| 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 | #if __WORDSIZE == 32 |
| 24 | # define NUM_FLOAT_REG_ARGS 2 |
| 25 | #else |
| 26 | # define NUM_FLOAT_REG_ARGS 4 |
| 27 | #endif |
| 28 | #define jit_arg_reg_p(i) ((i) >= 0 && (i) < 5) |
| 29 | #define jit_arg_f_reg_p(i) ((i) >= 0 && (i) < NUM_FLOAT_REG_ARGS) |
| 30 | |
| 31 | /* |
| 32 | * Types |
| 33 | */ |
| 34 | typedef struct jit_va_list { |
| 35 | /* The offsets are "1" based, as addresses are fixed in the |
| 36 | * standard stack frame format. */ |
| 37 | jit_word_t gpoff; |
| 38 | jit_word_t fpoff; |
| 39 | |
| 40 | /* Easier when there is an explicitly defined type... |
| 41 | (gdb) ptype ap |
| 42 | type = struct __va_list_tag { |
| 43 | long __gpr; |
| 44 | long __fpr; |
| 45 | void *__overflow_arg_area; |
| 46 | void *__reg_save_area; |
| 47 | |
| 48 | Note that gopff (__gpr) and fpoff (__fpr) are jit_word_t equivalent |
| 49 | and, again, "1" (unit) based, so must be adjusted at va_arg time. |
| 50 | */ |
| 51 | jit_pointer_t over; |
| 52 | jit_pointer_t save; |
| 53 | |
| 54 | /* For variadic functions, always allocate space to save callee |
| 55 | * save fpr registers. |
| 56 | * Note that s390 has a standard stack frame format that lightning |
| 57 | * does not fully comply with, but for variadic functions it must, |
| 58 | * for those (variadic) do not use the "empty" spaces for any |
| 59 | * callee save fpr register, but save them after the va_list |
| 60 | * space; and use the standard stack frame format, as required |
| 61 | * by variadic functions (and have a compatible va_list pointer). */ |
| 62 | jit_float64_t f8; |
| 63 | jit_float64_t f9; |
| 64 | jit_float64_t f10; |
| 65 | jit_float64_t f11; |
| 66 | jit_float64_t f12; |
| 67 | jit_float64_t f13; |
| 68 | jit_float64_t f14; |
| 69 | jit_float64_t f15; |
| 70 | } jit_va_list_t; |
| 71 | |
| 72 | /* |
| 73 | * Prototypes |
| 74 | */ |
| 75 | #define jit_get_reg_pair() _jit_get_reg_pair(_jit) |
| 76 | static jit_int32_t _jit_get_reg_pair(jit_state_t*); |
| 77 | #define jit_unget_reg_pair(regno) _jit_unget_reg_pair(_jit,regno) |
| 78 | static void _jit_unget_reg_pair(jit_state_t*,jit_int32_t); |
| 79 | #define jit_get_reg_but_zero(flags) _jit_get_reg_but_zero(_jit,flags) |
| 80 | static jit_int32_t _jit_get_reg_but_zero(jit_state_t*,jit_int32_t); |
| 81 | #define jit_unget_reg_but_zero(reg) jit_unget_reg(reg) |
| 82 | #define patch(instr, node) _patch(_jit, instr, node) |
| 83 | static void _patch(jit_state_t*,jit_word_t,jit_node_t*); |
| 84 | |
| 85 | /* libgcc */ |
| 86 | extern void __clear_cache(void *, void *); |
| 87 | |
| 88 | #define PROTO 1 |
| 89 | # include "jit_s390-cpu.c" |
| 90 | # include "jit_s390-fpu.c" |
| 91 | #undef PROTO |
| 92 | |
| 93 | /* |
| 94 | * Initialization |
| 95 | */ |
| 96 | jit_register_t _rvs[] = { |
| 97 | { rc(gpr) | 0x0, "%r0" }, |
| 98 | { rc(gpr) | 0x1, "%r1" }, |
| 99 | { rc(gpr) | rc(sav) | 0xc, "%r12" }, |
| 100 | { rc(gpr) | rc(sav) | 0xb, "%r11" }, |
| 101 | { rc(gpr) | rc(sav) | 0xa, "%r10" }, |
| 102 | { rc(gpr) | rc(sav) | 0x9, "%r9" }, |
| 103 | { rc(gpr) | rc(sav) | 0x8, "%r8" }, |
| 104 | { rc(gpr) | rc(sav) | 0x7, "%r7" }, |
| 105 | { rc(gpr) | rc(arg) | rc(sav) | 0x6,"%r6" }, |
| 106 | { rc(gpr) | rc(arg) | 0x5, "%r5" }, |
| 107 | { rc(gpr) | rc(arg) | 0x4, "%r4" }, |
| 108 | { rc(gpr) | rc(arg) | 0x3, "%r3" }, |
| 109 | { rc(gpr) | rc(arg) | 0x2, "%r2" }, |
| 110 | { rc(sav) | 0xd, "%r13" }, /* used as JIT_FP */ |
| 111 | { 0xe, "%r14" }, |
| 112 | { rc(sav) | 0xf, "%r15" }, |
| 113 | { rc(fpr) | 0x1, "%f1" }, |
| 114 | { rc(fpr) | 0x3, "%f3" }, |
| 115 | { rc(fpr) | 0x5, "%f5" }, |
| 116 | { rc(fpr) | 0x7, "%f7" }, |
| 117 | { rc(fpr) | rc(sav) | 0xe, "%f14" }, |
| 118 | /* Do not use as temporary to simplify stack layout */ |
| 119 | { 0xf, "%f15" }, |
| 120 | { rc(fpr) | rc(sav) | 0x8, "%f8" }, |
| 121 | { rc(fpr) | rc(sav) | 0x9, "%f9" }, |
| 122 | { rc(fpr) | rc(sav) | 0xa, "%f10" }, |
| 123 | { rc(fpr) | rc(sav) | 0xb, "%f11" }, |
| 124 | { rc(fpr) | rc(sav) | 0xc, "%f12" }, |
| 125 | { rc(fpr) | rc(sav) | 0xd, "%f13" }, |
| 126 | { rc(fpr) | rc(arg) | 0x6, "%f6" }, |
| 127 | { rc(fpr) | rc(arg) | 0x4, "%f4" }, |
| 128 | { rc(fpr) | rc(arg) | 0x2, "%f2" }, |
| 129 | { rc(fpr) | rc(arg) | 0x0, "%f0" }, |
| 130 | { _NOREG, "<none>" }, |
| 131 | }; |
| 132 | |
| 133 | /* |
| 134 | * Implementation |
| 135 | */ |
| 136 | void |
| 137 | jit_get_cpu(void) |
| 138 | { |
| 139 | } |
| 140 | |
| 141 | void |
| 142 | _jit_init(jit_state_t *_jit) |
| 143 | { |
| 144 | _jitc->reglen = jit_size(_rvs) - 1; |
| 145 | } |
| 146 | |
| 147 | void |
| 148 | _jit_prolog(jit_state_t *_jit) |
| 149 | { |
| 150 | jit_int32_t offset; |
| 151 | |
| 152 | if (_jitc->function) |
| 153 | jit_epilog(); |
| 154 | assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0); |
| 155 | jit_regset_set_ui(&_jitc->regsav, 0); |
| 156 | offset = _jitc->functions.offset; |
| 157 | if (offset >= _jitc->functions.length) { |
| 158 | jit_realloc((jit_pointer_t *)&_jitc->functions.ptr, |
| 159 | _jitc->functions.length * sizeof(jit_function_t), |
| 160 | (_jitc->functions.length + 16) * sizeof(jit_function_t)); |
| 161 | _jitc->functions.length += 16; |
| 162 | } |
| 163 | _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++; |
| 164 | _jitc->function->self.size = stack_framesize; |
| 165 | _jitc->function->self.argi = _jitc->function->self.argf = |
| 166 | _jitc->function->self.aoff = _jitc->function->self.alen = 0; |
| 167 | /* preallocate 8 bytes if not using a constant data buffer */ |
| 168 | if (_jitc->no_data) |
| 169 | _jitc->function->self.aoff = -8; |
| 170 | _jitc->function->self.call = jit_call_default; |
| 171 | jit_alloc((jit_pointer_t *)&_jitc->function->regoff, |
| 172 | _jitc->reglen * sizeof(jit_int32_t)); |
| 173 | |
| 174 | /* _no_link here does not mean the jit_link() call can be removed |
| 175 | * by rewriting as: |
| 176 | * _jitc->function->prolog = jit_new_node(jit_code_prolog); |
| 177 | */ |
| 178 | _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog); |
| 179 | jit_link(_jitc->function->prolog); |
| 180 | _jitc->function->prolog->w.w = offset; |
| 181 | _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog); |
| 182 | /* u: label value |
| 183 | * v: offset in blocks vector |
| 184 | * w: offset in functions vector |
| 185 | */ |
| 186 | _jitc->function->epilog->w.w = offset; |
| 187 | |
| 188 | jit_regset_new(&_jitc->function->regset); |
| 189 | } |
| 190 | |
| 191 | jit_int32_t |
| 192 | _jit_allocai(jit_state_t *_jit, jit_int32_t length) |
