notaz.gp2x.de / pcsx_rearmed.git / blame
| Commit | Line | Data |
|---|---|---|
| 4a71579b PC |
1 | /* |
| 2 | * Copyright (C) 2013-2019 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 | #include <lightning.h> | |
| 21 | #include <lightning/jit_private.h> | |
| 22 | ||
| 23 | #define jit_arg_reg_p(i) (i >= 0 && i < 4) | |
| 24 | ||
| 25 | #define PROTO 1 | |
| 26 | # include "jit_hppa-cpu.c" | |
| 27 | # include "jit_hppa-fpu.c" | |
| 28 | #undef PROTO | |
| 29 | ||
| 30 | /* | |
| 31 | * Types | |
| 32 | */ | |
| 33 | typedef jit_pointer_t jit_va_list; | |
| 34 | ||
| 35 | /* | |
| 36 | * Prototypes | |
| 37 | */ | |
| 38 | #define patch(instr, node) _patch(_jit, instr, node) | |
| 39 | static void _patch(jit_state_t*,jit_word_t,jit_node_t*); | |
| 40 | ||
| 41 | /* libgcc */ | |
| 42 | extern void __clear_cache(void *, void *); | |
| 43 | ||
| 44 | /* | |
| 45 | * Initialization | |
| 46 | */ | |
| 47 | jit_register_t _rvs[] = { | |
| 48 | { 0, "r0" }, /* Zero */ | |
| 49 | /* Not register starved, so, avoid allocating r1 and rp | |
| 50 | * due to being implicit target of ADDIL and B,L */ | |
| 51 | { 1, "r1" }, /* Scratch */ | |
| 52 | { 2, "rp" }, /* Return Pointer and scratch */ | |
| 53 | { rc(sav) | 3, "r3" }, | |
| 54 | { 19, "r19" }, /* Linkage Table */ | |
| 55 | { rc(gpr) | 20, "r20" }, | |
| 56 | { rc(gpr) | 21, "r21" }, | |
| 57 | { rc(gpr) | 22, "r22" }, | |
| 58 | { rc(gpr) | 29, "ret1" }, | |
| 59 | { rc(gpr) | 28, "ret0" }, | |
| 60 | /* JIT_Rx in callee save registers due to need to call | |
| 61 | * functions to implement some instructions */ | |
| 62 | /* JIT_R0- JIT_R2 */ | |
| 63 | { rc(gpr) | rc(sav) | 4, "r4" }, | |
| 64 | { rc(gpr) | rc(sav) | 5, "r5" }, | |
| 65 | { rc(gpr) | rc(sav) | 6, "r6" }, | |
| 66 | /* JIT_V0- JIT_V2 */ | |
| 67 | { rc(gpr) | rc(sav) | 7, "r7" }, | |
| 68 | { rc(sav) | rc(sav) | 8, "r8" }, | |
| 69 | { rc(gpr) | rc(sav) | 9, "r9" }, | |
| 70 | /* JIT_R3 */ | |
| 71 | { rc(gpr) | rc(sav) | 10, "r10" }, | |
| 72 | /* JIT_V3+ */ | |
| 73 | { rc(gpr) | rc(sav) | 11, "r11" }, | |
| 74 | { rc(gpr) | rc(sav) | 12, "r12" }, | |
| 75 | { rc(gpr) | rc(sav) | 13, "r13" }, | |
| 76 | { rc(gpr) | rc(sav) | 14, "r14" }, | |
| 77 | { rc(gpr) | rc(sav) | 15, "r15" }, | |
| 78 | { rc(gpr) | rc(sav) | 16, "r16" }, | |
| 79 | { rc(gpr) | rc(sav) | 17, "r17" }, | |
| 80 | { rc(gpr) | rc(sav) | 18, "r18" }, | |
| 81 | /* Arguments */ | |
| 82 | { rc(gpr) | rc(arg) | 23, "r23" }, | |
| 83 | { rc(gpr) | rc(arg) | 24, "r24" }, | |
| 84 | { rc(gpr) | rc(arg) | 25, "r25" }, | |
| 85 | { rc(gpr) | rc(arg) | 26, "r26" }, | |
| 86 | { 27, "dp" }, /* Data Pointer */ | |
| 87 | { 30, "sp" }, | |
| 88 | { 31, "r31" }, /* Link Register */ | |
| 89 | { rc(fpr) | 31, "fr31" }, | |
| 90 | { rc(fpr) | 30, "fr30" }, | |
| 91 | { rc(fpr) | 29, "fr29" }, | |
| 92 | { rc(fpr) | 28, "fr28" }, | |
| 93 | { rc(fpr) | 27, "fr27" }, | |
| 94 | { rc(fpr) | 26, "fr26" }, | |
| 95 | { rc(fpr) | 25, "fr25" }, | |
| 96 | { rc(fpr) | 24, "fr24" }, | |
| 97 | { rc(fpr) | 23, "fr23" }, | |
| 98 | { rc(fpr) | 22, "fr22" }, | |
| 99 | { rc(fpr) | 11, "fr11" }, | |
| 100 | { rc(fpr) | 10, "fr10" }, | |
| 101 | { rc(fpr) | 9, "fr9" }, | |
| 102 | { rc(fpr) | 8, "fr8" }, | |
| 103 | /* Arguments */ | |
| 104 | { rc(fpr) | rc(arg) | 7, "fr7" }, | |
| 105 | { rc(fpr) | rc(arg) | 6, "fr6" }, | |
| 106 | { rc(fpr) | rc(arg) | 5, "fr5" }, | |
| 107 | { rc(fpr) | rc(arg) | 4, "fr4" }, | |
| 108 | /* Callee Saves */ | |
| 109 | { rc(fpr) | rc(sav) | 21, "fr21" }, | |
| 110 | { rc(fpr) | rc(sav) | 20, "fr20" }, | |
| 111 | { rc(fpr) | rc(sav) | 19, "fr19" }, | |
| 112 | { rc(fpr) | rc(sav) | 18, "fr18" }, | |
| 113 | { rc(fpr) | rc(sav) | 17, "fr17" }, | |
| 114 | { rc(fpr) | rc(sav) | 16, "fr16" }, | |
| 115 | { rc(fpr) | rc(sav) | 15, "fr15" }, | |
| 116 | { rc(fpr) | rc(sav) | 14, "fr14" }, | |
| 117 | { rc(fpr) | rc(sav) | 13, "fr13" }, | |
| 118 | { rc(fpr) | rc(sav) | 12, "fr12" }, | |
| 119 | { 0, "fpsr" }, | |
| 120 | { 1, "fpe2" }, | |
| 121 | { 2, "fpe4" }, | |
| 122 | { 3, "fpe6" }, | |
| 123 | { _NOREG, "<none>" }, | |
| 124 | }; | |
| 125 | ||
| 126 | /* | |
| 127 | * Implementation | |
| 128 | */ | |
| 129 | void | |
| 130 | jit_get_cpu(void) | |
| 131 | { | |
| 132 | /* FIXME Expecting PARISC 2.0, for PARISC 1.0 should not use fr16-fr31 */ | |
| 133 | } | |
| 134 | ||
| 135 | void | |
| 136 | _jit_init(jit_state_t *_jit) | |
| 137 | { | |
| 138 | _jitc->reglen = jit_size(_rvs) - 1; | |
| 139 | } | |
| 140 | ||
| 141 | void | |
| 142 | _jit_prolog(jit_state_t *_jit) | |
| 143 | { | |
| 144 | jit_int32_t offset; | |
| 145 | ||
| 146 | if (_jitc->function) | |
| 147 | jit_epilog(); | |
| 148 | assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0); | |
| 149 | jit_regset_set_ui(&_jitc->regsav, 0); | |
| 150 | offset = _jitc->functions.offset; | |
| 151 | if (offset >= _jitc->functions.length) { | |
| 152 | jit_realloc((jit_pointer_t *)&_jitc->functions.ptr, | |
| 153 | _jitc->functions.length * sizeof(jit_function_t), | |
| 154 | (_jitc->functions.length + 16) * sizeof(jit_function_t)); | |
| 155 | _jitc->functions.length += 16; | |
| 156 | } | |
| 157 | _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++; | |
| 158 | _jitc->function->self.size = params_offset; | |
| 159 | _jitc->function->self.argi = _jitc->function->self.alen = 0; | |
| 160 | /* float conversion */ | |
| 161 | _jitc->function->self.aoff = alloca_offset; | |
| 162 | _jitc->function->self.call = jit_call_default; | |
| 163 | jit_alloc((jit_pointer_t *)&_jitc->function->regoff, | |
| 164 | _jitc->reglen * sizeof(jit_int32_t)); | |
| 165 | ||
| 166 | /* _no_link here does not mean the jit_link() call can be removed | |
| 167 | * by rewriting as: | |
| 168 | * _jitc->function->prolog = jit_new_node(jit_code_prolog); | |
| 169 | */ | |
| 170 | _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog); | |
| 171 | jit_link(_jitc->function->prolog); | |
| 172 | _jitc->function->prolog->w.w = offset; | |
| 173 | _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog); | |
| 174 | /* u: label value | |
| 175 | * v: offset in blocks vector | |
| 176 | * w: offset in functions vector | |
| 177 | */ | |
| 178 | _jitc->function->epilog->w.w = offset; | |
| 179 | ||
| 180 | jit_regset_new(&_jitc->function->regset); | |
| 181 | } | |
| 182 | ||
| 183 | jit_int32_t | |
| 184 | _jit_allocai(jit_state_t *_jit, jit_int32_t length) | |
| 185 | { | |
| 186 | jit_int32_t offset; | |
| 187 | assert(_jitc->function); | |
| 188 | switch (length) { | |
| 189 | case 0: case 1: | |
| 190 | break; | |
| 191 | case 2: | |
| 192 | _jitc->function->self.aoff = (_jitc->function->self.aoff + 1) & -2; | |
| 193 | break; | |
| 194 | case 3: case 4: | |
| 195 | _jitc->function->self.aoff = (_jitc->function->self.aoff + 3) & -4; | |
| 196 | break; | |
| 197 | default: | |
