deps/lightning/lib/jit_alpha.c

   1 /*
   2  * Copyright (C) 2014-2019  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 #define jit_arg_reg_p(i)                ((i) >= 0 && (i) < 6)
  21 #define jit_arg_f_reg_p(i)              ((i) >= 0 && (i) < 6)
  22 #if __BYTE_ORDER == __LITTLE_ENDIAN
  23 #  define C_DISP                        0
  24 #  define S_DISP                        0
  25 #  define I_DISP                        0
  26 #  define F_DISP                        0
  27 #else
  28 #  define C_DISP                        8 - sizeof(jit_int8_t)
  29 #  define S_DISP                        8 - sizeof(jit_int16_t)
  30 #  define I_DISP                        8 - sizeof(jit_int32_t)
  31 #  define F_DISP                        8 - sizeof(jit_float32_t)
  32 #endif
  33
  34 /*
  35  * Types
  36  */
  37 /*
  38  * What I could understand from gcc/config/alpha/alpha.c:alpha_build_builtin_va_list()
  39  * and other helpers, as well as objdump of simple test programs; could not
  40  * get gdb working on the test system I had access...
  41  *
  42  * base-48 to base is where up to 6 float registers are saved.
  43  * base to base+48 is where up to 6 integer registers are saved.
  44  * base+48... is where varargs arguments are stored.
  45  *
  46  *      if (offset < 48) {
  47  *              if (type == double)
  48  *                      offset -= 48;
  49  *      }
  50  *      load(reg, base, offset);
  51  *      offset += 8;
  52  */
  53 typedef struct jit_va_list {
  54     jit_pointer_t       base;
  55     jit_word_t          offset;
  56 } jit_va_list_t;
  57
  58 /*
  59  * Prototypes
  60  */
  61 #define patch(instr, node)              _patch(_jit, instr, node)
  62 static void _patch(jit_state_t*,jit_word_t,jit_node_t*);
  63
  64 #define PROTO                           1
  65 #  include "jit_alpha-cpu.c"
  66 #  include "jit_alpha-fpu.c"
  67 #undef PROTO
  68
  69 /*
  70  * Initialization
  71  */
  72 jit_register_t          _rvs[] = {
  73     { rc(gpr) | 0x1c,                   "at" },
  74     { rc(gpr) | 0x00,                   "v0" },
  75     { rc(gpr) | 0x01,                   "t0" },
  76     { rc(gpr) | 0x02,                   "t1" },
  77     { rc(gpr) | 0x03,                   "t2" },
  78     { rc(gpr) | 0x04,                   "t3" },
  79     { rc(gpr) | 0x05,                   "t4" },
  80     { rc(gpr) | 0x06,                   "t5" },
  81     { rc(gpr) | 0x07,                   "t6" },
  82     { rc(gpr) | 0x08,                   "t7" },
  83     { rc(gpr) | 0x16,                   "t8" },
  84     { rc(gpr) | 0x17,                   "t9" },
  85     { rc(gpr) | 0x18,                   "t10" },
  86     { rc(gpr) | 0x19,                   "t11" },
  87     { rc(sav) | rc(gpr) | 0x09,         "s0" },
  88     { rc(sav) | rc(gpr) | 0x0a,         "s1" },
  89     { rc(sav) | rc(gpr) | 0x0b,         "s2" },
  90     { rc(sav) | rc(gpr) | 0x0c,         "s3" },
  91     { rc(sav) | rc(gpr) | 0x0d,         "s4" },
  92     { rc(sav) | rc(gpr) | 0x0e,         "s5" },
  93     { 0x0f,                             "fp" },
  94     { rc(arg) | rc(gpr) | 0x15,         "a5" },
  95     { rc(arg) | rc(gpr) | 0x14,         "a4" },
  96     { rc(arg) | rc(gpr) | 0x13,         "a3" },
  97     { rc(arg) | rc(gpr) | 0x12,         "a2" },
  98     { rc(arg) | rc(gpr) | 0x11,         "a1" },
  99     { rc(arg) | rc(gpr) | 0x10,         "a0" },
 100     { 0x1a,                             "ra" },
 101     { 0x1b,                             "pv" },
 102     { 0x1d,                             "gp" },
 103     { 0x1e,                             "sp" },
 104     { 0x1f,                             "zero" },
 105     { rc(fpr) | 0x00,                   "$f0" },
 106     { rc(fpr) | 0x01,                   "$f1" },
 107     { rc(sav) | rc(fpr) | 0x02,         "$f2" },
 108     { rc(sav) | rc(fpr) | 0x03,         "$f3" },
 109     { rc(sav) | rc(fpr) | 0x04,         "$f4" },
 110     { rc(sav) | rc(fpr) | 0x05,         "$f5" },
 111     { rc(sav) | rc(fpr) | 0x06,         "$f6" },
 112     { rc(sav) | rc(fpr) | 0x07,         "$f7" },
 113     { rc(sav) | rc(fpr) | 0x08,         "$f8" },
 114     { rc(sav) | rc(fpr) | 0x09,         "$f9" },
 115     { rc(fpr) | 0x0a,                   "$f10" },
 116     { rc(fpr) | 0x0b,                   "$f11" },
 117     { rc(fpr) | 0x0c,                   "$f12" },
 118     { rc(fpr) | 0x0d,                   "$f13" },
 119     { rc(fpr) | 0x0e,                   "$f14" },
 120     { rc(fpr) | 0x0f,                   "$f15" },
 121     { rc(arg) | rc(fpr) | 0x15,         "$f21" },
 122     { rc(arg) | rc(fpr) | 0x14,         "$f20" },
 123     { rc(arg) | rc(fpr) | 0x13,         "$f19" },
 124     { rc(arg) | rc(fpr) | 0x12,         "$f18" },
 125     { rc(arg) | rc(fpr) | 0x11,         "$f17" },
 126     { rc(arg) | rc(fpr) | 0x10,         "$f16" },
 127     { rc(fpr) | 0x16,                   "$f22" },
 128     { rc(fpr) | 0x17,                   "$f23" },
 129     { rc(fpr) | 0x18,                   "$f24" },
 130     { rc(fpr) | 0x19,                   "$f25" },
 131     { rc(fpr) | 0x1a,                   "$f26" },
 132     { rc(fpr) | 0x1b,                   "$f27" },
 133     { rc(fpr) | 0x1c,                   "$f28" },
 134     { rc(fpr) | 0x1d,                   "$f29" },
 135     { rc(fpr) | 0x1e,                   "$f30" },
 136     { 0x1f,                             "$f31" },
 137     { _NOREG,                           "<none>" },
 138 };
 139
 140 /*
 141  * Implementation
 142  */
 143 void
 144 jit_get_cpu(void)
 145 {
 146 }
 147
 148 void
 149 _jit_init(jit_state_t *_jit)
 150 {
 151     _jitc->reglen = jit_size(_rvs) - 1;
 152     jit_carry = _NOREG;
 153 }
 154
 155 void
 156 _jit_prolog(jit_state_t *_jit)
 157 {
 158     jit_int32_t          offset;
 159
 160     if (_jitc->function)
 161         jit_epilog();
 162     assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0);
 163     jit_regset_set_ui(&_jitc->regsav, 0);
 164     offset = _jitc->functions.offset;
 165     if (offset >= _jitc->functions.length) {
 166         jit_realloc((jit_pointer_t *)&_jitc->functions.ptr,
 167                     _jitc->functions.length * sizeof(jit_function_t),
 168                     (_jitc->functions.length + 16) * sizeof(jit_function_t));
 169         _jitc->functions.length += 16;
 170     }
 171     _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++;
 172     _jitc->function->self.size = stack_framesize;
 173     _jitc->function->self.argi = _jitc->function->self.alen = 0;
 174     /* float conversion */
 175     _jitc->function->self.aoff = -8;
 176     _jitc->function->self.call = jit_call_default;
 177     jit_alloc((jit_pointer_t *)&_jitc->function->regoff,
 178               _jitc->reglen * sizeof(jit_int32_t));
 179
 180     /* _no_link here does not mean the jit_link() call can be removed
 181      * by rewriting as:
 182      * _jitc->function->prolog = jit_new_node(jit_code_prolog);
 183      */
 184     _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog);
 185     jit_link(_jitc->function->prolog);
 186     _jitc->function->prolog->w.w = offset;
 187     _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog);
