
| 518 | node->u.w = offset; |
| 519 | node->v.w = ++_jitc->function->self.argn; |
| 520 | jit_link_prolog(); |
| 521 | return (node); |
| 522 | } |
| 523 | |
| 524 | void |
| 525 | _jit_ellipsis(jit_state_t *_jit) |
| 526 | { |
| 527 | if (_jitc->prepare) { |
| 528 | assert(!(_jitc->function->call.call & jit_call_varargs)); |
| 529 | _jitc->function->call.call |= jit_call_varargs; |
| 530 | if (jit_cpu.abi && _jitc->function->call.argf) |
| 531 | rewind_prepare(); |
| 532 | } |
| 533 | else { |
| 534 | assert(!(_jitc->function->self.call & jit_call_varargs)); |
| 535 | _jitc->function->self.call |= jit_call_varargs; |
| 536 | if (jit_cpu.abi && _jitc->function->self.argf) |
| 537 | rewind_prolog(); |
| 538 | /* First 4 stack addresses are always spilled r0-r3 */ |
| 539 | if (jit_arg_reg_p(_jitc->function->self.argi)) |
| 540 | _jitc->function->vagp = _jitc->function->self.argi * 4; |
| 541 | else |
| 542 | _jitc->function->vagp = 16; |
| 543 | } |
| 544 | jit_inc_synth(ellipsis); |
| 545 | if (_jitc->prepare) |
| 546 | jit_link_prepare(); |
| 547 | else |
| 548 | jit_link_prolog(); |
| 549 | jit_dec_synth(); |
| 550 | } |
| 551 | |
| 552 | void |
| 553 | _jit_va_push(jit_state_t *_jit, jit_int32_t u) |
| 554 | { |
| 555 | jit_inc_synth_w(va_push, u); |
| 556 | jit_pushargr(u); |
| 557 | jit_dec_synth(); |
| 558 | } |
| 559 | |
| 560 | jit_node_t * |
| 561 | _jit_arg(jit_state_t *_jit) |
| 562 | { |
| 563 | assert(_jitc->function); |
| 564 | return (jit_make_arg((jit_node_t*)0)); |
| 565 | } |
| 566 | |
| 567 | jit_node_t * |
| 568 | _jit_arg_f(jit_state_t *_jit) |
| 569 | { |
| 570 | assert(_jitc->function); |
| 571 | return (jit_make_arg_f((jit_node_t*)0)); |
| 572 | } |
| 573 | |
| 574 | jit_node_t * |
| 575 | _jit_arg_d(jit_state_t *_jit) |
| 576 | { |
| 577 | assert(_jitc->function); |
| 578 | return (jit_make_arg_d((jit_node_t*)0)); |
| 579 | } |
| 580 | |
| 581 | void |
| 582 | _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 583 | { |
| 584 | assert(v->code == jit_code_arg); |
| 585 | jit_inc_synth_wp(getarg_c, u, v); |
| 586 | if (jit_swf_p()) |
| 587 | jit_ldxi_c(u, JIT_FP, arg_offset(v->u.w)); |
| 588 | else if (jit_arg_reg_p(v->u.w)) |
| 589 | jit_extr_c(u, JIT_RA0 - v->u.w); |
| 590 | else |
| 591 | jit_ldxi_c(u, JIT_FP, v->u.w); |
| 592 | jit_dec_synth(); |
| 593 | } |
| 594 | |
| 595 | void |
| 596 | _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 597 | { |
| 598 | assert(v->code == jit_code_arg); |
| 599 | jit_inc_synth_wp(getarg_uc, u, v); |
| 600 | if (jit_swf_p()) |
| 601 | jit_ldxi_uc(u, JIT_FP, arg_offset(v->u.w)); |
| 602 | else if (jit_arg_reg_p(v->u.w)) |
| 603 | jit_extr_uc(u, JIT_RA0 - v->u.w); |
| 604 | else |
| 605 | jit_ldxi_uc(u, JIT_FP, v->u.w); |
| 606 | jit_dec_synth(); |
| 607 | } |
| 608 | |
| 609 | void |
| 610 | _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 611 | { |
| 612 | assert(v->code == jit_code_arg); |
| 613 | jit_inc_synth_wp(getarg_s, u, v); |
| 614 | if (jit_swf_p()) |
| 615 | jit_ldxi_s(u, JIT_FP, arg_offset(v->u.w)); |
| 616 | else if (jit_arg_reg_p(v->u.w)) |
| 617 | jit_extr_s(u, JIT_RA0 - v->u.w); |
| 618 | else |
| 619 | jit_ldxi_s(u, JIT_FP, v->u.w); |
| 620 | jit_dec_synth(); |
| 621 | } |
| 622 | |
| 623 | void |
| 624 | _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 625 | { |
| 626 | assert(v->code == jit_code_arg); |
| 627 | jit_inc_synth_wp(getarg_us, u, v); |
| 628 | if (jit_swf_p()) |
| 629 | jit_ldxi_us(u, JIT_FP, arg_offset(v->u.w)); |
| 630 | else if (jit_arg_reg_p(v->u.w)) |
| 631 | jit_extr_us(u, JIT_RA0 - v->u.w); |
| 632 | else |
| 633 | jit_ldxi_us(u, JIT_FP, v->u.w); |
| 634 | jit_dec_synth(); |
| 635 | } |
| 636 | |
| 637 | void |
| 638 | _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 639 | { |
| 640 | assert(v->code == jit_code_arg); |
| 641 | jit_inc_synth_wp(getarg_i, u, v); |
| 642 | if (jit_swf_p()) |
| 643 | jit_ldxi_i(u, JIT_FP, arg_offset(v->u.w)); |
| 644 | else if (jit_arg_reg_p(v->u.w)) |
| 645 | jit_movr(u, JIT_RA0 - v->u.w); |
| 646 | else |
| 647 | jit_ldxi_i(u, JIT_FP, v->u.w); |
| 648 | jit_dec_synth(); |
| 649 | } |
| 650 | |
| 651 | void |
| 652 | _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 653 | { |
| 654 | assert(v->code == jit_code_arg); |
| 655 | jit_inc_synth_wp(putargr, u, v); |
| 656 | if (jit_swf_p()) |
| 657 | jit_stxi(arg_offset(v->u.w), JIT_FP, u); |
| 658 | else if (jit_arg_reg_p(v->u.w)) |
| 659 | jit_movr(JIT_RA0 - v->u.w, u); |
| 660 | else |
| 661 | jit_stxi(v->u.w, JIT_FP, u); |
| 662 | jit_dec_synth(); |
| 663 | } |
| 664 | |
| 665 | void |
| 666 | _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v) |
| 667 | { |
| 668 | jit_int32_t regno; |
| 669 | assert(v->code == jit_code_arg); |
| 670 | jit_inc_synth_wp(putargi, u, v); |
| 671 | if (jit_swf_p()) { |
| 672 | regno = jit_get_reg(jit_class_gpr); |
| 673 | jit_movi(regno, u); |
| 674 | jit_stxi(arg_offset(v->u.w), JIT_FP, regno); |
| 675 | jit_unget_reg(regno); |
| 676 | } |
| 677 | else if (jit_arg_reg_p(v->u.w)) |
| 678 | jit_movi(JIT_RA0 - v->u.w, u); |
| 679 | else { |
| 680 | regno = jit_get_reg(jit_class_gpr); |
| 681 | jit_movi(regno, u); |
| 682 | jit_stxi(v->u.w, JIT_FP, regno); |
| 683 | jit_unget_reg(regno); |
| 684 | } |
| 685 | jit_dec_synth(); |
| 686 | } |
| 687 | |
| 688 | void |
| 689 | _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 690 | { |
| 691 | assert(v->code == jit_code_arg_f); |
| 692 | jit_inc_synth_wp(getarg_f, u, v); |
| 693 | if (jit_cpu.abi && !(_jitc->function->self.call & jit_call_varargs)) { |
| 694 | if (jit_arg_f_reg_p(v->u.w)) |
| 695 | jit_movr_f(u, JIT_FA0 - v->u.w); |
| 696 | else |
| 697 | jit_ldxi_f(u, JIT_FP, v->u.w); |
| 698 | } |
| 699 | else if (jit_swf_p()) |
| 700 | jit_ldxi_f(u, JIT_FP, arg_offset(v->u.w)); |
| 701 | else { |
| 702 | if (jit_arg_reg_p(v->u.w)) |
| 703 | jit_movr_w_f(u, JIT_RA0 - v->u.w); |
| 704 | else |
| 705 | jit_ldxi_f(u, JIT_FP, v->u.w); |
| 706 | } |
| 707 | jit_dec_synth(); |
| 708 | } |
| 709 | |
| 710 | void |
| 711 | _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 712 | { |
| 713 | assert(v->code == jit_code_arg_f); |
| 714 | jit_inc_synth_wp(putargr_f, u, v); |
| 715 | if (jit_cpu.abi) { |
| 716 | if (jit_arg_f_reg_p(v->u.w)) |
| 717 | jit_movr_f(JIT_FA0 - v->u.w, u); |
| 718 | else |
| 719 | jit_stxi_f(v->u.w, JIT_FP, u); |
| 720 | } |
| 721 | else if (jit_swf_p()) |
| 722 | jit_stxi_f(arg_offset(v->u.w), JIT_FP, u); |
| 723 | else { |
| 724 | if (jit_arg_reg_p(v->u.w)) |
| 725 | jit_movr_f_w(JIT_RA0 - v->u.w, u); |
| 726 | else |
| 727 | jit_stxi_f(v->u.w, JIT_FP, u); |
| 728 | } |
| 729 | jit_dec_synth(); |
| 730 | } |
| 731 | |
| 732 | void |
| 733 | _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v) |
| 734 | { |
| 735 | jit_int32_t regno; |
| 736 | assert(v->code == jit_code_arg_f); |
| 737 | jit_inc_synth_fp(putargi_f, u, v); |
| 738 | if (jit_cpu.abi) { |
| 739 | if (jit_arg_f_reg_p(v->u.w)) |
| 740 | jit_movi_f(JIT_FA0 - v->u.w, u); |
| 741 | else { |
| 742 | regno = jit_get_reg(jit_class_fpr); |
| 743 | jit_movi_f(regno, u); |
| 744 | jit_stxi_f(v->u.w, JIT_FP, regno); |
| 745 | jit_unget_reg(regno); |
| 746 | } |
| 747 | } |
| 748 | else if (jit_swf_p()) { |
| 749 | regno = jit_get_reg(jit_class_fpr); |
| 750 | jit_movi_f(regno, u); |
| 751 | jit_stxi_f(arg_offset(v->u.w), JIT_FP, regno); |
