gcc/config/m68k/dpx2.h

   1 /* Definitions of target machine for GNU compiler.
   2    Bull DPX/2 200 and 300 systems (m68k, SysVr3).
   3    Copyright (C) 1987, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
   4    Contributed by Frederic Pierresteguy (F.Pierresteguy@frcl.bull.fr).
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GNU CC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU CC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.  */
  22
  23
  24 #ifndef USE_GAS
  25 #define MOTOROLA           /* Use Motorola syntax rather than "MIT" */
  26 #define SGS_NO_LI          /* Suppress jump table label usage */
  27 #define VERSADOS           /* This is the name of the assembler we have */
  28 #endif
  29
  30 #include "m68k/m68k.h"
  31 #undef SELECT_RTX_SECTION
  32 #include "svr3.h"
  33
  34 /* See m68k.h.  7 means 68020 with 68881.
  35  * We really have 68030 and 68882,
  36  * but this will get us going.
  37  */
  38 #ifndef TARGET_DEFAULT
  39 #define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020)
  40 #endif
  41
  42 #define OBJECT_FORMAT_COFF
  43 #define NO_SYS_SIGLIST
  44
  45 #ifdef CPP_PREDEFINES
  46 #undef CPP_PREDEFINES
  47 #endif
  48 /*
  49  * define all the things the compiler should
  50  */
  51 #ifdef ncl_mr
  52 # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -Dncl_mr=1 -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3)  -Acpu(m68k) -Amachine(m68k)"
  53 #else
  54 # ifdef ncl_el
  55 # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -Dncl_el -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3)  -Acpu(m68k) -Amachine(m68k)"
  56 # else
  57 #   define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3)  -Acpu(m68k) -Amachine(m68k)"
  58 # endif
  59 #endif
  60
  61 #undef  CPP_SPEC
  62 /*
  63  * you can't get a DPX/2 without a 68882 but allow it
  64  * to be ignored...
  65  */
  66 # define __HAVE_68881__ 1
  67 # define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ }"
  68
  69 #define HAVE_ATEXIT
  70 #undef DO_GLOBAL_CTORS_BODY             /* don't use svr3.h version */
  71 #undef DO_GLOBAL_DTORS_BODY
  72
  73 #ifndef USE_GAS
  74 /*
  75  * handle the native MOTOROLA VERSAdos assembler.
  76  */
  77
  78 /* See m68k.h.  3 means 68020 with 68881 and no bitfield
  79  * bitfield instructions do not seem to work a clean way.
  80  */
  81 #undef TARGET_DEFAULT
  82 #define TARGET_DEFAULT (MASK_68881|MASK_68020)
  83
  84 /* The native assembler doesn't support fmovecr.  */
  85 #define NO_ASM_FMOVECR
  86
  87 #undef EXTRA_SECTIONS
  88 #undef EXTRA_SECTION_FUNCTIONS
  89 #undef READONLY_DATA_SECTION
  90 #define READONLY_DATA_SECTION data_section
  91 #undef SELECT_SECTION
  92 #undef SELECT_RTX_SECTION
  93 #define fini_section() while (0)
  94
  95 #undef CTORS_SECTION_ASM_OP
  96 #define CTORS_SECTION_ASM_OP "\tsection 15"
  97 #undef DTORS_SECTION_ASM_OP
  98 #define DTORS_SECTION_ASM_OP "\tsection 15"
  99 #undef INIT_SECTION_ASM_OP
 100 #define BSS_SECTION_ASM_OP     "\tsection 14"
 101 #undef TEXT_SECTION_ASM_OP
 102 #define TEXT_SECTION_ASM_OP    "\tsection 10"
 103 #undef DATA_SECTION_ASM_OP
 104 #define DATA_SECTION_ASM_OP  "\tsection 15"
 105
 106
 107 /* Don't try using XFmode.  */
 108 #undef LONG_DOUBLE_TYPE_SIZE
 109 #define LONG_DOUBLE_TYPE_SIZE 64
 110
 111 /* Define if you don't want extended real, but do want to use the
 112    software floating point emulator for REAL_ARITHMETIC and
 113    decimal <-> binary conversion. */
 114 #define REAL_ARITHMETIC
 115
 116 #undef ASM_OUTPUT_SOURCE_FILENAME
 117 #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NA)    \
 118   do { fprintf ((FILE), "\t.file\t'%s'\n", (NA)); } while (0)
 119
 120 /* Assembler pseudos to introduce constants of various size.  */
 121
 122 #undef ASM_BYTE_OP
 123 #define ASM_BYTE_OP "\tdc.b"
 124 #undef ASM_LONG
 125 #define ASM_LONG "\tdc.l"
 126
 127 /*
 128  * we don't seem to support any of:
 129  * .globl
 130  * .even
 131  * .align
 132  * .ascii
 133  */
 134 #undef ASM_OUTPUT_SKIP
 135 #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
 136   fprintf (FILE, "\tdcb.b %u,0\n", (SIZE))
 137
 138 #undef GLOBAL_ASM_OP
 139 #define GLOBAL_ASM_OP "\txdef"
 140
 141 #undef ASM_OUTPUT_ALIGN
 142 #define ASM_OUTPUT_ALIGN(FILE,LOG)      \
 143   if ((LOG) >= 1)                       \
 144     fprintf (FILE, "\tds.w 0\n");
 145
 146
 147 #define STRING_LIMIT    (0)
 148 #undef ASM_APP_ON
 149 #define ASM_APP_ON ""
 150 #undef ASM_APP_OFF
 151 #define ASM_APP_OFF ""
 152 /*
 153  * dc.b 'hello, world!'