 188     /*  u:      label value
 189      *  v:      offset in blocks vector
 190      *  w:      offset in functions vector
 191      */
 192     _jitc->function->epilog->w.w = offset;
 193
 194     jit_regset_new(&_jitc->function->regset);
 195 }
 196
 197 jit_int32_t
 198 _jit_allocai(jit_state_t *_jit, jit_int32_t length)
 199 {
 200     assert(_jitc->function != NULL);
 201     switch (length) {
 202         case 0: case 1:                                         break;
 203         case 2:         _jitc->function->self.aoff &= -2;       break;
 204         case 3: case 4: _jitc->function->self.aoff &= -4;       break;
 205         default:        _jitc->function->self.aoff &= -8;       break;
 206     }
 207     _jitc->function->self.aoff -= length;
 208     if (!_jitc->realize) {
 209         jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length);
 210         jit_dec_synth();
 211     }
 212     return (_jitc->function->self.aoff);
 213 }
 214
 215 void
 216 _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v)
 217 {
 218     jit_int32_t          reg;
 219     assert(_jitc->function != NULL);
 220     jit_inc_synth_ww(allocar, u, v);
 221     if (!_jitc->function->allocar) {
 222         _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t));
 223         _jitc->function->allocar = 1;
 224     }
 225     reg = jit_get_reg(jit_class_gpr);
 226     jit_negr(reg, v);
 227     jit_andi(reg, reg, -8);
 228     jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff);
 229     jit_addr(u, u, reg);
 230     jit_addr(JIT_SP, JIT_SP, reg);
 231     jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u);
 232     jit_unget_reg(reg);
 233     jit_dec_synth();
 234 }
 235
 236 void
 237 _jit_ret(jit_state_t *_jit)
 238 {
 239     jit_node_t          *instr;
 240     assert(_jitc->function != NULL);
 241     jit_inc_synth(ret);
 242     /* jump to epilog */
 243     instr = jit_jmpi();
 244     jit_patch_at(instr, _jitc->function->epilog);
 245     jit_dec_synth();
 246 }
 247
 248 void
 249 _jit_retr(jit_state_t *_jit, jit_int32_t u)
 250 {
 251     jit_inc_synth_w(retr, u);
 252     if (JIT_RET != u)
 253         jit_movr(JIT_RET, u);
 254     jit_live(JIT_RET);
 255     jit_ret();
 256     jit_dec_synth();
 257 }
 258
 259 void
 260 _jit_reti(jit_state_t *_jit, jit_word_t u)
 261 {
 262     jit_inc_synth_w(reti, u);
 263     jit_movi(JIT_RET, u);
 264     jit_ret();
 265     jit_dec_synth();
 266 }
 267
 268 void
 269 _jit_retr_f(jit_state_t *_jit, jit_int32_t u)
 270 {
 271     jit_inc_synth_w(retr_f, u);
 272     if (u != JIT_FRET)
 273         jit_movr_f(JIT_FRET, u);
 274     else
 275         jit_live(JIT_FRET);
 276     jit_ret();
 277     jit_dec_synth();
 278 }
 279
 280 void
 281 _jit_reti_f(jit_state_t *_jit, jit_float32_t u)
 282 {
 283     jit_inc_synth_f(reti_f, u);
 284     jit_movi_f(JIT_FRET, u);
 285     jit_ret();
 286     jit_dec_synth();
 287 }
 288
 289 void
 290 _jit_retr_d(jit_state_t *_jit, jit_int32_t u)
 291 {
 292     jit_inc_synth_w(retr_d, u);
 293     if (u != JIT_FRET)
 294         jit_movr_d(JIT_FRET, u);
 295     else
 296         jit_live(JIT_FRET);
 297     jit_ret();
 298     jit_dec_synth();
 299 }
 300
 301 void
 302 _jit_reti_d(jit_state_t *_jit, jit_float64_t u)
 303 {
 304     jit_inc_synth_d(reti_d, u);
 305     jit_movi_d(JIT_FRET, u);
 306     jit_ret();
 307     jit_dec_synth();
 308 }
 309
 310 void
 311 _jit_epilog(jit_state_t *_jit)
 312 {
 313     assert(_jitc->function != NULL);
 314     assert(_jitc->function->epilog->next == NULL);
 315     jit_link(_jitc->function->epilog);
 316     _jitc->function = NULL;
 317 }
 318
 319 jit_bool_t
 320 _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u)
 321 {
 322     if (u->code == jit_code_arg)
 323         return (jit_arg_reg_p(u->u.w));
 324     assert(u->code == jit_code_arg_f || u->code == jit_code_arg_d);
 325     return (jit_arg_f_reg_p(u->u.w));
 326 }
 327
 328 void
 329 _jit_ellipsis(jit_state_t *_jit)
 330 {
 331     jit_inc_synth(ellipsis);
 332     if (_jitc->prepare) {
 333         jit_link_prepare();
 334         assert(!(_jitc->function->call.call & jit_call_varargs));
 335         _jitc->function->call.call |= jit_call_varargs;
 336     }
 337     else {
 338         jit_link_prolog();
 339         assert(!(_jitc->function->self.call & jit_call_varargs));
 340         _jitc->function->self.call |= jit_call_varargs;
 341
 342         /* Allocate va_list like object in the stack */
 343         _jitc->function->vaoff = jit_allocai(sizeof(jit_va_list_t));
 344         _jitc->function->vagp = _jitc->function->self.argi;
 345     }
 346     jit_dec_synth();
 347 }
 348
 349 void
 350 _jit_va_push(jit_state_t *_jit, jit_int32_t u)
 351 {
 352     jit_int32_t         reg;
 353     jit_inc_synth_w(va_push, u);
 354     reg = jit_get_reg(jit_class_gpr);
 355     jit_ldxi(reg, u, offsetof(jit_va_list_t, base));
 356     jit_pushargr(reg);
 357     jit_ldxi(reg, u, offsetof(jit_va_list_t, offset));
 358     jit_pushargr(reg);
 359     jit_unget_reg(reg);
 360     jit_dec_synth();
 361 }
 362
 363 jit_node_t *
 364 _jit_arg(jit_state_t *_jit)
 365 {
 366     jit_node_t          *node;
 367     jit_int32_t          offset;
 368     assert(_jitc->function != NULL);
 369     if (jit_arg_reg_p(_jitc->function->self.argi))
 370         offset = _jitc->function->self.argi++;
 371     else {
 372         offset = _jitc->function->self.size;
 373         _jitc->function->self.size += 8;
 374     }
 375     node = jit_new_node_ww(jit_code_arg, offset,
 376                            ++_jitc->function->self.argn);
 377     jit_link_prolog();
 378     return (node);
 379 }
 380
 381 jit_node_t *
 382 _jit_arg_f(jit_state_t *_jit)
 383 {
 384     jit_node_t          *node;
 385     jit_int32_t          offset;
 386     assert(_jitc->function != NULL);
 387     if (jit_arg_f_reg_p(_jitc->function->self.argi))
 388         offset = _jitc->function->self.argi++;
 389     else {
 390         offset = _jitc->function->self.size;
 391         _jitc->function->self.size += 8;
 392     }
 393     node = jit_new_node_ww(jit_code_arg_f, offset,
 394                            ++_jitc->function->self.argn);
 395     jit_link_prolog();
 396     return (node);
 397 }
 398
 399 jit_node_t *
 400 _jit_arg_d(jit_state_t *_jit)
 401 {
 402     jit_node_t          *node;
 403     jit_int32_t          offset;
 404     assert(_jitc->function != NULL);
 405     if (jit_arg_f_reg_p(_jitc->function->self.argi))
 406         offset = _jitc->function->self.argi++;
 407     else {
 408         offset = _jitc->function->self.size;
 409         _jitc->function->self.size += 8;
 410     }
 411     node = jit_new_node_ww(jit_code_arg_d, offset,
 412                            ++_jitc->function->self.argn);
 413     jit_link_prolog();
 414     return (node);
 415 }
 416
 417 void
 418 _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 419 {
 420     assert(v->code == jit_code_arg);
 421     jit_inc_synth_wp(getarg_c, u, v);
 422     if (jit_arg_reg_p(v->u.w))
 423         jit_extr_c(u, _A0 - v->u.w);
 424     else
 425         jit_ldxi_c(u, _FP, v->u.w + C_DISP);
 426     jit_dec_synth();
 427 }
 428
 429 void