| 198 | _jitc->function->self.aoff = (_jitc->function->self.aoff + 7) & -8; | |
| 199 | break; | |
| 200 | } | |
| 201 | if (!_jitc->realize) { | |
| 202 | jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length); | |
| 203 | jit_dec_synth(); | |
| 204 | } | |
| 205 | offset = _jitc->function->self.aoff; | |
| 206 | _jitc->function->self.aoff += length; | |
| 207 | return (offset); | |
| 208 | } | |
| 209 | ||
| 210 | void | |
| 211 | _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v) | |
| 212 | { | |
| 213 | jit_int32_t reg; | |
| 214 | assert(_jitc->function); | |
| 215 | jit_inc_synth_ww(allocar, u, v); | |
| 216 | if (!_jitc->function->allocar) { | |
| 217 | _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t)); | |
| 218 | _jitc->function->allocar = 1; | |
| 219 | } | |
| 220 | reg = jit_get_reg(jit_class_gpr); | |
| 221 | jit_addi(reg, v, 63); | |
| 222 | jit_andi(reg, reg, -64); | |
| 223 | jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff); | |
| 224 | jit_addr(JIT_SP, JIT_SP, reg); | |
| 225 | jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u); | |
| 226 | jit_unget_reg(reg); | |
| 227 | jit_dec_synth(); | |
| 228 | } | |
| 229 | ||
| 230 | void | |
| 231 | _jit_ret(jit_state_t *_jit) | |
| 232 | { | |
| 233 | jit_node_t *instr; | |
| 234 | assert(_jitc->function); | |
| 235 | jit_inc_synth(ret); | |
| 236 | /* jump to epilog */ | |
| 237 | instr = jit_jmpi(); | |
| 238 | jit_patch_at(instr, _jitc->function->epilog); | |
| 239 | jit_dec_synth(); | |
| 240 | } | |
| 241 | ||
| 242 | void | |
| 243 | _jit_retr(jit_state_t *_jit, jit_int32_t u) | |
| 244 | { | |
| 245 | jit_inc_synth_w(retr, u); | |
| 246 | jit_movr(JIT_RET, u); | |
| 247 | jit_ret(); | |
| 248 | jit_dec_synth(); | |
| 249 | } | |
| 250 | ||
| 251 | void | |
| 252 | _jit_reti(jit_state_t *_jit, jit_word_t u) | |
| 253 | { | |
| 254 | jit_inc_synth_w(reti, u); | |
| 255 | jit_movi(JIT_RET, u); | |
| 256 | jit_ret(); | |
| 257 | jit_dec_synth(); | |
| 258 | } | |
| 259 | ||
| 260 | void | |
| 261 | _jit_retr_f(jit_state_t *_jit, jit_int32_t u) | |
| 262 | { | |
| 263 | jit_inc_synth_w(retr_f, u); | |
| 264 | jit_movr_f(JIT_FRET, u); | |
| 265 | jit_ret(); | |
| 266 | jit_dec_synth(); | |
| 267 | } | |
| 268 | ||
| 269 | void | |
| 270 | _jit_reti_f(jit_state_t *_jit, jit_float32_t u) | |
| 271 | { | |
| 272 | jit_inc_synth_f(reti_f, u); | |
| 273 | jit_movi_f(JIT_FRET, u); | |
| 274 | jit_ret(); | |
| 275 | jit_dec_synth(); | |
| 276 | } | |
| 277 | ||
| 278 | void | |
| 279 | _jit_retr_d(jit_state_t *_jit, jit_int32_t u) | |
| 280 | { | |
| 281 | jit_inc_synth_w(retr_d, u); | |
| 282 | jit_movr_d(JIT_FRET, u); | |
| 283 | jit_ret(); | |
| 284 | jit_dec_synth(); | |
| 285 | } | |
| 286 | ||
| 287 | void | |
| 288 | _jit_reti_d(jit_state_t *_jit, jit_float64_t u) | |
| 289 | { | |
| 290 | jit_inc_synth_d(reti_d, u); | |
| 291 | jit_movi_d(JIT_FRET, u); | |
| 292 | jit_ret(); | |
| 293 | jit_dec_synth(); | |
| 294 | } | |
| 295 | ||
| 296 | void | |
| 297 | _jit_epilog(jit_state_t *_jit) | |
| 298 | { | |
| 299 | assert(_jitc->function); | |
| 300 | assert(_jitc->function->epilog->next == NULL); | |
| 301 | jit_link(_jitc->function->epilog); | |
| 302 | _jitc->function = NULL; | |
| 303 | } | |
| 304 | ||
| 305 | jit_bool_t | |
| 306 | _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u) | |
| 307 | { | |
| 308 | assert(u->code == jit_code_arg || | |
| 309 | u->code == jit_code_arg_f || u->code == jit_code_arg_d); | |
| 310 | return (jit_arg_reg_p(u->u.w)); | |
| 311 | } | |
| 312 | ||
| 313 | void | |
| 314 | _jit_ellipsis(jit_state_t *_jit) | |
| 315 | { | |
| 316 | jit_inc_synth(ellipsis); | |
| 317 | if (_jitc->prepare) { | |
| 318 | jit_link_prepare(); | |
| 319 | assert(!(_jitc->function->call.call & jit_call_varargs)); | |
| 320 | _jitc->function->call.call |= jit_call_varargs; | |
| 321 | } | |
| 322 | else { | |
| 323 | jit_link_prolog(); | |
| 324 | assert(!(_jitc->function->self.call & jit_call_varargs)); | |
| 325 | _jitc->function->self.call |= jit_call_varargs; | |
| 326 | ||
| 327 | _jitc->function->vagp = _jitc->function->self.argi; | |
| 328 | } | |
| 329 | jit_dec_synth(); | |
| 330 | } | |
| 331 | ||
| 332 | void | |
| 333 | _jit_va_push(jit_state_t *_jit, jit_int32_t u) | |
| 334 | { | |
| 335 | jit_inc_synth_w(va_push, u); | |
| 336 | jit_pushargr(u); | |
| 337 | jit_dec_synth(); | |
| 338 | } | |
| 339 | ||
| 340 | jit_node_t * | |
| 341 | _jit_arg(jit_state_t *_jit) | |
| 342 | { | |
| 343 | jit_node_t *node; | |
| 344 | jit_int32_t offset; | |
| 345 | assert(_jitc->function); | |
| 346 | _jitc->function->self.size -= sizeof(jit_word_t); | |
| 347 | if (jit_arg_reg_p(_jitc->function->self.argi)) | |
| 348 | offset = _jitc->function->self.argi++; | |
| 349 | else | |
| 350 | offset = _jitc->function->self.size; | |
| 351 | node = jit_new_node_ww(jit_code_arg, offset, | |
| 352 | ++_jitc->function->self.argn); | |
| 353 | jit_link_prolog(); | |
| 354 | return (node); | |
| 355 | } | |
| 356 | ||
| 357 | jit_node_t * | |
| 358 | _jit_arg_f(jit_state_t *_jit) | |
| 359 | { | |
| 360 | jit_node_t *node; | |
| 361 | jit_int32_t offset; | |
| 362 | assert(_jitc->function); | |
| 363 | _jitc->function->self.size -= sizeof(jit_word_t); | |
| 364 | if (jit_arg_reg_p(_jitc->function->self.argi)) | |
| 365 | offset = _jitc->function->self.argi++; | |
| 366 | else | |
| 367 | offset = _jitc->function->self.size; | |
| 368 | node = jit_new_node_ww(jit_code_arg_f, offset, | |
| 369 | ++_jitc->function->self.argn); | |
| 370 | jit_link_prolog(); | |
| 371 | return (node); | |
| 372 | } | |
| 373 | ||
| 374 | jit_node_t * | |
| 375 | _jit_arg_d(jit_state_t *_jit) | |
| 376 | { | |
| 377 | jit_node_t *node; | |
| 378 | jit_int32_t offset; | |
| 379 | assert(_jitc->function); | |
| 380 | if (_jitc->function->self.argi & 1) { | |
| 381 | ++_jitc->function->self.argi; | |
| 382 | _jitc->function->self.size -= sizeof(jit_word_t); | |
| 383 | } | |
| 384 | _jitc->function->self.size -= sizeof(jit_float64_t); | |
| 385 | if (jit_arg_reg_p(_jitc->function->self.argi)) { | |
| 386 | offset = _jitc->function->self.argi + 1; | |
| 387 | _jitc->function->self.argi += 2; | |
| 388 | } | |
| 389 | else { | |
| 390 | /* "Standard" initial value (-52) is unaligned */ | |
| 391 | if (_jitc->function->self.size & 7) | |
| 392 | _jitc->function->self.size -= sizeof(jit_word_t); | |
| 393 | offset = _jitc->function->self.size; | |
| 394 | } | |
| 395 | node = jit_new_node_ww(jit_code_arg_d, offset, | |
| 396 | ++_jitc->function->self.argn); | |
| 397 | jit_link_prolog(); | |
| 398 | return (node); | |
| 399 | } | |
| 400 | ||
| 401 | void | |
| 402 | _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 403 | { | |
| 404 | assert(v->code == jit_code_arg); | |
| 405 | jit_inc_synth_wp(getarg_c, u, v); | |
| 406 | if (v->u.w >= 0) | |
| 407 | jit_extr_c(u, _R26 - v->u.w); | |
