deps/lightning/lib/jit_ia64.c

   1 /*
   2  * Copyright (C) 2013-2019  Free Software Foundation, Inc.
   3  *
   4  * This file is part of GNU lightning.
   5  *
   6  * GNU lightning is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published
   8  * by the Free Software Foundation; either version 3, or (at your option)
   9  * any later version.
  10  *
  11  * GNU lightning is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  14  * License for more details.
  15  *
  16  * Authors:
  17  *      Paulo Cesar Pereira de Andrade
  18  */
  19
  20 #include <lightning.h>
  21 #include <lightning/jit_private.h>
  22
  23 #define jit_arg_reg_p(i)                ((i) >= 0 && (i) < 8)
  24 #if __BYTE_ORDER == __LITTLE_ENDIAN
  25 #  define C_DISP                        0
  26 #  define S_DISP                        0
  27 #  define I_DISP                        0
  28 #  define F_DISP                        0
  29 #else
  30 #  define C_DISP                        8 - sizeof(jit_int8_t)
  31 #  define S_DISP                        8 - sizeof(jit_int16_t)
  32 #  define I_DISP                        8 - sizeof(jit_int32_t)
  33 #  define F_DISP                        8 - sizeof(jit_float32_t)
  34 #endif
  35
  36 /*
  37  * Types
  38  */
  39 typedef jit_pointer_t jit_va_list_t;
  40
  41 /*
  42  * Prototypes
  43  */
  44 #define patch(instr, node)              _patch(_jit, instr, node)
  45 static void _patch(jit_state_t*,jit_word_t,jit_node_t*);
  46
  47 #if defined(__GNUC__)
  48 /* libgcc */
  49 extern void __clear_cache(void *, void *);
  50 #endif
  51
  52 #define PROTO                           1
  53 #  include "jit_ia64-cpu.c"
  54 #  include "jit_ia64-fpu.c"
  55 #undef PROTO
  56
  57 /*
  58  * Initialization
  59  */
  60 jit_register_t          _rvs[] = {
  61     /* Always 0 */
  62     { 0,                 "r0"  },
  63     /* Global Pointer */
  64     { rc(sav)|1,         "r1"  },
  65     /* Used when a register cannot be allocated */
  66     { 2,                 "r2"  },
  67     /* First scratch register */
  68     { rc(gpr)|3,         "r3"  },
  69     /* Use r4 as lightning fp register */
  70     { rc(sav)|4,         "r4"  },
  71     /* Do not touch callee save registers not automatically spill/reloaded */
  72     { rc(sav)|5,         "r5"  },       { rc(sav)|6,            "r6"  },
  73     { rc(sav)|7,         "r7"  },
  74     /* Do not touch return register for the sake of simplicity, besides
  75      * having JIT_R0 being the same as JIT_RET usually an optimization */
  76     { 8,                 "r8"  },
  77     /* Return registers, use as temporaries */
  78     { rc(gpr)|9,         "r9"  },
  79     { rc(gpr)|10,        "r10" },       { rc(gpr)|11,           "r11" },
  80     /* Stack pointer */
  81     { rc(sav)|12,        "r12" },
  82     /* Thread pointer */
  83     { rc(sav)|13,        "r13" },
  84     /* (Usually) assembly temporaries */
  85     { rc(gpr)|31,        "r31" },       { rc(gpr)|30,           "r30" },
  86     { rc(gpr)|29,        "r29" },       { rc(gpr)|28,           "r28" },
  87     { rc(gpr)|27,        "r27" },       { rc(gpr)|26,           "r26" },
  88     { rc(gpr)|25,        "r25" },       { rc(gpr)|24,           "r24" },
  89     { rc(gpr)|23,        "r23" },       { rc(gpr)|22,           "r22" },
  90     { rc(gpr)|21,        "r21" },       { rc(gpr)|20,           "r20" },
  91     { rc(gpr)|19,        "r19" },       { rc(gpr)|18,           "r18" },
  92     { rc(gpr)|17,        "r17" },       { rc(gpr)|16,           "r16" },
  93     { rc(gpr)|15,        "r15" },       { rc(gpr)|14,           "r14" },
  94     /* Do not allow allocating r32-r41 as temoraries for the sake of
  95      * avoiding the need of extra complexity  in the non backend code */
  96     { rc(arg)|32,        "r32" },       { rc(arg)|33,           "r33" },
  97     { rc(arg)|34,        "r34" },       { rc(arg)|35,           "r35" },
  98     { rc(arg)|36,        "r36" },       { rc(arg)|37,           "r37" },
  99     { rc(arg)|38,        "r38" },       { rc(arg)|39,           "r39" },
 100     /* JIT_R0-JIT_V3 */
 101     { rc(gpr)|rc(sav)|40, "r40" },      { rc(gpr)|rc(sav)|41,   "r41" },
 102     { rc(gpr)|rc(sav)|42, "r42" },      { rc(gpr)|rc(sav)|43,   "r43" },
 103     { rc(gpr)|rc(sav)|44, "r44" },      { rc(gpr)|rc(sav)|45,   "r45" },
 104     { rc(gpr)|rc(sav)|46, "r46" },      { rc(gpr)|rc(sav)|47,   "r47" },
 105     /* Temporaries/locals */
 106     { rc(gpr)|rc(sav)|48, "r48" },      { rc(gpr)|rc(sav)|49,   "r49" },
 107     { rc(gpr)|rc(sav)|50, "r50" },      { rc(gpr)|rc(sav)|51,   "r51" },
 108     { rc(gpr)|rc(sav)|52, "r52" },      { rc(gpr)|rc(sav)|53,   "r53" },
 109     { rc(gpr)|rc(sav)|54, "r54" },      { rc(gpr)|rc(sav)|55,   "r55" },
 110     { rc(gpr)|rc(sav)|56, "r56" },      { rc(gpr)|rc(sav)|57,   "r57" },
 111     { rc(gpr)|rc(sav)|58, "r58" },      { rc(gpr)|rc(sav)|59,   "r59" },
 112     { rc(gpr)|rc(sav)|60, "r60" },      { rc(gpr)|rc(sav)|61,   "r61" },
 113     { rc(gpr)|rc(sav)|62, "r62" },      { rc(gpr)|rc(sav)|63,   "r63" },
 114     { rc(gpr)|rc(sav)|64, "r64" },      { rc(gpr)|rc(sav)|65,   "r65" },
 115     { rc(gpr)|rc(sav)|66, "r66" },      { rc(gpr)|rc(sav)|67,   "r67" },
 116     { rc(gpr)|rc(sav)|68, "r68" },      { rc(gpr)|rc(sav)|69,   "r69" },
 117     { rc(gpr)|rc(sav)|70, "r70" },      { rc(gpr)|rc(sav)|71,   "r71" },
 118     { rc(gpr)|rc(sav)|72, "r72" },      { rc(gpr)|rc(sav)|73,   "r73" },
 119     { rc(gpr)|rc(sav)|74, "r74" },      { rc(gpr)|rc(sav)|75,   "r75" },
 120     { rc(gpr)|rc(sav)|76, "r76" },      { rc(gpr)|rc(sav)|77,   "r77" },
 121     { rc(gpr)|rc(sav)|78, "r78" },      { rc(gpr)|rc(sav)|79,   "r79" },
 122     { rc(gpr)|rc(sav)|80, "r80" },      { rc(gpr)|rc(sav)|81,   "r81" },
 123     { rc(gpr)|rc(sav)|82, "r82" },      { rc(gpr)|rc(sav)|83,   "r83" },
 124     { rc(gpr)|rc(sav)|84, "r84" },      { rc(gpr)|rc(sav)|85,   "r85" },
 125     { rc(gpr)|rc(sav)|86, "r86" },      { rc(gpr)|rc(sav)|87,   "r87" },
 126     { rc(gpr)|rc(sav)|88, "r88" },      { rc(gpr)|rc(sav)|89,   "r89" },
 127     { rc(gpr)|rc(sav)|90, "r90" },      { rc(gpr)|rc(sav)|91,   "r91" },
 128     { rc(gpr)|rc(sav)|92, "r92" },      { rc(gpr)|rc(sav)|93,   "r93" },
 129     { rc(gpr)|rc(sav)|94, "r94" },      { rc(gpr)|rc(sav)|95,   "r95" },
 130     { rc(gpr)|rc(sav)|96, "r96" },      { rc(gpr)|rc(sav)|97,   "r97" },
 131     { rc(gpr)|rc(sav)|98, "r98" },      { rc(gpr)|rc(sav)|99,   "r99" },
 132     { rc(gpr)|rc(sav)|100,"r100"},      { rc(gpr)|rc(sav)|101,  "r101"},
 133     { rc(gpr)|rc(sav)|102,"r102"},      { rc(gpr)|rc(sav)|103,  "r103"},
 134     { rc(gpr)|rc(sav)|104,"r104"},      { rc(gpr)|rc(sav)|105,  "r105"},
 135     { rc(gpr)|rc(sav)|106,"r106"},      { rc(gpr)|rc(sav)|107,  "r107"},
 136     { rc(gpr)|rc(sav)|108,"r108"},      { rc(gpr)|rc(sav)|109,  "r109"},
 137     { rc(gpr)|rc(sav)|110,"r110"},      { rc(gpr)|rc(sav)|111,  "r111"},
 138     { rc(gpr)|rc(sav)|112,"r112"},      { rc(gpr)|rc(sav)|113,  "r113"},
 139     { rc(gpr)|rc(sav)|114,"r114"},
 140     /* Do not enable these because no matter what, want 13 free registers,
 141      * 5 for prolog and epilog and 8 for outgoing arguments */
 142     { 115,               "r115"},
 143     { 116,               "r116"},       { 117,                  "r117"},
 144     { 118,               "r118"},       { 119,                  "r119"},
 145     { 120,               "r120"},       { 121,                  "r121"},
 146     { 122,               "r122"},       { 123,                  "r123"},
 147     { 124,               "r124"},       { 125,                  "r125"},
 148     { 126,               "r126"},       { 127,                  "r127"},
 149     /* Always 0.0 */
 150     { 0,                 "f0"  },
 151     /* Always 1.0 */
 152     { 1,                 "f1"  },
 153     /* Do not touch callee save registers not automatically spill/reloaded */
 154     { rc(sav)|2,         "f2"  },       { rc(sav)|3,            "f3"  },
 155     { rc(sav)|4,         "f4"  },       { rc(sav)|5,            "f5"  },
 156     /* Scratch */
 157     { rc(fpr)|6,         "f6"  },       { rc(fpr)|7,            "f7"  },
 158     /* Do not allocate for the sake of simplification */
 159     { rc(arg)|8,         "f8"  },
 160     /* Scratch - Argument/return registers */
 161     { rc(arg)|9,         "f9"  },
 162     { rc(arg)|10,        "f10" },       { rc(arg)|11,           "f11" },
 163     { rc(arg)|12,        "f12" },       { rc(arg)|13,           "f13" },
 164     { rc(arg)|14,        "f14" },       { rc(arg)|15,           "f15" },
 165     /* Do not touch callee save registers not automatically spill/reloaded */
 166     { rc(sav)|16,        "f16" },       { rc(sav)|17,           "f17" },
 167     { rc(sav)|18,        "f18" },       { rc(sav)|19,           "f19" },
 168     { rc(sav)|20,        "f20" },       { rc(sav)|21,           "f21" },
 169     { rc(sav)|22,        "f22" },       { rc(sav)|23,           "f23" },