 430 _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 431 {
 432     assert(v->code == jit_code_arg);
 433     jit_inc_synth_wp(getarg_uc, u, v);
 434     if (jit_arg_reg_p(v->u.w))
 435         jit_extr_uc(u, _A0 - v->u.w);
 436     else
 437         jit_ldxi_uc(u, _FP, v->u.w + C_DISP);
 438     jit_dec_synth();
 439 }
 440
 441 void
 442 _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 443 {
 444     assert(v->code == jit_code_arg);
 445     jit_inc_synth_wp(getarg_s, u, v);
 446     if (jit_arg_reg_p(v->u.w))
 447         jit_extr_s(u, _A0 - v->u.w);
 448     else
 449         jit_ldxi_s(u, _FP, v->u.w + S_DISP);
 450     jit_dec_synth();
 451 }
 452
 453 void
 454 _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 455 {
 456     assert(v->code == jit_code_arg);
 457     jit_inc_synth_wp(getarg_us, u, v);
 458     if (jit_arg_reg_p(v->u.w))
 459         jit_extr_us(u, _A0 - v->u.w);
 460     else
 461         jit_ldxi_us(u, _FP, v->u.w + S_DISP);
 462     jit_dec_synth();
 463 }
 464
 465 void
 466 _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 467 {
 468     assert(v->code == jit_code_arg);
 469     jit_inc_synth_wp(getarg_i, u, v);
 470     if (jit_arg_reg_p(v->u.w))
 471         jit_extr_i(u, _A0 - v->u.w);
 472     else
 473         jit_ldxi_i(u, _FP, v->u.w + I_DISP);
 474     jit_dec_synth();
 475 }
 476
 477 void
 478 _jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 479 {
 480     assert(v->code == jit_code_arg);
 481     jit_inc_synth_wp(getarg_ui, u, v);
 482     if (jit_arg_reg_p(v->u.w))
 483         jit_extr_ui(u, _A0 - v->u.w);
 484     else
 485         jit_ldxi_ui(u, _FP, v->u.w + I_DISP);
 486     jit_dec_synth();
 487 }
 488
 489 void
 490 _jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 491 {
 492     assert(v->code == jit_code_arg);
 493     jit_inc_synth_wp(getarg_l, u, v);
 494     if (jit_arg_reg_p(v->u.w))
 495         jit_movr(u, _A0 - v->u.w);
 496     else
 497         jit_ldxi_l(u, _FP, v->u.w);
 498     jit_dec_synth();
 499 }
 500
 501 void
 502 _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 503 {
 504     assert(v->code == jit_code_arg);
 505     jit_inc_synth_wp(putargr, u, v);
 506     if (jit_arg_reg_p(v->u.w))
 507         jit_movr(_A0 - v->u.w, u);
 508     else
 509         jit_stxi(v->u.w, _FP, u);
 510     jit_dec_synth();
 511 }
 512
 513 void
 514 _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v)
 515 {
 516     jit_int32_t         regno;
 517     assert(v->code == jit_code_arg);
 518     jit_inc_synth_wp(putargi, u, v);
 519     if (jit_arg_reg_p(v->u.w))
 520         jit_movi(_A0 - v->u.w, u);
 521     else {
 522         regno = jit_get_reg(jit_class_gpr);
 523         jit_movi(regno, u);
 524         jit_stxi(v->u.w, _FP, regno);
 525         jit_unget_reg(regno);
 526     }
 527     jit_dec_synth();
 528 }
 529
 530 void
 531 _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 532 {
 533     assert(v->code == jit_code_arg_f);
 534     jit_inc_synth_wp(getarg_f, u, v);
 535     if (jit_arg_f_reg_p(v->u.w))
 536         jit_movr_f(u, _F16 - v->u.w);
 537     else
 538         jit_ldxi_f(u, _FP, v->u.w + F_DISP);
 539     jit_dec_synth();
 540 }
 541
 542 void
 543 _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 544 {
 545     assert(v->code == jit_code_arg_f);
 546     jit_inc_synth_wp(putargr_f, u, v);
 547     if (jit_arg_f_reg_p(v->u.w))
 548         jit_movr_f(_F16 - v->u.w, u);
 549     else
 550         jit_stxi_f(v->u.w, _FP, u + F_DISP);
 551     jit_dec_synth();
 552 }
 553
 554 void
 555 _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v)
 556 {
 557     jit_int32_t         regno;
 558     assert(v->code == jit_code_arg_f);
 559     jit_inc_synth_fp(putargi_f, u, v);
 560     if (jit_arg_f_reg_p(v->u.w))
 561         jit_movi_f(_F16 - v->u.w, u);
 562     else {
 563         regno = jit_get_reg(jit_class_fpr);
 564         jit_movi_f(regno, u);
 565         jit_stxi_f(v->u.w, _FP, regno + F_DISP);
 566         jit_unget_reg(regno);
 567     }
 568     jit_dec_synth();
 569 }
 570
 571 void
 572 _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 573 {
 574     assert(v->code == jit_code_arg_d);
 575     jit_inc_synth_wp(getarg_d, u, v);
 576     if (jit_arg_f_reg_p(v->u.w))
 577         jit_movr_d(u, _F16 - v->u.w);
 578     else
 579         jit_ldxi_d(u, _FP, v->u.w);
 580     jit_dec_synth();
 581 }
 582
 583 void
 584 _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 585 {
 586     assert(v->code == jit_code_arg_d);
 587     jit_inc_synth_wp(putargr_d, u, v);
 588     if (jit_arg_f_reg_p(v->u.w))
 589         jit_movr_d(_F16 - v->u.w, u);
 590     else
 591         jit_stxi_d(v->u.w, _FP, u);
 592     jit_dec_synth();
 593 }
 594
 595 void
 596 _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v)
 597 {
 598     jit_int32_t         regno;
 599     assert(v->code == jit_code_arg_d);
 600     jit_inc_synth_dp(putargi_d, u, v);
 601     if (jit_arg_f_reg_p(v->u.w))
 602         jit_movi_d(_F16 - v->u.w, u);
 603     else {
 604         regno = jit_get_reg(jit_class_fpr);
 605         jit_movi_d(regno, u);
 606         jit_stxi_d(v->u.w, _FP, regno);
 607         jit_unget_reg(regno);
 608     }
 609     jit_dec_synth();
 610 }
 611
 612 void
 613 _jit_pushargr(jit_state_t *_jit, jit_int32_t u)
 614 {
 615     assert(_jitc->function != NULL);
 616     jit_inc_synth_w(pushargr, u);
 617     jit_link_prepare();
 618     if (jit_arg_reg_p(_jitc->function->call.argi)) {
 619         jit_movr(_A0 - _jitc->function->call.argi, u);
 620         ++_jitc->function->call.argi;
 621     }
 622     else {
 623         jit_stxi(_jitc->function->call.size, JIT_SP, u);
 624         _jitc->function->call.size += 8;
 625     }
 626     jit_dec_synth();
 627 }
 628
 629 void
 630 _jit_pushargi(jit_state_t *_jit, jit_int64_t u)
 631 {
 632     jit_int32_t         regno;
 633     assert(_jitc->function != NULL);
 634     jit_inc_synth_w(pushargi, u);
 635     jit_link_prepare();
 636     if (jit_arg_reg_p(_jitc->function->call.argi)) {
 637         jit_movi(_A0 - _jitc->function->call.argi, u);
 638         ++_jitc->function->call.argi;
 639     }
 640     else {
 641         regno = jit_get_reg(jit_class_gpr);
 642         jit_movi(regno, u);
 643         jit_stxi(_jitc->function->call.size, JIT_SP, regno);
 644         _jitc->function->call.size += 8;
 645         jit_unget_reg(regno);
 646     }
 647     jit_dec_synth();
 648 }
 649
 650 void
 651 _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u)
 652 {
 653     assert(_jitc->function != NULL);
 654     jit_inc_synth_w(pushargr_f, u);
 655     jit_link_prepare();
 656     if (jit_arg_f_reg_p(_jitc->function->call.argi)) {
 657         jit_movr_f(_F16 - _jitc->function->call.argi, u);
 658         ++_jitc->function->call.argi;
 659     }
 660     else {
 661         jit_stxi_f(_jitc->function->call.size + F_DISP, JIT_SP, u);
 662         _jitc->function->call.size += 8;
 663     }
 664     jit_dec_synth();
 665 }
 666
 667 void
 668 _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u)
 669 {
 670     jit_int32_t         regno;
 671     assert(_jitc->function != NULL);
 672     jit_inc_synth_f(pushargi_f, u);
 673     jit_link_prepare();