| 193 | { |
| 194 | assert(_jitc->function); |
| 195 | switch (length) { |
| 196 | case 0: case 1: break; |
| 197 | case 2: _jitc->function->self.aoff &= -2; break; |
| 198 | case 3: case 4: _jitc->function->self.aoff &= -4; break; |
| 199 | default: _jitc->function->self.aoff &= -8; break; |
| 200 | } |
| 201 | _jitc->function->self.aoff -= length; |
| 202 | if (!_jitc->realize) { |
| 203 | jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length); |
| 204 | jit_dec_synth(); |
| 205 | } |
| 206 | return (_jitc->function->self.aoff); |
| 207 | } |
| 208 | |
| 209 | void |
| 210 | _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v) |
| 211 | { |
| 212 | jit_int32_t reg; |
| 213 | assert(_jitc->function); |
| 214 | jit_inc_synth_ww(allocar, u, v); |
| 215 | if (!_jitc->function->allocar) { |
| 216 | _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t)); |
| 217 | _jitc->function->allocar = 1; |
| 218 | } |
| 219 | reg = jit_get_reg(jit_class_gpr); |
| 220 | jit_negr(reg, v); |
| 221 | jit_andi(reg, reg, -8); |
| 222 | jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff); |
| 223 | jit_addr(u, u, reg); |
| 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 | if (u->code == jit_code_arg) |
| 309 | return (jit_arg_reg_p(u->u.w)); |
| 310 | assert(u->code == jit_code_arg_f || u->code == jit_code_arg_d); |
| 311 | return (jit_arg_f_reg_p(u->u.w)); |
| 312 | } |
| 313 | |
| 314 | void |
| 315 | _jit_ellipsis(jit_state_t *_jit) |
| 316 | { |
| 317 | jit_inc_synth(ellipsis); |
| 318 | if (_jitc->prepare) { |
| 319 | jit_link_prepare(); |
| 320 | assert(!(_jitc->function->call.call & jit_call_varargs)); |
| 321 | _jitc->function->call.call |= jit_call_varargs; |
| 322 | } |
| 323 | else { |
| 324 | jit_link_prolog(); |
| 325 | assert(!(_jitc->function->self.call & jit_call_varargs)); |
| 326 | _jitc->function->self.call |= jit_call_varargs; |
| 327 | |
| 328 | /* Allocate va_list like object in the stack. */ |
| 329 | _jitc->function->vaoff = jit_allocai(sizeof(jit_va_list_t)); |
| 330 | |
| 331 | /* Initialize gp offset in save area. */ |
| 332 | if (jit_arg_reg_p(_jitc->function->self.argi)) |
| 333 | _jitc->function->vagp = _jitc->function->self.argi; |
| 334 | else |
| 335 | _jitc->function->vagp = 5; |
| 336 | |
| 337 | /* Initialize fp offset in save area. */ |
| 338 | if (jit_arg_f_reg_p(_jitc->function->self.argf)) |
| 339 | _jitc->function->vafp = _jitc->function->self.argf; |
| 340 | else |
| 341 | _jitc->function->vafp = NUM_FLOAT_REG_ARGS; |
| 342 | } |
| 343 | jit_dec_synth(); |
| 344 | } |
| 345 | |
| 346 | void |
| 347 | _jit_va_push(jit_state_t *_jit, jit_int32_t u) |
| 348 | { |
| 349 | jit_inc_synth_w(va_push, u); |
| 350 | jit_pushargr(u); |
| 351 | jit_dec_synth(); |
| 352 | } |
| 353 | |
| 354 | jit_node_t * |
| 355 | _jit_arg(jit_state_t *_jit) |
| 356 | { |
| 357 | jit_node_t *node; |
| 358 | jit_int32_t offset; |
| 359 | assert(_jitc->function); |
| 360 | if (jit_arg_reg_p(_jitc->function->self.argi)) |
| 361 | offset = _jitc->function->self.argi++; |
| 362 | else { |
| 363 | offset = _jitc->function->self.size; |
| 364 | _jitc->function->self.size += sizeof(jit_word_t); |
| 365 | } |
| 366 | node = jit_new_node_ww(jit_code_arg, offset, |
| 367 | ++_jitc->function->self.argn); |
| 368 | jit_link_prolog(); |
| 369 | return (node); |
| 370 | } |
| 371 | |
| 372 | jit_node_t * |
| 373 | _jit_arg_f(jit_state_t *_jit) |
| 374 | { |
| 375 | jit_node_t *node; |
| 376 | jit_int32_t offset; |
| 377 | assert(_jitc->function); |
| 378 | if (jit_arg_f_reg_p(_jitc->function->self.argf)) |
| 379 | offset = _jitc->function->self.argf++; |
| 380 | else { |
| 381 | offset = _jitc->function->self.size; |
| 382 | _jitc->function->self.size += sizeof(jit_word_t); |
| 383 | } |
| 384 | node = jit_new_node_ww(jit_code_arg_f, offset, |
| 385 | ++_jitc->function->self.argn); |
| 386 | jit_link_prolog(); |
| 387 | return (node); |
| 388 | } |
| 389 | |
| 390 | jit_node_t * |
| 391 | _jit_arg_d(jit_state_t *_jit) |
| 392 | { |
| 393 | jit_node_t *node; |
| 394 | jit_int32_t offset; |
| 395 | assert(_jitc->function); |
| 396 | if (jit_arg_f_reg_p(_jitc->function->self.argf)) |
| 397 | offset = _jitc->function->self.argf++; |
| 398 | else { |
| 399 | offset = _jitc->function->self.size; |
| 400 | _jitc->function->self.size += sizeof(jit_float64_t); |
| 401 | } |
| 402 | node = jit_new_node_ww(jit_code_arg_d, offset, |
| 403 | ++_jitc->function->self.argn); |
| 404 | jit_link_prolog(); |
| 405 | return (node); |
| 406 | } |
| 407 | |
| 408 | void |
| 409 | _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 410 | { |
| 411 | assert(v->code == jit_code_arg); |
| 412 | jit_inc_synth_wp(getarg_c, u, v); |
| 413 | if (jit_arg_reg_p(v->u.w)) |
| 414 | jit_extr_c(u, _R2 - v->u.w); |
| 415 | else |
| 416 | jit_ldxi_c(u, JIT_FP, |
| 417 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int8_t)); |
| 418 | jit_dec_synth(); |
| 419 | } |
| 420 | |
| 421 | void |
| 422 | _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 423 | { |
| 424 | assert(v->code == jit_code_arg); |
| 425 | jit_inc_synth_wp(getarg_uc, u, v); |
| 426 | if (jit_arg_reg_p(v->u.w)) |
| 427 | jit_extr_uc(u, _R2 - v->u.w); |
| 428 | else |
| 429 | jit_ldxi_uc(u, JIT_FP, |
| 430 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint8_t)); |
| 431 | jit_dec_synth(); |
| 432 | } |
| 433 | |
| 434 | void |
| 435 | _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 436 | { |
| 437 | assert(v->code == jit_code_arg); |
| 438 | jit_inc_synth_wp(getarg_s, u, v); |
| 439 | if (jit_arg_reg_p(v->u.w)) |
| 440 | jit_extr_s(u, _R2 - v->u.w); |
| 441 | else |
| 442 | jit_ldxi_s(u, JIT_FP, |
| 443 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int16_t)); |
| 444 | jit_dec_synth(); |
| 445 | } |
| 446 | |
| 447 | void |
| 448 | _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 449 | { |
| 450 | assert(v->code == jit_code_arg); |
| 451 | jit_inc_synth_wp(getarg_us, u, v); |
| 452 | if (jit_arg_reg_p(v->u.w)) |
| 453 | jit_extr_us(u, _R2 - v->u.w); |
| 454 | else |
| 455 | jit_ldxi_us(u, JIT_FP, |
| 456 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint16_t)); |
| 457 | jit_dec_synth(); |
| 458 | } |
| 459 | |
| 460 | void |
| 461 | _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 462 | { |
| 463 | assert(v->code == jit_code_arg); |
| 464 | jit_inc_synth_wp(getarg_i, u, v); |
| 465 | if (jit_arg_reg_p(v->u.w)) { |
| 466 | #if __WORDSIZE == 32 |
| 467 | jit_movr(u, _R2 - v->u.w); |
| 468 | #else |
| 469 | jit_extr_i(u, _R2 - v->u.w); |