| 408 | else | |
| 409 | jit_ldxi_c(u, JIT_FP, v->u.w + 3); | |
| 410 | jit_dec_synth(); | |
| 411 | } | |
| 412 | ||
| 413 | void | |
| 414 | _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 415 | { | |
| 416 | assert(v->code == jit_code_arg); | |
| 417 | jit_inc_synth_wp(getarg_uc, u, v); | |
| 418 | if (v->u.w >= 0) | |
| 419 | jit_extr_uc(u, _R26 - v->u.w); | |
| 420 | else | |
| 421 | jit_ldxi_uc(u, JIT_FP, v->u.w + 3); | |
| 422 | jit_dec_synth(); | |
| 423 | } | |
| 424 | ||
| 425 | void | |
| 426 | _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 427 | { | |
| 428 | assert(v->code == jit_code_arg); | |
| 429 | jit_inc_synth_wp(getarg_s, u, v); | |
| 430 | if (v->u.w >= 0) | |
| 431 | jit_extr_s(u, _R26 - v->u.w); | |
| 432 | else | |
| 433 | jit_ldxi_s(u, JIT_FP, v->u.w + 2); | |
| 434 | jit_dec_synth(); | |
| 435 | } | |
| 436 | ||
| 437 | void | |
| 438 | _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 439 | { | |
| 440 | assert(v->code == jit_code_arg); | |
| 441 | jit_inc_synth_wp(getarg_us, u, v); | |
| 442 | if (v->u.w >= 0) | |
| 443 | jit_extr_us(u, _R26 - v->u.w); | |
| 444 | else | |
| 445 | jit_ldxi_us(u, JIT_FP, v->u.w + 2); | |
| 446 | jit_dec_synth(); | |
| 447 | } | |
| 448 | ||
| 449 | void | |
| 450 | _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 451 | { | |
| 452 | assert(v->code == jit_code_arg); | |
| 453 | jit_inc_synth_wp(getarg_i, u, v); | |
| 454 | if (v->u.w >= 0) | |
| 455 | jit_movr(u, _R26 - v->u.w); | |
| 456 | else | |
| 457 | jit_ldxi_i(u, JIT_FP, v->u.w); | |
| 458 | jit_dec_synth(); | |
| 459 | } | |
| 460 | ||
| 461 | void | |
| 462 | _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 463 | { | |
| 464 | assert(v->code == jit_code_arg); | |
| 465 | jit_inc_synth_wp(putargr, u, v); | |
| 466 | if (v->u.w >= 0) | |
| 467 | jit_movr(_R26 - v->u.w, u); | |
| 468 | else | |
| 469 | jit_stxi(v->u.w, JIT_FP, u); | |
| 470 | jit_dec_synth(); | |
| 471 | } | |
| 472 | ||
| 473 | void | |
| 474 | _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v) | |
| 475 | { | |
| 476 | jit_int32_t regno; | |
| 477 | assert(v->code == jit_code_arg); | |
| 478 | jit_inc_synth_wp(putargi, u, v); | |
| 479 | if (v->u.w >= 0) | |
| 480 | jit_movi(_R26 - v->u.w, u); | |
| 481 | else { | |
| 482 | regno = jit_get_reg(jit_class_gpr); | |
| 483 | jit_movi(regno, u); | |
| 484 | jit_stxi(v->u.w, JIT_FP, regno); | |
| 485 | jit_unget_reg(regno); | |
| 486 | } | |
| 487 | jit_dec_synth(); | |
| 488 | } | |
| 489 | ||
| 490 | void | |
| 491 | _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 492 | { | |
| 493 | assert(v->code == jit_code_arg_f); | |
| 494 | jit_inc_synth_wp(getarg_f, u, v); | |
| 495 | if (v->u.w >= 0) | |
| 496 | jit_movr_f(u, _F4 - v->u.w); | |
| 497 | else | |
| 498 | jit_ldxi_f(u, JIT_FP, v->u.w); | |
| 499 | jit_dec_synth(); | |
| 500 | } | |
| 501 | ||
| 502 | void | |
| 503 | _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 504 | { | |
| 505 | assert(v->code == jit_code_arg_f); | |
| 506 | jit_inc_synth_wp(putargr_f, u, v); | |
| 507 | if (v->u.w >= 0) | |
| 508 | jit_movr_f(_F4 - v->u.w, u); | |
| 509 | else | |
| 510 | jit_stxi_f(v->u.w, JIT_FP, u); | |
| 511 | jit_dec_synth(); | |
| 512 | } | |
| 513 | ||
| 514 | void | |
| 515 | _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v) | |
| 516 | { | |
| 517 | jit_int32_t regno; | |
| 518 | assert(v->code == jit_code_arg_f); | |
| 519 | jit_inc_synth_fp(putargi_f, u, v); | |
| 520 | if (v->u.w >= 0) | |
| 521 | jit_movi_f(_R26 - v->u.w, u); | |
| 522 | else { | |
| 523 | regno = jit_get_reg(jit_class_fpr); | |
| 524 | jit_movi_f(regno, u); | |
| 525 | jit_stxi_f(v->u.w, JIT_FP, regno); | |
| 526 | jit_unget_reg(regno); | |
| 527 | } | |
| 528 | jit_dec_synth(); | |
| 529 | } | |
| 530 | ||
| 531 | void | |
| 532 | _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 533 | { | |
| 534 | assert(v->code == jit_code_arg_d); | |
| 535 | jit_inc_synth_wp(getarg_d, u, v); | |
| 536 | if (v->u.w >= 0) | |
| 537 | jit_movr_d(u, _F4 - v->u.w); | |
| 538 | else | |
| 539 | jit_ldxi_d(u, JIT_FP, v->u.w); | |
| 540 | jit_dec_synth(); | |
| 541 | } | |
| 542 | ||
| 543 | void | |
| 544 | _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
| 545 | { | |
| 546 | assert(v->code == jit_code_arg_d); | |
| 547 | jit_inc_synth_wp(putargr_d, u, v); | |
| 548 | if (v->u.w >= 0) | |
| 549 | jit_movr_d(_F4 - v->u.w, u); | |
| 550 | else | |
| 551 | jit_stxi_d(v->u.w, JIT_FP, u); | |
| 552 | jit_dec_synth(); | |
| 553 | } | |
| 554 | ||
| 555 | void | |
| 556 | _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v) | |
| 557 | { | |
| 558 | jit_int32_t regno; | |
| 559 | assert(v->code == jit_code_arg_d); | |
| 560 | jit_inc_synth_dp(putargi_d, u, v); | |
| 561 | if (v->u.w >= 0) | |
| 562 | jit_movi_d(_R26 - v->u.w, u); | |
| 563 | else { | |
| 564 | regno = jit_get_reg(jit_class_fpr); | |
| 565 | jit_movi_d(regno, u); | |
| 566 | jit_stxi_d(v->u.w, JIT_FP, regno); | |
| 567 | jit_unget_reg(regno); | |
| 568 | } | |
| 569 | jit_dec_synth(); | |
| 570 | } | |
| 571 | ||
| 572 | void | |
| 573 | _jit_pushargr(jit_state_t *_jit, jit_int32_t u) | |
| 574 | { | |
| 575 | assert(_jitc->function); | |
| 576 | jit_inc_synth_w(pushargr, u); | |
| 577 | jit_link_prepare(); | |
| 578 | _jitc->function->call.size -= sizeof(jit_word_t); | |
| 579 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
| 580 | jit_movr(_R26 - _jitc->function->call.argi, u); | |
| 581 | ++_jitc->function->call.argi; | |
| 582 | } | |
| 583 | else | |
| 584 | jit_stxi(_jitc->function->call.size + params_offset, JIT_SP, u); | |
| 585 | jit_dec_synth(); | |
| 586 | } | |
| 587 | ||
| 588 | void | |
| 589 | _jit_pushargi(jit_state_t *_jit, jit_word_t u) | |
| 590 | { | |
| 591 | jit_int32_t regno; | |
| 592 | assert(_jitc->function); | |
| 593 | jit_inc_synth_w(pushargi, u); | |
| 594 | jit_link_prepare(); | |
| 595 | _jitc->function->call.size -= sizeof(jit_word_t); | |
| 596 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
| 597 | jit_movi(_R26 - _jitc->function->call.argi, u); | |
| 598 | ++_jitc->function->call.argi; | |
| 599 | } | |
| 600 | else { | |
| 601 | regno = jit_get_reg(jit_class_gpr); | |
| 602 | jit_movi(regno, u); | |
| 603 | jit_stxi(_jitc->function->call.size + params_offset, JIT_SP, regno); | |
| 604 | jit_unget_reg(regno); | |
| 605 | } | |
| 606 | jit_dec_synth(); | |
| 607 | } | |
| 608 | ||
| 609 | void | |
| 610 | _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u) | |
| 611 | { | |
| 612 | assert(_jitc->function); | |
| 613 | jit_inc_synth_w(pushargr_f, u); | |
| 614 | jit_link_prepare(); | |
| 615 | _jitc->function->call.size -= sizeof(jit_word_t); | |
| 616 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
| 617 | jit_movr_f(_F4 - _jitc->function->call.argi, u); | |
| 618 | #if !defined(__hpux) | |