 674     if (jit_arg_f_reg_p(_jitc->function->call.argi)) {
 675         jit_movi_f(_F16 - _jitc->function->call.argi, u);
 676         ++_jitc->function->call.argi;
 677     }
 678     else {
 679         regno = jit_get_reg(jit_class_fpr);
 680         jit_movi_f(regno, u);
 681         jit_stxi_f(_jitc->function->call.size + F_DISP, JIT_SP, regno);
 682         _jitc->function->call.size += 8;
 683         jit_unget_reg(regno);
 684     }
 685     jit_dec_synth();
 686 }
 687
 688 void
 689 _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u)
 690 {
 691     assert(_jitc->function != NULL);
 692     jit_inc_synth_w(pushargr_d, u);
 693     jit_link_prepare();
 694     if (jit_arg_f_reg_p(_jitc->function->call.argi)) {
 695         jit_movr_d(_F16 - _jitc->function->call.argi, u);
 696         ++_jitc->function->call.argi;
 697     }
 698     else {
 699         jit_stxi_d(_jitc->function->call.size, JIT_SP, u);
 700         _jitc->function->call.size += 8;
 701     }
 702     jit_dec_synth();
 703 }
 704
 705 void
 706 _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u)
 707 {
 708     jit_int32_t         regno;
 709     assert(_jitc->function != NULL);
 710     jit_inc_synth_d(pushargi_d, u);
 711     jit_link_prepare();
 712     if (jit_arg_f_reg_p(_jitc->function->call.argi)) {
 713         jit_movi_d(_F16 - _jitc->function->call.argi, u);
 714         ++_jitc->function->call.argi;
 715     }
 716     else {
 717         regno = jit_get_reg(jit_class_fpr);
 718         jit_movi_d(regno, u);
 719         jit_stxi_d(_jitc->function->call.size, JIT_SP, regno);
 720         _jitc->function->call.size += 8;
 721         jit_unget_reg(regno);
 722     }
 723     jit_dec_synth();
 724 }
 725
 726 jit_bool_t
 727 _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno)
 728 {
 729     jit_int32_t         spec;
 730
 731     spec = jit_class(_rvs[regno].spec);
 732     if (spec & jit_class_arg) {
 733         if (spec & jit_class_gpr) {
 734             regno = _A0 - regno;
 735             if (regno >= 0 && regno < node->v.w)
 736                 return (1);
 737         }
 738         else if (spec & jit_class_fpr) {
 739             regno = _F16 - regno;
 740             if (regno >= 0 && regno < node->w.w)
 741                 return (1);
 742         }
 743     }
 744
 745     return (0);
 746 }
 747
 748 void
 749 _jit_finishr(jit_state_t *_jit, jit_int32_t r0)
 750 {
 751     jit_node_t          *call;
 752     assert(_jitc->function != NULL);
 753     jit_inc_synth_w(finishr, r0);
 754     if (_jitc->function->self.alen < _jitc->function->call.size)
 755         _jitc->function->self.alen = _jitc->function->call.size;
 756     call = jit_callr(r0);
 757     call->v.w = call->w.w = _jitc->function->self.argi;
 758     _jitc->function->call.argi = _jitc->function->call.size = 0;
 759     _jitc->prepare = 0;
 760     jit_dec_synth();
 761 }
 762
 763 jit_node_t *
 764 _jit_finishi(jit_state_t *_jit, jit_pointer_t i0)
 765 {
 766     jit_node_t          *call;
 767     assert(_jitc->function != NULL);
 768     jit_inc_synth_w(finishi, (jit_word_t)i0);
 769     if (_jitc->function->self.alen < _jitc->function->call.size)
 770         _jitc->function->self.alen = _jitc->function->call.size;
 771     call = jit_calli(i0);
 772     call->v.w = call->w.w = _jitc->function->self.argf;
 773     _jitc->function->call.argi = _jitc->function->call.size = 0;
 774     _jitc->prepare = 0;
 775     jit_dec_synth();
 776     return (call);
 777 }
 778
 779 void
 780 _jit_retval_c(jit_state_t *_jit, jit_int32_t r0)
 781 {
 782     jit_inc_synth_w(retval_c, r0);
 783     jit_extr_c(r0, JIT_RET);
 784     jit_dec_synth();
 785 }
 786
 787 void
 788 _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0)
 789 {
 790     jit_inc_synth_w(retval_uc, r0);
 791     jit_extr_uc(r0, JIT_RET);
 792     jit_dec_synth();
 793 }
 794
 795 void
 796 _jit_retval_s(jit_state_t *_jit, jit_int32_t r0)
 797 {
 798     jit_inc_synth_w(retval_s, r0);
 799     jit_extr_s(r0, JIT_RET);
 800     jit_dec_synth();
 801 }
 802
 803 void
 804 _jit_retval_us(jit_state_t *_jit, jit_int32_t r0)
 805 {
 806     jit_inc_synth_w(retval_us, r0);
 807     jit_extr_us(r0, JIT_RET);
 808     jit_dec_synth();
 809 }
 810
 811 void
 812 _jit_retval_i(jit_state_t *_jit, jit_int32_t r0)
 813 {
 814     jit_inc_synth_w(retval_i, r0);
 815     jit_extr_i(r0, JIT_RET);
 816     jit_dec_synth();
 817 }
 818
 819 void
 820 _jit_retval_ui(jit_state_t *_jit, jit_int32_t r0)
 821 {
 822     jit_inc_synth_w(retval_ui, r0);
 823     jit_extr_ui(r0, JIT_RET);
 824     jit_dec_synth();
 825 }
 826
 827 void
 828 _jit_retval_l(jit_state_t *_jit, jit_int32_t r0)
 829 {
 830     jit_inc_synth_w(retval_l, r0);
 831     if (r0 != JIT_RET)
 832         jit_movr(r0, JIT_RET);
 833     jit_dec_synth();
 834 }
 835
 836 void
 837 _jit_retval_f(jit_state_t *_jit, jit_int32_t r0)
 838 {
 839     jit_inc_synth_w(retval_f, r0);
 840     if (r0 != JIT_FRET)
 841         jit_movr_f(r0, JIT_FRET);
 842     jit_dec_synth();
 843 }
 844
 845 void
 846 _jit_retval_d(jit_state_t *_jit, jit_int32_t r0)
 847 {
 848     jit_inc_synth_w(retval_d, r0);
 849     if (r0 != JIT_FRET)
 850         jit_movr_d(r0, JIT_FRET);
 851     jit_dec_synth();
 852 }
 853
 854 jit_pointer_t
 855 _emit_code(jit_state_t *_jit)
 856 {
 857     jit_node_t          *node;
 858     jit_node_t          *temp;
 859     jit_word_t           word;
 860     jit_word_t           value;
 861     jit_int32_t          offset;
 862     struct {
 863         jit_node_t      *node;
 864         jit_uint8_t     *data;
 865         jit_word_t       word;
 866 #if DEVEL_DISASSEMBLER
 867         jit_word_t       prevw;
 868 #endif
 869         jit_int32_t      const_offset;
 870         jit_int32_t      patch_offset;
 871     } undo;
 872 #if DEVEL_DISASSEMBLER
 873     jit_word_t           prevw;
 874 #endif
 875
 876     _jitc->function = NULL;
 877
 878     jit_reglive_setup();
 879
 880     undo.word = 0;
 881     undo.node = NULL;
 882     undo.const_offset = undo.patch_offset = 0;
 883 #define case_rr(name, type)                                             \
 884             case jit_code_##name##r##type:                              \
 885                 name##r##type(rn(node->u.w), rn(node->v.w));            \
 886                 break
 887 #define case_rw(name, type)                                             \
 888             case jit_code_##name##i##type:                              \
 889                 name##i##type(rn(node->u.w), node->v.w);                \
 890                 break
 891 #define case_wr(name, type)                                             \
 892             case jit_code_##name##i##type:                              \
 893                 name##i##type(node->u.w, rn(node->v.w));                \
 894                 break
 895 #define case_rrr(name, type)                                            \
 896             case jit_code_##name##r##type:                              \
 897                 name##r##type(rn(node->u.w),                            \
 898                               rn(node->v.w), rn(node->w.w));            \
 899                 break