| 470 | #endif |
| 471 | } |
| 472 | else |
| 473 | jit_ldxi_i(u, JIT_FP, |
| 474 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int32_t)); |
| 475 | jit_dec_synth(); |
| 476 | } |
| 477 | |
| 478 | #if __WORDSIZE == 64 |
| 479 | void |
| 480 | _jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 481 | { |
| 482 | assert(v->code == jit_code_arg); |
| 483 | jit_inc_synth_wp(getarg_ui, u, v); |
| 484 | if (jit_arg_reg_p(v->u.w)) |
| 485 | jit_extr_ui(u, _R2 - v->u.w); |
| 486 | else |
| 487 | jit_ldxi_ui(u, JIT_FP, |
| 488 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint32_t)); |
| 489 | jit_dec_synth(); |
| 490 | } |
| 491 | |
| 492 | void |
| 493 | _jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 494 | { |
| 495 | assert(v->code == jit_code_arg); |
| 496 | jit_inc_synth_wp(getarg_l, u, v); |
| 497 | if (jit_arg_reg_p(v->u.w)) |
| 498 | jit_movr(u, _R2 - v->u.w); |
| 499 | else |
| 500 | jit_ldxi_l(u, JIT_FP, v->u.w); |
| 501 | jit_dec_synth(); |
| 502 | } |
| 503 | #endif |
| 504 | |
| 505 | void |
| 506 | _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 507 | { |
| 508 | assert(v->code == jit_code_arg); |
| 509 | jit_inc_synth_wp(putargr, u, v); |
| 510 | if (jit_arg_reg_p(v->u.w)) |
| 511 | jit_movr(_R2 - v->u.w, u); |
| 512 | else |
| 513 | jit_stxi(v->u.w, JIT_FP, u); |
| 514 | jit_dec_synth(); |
| 515 | } |
| 516 | |
| 517 | void |
| 518 | _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v) |
| 519 | { |
| 520 | jit_int32_t regno; |
| 521 | assert(v->code == jit_code_arg); |
| 522 | jit_inc_synth_wp(putargi, u, v); |
| 523 | if (jit_arg_reg_p(v->u.w)) |
| 524 | jit_movi(_R2 - v->u.w, u); |
| 525 | else { |
| 526 | regno = jit_get_reg(jit_class_gpr); |
| 527 | jit_movi(regno, u); |
| 528 | jit_stxi(v->u.w, JIT_FP, regno); |
| 529 | jit_unget_reg(regno); |
| 530 | } |
| 531 | jit_dec_synth(); |
| 532 | } |
| 533 | |
| 534 | void |
| 535 | _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 536 | { |
| 537 | assert(v->code == jit_code_arg_f); |
| 538 | jit_inc_synth_wp(getarg_f, u, v); |
| 539 | if (jit_arg_f_reg_p(v->u.w)) |
| 540 | jit_movr_f(u, _F0 - v->u.w); |
| 541 | else |
| 542 | jit_ldxi_f(u, JIT_FP, |
| 543 | v->u.w |
| 544 | #if __WORDSIZE == 64 |
| 545 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) |
| 546 | #endif |
| 547 | ); |
| 548 | jit_dec_synth(); |
| 549 | } |
| 550 | |
| 551 | void |
| 552 | _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 553 | { |
| 554 | assert(v->code == jit_code_arg_f); |
| 555 | jit_inc_synth_wp(putargr_f, u, v); |
| 556 | if (jit_arg_f_reg_p(v->u.w)) |
| 557 | jit_movr_f(_F0 - v->u.w, u); |
| 558 | else |
| 559 | jit_stxi_f(v->u.w |
| 560 | #if __WORDSIZE == 64 |
| 561 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) |
| 562 | #endif |
| 563 | , JIT_FP, u); |
| 564 | jit_dec_synth(); |
| 565 | } |
| 566 | |
| 567 | void |
| 568 | _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v) |
| 569 | { |
| 570 | jit_int32_t regno; |
| 571 | assert(v->code == jit_code_arg_f); |
| 572 | jit_inc_synth_fp(putargi_f, u, v); |
| 573 | if (jit_arg_f_reg_p(v->u.w)) |
| 574 | jit_movi_f(_F0 - v->u.w, u); |
| 575 | else { |
| 576 | regno = jit_get_reg(jit_class_fpr); |
| 577 | jit_movi_f(regno, u); |
| 578 | jit_stxi_f(v->u.w |
| 579 | #if __WORDSIZE == 64 |
| 580 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) |
| 581 | #endif |
| 582 | , JIT_FP, regno); |
| 583 | jit_unget_reg(regno); |
| 584 | } |
| 585 | jit_dec_synth(); |
| 586 | } |
| 587 | |
| 588 | void |
| 589 | _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 590 | { |
| 591 | assert(v->code == jit_code_arg_d); |
| 592 | jit_inc_synth_wp(getarg_d, u, v); |
| 593 | if (jit_arg_f_reg_p(v->u.w)) |
| 594 | jit_movr_d(u, _F0 - v->u.w); |
| 595 | else |
| 596 | jit_ldxi_d(u, JIT_FP, v->u.w); |
| 597 | jit_dec_synth(); |
| 598 | } |
| 599 | |
| 600 | void |
| 601 | _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) |
| 602 | { |
| 603 | assert(v->code == jit_code_arg_d); |
| 604 | jit_inc_synth_wp(putargr_d, u, v); |
| 605 | if (jit_arg_f_reg_p(v->u.w)) |
| 606 | jit_movr_d(_F0 - v->u.w, u); |
| 607 | else |
| 608 | jit_stxi_d(v->u.w, JIT_FP, u); |
| 609 | jit_dec_synth(); |
| 610 | } |
| 611 | |
| 612 | void |
| 613 | _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v) |
| 614 | { |
| 615 | jit_int32_t regno; |
| 616 | assert(v->code == jit_code_arg_d); |
| 617 | jit_inc_synth_dp(putargi_d, u, v); |
| 618 | if (jit_arg_f_reg_p(v->u.w)) |
| 619 | jit_movi_d(_F0 - v->u.w, u); |
| 620 | else { |
| 621 | regno = jit_get_reg(jit_class_fpr); |
| 622 | jit_movi_d(regno, u); |
| 623 | jit_stxi_d(v->u.w, JIT_FP, regno); |
| 624 | jit_unget_reg(regno); |
| 625 | } |
| 626 | jit_dec_synth(); |
| 627 | } |
| 628 | |
| 629 | void |
| 630 | _jit_pushargr(jit_state_t *_jit, jit_int32_t u) |
| 631 | { |
| 632 | assert(_jitc->function); |
| 633 | jit_inc_synth_w(pushargr, u); |
| 634 | jit_link_prepare(); |
| 635 | if (jit_arg_reg_p(_jitc->function->call.argi)) { |
| 636 | jit_movr(_R2 - _jitc->function->call.argi, u); |
| 637 | ++_jitc->function->call.argi; |
| 638 | } |
| 639 | else { |
| 640 | jit_stxi(_jitc->function->call.size + stack_framesize, JIT_SP, u); |
| 641 | _jitc->function->call.size += sizeof(jit_word_t); |
| 642 | } |
| 643 | jit_dec_synth(); |
| 644 | } |
| 645 | |
| 646 | void |
| 647 | _jit_pushargi(jit_state_t *_jit, jit_word_t u) |
| 648 | { |
| 649 | jit_int32_t regno; |
| 650 | assert(_jitc->function); |
| 651 | jit_inc_synth_w(pushargi, u); |
| 652 | jit_link_prepare(); |
| 653 | if (jit_arg_reg_p(_jitc->function->call.argi)) { |
| 654 | jit_movi(_R2 - _jitc->function->call.argi, u); |
| 655 | ++_jitc->function->call.argi; |
| 656 | } |
| 657 | else { |
| 658 | regno = jit_get_reg(jit_class_gpr); |
| 659 | jit_movi(regno, u); |
| 660 | jit_stxi(_jitc->function->call.size + stack_framesize, JIT_SP, regno); |
| 661 | jit_unget_reg(regno); |
| 662 | _jitc->function->call.size += sizeof(jit_word_t); |
| 663 | } |
| 664 | jit_dec_synth(); |
| 665 | } |
| 666 | |
| 667 | void |
| 668 | _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u) |
| 669 | { |
| 670 | assert(_jitc->function); |
| 671 | jit_inc_synth_w(pushargr_f, u); |
| 672 | jit_link_prepare(); |
| 673 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { |
| 674 | jit_movr_f(_F0 - _jitc->function->call.argf, u); |
| 675 | ++_jitc->function->call.argf; |
| 676 | } |
| 677 | else { |
| 678 | jit_stxi_f(_jitc->function->call.size + stack_framesize |
| 679 | #if __WORDSIZE == 64 |