| 619 | /* HP-UX appears to always pass float arguments in gpr registers */ | |
| 620 | if (_jitc->function->call.call & jit_call_varargs) | |
| 621 | #endif | |
| 622 | { | |
| 623 | jit_stxi_f(alloca_offset - 8, JIT_FP, u); | |
| 624 | jit_ldxi(_R26 - _jitc->function->call.argi, JIT_FP, | |
| 625 | alloca_offset - 8); | |
| 626 | } | |
| 627 | ++_jitc->function->call.argi; | |
| 628 | } | |
| 629 | else | |
| 630 | jit_stxi_f(_jitc->function->call.size + params_offset, JIT_SP, u); | |
| 631 | jit_dec_synth(); | |
| 632 | } | |
| 633 | ||
| 634 | void | |
| 635 | _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u) | |
| 636 | { | |
| 637 | jit_int32_t regno; | |
| 638 | assert(_jitc->function); | |
| 639 | jit_inc_synth_f(pushargi_f, u); | |
| 640 | jit_link_prepare(); | |
| 641 | _jitc->function->call.size -= sizeof(jit_word_t); | |
| 642 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
| 643 | jit_movi_f(_F4 - _jitc->function->call.argi, u); | |
| 644 | #if !defined(__hpux) | |
| 645 | /* HP-UX appears to always pass float arguments in gpr registers */ | |
| 646 | if (_jitc->function->call.call & jit_call_varargs) | |
| 647 | #endif | |
| 648 | { | |
| 649 | jit_stxi_f(alloca_offset - 8, JIT_FP, | |
| 650 | _F4 - _jitc->function->call.argi); | |
| 651 | jit_ldxi(_R26 - _jitc->function->call.argi, | |
| 652 | JIT_FP, alloca_offset - 8); | |
| 653 | } | |
| 654 | ++_jitc->function->call.argi; | |
| 655 | } | |
| 656 | else { | |
| 657 | regno = jit_get_reg(jit_class_fpr); | |
| 658 | jit_movi_f(regno, u); | |
| 659 | jit_stxi_f(_jitc->function->call.size + params_offset, JIT_SP, regno); | |
| 660 | jit_unget_reg(regno); | |
| 661 | } | |
| 662 | jit_dec_synth(); | |
| 663 | } | |
| 664 | ||
| 665 | void | |
| 666 | _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u) | |
| 667 | { | |
| 668 | assert(_jitc->function); | |
| 669 | jit_inc_synth_w(pushargr_d, u); | |
| 670 | jit_link_prepare(); | |
| 671 | _jitc->function->call.size -= sizeof(jit_float64_t); | |
| 672 | if (_jitc->function->call.argi & 1) { | |
| 673 | ++_jitc->function->call.argi; | |
| 674 | _jitc->function->call.size -= sizeof(jit_word_t); | |
| 675 | } | |
| 676 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
| 677 | jit_movr_d(_F4 - (_jitc->function->call.argi + 1), u); | |
| 678 | #if !defined(__hpux) | |
| 679 | /* HP-UX appears to always pass float arguments in gpr registers */ | |
| 680 | if (_jitc->function->call.call & jit_call_varargs) | |
| 681 | #endif | |
| 682 | { | |
| 683 | jit_stxi_d(alloca_offset - 8, JIT_FP, u); | |
| 684 | jit_ldxi(_R26 - _jitc->function->call.argi, | |
| 685 | JIT_FP, alloca_offset - 4); | |
| 686 | jit_ldxi(_R25 - _jitc->function->call.argi, | |
| 687 | JIT_FP, alloca_offset - 8); | |
| 688 | } | |
| 689 | _jitc->function->call.argi += 2; | |
| 690 | } | |
| 691 | else { | |
| 692 | /* "Standard" initial value (-52) is unaligned */ | |
| 693 | if ((_jitc->function->call.size + params_offset) & 7) | |
| 694 | _jitc->function->call.size -= sizeof(jit_word_t); | |
| 695 | jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, u); | |
| 696 | } | |
| 697 | jit_dec_synth(); | |
| 698 | } | |
| 699 | ||
| 700 | void | |
| 701 | _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u) | |
| 702 | { | |
| 703 | jit_int32_t regno; | |
| 704 | assert(_jitc->function); | |
| 705 | jit_inc_synth_d(pushargi_d, u); | |
| 706 | jit_link_prepare(); | |
| 707 | _jitc->function->call.size -= sizeof(jit_float64_t); | |
| 708 | if (_jitc->function->call.argi & 1) { | |
| 709 | ++_jitc->function->call.argi; | |
| 710 | _jitc->function->call.size -= sizeof(jit_word_t); | |
| 711 | } | |
| 712 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
| 713 | jit_movi_d(_F4 - (_jitc->function->call.argi + 1), u); | |
| 714 | #if !defined(__hpux) | |
| 715 | /* HP-UX appears to always pass float arguments in gpr registers */ | |
| 716 | if (_jitc->function->call.call & jit_call_varargs) | |
| 717 | #endif | |
| 718 | { | |
| 719 | jit_stxi_d(alloca_offset - 8, JIT_FP, | |
| 720 | _F4 - (_jitc->function->call.argi + 1)); | |
| 721 | jit_ldxi(_R26 - _jitc->function->call.argi, | |
| 722 | JIT_FP, alloca_offset - 4); | |
| 723 | jit_ldxi(_R25 - _jitc->function->call.argi, | |
| 724 | JIT_FP, alloca_offset - 8); | |
| 725 | } | |
| 726 | _jitc->function->call.argi += 2; | |
| 727 | } | |
| 728 | else { | |
| 729 | regno = jit_get_reg(jit_class_fpr); | |
| 730 | jit_movi_d(regno, u); | |
| 731 | if ((_jitc->function->call.size + params_offset) & 7) | |
| 732 | _jitc->function->call.size -= sizeof(jit_word_t); | |
| 733 | jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, regno); | |
| 734 | jit_unget_reg(regno); | |
| 735 | } | |
| 736 | jit_dec_synth(); | |
| 737 | } | |
| 738 | ||
| 739 | jit_bool_t | |
| 740 | _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno) | |
| 741 | { | |
| 742 | jit_int32_t spec; | |
| 743 | spec = jit_class(_rvs[regno].spec); | |
| 744 | if (spec & jit_class_arg) { | |
| 745 | if (spec & jit_class_gpr) { | |
| 746 | regno -= _R23; | |
| 747 | if (regno >= 0 && regno < node->v.w) | |
| 748 | return (1); | |
| 749 | } | |
| 750 | else if (spec & jit_class_fpr) { | |
| 751 | regno = _F4 - regno; | |
| 752 | if (regno >= 0 && regno < node->w.w) | |
| 753 | return (1); | |
| 754 | } | |
| 755 | } | |
| 756 | return (0); | |
| 757 | } | |
| 758 | ||
| 759 | void | |
| 760 | _jit_finishr(jit_state_t *_jit, jit_int32_t r0) | |
| 761 | { | |
| 762 | jit_node_t *call; | |
| 763 | assert(_jitc->function); | |
| 764 | jit_inc_synth_w(finishr, r0); | |
| 765 | if (_jitc->function->self.alen > _jitc->function->call.size) | |
| 766 | _jitc->function->self.alen = _jitc->function->call.size; | |
| 767 | call = jit_callr(r0); | |
| 768 | call->v.w = call->w.w = _jitc->function->call.argi; | |
| 769 | _jitc->function->call.argi = _jitc->function->call.size = 0; | |
| 770 | _jitc->prepare = 0; | |
| 771 | jit_dec_synth(); | |
| 772 | } | |
| 773 | ||
| 774 | jit_node_t * | |
| 775 | _jit_finishi(jit_state_t *_jit, jit_pointer_t i0) | |
| 776 | { | |
| 777 | jit_node_t *node; | |
| 778 | assert(_jitc->function); | |
| 779 | jit_inc_synth_w(finishi, (jit_word_t)i0); | |
| 780 | if (_jitc->function->self.alen > _jitc->function->call.size) | |
| 781 | _jitc->function->self.alen = _jitc->function->call.size; | |
| 782 | node = jit_calli(i0); | |
| 783 | node->v.w = node->w.w = _jitc->function->call.argi; | |
| 784 | _jitc->function->call.argi = _jitc->function->call.size = 0; | |
| 785 | _jitc->prepare = 0; | |
| 786 | jit_dec_synth(); | |
| 787 | return (node); | |
| 788 | } | |
| 789 | ||
| 790 | void | |
| 791 | _jit_retval_c(jit_state_t *_jit, jit_int32_t r0) | |
| 792 | { | |
| 793 | jit_inc_synth_w(retval_c, r0); | |
| 794 | jit_extr_c(r0, JIT_RET); | |
| 795 | jit_dec_synth(); | |
| 796 | } | |
| 797 | ||