 900 #define case_rrw(name, type)                                            \
 901             case jit_code_##name##i##type:                              \
 902                 name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \
 903                 break
 904 #define case_rrf(name, type, size)                                      \
 905             case jit_code_##name##i##type:                              \
 906                 assert(node->flag & jit_flag_data);                     \
 907                 name##i##type(rn(node->u.w), rn(node->v.w),             \
 908                               (jit_float##size##_t *)node->w.n->u.w);   \
 909                 break
 910 #define case_rrrr(name, type)                                           \
 911             case jit_code_##name##r##type:                              \
 912                 name##r##type(rn(node->u.q.l), rn(node->u.q.h),         \
 913                               rn(node->v.w), rn(node->w.w));            \
 914                 break
 915 #define case_rrrw(name, type)                                           \
 916             case jit_code_##name##i##type:                              \
 917                 name##i##type(rn(node->u.q.l), rn(node->u.q.h),         \
 918                               rn(node->v.w), node->w.w);                \
 919                 break
 920 #define case_wrr(name, type)                                            \
 921             case jit_code_##name##i##type:                              \
 922                 name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \
 923                 break
 924 #define case_brr(name, type)                                            \
 925             case jit_code_##name##r##type:                              \
 926                 temp = node->u.n;                                       \
 927                 assert(temp->code == jit_code_label ||                  \
 928                        temp->code == jit_code_epilog);                  \
 929                 if (temp->flag & jit_flag_patch)                        \
 930                     name##r##type(temp->u.w, rn(node->v.w),             \
 931                                   rn(node->w.w));                       \
 932                 else {                                                  \
 933                     word = name##r##type(_jit->pc.w,                    \
 934                                          rn(node->v.w), rn(node->w.w)); \
 935                     patch(word, node);                                  \
 936                 }                                                       \
 937                 break
 938 #define case_brw(name, type)                                            \
 939             case jit_code_##name##i##type:                              \
 940                 temp = node->u.n;                                       \
 941                 assert(temp->code == jit_code_label ||                  \
 942                        temp->code == jit_code_epilog);                  \
 943                 if (temp->flag & jit_flag_patch)                        \
 944                     name##i##type(temp->u.w,                            \
 945                                   rn(node->v.w), node->w.w);            \
 946                 else {                                                  \
 947                     word = name##i##type(_jit->pc.w,                    \
 948                                          rn(node->v.w), node->w.w);     \
 949                     patch(word, node);                                  \
 950                 }                                                       \
 951                 break
 952 #define case_brf(name, type, size)                                      \
 953             case jit_code_##name##i##type:                              \
 954                 temp = node->u.n;                                       \
 955                 assert(temp->code == jit_code_label ||                  \
 956                        temp->code == jit_code_epilog);                  \
 957                 if (temp->flag & jit_flag_patch)                        \
 958                     name##i##type(temp->u.w, rn(node->v.w),             \
 959                                 (jit_float##size##_t *)node->w.n->u.w); \
 960                 else {                                                  \
 961                     word = name##i##type(_jit->pc.w, rn(node->v.w),     \
 962                                 (jit_float##size##_t *)node->w.n->u.w); \
 963                     patch(word, node);                                  \
 964                 }                                                       \
 965                 break
 966 #if DEVEL_DISASSEMBLER
 967     prevw = _jit->pc.w;
 968 #endif
 969     for (node = _jitc->head; node; node = node->next) {
 970         if (_jit->pc.uc >= _jitc->code.end)
 971             return (NULL);
 972
 973 #if DEVEL_DISASSEMBLER
 974         node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw;
 975         prevw = _jit->pc.w;
 976 #endif
 977         value = jit_classify(node->code);
 978         jit_regarg_set(node, value);
 979         switch (node->code) {
 980             case jit_code_align:
 981                 assert(!(node->u.w & (node->u.w - 1)) &&
 982                        node->u.w <= sizeof(jit_word_t));
 983                 if (node->u.w == sizeof(jit_word_t) &&
 984                     (word = _jit->pc.w & (sizeof(jit_word_t) - 1)))
 985                     nop(sizeof(jit_word_t) - word);
 986                 break;
 987             case jit_code_note:         case jit_code_name:
 988                 node->u.w = _jit->pc.w;
 989                 break;
 990             case jit_code_label:
 991                 /* remember label is defined */
 992                 node->flag |= jit_flag_patch;
 993                 node->u.w = _jit->pc.w;
 994                 break;
 995                 case_rrr(add,);
 996                 case_rrw(add,);
 997                 case_rrr(addc,);
 998                 case_rrw(addc,);
 999                 case_rrr(addx,);
1000                 case_rrw(addx,);
1001                 case_rrr(sub,);
1002                 case_rrw(sub,);
1003                 case_rrr(subc,);
1004                 case_rrw(subc,);
1005                 case_rrr(subx,);
1006                 case_rrw(subx,);
1007                 case_rrw(rsb,);
1008                 case_rrr(mul,);
1009                 case_rrw(mul,);
1010                 case_rrrr(qmul,);
1011                 case_rrrw(qmul,);
1012                 case_rrrr(qmul, _u);
1013                 case_rrrw(qmul, _u);
1014                 case_rrr(div,);
1015                 case_rrw(div,);
1016                 case_rrr(div, _u);
1017                 case_rrw(div, _u);
1018                 case_rrrr(qdiv,);
1019                 case_rrrw(qdiv,);
1020                 case_rrrr(qdiv, _u);
1021                 case_rrrw(qdiv, _u);
1022                 case_rrr(rem,);
1023                 case_rrw(rem,);
1024                 case_rrr(rem, _u);
1025                 case_rrw(rem, _u);
1026                 case_rrr(lsh,);
1027                 case_rrw(lsh,);