| 680 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) |
| 681 | #endif |
| 682 | , JIT_SP, u); |
| 683 | _jitc->function->call.size += sizeof(jit_word_t); |
| 684 | } |
| 685 | jit_dec_synth(); |
| 686 | } |
| 687 | |
| 688 | void |
| 689 | _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u) |
| 690 | { |
| 691 | jit_int32_t regno; |
| 692 | assert(_jitc->function); |
| 693 | jit_inc_synth_f(pushargi_f, u); |
| 694 | jit_link_prepare(); |
| 695 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { |
| 696 | jit_movi_f(_F0 - _jitc->function->call.argf, u); |
| 697 | ++_jitc->function->call.argf; |
| 698 | } |
| 699 | else { |
| 700 | regno = jit_get_reg(jit_class_fpr); |
| 701 | jit_movi_f(regno, u); |
| 702 | jit_stxi_f(_jitc->function->call.size + stack_framesize |
| 703 | #if __WORDSIZE == 64 |
| 704 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) |
| 705 | #endif |
| 706 | , JIT_SP, regno); |
| 707 | jit_unget_reg(regno); |
| 708 | _jitc->function->call.size += sizeof(jit_word_t); |
| 709 | } |
| 710 | jit_dec_synth(); |
| 711 | } |
| 712 | |
| 713 | void |
| 714 | _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u) |
| 715 | { |
| 716 | assert(_jitc->function); |
| 717 | jit_inc_synth_w(pushargr_d, u); |
| 718 | jit_link_prepare(); |
| 719 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { |
| 720 | jit_movr_d(_F0 - _jitc->function->call.argf, u); |
| 721 | ++_jitc->function->call.argf; |
| 722 | } |
| 723 | else { |
| 724 | jit_stxi_d(_jitc->function->call.size + stack_framesize, JIT_SP, u); |
| 725 | _jitc->function->call.size += sizeof(jit_float64_t); |
| 726 | } |
| 727 | jit_dec_synth(); |
| 728 | } |
| 729 | |
| 730 | void |
| 731 | _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u) |
| 732 | { |
| 733 | jit_int32_t regno; |
| 734 | assert(_jitc->function); |
| 735 | jit_inc_synth_d(pushargi_d, u); |
| 736 | jit_link_prepare(); |
| 737 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { |
| 738 | jit_movi_d(_F0 - _jitc->function->call.argf, u); |
| 739 | ++_jitc->function->call.argf; |
| 740 | } |
| 741 | else { |
| 742 | regno = jit_get_reg(jit_class_fpr); |
| 743 | jit_movi_d(regno, u); |
| 744 | jit_stxi_d(_jitc->function->call.size + stack_framesize, JIT_SP, regno); |
| 745 | jit_unget_reg(regno); |
| 746 | _jitc->function->call.size += sizeof(jit_float64_t); |
| 747 | } |
| 748 | jit_dec_synth(); |
| 749 | } |
| 750 | |
| 751 | jit_bool_t |
| 752 | _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno) |
| 753 | { |
| 754 | jit_int32_t spec; |
| 755 | spec = jit_class(_rvs[regno].spec); |
| 756 | if (spec & jit_class_arg) { |
| 757 | regno = _R2 - regno; |
| 758 | if (regno >= 0 && regno < node->v.w) |
| 759 | return (1); |
| 760 | if (spec & jit_class_fpr) { |
| 761 | regno = _F0 - regno; |
| 762 | if (regno >= 0 && regno < node->w.w) |
| 763 | return (1); |
| 764 | } |
| 765 | } |
| 766 | return (0); |
| 767 | } |
| 768 | |
| 769 | void |
| 770 | _jit_finishr(jit_state_t *_jit, jit_int32_t r0) |
| 771 | { |
| 772 | jit_node_t *call; |
| 773 | assert(_jitc->function); |
| 774 | jit_inc_synth_w(finishr, r0); |
| 775 | if (_jitc->function->self.alen < _jitc->function->call.size) |
| 776 | _jitc->function->self.alen = _jitc->function->call.size; |
| 777 | call = jit_callr(r0); |
| 778 | call->v.w = _jitc->function->call.argi; |
| 779 | call->w.w = _jitc->function->call.argf; |
| 780 | _jitc->function->call.argi = _jitc->function->call.argf = |
| 781 | _jitc->function->call.size = 0; |
| 782 | _jitc->prepare = 0; |
| 783 | jit_dec_synth(); |
| 784 | } |
| 785 | |
| 786 | jit_node_t * |
| 787 | _jit_finishi(jit_state_t *_jit, jit_pointer_t i0) |
| 788 | { |
| 789 | jit_node_t *node; |
| 790 | assert(_jitc->function); |
| 791 | jit_inc_synth_w(finishi, (jit_word_t)i0); |
| 792 | if (_jitc->function->self.alen < _jitc->function->call.size) |
| 793 | _jitc->function->self.alen = _jitc->function->call.size; |
| 794 | node = jit_calli(i0); |
| 795 | node->v.w = _jitc->function->call.argi; |
| 796 | node->w.w = _jitc->function->call.argf; |
| 797 | _jitc->function->call.argi = _jitc->function->call.argf = |
| 798 | _jitc->function->call.size = 0; |
| 799 | _jitc->prepare = 0; |
| 800 | jit_dec_synth(); |
| 801 | return (node); |
| 802 | } |
| 803 | |
| 804 | void |
| 805 | _jit_retval_c(jit_state_t *_jit, jit_int32_t r0) |
| 806 | { |
| 807 | jit_inc_synth_w(retval_c, r0); |
| 808 | jit_extr_c(r0, JIT_RET); |
| 809 | jit_dec_synth(); |
| 810 | } |
| 811 | |
| 812 | void |
| 813 | _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0) |
| 814 | { |
| 815 | jit_inc_synth_w(retval_uc, r0); |
| 816 | jit_extr_uc(r0, JIT_RET); |
| 817 | jit_dec_synth(); |
| 818 | } |
| 819 | |
| 820 | void |
| 821 | _jit_retval_s(jit_state_t *_jit, jit_int32_t r0) |
| 822 | { |
| 823 | jit_inc_synth_w(retval_s, r0); |
| 824 | jit_extr_s(r0, JIT_RET); |
| 825 | jit_dec_synth(); |
| 826 | } |
| 827 | |
| 828 | void |
| 829 | _jit_retval_us(jit_state_t *_jit, jit_int32_t r0) |
| 830 | { |
| 831 | jit_inc_synth_w(retval_us, r0); |
| 832 | jit_extr_us(r0, JIT_RET); |
| 833 | jit_dec_synth(); |
| 834 | } |
| 835 | |
| 836 | void |
| 837 | _jit_retval_i(jit_state_t *_jit, jit_int32_t r0) |
| 838 | { |
| 839 | jit_inc_synth_w(retval_i, r0); |
| 840 | #if __WORDSIZE == 64 |
| 841 | jit_extr_i(r0, JIT_RET); |
| 842 | #else |
| 843 | jit_movr(r0, JIT_RET); |
| 844 | #endif |
| 845 | jit_dec_synth(); |
| 846 | } |
| 847 | |
| 848 | #if __WORDSIZE == 64 |
| 849 | void |
| 850 | _jit_retval_ui(jit_state_t *_jit, jit_int32_t r0) |
| 851 | { |
| 852 | jit_inc_synth_w(retval_ui, r0); |
| 853 | jit_extr_ui(r0, JIT_RET); |
| 854 | jit_dec_synth(); |
| 855 | } |
| 856 | |
| 857 | void |
| 858 | _jit_retval_l(jit_state_t *_jit, jit_int32_t r0) |
| 859 | { |
| 860 | jit_inc_synth_w(retval_l, r0); |
| 861 | jit_movr(r0, JIT_RET); |
| 862 | jit_dec_synth(); |
| 863 | } |
| 864 | #endif |
| 865 | |
| 866 | void |
| 867 | _jit_retval_f(jit_state_t *_jit, jit_int32_t r0) |
| 868 | { |
| 869 | jit_inc_synth_w(retval_f, r0); |
| 870 | jit_movr_f(r0, JIT_FRET); |
| 871 | jit_dec_synth(); |
| 872 | } |
| 873 | |
| 874 | void |
| 875 | _jit_retval_d(jit_state_t *_jit, jit_int32_t r0) |
| 876 | { |
| 877 | jit_inc_synth_w(retval_d, r0); |
| 878 | jit_movr_d(r0, JIT_FRET); |
| 879 | jit_dec_synth(); |
| 880 | } |
| 881 | |
| 882 | jit_pointer_t |
| 883 | _emit_code(jit_state_t *_jit) |
| 884 | { |
| 885 | jit_node_t *node; |
| 886 | jit_node_t *temp; |
| 887 | jit_word_t word; |
| 888 | jit_int32_t value; |