 170     { rc(sav)|24,        "f24" },       { rc(sav)|25,           "f25" },
 171     { rc(sav)|26,        "f26" },       { rc(sav)|27,           "f27" },
 172     { rc(sav)|28,        "f28" },       { rc(sav)|29,           "f29" },
 173     { rc(sav)|30,        "f30" },       { rc(sav)|31,           "f31" },
 174     /* Scratch */
 175     { rc(fpr)|32,        "f32" },       { rc(fpr)|33,           "f33" },
 176     { rc(fpr)|34,        "f34" },       { rc(fpr)|35,           "f35" },
 177     { rc(fpr)|36,        "f36" },       { rc(fpr)|37,           "f37" },
 178     { rc(fpr)|38,        "f38" },       { rc(fpr)|39,           "f39" },
 179     { rc(fpr)|40,        "f40" },       { rc(fpr)|41,           "f41" },
 180     { rc(fpr)|42,        "f42" },       { rc(fpr)|43,           "f43" },
 181     { rc(fpr)|44,        "f44" },       { rc(fpr)|45,           "f45" },
 182     { rc(fpr)|46,        "f46" },       { rc(fpr)|47,           "f47" },
 183     { rc(fpr)|48,        "f48" },       { rc(fpr)|49,           "f49" },
 184     { rc(fpr)|50,        "f50" },       { rc(fpr)|51,           "f51" },
 185     { rc(fpr)|52,        "f52" },       { rc(fpr)|53,           "f53" },
 186     { rc(fpr)|54,        "f54" },       { rc(fpr)|55,           "f55" },
 187     { rc(fpr)|56,        "f56" },       { rc(fpr)|57,           "f57" },
 188     { rc(fpr)|58,        "f58" },       { rc(fpr)|59,           "f59" },
 189     { rc(fpr)|60,        "f60" },       { rc(fpr)|61,           "f61" },
 190     { rc(fpr)|62,        "f62" },       { rc(fpr)|63,           "f63" },
 191     { rc(fpr)|64,        "f64" },       { rc(fpr)|65,           "f65" },
 192     { rc(fpr)|66,        "f66" },       { rc(fpr)|67,           "f67" },
 193     { rc(fpr)|68,        "f68" },       { rc(fpr)|69,           "f69" },
 194     { rc(fpr)|70,        "f70" },       { rc(fpr)|71,           "f71" },
 195     { rc(fpr)|72,        "f72" },       { rc(fpr)|73,           "f73" },
 196     { rc(fpr)|74,        "f74" },       { rc(fpr)|75,           "f75" },
 197     { rc(fpr)|76,        "f76" },       { rc(fpr)|77,           "f77" },
 198     { rc(fpr)|78,        "f78" },       { rc(fpr)|79,           "f79" },
 199     { rc(fpr)|80,        "f80" },       { rc(fpr)|81,           "f81" },
 200     { rc(fpr)|82,        "f82" },       { rc(fpr)|83,           "f83" },
 201     { rc(fpr)|84,        "f84" },       { rc(fpr)|85,           "f85" },
 202     { rc(fpr)|86,        "f86" },       { rc(fpr)|87,           "f87" },
 203     { rc(fpr)|88,        "f88" },       { rc(fpr)|89,           "f89" },
 204     { rc(fpr)|90,        "f90" },       { rc(fpr)|91,           "f91" },
 205     { rc(fpr)|92,        "f92" },       { rc(fpr)|93,           "f93" },
 206     { rc(fpr)|94,        "f94" },       { rc(fpr)|95,           "f95" },
 207     { rc(fpr)|96,        "f96" },       { rc(fpr)|97,           "f97" },
 208     { rc(fpr)|98,        "f98" },       { rc(fpr)|99,           "f99" },
 209     { rc(fpr)|100,       "f100"},       { rc(fpr)|101,          "f101"},
 210     { rc(fpr)|102,       "f102"},       { rc(fpr)|103,          "f103"},
 211     { rc(fpr)|104,       "f104"},       { rc(fpr)|105,          "f105"},
 212     { rc(fpr)|106,       "f106"},       { rc(fpr)|107,          "f107"},
 213     { rc(fpr)|108,       "f108"},       { rc(fpr)|109,          "f109"},
 214     { rc(fpr)|110,       "f110"},       { rc(fpr)|111,          "f111"},
 215     { rc(fpr)|112,       "f112"},       { rc(fpr)|113,          "f113"},
 216     { rc(fpr)|114,       "f114"},       { rc(fpr)|115,          "f115"},
 217     { rc(fpr)|116,       "f116"},       { rc(fpr)|117,          "f117"},
 218     { rc(fpr)|118,       "f118"},       { rc(fpr)|119,          "f119"},
 219 #if 0
 220     /* commented to fit a jit_regset_t in 256 bits, so that the fake
 221      * O0-O7 registers are easily patched when an argument is pushed */
 222     { rc(fpr)|120,       "f120"},       { rc(fpr)|121,          "f121"},
 223     { rc(fpr)|122,       "f122"},       { rc(fpr)|123,          "f123"},
 224     { rc(fpr)|124,       "f124"},       { rc(fpr)|125,          "f125"},
 225     { rc(fpr)|126,       "f126"},       { rc(fpr)|127,          "f127"},
 226 #endif
 227     /* Fake registers to patch in movr and movi arguments */
 228     { rc(arg)|120,       "o0"  },       { rc(arg)|121,          "o1"  },
 229     { rc(arg)|122,       "o2"  },       { rc(arg)|123,          "o3"  },
 230     { rc(arg)|124,       "o4"  },       { rc(arg)|125,          "o5"  },
 231     { rc(arg)|126,       "o6"  },       { rc(arg)|127,          "o7"  },
 232     { _NOREG,            "<none>" },
 233 };
 234
 235 /*
 236  * Implementation
 237  */
 238 void
 239 jit_get_cpu(void)
 240 {
 241 }
 242
 243 void
 244 _jit_init(jit_state_t *_jit)
 245 {
 246     _jitc->reglen = jit_size(_rvs) - 1;
 247     jit_regset_new(&_jitc->regs);
 248     jit_carry = _NOREG;
 249 }
 250
 251 void
 252 _jit_prolog(jit_state_t *_jit)
 253 {
 254     jit_int32_t         offset;
 255
 256     if (_jitc->function)
 257         jit_epilog();
 258     assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0);
 259     jit_regset_set_ui(&_jitc->regsav, 0);
 260     offset = _jitc->functions.offset;
 261     if (offset >= _jitc->functions.length) {
 262         jit_realloc((jit_pointer_t *)&_jitc->functions.ptr,
 263                     _jitc->functions.length * sizeof(jit_function_t),
 264                     (_jitc->functions.length + 16) * sizeof(jit_function_t));
 265         _jitc->functions.length += 16;
 266     }
 267     _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++;
 268     /* params_offset << 1, once for ours arguments, once for arguments
 269      * to any called function; required because offsets are computed
 270      * as JIT_FP displacement */
 271     _jitc->function->self.size = stack_framesize + (params_offset << 1);
 272     _jitc->function->self.argi = _jitc->function->self.argf =
 273         _jitc->function->self.aoff = _jitc->function->self.alen = 0;
 274     _jitc->function->self.call = jit_call_default;
 275     jit_alloc((jit_pointer_t *)&_jitc->function->regoff,
 276               _jitc->reglen * sizeof(jit_int32_t));
 277
 278     /* _no_link here does not mean the jit_link() call can be removed
 279      * by rewriting as:
 280      * _jitc->function->prolog = jit_new_node(jit_code_prolog);
 281      */
 282     _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog);
 283     jit_link(_jitc->function->prolog);
 284     _jitc->function->prolog->w.w = offset;
 285     _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog);
 286     /*  u:      label value
 287      *  v:      offset in blocks vector
 288      *  w:      offset in functions vector
 289      */
 290     _jitc->function->epilog->w.w = offset;
 291
 292     jit_regset_new(&_jitc->function->regset);
 293 }
 294
 295 jit_int32_t
 296 _jit_allocai(jit_state_t *_jit, jit_int32_t length)
 297 {
 298     assert(_jitc->function);
 299     switch (length) {
 300         case 0: case 1:                                         break;
 301         case 2:         _jitc->function->self.aoff &= -2;       break;
 302         case 3: case 4: _jitc->function->self.aoff &= -4;       break;
 303         default:        _jitc->function->self.aoff &= -8;       break;
 304     }
 305     _jitc->function->self.aoff -= length;
 306     if (!_jitc->realize) {
 307         jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length);
 308         jit_dec_synth();
 309     }
 310     return (_jitc->function->self.aoff);
 311 }
 312
 313 void
 314 _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v)
 315 {
 316     jit_int32_t          reg;
 317     assert(_jitc->function);
 318     jit_inc_synth_ww(allocar, u, v);
 319     if (!_jitc->function->allocar) {
 320         _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t));
 321         _jitc->function->allocar = 1;
 322     }
 323     reg = jit_get_reg(jit_class_gpr);
 324     jit_negr(reg, v);
 325     jit_andi(reg, reg, -16);
 326     jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff);
 327     jit_addr(u, u, reg);
 328     jit_addr(JIT_SP, JIT_SP, reg);
 329     jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u);
 330     jit_unget_reg(reg);
 331     jit_dec_synth();
 332 }
 333
 334 void
 335 _jit_ret(jit_state_t *_jit)
 336 {
 337     jit_node_t          *instr;
 338     assert(_jitc->function);
 339     jit_inc_synth(ret);
 340     /* jump to epilog */
 341     instr = jit_jmpi();
 342     jit_patch_at(instr, _jitc->function->epilog);
 343     jit_dec_synth();
 344 }
 345
 346 void
 347 _jit_retr(jit_state_t *_jit, jit_int32_t u)
 348 {
 349     jit_inc_synth_w(retr, u);
 350     jit_movr(JIT_RET, u);
 351     jit_ret();
 352     jit_dec_synth();
 353 }
 354
 355 void
 356 _jit_reti(jit_state_t *_jit, jit_word_t u)
 357 {
 358     jit_inc_synth_w(reti, u);
 359     jit_movi(JIT_RET, u);
 360     jit_ret();
 361     jit_dec_synth();