1028                 case_rrr(rsh,);
1029                 case_rrw(rsh,);
1030                 case_rrr(rsh, _u);
1031                 case_rrw(rsh, _u);
1032                 case_rrr(and,);
1033                 case_rrw(and,);
1034                 case_rrr(or,);
1035                 case_rrw(or,);
1036                 case_rrr(xor,);
1037                 case_rrw(xor,);
1038                 case_rr(trunc, _f_i);
1039                 case_rr(trunc, _d_i);
1040                 case_rr(trunc, _f_l);
1041                 case_rr(trunc, _d_l);
1042                 case_rr(ld, _c);
1043                 case_rw(ld, _c);
1044                 case_rr(ld, _uc);
1045                 case_rw(ld, _uc);
1046                 case_rr(ld, _s);
1047                 case_rw(ld, _s);
1048                 case_rr(ld, _us);
1049                 case_rw(ld, _us);
1050                 case_rr(ld, _i);
1051                 case_rw(ld, _i);
1052                 case_rr(ld, _ui);
1053                 case_rw(ld, _ui);
1054                 case_rr(ld, _l);
1055                 case_rw(ld, _l);
1056                 case_rrr(ldx, _c);
1057                 case_rrw(ldx, _c);
1058                 case_rrr(ldx, _uc);
1059                 case_rrw(ldx, _uc);
1060                 case_rrr(ldx, _s);
1061                 case_rrw(ldx, _s);
1062                 case_rrr(ldx, _us);
1063                 case_rrw(ldx, _us);
1064                 case_rrr(ldx, _i);
1065                 case_rrw(ldx, _i);
1066                 case_rrr(ldx, _ui);
1067                 case_rrw(ldx, _ui);
1068                 case_rrr(ldx, _l);
1069                 case_rrw(ldx, _l);
1070                 case_rr(st, _c);
1071                 case_wr(st, _c);
1072                 case_rr(st, _s);
1073                 case_wr(st, _s);
1074                 case_rr(st, _i);
1075                 case_wr(st, _i);
1076                 case_rr(st, _l);
1077                 case_wr(st, _l);
1078                 case_rrr(stx, _c);
1079                 case_wrr(stx, _c);
1080                 case_rrr(stx, _s);
1081                 case_wrr(stx, _s);
1082                 case_rrr(stx, _i);
1083                 case_wrr(stx, _i);
1084                 case_rrr(stx, _l);
1085                 case_wrr(stx, _l);
1086                 case_rr(hton, _us);
1087                 case_rr(hton, _ui);
1088                 case_rr(hton, _ul);
1089                 case_rr(bswap, _us);
1090                 case_rr(bswap, _ui);
1091                 case_rr(bswap, _ul);
1092                 case_rr(ext, _c);
1093                 case_rr(ext, _uc);
1094                 case_rr(ext, _s);
1095                 case_rr(ext, _us);
1096                 case_rr(ext, _i);
1097                 case_rr(ext, _ui);
1098                 case_rrr(movn,);
1099                 case_rrr(movz,);
1100                 case_rr(mov,);
1101             case jit_code_movi:
1102                 if (node->flag & jit_flag_node) {
1103                     temp = node->v.n;
1104                     if (temp->code == jit_code_data ||
1105                         (temp->code == jit_code_label &&
1106                          (temp->flag & jit_flag_patch)))
1107                         movi(rn(node->u.w), temp->u.w);
1108                     else {
1109                         assert(temp->code == jit_code_label ||
1110                                temp->code == jit_code_epilog);
1111                         word = movi_p(rn(node->u.w), node->v.w);
1112                         patch(word, node);
1113                     }
1114                 }
1115                 else
1116                     movi(rn(node->u.w), node->v.w);
1117                 break;
1118                 case_rr(neg,);
1119                 case_rr(com,);
1120                 case_rrr(lt,);
1121                 case_rrw(lt,);
1122                 case_rrr(lt, _u);
1123                 case_rrw(lt, _u);
1124                 case_rrr(le,);
1125                 case_rrw(le,);
1126                 case_rrr(le, _u);
1127                 case_rrw(le, _u);
1128                 case_rrr(eq,);
1129                 case_rrw(eq,);
1130                 case_rrr(ge,);
1131                 case_rrw(ge,);
1132                 case_rrr(ge, _u);
1133                 case_rrw(ge, _u);
1134                 case_rrr(gt,);
1135                 case_rrw(gt,);
1136                 case_rrr(gt, _u);
1137                 case_rrw(gt, _u);
1138                 case_rrr(ne,);
1139                 case_rrw(ne,);
1140                 case_brr(blt,);
1141                 case_brw(blt,);
1142                 case_brr(blt, _u);
1143                 case_brw(blt, _u);
1144                 case_brr(ble,);
1145                 case_brw(ble,);
1146                 case_brr(ble, _u);
1147                 case_brw(ble, _u);
1148                 case_brr(beq,);
1149                 case_brw(beq,);
1150                 case_brr(bge,);
1151                 case_brw(bge,);
1152                 case_brr(bge, _u);
1153                 case_brw(bge, _u);
1154                 case_brr(bgt,);
1155                 case_brw(bgt,);
1156                 case_brr(bgt, _u);
1157                 case_brw(bgt, _u);
1158                 case_brr(bne,);
1159                 case_brw(bne,);
1160                 case_brr(boadd,);
1161                 case_brw(boadd,);
1162                 case_brr(boadd, _u);
1163                 case_brw(boadd, _u);
1164                 case_brr(bxadd,);
1165                 case_brw(bxadd,);
1166                 case_brr(bxadd, _u);
1167                 case_brw(bxadd, _u);
1168                 case_brr(bosub,);
1169                 case_brw(bosub,);
1170                 case_brr(bosub, _u);
1171                 case_brw(bosub, _u);
1172                 case_brr(bxsub,);
1173                 case_brw(bxsub,);
1174                 case_brr(bxsub, _u);
1175                 case_brw(bxsub, _u);
1176                 case_brr(bms,);
1177                 case_brw(bms,);
1178                 case_brr(bmc,);
1179                 case_brw(bmc,);
1180                 case_rrr(add, _f);
1181                 case_rrf(add, _f, 32);
1182                 case_rrr(sub, _f);
1183                 case_rrf(sub, _f, 32);
1184                 case_rrf(rsb, _f, 32);
1185                 case_rrr(mul, _f);
1186                 case_rrf(mul, _f, 32);
1187                 case_rrr(div, _f);
1188                 case_rrf(div, _f, 32);
1189                 case_rr(abs, _f);
1190                 case_rr(neg, _f);
1191                 case_rr(sqrt, _f);
1192                 case_rr(ext, _f);
1193                 case_rr(ld, _f);
1194                 case_rw(ld, _f);
1195                 case_rrr(ldx, _f);
1196                 case_rrw(ldx, _f);
1197                 case_rr(st, _f);
1198                 case_wr(st, _f);
1199                 case_rrr(stx, _f);
1200                 case_wrr(stx, _f);
1201                 case_rr(mov, _f);
1202             case jit_code_movi_f:
1203                 assert(node->flag & jit_flag_data);
1204                 movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w);
1205                 break;
1206                 case_rr(ext, _d_f);
1207                 case_rrr(lt, _f);