| 889 | jit_int32_t offset; |
| 890 | struct { |
| 891 | jit_node_t *node; |
| 892 | jit_word_t word; |
| 893 | #if DEVEL_DISASSEMBLER |
| 894 | jit_word_t prevw; |
| 895 | #endif |
| 896 | jit_int32_t patch_offset; |
| 897 | } undo; |
| 898 | #if DEVEL_DISASSEMBLER |
| 899 | jit_word_t prevw; |
| 900 | #endif |
| 901 | |
| 902 | _jitc->function = NULL; |
| 903 | |
| 904 | jit_reglive_setup(); |
| 905 | |
| 906 | undo.word = 0; |
| 907 | undo.node = NULL; |
| 908 | undo.patch_offset = 0; |
| 909 | |
| 910 | #define assert_data(node) /**/ |
| 911 | #define case_rr(name, type) \ |
| 912 | case jit_code_##name##r##type: \ |
| 913 | name##r##type(rn(node->u.w), rn(node->v.w)); \ |
| 914 | break |
| 915 | #define case_rw(name, type) \ |
| 916 | case jit_code_##name##i##type: \ |
| 917 | name##i##type(rn(node->u.w), node->v.w); \ |
| 918 | break |
| 919 | #define case_wr(name, type) \ |
| 920 | case jit_code_##name##i##type: \ |
| 921 | name##i##type(node->u.w, rn(node->v.w)); \ |
| 922 | break |
| 923 | #define case_rrr(name, type) \ |
| 924 | case jit_code_##name##r##type: \ |
| 925 | name##r##type(rn(node->u.w), \ |
| 926 | rn(node->v.w), rn(node->w.w)); \ |
| 927 | break |
| 928 | #define case_rrrr(name, type) \ |
| 929 | case jit_code_##name##r##type: \ |
| 930 | name##r##type(rn(node->u.q.l), rn(node->u.q.h), \ |
| 931 | rn(node->v.w), rn(node->w.w)); \ |
| 932 | break |
| 933 | #define case_rrw(name, type) \ |
| 934 | case jit_code_##name##i##type: \ |
| 935 | name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \ |
| 936 | break |
| 937 | #define case_rrrw(name, type) \ |
| 938 | case jit_code_##name##i##type: \ |
| 939 | name##i##type(rn(node->u.q.l), rn(node->u.q.h), \ |
| 940 | rn(node->v.w), node->w.w); \ |
| 941 | break |
| 942 | #define case_rrf(name) \ |
| 943 | case jit_code_##name##i_f: \ |
| 944 | assert_data(node); \ |
| 945 | name##i_f(rn(node->u.w), rn(node->v.w), \ |
| 946 | (jit_float32_t *)node->w.n->u.w); \ |
| 947 | break |
| 948 | #define case_rrd(name) \ |
| 949 | case jit_code_##name##i_d: \ |
| 950 | assert_data(node); \ |
| 951 | name##i_d(rn(node->u.w), rn(node->v.w), \ |
| 952 | (jit_float64_t *)node->w.n->u.w); \ |
| 953 | break |
| 954 | #define case_wrr(name, type) \ |
| 955 | case jit_code_##name##i##type: \ |
| 956 | name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \ |
| 957 | break |
| 958 | #define case_brr(name, type) \ |
| 959 | case jit_code_##name##r##type: \ |
| 960 | temp = node->u.n; \ |
| 961 | assert(temp->code == jit_code_label || \ |
| 962 | temp->code == jit_code_epilog); \ |
| 963 | if (temp->flag & jit_flag_patch) \ |
| 964 | name##r##type(temp->u.w, rn(node->v.w), \ |
| 965 | rn(node->w.w)); \ |
| 966 | else { \ |
| 967 | word = name##r##type##_p(_jit->pc.w, \ |
| 968 | rn(node->v.w), \ |
| 969 | rn(node->w.w)); \ |
| 970 | patch(word, node); \ |
| 971 | } \ |
| 972 | break |
| 973 | #define case_brw(name, type) \ |
| 974 | case jit_code_##name##i##type: \ |
| 975 | temp = node->u.n; \ |
| 976 | assert(temp->code == jit_code_label || \ |
| 977 | temp->code == jit_code_epilog); \ |
| 978 | if (temp->flag & jit_flag_patch) \ |
| 979 | name##i##type(temp->u.w, \ |
| 980 | rn(node->v.w), node->w.w); \ |
| 981 | else { \ |
| 982 | word = name##i##type##_p(_jit->pc.w, \ |
| 983 | rn(node->v.w), node->w.w); \ |
| 984 | patch(word, node); \ |
| 985 | } \ |
| 986 | break; |
| 987 | #define case_brf(name) \ |
| 988 | case jit_code_##name##i_f: \ |
| 989 | temp = node->u.n; \ |
| 990 | assert(temp->code == jit_code_label || \ |
| 991 | temp->code == jit_code_epilog); \ |
| 992 | if (temp->flag & jit_flag_patch) \ |
| 993 | name##i_f(temp->u.w, rn(node->v.w), \ |
| 994 | (jit_float32_t *)node->w.n->u.w); \ |
| 995 | else { \ |
| 996 | word = name##i_f_p(_jit->pc.w, rn(node->v.w), \ |
| 997 | (jit_float32_t *)node->w.n->u.w);\ |
| 998 | patch(word, node); \ |
| 999 | } \ |
| 1000 | break |
| 1001 | #define case_brd(name) \ |
| 1002 | case jit_code_##name##i_d: \ |
| 1003 | temp = node->u.n; \ |
| 1004 | assert(temp->code == jit_code_label || \ |
| 1005 | temp->code == jit_code_epilog); \ |
| 1006 | if (temp->flag & jit_flag_patch) \ |
| 1007 | name##i_d(temp->u.w, rn(node->v.w), \ |
| 1008 | (jit_float64_t *)node->w.n->u.w); \ |
| 1009 | else { \ |
| 1010 | word = name##i_d_p(_jit->pc.w, rn(node->v.w), \ |
| 1011 | (jit_float64_t *)node->w.n->u.w);\ |
| 1012 | patch(word, node); \ |
| 1013 | } \ |
| 1014 | break |
| 1015 | #if DEVEL_DISASSEMBLER |
| 1016 | prevw = _jit->pc.w; |
| 1017 | #endif |
| 1018 | for (node = _jitc->head; node; node = node->next) { |
| 1019 | if (_jit->pc.uc >= _jitc->code.end) |
| 1020 | return (NULL); |
| 1021 | |
| 1022 | #if DEVEL_DISASSEMBLER |
| 1023 | node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw; |
| 1024 | prevw = _jit->pc.w; |
| 1025 | #endif |
| 1026 | value = jit_classify(node->code); |
| 1027 | jit_regarg_set(node, value); |
| 1028 | switch (node->code) { |
| 1029 | case jit_code_align: |
| 1030 | assert(!(node->u.w & (node->u.w - 1)) && |
| 1031 | node->u.w <= sizeof(jit_word_t)); |
| 1032 | if (node->u.w == sizeof(jit_word_t) && |
| 1033 | (word = _jit->pc.w & (sizeof(jit_word_t) - 1))) |
| 1034 | nop(sizeof(jit_word_t) - word); |
| 1035 | break; |
| 1036 | case jit_code_note: case jit_code_name: |
| 1037 | node->u.w = _jit->pc.w; |
| 1038 | break; |
| 1039 | case jit_code_label: |
| 1040 | if ((node->link || (node->flag & jit_flag_use)) && |
| 1041 | (word = _jit->pc.w & 3)) |
| 1042 | nop(4 - word); |
| 1043 | /* remember label is defined */ |
| 1044 | node->flag |= jit_flag_patch; |
| 1045 | node->u.w = _jit->pc.w; |
| 1046 | break; |
| 1047 | case_rrr(add,); |
| 1048 | case_rrw(add,); |
| 1049 | case_rrr(addc,); |
| 1050 | case_rrw(addc,); |
| 1051 | case_rrr(addx,); |
| 1052 | case_rrw(addx,); |
| 1053 | case_rrr(sub,); |
| 1054 | case_rrw(sub,); |
| 1055 | case_rrr(subc,); |
| 1056 | case_rrw(subc,); |
| 1057 | case_rrr(subx,); |
| 1058 | case_rrw(subx,); |
| 1059 | case_rrw(rsb,); |
| 1060 | case_rrr(mul,); |
| 1061 | case_rrw(mul,); |
| 1062 | case_rrrr(qmul,); |
| 1063 | case_rrrw(qmul,); |
| 1064 | case_rrrr(qmul, _u); |
| 1065 | case_rrrw(qmul, _u); |
| 1066 | case_rrr(div,); |
| 1067 | case_rrw(div,); |
| 1068 | case_rrr(div, _u); |
| 1069 | case_rrw(div, _u); |
| 1070 | case_rrr(rem,); |
| 1071 | case_rrw(rem,); |
| 1072 | case_rrr(rem, _u); |
| 1073 | case_rrw(rem, _u); |
| 1074 | case_rrrr(qdiv,); |
| 1075 | case_rrrw(qdiv,); |
| 1076 | case_rrrr(qdiv, _u); |
| 1077 | case_rrrw(qdiv, _u); |
| 1078 | case_rrr(lsh,); |