 362 }
 363
 364 void
 365 _jit_retr_f(jit_state_t *_jit, jit_int32_t u)
 366 {
 367     jit_inc_synth_w(retr_f, u);
 368     jit_movr_f(JIT_FRET, u);
 369     jit_ret();
 370     jit_dec_synth();
 371 }
 372
 373 void
 374 _jit_reti_f(jit_state_t *_jit, jit_float32_t u)
 375 {
 376     jit_inc_synth_f(reti_f, u);
 377     jit_movi_f(JIT_FRET, u);
 378     jit_ret();
 379     jit_dec_synth();
 380 }
 381
 382 void
 383 _jit_retr_d(jit_state_t *_jit, jit_int32_t u)
 384 {
 385     jit_inc_synth_w(retr_d, u);
 386     jit_movr_d(JIT_FRET, u);
 387     jit_ret();
 388     jit_dec_synth();
 389 }
 390
 391 void
 392 _jit_reti_d(jit_state_t *_jit, jit_float64_t u)
 393 {
 394     jit_inc_synth_d(reti_d, u);
 395     jit_movi_d(JIT_FRET, u);
 396     jit_ret();
 397     jit_dec_synth();
 398 }
 399
 400 void
 401 _jit_epilog(jit_state_t *_jit)
 402 {
 403     assert(_jitc->function);
 404     assert(_jitc->function->epilog->next == NULL);
 405     jit_link(_jitc->function->epilog);
 406     _jitc->function = NULL;
 407 }
 408
 409 jit_bool_t
 410 _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u)
 411 {
 412     assert(u->code == jit_code_arg ||
 413            u->code == jit_code_arg_f || u->code == jit_code_arg_d);
 414     return (jit_arg_reg_p(u->u.w));
 415 }
 416
 417 void
 418 _jit_ellipsis(jit_state_t *_jit)
 419 {
 420     jit_inc_synth(ellipsis);
 421     if (_jitc->prepare) {
 422         assert(!(_jitc->function->call.call & jit_call_varargs));
 423         _jitc->function->call.call |= jit_call_varargs;
 424         jit_link_prepare();
 425     }
 426     else {
 427         assert(!(_jitc->function->self.call & jit_call_varargs));
 428         _jitc->function->self.call |= jit_call_varargs;
 429         _jitc->function->vagp = _jitc->function->self.argi;
 430         jit_link_prolog();
 431     }
 432     jit_dec_synth();
 433 }
 434
 435 void
 436 _jit_va_push(jit_state_t *_jit, jit_int32_t u)
 437 {
 438     jit_inc_synth_w(va_push, u);
 439     jit_pushargr(u);
 440     jit_dec_synth();
 441 }
 442
 443 jit_node_t *
 444 _jit_arg(jit_state_t *_jit)
 445 {
 446     jit_node_t          *node;
 447     jit_int32_t          offset;
 448     assert(_jitc->function);
 449     if (jit_arg_reg_p(_jitc->function->self.argi))
 450         offset = _jitc->function->self.argi++;
 451     else {
 452         offset = _jitc->function->self.size;
 453         _jitc->function->self.size += sizeof(jit_word_t);
 454     }
 455     node = jit_new_node_ww(jit_code_arg, offset,
 456                            ++_jitc->function->self.argn);
 457     jit_link_prolog();
 458     return (node);
 459 }
 460
 461 jit_node_t *
 462 _jit_arg_f(jit_state_t *_jit)
 463 {
 464     jit_node_t          *node;
 465     jit_int32_t          offset;
 466     assert(_jitc->function);
 467     if (jit_arg_reg_p(_jitc->function->self.argi)) {
 468         if (!(_jitc->function->self.call & jit_call_varargs))
 469             offset = 8 + _jitc->function->self.argf++;
 470         else
 471             offset = _jitc->function->self.argi;
 472         ++_jitc->function->self.argi;
 473     }
 474    else {
 475         offset = _jitc->function->self.size;
 476         _jitc->function->self.size += sizeof(jit_word_t);
 477     }
 478     node = jit_new_node_ww(jit_code_arg_f, offset,
 479                            ++_jitc->function->self.argn);
 480     jit_link_prolog();
 481     return (node);
 482 }
 483
 484 jit_node_t *
 485 _jit_arg_d(jit_state_t *_jit)
 486 {
 487     jit_node_t          *node;
 488     jit_int32_t          offset;
 489     assert(_jitc->function);
 490     if (jit_arg_reg_p(_jitc->function->self.argi)) {
 491         if (!(_jitc->function->self.call & jit_call_varargs))
 492             offset = 8 + _jitc->function->self.argf++;
 493         else
 494             offset = _jitc->function->self.argi;
 495         ++_jitc->function->self.argi;
 496     }
 497    else {
 498         offset = _jitc->function->self.size;
 499         _jitc->function->self.size += sizeof(jit_float64_t);
 500     }
 501     node = jit_new_node_ww(jit_code_arg_d, offset,
 502                            ++_jitc->function->self.argn);
 503     jit_link_prolog();
 504     return (node);
 505 }
 506
 507 void
 508 _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 509 {
 510     assert(v->code == jit_code_arg);
 511     jit_inc_synth_wp(getarg_c, u, v);
 512     if (jit_arg_reg_p(v->u.w))
 513         jit_extr_c(u, _R32 + v->u.w);
 514     else
 515         jit_ldxi_c(u, JIT_FP, v->u.w + C_DISP);
 516     jit_dec_synth();
 517 }
 518
 519 void
 520 _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 521 {
 522     assert(v->code == jit_code_arg);
 523     jit_inc_synth_wp(getarg_uc, u, v);
 524     if (jit_arg_reg_p(v->u.w))
 525         jit_extr_uc(u, _R32 + v->u.w);
 526     else
 527         jit_ldxi_uc(u, JIT_FP, v->u.w + C_DISP);
 528     jit_dec_synth();
 529 }
 530
 531 void
 532 _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 533 {
 534     assert(v->code == jit_code_arg);
 535     jit_inc_synth_wp(getarg_s, u, v);
 536     if (jit_arg_reg_p(v->u.w))
 537         jit_extr_s(u, _R32 + v->u.w);
 538     else
 539         jit_ldxi_s(u, JIT_FP, v->u.w + S_DISP);
 540     jit_dec_synth();
 541 }
 542
 543 void
 544 _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 545 {
 546     assert(v->code == jit_code_arg);
 547     jit_inc_synth_wp(getarg_us, u, v);
 548     if (jit_arg_reg_p(v->u.w))
 549         jit_extr_us(u, _R32 + v->u.w);
 550     else
 551         jit_ldxi_us(u, JIT_FP, v->u.w + S_DISP);
 552     jit_dec_synth();
 553 }
 554
 555 void
 556 _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 557 {
 558     assert(v->code == jit_code_arg);
 559     jit_inc_synth_wp(getarg_i, u, v);
 560     if (jit_arg_reg_p(v->u.w))
 561         jit_extr_i(u, _R32 + v->u.w);
 562     else
 563         jit_ldxi_i(u, JIT_FP, v->u.w + I_DISP);
 564     jit_dec_synth();
 565 }
 566
 567 void
 568 _jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 569 {
 570     assert(v->code == jit_code_arg);
 571     jit_inc_synth_wp(getarg_ui, u, v);
 572     if (jit_arg_reg_p(v->u.w))
 573         jit_extr_ui(u, _R32 + v->u.w);
 574     else
 575         jit_ldxi_ui(u, JIT_FP, v->u.w + I_DISP);
 576     jit_dec_synth();
 577 }
 578
 579 void
 580 _jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 581 {
 582     assert(v->code == jit_code_arg);
 583     jit_inc_synth_wp(getarg_l, u, v);
 584     if (jit_arg_reg_p(v->u.w))
 585         jit_movr(u, _R32 + v->u.w);
 586     else
 587         jit_ldxi(u, JIT_FP, v->u.w);
 588     jit_dec_synth();
 589 }
 590
 591 void
 592 _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 593 {
 594     assert(v->code == jit_code_arg);
 595     jit_inc_synth_wp(putargr, u, v);
 596     if (jit_arg_reg_p(v->u.w))
 597         jit_movr(_R32 + v->u.w, u);
 598     else
 599         jit_stxi(v->u.w, JIT_FP, u);
 600     jit_dec_synth();
 601 }
 602
 603 void
 604 _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v)
 605 {
 606     jit_int32_t         regno;
 607     assert(v->code == jit_code_arg);
 608     jit_inc_synth_wp(putargi, u, v);
 609     if (jit_arg_reg_p(v->u.w))
 610         jit_movi(_R32 + v->u.w, u);
 611     else {
 612         regno = jit_get_reg(jit_class_gpr);
 613         jit_movi(regno, u);
 614         jit_stxi(v->u.w, JIT_FP, regno);
 615         jit_unget_reg(regno);
 616     }
 617     jit_dec_synth();
 618 }
 619
 620 void
 621 _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 622 {
 623     assert(v->code == jit_code_arg_f);
 624     jit_inc_synth_wp(getarg_f, u, v);
 625     if (jit_arg_reg_p(v->u.w))
 626         jit_movr_w_f(u, _OUT0 + v->u.w);
 627     else if (jit_arg_reg_p(v->u.w - 8))
 628         jit_movr_f(u, _F8 + (v->u.w - 8));
 629     else
 630         jit_ldxi_f(u, JIT_FP, v->u.w + F_DISP);
 631     jit_dec_synth();
 632 }
 633
 634 void
 635 _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 636 {
 637     assert(v->code == jit_code_arg_f);
 638     jit_inc_synth_wp(putargr_f, u, v);
 639     if (jit_arg_reg_p(v->u.w))
 640         jit_movr_f_w(_OUT0 + v->u.w, u);
 641     else if (jit_arg_reg_p(v->u.w - 8))
 642         jit_movr_f(_F8 + (v->u.w - 8), u);
 643     else
 644         jit_stxi_f(v->u.w, JIT_FP, u + F_DISP);
 645     jit_dec_synth();
 646 }
 647
 648 void
 649 _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v)
 650 {
 651     jit_int32_t         regno;
 652     assert(v->code == jit_code_arg_f);
 653     jit_inc_synth_fp(putargi_f, u, v);
 654     if (jit_arg_reg_p(v->u.w))
 655         jit_movi_f_w(_OUT0 + v->u.w, u);
 656     else if (jit_arg_reg_p(v->u.w - 8))
 657         jit_movi_f(_F8 + (v->u.w - 8), u);
 658     else {
 659         regno = jit_get_reg(jit_class_fpr);
 660         jit_movi_f(regno, u);
 661         jit_stxi_f(v->u.w, JIT_FP, regno + F_DISP);
 662         jit_unget_reg(regno);
 663     }
 664     jit_dec_synth();
 665 }
 666
 667 void