1208                 case_rrf(lt, _f, 32);
1209                 case_rrr(le, _f);
1210                 case_rrf(le, _f, 32);
1211                 case_rrr(eq, _f);
1212                 case_rrf(eq, _f, 32);
1213                 case_rrr(ge, _f);
1214                 case_rrf(ge, _f, 32);
1215                 case_rrr(gt, _f);
1216                 case_rrf(gt, _f, 32);
1217                 case_rrr(ne, _f);
1218                 case_rrf(ne, _f, 32);
1219                 case_rrr(unlt, _f);
1220                 case_rrf(unlt, _f, 32);
1221                 case_rrr(unle, _f);
1222                 case_rrf(unle, _f, 32);
1223                 case_rrr(uneq, _f);
1224                 case_rrf(uneq, _f, 32);
1225                 case_rrr(unge, _f);
1226                 case_rrf(unge, _f, 32);
1227                 case_rrr(ungt, _f);
1228                 case_rrf(ungt, _f, 32);
1229                 case_rrr(ltgt, _f);
1230                 case_rrf(ltgt, _f, 32);
1231                 case_rrr(ord, _f);
1232                 case_rrf(ord, _f, 32);
1233                 case_rrr(unord, _f);
1234                 case_rrf(unord, _f, 32);
1235                 case_brr(blt, _f);
1236                 case_brf(blt, _f, 32);
1237                 case_brr(ble, _f);
1238                 case_brf(ble, _f, 32);
1239                 case_brr(beq, _f);
1240                 case_brf(beq, _f, 32);
1241                 case_brr(bge, _f);
1242                 case_brf(bge, _f, 32);
1243                 case_brr(bgt, _f);
1244                 case_brf(bgt, _f, 32);
1245                 case_brr(bne, _f);
1246                 case_brf(bne, _f, 32);
1247                 case_brr(bunlt, _f);
1248                 case_brf(bunlt, _f, 32);
1249                 case_brr(bunle, _f);
1250                 case_brf(bunle, _f, 32);
1251                 case_brr(buneq, _f);
1252                 case_brf(buneq, _f, 32);
1253                 case_brr(bunge, _f);
1254                 case_brf(bunge, _f, 32);
1255                 case_brr(bungt, _f);
1256                 case_brf(bungt, _f, 32);
1257                 case_brr(bltgt, _f);
1258                 case_brf(bltgt, _f, 32);
1259                 case_brr(bord, _f);
1260                 case_brf(bord, _f, 32);
1261                 case_brr(bunord, _f);
1262                 case_brf(bunord, _f, 32);
1263                 case_rrr(add, _d);
1264                 case_rrf(add, _d, 64);
1265                 case_rrr(sub, _d);
1266                 case_rrf(sub, _d, 64);
1267                 case_rrf(rsb, _d, 64);
1268                 case_rrr(mul, _d);
1269                 case_rrf(mul, _d, 64);
1270                 case_rrr(div, _d);
1271                 case_rrf(div, _d, 64);
1272                 case_rr(abs, _d);
1273                 case_rr(neg, _d);
1274                 case_rr(sqrt, _d);
1275                 case_rr(ext, _d);
1276                 case_rr(ld, _d);
1277                 case_rw(ld, _d);
1278                 case_rrr(ldx, _d);
1279                 case_rrw(ldx, _d);
1280                 case_rr(st, _d);
1281                 case_wr(st, _d);
1282                 case_rrr(stx, _d);
1283                 case_wrr(stx, _d);
1284                 case_rr(mov, _d);
1285             case jit_code_movi_d:
1286                 assert(node->flag & jit_flag_data);
1287                 movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w);
1288                 break;
1289                 case_rr(ext, _f_d);
1290                 case_rrr(lt, _d);
1291                 case_rrf(lt, _d, 64);
1292                 case_rrr(le, _d);
1293                 case_rrf(le, _d, 64);
1294                 case_rrr(eq, _d);
1295                 case_rrf(eq, _d, 64);
1296                 case_rrr(ge, _d);
1297                 case_rrf(ge, _d, 64);
1298                 case_rrr(gt, _d);
1299                 case_rrf(gt, _d, 64);
1300                 case_rrr(ne, _d);
1301                 case_rrf(ne, _d, 64);
1302                 case_rrr(unlt, _d);
1303                 case_rrf(unlt, _d, 64);
1304                 case_rrr(unle, _d);
1305                 case_rrf(unle, _d, 64);
1306                 case_rrr(uneq, _d);
1307                 case_rrf(uneq, _d, 64);
1308                 case_rrr(unge, _d);
1309                 case_rrf(unge, _d, 64);
1310                 case_rrr(ungt, _d);
1311                 case_rrf(ungt, _d, 64);
1312                 case_rrr(ltgt, _d);
1313                 case_rrf(ltgt, _d, 64);
1314                 case_rrr(ord, _d);
1315                 case_rrf(ord, _d, 64);
1316                 case_rrr(unord, _d);
1317                 case_rrf(unord, _d, 64);
1318                 case_brr(blt, _d);
1319                 case_brf(blt, _d, 64);
1320                 case_brr(ble, _d);
1321                 case_brf(ble, _d, 64);
1322                 case_brr(beq, _d);
1323                 case_brf(beq, _d, 64);
1324                 case_brr(bge, _d);
1325                 case_brf(bge, _d, 64);
1326                 case_brr(bgt, _d);
1327                 case_brf(bgt, _d, 64);
1328                 case_brr(bne, _d);
1329                 case_brf(bne, _d, 64);
1330                 case_brr(bunlt, _d);
1331                 case_brf(bunlt, _d, 64);
1332                 case_brr(bunle, _d);
1333                 case_brf(bunle, _d, 64);
1334                 case_brr(buneq, _d);
1335                 case_brf(buneq, _d, 64);
1336                 case_brr(bunge, _d);
1337                 case_brf(bunge, _d, 64);
1338                 case_brr(bungt, _d);
1339                 case_brf(bungt, _d, 64);
1340                 case_brr(bltgt, _d);
1341                 case_brf(bltgt, _d, 64);
1342                 case_brr(bord, _d);
1343                 case_brf(bord, _d, 64);
1344                 case_brr(bunord, _d);
1345                 case_brf(bunord, _d, 64);
1346             case jit_code_jmpr:
1347                 jmpr(rn(node->u.w));
1348                 break;
1349             case jit_code_jmpi:
1350                 if (node->flag & jit_flag_node) {
1351                     temp = node->u.n;
1352                     assert(temp->code == jit_code_label ||
1353                            temp->code == jit_code_epilog);
1354                     if (temp->flag & jit_flag_patch)
1355                         jmpi(temp->u.w);
1356                     else {
1357                         word = jmpi_p(_jit->pc.w);
1358                         patch(word, node);
1359                     }
1360                 }
1361                 else
1362                     jmpi(node->u.w);
1363                 break;
1364             case jit_code_callr:
1365                 callr(rn(node->u.w));
1366                 break;
1367             case jit_code_calli:
1368                 if (node->flag & jit_flag_node) {
1369                     temp = node->u.n;
1370                     assert(temp->code == jit_code_label ||
1371                            temp->code == jit_code_epilog);
1372                     if (!(temp->flag & jit_flag_patch)) {
1373                         word = calli_p(temp->u.w);
1374                         patch(word, node);
1375                     }
1376                     else