| 1079 | case_rrw(lsh,); |
| 1080 | case_rrr(rsh,); |
| 1081 | case_rrw(rsh,); |
| 1082 | case_rrr(rsh, _u); |
| 1083 | case_rrw(rsh, _u); |
| 1084 | case_rr(neg,); |
| 1085 | case_rr(com,); |
| 1086 | case_rrr(and,); |
| 1087 | case_rrw(and,); |
| 1088 | case_rrr(or,); |
| 1089 | case_rrw(or,); |
| 1090 | case_rrr(xor,); |
| 1091 | case_rrw(xor,); |
| 1092 | case_rr(trunc, _f_i); |
| 1093 | case_rr(trunc, _d_i); |
| 1094 | #if __WORDSIZE == 64 |
| 1095 | case_rr(trunc, _f_l); |
| 1096 | case_rr(trunc, _d_l); |
| 1097 | #endif |
| 1098 | case_rr(ld, _c); |
| 1099 | case_rw(ld, _c); |
| 1100 | case_rr(ld, _uc); |
| 1101 | case_rw(ld, _uc); |
| 1102 | case_rr(ld, _s); |
| 1103 | case_rw(ld, _s); |
| 1104 | case_rr(ld, _us); |
| 1105 | case_rw(ld, _us); |
| 1106 | case_rr(ld, _i); |
| 1107 | case_rw(ld, _i); |
| 1108 | #if __WORDSIZE == 64 |
| 1109 | case_rr(ld, _ui); |
| 1110 | case_rw(ld, _ui); |
| 1111 | case_rr(ld, _l); |
| 1112 | case_rw(ld, _l); |
| 1113 | #endif |
| 1114 | case_rrr(ldx, _c); |
| 1115 | case_rrw(ldx, _c); |
| 1116 | case_rrr(ldx, _uc); |
| 1117 | case_rrw(ldx, _uc); |
| 1118 | case_rrr(ldx, _s); |
| 1119 | case_rrw(ldx, _s); |
| 1120 | case_rrr(ldx, _us); |
| 1121 | case_rrw(ldx, _us); |
| 1122 | case_rrr(ldx, _i); |
| 1123 | case_rrw(ldx, _i); |
| 1124 | #if __WORDSIZE == 64 |
| 1125 | case_rrr(ldx, _ui); |
| 1126 | case_rrw(ldx, _ui); |
| 1127 | case_rrr(ldx, _l); |
| 1128 | case_rrw(ldx, _l); |
| 1129 | #endif |
| 1130 | case_rr(st, _c); |
| 1131 | case_wr(st, _c); |
| 1132 | case_rr(st, _s); |
| 1133 | case_wr(st, _s); |
| 1134 | case_rr(st, _i); |
| 1135 | case_wr(st, _i); |
| 1136 | #if __WORDSIZE == 64 |
| 1137 | case_rr(st, _l); |
| 1138 | case_wr(st, _l); |
| 1139 | #endif |
| 1140 | case_rrr(stx, _c); |
| 1141 | case_wrr(stx, _c); |
| 1142 | case_rrr(stx, _s); |
| 1143 | case_wrr(stx, _s); |
| 1144 | case_rrr(stx, _i); |
| 1145 | case_wrr(stx, _i); |
| 1146 | #if __WORDSIZE == 64 |
| 1147 | case_rrr(stx, _l); |
| 1148 | case_wrr(stx, _l); |
| 1149 | #endif |
| 1150 | case_rr(hton, _us); |
| 1151 | case_rr(hton, _ui); |
| 1152 | #if __WORDSIZE == 64 |
| 1153 | case_rr(hton, _ul); |
| 1154 | #endif |
| 1155 | case_rr(ext, _c); |
| 1156 | case_rr(ext, _uc); |
| 1157 | case_rr(ext, _s); |
| 1158 | case_rr(ext, _us); |
| 1159 | #if __WORDSIZE == 64 |
| 1160 | case_rr(ext, _i); |
| 1161 | case_rr(ext, _ui); |
| 1162 | #endif |
| 1163 | case_rr(mov,); |
| 1164 | case jit_code_movi: |
| 1165 | if (node->flag & jit_flag_node) { |
| 1166 | temp = node->v.n; |
| 1167 | if (temp->code == jit_code_data || |
| 1168 | (temp->code == jit_code_label && |
| 1169 | (temp->flag & jit_flag_patch))) |
| 1170 | movi(rn(node->u.w), temp->u.w); |
| 1171 | else { |
| 1172 | assert(temp->code == jit_code_label || |
| 1173 | temp->code == jit_code_epilog); |
| 1174 | word = movi_p(rn(node->u.w), temp->u.w); |
| 1175 | patch(word, node); |
| 1176 | } |
| 1177 | } |
| 1178 | else |
| 1179 | movi(rn(node->u.w), node->v.w); |
| 1180 | break; |
| 1181 | case_rrr(lt,); |
| 1182 | case_rrw(lt,); |
| 1183 | case_rrr(lt, _u); |
| 1184 | case_rrw(lt, _u); |
| 1185 | case_rrr(le,); |
| 1186 | case_rrw(le,); |
| 1187 | case_rrr(le, _u); |
| 1188 | case_rrw(le, _u); |
| 1189 | case_rrr(eq,); |
| 1190 | case_rrw(eq,); |
| 1191 | case_rrr(ge,); |
| 1192 | case_rrw(ge,); |
| 1193 | case_rrr(ge, _u); |
| 1194 | case_rrw(ge, _u); |
| 1195 | case_rrr(gt,); |
| 1196 | case_rrw(gt,); |
| 1197 | case_rrr(gt, _u); |
| 1198 | case_rrw(gt, _u); |
| 1199 | case_rrr(ne,); |
| 1200 | case_rrw(ne,); |
| 1201 | case_brr(blt,); |
| 1202 | case_brw(blt,); |
| 1203 | case_brr(blt, _u); |
| 1204 | case_brw(blt, _u); |
| 1205 | case_brr(ble,); |
| 1206 | case_brw(ble,); |
| 1207 | case_brr(ble, _u); |
| 1208 | case_brw(ble, _u); |
| 1209 | case_brr(beq,); |
| 1210 | case_brw(beq,); |
| 1211 | case_brr(bge,); |
| 1212 | case_brw(bge,); |
| 1213 | case_brr(bge, _u); |
| 1214 | case_brw(bge, _u); |
| 1215 | case_brr(bgt,); |
| 1216 | case_brw(bgt,); |
| 1217 | case_brr(bgt, _u); |
| 1218 | case_brw(bgt, _u); |
| 1219 | case_brr(bne,); |
| 1220 | case_brw(bne,); |
| 1221 | case_brr(boadd,); |
| 1222 | case_brw(boadd,); |
| 1223 | case_brr(boadd, _u); |
| 1224 | case_brw(boadd, _u); |
| 1225 | case_brr(bxadd,); |
| 1226 | case_brw(bxadd,); |
| 1227 | case_brr(bxadd, _u); |
| 1228 | case_brw(bxadd, _u); |
| 1229 | case_brr(bosub,); |
| 1230 | case_brw(bosub,); |
| 1231 | case_brr(bosub, _u); |
| 1232 | case_brw(bosub, _u); |
| 1233 | case_brr(bxsub,); |
| 1234 | case_brw(bxsub,); |
| 1235 | case_brr(bxsub, _u); |
| 1236 | case_brw(bxsub, _u); |
| 1237 | case_brr(bms,); |
| 1238 | case_brw(bms,); |
| 1239 | case_brr(bmc,); |
| 1240 | case_brw(bmc,); |
| 1241 | case_rrr(add, _f); |
| 1242 | case_rrf(add); |
| 1243 | case_rrr(sub, _f); |
| 1244 | case_rrf(sub); |
| 1245 | case_rrf(rsb); |
| 1246 | case_rrr(mul, _f); |
| 1247 | case_rrf(mul); |
| 1248 | case_rrr(div, _f); |
| 1249 | case_rrf(div); |
| 1250 | case_rr(abs, _f); |
| 1251 | case_rr(neg, _f); |
| 1252 | case_rr(sqrt, _f); |
| 1253 | case_rr(ext, _f); |
| 1254 | case_rr(ld, _f); |
| 1255 | case_rw(ld, _f); |
| 1256 | case_rrr(ldx, _f); |
| 1257 | case_rrw(ldx, _f); |
| 1258 | case_rr(st, _f); |
| 1259 | case_wr(st, _f); |
| 1260 | case_rrr(stx, _f); |
| 1261 | case_wrr(stx, _f); |
| 1262 | case_rr(mov, _f); |
| 1263 | case jit_code_movi_f: |
| 1264 | assert_data(node); |
| 1265 | movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w); |
| 1266 | break; |
| 1267 | case_rr(ext, _d_f); |
| 1268 | case_rrr(lt, _f); |
| 1269 | case_rrf(lt); |
| 1270 | case_rrr(le, _f); |
| 1271 | case_rrf(le); |
| 1272 | case_rrr(eq, _f); |
| 1273 | case_rrf(eq); |
| 1274 | case_rrr(ge, _f); |
| 1275 | case_rrf(ge); |
| 1276 | case_rrr(gt, _f); |
| 1277 | case_rrf(gt); |
| 1278 | case_rrr(ne, _f); |
| 1279 | case_rrf(ne); |
| 1280 | case_rrr(unlt, _f); |
| 1281 | case_rrf(unlt); |
| 1282 | case_rrr(unle, _f); |
| 1283 | case_rrf(unle); |
| 1284 | case_rrr(uneq, _f); |
| 1285 | case_rrf(uneq); |
| 1286 | case_rrr(unge, _f); |
| 1287 | case_rrf(unge); |
| 1288 | case_rrr(ungt, _f); |
| 1289 | case_rrf(ungt); |
| 1290 | case_rrr(ltgt, _f); |
| 1291 | case_rrf(ltgt); |
| 1292 | case_rrr(ord, _f); |
| 1293 | case_rrf(ord); |
| 1294 | case_rrr(unord, _f); |
| 1295 | case_rrf(unord); |
| 1296 | case_brr(blt, _f); |
| 1297 | case_brf(blt); |
| 1298 | case_brr(ble, _f); |
| 1299 | case_brf(ble); |
| 1300 | case_brr(beq, _f); |
| 1301 | case_brf(beq); |
| 1302 | case_brr(bge, _f); |
| 1303 | case_brf(bge); |
| 1304 | case_brr(bgt, _f); |