 668 _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 669 {
 670     assert(v->code == jit_code_arg_d);
 671     jit_inc_synth_wp(getarg_d, u, v);
 672     if (jit_arg_reg_p(v->u.w))
 673         jit_movr_w_d(u, _OUT0 + v->u.w);
 674     else if (jit_arg_reg_p(v->u.w - 8))
 675         jit_movr_d(u, _F8 + (v->u.w - 8));
 676     else
 677         jit_ldxi_d(u, JIT_FP, v->u.w);
 678     jit_dec_synth();
 679 }
 680
 681 void
 682 _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
 683 {
 684     assert(v->code == jit_code_arg_d);
 685     jit_inc_synth_wp(putargr_d, u, v);
 686     if (jit_arg_reg_p(v->u.w))
 687         jit_movr_d_w(_OUT0 + v->u.w, u);
 688     else if (jit_arg_reg_p(v->u.w - 8))
 689         jit_movr_d(_F8 + (v->u.w - 8), u);
 690     else
 691         jit_stxi_d(v->u.w, JIT_FP, u);
 692     jit_dec_synth();
 693 }
 694
 695 void
 696 _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v)
 697 {
 698     jit_int32_t         regno;
 699     assert(v->code == jit_code_arg_d);
 700     jit_inc_synth_dp(putargi_d, u, v);
 701     if (jit_arg_reg_p(v->u.w))
 702         jit_movi_d_w(_OUT0 + v->u.w, u);
 703     else if (jit_arg_reg_p(v->u.w - 8))
 704         jit_movi_d(_F8 + (v->u.w - 8), u);
 705     else {
 706         regno = jit_get_reg(jit_class_fpr);
 707         jit_movi_d(regno, u);
 708         jit_stxi_d(v->u.w, JIT_FP, regno);
 709         jit_unget_reg(regno);
 710     }
 711     jit_dec_synth();
 712 }
 713
 714 void
 715 _jit_pushargr(jit_state_t *_jit, jit_int32_t u)
 716 {
 717     assert(_jitc->function);
 718     jit_inc_synth_w(pushargr, u);
 719     jit_link_prepare();
 720     if (jit_arg_reg_p(_jitc->function->call.argi)) {
 721         jit_movr(_OUT0 + _jitc->function->call.argi, u);
 722         ++_jitc->function->call.argi;
 723     }
 724     else {
 725         jit_stxi(_jitc->function->call.size + params_offset, JIT_SP, u);
 726         _jitc->function->call.size += sizeof(jit_word_t);
 727     }
 728     jit_dec_synth();
 729 }
 730
 731 void
 732 _jit_pushargi(jit_state_t *_jit, jit_word_t u)
 733 {
 734     jit_int32_t          regno;
 735     assert(_jitc->function);
 736     jit_inc_synth_w(pushargi, u);
 737     jit_link_prepare();
 738     if (jit_arg_reg_p(_jitc->function->call.argi)) {
 739         jit_movi(_OUT0 + _jitc->function->call.argi, u);
 740         ++_jitc->function->call.argi;
 741     }
 742     else {
 743         regno = jit_get_reg(jit_class_gpr);
 744         jit_movi(regno, u);
 745         jit_stxi(_jitc->function->call.size + params_offset, JIT_SP, regno);
 746         _jitc->function->call.size += sizeof(jit_word_t);
 747         jit_unget_reg(regno);
 748     }
 749     jit_dec_synth();
 750 }
 751
 752 void
 753 _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u)
 754 {
 755     assert(_jitc->function);
 756     jit_inc_synth_w(pushargr_f, u);
 757     jit_link_prepare();
 758     if (jit_arg_reg_p(_jitc->function->call.argi)) {
 759         if (!(_jitc->function->call.call & jit_call_varargs)) {
 760             jit_movr_f(_F8 + _jitc->function->call.argf, u);
 761             ++_jitc->function->call.argf;
 762         }
 763         else
 764             jit_movr_f_w(_OUT0 + _jitc->function->call.argi, u);
 765         ++_jitc->function->call.argi;
 766     }
 767     else {
 768         jit_stxi_f(_jitc->function->call.size + params_offset + F_DISP,
 769                    JIT_SP, u);
 770         _jitc->function->call.size += sizeof(jit_word_t);
 771     }
 772     jit_dec_synth();
 773 }
 774
 775 void
 776 _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u)
 777 {
 778     jit_int32_t          regno;
 779     assert(_jitc->function);
 780     jit_inc_synth_f(pushargi_f, u);
 781     jit_link_prepare();
 782     if (jit_arg_reg_p(_jitc->function->call.argi)) {
 783         if (!(_jitc->function->call.call & jit_call_varargs)) {
 784             jit_movi_f(_F8 + _jitc->function->call.argf, u);
 785             ++_jitc->function->call.argf;
 786         }
 787         else
 788             jit_movi_f_w(_OUT0 + _jitc->function->call.argi, u);
 789         ++_jitc->function->call.argi;
 790     }
 791     else {
 792         regno = jit_get_reg(jit_class_fpr);
 793         jit_movi_f(regno, u);
 794         jit_stxi_f(_jitc->function->call.size + params_offset + F_DISP,
 795                    JIT_SP, regno);
 796         _jitc->function->call.size += sizeof(jit_word_t);
 797         jit_unget_reg(regno);
 798     }
 799     jit_dec_synth();
 800 }
 801
 802 void
 803 _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u)
 804 {
 805     assert(_jitc->function);
 806     jit_inc_synth_w(pushargr_d, u);
 807     jit_link_prepare();
 808     if (jit_arg_reg_p(_jitc->function->call.argi)) {
 809         if (!(_jitc->function->call.call & jit_call_varargs)) {
 810             jit_movr_d(_F8 + _jitc->function->call.argf, u);
 811             ++_jitc->function->call.argf;
 812         }
 813         else
 814             jit_movr_d_w(_OUT0 + _jitc->function->call.argi, u);
 815         ++_jitc->function->call.argi;
 816     }
 817     else {
 818         jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, u);
 819         _jitc->function->call.size += sizeof(jit_float64_t);
 820     }
 821     jit_dec_synth();
 822 }
 823
 824 void
 825 _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u)
 826 {
 827     jit_int32_t          regno;
 828     assert(_jitc->function);
 829     jit_inc_synth_d(pushargi_d, u);
 830     jit_link_prepare();
 831     if (jit_arg_reg_p(_jitc->function->call.argi)) {
 832         if (!(_jitc->function->call.call & jit_call_varargs)) {
 833             jit_movi_d(_F8 + _jitc->function->call.argf, u);
 834             ++_jitc->function->call.argf;
 835         }
 836         else
 837             jit_movi_d_w(_OUT0 + _jitc->function->call.argi, u);
 838         ++_jitc->function->call.argi;
 839     }
 840     else {
 841         regno = jit_get_reg(jit_class_fpr);
 842         jit_movi_d(regno, u);
 843         jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, regno);
 844         _jitc->function->call.size += sizeof(jit_float64_t);
 845         jit_unget_reg(regno);
 846     }
 847     jit_dec_synth();
 848 }
 849
 850 jit_bool_t
 851 _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno)
 852 {
 853     /* Argument registers are allocated from the pool of unused registers */
 854     return (0);
 855 }
 856
 857 void
 858 _jit_finishr(jit_state_t *_jit, jit_int32_t r0)
 859 {
 860     jit_node_t          *call;
 861     assert(_jitc->function);
 862     jit_inc_synth_w(finishr, r0);
 863     if (_jitc->function->self.alen < _jitc->function->call.size)
 864         _jitc->function->self.alen = _jitc->function->call.size;
 865     call = jit_callr(r0);
 866     call->v.w = _jitc->function->call.argi;
 867     call->w.w = _jitc->function->call.argf;
 868     _jitc->function->call.argi = _jitc->function->call.argf =
 869         _jitc->function->call.size = 0;
 870     _jitc->prepare = 0;
 871     jit_dec_synth();
 872 }
 873
 874 jit_node_t *
 875 _jit_finishi(jit_state_t *_jit, jit_pointer_t i0)
 876 {
 877     jit_node_t          *node;
 878     assert(_jitc->function);
 879     jit_inc_synth_w(finishi, (jit_word_t)i0);
 880     if (_jitc->function->self.alen < _jitc->function->call.size)
 881         _jitc->function->self.alen = _jitc->function->call.size;
 882     node = jit_calli(i0);
 883     node->v.w = _jitc->function->call.argi;
 884     node->w.w = _jitc->function->call.argf;
 885     _jitc->function->call.argi = _jitc->function->call.argf =
 886         _jitc->function->call.size = 0;
 887     _jitc->prepare = 0;
 888     jit_dec_synth();
 889     return (node);
 890 }
 891
 892 void
 893 _jit_retval_c(jit_state_t *_jit, jit_int32_t r0)
 894 {
 895     jit_inc_synth_w(retval_c, r0);
 896     jit_extr_c(r0, JIT_RET);
 897     jit_dec_synth();
 898 }
 899
 900 void
 901 _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0)
 902 {
 903     jit_inc_synth_w(retval_uc, r0);
 904     jit_extr_uc(r0, JIT_RET);
 905     jit_dec_synth();
 906 }
 907
 908 void
 909 _jit_retval_s(jit_state_t *_jit, jit_int32_t r0)
 910 {
 911     jit_inc_synth_w(retval_s, r0);
 912     jit_extr_s(r0, JIT_RET);
 913     jit_dec_synth();
 914 }
 915
 916 void
 917 _jit_retval_us(jit_state_t *_jit, jit_int32_t r0)
 918 {
 919     jit_inc_synth_w(retval_us, r0);
 920     jit_extr_us(r0, JIT_RET);
 921     jit_dec_synth();
 922 }
 923
 924 void
 925 _jit_retval_i(jit_state_t *_jit, jit_int32_t r0)
 926 {
 927     jit_inc_synth_w(retval_i, r0);
 928     jit_extr_i(r0, JIT_RET);
 929     jit_dec_synth();
 930 }
 931
 932 void
 933 _jit_retval_ui(jit_state_t *_jit, jit_int32_t r0)
 934 {
 935     jit_inc_synth_w(retval_ui, r0);
 936     jit_extr_ui(r0, JIT_RET);
 937     jit_dec_synth();
 938 }
 939
 940 void
 941 _jit_retval_l(jit_state_t *_jit, jit_int32_t r0)
 942 {
 943     jit_inc_synth_w(retval_l, r0);
 944     jit_movr(r0, JIT_RET);
 945     jit_dec_synth();
 946 }