| 798 | void | |
| 799 | _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0) | |
| 800 | { | |
| 801 | jit_inc_synth_w(retval_uc, r0); | |
| 802 | jit_extr_uc(r0, JIT_RET); | |
| 803 | jit_dec_synth(); | |
| 804 | } | |
| 805 | ||
| 806 | void | |
| 807 | _jit_retval_s(jit_state_t *_jit, jit_int32_t r0) | |
| 808 | { | |
| 809 | jit_inc_synth_w(retval_s, r0); | |
| 810 | jit_extr_s(r0, JIT_RET); | |
| 811 | jit_dec_synth(); | |
| 812 | } | |
| 813 | ||
| 814 | void | |
| 815 | _jit_retval_us(jit_state_t *_jit, jit_int32_t r0) | |
| 816 | { | |
| 817 | jit_inc_synth_w(retval_us, r0); | |
| 818 | jit_extr_us(r0, JIT_RET); | |
| 819 | jit_dec_synth(); | |
| 820 | } | |
| 821 | ||
| 822 | void | |
| 823 | _jit_retval_i(jit_state_t *_jit, jit_int32_t r0) | |
| 824 | { | |
| 825 | jit_inc_synth_w(retval_i, r0); | |
| 826 | jit_movr(r0, JIT_RET); | |
| 827 | jit_dec_synth(); | |
| 828 | } | |
| 829 | ||
| 830 | void | |
| 831 | _jit_retval_f(jit_state_t *_jit, jit_int32_t r0) | |
| 832 | { | |
| 833 | jit_inc_synth_w(retval_f, r0); | |
| 834 | jit_movr_f(r0, JIT_FRET); | |
| 835 | jit_dec_synth(); | |
| 836 | } | |
| 837 | ||
| 838 | void | |
| 839 | _jit_retval_d(jit_state_t *_jit, jit_int32_t r0) | |
| 840 | { | |
| 841 | jit_inc_synth_w(retval_d, r0); | |
| 842 | jit_movr_d(r0, JIT_FRET); | |
| 843 | jit_dec_synth(); | |
| 844 | } | |
| 845 | ||
| 846 | jit_pointer_t | |
| 847 | _emit_code(jit_state_t *_jit) | |
| 848 | { | |
| 849 | jit_node_t *node; | |
| 850 | jit_node_t *temp; | |
| 851 | jit_word_t word; | |
| 852 | jit_int32_t value; | |
| 853 | jit_int32_t offset; | |
| 854 | struct { | |
| 855 | jit_node_t *node; | |
| 856 | jit_word_t word; | |
| 857 | #if DEVEL_DISASSEMBLER | |
| 858 | jit_word_t prevw; | |
| 859 | #endif | |
| 860 | jit_int32_t patch_offset; | |
| 861 | } undo; | |
| 862 | #if DEVEL_DISASSEMBLER | |
| 863 | jit_word_t prevw; | |
| 864 | #endif | |
| 865 | ||
| 866 | _jitc->function = NULL; | |
| 867 | ||
| 868 | jit_reglive_setup(); | |
| 869 | ||
| 870 | undo.word = 0; | |
| 871 | undo.node = NULL; | |
| 872 | undo.patch_offset = 0; | |
| 873 | ||
| 874 | #define case_rr(name, type) \ | |
| 875 | case jit_code_##name##r##type: \ | |
| 876 | name##r##type(rn(node->u.w), rn(node->v.w)); \ | |
| 877 | break | |
| 878 | #define case_rw(name, type) \ | |
| 879 | case jit_code_##name##i##type: \ | |
| 880 | name##i##type(rn(node->u.w), node->v.w); \ | |
| 881 | break | |
| 882 | #define case_wr(name, type) \ | |
| 883 | case jit_code_##name##i##type: \ | |
| 884 | name##i##type(node->u.w, rn(node->v.w)); \ | |
| 885 | break | |
| 886 | #define case_rrr(name, type) \ | |
| 887 | case jit_code_##name##r##type: \ | |
| 888 | name##r##type(rn(node->u.w), \ | |
| 889 | rn(node->v.w), rn(node->w.w)); \ | |
| 890 | break | |
| 891 | #define case_rrrr(name, type) \ | |
| 892 | case jit_code_##name##r##type: \ | |
| 893 | name##r##type(rn(node->u.q.l), rn(node->u.q.h), \ | |
| 894 | rn(node->v.w), rn(node->w.w)); \ | |
| 895 | break | |
| 896 | #define case_rrw(name, type) \ | |
| 897 | case jit_code_##name##i##type: \ | |
| 898 | name##i##type(rn(node->u.w),rn(node->v.w), node->w.w); \ | |
| 899 | break | |
| 900 | #define case_rrrw(name, type) \ | |
| 901 | case jit_code_##name##i##type: \ | |
| 902 | name##i##type(rn(node->u.q.l), rn(node->u.q.h), \ | |
| 903 | rn(node->v.w), node->w.w); \ | |
| 904 | break | |
| 905 | #define case_rrf(name, type, size) \ | |
| 906 | case jit_code_##name##i##type: \ | |
| 907 | assert(node->flag & jit_flag_data); \ | |
| 908 | name##i##type(rn(node->u.w), rn(node->v.w), \ | |
| 909 | (jit_float##size##_t *)node->w.n->u.w); \ | |
| 910 | break | |
| 911 | #define case_wrr(name, type) \ | |
| 912 | case jit_code_##name##i##type: \ | |
| 913 | name##i##type(node->u.w,rn(node->v.w), rn(node->w.w)); \ | |
| 914 | break | |
| 915 | #define case_brr(name, type) \ | |
| 916 | case jit_code_##name##r##type: \ | |
| 917 | temp = node->u.n; \ | |
| 918 | assert(temp->code == jit_code_label || \ | |
| 919 | temp->code == jit_code_epilog); \ | |
| 920 | if (temp->flag & jit_flag_patch) \ | |
| 921 | name##r##type(temp->u.w, rn(node->v.w), \ | |
| 922 | rn(node->w.w)); \ | |
| 923 | else { \ | |
| 924 | word = name##r##type(_jit->pc.w, \ | |
| 925 | rn(node->v.w), rn(node->w.w)); \ | |
| 926 | patch(word, node); \ | |
| 927 | } \ | |
| 928 | break | |
| 929 | #define case_brw(name, type) \ | |
| 930 | case jit_code_##name##i##type: \ | |
| 931 | temp = node->u.n; \ | |
| 932 | assert(temp->code == jit_code_label || \ | |
| 933 | temp->code == jit_code_epilog); \ | |
| 934 | if (temp->flag & jit_flag_patch) \ | |
| 935 | name##i##type(temp->u.w, \ | |
| 936 | rn(node->v.w), node->w.w); \ | |
| 937 | else { \ | |
| 938 | word = name##i##type(_jit->pc.w, \ | |
| 939 | rn(node->v.w), node->w.w); \ | |
| 940 | patch(word, node); \ | |
| 941 | } \ | |
| 942 | break | |
| 943 | #define case_brf(name, type, size) \ | |
| 944 | case jit_code_##name##i##type: \ | |
| 945 | temp = node->u.n; \ | |
| 946 | assert(temp->code == jit_code_label || \ | |
| 947 | temp->code == jit_code_epilog); \ | |
| 948 | if (temp->flag & jit_flag_patch) \ | |
| 949 | name##i##type(temp->u.w, rn(node->v.w), \ | |
| 950 | (jit_float##size##_t *)node->w.n->u.w); \ | |
| 951 | else { \ | |
| 952 | word = name##i##type(_jit->pc.w, rn(node->v.w), \ | |
| 953 | (jit_float##size##_t *)node->w.n->u.w); \ | |
| 954 | patch(word, node); \ | |
| 955 | } \ | |
| 956 | break | |
| 957 | #if DEVEL_DISASSEMBLER | |
| 958 | prevw = _jit->pc.w; | |
| 959 | #endif | |
| 960 | for (node = _jitc->head; node; node = node->next) { | |
| 961 | if (_jit->pc.uc >= _jitc->code.end) | |
| 962 | return (NULL); | |
| 963 | ||
| 964 | #if DEVEL_DISASSEMBLER | |
| 965 | node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw; | |
| 966 | prevw = _jit->pc.w; | |
| 967 | #endif | |
| 968 | value = jit_classify(node->code); | |
| 969 | jit_regarg_set(node, value); | |
| 970 | switch (node->code) { | |
| 971 | case jit_code_align: | |
| 972 | assert(!(node->u.w & (node->u.w - 1)) && | |
| 973 | node->u.w <= sizeof(jit_word_t)); | |
| 974 | if (node->u.w == sizeof(jit_word_t) && | |
| 975 | (word = _jit->pc.w & (sizeof(jit_word_t) - 1))) | |
| 976 | nop(sizeof(jit_word_t) - word); | |
| 977 | break; | |
| 978 | case jit_code_note: case jit_code_name: | |
| 979 | node->u.w = _jit->pc.w; | |
| 980 | break; | |
| 981 | case jit_code_label: | |
| 982 | /* remember label is defined */ | |
| 983 | node->flag |= jit_flag_patch; | |
| 984 | node->u.w = _jit->pc.w; | |
| 985 | break; | |
| 986 | case_rrr(add,); | |
| 987 | case_rrw(add,); | |
| 988 | case_rrr(addc,); | |
| 989 | case_rrw(addc,); | |
| 990 | case_rrr(addx,); | |
| 991 | case_rrw(addx,); | |
| 992 | case_rrr(sub,); | |
| 993 | case_rrw(sub,); | |
| 994 | case_rrr(subc,); | |
| 995 | case_rrw(subc,); | |