| 1305 | case_brf(bgt); |
| 1306 | case_brr(bne, _f); |
| 1307 | case_brf(bne); |
| 1308 | case_brr(bunlt, _f); |
| 1309 | case_brf(bunlt); |
| 1310 | case_brr(bunle, _f); |
| 1311 | case_brf(bunle); |
| 1312 | case_brr(buneq, _f); |
| 1313 | case_brf(buneq); |
| 1314 | case_brr(bunge, _f); |
| 1315 | case_brf(bunge); |
| 1316 | case_brr(bungt, _f); |
| 1317 | case_brf(bungt); |
| 1318 | case_brr(bltgt, _f); |
| 1319 | case_brf(bltgt); |
| 1320 | case_brr(bord, _f); |
| 1321 | case_brf(bord); |
| 1322 | case_brr(bunord, _f); |
| 1323 | case_brf(bunord); |
| 1324 | case_rrr(add, _d); |
| 1325 | case_rrd(add); |
| 1326 | case_rrr(sub, _d); |
| 1327 | case_rrd(sub); |
| 1328 | case_rrd(rsb); |
| 1329 | case_rrr(mul, _d); |
| 1330 | case_rrd(mul); |
| 1331 | case_rrr(div, _d); |
| 1332 | case_rrd(div); |
| 1333 | case_rr(abs, _d); |
| 1334 | case_rr(neg, _d); |
| 1335 | case_rr(sqrt, _d); |
| 1336 | case_rr(ext, _d); |
| 1337 | case_rr(ld, _d); |
| 1338 | case_rw(ld, _d); |
| 1339 | case_rrr(ldx, _d); |
| 1340 | case_rrw(ldx, _d); |
| 1341 | case_rr(st, _d); |
| 1342 | case_wr(st, _d); |
| 1343 | case_rrr(stx, _d); |
| 1344 | case_wrr(stx, _d); |
| 1345 | case_rr(mov, _d); |
| 1346 | case jit_code_movi_d: |
| 1347 | assert_data(node); |
| 1348 | movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w); |
| 1349 | break; |
| 1350 | case_rr(ext, _f_d); |
| 1351 | case_rrr(lt, _d); |
| 1352 | case_rrd(lt); |
| 1353 | case_rrr(le, _d); |
| 1354 | case_rrd(le); |
| 1355 | case_rrr(eq, _d); |
| 1356 | case_rrd(eq); |
| 1357 | case_rrr(ge, _d); |
| 1358 | case_rrd(ge); |
| 1359 | case_rrr(gt, _d); |
| 1360 | case_rrd(gt); |
| 1361 | case_rrr(ne, _d); |
| 1362 | case_rrd(ne); |
| 1363 | case_rrr(unlt, _d); |
| 1364 | case_rrd(unlt); |
| 1365 | case_rrr(unle, _d); |
| 1366 | case_rrd(unle); |
| 1367 | case_rrr(uneq, _d); |
| 1368 | case_rrd(uneq); |
| 1369 | case_rrr(unge, _d); |
| 1370 | case_rrd(unge); |
| 1371 | case_rrr(ungt, _d); |
| 1372 | case_rrd(ungt); |
| 1373 | case_rrr(ltgt, _d); |
| 1374 | case_rrd(ltgt); |
| 1375 | case_rrr(ord, _d); |
| 1376 | case_rrd(ord); |
| 1377 | case_rrr(unord, _d); |
| 1378 | case_rrd(unord); |
| 1379 | case_brr(blt, _d); |
| 1380 | case_brd(blt); |
| 1381 | case_brr(ble, _d); |
| 1382 | case_brd(ble); |
| 1383 | case_brr(beq, _d); |
| 1384 | case_brd(beq); |
| 1385 | case_brr(bge, _d); |
| 1386 | case_brd(bge); |
| 1387 | case_brr(bgt, _d); |
| 1388 | case_brd(bgt); |
| 1389 | case_brr(bne, _d); |
| 1390 | case_brd(bne); |
| 1391 | case_brr(bunlt, _d); |
| 1392 | case_brd(bunlt); |
| 1393 | case_brr(bunle, _d); |
| 1394 | case_brd(bunle); |
| 1395 | case_brr(buneq, _d); |
| 1396 | case_brd(buneq); |
| 1397 | case_brr(bunge, _d); |
| 1398 | case_brd(bunge); |
| 1399 | case_brr(bungt, _d); |
| 1400 | case_brd(bungt); |
| 1401 | case_brr(bltgt, _d); |
| 1402 | case_brd(bltgt); |
| 1403 | case_brr(bord, _d); |
| 1404 | case_brd(bord); |
| 1405 | case_brr(bunord, _d); |
| 1406 | case_brd(bunord); |
| 1407 | case jit_code_jmpr: |
| 1408 | jmpr(rn(node->u.w)); |
| 1409 | break; |
| 1410 | case jit_code_jmpi: |
| 1411 | if (node->flag & jit_flag_node) { |
| 1412 | temp = node->u.n; |
| 1413 | assert(temp->code == jit_code_label || |
| 1414 | temp->code == jit_code_epilog); |
| 1415 | if (temp->flag & jit_flag_patch) |
| 1416 | jmpi(temp->u.w); |
| 1417 | else { |
| 1418 | word = jmpi_p(_jit->pc.w); |
| 1419 | patch(word, node); |
| 1420 | } |
| 1421 | } |
| 1422 | else |
| 1423 | jmpi(node->u.w); |
| 1424 | break; |
| 1425 | case jit_code_callr: |
| 1426 | callr(rn(node->u.w)); |
| 1427 | break; |
| 1428 | case jit_code_calli: |
| 1429 | if (node->flag & jit_flag_node) { |
| 1430 | temp = node->u.n; |
| 1431 | assert(temp->code == jit_code_label || |
| 1432 | temp->code == jit_code_epilog); |
| 1433 | if (temp->flag & jit_flag_patch) |
| 1434 | calli(temp->u.w); |
| 1435 | else { |
| 1436 | word = calli_p(_jit->pc.w); |
| 1437 | patch(word, node); |
| 1438 | } |
| 1439 | } |
| 1440 | else |
| 1441 | calli(node->u.w); |
| 1442 | break; |
| 1443 | case jit_code_prolog: |
| 1444 | _jitc->function = _jitc->functions.ptr + node->w.w; |
| 1445 | undo.node = node; |
| 1446 | undo.word = _jit->pc.w; |
| 1447 | #if DEVEL_DISASSEMBLER |
| 1448 | undo.prevw = prevw; |
| 1449 | #endif |
| 1450 | undo.patch_offset = _jitc->patches.offset; |
| 1451 | restart_function: |
| 1452 | _jitc->again = 0; |
| 1453 | prolog(node); |
| 1454 | break; |
| 1455 | case jit_code_epilog: |
| 1456 | assert(_jitc->function == _jitc->functions.ptr + node->w.w); |
| 1457 | if (_jitc->again) { |
| 1458 | for (temp = undo.node->next; |
| 1459 | temp != node; temp = temp->next) { |
| 1460 | if (temp->code == jit_code_label || |
| 1461 | temp->code == jit_code_epilog) |
| 1462 | temp->flag &= ~jit_flag_patch; |
| 1463 | } |
| 1464 | temp->flag &= ~jit_flag_patch; |
| 1465 | node = undo.node; |
| 1466 | _jit->pc.w = undo.word; |
| 1467 | #if DEVEL_DISASSEMBLER |
| 1468 | prevw = undo.prevw; |
| 1469 | #endif |
| 1470 | _jitc->patches.offset = undo.patch_offset; |
| 1471 | goto restart_function; |
| 1472 | } |
| 1473 | if (node->link && (word = _jit->pc.w & 3)) |
| 1474 | nop(4 - word); |
| 1475 | /* remember label is defined */ |
| 1476 | node->flag |= jit_flag_patch; |
| 1477 | node->u.w = _jit->pc.w; |
| 1478 | epilog(node); |
| 1479 | _jitc->function = NULL; |
| 1480 | break; |
| 1481 | case jit_code_va_start: |
| 1482 | vastart(rn(node->u.w)); |
| 1483 | break; |
| 1484 | case jit_code_va_arg: |
| 1485 | vaarg(rn(node->u.w), rn(node->v.w)); |
| 1486 | break; |
| 1487 | case jit_code_va_arg_d: |
| 1488 | vaarg_d(rn(node->u.w), rn(node->v.w)); |
| 1489 | break; |
| 1490 | case jit_code_live: case jit_code_ellipsis: |
| 1491 | case jit_code_va_push: |
| 1492 | case jit_code_allocai: case jit_code_allocar: |
| 1493 | case jit_code_arg: |
| 1494 | case jit_code_arg_f: case jit_code_arg_d: |
| 1495 | case jit_code_va_end: |
| 1496 | case jit_code_ret: |
| 1497 | case jit_code_retr: case jit_code_reti: |
| 1498 | case jit_code_retr_f: case jit_code_reti_f: |
| 1499 | case jit_code_retr_d: case jit_code_reti_d: |
| 1500 | case jit_code_getarg_c: case jit_code_getarg_uc: |
| 1501 | case jit_code_getarg_s: case jit_code_getarg_us: |
| 1502 | case jit_code_getarg_i: |
| 1503 | #if __WORDSIZE == 64 |
| 1504 | case jit_code_getarg_ui: case jit_code_getarg_l: |
| 1505 | #endif |
| 1506 | case jit_code_getarg_f: case jit_code_getarg_d: |
| 1507 | case jit_code_putargr: case jit_code_putargi: |
| 1508 | case jit_code_putargr_f: case jit_code_putargi_f: |