1377                         calli(temp->u.w);
1378                 }
1379                 else
1380                     calli(node->u.w);
1381                 break;
1382             case jit_code_prolog:
1383                 _jitc->function = _jitc->functions.ptr + node->w.w;
1384                 undo.node = node;
1385                 undo.word = _jit->pc.w;
1386 #if DEVEL_DISASSEMBLER
1387                 undo.prevw = prevw;
1388 #endif
1389                 undo.patch_offset = _jitc->patches.offset;
1390             restart_function:
1391                 _jitc->again = 0;
1392                 prolog(node);
1393                 break;
1394             case jit_code_epilog:
1395                 assert(_jitc->function == _jitc->functions.ptr + node->w.w);
1396                 if (_jitc->again) {
1397                     for (temp = undo.node->next;
1398                          temp != node; temp = temp->next) {
1399                         if (temp->code == jit_code_label ||
1400                             temp->code == jit_code_epilog)
1401                             temp->flag &= ~jit_flag_patch;
1402                     }
1403                     temp->flag &= ~jit_flag_patch;
1404                     node = undo.node;
1405                     _jit->pc.w = undo.word;
1406 #if DEVEL_DISASSEMBLER
1407                     prevw = undo.prevw;
1408 #endif
1409                     _jitc->patches.offset = undo.patch_offset;
1410                     goto restart_function;
1411                 }
1412                 /* remember label is defined */
1413                 node->flag |= jit_flag_patch;
1414                 node->u.w = _jit->pc.w;
1415                 epilog(node);
1416                 _jitc->function = NULL;
1417                 break;
1418             case jit_code_va_start:
1419                 vastart(rn(node->u.w));
1420                 break;
1421             case jit_code_va_arg:
1422                 vaarg(rn(node->u.w), rn(node->v.w));
1423                 break;
1424             case jit_code_va_arg_d:
1425                 vaarg_d(rn(node->u.w), rn(node->v.w));
1426                 break;
1427             case jit_code_live:                 case jit_code_ellipsis:
1428             case jit_code_va_push:
1429             case jit_code_allocai:              case jit_code_allocar:
1430             case jit_code_arg:
1431             case jit_code_arg_f:                case jit_code_arg_d:
1432             case jit_code_va_end:
1433             case jit_code_ret:
1434             case jit_code_retr:                 case jit_code_reti:
1435             case jit_code_retr_f:               case jit_code_reti_f:
1436             case jit_code_retr_d:               case jit_code_reti_d:
1437             case jit_code_getarg_c:             case jit_code_getarg_uc:
1438             case jit_code_getarg_s:             case jit_code_getarg_us:
1439             case jit_code_getarg_i:             case jit_code_getarg_ui:
1440             case jit_code_getarg_l:
1441             case jit_code_getarg_f:             case jit_code_getarg_d:
1442             case jit_code_putargr:              case jit_code_putargi:
1443             case jit_code_putargr_f:            case jit_code_putargi_f:
1444             case jit_code_putargr_d:            case jit_code_putargi_d:
1445             case jit_code_pushargr:             case jit_code_pushargi:
1446             case jit_code_pushargr_f:           case jit_code_pushargi_f:
1447             case jit_code_pushargr_d:           case jit_code_pushargi_d:
1448             case jit_code_retval_c:             case jit_code_retval_uc:
1449             case jit_code_retval_s:             case jit_code_retval_us:
1450             case jit_code_retval_i:
1451             case jit_code_retval_ui:            case jit_code_retval_l:
1452             case jit_code_retval_f:             case jit_code_retval_d:
1453             case jit_code_prepare:
1454             case jit_code_finishr:              case jit_code_finishi:
1455                 break;
1456             default:
1457                 abort();
1458         }
1459         if (jit_carry != _NOREG) {
1460             switch (node->code) {
1461                 case jit_code_note:
1462                 case jit_code_addcr:            case jit_code_addci:
1463                 case jit_code_addxr:            case jit_code_addxi:
1464                 case jit_code_subcr:            case jit_code_subci:
1465                 case jit_code_subxr:            case jit_code_subxi:
1466                     break;
1467                 default:
1468                     jit_unget_reg(jit_carry);
1469                     jit_carry = _NOREG;
1470                     break;
1471             }
1472         }
1473         jit_regarg_clr(node, value);
1474         assert(_jitc->regarg == 0 ||
1475                (jit_carry != _NOREG && _jitc->regarg == (1 << jit_carry)));
1476         assert(_jitc->synth == 0);
1477         /* update register live state */
1478         jit_reglive(node);
1479     }
1480 #undef case_brf
1481 #undef case_brw
1482 #undef case_brr
1483 #undef case_wrr
1484 #undef case_rrrw
1485 #undef case_rrrr
1486 #undef case_rrf
1487 #undef case_rrw
1488 #undef case_rrr
1489 #undef case_wr
1490 #undef case_rw
1491 #undef case_rr
1492     for (offset = 0; offset < _jitc->patches.offset; offset++) {
1493         node = _jitc->patches.ptr[offset].node;
1494         word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w;
1495         patch_at(_jitc->patches.ptr[offset].inst, word);
1496     }
1497
1498     jit_flush(_jit->code.ptr, _jit->pc.uc);
1499
1500     return (_jit->code.ptr);
1501 }
1502
1503 #define CODE                            1
1504 #  include "jit_alpha-cpu.c"
1505 #  include "jit_alpha-fpu.c"
1506 #undef CODE
1507
1508 void
1509 jit_flush(void *fptr, void *tptr)
1510 {
1511 }
1512
1513 void
1514 _emit_ldxi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
1515 {
1516     ldxi(rn(r0), rn(r1), i0);
1517 }
1518
1519 void
1520 _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1)
1521 {
1522     stxi(i0, rn(r0), rn(r1));
1523 }
1524
1525 void
1526 _emit_ldxi_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
1527 {
1528     ldxi_d(rn(r0), rn(r1), i0);
1529 }
1530
1531 void
1532 _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1)
1533 {
1534     stxi_d(i0, rn(r0), rn(r1));
1535 }
1536
1537 static void
1538 _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node)
1539 {
1540     jit_int32_t          flag;
1541
1542     assert(node->flag & jit_flag_node);
1543     if (node->code == jit_code_movi)
1544         flag = node->v.n->flag;
1545     else
1546         flag = node->u.n->flag;
1547      assert(!(flag & jit_flag_patch));
1548     if (_jitc->patches.offset >= _jitc->patches.length) {
1549         jit_realloc((jit_pointer_t *)&_jitc->patches.ptr,
1550                     _jitc->patches.length * sizeof(jit_patch_t),
1551                     (_jitc->patches.length + 1024) * sizeof(jit_patch_t));
1552         _jitc->patches.length += 1024;
1553     }
1554     _jitc->patches.ptr[_jitc->patches.offset].inst = instr;
1555     _jitc->patches.ptr[_jitc->patches.offset].node = node;
1556     ++_jitc->patches.offset;
1557 }