| 752 | jit_unget_reg(regno); |
| 753 | } |
| 754 | else { |
| 755 | regno = jit_get_reg(jit_class_fpr); |
| 756 | jit_movi_f(regno, u); |
| 757 | if (jit_arg_reg_p(v->u.w)) |
| 758 | jit_movr_f_w(JIT_RA0 - v->u.w, regno); |
| 759 | else |
| 760 | jit_stxi_f(v->u.w, JIT_FP, regno); |
| 761 | jit_unget_reg(regno); |
| 762 | } |
| 763 | jit_dec_synth(); |
| 764 | } |
| 765 | |
| 766 | void |
| 767 | _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 768 | { |
| 769 | assert(v->code == jit_code_arg_d); |
| 770 | jit_inc_synth_wp(getarg_d, u, v); |
| 771 | if (jit_cpu.abi && !(_jitc->function->self.call & jit_call_varargs)) { |
| 772 | if (jit_arg_f_reg_p(v->u.w)) |
| 773 | jit_movr_d(u, JIT_FA0 - v->u.w); |
| 774 | else |
| 775 | jit_ldxi_d(u, JIT_FP, v->u.w); |
| 776 | } |
| 777 | else if (jit_swf_p()) |
| 778 | jit_ldxi_d(u, JIT_FP, arg_offset(v->u.w)); |
| 779 | else { |
| 780 | if (jit_arg_reg_p(v->u.w)) |
| 781 | jit_movr_ww_d(u, JIT_RA0 - v->u.w, JIT_RA0 - (v->u.w + 1)); |
| 782 | else |
| 783 | jit_ldxi_d(u, JIT_FP, v->u.w); |
| 784 | } |
| 785 | jit_dec_synth(); |
| 786 | } |
| 787 | |
| 788 | void |
| 789 | _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 790 | { |
| 791 | assert(v->code == jit_code_arg_d); |
| 792 | jit_inc_synth_wp(putargr_d, u, v); |
| 793 | if (jit_cpu.abi) { |
| 794 | if (jit_arg_f_reg_p(v->u.w)) |
| 795 | jit_movr_d(JIT_FA0 - v->u.w, u); |
| 796 | else |
| 797 | jit_stxi_d(v->u.w, JIT_FP, u); |
| 798 | } |
| 799 | else if (jit_swf_p()) |
| 800 | jit_stxi_d(arg_offset(v->u.w), JIT_FP, u); |
| 801 | else { |
| 802 | if (jit_arg_reg_p(v->u.w)) |
| 803 | jit_movr_d_ww(JIT_RA0 - v->u.w, JIT_RA0 - (v->u.w + 1), u); |
| 804 | else |
| 805 | jit_stxi_d(v->u.w, JIT_FP, u); |
| 806 | } |
| 807 | jit_dec_synth(); |
| 808 | } |
| 809 | |
| 810 | void |
| 811 | _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v) |
| 812 | { |
| 813 | jit_int32_t regno; |
| 814 | assert(v->code == jit_code_arg_d); |
| 815 | jit_inc_synth_dp(putargi_d, u, v); |
| 816 | if (jit_cpu.abi) { |
| 817 | if (jit_arg_f_reg_p(v->u.w)) |
| 818 | jit_movi_d(JIT_FA0 - v->u.w, u); |
| 819 | else { |
| 820 | regno = jit_get_reg(jit_class_fpr); |
| 821 | jit_movi_d(regno, u); |
| 822 | jit_stxi_d(v->u.w, JIT_FP, regno); |
| 823 | jit_unget_reg(regno); |
| 824 | } |
| 825 | } |
| 826 | else if (jit_swf_p()) { |
| 827 | regno = jit_get_reg(jit_class_fpr); |
| 828 | jit_movi_d(regno, u); |
| 829 | jit_stxi_d(arg_offset(v->u.w), JIT_FP, regno); |
| 830 | jit_unget_reg(regno); |
| 831 | } |
| 832 | else { |
| 833 | regno = jit_get_reg(jit_class_fpr); |
| 834 | jit_movi_d(regno, u); |
| 835 | if (jit_arg_reg_p(v->u.w)) |
| 836 | jit_movr_d_ww(JIT_RA0 - v->u.w, JIT_RA0 - (v->u.w + 1), regno); |
| 837 | else |
| 838 | jit_stxi_d(v->u.w, JIT_FP, regno); |
| 839 | jit_unget_reg(regno); |
| 840 | } |
| 841 | jit_dec_synth(); |
| 842 | } |
| 843 | |
| 844 | void |
| 845 | _jit_pushargr(jit_state_t *_jit, jit_int32_t u) |
| 846 | { |
| 847 | assert(_jitc->function); |
| 848 | jit_inc_synth_w(pushargr, u); |
| 849 | jit_link_prepare(); |
| 850 | if (jit_arg_reg_p(_jitc->function->call.argi)) { |
| 851 | jit_movr(JIT_RA0 - _jitc->function->call.argi, u); |
| 852 | ++_jitc->function->call.argi; |
| 853 | } |
| 854 | else { |
| 855 | jit_stxi(_jitc->function->call.size, JIT_SP, u); |
| 856 | _jitc->function->call.size += sizeof(jit_word_t); |
| 857 | } |
| 858 | jit_dec_synth(); |
| 859 | } |
| 860 | |
| 861 | void |
| 862 | _jit_pushargi(jit_state_t *_jit, jit_word_t u) |
| 863 | { |
| 864 | jit_int32_t regno; |
| 865 | assert(_jitc->function); |
| 866 | jit_inc_synth_w(pushargi, u); |
| 867 | jit_link_prepare(); |
| 868 | if (jit_arg_reg_p(_jitc->function->call.argi)) { |
| 869 | jit_movi(JIT_RA0 - _jitc->function->call.argi, u); |
| 870 | ++_jitc->function->call.argi; |
| 871 | } |
| 872 | else { |
| 873 | regno = jit_get_reg(jit_class_gpr); |
| 874 | jit_movi(regno, u); |
| 875 | jit_stxi(_jitc->function->call.size, JIT_SP, regno); |
| 876 | jit_unget_reg(regno); |
| 877 | _jitc->function->call.size += sizeof(jit_word_t); |
| 878 | } |
| 879 | jit_dec_synth(); |
| 880 | } |
| 881 | |
| 882 | void |
| 883 | _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u) |
| 884 | { |
| 885 | assert(_jitc->function); |
| 886 | jit_inc_synth_w(pushargr_f, u); |
| 887 | jit_link_prepare(); |
| 888 | if (jit_cpu.abi && !(_jitc->function->call.call & jit_call_varargs)) { |
| 889 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { |
| 890 | jit_movr_f(JIT_FA0 - _jitc->function->call.argf, u); |
| 891 | ++_jitc->function->call.argf; |
| 892 | goto done; |
| 893 | } |
| 894 | } |
| 895 | else { |
| 896 | if (jit_arg_reg_p(_jitc->function->call.argi)) { |
| 897 | jit_movr_f_w(JIT_RA0 - _jitc->function->call.argi, u); |
| 898 | ++_jitc->function->call.argi; |
| 899 | goto done; |
| 900 | } |
| 901 | } |
| 902 | jit_stxi_f(_jitc->function->call.size, JIT_SP, u); |
| 903 | _jitc->function->call.size += sizeof(jit_word_t); |
| 904 | done: |
| 905 | jit_dec_synth(); |
| 906 | } |
| 907 | |
| 908 | void |
| 909 | _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u) |
| 910 | { |
| 911 | jit_int32_t regno; |
| 912 | assert(_jitc->function); |
| 913 | jit_inc_synth_f(pushargi_f, u); |
| 914 | jit_link_prepare(); |
| 915 | if (jit_cpu.abi && !(_jitc->function->call.call & jit_call_varargs)) { |
| 916 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { |
| 917 | /* cannot jit_movi_f in the argument register because |
| 918 | * float arguments are packed, and that would cause |
| 919 | * either an assertion in debug mode, or overwritting |
| 920 | * two registers */ |
| 921 | regno = jit_get_reg(jit_class_fpr); |
| 922 | jit_movi_f(regno, u); |
| 923 | jit_movr_f(JIT_FA0 - _jitc->function->call.argf, regno); |
| 924 | jit_unget_reg(regno); |
| 925 | ++_jitc->function->call.argf; |
| 926 | goto done; |
| 927 | } |
| 928 | } |
| 929 | else { |
| 930 | if (jit_arg_reg_p(_jitc->function->call.argi)) { |
| 931 | jit_movi_f_w(JIT_RA0 - _jitc->function->call.argi, u); |
| 932 | ++_jitc->function->call.argi; |
| 933 | goto done; |
| 934 | } |
| 935 | } |
| 936 | regno = jit_get_reg(jit_class_fpr); |
| 937 | jit_movi_f(regno, u); |
| 938 | jit_stxi_f(_jitc->function->call.size, JIT_SP, regno); |
| 939 | jit_unget_reg(regno); |
| 940 | _jitc->function->call.size += sizeof(jit_word_t); |
| 941 | done: |
| 942 | jit_dec_synth(); |
| 943 | } |
| 944 | |
| 945 | void |
| 946 | _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u) |
| 947 | { |
| 948 | assert(_jitc->function); |
| 949 | jit_inc_synth_w(pushargr_d, u); |
| 950 | jit_link_prepare(); |
| 951 | if (jit_cpu.abi && !(_jitc->function->call.call & jit_call_varargs)) { |
| 952 | if (jit_arg_d_reg_p(_jitc->function->call.argf)) { |
| 953 | if (_jitc->function->call.argf & 1) |
| 954 | ++_jitc->function->call.argf; |
| 955 | jit_movr_d(JIT_FA0 - _jitc->function->call.argf, u); |
| 956 | _jitc->function->call.argf += 2; |
| 957 | goto done; |
| 958 | } |
| 959 | } |
| 960 | else { |
| 961 | if (_jitc->function->call.argi & 1) |
| 962 | ++_jitc->function->call.argi; |
| 963 | if (jit_arg_reg_p(_jitc->function->call.argi)) { |
| 964 | jit_movr_d_ww(JIT_RA0 - _jitc->function->call.argi, |
| 965 | JIT_RA0 - (_jitc->function->call.argi + 1), |
| 966 | u); |