 947
 948 void
 949 _jit_retval_f(jit_state_t *_jit, jit_int32_t r0)
 950 {
 951     jit_inc_synth_w(retval_l, r0);
 952     jit_movr_f(r0, JIT_FRET);
 953     jit_dec_synth();
 954 }
 955
 956 void
 957 _jit_retval_d(jit_state_t *_jit, jit_int32_t r0)
 958 {
 959     jit_inc_synth_w(retval_d, r0);
 960     jit_movr_d(r0, JIT_FRET);
 961     jit_dec_synth();
 962 }
 963
 964 jit_pointer_t
 965 _emit_code(jit_state_t *_jit)
 966 {
 967     jit_node_t          *node;
 968     jit_node_t          *temp;
 969     jit_word_t           word;
 970     jit_int32_t          value;
 971     jit_int32_t          offset;
 972     struct {
 973         jit_node_t      *node;
 974         jit_word_t       word;
 975 #if DEVEL_DISASSEMBLER
 976         jit_word_t       prevw;
 977 #endif
 978         jit_int32_t      patch_offset;
 979         jit_word_t       prolog_offset;
 980     } undo;
 981 #if DEVEL_DISASSEMBLER
 982     jit_word_t           prevw;
 983 #endif
 984
 985     _jitc->function = NULL;
 986
 987     /* If did resize the code buffer, these were not reset */
 988     _jitc->ioff = 0;
 989     jit_regset_set_ui(&_jitc->regs, 0);
 990     _jitc->pred = 0;
 991
 992     jit_reglive_setup();
 993
 994     undo.word = 0;
 995     undo.node = NULL;
 996     undo.patch_offset = 0;
 997
 998 #if DEVEL_DISASSEMBLER
 999     prevw = _jit->pc.w;
1000 #endif
1001     undo.prolog_offset = 0;
1002     for (node = _jitc->head; node; node = node->next)
1003         if (node->code != jit_code_label &&
1004             node->code != jit_code_note &&
1005             node->code != jit_code_name)
1006             break;
1007     if (node && (node->code != jit_code_prolog ||
1008                  !(_jitc->functions.ptr + node->w.w)->assume_frame)) {
1009         /* code may start with a jump so add an initial function descriptor */
1010         word = _jit->pc.w + 16;
1011         il(word);               /* addr */
1012         il(0);                  /* gp */
1013     }
1014 #define case_rr(name, type)                                             \
1015             case jit_code_##name##r##type:                              \
1016                 name##r##type(rn(node->u.w), rn(node->v.w));            \
1017                 break
1018 #define case_rw(name, type)                                             \
1019             case jit_code_##name##i##type:                              \
1020                 name##i##type(rn(node->u.w), node->v.w);                \
1021                 break
1022 #define case_wr(name, type)                                             \
1023             case jit_code_##name##i##type:                              \
1024                 name##i##type(node->u.w, rn(node->v.w));                \
1025                 break
1026 #define case_rrr(name, type)                                            \
1027             case jit_code_##name##r##type:                              \
1028                 name##r##type(rn(node->u.w),                            \
1029                               rn(node->v.w), rn(node->w.w));            \
1030                 break
1031 #define case_rrrr(name, type)                                           \
1032             case jit_code_##name##r##type:                              \
1033                 name##r##type(rn(node->u.q.l), rn(node->u.q.h),         \
1034                               rn(node->v.w), rn(node->w.w));            \
1035                 break
1036 #define case_rrw(name, type)                                            \
1037             case jit_code_##name##i##type:                              \
1038                 name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \
1039                 break
1040 #define case_rrrw(name, type)                                           \
1041             case jit_code_##name##i##type:                              \
1042                 name##i##type(rn(node->u.q.l), rn(node->u.q.h),         \
1043                               rn(node->v.w), node->w.w);                \
1044                 break
1045 #define case_rrf(name, type, size)                                      \
1046             case jit_code_##name##i##type:                              \
1047                 assert(node->flag & jit_flag_data);                     \
1048                 name##i##type(rn(node->u.w), rn(node->v.w),             \
1049                               (jit_float##size##_t *)node->w.n->u.w);   \
1050                 break
1051 #define case_wrr(name, type)                                            \
1052             case jit_code_##name##i##type:                              \
1053                 name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \
1054                 break
1055 #define case_brr(name, type)                                            \
1056             case jit_code_##name##r##type:                              \
1057                 temp = node->u.n;                                       \
1058                 assert(temp->code == jit_code_label ||                  \
1059                        temp->code == jit_code_epilog);                  \
1060                 if (temp->flag & jit_flag_patch)                        \
1061                     name##r##type(temp->u.w, rn(node->v.w),             \
1062                                   rn(node->w.w));                       \
1063                 else {                                                  \
1064                     word = name##r##type(_jit->pc.w,                    \
1065                                          rn(node->v.w), rn(node->w.w)); \
1066                     patch(word, node);                                  \
1067                 }                                                       \
1068                 break
1069 #define case_brw(name, type)                                            \
1070             case jit_code_##name##i##type:                              \
1071                 temp = node->u.n;                                       \
1072                 assert(temp->code == jit_code_label ||                  \
1073                        temp->code == jit_code_epilog);                  \
1074                 if (temp->flag & jit_flag_patch)                        \
1075                     name##i##type(temp->u.w,                            \
1076                                   rn(node->v.w), node->w.w);            \
1077                 else {                                                  \
1078                     word = name##i##type(_jit->pc.w,                    \
1079                                          rn(node->v.w), node->w.w);     \
1080                     patch(word, node);                                  \
1081                 }                                                       \
1082                 break
1083 #define case_brf(name, type, size)                                      \
1084             case jit_code_##name##i##type:                              \
1085                 temp = node->u.n;                                       \
1086                 assert(temp->code == jit_code_label ||                  \
1087                        temp->code == jit_code_epilog);                  \
1088                 if (temp->flag & jit_flag_patch)                        \
1089                     name##i##type(temp->u.w, rn(node->v.w),             \
1090                                 (jit_float##size##_t *)node->w.n->u.w); \
1091                 else {                                                  \
1092                     word = name##i##type(_jit->pc.w, rn(node->v.w),     \
1093                                 (jit_float##size##_t *)node->w.n->u.w); \
1094                     patch(word, node);                                  \
1095                 }                                                       \
1096                 break
1097     for (node = _jitc->head; node; node = node->next) {
1098         if (_jit->pc.uc >= _jitc->code.end)
1099             return (NULL);
1100
1101         value = jit_classify(node->code);
1102 #if GET_JIT_SIZE
1103         sync();
1104 #endif
1105 #if DEVEL_DISASSEMBLER
1106         /* FIXME DEVEL_DISASSEMBLER should become DISASSEMBLER,
1107          * but a "real" DEVEL_DISASSEMBLER should be required
1108          * to turn the below "#if 0" into "#if 1" */
1109 #  if 0         /* Since disassembly outputs 3 instructions at a time,
1110                  * make it "#if 1" for more clear debug output. */
1111         sync();
1112 #  endif
1113         node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw;
1114         prevw = _jit->pc.w;
1115 #endif
1116         jit_regarg_set(node, value);
1117         switch (node->code) {
1118             case jit_code_align:
1119                 assert(!(node->u.w & (node->u.w - 1)) &&
1120                        node->u.w <= sizeof(jit_word_t));
1121                 /* nothing done */
1122                 break;
1123             case jit_code_note:         case jit_code_name:
1124                 sync();
1125                 node->u.w = _jit->pc.w;
1126                 break;
1127             case jit_code_label:
1128                 sync();
1129                 /* remember label is defined */
1130                 node->flag |= jit_flag_patch;
1131                 node->u.w = _jit->pc.w;
1132                 break;
1133                 case_rrr(add,);
1134                 case_rrw(add,);
1135                 case_rrr(addc,);
1136                 case_rrw(addc,);
1137                 case_rrr(addx,);
1138                 case_rrw(addx,);
1139                 case_rrr(sub,);
1140                 case_rrw(sub,);
1141                 case_rrr(subx,);
1142                 case_rrw(subx,);
1143                 case_rrw(rsb,);
1144                 case_rrr(subc,);
1145                 case_rrw(subc,);
1146                 case_rrr(mul,);
1147                 case_rrw(mul,);
1148                 case_rrrr(qmul,);
1149                 case_rrrw(qmul,);
1150                 case_rrrr(qmul, _u);
1151                 case_rrrw(qmul, _u);
1152                 case_rrr(div,);
1153                 case_rrw(div,);
1154                 case_rrr(div, _u);
1155                 case_rrw(div, _u);
1156                 case_rrr(rem,);
1157                 case_rrw(rem,);
1158                 case_rrr(rem, _u);
1159                 case_rrw(rem, _u);
1160                 case_rrrr(qdiv,);
1161                 case_rrrw(qdiv,);
1162                 case_rrrr(qdiv, _u);
1163                 case_rrrw(qdiv, _u);
1164                 case_rrr(and,);
1165                 case_rrw(and,);
1166                 case_rrr(or,);
1167                 case_rrw(or,);
1168                 case_rrr(xor,);
1169                 case_rrw(xor,);
1170                 case_rrr(lsh,);
1171                 case_rrw(lsh,);
1172                 case_rrr(rsh,);
1173                 case_rrw(rsh,);
1174                 case_rrr(rsh, _u);
1175                 case_rrw(rsh, _u);
1176                 case_rr(neg,);
1177                 case_rr(com,);
1178                 case_rrr(movn,);
1179                 case_rrr(movz,);
1180                 case_rr(mov,);
1181             case jit_code_movi:
1182                 if (node->flag & jit_flag_node) {
1183                     temp = node->v.n;
1184                     if (temp->code == jit_code_data ||
1185                         (temp->code == jit_code_label &&
1186                          (temp->flag & jit_flag_patch)))
1187                         movi(rn(node->u.w), temp->u.w);
1188                     else {
1189                         assert(temp->code == jit_code_label ||
1190                                temp->code == jit_code_epilog);
1191                         word = movi_p(rn(node->u.w), node->v.w);
1192                         patch(word, node);
1193                     }
1194                 }
1195                 else
1196                     movi(rn(node->u.w), node->v.w);
1197                 break;
1198                 case_rr(hton, _us);
1199                 case_rr(hton, _ui);
1200                 case_rr(hton, _ul);
1201                 case_rr(bswap, _us);
1202                 case_rr(bswap, _ui);
1203                 case_rr(bswap, _ul);
1204                 case_rr(ext, _c);
1205                 case_rr(ext, _uc);
1206                 case_rr(ext, _s);
1207                 case_rr(ext, _us);
1208                 case_rr(ext, _i);
1209                 case_rr(ext, _ui);
1210                 case_rr(trunc, _f_i);
1211                 case_rr(trunc, _d_i);
1212                 case_rr(trunc, _f_l);
1213                 case_rr(trunc, _d_l);
1214                 case_rrr(lt,);
1215                 case_rrw(lt,);
1216                 case_rrr(lt, _u);
1217                 case_rrw(lt, _u);
1218                 case_rrr(le,);
1219                 case_rrw(le,);
1220                 case_rrr(le, _u);
1221                 case_rrw(le, _u);
1222                 case_rrr(eq,);
1223                 case_rrw(eq,);
1224                 case_rrr(ge,);
1225                 case_rrw(ge,);
1226                 case_rrr(ge, _u);
1227                 case_rrw(ge, _u);
1228                 case_rrr(gt,);
1229                 case_rrw(gt,);
1230                 case_rrr(gt, _u);
1231                 case_rrw(gt, _u);
1232                 case_rrr(ne,);
1233                 case_rrw(ne,);
1234                 case_rr(ld, _c);
1235                 case_rw(ld, _c);
1236                 case_rr(ld, _uc);
1237                 case_rw(ld, _uc);
1238                 case_rr(ld, _s);
1239                 case_rw(ld, _s);
1240                 case_rr(ld, _us);
1241                 case_rw(ld, _us);
1242                 case_rr(ld, _i);
1243                 case_rw(ld, _i);
1244                 case_rr(ld, _ui);
1245                 case_rw(ld, _ui);
1246                 case_rr(ld, _l);
1247                 case_rw(ld, _l);
1248                 case_rrr(ldx, _c);
1249                 case_rrw(ldx, _c);
1250                 case_rrr(ldx, _uc);
1251                 case_rrw(ldx, _uc);
1252                 case_rrr(ldx, _s);
1253                 case_rrw(ldx, _s);
1254                 case_rrr(ldx, _us);
1255                 case_rrw(ldx, _us);
1256                 case_rrr(ldx, _i);
1257                 case_rrw(ldx, _i);
1258                 case_rrr(ldx, _ui);
1259                 case_rrw(ldx, _ui);
1260                 case_rrr(ldx, _l);
1261                 case_rrw(ldx, _l);
1262                 case_rr(st, _c);
1263                 case_wr(st, _c);
1264                 case_rr(st, _s);
1265                 case_wr(st, _s);
1266                 case_rr(st, _i);
1267                 case_wr(st, _i);
1268                 case_rr(st, _l);
1269                 case_wr(st, _l);
1270                 case_rrr(stx, _c);
1271                 case_wrr(stx, _c);
1272                 case_rrr(stx, _s);
1273                 case_wrr(stx, _s);
1274                 case_rrr(stx, _i);
1275                 case_wrr(stx, _i);
1276                 case_rrr(stx, _l);
1277                 case_wrr(stx, _l);
1278                 case_brr(blt,);
1279                 case_brw(blt,);
1280                 case_brr(blt, _u);
1281                 case_brw(blt, _u);
1282                 case_brr(ble,);
1283                 case_brw(ble,);
1284                 case_brr(ble, _u);
1285                 case_brw(ble, _u);
1286                 case_brr(beq,);
1287                 case_brw(beq,);
1288                 case_brr(bge,);
1289                 case_brw(bge,);
1290                 case_brr(bge, _u);
1291                 case_brw(bge, _u);
1292                 case_brr(bgt,);
1293                 case_brw(bgt,);
1294                 case_brr(bgt, _u);
1295                 case_brw(bgt, _u);
1296                 case_brr(bne,);
1297                 case_brw(bne,);
1298                 case_brr(bms,);
1299                 case_brw(bms,);
1300                 case_brr(bmc,);
1301                 case_brw(bmc,);
1302                 case_brr(boadd,);
1303                 case_brw(boadd,);
1304                 case_brr(boadd, _u);
1305                 case_brw(boadd, _u);
1306                 case_brr(bxadd,);
1307                 case_brw(bxadd,);
1308                 case_brr(bxadd, _u);
1309                 case_brw(bxadd, _u);
1310                 case_brr(bosub,);
1311                 case_brw(bosub,);
1312                 case_brr(bosub, _u);
1313                 case_brw(bosub, _u);
1314                 case_brr(bxsub,);
1315                 case_brw(bxsub,);
1316                 case_brr(bxsub, _u);
1317                 case_brw(bxsub, _u);
1318                 case_rrr(add, _f);
1319                 case_rrf(add, _f, 32);
1320                 case_rrr(sub, _f);
1321                 case_rrf(sub, _f, 32);
1322                 case_rrf(rsb, _f, 32);
1323                 case_rrr(mul, _f);
1324                 case_rrf(mul, _f, 32);
1325                 case_rrr(div, _f);
1326                 case_rrf(div, _f, 32);
1327                 case_rr(ext, _f);
1328                 case_rr(abs, _f);
1329                 case_rr(neg, _f);
1330                 case_rr(sqrt, _f);
1331                 case_rr(ld, _f);
1332                 case_rw(ld, _f);
1333                 case_rrr(ldx, _f);
1334                 case_rrw(ldx, _f);
1335                 case_rr(st, _f);
1336                 case_wr(st, _f);
1337                 case_rrr(stx, _f);
1338                 case_wrr(stx, _f);
1339                 case_rr(mov, _f);
1340             case jit_code_movi_f:
1341                 assert(node->flag & jit_flag_data);
1342                 movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w);
1343                 break;
1344                 case_rr(ext, _d_f);
1345                 case_rrr(lt, _f);
1346                 case_rrf(lt, _f, 32);
1347                 case_rrr(le, _f);
1348                 case_rrf(le, _f, 32);
1349                 case_rrr(eq, _f);