| 996 | case_rrr(subx,); | |
| 997 | case_rrw(subx,); | |
| 998 | case_rrw(rsb,); | |
| 999 | case_rrr(mul,); | |
| 1000 | case_rrw(mul,); | |
| 1001 | case_rrrr(qmul,); | |
| 1002 | case_rrrw(qmul,); | |
| 1003 | case_rrrr(qmul, _u); | |
| 1004 | case_rrrw(qmul, _u); | |
| 1005 | case_rrr(div,); | |
| 1006 | case_rrw(div,); | |
| 1007 | case_rrr(div, _u); | |
| 1008 | case_rrw(div, _u); | |
| 1009 | case_rrr(rem,); | |
| 1010 | case_rrw(rem,); | |
| 1011 | case_rrr(rem, _u); | |
| 1012 | case_rrw(rem, _u); | |
| 1013 | case_rrrr(qdiv,); | |
| 1014 | case_rrrw(qdiv,); | |
| 1015 | case_rrrr(qdiv, _u); | |
| 1016 | case_rrrw(qdiv, _u); | |
| 1017 | case_rrr(and,); | |
| 1018 | case_rrw(and,); | |
| 1019 | case_rrr(or,); | |
| 1020 | case_rrw(or,); | |
| 1021 | case_rrr(xor,); | |
| 1022 | case_rrw(xor,); | |
| 1023 | case_rrr(lsh,); | |
| 1024 | case_rrw(lsh,); | |
| 1025 | case_rrr(rsh,); | |
| 1026 | case_rrw(rsh,); | |
| 1027 | case_rrr(rsh, _u); | |
| 1028 | case_rrw(rsh, _u); | |
| 1029 | case_rr(mov,); | |
| 1030 | case jit_code_movi: | |
| 1031 | if (node->flag & jit_flag_node) { | |
| 1032 | temp = node->v.n; | |
| 1033 | if (temp->code == jit_code_data || | |
| 1034 | (temp->code == jit_code_label && | |
| 1035 | (temp->flag & jit_flag_patch))) | |
| 1036 | movi(rn(node->u.w), temp->u.w); | |
| 1037 | else { | |
| 1038 | assert(temp->code == jit_code_label || | |
| 1039 | temp->code == jit_code_epilog); | |
| 1040 | word = movi_p(rn(node->u.w), node->v.w); | |
| 1041 | patch(word, node); | |
| 1042 | } | |
| 1043 | } | |
| 1044 | else | |
| 1045 | movi(rn(node->u.w), node->v.w); | |
| 1046 | break; | |
| 1047 | case_rr(neg,); | |
| 1048 | case_rr(com,); | |
| 1049 | case_rr(ext, _c); | |
| 1050 | case_rr(ext, _uc); | |
| 1051 | case_rr(ext, _s); | |
| 1052 | case_rr(ext, _us); | |
| 1053 | case_rr(hton, _us); | |
| 1054 | case_rr(hton, _ui); | |
| 1055 | case_rrr(lt,); | |
| 1056 | case_rrw(lt,); | |
| 1057 | case_rrr(lt, _u); | |
| 1058 | case_rrw(lt, _u); | |
| 1059 | case_rrr(le,); | |
| 1060 | case_rrw(le,); | |
| 1061 | case_rrr(le, _u); | |
| 1062 | case_rrw(le, _u); | |
| 1063 | case_rrr(eq,); | |
| 1064 | case_rrw(eq,); | |
| 1065 | case_rrr(ge,); | |
| 1066 | case_rrw(ge,); | |
| 1067 | case_rrr(ge, _u); | |
| 1068 | case_rrw(ge, _u); | |
| 1069 | case_rrr(gt,); | |
| 1070 | case_rrw(gt,); | |
| 1071 | case_rrr(gt, _u); | |
| 1072 | case_rrw(gt, _u); | |
| 1073 | case_rrr(ne,); | |
| 1074 | case_rrw(ne,); | |
| 1075 | case_rr(ld, _c); | |
| 1076 | case_rw(ld, _c); | |
| 1077 | case_rr(ld, _uc); | |
| 1078 | case_rw(ld, _uc); | |
| 1079 | case_rr(ld, _s); | |
| 1080 | case_rw(ld, _s); | |
| 1081 | case_rr(ld, _us); | |
| 1082 | case_rw(ld, _us); | |
| 1083 | case_rr(ld, _i); | |
| 1084 | case_rw(ld, _i); | |
| 1085 | case_rrr(ldx, _c); | |
| 1086 | case_rrw(ldx, _c); | |
| 1087 | case_rrr(ldx, _uc); | |
| 1088 | case_rrw(ldx, _uc); | |
| 1089 | case_rrr(ldx, _s); | |
| 1090 | case_rrw(ldx, _s); | |
| 1091 | case_rrr(ldx, _us); | |
| 1092 | case_rrw(ldx, _us); | |
| 1093 | case_rrr(ldx, _i); | |
| 1094 | case_rrw(ldx, _i); | |
| 1095 | case_rr(st, _c); | |
| 1096 | case_wr(st, _c); | |
| 1097 | case_rr(st, _s); | |
| 1098 | case_wr(st, _s); | |
| 1099 | case_rr(st, _i); | |
| 1100 | case_wr(st, _i); | |
| 1101 | case_rrr(stx, _c); | |
| 1102 | case_wrr(stx, _c); | |
| 1103 | case_rrr(stx, _s); | |
| 1104 | case_wrr(stx, _s); | |
| 1105 | case_rrr(stx, _i); | |
| 1106 | case_wrr(stx, _i); | |
| 1107 | case_brr(blt,); | |
| 1108 | case_brw(blt,); | |
| 1109 | case_brr(blt, _u); | |
| 1110 | case_brw(blt, _u); | |
| 1111 | case_brr(ble,); | |
| 1112 | case_brw(ble,); | |
| 1113 | case_brr(ble, _u); | |
| 1114 | case_brw(ble, _u); | |
| 1115 | case_brr(beq,); | |
| 1116 | case_brw(beq,); | |
| 1117 | case_brr(bge,); | |
| 1118 | case_brw(bge,); | |
| 1119 | case_brr(bge, _u); | |
| 1120 | case_brw(bge, _u); | |
| 1121 | case_brr(bgt,); | |
| 1122 | case_brw(bgt,); | |
| 1123 | case_brr(bgt, _u); | |
| 1124 | case_brw(bgt, _u); | |
| 1125 | case_brr(bne,); | |
| 1126 | case_brw(bne,); | |
| 1127 | case_brr(bms,); | |
| 1128 | case_brw(bms,); | |
| 1129 | case_brr(bmc,); | |
| 1130 | case_brw(bmc,); | |
| 1131 | case_brr(boadd,); | |
| 1132 | case_brw(boadd,); | |
| 1133 | case_brr(boadd, _u); | |
| 1134 | case_brw(boadd, _u); | |
| 1135 | case_brr(bxadd,); | |
| 1136 | case_brw(bxadd,); | |
| 1137 | case_brr(bxadd, _u); | |
| 1138 | case_brw(bxadd, _u); | |
| 1139 | case_brr(bosub,); | |
| 1140 | case_brw(bosub,); | |
| 1141 | case_brr(bosub, _u); | |
| 1142 | case_brw(bosub, _u); | |
| 1143 | case_brr(bxsub,); | |
| 1144 | case_brw(bxsub,); | |
| 1145 | case_brr(bxsub, _u); | |
| 1146 | case_brw(bxsub, _u); | |
| 1147 | case_rr(mov, _f); | |
| 1148 | case jit_code_movi_f: | |
| 1149 | assert(node->flag & jit_flag_data); | |
| 1150 | movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w); | |
| 1151 | break; | |
| 1152 | case_rr(mov, _d); | |
| 1153 | case jit_code_movi_d: | |
| 1154 | assert(node->flag & jit_flag_data); | |
| 1155 | movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w); | |
| 1156 | break; | |
| 1157 | case_rr(trunc, _f_i); | |
| 1158 | case_rr(trunc, _d_i); | |
| 1159 | case_rr(ext, _f); | |
| 1160 | case_rr(ext, _d); | |
| 1161 | case_rr(ext, _d_f); | |
| 1162 | case_rr(ext, _f_d); | |
| 1163 | case_rr(abs, _f); | |
| 1164 | case_rr(abs, _d); | |
| 1165 | case_rr(neg, _f); | |
| 1166 | case_rr(neg, _d); | |
| 1167 | case_rr(sqrt, _f); | |
| 1168 | case_rr(sqrt, _d); | |
| 1169 | case_rrr(add, _f); | |
| 1170 | case_rrf(add, _f, 32); | |
| 1171 | case_rrr(add, _d); | |
| 1172 | case_rrf(add, _d, 64); | |
| 1173 | case_rrr(sub, _f); | |
| 1174 | case_rrf(sub, _f, 32); | |
| 1175 | case_rrf(rsb, _f, 32); | |
| 1176 | case_rrr(sub, _d); | |
| 1177 | case_rrf(sub, _d, 64); | |
| 1178 | case_rrf(rsb, _d, 64); | |
| 1179 | case_rrr(mul, _f); | |
| 1180 | case_rrf(mul, _f, 32); | |
| 1181 | case_rrr(mul, _d); | |
| 1182 | case_rrf(mul, _d, 64); | |
| 1183 | case_rrr(div, _f); | |
| 1184 | case_rrf(div, _f, 32); | |
| 1185 | case_rrr(div, _d); | |
| 1186 | case_rrf(div, _d, 64); | |
| 1187 | case_rrr(lt, _f); | |
| 1188 | case_rrf(lt, _f, 32); | |
| 1189 | case_rrr(lt, _d); | |
| 1190 | case_rrf(lt, _d, 64); | |
| 1191 | case_rrr(le, _f); | |
| 1192 | case_rrf(le, _f, 32); | |
| 1193 | case_rrr(le, _d); | |
| 1194 | case_rrf(le, _d, 64); | |
| 1195 | case_rrr(eq, _f); | |
| 1196 | case_rrf(eq, _f, 32); | |
| 1197 | case_rrr(eq, _d); | |
| 1198 | case_rrf(eq, _d, 64); | |
| 1199 | case_rrr(ge, _f); | |
| 1200 | case_rrf(ge, _f, 32); | |
| 1201 | case_rrr(ge, _d); | |
| 1202 | case_rrf(ge, _d, 64); | |
| 1203 | case_rrr(gt, _f); | |
| 1204 | case_rrf(gt, _f, 32); | |
| 1205 | case_rrr(gt, _d); | |
| 1206 | case_rrf(gt, _d, 64); | |
| 1207 | case_rrr(ne, _f); | |
| 1208 | case_rrf(ne, _f, 32); | |