| 967 | _jitc->function->call.argi += 2; |
| 968 | goto done; |
| 969 | } |
| 970 | } |
| 971 | if (_jitc->function->call.size & 7) |
| 972 | _jitc->function->call.size += 4; |
| 973 | jit_stxi_d(_jitc->function->call.size, JIT_SP, u); |
| 974 | _jitc->function->call.size += sizeof(jit_float64_t); |
| 975 | done: |
| 976 | jit_dec_synth(); |
| 977 | } |
| 978 | |
| 979 | void |
| 980 | _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u) |
| 981 | { |
| 982 | jit_int32_t regno; |
| 983 | assert(_jitc->function); |
| 984 | jit_inc_synth_d(pushargi_d, u); |
| 985 | jit_link_prepare(); |
| 986 | if (jit_cpu.abi && !(_jitc->function->call.call & jit_call_varargs)) { |
| 987 | if (jit_arg_d_reg_p(_jitc->function->call.argf)) { |
| 988 | if (_jitc->function->call.argf & 1) |
| 989 | ++_jitc->function->call.argf; |
| 990 | jit_movi_d(JIT_FA0 - _jitc->function->call.argf, u); |
| 991 | _jitc->function->call.argf += 2; |
| 992 | goto done; |
| 993 | } |
| 994 | } |
| 995 | else { |
| 996 | if (_jitc->function->call.argi & 1) |
| 997 | ++_jitc->function->call.argi; |
| 998 | if (jit_arg_reg_p(_jitc->function->call.argi)) { |
| 999 | jit_movi_d_ww(JIT_RA0 - _jitc->function->call.argi, |
| 1000 | JIT_RA0 - (_jitc->function->call.argi + 1), |
| 1001 | u); |
| 1002 | _jitc->function->call.argi += 2; |
| 1003 | goto done; |
| 1004 | } |
| 1005 | } |
| 1006 | if (_jitc->function->call.size & 7) |
| 1007 | _jitc->function->call.size += 4; |
| 1008 | regno = jit_get_reg(jit_class_fpr); |
| 1009 | jit_movi_d(regno, u); |
| 1010 | jit_stxi_d(_jitc->function->call.size, JIT_SP, regno); |
| 1011 | jit_unget_reg(regno); |
| 1012 | _jitc->function->call.size += sizeof(jit_float64_t); |
| 1013 | done: |
| 1014 | jit_dec_synth(); |
| 1015 | } |
| 1016 | |
| 1017 | jit_bool_t |
| 1018 | _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno) |
| 1019 | { |
| 1020 | jit_int32_t spec; |
| 1021 | spec = jit_class(_rvs[regno].spec); |
| 1022 | if (spec & jit_class_arg) { |
| 1023 | regno = JIT_RA0 - regno; |
| 1024 | if (regno >= 0 && regno < node->v.w) |
| 1025 | return (1); |
| 1026 | if (jit_cpu.abi && spec & jit_class_fpr) { |
| 1027 | regno = JIT_FA0 - regno; |
| 1028 | if (regno >= 0 && regno < node->w.w) |
| 1029 | return (1); |
| 1030 | } |
| 1031 | } |
| 1032 | |
| 1033 | return (0); |
| 1034 | } |
| 1035 | |
| 1036 | void |
| 1037 | _jit_finishr(jit_state_t *_jit, jit_int32_t r0) |
| 1038 | { |
| 1039 | jit_node_t *node; |
| 1040 | assert(_jitc->function); |
| 1041 | jit_inc_synth_w(finishr, r0); |
| 1042 | if (_jitc->function->self.alen < _jitc->function->call.size) |
| 1043 | _jitc->function->self.alen = _jitc->function->call.size; |
| 1044 | node = jit_callr(r0); |
| 1045 | node->v.w = _jitc->function->self.argi; |
| 1046 | node->w.w = _jitc->function->call.argf; |
| 1047 | _jitc->function->call.argi = _jitc->function->call.argf = |
| 1048 | _jitc->function->call.size = 0; |
| 1049 | _jitc->prepare = 0; |
| 1050 | jit_dec_synth(); |
| 1051 | } |
| 1052 | |
| 1053 | jit_node_t * |
| 1054 | _jit_finishi(jit_state_t *_jit, jit_pointer_t i0) |
| 1055 | { |
| 1056 | jit_node_t *node; |
| 1057 | assert(_jitc->function); |
| 1058 | jit_inc_synth_w(finishi, (jit_word_t)i0); |
| 1059 | if (_jitc->function->self.alen < _jitc->function->call.size) |
| 1060 | _jitc->function->self.alen = _jitc->function->call.size; |
| 1061 | node = jit_calli(i0); |
| 1062 | node->v.w = _jitc->function->call.argi; |
| 1063 | node->w.w = _jitc->function->call.argf; |
| 1064 | _jitc->function->call.argi = _jitc->function->call.argf = |
| 1065 | _jitc->function->call.size = 0; |
| 1066 | _jitc->prepare = 0; |
| 1067 | jit_dec_synth(); |
| 1068 | return (node); |
| 1069 | } |
| 1070 | |
| 1071 | void |
| 1072 | _jit_retval_c(jit_state_t *_jit, jit_int32_t r0) |
| 1073 | { |
| 1074 | jit_inc_synth_w(retval_c, r0); |
| 1075 | jit_extr_c(r0, JIT_RET); |
| 1076 | jit_dec_synth(); |
| 1077 | } |
| 1078 | |
| 1079 | void |
| 1080 | _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0) |
| 1081 | { |
| 1082 | jit_inc_synth_w(retval_uc, r0); |
| 1083 | jit_extr_uc(r0, JIT_RET); |
| 1084 | jit_dec_synth(); |
| 1085 | } |
| 1086 | |
| 1087 | void |
| 1088 | _jit_retval_s(jit_state_t *_jit, jit_int32_t r0) |
| 1089 | { |
| 1090 | jit_inc_synth_w(retval_s, r0); |
| 1091 | jit_extr_s(r0, JIT_RET); |
| 1092 | jit_dec_synth(); |
| 1093 | } |
| 1094 | |
| 1095 | void |
| 1096 | _jit_retval_us(jit_state_t *_jit, jit_int32_t r0) |
| 1097 | { |
| 1098 | jit_inc_synth_w(retval_us, r0); |
| 1099 | jit_extr_us(r0, JIT_RET); |
| 1100 | jit_dec_synth(); |
| 1101 | } |
| 1102 | |
| 1103 | void |
| 1104 | _jit_retval_i(jit_state_t *_jit, jit_int32_t r0) |
| 1105 | { |
| 1106 | jit_inc_synth_w(retval_i, r0); |
| 1107 | if (r0 != JIT_RET) |
| 1108 | jit_movr(r0, JIT_RET); |
| 1109 | jit_dec_synth(); |
| 1110 | } |
| 1111 | |
| 1112 | void |
| 1113 | _jit_retval_f(jit_state_t *_jit, jit_int32_t r0) |
| 1114 | { |
| 1115 | jit_inc_synth_w(retval_f, r0); |
| 1116 | if (jit_cpu.abi) { |
| 1117 | if (r0 != JIT_FRET) |
| 1118 | jit_movr_f(r0, JIT_FRET); |
| 1119 | } |
| 1120 | else if (r0 != JIT_RET) |
| 1121 | jit_movr_w_f(r0, JIT_RET); |
| 1122 | jit_dec_synth(); |
| 1123 | } |
| 1124 | |
| 1125 | void |
| 1126 | _jit_retval_d(jit_state_t *_jit, jit_int32_t r0) |
| 1127 | { |
| 1128 | jit_inc_synth_w(retval_d, r0); |
| 1129 | if (jit_cpu.abi) { |
| 1130 | if (r0 != JIT_FRET) |
| 1131 | jit_movr_d(r0, JIT_FRET); |
| 1132 | } |
| 1133 | else if (r0 != JIT_RET) |
| 1134 | jit_movr_ww_d(r0, JIT_RET, _R1); |
| 1135 | jit_dec_synth(); |
| 1136 | } |
| 1137 | |
| 1138 | jit_pointer_t |
| 1139 | _emit_code(jit_state_t *_jit) |
| 1140 | { |
| 1141 | jit_node_t *node; |
| 1142 | jit_node_t *temp; |
| 1143 | jit_word_t word; |
| 1144 | jit_int32_t value; |
| 1145 | jit_int32_t offset; |
| 1146 | struct { |
| 1147 | jit_node_t *node; |
| 1148 | jit_uint8_t *data; |
| 1149 | jit_word_t word; |
| 1150 | #if DEVEL_DISASSEMBLER |
| 1151 | jit_word_t prevw; |
| 1152 | #endif |
| 1153 | jit_uword_t thumb; |
| 1154 | #if DISASSEMBLER |
| 1155 | jit_int32_t info_offset; |
| 1156 | #endif |
| 1157 | jit_int32_t const_offset; |
| 1158 | jit_int32_t patch_offset; |
| 1159 | } undo; |
| 1160 | #if DEVEL_DISASSEMBLER |
| 1161 | jit_word_t prevw; |
| 1162 | #endif |
| 1163 | |
| 1164 | _jitc->function = NULL; |
| 1165 | _jitc->thumb = 0; |
| 1166 | |
| 1167 | jit_reglive_setup(); |
| 1168 | |
| 1169 | _jitc->consts.data = NULL; |
| 1170 | _jitc->consts.offset = _jitc->consts.length = 0; |
| 1171 | |
| 1172 | undo.word = 0; |
| 1173 | undo.node = NULL; |
| 1174 | undo.data = NULL; |
| 1175 | undo.thumb = 0; |
| 1176 | #if DISASSEMBLER |
| 1177 | undo.info_offset = |
| 1178 | #endif |
| 1179 | undo.const_offset = undo.patch_offset = 0; |
| 1180 | # define assert_data(node) /**/ |
| 1181 | #define case_rr(name, type) \ |
| 1182 | case jit_code_##name##r##type: \ |
| 1183 | name##r##type(rn(node->u.w), rn(node->v.w)); \ |
| 1184 | break |
| 1185 | #define case_rw(name, type) \ |
| 1186 | case jit_code_##name##i##type: \ |
| 1187 | name##i##type(rn(node->u.w), node->v.w); \ |
| 1188 | break |
| 1189 | #define case_vv(name, type) \ |
| 1190 | case jit_code_##name##r##type: \ |
| 1191 | if (jit_swf_p()) \ |
| 1192 | swf_##name##r##type(rn(node->u.w), rn(node->v.w)); \ |
| 1193 | else \ |