| 1509 | case jit_code_putargr_d: case jit_code_putargi_d: |
| 1510 | case jit_code_pushargr: case jit_code_pushargi: |
| 1511 | case jit_code_pushargr_f: case jit_code_pushargi_f: |
| 1512 | case jit_code_pushargr_d: case jit_code_pushargi_d: |
| 1513 | case jit_code_retval_c: case jit_code_retval_uc: |
| 1514 | case jit_code_retval_s: case jit_code_retval_us: |
| 1515 | case jit_code_retval_i: |
| 1516 | #if __WORDSIZE == 64 |
| 1517 | case jit_code_retval_ui: case jit_code_retval_l: |
| 1518 | #endif |
| 1519 | case jit_code_retval_f: case jit_code_retval_d: |
| 1520 | case jit_code_prepare: |
| 1521 | case jit_code_finishr: case jit_code_finishi: |
| 1522 | break; |
| 1523 | default: |
| 1524 | abort(); |
| 1525 | } |
| 1526 | jit_regarg_clr(node, value); |
| 1527 | assert(_jitc->regarg == 0 && _jitc->synth == 0); |
| 1528 | /* update register live state */ |
| 1529 | jit_reglive(node); |
| 1530 | } |
| 1531 | #undef case_brw |
| 1532 | #undef case_brr |
| 1533 | #undef case_wrr |
| 1534 | #undef case_rrw |
| 1535 | #undef case_rrr |
| 1536 | #undef case_wr |
| 1537 | #undef case_rw |
| 1538 | #undef case_rr |
| 1539 | |
| 1540 | for (offset = 0; offset < _jitc->patches.offset; offset++) { |
| 1541 | node = _jitc->patches.ptr[offset].node; |
| 1542 | word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w; |
| 1543 | patch_at(_jitc->patches.ptr[offset].inst, word); |
| 1544 | } |
| 1545 | |
| 1546 | jit_flush(_jit->code.ptr, _jit->pc.uc); |
| 1547 | |
| 1548 | return (_jit->code.ptr); |
| 1549 | } |
| 1550 | |
| 1551 | #define CODE 1 |
| 1552 | # include "jit_s390-cpu.c" |
| 1553 | # include "jit_s390-fpu.c" |
| 1554 | #undef CODE |
| 1555 | |
| 1556 | void |
| 1557 | jit_flush(void *fptr, void *tptr) |
| 1558 | { |
| 1559 | #if defined(__GNUC__) |
| 1560 | jit_word_t f, t, s; |
| 1561 | |
| 1562 | s = sysconf(_SC_PAGE_SIZE); |
| 1563 | f = (jit_word_t)fptr & -s; |
| 1564 | t = (((jit_word_t)tptr) + s - 1) & -s; |
| 1565 | __clear_cache((void *)f, (void *)t); |
| 1566 | #endif |
| 1567 | } |
| 1568 | |
| 1569 | void |
| 1570 | _emit_ldxi(jit_state_t *_jit, jit_gpr_t r0, jit_gpr_t r1, jit_word_t i0) |
| 1571 | { |
| 1572 | ldxi(rn(r0), rn(r1), i0); |
| 1573 | } |
| 1574 | |
| 1575 | void |
| 1576 | _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_gpr_t r1) |
| 1577 | { |
| 1578 | stxi(i0, rn(r0), rn(r1)); |
| 1579 | } |
| 1580 | |
| 1581 | void |
| 1582 | _emit_ldxi_d(jit_state_t *_jit, jit_fpr_t r0, jit_gpr_t r1, jit_word_t i0) |
| 1583 | { |
| 1584 | ldxi_d(rn(r0), rn(r1), i0); |
| 1585 | } |
| 1586 | |
| 1587 | void |
| 1588 | _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_fpr_t r1) |
| 1589 | { |
| 1590 | stxi_d(i0, rn(r0), rn(r1)); |
| 1591 | } |
| 1592 | |
| 1593 | static jit_int32_t |
| 1594 | _jit_get_reg_pair(jit_state_t *_jit) |
| 1595 | { |
| 1596 | jit_int32_t r1, r2; |
| 1597 | /* Try to find a register pair for use with operations that |
| 1598 | * require a odd based register pair. Search for the best |
| 1599 | * match to avoid spills or at least a valid operation. |
| 1600 | */ |
| 1601 | |
| 1602 | /* Try non callee save first */ |
| 1603 | if (jit_reg_free_p(_R0) && jit_reg_free_p(_R1)) |
| 1604 | r1 = _R0, r2 = _R1; |
| 1605 | else if (jit_reg_free_p(_R2) && jit_reg_free_p(_R3)) |
| 1606 | r1 = _R2, r2 = _R3; |
| 1607 | else if (jit_reg_free_p(_R4) && jit_reg_free_p(_R5)) |
| 1608 | r1 = _R4, r2 = _R5; |
| 1609 | /* Try callee save registers */ |
| 1610 | else if (jit_reg_free_p(_R10) && jit_reg_free_p(_R11)) |
| 1611 | r1 = _R10, r2 = _R11; |
| 1612 | else if (jit_reg_free_p(_R8) && jit_reg_free_p(_R9)) |
| 1613 | r1 = _R8, r2 = _R9; |
| 1614 | else if (jit_reg_free_p(_R6) && jit_reg_free_p(_R7)) |
| 1615 | r1 = _R6, r2 = _R7; |
| 1616 | |
| 1617 | /* We *must* find a register pair */ |
| 1618 | else if (jit_reg_free_if_spill_p(_R0) && jit_reg_free_if_spill_p(_R1)) |
| 1619 | r1 = _R0, r2 = _R1; |
| 1620 | else if (jit_reg_free_if_spill_p(_R2) && jit_reg_free_if_spill_p(_R3)) |
| 1621 | r1 = _R2, r2 = _R3; |
| 1622 | else if (jit_reg_free_if_spill_p(_R4) && jit_reg_free_if_spill_p(_R5)) |
| 1623 | r1 = _R4, r2 = _R5; |
| 1624 | else if (jit_reg_free_if_spill_p(_R10) && jit_reg_free_if_spill_p(_R11)) |
| 1625 | r1 = _R10, r2 = _R11; |
| 1626 | else if (jit_reg_free_if_spill_p(_R8) && jit_reg_free_if_spill_p(_R9)) |
| 1627 | r1 = _R8, r2 = _R9; |
| 1628 | else if (jit_reg_free_if_spill_p(_R6) && jit_reg_free_if_spill_p(_R7)) |
| 1629 | r1 = _R6, r2 = _R7; |
| 1630 | else |
| 1631 | /* Do not jit_get_reg() all registers to avoid it */ |
| 1632 | abort(); |
| 1633 | |
| 1634 | (void)jit_get_reg(jit_class_gpr|jit_class_named|r1); |
| 1635 | (void)jit_get_reg(jit_class_gpr|jit_class_named|r2); |
| 1636 | |
| 1637 | return (r1); |
| 1638 | } |
| 1639 | |
| 1640 | static void |
| 1641 | _jit_unget_reg_pair(jit_state_t *_jit, jit_int32_t reg) |
| 1642 | { |
| 1643 | jit_int32_t r1, r2; |
| 1644 | r1 = reg; |
| 1645 | switch (r1) { |
| 1646 | case _R0: r2 = _R1; break; |
| 1647 | case _R2: r2 = _R3; break; |
| 1648 | case _R4: r2 = _R5; break; |
| 1649 | case _R6: r2 = _R7; break; |
| 1650 | case _R8: r2 = _R9; break; |
| 1651 | case _R10: r2 = _R11; break; |
| 1652 | default: abort(); |
| 1653 | } |
| 1654 | jit_unget_reg(r1); |
| 1655 | jit_unget_reg(r2); |
| 1656 | } |
| 1657 | |
| 1658 | static jit_int32_t |
| 1659 | _jit_get_reg_but_zero(jit_state_t *_jit, jit_int32_t flags) |
| 1660 | { |
| 1661 | jit_int32_t reg; |
| 1662 | reg = jit_get_reg(jit_class_gpr); |
| 1663 | if (reg == _R0) { |
| 1664 | reg = jit_get_reg(jit_class_gpr|flags); |
| 1665 | jit_unget_reg(_R0); |
| 1666 | } |
| 1667 | return (reg); |
| 1668 | } |
| 1669 | |
| 1670 | static void |
| 1671 | _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node) |
| 1672 | { |
| 1673 | jit_int32_t flag; |
| 1674 | |
| 1675 | assert(node->flag & jit_flag_node); |
| 1676 | if (node->code == jit_code_movi) |
| 1677 | flag = node->v.n->flag; |
| 1678 | else |
| 1679 | flag = node->u.n->flag; |
| 1680 | assert(!(flag & jit_flag_patch)); |
| 1681 | if (_jitc->patches.offset >= _jitc->patches.length) { |
| 1682 | jit_realloc((jit_pointer_t *)&_jitc->patches.ptr, |
| 1683 | _jitc->patches.length * sizeof(jit_patch_t), |
| 1684 | (_jitc->patches.length + 1024) * sizeof(jit_patch_t)); |
| 1685 | _jitc->patches.length += 1024; |
| 1686 | } |
| 1687 | _jitc->patches.ptr[_jitc->patches.offset].inst = instr; |
| 1688 | _jitc->patches.ptr[_jitc->patches.offset].node = node; |
| 1689 | ++_jitc->patches.offset; |
| 1690 | } |