| 1209 | case_rrr(ne, _d); | |
| 1210 | case_rrf(ne, _d, 64); | |
| 1211 | case_rrr(unlt, _f); | |
| 1212 | case_rrf(unlt, _f, 32); | |
| 1213 | case_rrr(unlt, _d); | |
| 1214 | case_rrf(unlt, _d, 64); | |
| 1215 | case_rrr(unle, _f); | |
| 1216 | case_rrf(unle, _f, 32); | |
| 1217 | case_rrr(unle, _d); | |
| 1218 | case_rrf(unle, _d, 64); | |
| 1219 | case_rrr(uneq, _f); | |
| 1220 | case_rrf(uneq, _f, 32); | |
| 1221 | case_rrr(uneq, _d); | |
| 1222 | case_rrf(uneq, _d, 64); | |
| 1223 | case_rrr(unge, _f); | |
| 1224 | case_rrf(unge, _f, 32); | |
| 1225 | case_rrr(unge, _d); | |
| 1226 | case_rrf(unge, _d, 64); | |
| 1227 | case_rrr(ungt, _f); | |
| 1228 | case_rrf(ungt, _f, 32); | |
| 1229 | case_rrr(ungt, _d); | |
| 1230 | case_rrf(ungt, _d, 64); | |
| 1231 | case_rrr(ltgt, _f); | |
| 1232 | case_rrf(ltgt, _f, 32); | |
| 1233 | case_rrr(ltgt, _d); | |
| 1234 | case_rrf(ltgt, _d, 64); | |
| 1235 | case_rrr(ord, _f); | |
| 1236 | case_rrf(ord, _f, 32); | |
| 1237 | case_rrr(ord, _d); | |
| 1238 | case_rrf(ord, _d, 64); | |
| 1239 | case_rrr(unord, _f); | |
| 1240 | case_rrf(unord, _f, 32); | |
| 1241 | case_rrr(unord, _d); | |
| 1242 | case_rrf(unord, _d, 64); | |
| 1243 | case_rr(ld, _f); | |
| 1244 | case_rw(ld, _f); | |
| 1245 | case_rr(ld, _d); | |
| 1246 | case_rw(ld, _d); | |
| 1247 | case_rrr(ldx, _f); | |
| 1248 | case_rrw(ldx, _f); | |
| 1249 | case_rrr(ldx, _d); | |
| 1250 | case_rrw(ldx, _d); | |
| 1251 | case_rr(st, _f); | |
| 1252 | case_wr(st, _f); | |
| 1253 | case_rr(st, _d); | |
| 1254 | case_wr(st, _d); | |
| 1255 | case_rrr(stx, _f); | |
| 1256 | case_wrr(stx, _f); | |
| 1257 | case_rrr(stx, _d); | |
| 1258 | case_wrr(stx, _d); | |
| 1259 | case_brr(blt, _f); | |
| 1260 | case_brf(blt, _f, 32); | |
| 1261 | case_brr(blt, _d); | |
| 1262 | case_brf(blt, _d, 64); | |
| 1263 | case_brr(ble, _f); | |
| 1264 | case_brf(ble, _f, 32); | |
| 1265 | case_brr(ble, _d); | |
| 1266 | case_brf(ble, _d, 64); | |
| 1267 | case_brr(beq, _f); | |
| 1268 | case_brf(beq, _f, 32); | |
| 1269 | case_brr(beq, _d); | |
| 1270 | case_brf(beq, _d, 64); | |
| 1271 | case_brr(bge, _f); | |
| 1272 | case_brf(bge, _f, 32); | |
| 1273 | case_brr(bge, _d); | |
| 1274 | case_brf(bge, _d, 64); | |
| 1275 | case_brr(bgt, _f); | |
| 1276 | case_brf(bgt, _f, 32); | |
| 1277 | case_brr(bgt, _d); | |
| 1278 | case_brf(bgt, _d, 64); | |
| 1279 | case_brr(bne, _f); | |
| 1280 | case_brf(bne, _f, 32); | |
| 1281 | case_brr(bne, _d); | |
| 1282 | case_brf(bne, _d, 64); | |
| 1283 | case_brr(bunlt, _f); | |
| 1284 | case_brf(bunlt, _f, 32); | |
| 1285 | case_brr(bunlt, _d); | |
| 1286 | case_brf(bunlt, _d, 64); | |
| 1287 | case_brr(bunle, _f); | |
| 1288 | case_brf(bunle, _f, 32); | |
| 1289 | case_brr(bunle, _d); | |
| 1290 | case_brf(bunle, _d, 64); | |
| 1291 | case_brr(buneq, _f); | |
| 1292 | case_brf(buneq, _f, 32); | |
| 1293 | case_brr(buneq, _d); | |
| 1294 | case_brf(buneq, _d, 64); | |
| 1295 | case_brr(bunge, _f); | |
| 1296 | case_brf(bunge, _f, 32); | |
| 1297 | case_brr(bunge, _d); | |
| 1298 | case_brf(bunge, _d, 64); | |
| 1299 | case_brr(bungt, _f); | |
| 1300 | case_brf(bungt, _f, 32); | |
| 1301 | case_brr(bungt, _d); | |
| 1302 | case_brf(bungt, _d, 64); | |
| 1303 | case_brr(bltgt, _f); | |
| 1304 | case_brf(bltgt, _f, 32); | |
| 1305 | case_brr(bltgt, _d); | |
| 1306 | case_brf(bltgt, _d, 64); | |
| 1307 | case_brr(bord, _f); | |
| 1308 | case_brf(bord, _f, 32); | |
| 1309 | case_brr(bord, _d); | |
| 1310 | case_brf(bord, _d, 64); | |
| 1311 | case_brr(bunord, _f); | |
| 1312 | case_brf(bunord, _f, 32); | |
| 1313 | case_brr(bunord, _d); | |
| 1314 | case_brf(bunord, _d, 64); | |
| 1315 | case jit_code_jmpr: | |
| 1316 | jmpr(rn(node->u.w)); | |
| 1317 | break; | |
| 1318 | case jit_code_jmpi: | |
| 1319 | if (node->flag & jit_flag_node) { | |
| 1320 | temp = node->u.n; | |
| 1321 | assert(temp->code == jit_code_label || | |
| 1322 | temp->code == jit_code_epilog); | |
| 1323 | if (temp->flag & jit_flag_patch) | |
| 1324 | jmpi(temp->u.w); | |
| 1325 | else { | |
| 1326 | word = jmpi_p(_jit->pc.w); | |
| 1327 | patch(word, node); | |
| 1328 | } | |
| 1329 | } | |
| 1330 | else | |
| 1331 | jmpi(node->u.w); | |
| 1332 | break; | |
| 1333 | case jit_code_callr: | |
| 1334 | callr(rn(node->u.w)); | |
| 1335 | break; | |
| 1336 | case jit_code_calli: | |
| 1337 | if (node->flag & jit_flag_node) { | |
| 1338 | temp = node->u.n; | |
| 1339 | assert(temp->code == jit_code_label || | |
| 1340 | temp->code == jit_code_epilog); | |
| 1341 | if (!(temp->flag & jit_flag_patch)) { | |
| 1342 | word = calli_p(temp->u.w); | |
| 1343 | patch(word, node); | |
| 1344 | } | |
| 1345 | else | |
| 1346 | calli(temp->u.w); | |
| 1347 | } | |
| 1348 | else | |
| 1349 | calli(node->u.w); | |
| 1350 | break; | |
| 1351 | case jit_code_prolog: | |
| 1352 | _jitc->function = _jitc->functions.ptr + node->w.w; | |
| 1353 | undo.node = node; | |
| 1354 | undo.word = _jit->pc.w; | |
| 1355 | #if DEVEL_DISASSEMBLER | |
| 1356 | undo.prevw = prevw; | |
| 1357 | #endif | |
| 1358 | undo.patch_offset = _jitc->patches.offset; | |
| 1359 | restart_function: | |
| 1360 | _jitc->again = 0; | |
| 1361 | prolog(node); | |
| 1362 | break; | |
| 1363 | case jit_code_epilog: | |
| 1364 | assert(_jitc->function == _jitc->functions.ptr + node->w.w); | |
| 1365 | if (_jitc->again) { | |
| 1366 | for (temp = undo.node->next; | |
| 1367 | temp != node; temp = temp->next) { | |
| 1368 | if (temp->code == jit_code_label || | |
| 1369 | temp->code == jit_code_epilog) | |
| 1370 | temp->flag &= ~jit_flag_patch; | |
| 1371 | } | |
| 1372 | temp->flag &= ~jit_flag_patch; | |
| 1373 | node = undo.node; | |
| 1374 | _jit->pc.w = undo.word; | |
| 1375 | #if DEVEL_DISASSEMBLER | |
| 1376 | prevw = undo.prevw; | |
| 1377 | #endif | |
| 1378 | _jitc->patches.offset = undo.patch_offset; | |
| 1379 | goto restart_function; | |
| 1380 | } | |
| 1381 | /* remember label is defined */ | |
| 1382 | node->flag |= jit_flag_patch; | |
| 1383 | node->u.w = _jit->pc.w; | |
| 1384 | epilog(node); | |
| 1385 | _jitc->function = NULL; | |
| 1386 | break; | |
| 1387 | case jit_code_va_start: | |
| 1388 | vastart(rn(node->u.w)); | |
| 1389 | break; | |
| 1390 | case jit_code_va_arg: | |
| 1391 | vaarg(rn(node->u.w), rn(node->v.w)); | |
| 1392 | break; | |
| 1393 | case jit_code_va_arg_d: | |
| 1394 | vaarg_d(rn(node->u.w), rn(node->v.w)); | |
| 1395 | break; | |
| 1396 | case jit_code_live: | |
| 1397 | case jit_code_arg: case jit_code_ellipsis: | |
| 1398 | case jit_code_va_push: | |
| 1399 | case jit_code_allocai: case jit_code_allocar: | |
| 1400 | case jit_code_arg_f: case jit_code_arg_d: | |
| 1401 | case jit_code_va_end: | |
| 1402 | case jit_code_ret: | |
| 1403 | case jit_code_retr: case jit_code_reti: | |
| 1404 | case jit_code_retr_f: case jit_code_reti_f: | |
| 1405 | case jit_code_retr_d: case jit_code_reti_d: | |