| 1194 | vfp_##name##r##type(rn(node->u.w), rn(node->v.w)); \ |
| 1195 | break |
| 1196 | #define case_vw(name, type) \ |
| 1197 | case jit_code_##name##i##type: \ |
| 1198 | if (jit_swf_p()) \ |
| 1199 | swf_##name##i##type(rn(node->u.w), node->v.w); \ |
| 1200 | else \ |
| 1201 | vfp_##name##i##type(rn(node->u.w), node->v.w); \ |
| 1202 | break |
| 1203 | #define case_wr(name, type) \ |
| 1204 | case jit_code_##name##i##type: \ |
| 1205 | name##i##type(node->u.w, rn(node->v.w)); \ |
| 1206 | break |
| 1207 | #define case_wv(name, type) \ |
| 1208 | case jit_code_##name##i##type: \ |
| 1209 | if (jit_swf_p()) \ |
| 1210 | swf_##name##i##type(node->u.w, rn(node->v.w)); \ |
| 1211 | else \ |
| 1212 | vfp_##name##i##type(node->u.w, rn(node->v.w)); \ |
| 1213 | break |
| 1214 | #define case_rrr(name, type) \ |
| 1215 | case jit_code_##name##r##type: \ |
| 1216 | name##r##type(rn(node->u.w), \ |
| 1217 | rn(node->v.w), rn(node->w.w)); \ |
| 1218 | break |
| 1219 | #define case_rrrr(name, type) \ |
| 1220 | case jit_code_##name##r##type: \ |
| 1221 | name##r##type(rn(node->u.q.l), rn(node->u.q.h), \ |
| 1222 | rn(node->v.w), rn(node->w.w)); \ |
| 1223 | break |
| 1224 | #define case_vvv(name, type) \ |
| 1225 | case jit_code_##name##r##type: \ |
| 1226 | if (jit_swf_p()) \ |
| 1227 | swf_##name##r##type(rn(node->u.w), \ |
| 1228 | rn(node->v.w), rn(node->w.w)); \ |
| 1229 | else \ |
| 1230 | vfp_##name##r##type(rn(node->u.w), \ |
| 1231 | rn(node->v.w), rn(node->w.w)); \ |
| 1232 | break |
| 1233 | #define case_rrw(name, type) \ |
| 1234 | case jit_code_##name##i##type: \ |
| 1235 | name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \ |
| 1236 | break |
| 1237 | #define case_rrrw(name, type) \ |
| 1238 | case jit_code_##name##i##type: \ |
| 1239 | name##i##type(rn(node->u.q.l), rn(node->u.q.h), \ |
| 1240 | rn(node->v.w), node->w.w); \ |
| 1241 | break |
| 1242 | #define case_vvw(name, type) \ |
| 1243 | case jit_code_##name##i##type: \ |
| 1244 | if (jit_swf_p()) \ |
| 1245 | swf_##name##i##type(rn(node->u.w), \ |
| 1246 | rn(node->v.w), node->w.w); \ |
| 1247 | else \ |
| 1248 | vfp_##name##i##type(rn(node->u.w), \ |
| 1249 | rn(node->v.w), node->w.w); \ |
| 1250 | break |
| 1251 | #define case_vvf(name) \ |
| 1252 | case jit_code_##name##i_f: \ |
| 1253 | assert_data(node); \ |
| 1254 | if (jit_swf_p()) \ |
| 1255 | swf_##name##i_f(rn(node->u.w), rn(node->v.w), \ |
| 1256 | node->w.f); \ |
| 1257 | else \ |
| 1258 | vfp_##name##i_f(rn(node->u.w), rn(node->v.w), \ |
| 1259 | node->w.f); \ |
| 1260 | break |
| 1261 | #define case_vvd(name) \ |
| 1262 | case jit_code_##name##i_d: \ |
| 1263 | assert_data(node); \ |
| 1264 | if (jit_swf_p()) \ |
| 1265 | swf_##name##i_d(rn(node->u.w), rn(node->v.w), \ |
| 1266 | node->w.d); \ |
| 1267 | else \ |
| 1268 | vfp_##name##i_d(rn(node->u.w), rn(node->v.w), \ |
| 1269 | node->w.d); \ |
| 1270 | break |
| 1271 | #define case_wrr(name, type) \ |
| 1272 | case jit_code_##name##i##type: \ |
| 1273 | name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \ |
| 1274 | break |
| 1275 | #define case_wvv(name, type) \ |
| 1276 | case jit_code_##name##i##type: \ |
| 1277 | if (jit_swf_p()) \ |
| 1278 | swf_##name##i##type(node->u.w, \ |
| 1279 | rn(node->v.w), rn(node->w.w)); \ |
| 1280 | else \ |
| 1281 | vfp_##name##i##type(node->u.w, \ |
| 1282 | rn(node->v.w), rn(node->w.w)); \ |
| 1283 | break |
| 1284 | #define case_brr(name, type) \ |
| 1285 | case jit_code_##name##r##type: \ |
| 1286 | temp = node->u.n; \ |
| 1287 | assert(temp->code == jit_code_label || \ |
| 1288 | temp->code == jit_code_epilog); \ |
| 1289 | if (temp->flag & jit_flag_patch) \ |
| 1290 | name##r##type(temp->u.w, rn(node->v.w), \ |
| 1291 | rn(node->w.w)); \ |
| 1292 | else { \ |
| 1293 | word = name##r##type(_jit->pc.w, \ |
| 1294 | rn(node->v.w), rn(node->w.w)); \ |
| 1295 | patch(word, node); \ |
| 1296 | } \ |
| 1297 | break |
| 1298 | #define case_bvv(name, type) \ |
| 1299 | case jit_code_##name##r##type: \ |
| 1300 | temp = node->u.n; \ |
| 1301 | assert(temp->code == jit_code_label || \ |
| 1302 | temp->code == jit_code_epilog); \ |
| 1303 | if (temp->flag & jit_flag_patch) { \ |
| 1304 | if (jit_swf_p()) \ |
| 1305 | swf_##name##r##type(temp->u.w, rn(node->v.w), \ |
| 1306 | rn(node->w.w)); \ |
| 1307 | else \ |
| 1308 | vfp_##name##r##type(temp->u.w, rn(node->v.w), \ |
| 1309 | rn(node->w.w)); \ |
| 1310 | } \ |
| 1311 | else { \ |
| 1312 | if (jit_swf_p()) \ |
| 1313 | word = swf_##name##r##type(_jit->pc.w, \ |
| 1314 | rn(node->v.w), \ |
| 1315 | rn(node->w.w)); \ |
| 1316 | else \ |
| 1317 | word = vfp_##name##r##type(_jit->pc.w, \ |
| 1318 | rn(node->v.w), \ |
| 1319 | rn(node->w.w)); \ |
| 1320 | patch(word, node); \ |
| 1321 | } \ |
| 1322 | break |
| 1323 | #define case_brw(name, type) \ |
| 1324 | case jit_code_##name##i##type: \ |
| 1325 | temp = node->u.n; \ |
| 1326 | assert(temp->code == jit_code_label || \ |
| 1327 | temp->code == jit_code_epilog); \ |
| 1328 | if (temp->flag & jit_flag_patch) \ |
| 1329 | name##i##type(temp->u.w, \ |
| 1330 | rn(node->v.w), node->w.w); \ |
| 1331 | else { \ |
| 1332 | word = name##i##type(_jit->pc.w, \ |
| 1333 | rn(node->v.w), node->w.w); \ |
| 1334 | patch(word, node); \ |
| 1335 | } \ |
| 1336 | break; |
| 1337 | #define case_bvf(name) \ |
| 1338 | case jit_code_##name##i_f: \ |
| 1339 | temp = node->u.n; \ |
| 1340 | assert(temp->code == jit_code_label || \ |
| 1341 | temp->code == jit_code_epilog); \ |
| 1342 | if (temp->flag & jit_flag_patch) { \ |
| 1343 | if (jit_swf_p()) \ |
| 1344 | swf_##name##i_f(temp->u.w, rn(node->v.w), \ |
| 1345 | node->w.f); \ |
| 1346 | else \ |
| 1347 | vfp_##name##i_f(temp->u.w, rn(node->v.w), \ |
| 1348 | node->w.f); \ |
| 1349 | } \ |
| 1350 | else { \ |
| 1351 | if (jit_swf_p()) \ |
| 1352 | word = swf_##name##i_f(_jit->pc.w, \ |
| 1353 | rn(node->v.w), \ |
| 1354 | node->w.f); \ |
| 1355 | else \ |
| 1356 | word = vfp_##name##i_f(_jit->pc.w, \ |
| 1357 | rn(node->v.w), \ |
| 1358 | node->w.f); \ |
| 1359 | patch(word, node); \ |
| 1360 | } \ |
| 1361 | break |
| 1362 | #define case_bvd(name) \ |
| 1363 | case jit_code_##name##i_d: \ |
| 1364 | temp = node->u.n; \ |
| 1365 | assert(temp->code == jit_code_label || \ |
| 1366 | temp->code == jit_code_epilog); \ |
| 1367 | if (temp->flag & jit_flag_patch) { \ |
| 1368 | if (jit_swf_p()) \ |
| 1369 | swf_##name##i_d(temp->u.w, rn(node->v.w), \ |
| 1370 | node->w.d); \ |
| 1371 | else \ |
| 1372 | vfp_##name##i_d(temp->u.w, rn(node->v.w), \ |
| 1373 | node->w.d); \ |
| 1374 | } \ |
| 1375 | else { \ |
| 1376 | if (jit_swf_p()) \ |
| 1377 | word = swf_##name##i_d(_jit->pc.w, \ |
| 1378 | rn(node->v.w), \ |
| 1379 | node->w.d); \ |
| 1380 | else \ |
| 1381 | word = vfp_##name##i_d(_jit->pc.w, \ |
| 1382 | rn(node->v.w), \ |
| 1383 | node->w.d); \ |
| 1384 | patch(word, node); \ |
| 1385 | } \ |
| 1386 | break |
| 1387 | #if DEVEL_DISASSEMBLER |
| 1388 | prevw = _jit->pc.w; |
| 1389 | #endif |
| 1390 | for (node = _jitc->head; node; node = node->next) { |
| 1391 | if (_jit->pc.uc >= _jitc->code.end) |
| 1392 | return (NULL); |
| 1393 | |
| 1394 | #if DEVEL_DISASSEMBLER |
| 1395 | node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw; |
| 1396 | prevw = _jit->pc.w; |
| 1397 | #endif |
| 1398 | value = jit_classify(node->code); |
| 1399 | jit_regarg_set(node, value); |