1350                 case_rrf(eq, _f, 32);
1351                 case_rrr(ge, _f);
1352                 case_rrf(ge, _f, 32);
1353                 case_rrr(gt, _f);
1354                 case_rrf(gt, _f, 32);
1355                 case_rrr(ne, _f);
1356                 case_rrf(ne, _f, 32);
1357                 case_rrr(unlt, _f);
1358                 case_rrf(unlt, _f, 32);
1359                 case_rrr(unle, _f);
1360                 case_rrf(unle, _f, 32);
1361                 case_rrr(uneq, _f);
1362                 case_rrf(uneq, _f, 32);
1363                 case_rrr(unge, _f);
1364                 case_rrf(unge, _f, 32);
1365                 case_rrr(ungt, _f);
1366                 case_rrf(ungt, _f, 32);
1367                 case_rrr(ltgt, _f);
1368                 case_rrf(ltgt, _f, 32);
1369                 case_rrr(ord, _f);
1370                 case_rrf(ord, _f, 32);
1371                 case_rrr(unord, _f);
1372                 case_rrf(unord, _f, 32);
1373                 case_brr(blt, _f);
1374                 case_brf(blt, _f, 32);
1375                 case_brr(ble, _f);
1376                 case_brf(ble, _f, 32);
1377                 case_brr(beq, _f);
1378                 case_brf(beq, _f, 32);
1379                 case_brr(bge, _f);
1380                 case_brf(bge, _f, 32);
1381                 case_brr(bgt, _f);
1382                 case_brf(bgt, _f, 32);
1383                 case_brr(bne, _f);
1384                 case_brf(bne, _f, 32);
1385                 case_brr(bunlt, _f);
1386                 case_brf(bunlt, _f, 32);
1387                 case_brr(bunle, _f);
1388                 case_brf(bunle, _f, 32);
1389                 case_brr(buneq, _f);
1390                 case_brf(buneq, _f, 32);
1391                 case_brr(bunge, _f);
1392                 case_brf(bunge, _f, 32);
1393                 case_brr(bungt, _f);
1394                 case_brf(bungt, _f, 32);
1395                 case_brr(bltgt, _f);
1396                 case_brf(bltgt, _f, 32);
1397                 case_brr(bord, _f);
1398                 case_brf(bord, _f, 32);
1399                 case_brr(bunord, _f);
1400                 case_brf(bunord, _f, 32);
1401                 case_rrr(add, _d);
1402                 case_rrf(add, _d, 64);
1403                 case_rrr(sub, _d);
1404                 case_rrf(sub, _d, 64);
1405                 case_rrf(rsb, _d, 64);
1406                 case_rrr(mul, _d);
1407                 case_rrf(mul, _d, 64);
1408                 case_rrr(div, _d);
1409                 case_rrf(div, _d, 64);
1410                 case_rr(ext, _d);
1411                 case_rr(abs, _d);
1412                 case_rr(neg, _d);
1413                 case_rr(sqrt, _d);
1414                 case_rr(ld, _d);
1415                 case_rw(ld, _d);
1416                 case_rrr(ldx, _d);
1417                 case_rrw(ldx, _d);
1418                 case_rr(st, _d);
1419                 case_wr(st, _d);
1420                 case_rrr(stx, _d);
1421                 case_wrr(stx, _d);
1422                 case_rr(mov, _d);
1423             case jit_code_movi_d:
1424                 assert(node->flag & jit_flag_data);
1425                 movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w);
1426                 break;
1427                 case_rr(ext, _f_d);
1428                 case_rrr(lt, _d);
1429                 case_rrf(lt, _d, 64);
1430                 case_rrr(le, _d);
1431                 case_rrf(le, _d, 64);
1432                 case_rrr(eq, _d);
1433                 case_rrf(eq, _d, 64);
1434                 case_rrr(ge, _d);
1435                 case_rrf(ge, _d, 64);
1436                 case_rrr(gt, _d);
1437                 case_rrf(gt, _d, 64);
1438                 case_rrr(ne, _d);
1439                 case_rrf(ne, _d, 64);
1440                 case_rrr(unlt, _d);
1441                 case_rrf(unlt, _d, 64);
1442                 case_rrr(unle, _d);
1443                 case_rrf(unle, _d, 64);
1444                 case_rrr(uneq, _d);
1445                 case_rrf(uneq, _d, 64);
1446                 case_rrr(unge, _d);
1447                 case_rrf(unge, _d, 64);
1448                 case_rrr(ungt, _d);
1449                 case_rrf(ungt, _d, 64);
1450                 case_rrr(ltgt, _d);
1451                 case_rrf(ltgt, _d, 64);
1452                 case_rrr(ord, _d);
1453                 case_rrf(ord, _d, 64);
1454                 case_rrr(unord, _d);
1455                 case_rrf(unord, _d, 64);
1456                 case_brr(blt, _d);
1457                 case_brf(blt, _d, 64);
1458                 case_brr(ble, _d);
1459                 case_brf(ble, _d, 64);
1460                 case_brr(beq, _d);
1461                 case_brf(beq, _d, 64);
1462                 case_brr(bge, _d);
1463                 case_brf(bge, _d, 64);
1464                 case_brr(bgt, _d);
1465                 case_brf(bgt, _d, 64);
1466                 case_brr(bne, _d);
1467                 case_brf(bne, _d, 64);
1468                 case_brr(bunlt, _d);
1469                 case_brf(bunlt, _d, 64);
1470                 case_brr(bunle, _d);
1471                 case_brf(bunle, _d, 64);
1472                 case_brr(buneq, _d);
1473                 case_brf(buneq, _d, 64);
1474                 case_brr(bunge, _d);
1475                 case_brf(bunge, _d, 64);
1476                 case_brr(bungt, _d);
1477                 case_brf(bungt, _d, 64);
1478                 case_brr(bltgt, _d);
1479                 case_brf(bltgt, _d, 64);
1480                 case_brr(bord, _d);
1481                 case_brf(bord, _d, 64);
1482                 case_brr(bunord, _d);
1483                 case_brf(bunord, _d, 64);
1484             case jit_code_jmpr:
1485                 jmpr(rn(node->u.w));
1486                 break;
1487             case jit_code_jmpi:
1488                 if (node->flag & jit_flag_node) {
1489                     if (_jit->pc.uc == _jit->code.ptr + 16)
1490                         _jitc->jump = 1;
1491                     temp = node->u.n;
1492                     assert(temp->code == jit_code_label ||
1493                            temp->code == jit_code_epilog);
1494                     if (temp->flag & jit_flag_patch)
1495                         jmpi(temp->u.w);
1496                     else {
1497                         word = jmpi_p(_jit->pc.w);
1498                         patch(word, node);
1499                     }
1500                 }
1501                 else
1502                     jmpi(node->u.w);
1503                 break;
1504             case jit_code_callr:
1505                 callr(rn(node->u.w));
1506                 break;
1507             case jit_code_calli:
1508                 if (node->flag & jit_flag_node) {
1509                     temp = node->u.n;
1510                     assert(temp->code == jit_code_label ||
1511                            temp->code == jit_code_epilog);
1512                     word = calli_p(temp->u.w);
1513                     if (!(temp->flag & jit_flag_patch))
1514                         patch(word, node);
1515                 }
1516                 else
1517                     calli(node->u.w);
1518                 break;
1519             case jit_code_prolog:
1520                 jit_regset_set_ui(&_jitc->regs, 0);
1521                 _jitc->pred = 0;
1522                 sync();
1523                 _jitc->function = _jitc->functions.ptr + node->w.w;
1524                 undo.node = node;
1525                 undo.word = _jit->pc.w;
1526 #if DEVEL_DISASSEMBLER
1527                 undo.prevw = prevw;
1528 #endif
1529                 undo.patch_offset = _jitc->patches.offset;
1530                 undo.prolog_offset = _jitc->prolog.offset;
1531             restart_function:
1532                 _jitc->again = 0;
1533                 if (_jitc->jump && !_jitc->function->assume_frame) {
1534                     /* remember prolog to hide offset adjustment for a jump
1535                      * to the start of a function, what is expected to be
1536                      * a common practice as first jit instruction */
1537                     if (_jitc->prolog.offset >= _jitc->prolog.length) {
1538                         _jitc->prolog.length += 16;
1539                         jit_realloc((jit_pointer_t *)&_jitc->prolog.ptr,
1540                                     (_jitc->prolog.length - 16) *
1541                                     sizeof(jit_word_t),
1542                                     _jitc->prolog.length * sizeof(jit_word_t));
1543                     }
1544                     _jitc->prolog.ptr[_jitc->prolog.offset++] = _jit->pc.w;
1545                     /* function descriptor */
1546                     word = _jit->pc.w + 16;
1547                     il(word);                   /* addr */
1548                     il(0);                      /* gp */
1549                 }
1550                 prolog(node);
1551                 break;
1552             case jit_code_epilog:
1553                 assert(_jitc->function == _jitc->functions.ptr + node->w.w);
1554                 if (_jitc->again) {
1555                     for (temp = undo.node->next;
1556                          temp != node; temp = temp->next) {
1557                         if (temp->code == jit_code_label ||
1558                             temp->code == jit_code_epilog)
1559                             temp->flag &= ~jit_flag_patch;
1560                     }
1561                     temp->flag &= ~jit_flag_patch;
1562                     node = undo.node;
1563                     _jit->pc.w = undo.word;
1564 #if DEVEL_DISASSEMBLER
1565                     prevw = undo.prevw;
1566 #endif
1567                     _jitc->patches.offset = undo.patch_offset;
1568                     _jitc->prolog.offset = undo.prolog_offset;
1569                     _jitc->ioff = 0;
1570                     jit_regset_set_ui(&_jitc->regs, 0);
1571                     _jitc->pred = 0;
1572                     goto restart_function;
1573                 }
1574                 /* remember label is defined */
1575                 sync();
1576                 node->flag |= jit_flag_patch;
1577                 node->u.w = _jit->pc.w;
1578                 epilog(node);
1579                 jit_regset_set_ui(&_jitc->regs, 0);
1580                 _jitc->pred = 0;
1581                 _jitc->function = NULL;
1582                 break;
1583             case jit_code_va_start:
1584                 vastart(rn(node->u.w));
1585                 break;
1586             case jit_code_va_arg:
1587                 vaarg(rn(node->u.w), rn(node->v.w));
1588                 break;
1589             case jit_code_va_arg_d:
1590                 vaarg_d(rn(node->u.w), rn(node->v.w));
1591                 break;
1592             case jit_code_live:
1593             case jit_code_arg:                  case jit_code_ellipsis:
1594             case jit_code_va_push:
1595             case jit_code_allocai:              case jit_code_allocar:
1596             case jit_code_arg_f:                case jit_code_arg_d:
1597             case jit_code_va_end:
1598             case jit_code_ret:
1599             case jit_code_retr:                 case jit_code_reti:
1600             case jit_code_retr_f:               case jit_code_reti_f:
1601             case jit_code_retr_d:               case jit_code_reti_d:
1602             case jit_code_getarg_c:             case jit_code_getarg_uc:
1603             case jit_code_getarg_s:             case jit_code_getarg_us:
1604             case jit_code_getarg_i:             case jit_code_getarg_ui:
1605             case jit_code_getarg_l:
1606             case jit_code_getarg_f:             case jit_code_getarg_d:
1607             case jit_code_putargr:              case jit_code_putargi:
1608             case jit_code_putargr_f:            case jit_code_putargi_f:
1609             case jit_code_putargr_d:            case jit_code_putargi_d:
1610             case jit_code_pushargr:             case jit_code_pushargi:
1611             case jit_code_pushargr_f:           case jit_code_pushargi_f:
1612             case jit_code_pushargr_d:           case jit_code_pushargi_d:
1613             case jit_code_retval_c:             case jit_code_retval_uc:
1614             case jit_code_retval_s:             case jit_code_retval_us:
1615             case jit_code_retval_i:
1616             case jit_code_retval_ui:            case jit_code_retval_l:
1617             case jit_code_retval_f:             case jit_code_retval_d:
1618             case jit_code_prepare:
1619             case jit_code_finishr:              case jit_code_finishi:
1620                 break;
1621             case jit_code_movr_w_f:
1622                 movr_w_f(rn(node->u.w), rn(node->v.w));
1623                 break;
1624             case jit_code_movr_f_w:
1625                 movr_f_w(rn(node->u.w), rn(node->v.w));
1626                 break;
1627             case jit_code_movr_w_d:
1628                 movr_w_d(rn(node->u.w), rn(node->v.w));
1629                 break;
1630             case jit_code_movr_d_w:
1631                 movr_d_w(rn(node->u.w), rn(node->v.w));
1632                 break;
1633             case jit_code_movi_f_w:
1634                 movi_f_w(rn(node->u.w), node->v.n->u.p);
1635                 break;
1636             case jit_code_movi_d_w:
1637                 movi_d_w(rn(node->u.w), node->v.n->u.p);
1638                 break;
1639             default:
1640                 abort();
1641         }
1642         if (jit_carry != _NOREG) {
1643             switch (node->code) {
1644                 case jit_code_note:
1645                 case jit_code_addcr:            case jit_code_addci:
1646                 case jit_code_addxr:            case jit_code_addxi:
1647                 case jit_code_subcr:            case jit_code_subci:
1648                 case jit_code_subxr:            case jit_code_subxi:
1649                     break;
1650                 default:
1651                     jit_unget_reg(jit_carry);
1652                     jit_carry = _NOREG;
1653                     break;
1654             }
1655         }
1656 #if GET_JIT_SIZE
1657         sync();
1658 #endif
1659         jit_regarg_clr(node, value);
1660         if (jit_regset_cmp_ui(&_jitc->regarg, 0) != 0) {
1661             assert(jit_regset_scan1(&_jitc->regarg, 0) == jit_carry);
1662             assert(jit_regset_scan1(&_jitc->regarg, jit_carry + 1) == ULONG_MAX);
1663         }
1664         assert(_jitc->synth == 0);
1665         /* update register live state */
1666         jit_reglive(node);
1667     }
1668     sync();
1669 #undef case_brf
1670 #undef case_brw
1671 #undef case_brr
1672 #undef case_wrr
1673 #undef case_rrrw
1674 #undef case_rrf
1675 #undef case_rrw
1676 #undef case_rrrr
1677 #undef case_rrr
1678 #undef case_wr
1679 #undef case_rw
1680 #undef case_rr
1681
1682     for (offset = 0; offset < _jitc->patches.offset; offset++) {
1683         node = _jitc->patches.ptr[offset].node;
1684         word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w;
1685         patch_at(node->code, _jitc->patches.ptr[offset].inst, word);
1686     }
1687
1688     jit_flush(_jit->code.ptr, _jit->pc.uc);
1689
1690     return (_jit->code.ptr);
1691 }
1692
1693 #define CODE                            1
1694 #  include "jit_ia64-cpu.c"
1695 #  include "jit_ia64-fpu.c"
1696 #undef CODE
1697
1698 void
1699 jit_flush(void *fptr, void *tptr)
1700 {
1701 #if defined(__GNUC__)
1702     jit_word_t          f, t, s;
1703
1704     s = sysconf(_SC_PAGE_SIZE);
1705     f = (jit_word_t)fptr & -s;
1706     t = (((jit_word_t)tptr) + s - 1) & -s;
1707 #  if 0
1708     __clear_cache((void *)f, (void *)t);
1709 #  else
1710     /* __clear_cache is a noop in (old?) gcc, but cache flush is
1711      * required on a multi processor Linux system. */
1712     for (s = f; s < t; s += 32)
1713         asm volatile("fc %0" :: "r"(s) : "memory");
1714 #  endif
1715 #endif
1716 }
1717
1718 /* Use r2 that is reserved to not require a jit_get_reg call, also note
1719  * that addil needs a register that first in 2 bits, so, if using a
1720  * register other than r2 must be less than r8 (or check for a smaller
1721  * immediate, i.e. i0 >= -8192 && i0 <= 8191) */
1722 void
1723 _emit_ldxi(jit_state_t *_jit, jit_gpr_t r0, jit_gpr_t r1, jit_word_t i0)
1724 {
1725     assert(i0 >= -2097152 && i0 < 2097151);
1726     addi(GR_2, rn(r1), i0);
1727     ldr(rn(r0), GR_2);
1728 }
1729
1730 void
1731 _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_gpr_t r1)
1732 {
1733     assert(i0 >= -2097152 && i0 < 2097151);
1734     addi(GR_2, rn(r0), i0);
1735     str(GR_2, rn(r1));
1736 }
1737
1738 void
1739 _emit_ldxi_d(jit_state_t *_jit, jit_fpr_t r0, jit_gpr_t r1, jit_word_t i0)
1740 {
1741     assert(i0 >= -2097152 && i0 < 2097151);
1742     addi(GR_2, rn(r1), i0);
1743     ldr_d(rn(r0), GR_2);
1744 }
1745
1746 void
1747 _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_fpr_t r1)
1748 {
1749     assert(i0 >= -2097152 && i0 < 2097151);
1750     addi(GR_2, rn(r0), i0);
1751     str_d(GR_2, rn(r1));
1752 }
1753
1754 static void
1755 _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node)
1756 {
1757     jit_int32_t         flag;
1758
1759     assert(node->flag & jit_flag_node);
1760     if (node->code == jit_code_movi)
1761         flag = node->v.n->flag;
1762     else
1763         flag = node->u.n->flag;
1764     assert(!(flag & jit_flag_patch));
1765     if (_jitc->patches.offset >= _jitc->patches.length) {
1766         jit_realloc((jit_pointer_t *)&_jitc->patches.ptr,
1767                     _jitc->patches.length * sizeof(jit_patch_t),
1768                     (_jitc->patches.length + 1024) * sizeof(jit_patch_t));
1769         _jitc->patches.length += 1024;
1770     }
1771     _jitc->patches.ptr[_jitc->patches.offset].inst = instr;
1772     _jitc->patches.ptr[_jitc->patches.offset].node = node;
1773     ++_jitc->patches.offset;
1774 }