| 1406 | case jit_code_getarg_c: case jit_code_getarg_uc: | |
| 1407 | case jit_code_getarg_s: case jit_code_getarg_us: | |
| 1408 | case jit_code_getarg_i: | |
| 1409 | case jit_code_getarg_f: case jit_code_getarg_d: | |
| 1410 | case jit_code_putargr: case jit_code_putargi: | |
| 1411 | case jit_code_putargr_f: case jit_code_putargi_f: | |
| 1412 | case jit_code_putargr_d: case jit_code_putargi_d: | |
| 1413 | case jit_code_pushargr: case jit_code_pushargi: | |
| 1414 | case jit_code_pushargr_f: case jit_code_pushargi_f: | |
| 1415 | case jit_code_pushargr_d: case jit_code_pushargi_d: | |
| 1416 | case jit_code_retval_c: case jit_code_retval_uc: | |
| 1417 | case jit_code_retval_s: case jit_code_retval_us: | |
| 1418 | case jit_code_retval_i: | |
| 1419 | case jit_code_retval_f: case jit_code_retval_d: | |
| 1420 | case jit_code_prepare: | |
| 1421 | case jit_code_finishr: case jit_code_finishi: | |
| 1422 | break; | |
| 1423 | default: | |
| 1424 | abort(); | |
| 1425 | } | |
| 1426 | jit_regarg_clr(node, value); | |
| 1427 | assert(_jitc->regarg == 0 && _jitc->synth == 0); | |
| 1428 | /* update register live state */ | |
| 1429 | jit_reglive(node); | |
| 1430 | } | |
| 1431 | #undef case_brf | |
| 1432 | #undef case_brw | |
| 1433 | #undef case_brr | |
| 1434 | #undef case_wrr | |
| 1435 | #undef case_rrf | |
| 1436 | #undef case_rrrw | |
| 1437 | #undef case_rrw | |
| 1438 | #undef case_rrrr | |
| 1439 | #undef case_rrr | |
| 1440 | #undef case_wr | |
| 1441 | #undef case_rw | |
| 1442 | #undef case_rr | |
| 1443 | ||
| 1444 | for (offset = 0; offset < _jitc->patches.offset; offset++) { | |
| 1445 | node = _jitc->patches.ptr[offset].node; | |
| 1446 | word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w; | |
| 1447 | patch_at(_jitc->patches.ptr[offset].inst, word); | |
| 1448 | } | |
| 1449 | ||
| 1450 | jit_flush(_jit->code.ptr, _jit->pc.uc); | |
| 1451 | ||
| 1452 | return (_jit->code.ptr); | |
| 1453 | } | |
| 1454 | ||
| 1455 | #define CODE 1 | |
| 1456 | # include "jit_hppa-cpu.c" | |
| 1457 | # include "jit_hppa-fpu.c" | |
| 1458 | #undef CODE | |
| 1459 | ||
| 1460 | void | |
| 1461 | jit_flush(void *fptr, void *tptr) | |
| 1462 | { | |
| 1463 | jit_word_t f, t, s; | |
| 1464 | s = sysconf(_SC_PAGE_SIZE); | |
| 1465 | f = (jit_word_t)fptr & -s; | |
| 1466 | t = (((jit_word_t)tptr) + s - 1) & -s; | |
| 1467 | #if defined(__hppa) | |
| 1468 | /* --- parisc2.0.pdf --- | |
| 1469 | Programming Note | |
| 1470 | ||
| 1471 | The minimum spacing that is guaranteed to work for "self-modifying code" is | |
| 1472 | shown in the code segment below. Since instruction prefetching is permitted, | |
| 1473 | any data cache flushes must be separated from any instruction cache flushes | |
| 1474 | by a SYNC. This will ensure that the "new" instruction will be written to | |
| 1475 | memory prior to any attempts at prefetching it as an instruction. | |
| 1476 | ||
| 1477 | LDIL l%newinstr,rnew | |
| 1478 | LDW r%newinstr(0,rnew),temp | |
| 1479 | LDIL l%instr,rinstr | |
| 1480 | STW temp,r%instr(0,rinstr) | |
| 1481 | FDC r%instr(0,rinstr) | |
| 1482 | SYNC | |
| 1483 | FIC r%instr(rinstr) | |
| 1484 | SYNC | |
| 1485 | instr ... | |
| 1486 | (at least seven instructions) | |
| 1487 | ||
| 1488 | This sequence assumes a uniprocessor system. In a multiprocessor system, | |
| 1489 | software must ensure no processor is executing code which is in the process | |
| 1490 | of being modified. | |
| 1491 | */ | |
| 1492 | ||
| 1493 | /* | |
| 1494 | Adapted from ffcall/trampoline/cache-hppa.c:__TR_clear_cache to | |
| 1495 | loop over addresses as it is unlikely from and to addresses would fit in | |
| 1496 | at most two cachelines. | |
| 1497 | FIXME A cache line can be 16, 32, or 64 bytes. | |
| 1498 | */ | |
| 1499 | /* | |
| 1500 | * Copyright 1995-1997 Bruno Haible, <bruno@clisp.org> | |
| 1501 | * | |
| 1502 | * This is free software distributed under the GNU General Public Licence | |
| 1503 | * described in the file COPYING. Contact the author if you don't have this | |
| 1504 | * or can't live with it. There is ABSOLUTELY NO WARRANTY, explicit or implied, | |
| 1505 | * on this software. | |
| 1506 | */ | |
| 1507 | { | |
| 1508 | jit_word_t n = f + 32; | |
| 1509 | register int u, v; | |
| 1510 | for (; f <= t; n = f + 32, f += 64) { | |
| 1511 | asm volatile ("fdc 0(0,%0)" | |
| 1512 | "\n\t" "fdc 0(0,%1)" | |
| 1513 | "\n\t" "sync" | |
| 1514 | : | |
| 1515 | : "r" (f), "r" (n) | |
| 1516 | ); | |
| 1517 | asm volatile ("mfsp %%sr0,%1" | |
| 1518 | "\n\t" "ldsid (0,%4),%0" | |
| 1519 | "\n\t" "mtsp %0,%%sr0" | |
| 1520 | "\n\t" "fic 0(%%sr0,%2)" | |
| 1521 | "\n\t" "fic 0(%%sr0,%3)" | |
| 1522 | "\n\t" "sync" | |
| 1523 | "\n\t" "mtsp %1,%%sr0" | |
| 1524 | "\n\t" "nop" | |
| 1525 | "\n\t" "nop" | |
| 1526 | "\n\t" "nop" | |
| 1527 | "\n\t" "nop" | |
| 1528 | "\n\t" "nop" | |
| 1529 | "\n\t" "nop" | |
| 1530 | : "=r" (u), "=r" (v) | |
| 1531 | : "r" (f), "r" (n), "r" (f) | |
| 1532 | ); | |
| 1533 | } | |
| 1534 | } | |
| 1535 | #else | |
| 1536 | /* This is supposed to work but appears to fail on multiprocessor systems */ | |
| 1537 | __clear_cache((void *)f, (void *)t); | |
| 1538 | #endif | |
| 1539 | } | |
| 1540 | ||
| 1541 | void | |
| 1542 | _emit_ldxi(jit_state_t *_jit, jit_gpr_t r0, jit_gpr_t r1, jit_word_t i0) | |
| 1543 | { | |
| 1544 | ldxi(rn(r0), rn(r1), i0); | |
| 1545 | } | |
| 1546 | ||
| 1547 | void | |
| 1548 | _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_gpr_t r1) | |
| 1549 | { | |
| 1550 | stxi(i0, rn(r0), rn(r1)); | |
| 1551 | } | |
| 1552 | ||
| 1553 | void | |
| 1554 | _emit_ldxi_d(jit_state_t *_jit, jit_fpr_t r0, jit_gpr_t r1, jit_word_t i0) | |
| 1555 | { | |
| 1556 | ldxi_d(rn(r0), rn(r1), i0); | |
| 1557 | } | |
| 1558 | ||
| 1559 | void | |
| 1560 | _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_fpr_t r1) | |
| 1561 | { | |
| 1562 | stxi_d(i0, rn(r0), rn(r1)); | |
| 1563 | } | |
| 1564 | ||
| 1565 | static void | |
| 1566 | _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node) | |
| 1567 | { | |
| 1568 | jit_int32_t flag; | |
| 1569 | ||
| 1570 | assert(node->flag & jit_flag_node); | |
| 1571 | if (node->code == jit_code_movi) | |
| 1572 | flag = node->v.n->flag; | |
| 1573 | else | |
| 1574 | flag = node->u.n->flag; | |
| 1575 | assert(!(flag & jit_flag_patch)); | |
| 1576 | if (_jitc->patches.offset >= _jitc->patches.length) { | |
| 1577 | jit_realloc((jit_pointer_t *)&_jitc->patches.ptr, | |
| 1578 | _jitc->patches.length * sizeof(jit_patch_t), | |
| 1579 | (_jitc->patches.length + 1024) * sizeof(jit_patch_t)); | |
| 1580 | _jitc->patches.length += 1024; | |
| 1581 | } | |
| 1582 | _jitc->patches.ptr[_jitc->patches.offset].inst = instr; | |
| 1583 | _jitc->patches.ptr[_jitc->patches.offset].node = node; | |
| 1584 | ++_jitc->patches.offset; | |
| 1585 | } |