| 1400 | switch (node->code) { |
| 1401 | case jit_code_align: |
| 1402 | assert(!(node->u.w & (node->u.w - 1)) && |
| 1403 | node->u.w <= sizeof(jit_word_t)); |
| 1404 | if (node->u.w == sizeof(jit_word_t) && |
| 1405 | (word = _jit->pc.w & (sizeof(jit_word_t) - 1))) |
| 1406 | nop(sizeof(jit_word_t) - word); |
| 1407 | break; |
| 1408 | case jit_code_note: case jit_code_name: |
| 1409 | if (must_align_p(node->next)) |
| 1410 | nop(2); |
| 1411 | node->u.w = _jit->pc.w; |
| 1412 | break; |
| 1413 | case jit_code_label: |
| 1414 | if (must_align_p(node->next)) |
| 1415 | nop(2); |
| 1416 | /* remember label is defined */ |
| 1417 | node->flag |= jit_flag_patch; |
| 1418 | node->u.w = _jit->pc.w; |
| 1419 | break; |
| 1420 | case_rrr(add,); |
| 1421 | case_rrw(add,); |
| 1422 | case_rrr(addc,); |
| 1423 | case_rrw(addc,); |
| 1424 | case_rrr(addx,); |
| 1425 | case_rrw(addx,); |
| 1426 | case_rrr(sub,); |
| 1427 | case_rrw(sub,); |
| 1428 | case_rrr(subc,); |
| 1429 | case_rrw(subc,); |
| 1430 | case_rrr(subx,); |
| 1431 | case_rrw(subx,); |
| 1432 | case_rrw(rsb,); |
| 1433 | case_rrr(mul,); |
| 1434 | case_rrw(mul,); |
| 1435 | case_rrrr(qmul,); |
| 1436 | case_rrrw(qmul,); |
| 1437 | case_rrrr(qmul, _u); |
| 1438 | case_rrrw(qmul, _u); |
| 1439 | case_rrr(div,); |
| 1440 | case_rrw(div,); |
| 1441 | case_rrr(div, _u); |
| 1442 | case_rrw(div, _u); |
| 1443 | case_rrrr(qdiv,); |
| 1444 | case_rrrw(qdiv,); |
| 1445 | case_rrrr(qdiv, _u); |
| 1446 | case_rrrw(qdiv, _u); |
| 1447 | case_rrr(rem,); |
| 1448 | case_rrw(rem,); |
| 1449 | case_rrr(rem, _u); |
| 1450 | case_rrw(rem, _u); |
| 1451 | case_rrr(lsh,); |
| 1452 | case_rrw(lsh,); |
| 1453 | case_rrr(rsh,); |
| 1454 | case_rrw(rsh,); |
| 1455 | case_rrr(rsh, _u); |
| 1456 | case_rrw(rsh, _u); |
| 1457 | case_rr(neg,); |
| 1458 | case_rr(com,); |
| 1459 | case_rrr(and,); |
| 1460 | case_rrw(and,); |
| 1461 | case_rrr(or,); |
| 1462 | case_rrw(or,); |
| 1463 | case_rrr(xor,); |
| 1464 | case_rrw(xor,); |
| 1465 | case_vv(trunc, _f_i); |
| 1466 | case_vv(trunc, _d_i); |
| 1467 | case_rr(ld, _c); |
| 1468 | case_rw(ld, _c); |
| 1469 | case_rr(ld, _uc); |
| 1470 | case_rw(ld, _uc); |
| 1471 | case_rr(ld, _s); |
| 1472 | case_rw(ld, _s); |
| 1473 | case_rr(ld, _us); |
| 1474 | case_rw(ld, _us); |
| 1475 | case_rr(ld, _i); |
| 1476 | case_rw(ld, _i); |
| 1477 | case_rrr(ldx, _c); |
| 1478 | case_rrw(ldx, _c); |
| 1479 | case_rrr(ldx, _uc); |
| 1480 | case_rrw(ldx, _uc); |
| 1481 | case_rrr(ldx, _s); |
| 1482 | case_rrw(ldx, _s); |
| 1483 | case_rrr(ldx, _us); |
| 1484 | case_rrw(ldx, _us); |
| 1485 | case_rrr(ldx, _i); |
| 1486 | case_rrw(ldx, _i); |
| 1487 | case_rr(st, _c); |
| 1488 | case_wr(st, _c); |
| 1489 | case_rr(st, _s); |
| 1490 | case_wr(st, _s); |
| 1491 | case_rr(st, _i); |
| 1492 | case_wr(st, _i); |
| 1493 | case_rrr(stx, _c); |
| 1494 | case_wrr(stx, _c); |
| 1495 | case_rrr(stx, _s); |
| 1496 | case_wrr(stx, _s); |
| 1497 | case_rrr(stx, _i); |
| 1498 | case_wrr(stx, _i); |
| 1499 | case_rr(hton, _us); |
| 1500 | case_rr(hton, _ui); |
| 1501 | case_rr(ext, _c); |
| 1502 | case_rr(ext, _uc); |
| 1503 | case_rr(ext, _s); |
| 1504 | case_rr(ext, _us); |
| 1505 | case_rr(mov,); |
| 1506 | case_rrr(movn,); |
| 1507 | case_rrr(movz,); |
| 1508 | case jit_code_movi: |
| 1509 | if (node->flag & jit_flag_node) { |
| 1510 | temp = node->v.n; |
| 1511 | if (temp->code == jit_code_data || |
| 1512 | (temp->code == jit_code_label && |
| 1513 | (temp->flag & jit_flag_patch))) |
| 1514 | movi(rn(node->u.w), temp->u.w); |
| 1515 | else { |
| 1516 | assert(temp->code == jit_code_label || |
| 1517 | temp->code == jit_code_epilog); |
| 1518 | word = movi_p(rn(node->u.w), temp->u.w); |
| 1519 | patch(word, node); |
| 1520 | } |
| 1521 | } |
| 1522 | else |
| 1523 | movi(rn(node->u.w), node->v.w); |
| 1524 | break; |
| 1525 | case_rrr(lt,); |
| 1526 | case_rrw(lt,); |
| 1527 | case_rrr(lt, _u); |
| 1528 | case_rrw(lt, _u); |
| 1529 | case_rrr(le,); |
| 1530 | case_rrw(le,); |
| 1531 | case_rrr(le, _u); |
| 1532 | case_rrw(le, _u); |
| 1533 | case_rrr(eq,); |
| 1534 | case_rrw(eq,); |
| 1535 | case_rrr(ge,); |
| 1536 | case_rrw(ge,); |
| 1537 | case_rrr(ge, _u); |
| 1538 | case_rrw(ge, _u); |
| 1539 | case_rrr(gt,); |
| 1540 | case_rrw(gt,); |
| 1541 | case_rrr(gt, _u); |
| 1542 | case_rrw(gt, _u); |
| 1543 | case_rrr(ne,); |
| 1544 | case_rrw(ne,); |
| 1545 | case_brr(blt,); |
| 1546 | case_brw(blt,); |
| 1547 | case_brr(blt, _u); |
| 1548 | case_brw(blt, _u); |
| 1549 | case_brr(ble,); |
| 1550 | case_brw(ble,); |
| 1551 | case_brr(ble, _u); |
| 1552 | case_brw(ble, _u); |
| 1553 | case_brr(beq,); |
| 1554 | case_brw(beq,); |
| 1555 | case_brr(bge,); |
| 1556 | case_brw(bge,); |
| 1557 | case_brr(bge, _u); |
| 1558 | case_brw(bge, _u); |
| 1559 | case_brr(bgt,); |
| 1560 | case_brw(bgt,); |
| 1561 | case_brr(bgt, _u); |
| 1562 | case_brw(bgt, _u); |
| 1563 | case_brr(bne,); |
| 1564 | case_brw(bne,); |
| 1565 | case_brr(boadd,); |
| 1566 | case_brw(boadd,); |
| 1567 | case_brr(boadd, _u); |
| 1568 | case_brw(boadd, _u); |
| 1569 | case_brr(bxadd,); |
| 1570 | case_brw(bxadd,); |
| 1571 | case_brr(bxadd, _u); |
| 1572 | case_brw(bxadd, _u); |
| 1573 | case_brr(bosub,); |
| 1574 | case_brw(bosub,); |
| 1575 | case_brr(bosub, _u); |
| 1576 | case_brw(bosub, _u); |
| 1577 | case_brr(bxsub,); |
| 1578 | case_brw(bxsub,); |
| 1579 | case_brr(bxsub, _u); |
| 1580 | case_brw(bxsub, _u); |
| 1581 | case_brr(bms,); |
| 1582 | case_brw(bms,); |
| 1583 | case_brr(bmc,); |
| 1584 | case_brw(bmc,); |
| 1585 | case_vvv(add, _f); |
| 1586 | case_vvf(add); |
| 1587 | case_vvv(sub, _f); |
| 1588 | case_vvf(sub); |
| 1589 | case_vvf(rsb); |
| 1590 | case_vvv(mul, _f); |
| 1591 | case_vvf(mul); |
| 1592 | case_vvv(div, _f); |
| 1593 | case_vvf(div); |
| 1594 | case_vv(abs, _f); |
| 1595 | case_vv(neg, _f); |
| 1596 | case_vv(sqrt, _f); |
| 1597 | case_vv(ext, _f); |
| 1598 | case_vv(ld, _f); |
| 1599 | case_vw(ld, _f); |
| 1600 | case_vvv(ldx, _f); |
| 1601 | case_vvw(ldx, _f); |
| 1602 | case_vv(st, _f); |
| 1603 | case_wv(st, _f); |
| 1604 | case_vvv(stx, _f); |
| 1605 | case_wvv(stx, _f); |
| 1606 | case_vv(mov, _f); |
| 1607 | case jit_code_movi_f: |
| 1608 | assert_data(node); |
| 1609 | if (jit_swf_p()) |
| 1610 | swf_movi_f(rn(node->u.w), node->v.f); |
| 1611 | else |
| 1612 | vfp_movi_f(rn(node->u.w), node->v.f); |
| 1613 | break; |
| 1614 | case_vv(ext, _d_f); |
| 1615 | case_vvv(lt, _f); |
| 1616 | case_vvf(lt); |
| 1617 | case_vvv(le, _f); |
| 1618 | case_vvf(le); |
| 1619 | case_vvv(eq, _f); |
| 1620 | case_vvf(eq); |
| 1621 | case_vvv(ge, _f); |
| 1622 | case_vvf(ge); |
| 1623 | case_vvv(gt, _f); |
| 1624 | case_vvf(gt); |
| 1625 | case_vvv(ne, _f); |
| 1626 | case_vvf(ne); |
| 1627 | case_vvv(unlt, _f); |
| 1628 | case_vvf(unlt); |
| 1629 | case_vvv(unle, _f); |
| 1630 | case_vvf(unle); |
| 1631 | case_vvv(uneq, _f); |
| 1632 | case_vvf(uneq); |
| 1633 | case_vvv(unge, _f); |
| 1634 | case_vvf(unge); |
| 1635 | case_vvv(ungt, _f); |
| 1636 | case_vvf(ungt); |
| 1637 | case_vvv(ltgt, _f); |
| 1638 | case_vvf(ltgt); |
| 1639 | case_vvv(ord, _f); |
| 1640 | case_vvf(ord); |
| 1641 | case_vvv(unord, _f); |
| 1642 | case_vvf(unord); |
| 1643 | case_bvv(blt, _f); |
| 1644 | case_bvf(blt); |
| 1645 | case_bvv(ble, _f); |
| 1646 | case_bvf(ble); |
| 1647 | case_bvv(beq, _f); |
| 1648 | case_bvf(beq); |
| 1649 | case_bvv(bge, _f); |
| 1650 | case_bvf(bge); |
| 1651 | case_bvv(bgt, _f); |
| 1652 | case_bvf(bgt); |
| 1653 | case_bvv(bne, _f); |
| 1654 | case_bvf(bne); |
| 1655 | case_bvv(bunlt, _f); |
| 1656 | case_bvf(bunlt); |
| 1657 | case_bvv(bunle, _f); |
| 1658 | case_bvf(bunle); |
| 1659 | case_bvv(buneq, _f); |
| 1660 | case_bvf(buneq); |
| 1661 | case_bvv(bunge, _f); |
| 1662 | case_bvf(bunge); |
| 1663 | case_bvv(bungt, _f); |
| 1664 | case_bvf(bungt); |
| 1665 | case_bvv(bltgt, _f); |
| 1666 | case_bvf(bltgt); |
| 1667 | case_bvv(bord, _f); |
| 1668 | case_bvf(bord); |
| 1669 | case_bvv(bunord, _f); |
| 1670 | case_bvf(bunord); |
| 1671 | case_vvv(add, _d); |
| 1672 | case_vvd(add); |
| 1673 | case_vvv(sub, _d); |
| 1674 | case_vvd(sub); |
| 1675 | case_vvd(rsb); |
| 1676 | case_vvv(mul, _d); |
| 1677 | case_vvd(mul); |
| 1678 | case_vvv(div, _d); |
| 1679 | case_vvd(div); |
| 1680 | case_vv(abs, _d); |
| 1681 | case_vv(neg, _d); |
| 1682 | case_vv(sqrt, _d); |
| 1683 | case_vv(ext, _d); |
| 1684 | case_vv(ld, _d); |
| 1685 | case_vw(ld, _d); |
| 1686 | case_vvv(ldx, _d); |
| 1687 | case_vvw(ldx, _d); |
| 1688 | case_vv(st, _d); |
| 1689 | case_wv(st, _d); |
| 1690 | case_vvv(stx, _d); |
| 1691 | case_wvv(stx, _d); |
| 1692 | case_vv(mov, _d); |
| 1693 | case jit_code_movi_d: |
| 1694 | assert_data(node); |
| 1695 | if (jit_swf_p()) |
| 1696 | swf_movi_d(rn(node->u.w), node->v.d); |
| 1697 | else |
| 1698 | vfp_movi_d(rn(node->u.w), node->v.d); |
| 1699 | break; |
| 1700 | case_vv(ext, _f_d); |
| 1701 | case_vvv(lt, _d); |
| 1702 | case_vvd(lt); |
| 1703 | case_vvv(le, _d); |
| 1704 | case_vvd(le); |
| 1705 | case_vvv(eq, _d); |
| 1706 | case_vvd(eq); |
| 1707 | case_vvv(ge, _d); |
| 1708 | case_vvd(ge); |
| 1709 | case_vvv(gt, _d); |
| 1710 | case_vvd(gt); |
| 1711 | case_vvv(ne, _d); |
| 1712 | case_vvd(ne); |
| 1713 | case_vvv(unlt, _d); |
| 1714 | case_vvd(unlt); |
| 1715 | case_vvv(unle, _d); |
| 1716 | case_vvd(unle); |
| 1717 | case_vvv(uneq, _d); |
| 1718 | case_vvd(uneq); |
| 1719 | case_vvv(unge, _d); |
| 1720 | case_vvd(unge); |
| 1721 | case_vvv(ungt, _d); |
| 1722 | case_vvd(ungt); |
| 1723 | case_vvv(ltgt, _d); |
| 1724 | case_vvd(ltgt); |
| 1725 | case_vvv(ord, _d); |
| 1726 | case_vvd(ord); |
| 1727 | case_vvv(unord, _d); |
| 1728 | case_vvd(unord); |
| 1729 | case_bvv(blt, _d); |
| 1730 | case_bvd(blt); |
| 1731 | case_bvv(ble, _d); |
| 1732 | case_bvd(ble); |
| 1733 | case_bvv(beq, _d); |
| 1734 | case_bvd(beq); |
| 1735 | case_bvv(bge, _d); |
| 1736 | case_bvd(bge); |
| 1737 | case_bvv(bgt, _d); |
| 1738 | case_bvd(bgt); |
| 1739 | case_bvv(bne, _d); |
| 1740 | case_bvd(bne); |
| 1741 | case_bvv(bunlt, _d); |
| 1742 | case_bvd(bunlt); |
| 1743 | case_bvv(bunle, _d); |
| 1744 | case_bvd(bunle); |
| 1745 | case_bvv(buneq, _d); |
| 1746 | case_bvd(buneq); |
| 1747 | case_bvv(bunge, _d); |
| 1748 | case_bvd(bunge); |
| 1749 | case_bvv(bungt, _d); |
| 1750 | case_bvd(bungt); |
| 1751 | case_bvv(bltgt, _d); |
| 1752 | case_bvd(bltgt); |
| 1753 | case_bvv(bord, _d); |
| 1754 | case_bvd(bord); |
| 1755 | case_bvv(bunord, _d); |
| 1756 | case_bvd(bunord); |
| 1757 | case jit_code_jmpr: |
| 1758 | jmpr(rn(node->u.w)); |
| 1759 | flush_consts(); |
| 1760 | break; |
| 1761 | case jit_code_jmpi: |
| 1762 | if (node->flag & jit_flag_node) { |
| 1763 | temp = node->u.n; |
| 1764 | assert(temp->code == jit_code_label || |
| 1765 | temp->code == jit_code_epilog); |
| 1766 | if (temp->flag & jit_flag_patch) |
| 1767 | jmpi(temp->u.w); |
| 1768 | else { |
| 1769 | word = jmpi_p(_jit->pc.w, 1); |
| 1770 | patch(word, node); |
| 1771 | } |
| 1772 | } |
| 1773 | else |
| 1774 | jmpi(node->u.w); |
| 1775 | flush_consts(); |
| 1776 | break; |
| 1777 | case jit_code_callr: |
| 1778 | callr(rn(node->u.w)); |
| 1779 | break; |
| 1780 | case jit_code_calli: |
| 1781 | if (node->flag & jit_flag_node) { |
| 1782 | temp = node->u.n; |
| 1783 | assert(temp->code == jit_code_label || |
| 1784 | temp->code == jit_code_epilog); |
| 1785 | if (temp->flag & jit_flag_patch) |
| 1786 | calli(temp->u.w); |
| 1787 | else { |
| 1788 | word = calli_p(_jit->pc.w); |
| 1789 | patch(word, node); |
| 1790 | } |
| 1791 | } |
| 1792 | else |
| 1793 | calli(node->u.w); |
| 1794 | break; |
| 1795 | case jit_code_prolog: |
| 1796 | _jitc->function = _jitc->functions.ptr + node->w.w; |
| 1797 | undo.node = node; |
| 1798 | undo.word = _jit->pc.w; |
| 1799 | #if DEVEL_DISASSEMBLER |
| 1800 | undo.prevw = prevw; |
| 1801 | #endif |
| 1802 | undo.data = _jitc->consts.data; |
| 1803 | undo.thumb = _jitc->thumb; |
| 1804 | undo.const_offset = _jitc->consts.offset; |
| 1805 | undo.patch_offset = _jitc->patches.offset; |
| 1806 | #if DISASSEMBLER |
| 1807 | if (_jitc->data_info.ptr) |
| 1808 | undo.info_offset = _jitc->data_info.offset; |
| 1809 | #endif |
| 1810 | restart_function: |
| 1811 | _jitc->again = 0; |
| 1812 | prolog(node); |
| 1813 | break; |
| 1814 | case jit_code_epilog: |
| 1815 | assert(_jitc->function == _jitc->functions.ptr + node->w.w); |
| 1816 | if (_jitc->again) { |
| 1817 | for (temp = undo.node->next; |
| 1818 | temp != node; temp = temp->next) { |
| 1819 | if (temp->code == jit_code_label || |
| 1820 | temp->code == jit_code_epilog) |
| 1821 | temp->flag &= ~jit_flag_patch; |
| 1822 | } |
| 1823 | temp->flag &= ~jit_flag_patch; |
| 1824 | node = undo.node; |
| 1825 | _jit->pc.w = undo.word; |
| 1826 | #if DEVEL_DISASSEMBLER |
| 1827 | prevw = undo.prevw; |
| 1828 | #endif |
| 1829 | invalidate_consts(); |
| 1830 | _jitc->consts.data = undo.data; |
| 1831 | _jitc->thumb = undo.thumb; |
| 1832 | _jitc->consts.offset = undo.const_offset; |
| 1833 | _jitc->patches.offset = undo.patch_offset; |
| 1834 | #if DISASSEMBLER |
| 1835 | if (_jitc->data_info.ptr) |
| 1836 | _jitc->data_info.offset = undo.info_offset; |
| 1837 | #endif |
| 1838 | goto restart_function; |
| 1839 | } |
| 1840 | /* remember label is defined */ |
| 1841 | node->flag |= jit_flag_patch; |
| 1842 | node->u.w = _jit->pc.w; |
| 1843 | epilog(node); |
| 1844 | _jitc->function = NULL; |
| 1845 | flush_consts(); |
| 1846 | break; |
| 1847 | case jit_code_movr_w_f: |
| 1848 | if (jit_swf_p()) |
| 1849 | swf_movr_f(rn(node->u.w), rn(node->v.w)); |
| 1850 | else |
| 1851 | vfp_movr_f(rn(node->u.w), rn(node->v.w)); |
| 1852 | break; |
| 1853 | case jit_code_movr_f_w: |
| 1854 | if (jit_swf_p()) |
| 1855 | swf_movr_f(rn(node->u.w), rn(node->v.w)); |
| 1856 | else |
| 1857 | vfp_movr_f(rn(node->u.w), rn(node->v.w)); |
| 1858 | break; |
| 1859 | case jit_code_movi_f_w: |
| 1860 | assert_data(node); |
| 1861 | if (jit_swf_p()) |
| 1862 | swf_movi_f(rn(node->u.w), node->v.f); |
| 1863 | else |
| 1864 | vfp_movi_f(rn(node->u.w), node->v.f); |
| 1865 | break; |
| 1866 | case jit_code_movr_ww_d: |
| 1867 | if (jit_swf_p()) |
| 1868 | swf_movr_d(rn(node->u.w), rn(node->v.w)); |
| 1869 | else |
| 1870 | vfp_movr_d(rn(node->u.w), rn(node->v.w)); |
| 1871 | break; |
| 1872 | case jit_code_movr_d_ww: |
| 1873 | if (jit_swf_p()) |
| 1874 | swf_movr_d(rn(node->u.w), rn(node->w.w)); |
| 1875 | else |
| 1876 | vfp_movr_d(rn(node->u.w), rn(node->w.w)); |
| 1877 | break; |
| 1878 | case jit_code_movi_d_ww: |
| 1879 | assert_data(node); |
| 1880 | if (jit_swf_p()) |
| 1881 | swf_movi_d(rn(node->u.w), node->w.d); |
| 1882 | else |
| 1883 | vfp_movi_d(rn(node->u.w), node->w.d); |
| 1884 | break; |
| 1885 | case jit_code_va_start: |
| 1886 | vastart(rn(node->u.w)); |
| 1887 | break; |
| 1888 | case jit_code_va_arg: |
| 1889 | vaarg(rn(node->u.w), rn(node->v.w)); |
| 1890 | break; |
| 1891 | case jit_code_va_arg_d: |
| 1892 | if (jit_swf_p()) |
| 1893 | swf_vaarg_d(rn(node->u.w), rn(node->v.w)); |
| 1894 | else |
| 1895 | vfp_vaarg_d(rn(node->u.w), rn(node->v.w)); |
| 1896 | break; |
| 1897 | case jit_code_live: case jit_code_ellipsis: |
| 1898 | case jit_code_va_push: |
| 1899 | case jit_code_allocai: case jit_code_allocar: |
| 1900 | case jit_code_arg: |
| 1901 | case jit_code_arg_f: case jit_code_arg_d: |
| 1902 | case jit_code_va_end: |
| 1903 | case jit_code_ret: |
| 1904 | case jit_code_retr: case jit_code_reti: |
| 1905 | case jit_code_retr_f: case jit_code_reti_f: |
| 1906 | case jit_code_retr_d: case jit_code_reti_d: |
| 1907 | case jit_code_getarg_c: case jit_code_getarg_uc: |
| 1908 | case jit_code_getarg_s: case jit_code_getarg_us: |
| 1909 | case jit_code_getarg_i: |
| 1910 | case jit_code_getarg_f: case jit_code_getarg_d: |
| 1911 | case jit_code_putargr: case jit_code_putargi: |
| 1912 | case jit_code_putargr_f: case jit_code_putargi_f: |
| 1913 | case jit_code_putargr_d: case jit_code_putargi_d: |
| 1914 | case jit_code_pushargr: case jit_code_pushargi: |
| 1915 | case jit_code_pushargr_f: case jit_code_pushargi_f: |
| 1916 | case jit_code_pushargr_d: case jit_code_pushargi_d: |
| 1917 | case jit_code_retval_c: case jit_code_retval_uc: |
| 1918 | case jit_code_retval_s: case jit_code_retval_us: |
| 1919 | case jit_code_retval_i: |
| 1920 | case jit_code_retval_f: case jit_code_retval_d: |
| 1921 | case jit_code_prepare: |
| 1922 | case jit_code_finishr: case jit_code_finishi: |
| 1923 | break; |
| 1924 | default: |
| 1925 | abort(); |
| 1926 | } |
| 1927 | jit_regarg_clr(node, value); |
| 1928 | assert(_jitc->regarg == 0 && _jitc->synth == 0); |
| 1929 | /* update register live state */ |
| 1930 | jit_reglive(node); |
| 1931 | |
| 1932 | if (_jitc->consts.length && |
| 1933 | (_jit->pc.uc - _jitc->consts.data >= 3968 || |
| 1934 | (jit_uword_t)_jit->pc.uc - |
| 1935 | (jit_uword_t)_jitc->consts.patches[0] >= 3968)) { |
| 1936 | /* longest sequence should be 64 bytes, but preventively |
| 1937 | * do not let it go past 128 remaining bytes before a flush */ |
| 1938 | if (node->next && |
| 1939 | node->next->code != jit_code_jmpi && |
| 1940 | node->next->code != jit_code_jmpr && |
| 1941 | node->next->code != jit_code_epilog) { |
| 1942 | /* insert a jump, flush constants and continue */ |
| 1943 | word = _jit->pc.w; |
| 1944 | assert(!jit_thumb_p()); |
| 1945 | B(0); |
| 1946 | flush_consts(); |
| 1947 | patch_at(arm_patch_jump, word, _jit->pc.w); |
| 1948 | } |
| 1949 | } |
| 1950 | } |
| 1951 | #undef case_bvd |
| 1952 | #undef case_bvf |
| 1953 | #undef case_brw |
| 1954 | #undef case_bvv |
| 1955 | #undef case_brr |
| 1956 | #undef case_wvv |
| 1957 | #undef case_wrr |
| 1958 | #undef case_vvd |
| 1959 | #undef case_vvf |
| 1960 | #undef case_vvw |
| 1961 | #undef case_rrw |
| 1962 | #undef case_vvv |
| 1963 | #undef case_rrr |
| 1964 | #undef case_wv |
| 1965 | #undef case_wr |
| 1966 | #undef case_vw |
| 1967 | #undef case_vv |
| 1968 | #undef case_rw |
| 1969 | #undef case_rr |
| 1970 | |
| 1971 | flush_consts(); |
| 1972 | for (offset = 0; offset < _jitc->patches.offset; offset++) { |
| 1973 | assert(_jitc->patches.ptr[offset].kind & arm_patch_node); |
| 1974 | node = _jitc->patches.ptr[offset].node; |
| 1975 | word = _jitc->patches.ptr[offset].inst; |
| 1976 | if (!jit_thumb_p() && |
| 1977 | (node->code == jit_code_movi || node->code == jit_code_calli)) { |
| 1978 | /* calculate where to patch word */ |
| 1979 | value = *(jit_int32_t *)word; |
| 1980 | assert((value & 0x0f700000) == ARM_LDRI); |
| 1981 | /* offset may become negative (-4) if last instruction |
| 1982 | * before unconditional branch and data following |
| 1983 | * FIXME can this cause issues in the preprocessor prefetch |
| 1984 | * or something else? should not, as the constants are after |
| 1985 | * an unconditional jump */ |
| 1986 | if (value & ARM_P) value = value & 0x00000fff; |
| 1987 | else value = -(value & 0x00000fff); |
| 1988 | word = word + 8 + value; |
| 1989 | } |
| 1990 | value = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w; |
| 1991 | patch_at(_jitc->patches.ptr[offset].kind & ~arm_patch_node, word, value); |
| 1992 | } |
| 1993 | |
| 1994 | jit_flush(_jit->code.ptr, _jit->pc.uc); |
| 1995 | |
| 1996 | return (_jit->code.ptr); |
| 1997 | } |
| 1998 | |
| 1999 | #define CODE 1 |
| 2000 | # include "jit_rewind.c" |
| 2001 | # include "jit_arm-cpu.c" |
| 2002 | # include "jit_arm-swf.c" |
| 2003 | # include "jit_arm-vfp.c" |
| 2004 | #undef CODE |
| 2005 | |
| 2006 | void |
| 2007 | jit_flush(void *fptr, void *tptr) |
| 2008 | { |
| 2009 | #if defined(__GNUC__) |
| 2010 | jit_uword_t i, f, t, s; |
| 2011 | |
| 2012 | s = sysconf(_SC_PAGE_SIZE); |
| 2013 | f = (jit_uword_t)fptr & -s; |
| 2014 | t = (((jit_uword_t)tptr) + s - 1) & -s; |
| 2015 | for (i = f; i < t; i += s) |
| 2016 | __clear_cache((void *)i, (void *)(i + s)); |
| 2017 | #endif |
| 2018 | } |
| 2019 | |
| 2020 | void |
| 2021 | _emit_ldxi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) |
| 2022 | { |
| 2023 | ldxi_i(rn(r0), rn(r1), i0); |
| 2024 | } |
| 2025 | |
| 2026 | void |
| 2027 | _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) |
| 2028 | { |
| 2029 | stxi_i(i0, rn(r0), rn(r1)); |
| 2030 | } |
| 2031 | |
| 2032 | void |
| 2033 | _emit_ldxi_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) |
| 2034 | { |
| 2035 | if (jit_swf_p()) |
| 2036 | swf_ldxi_d(rn(r0), rn(r1), i0); |
| 2037 | else |
| 2038 | vfp_ldxi_d(rn(r0), rn(r1), i0); |
| 2039 | } |
| 2040 | |
| 2041 | void |
| 2042 | _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) |
| 2043 | { |
| 2044 | if (jit_swf_p()) |
| 2045 | swf_stxi_d(i0, rn(r0), rn(r1)); |
| 2046 | else |
| 2047 | vfp_stxi_d(i0, rn(r0), rn(r1)); |
| 2048 | } |
| 2049 | |
| 2050 | static jit_int32_t |
| 2051 | _jit_get_reg_pair(jit_state_t *_jit) |
| 2052 | { |
| 2053 | /* bypass jit_get_reg() with argument or'ed with jit_class_chk |
| 2054 | * and try to find an consecutive, even free register pair, or |
| 2055 | * return JIT_NOREG if fail, as the cost of spills is greater |
| 2056 | * than splitting a double load/store in two operations. */ |
| 2057 | if (jit_reg_free_p(_R0) && jit_reg_free_p(_R1)) { |
| 2058 | jit_regset_setbit(&_jitc->regarg, _R0); |
| 2059 | jit_regset_setbit(&_jitc->regarg, _R1); |
| 2060 | return (_R0); |
| 2061 | } |
| 2062 | if (jit_reg_free_p(_R2) && jit_reg_free_p(_R3)) { |
| 2063 | jit_regset_setbit(&_jitc->regarg, _R2); |
| 2064 | jit_regset_setbit(&_jitc->regarg, _R3); |
| 2065 | return (_R2); |
| 2066 | } |
| 2067 | if (jit_reg_free_p(_R4) && jit_reg_free_p(_R5)) { |
| 2068 | jit_regset_setbit(&_jitc->regarg, _R4); |
| 2069 | jit_regset_setbit(&_jitc->regarg, _R5); |
| 2070 | return (_R4); |
| 2071 | } |
| 2072 | if (jit_reg_free_p(_R6) && jit_reg_free_p(_R7)) { |
| 2073 | jit_regset_setbit(&_jitc->regarg, _R6); |
| 2074 | jit_regset_setbit(&_jitc->regarg, _R7); |
| 2075 | return (_R6); |
| 2076 | } |
| 2077 | if (jit_reg_free_p(_R8) && jit_reg_free_p(_R9)) { |
| 2078 | jit_regset_setbit(&_jitc->regarg, _R8); |
| 2079 | jit_regset_setbit(&_jitc->regarg, _R9); |
| 2080 | return (_R8); |
| 2081 | } |
| 2082 | return (JIT_NOREG); |
| 2083 | } |
| 2084 | |
| 2085 | static void |
| 2086 | _jit_unget_reg_pair(jit_state_t *_jit, jit_int32_t reg) |
| 2087 | { |
| 2088 | jit_unget_reg(reg); |
| 2089 | switch (reg) { |
| 2090 | case _R0: jit_unget_reg(_R1); break; |
| 2091 | case _R2: jit_unget_reg(_R3); break; |
| 2092 | case _R4: jit_unget_reg(_R5); break; |
| 2093 | case _R6: jit_unget_reg(_R7); break; |
| 2094 | case _R8: jit_unget_reg(_R9); break; |
| 2095 | default: abort(); |
| 2096 | } |
| 2097 | } |
| 2098 | |
| 2099 | /* A prolog must be aligned at mod 4 bytes boundary. |
| 2100 | * This condition was not being required to be tested by |
| 2101 | * accident previously, but with the jit_frame and jit_tramp |
| 2102 | * code it is required */ |
| 2103 | static jit_bool_t |
| 2104 | _must_align_p(jit_state_t *_jit, jit_node_t *node) |
| 2105 | { |
| 2106 | if (jit_thumb_p() && (_jit->pc.w & 3)) { |
| 2107 | for (; node; node = node->next) { |
| 2108 | switch (node->code) { |
| 2109 | case jit_code_note: |
| 2110 | case jit_code_name: |
| 2111 | case jit_code_label: |
| 2112 | break; |
| 2113 | case jit_code_prolog: |
| 2114 | return (1); |
| 2115 | default: |
| 2116 | return (0); |
| 2117 | } |
| 2118 | } |
| 2119 | } |
| 2120 | return (0); |
| 2121 | } |
| 2122 | |
| 2123 | static void |
| 2124 | _load_const(jit_state_t *_jit, jit_bool_t uniq, jit_int32_t r0, jit_word_t i0) |
| 2125 | { |
| 2126 | jit_word_t w; |
| 2127 | jit_word_t d; |
| 2128 | jit_word_t base; |
| 2129 | jit_int32_t *data; |
| 2130 | jit_int32_t size; |
| 2131 | jit_int32_t offset; |
| 2132 | |
| 2133 | assert(!jit_thumb_p()); |
| 2134 | if (!uniq) { |
| 2135 | /* use zero, a valid directly encoded immediate, to avoid the |
| 2136 | * need of a bitmask to know what offsets will be patched, so |
| 2137 | * that comparison will always fail for constants that cannot |
| 2138 | * be encoded */ |
| 2139 | assert(i0 != 0); |
| 2140 | |
| 2141 | /* Actually, code is (currently at least) not self modifying, |
| 2142 | * so, any value reachable backwards is valid as a constant. */ |
| 2143 | |
| 2144 | /* FIXME a quickly updateable/mutable hash table could be |
| 2145 | * better here, but most times only a few comparisons |
| 2146 | * should be done |
| 2147 | */ |
| 2148 | |
| 2149 | /* search in previous constant pool */ |
| 2150 | if ((data = (jit_int32_t *)_jitc->consts.data)) { |
| 2151 | w = (jit_word_t)data; |
| 2152 | /* maximum backwards offset */ |
| 2153 | base = (_jit->pc.w + 8) - 4092; |
| 2154 | if (base <= w) |
| 2155 | /* can scan all possible available backward constants */ |
| 2156 | base = 0; |
| 2157 | else |
| 2158 | base = (base - w) >> 2; |
| 2159 | size = _jitc->consts.size >> 2; |
| 2160 | for (offset = size - 1; offset >= base; offset--) { |
| 2161 | if (data[offset] == i0) { |
| 2162 | w = (jit_word_t)(data + offset); |
| 2163 | d = (_jit->pc.w + 8) - w; |
| 2164 | LDRIN(r0, _R15_REGNO, d); |
| 2165 | return; |
| 2166 | } |
| 2167 | } |
| 2168 | } |
| 2169 | } |
| 2170 | else |
| 2171 | assert(i0 == 0); |
| 2172 | |
| 2173 | _jitc->consts.patches[_jitc->consts.offset++] = _jit->pc.w; |
| 2174 | /* (probably) positive forward offset */ |
| 2175 | LDRI(r0, _R15_REGNO, 0); |
| 2176 | |
| 2177 | if (!uniq) { |
| 2178 | /* search already requested values */ |
| 2179 | for (offset = 0; offset < _jitc->consts.length; offset++) { |
| 2180 | if (_jitc->consts.values[offset] == i0) { |
| 2181 | _jitc->consts.patches[_jitc->consts.offset++] = offset; |
| 2182 | return; |
| 2183 | } |
| 2184 | } |
| 2185 | } |
| 2186 | |
| 2187 | #if DEBUG |
| 2188 | /* cannot run out of space because of limited range |
| 2189 | * but assert anyway to catch logic errors */ |
| 2190 | assert(_jitc->consts.length < 1024); |
| 2191 | assert(_jitc->consts.offset < 2048); |
| 2192 | #endif |
| 2193 | _jitc->consts.patches[_jitc->consts.offset++] = _jitc->consts.length; |
| 2194 | _jitc->consts.values[_jitc->consts.length++] = i0; |
| 2195 | } |
| 2196 | |
| 2197 | static void |
| 2198 | _flush_consts(jit_state_t *_jit) |
| 2199 | { |
| 2200 | jit_word_t word; |
| 2201 | jit_int32_t offset; |
| 2202 | |
| 2203 | /* if no forward constants */ |
| 2204 | if (!_jitc->consts.length) |
| 2205 | return; |
| 2206 | assert(!jit_thumb_p()); |
| 2207 | word = _jit->pc.w; |
| 2208 | _jitc->consts.data = _jit->pc.uc; |
| 2209 | _jitc->consts.size = _jitc->consts.length << 2; |
| 2210 | /* FIXME check will not overrun, otherwise, need to reallocate |
| 2211 | * code buffer and start over */ |
| 2212 | jit_memcpy(_jitc->consts.data, _jitc->consts.values, _jitc->consts.size); |
| 2213 | _jit->pc.w += _jitc->consts.size; |
| 2214 | |
| 2215 | #if DISASSEMBLER |
| 2216 | if (_jitc->data_info.ptr) { |
| 2217 | if (_jitc->data_info.offset >= _jitc->data_info.length) { |
| 2218 | jit_realloc((jit_pointer_t *)&_jitc->data_info.ptr, |
| 2219 | _jitc->data_info.length * sizeof(jit_data_info_t), |
| 2220 | (_jitc->data_info.length + 1024) * |
| 2221 | sizeof(jit_data_info_t)); |
| 2222 | _jitc->data_info.length += 1024; |
| 2223 | } |
| 2224 | _jitc->data_info.ptr[_jitc->data_info.offset].code = word; |
| 2225 | _jitc->data_info.ptr[_jitc->data_info.offset].length = _jitc->consts.size; |
| 2226 | ++_jitc->data_info.offset; |
| 2227 | } |
| 2228 | #endif |
| 2229 | |
| 2230 | for (offset = 0; offset < _jitc->consts.offset; offset += 2) |
| 2231 | patch_at(arm_patch_load, _jitc->consts.patches[offset], |
| 2232 | word + (_jitc->consts.patches[offset + 1] << 2)); |
| 2233 | _jitc->consts.length = _jitc->consts.offset = 0; |
| 2234 | } |
| 2235 | |
| 2236 | /* to be called if needing to start over a function */ |
| 2237 | static void |
| 2238 | _invalidate_consts(jit_state_t *_jit) |
| 2239 | { |
| 2240 | /* if no forward constants */ |
| 2241 | if (_jitc->consts.length) |
| 2242 | _jitc->consts.length = _jitc->consts.offset = 0; |
| 2243 | } |
| 2244 | |
| 2245 | static void |
| 2246 | _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node) |
| 2247 | { |
| 2248 | jit_int32_t flag; |
| 2249 | jit_int32_t kind; |
| 2250 | |
| 2251 | assert(node->flag & jit_flag_node); |
| 2252 | if (node->code == jit_code_movi) { |
| 2253 | flag = node->v.n->flag; |
| 2254 | kind = arm_patch_word; |
| 2255 | } |
| 2256 | else { |
| 2257 | flag = node->u.n->flag; |
| 2258 | if (node->code == jit_code_calli || |
| 2259 | (node->code == jit_code_jmpi && !(node->flag & jit_flag_node))) |
| 2260 | kind = arm_patch_word; |
| 2261 | else |
| 2262 | kind = arm_patch_jump; |
| 2263 | } |
| 2264 | assert(!(flag & jit_flag_patch)); |
| 2265 | kind |= arm_patch_node; |
| 2266 | if (_jitc->patches.offset >= _jitc->patches.length) { |
| 2267 | jit_realloc((jit_pointer_t *)&_jitc->patches.ptr, |
| 2268 | _jitc->patches.length * sizeof(jit_patch_t), |
| 2269 | (_jitc->patches.length + 1024) * sizeof(jit_patch_t)); |
| 2270 | _jitc->patches.length += 1024; |
| 2271 | } |
| 2272 | _jitc->patches.ptr[_jitc->patches.offset].kind = kind; |
| 2273 | _jitc->patches.ptr[_jitc->patches.offset].inst = instr; |
| 2274 | _jitc->patches.ptr[_jitc->patches.offset].node = node; |
| 2275 | ++_jitc->patches.offset; |
| 2276 | } |