 154  * dc.b 10,0
 155  * is how we have to output "hello, world!\n"
 156  */
 157 #undef ASM_OUTPUT_ASCII
 158 #define ASM_OUTPUT_ASCII(asm_out_file, p, thissize)             \
 159   do { register int i, c, f=0, len=0;                           \
 160   for (i = 0; i < thissize; i++) {                              \
 161     c = p[i];                                                   \
 162     if (c == '\'' || c < ' ' || c > 127) {                      \
 163       switch(f) {                                               \
 164       case 0: /* need to output dc.b etc */                     \
 165         fprintf(asm_out_file, "\tdc.b %d", c);                  \
 166         f=1;                                                    \
 167         break;                                                  \
 168       case 1:                                                   \
 169         fprintf(asm_out_file, ",%d", c);                        \
 170         break;                                                  \
 171       default:                                                  \
 172         /* close a string */                                    \
 173         fprintf(asm_out_file, "'\n\tdc.b %d", c);               \
 174         f=1;                                                    \
 175         break;                                                  \
 176       }                                                         \
 177     } else {                                                    \
 178       switch(f) {                                               \
 179       case 0:                                                   \
 180         fprintf(asm_out_file, "\tdc.b '%c", c);                 \
 181         f=2;                                                    \
 182         break;                                                  \
 183       case 2:                                                   \
 184         if (len >= 79) {                                        \
 185           fprintf(asm_out_file, "'\n\tdc.b '%c", c);            \
 186           len = 0; }                                            \
 187         else                                                    \
 188           fprintf(asm_out_file, "%c", c);                       \
 189         break;                                                  \
 190       default:                                                  \
 191         len = 0;                                                \
 192         fprintf(asm_out_file, "\n\tdc.b '%c", c);               \
 193         f=2;                                                    \
 194         break;                                                  \
 195       }                                                         \
 196     }                                                           \
 197     len++;                                                      \
 198   }                                                             \
 199   if (f==2)                                                     \
 200     putc('\'', asm_out_file);                                   \
 201   putc('\n', asm_out_file); } while (0)
 202
 203 /* This is how to output an insn to push a register on the stack.
 204    It need not be very fast code.  */
 205
 206 #undef ASM_OUTPUT_REG_PUSH
 207 #define ASM_OUTPUT_REG_PUSH(FILE,REGNO)  \
 208   fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[REGNO])
 209
 210 /* This is how to output an insn to pop a register from the stack.
 211    It need not be very fast code.  */
 212
 213 #undef ASM_OUTPUT_REG_POP
 214 #define ASM_OUTPUT_REG_POP(FILE,REGNO)  \
 215   fprintf (FILE, "\tmove.l (sp)+,%s\n", reg_names[REGNO])
 216
 217
 218 #define PUT_SDB_FUNCTION_START(LINE)            \
 219   fprintf (asm_out_file,                        \
 220            "\t.def\t.bf%s\t.val\t*%s\t.scl\t101%s\t.line\t%d%s\t.endef\n", \
 221            SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
 222
 223 #define PUT_SDB_FUNCTION_END(LINE)              \
 224   fprintf (asm_out_file,                        \
 225            "\t.def\t.ef%s\t.val\t*%s\t.scl\t101%s\t.line\t%d%s\t.endef\n", \
 226            SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
 227
 228 #define PUT_SDB_BLOCK_START(LINE)               \
 229   fprintf (asm_out_file,                        \
 230            "\t.def\t.bb%s\t.val\t*%s\t.scl\t100%s\t.line\t%d%s\t.endef\n", \
 231            SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
 232
 233 #define PUT_SDB_BLOCK_END(LINE)                 \
 234   fprintf (asm_out_file,                        \
 235            "\t.def\t.eb%s\t.val\t*%s\t.scl\t100%s\t.line\t%d%s\t.endef\n",  \
 236            SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
 237
 238 #define PUT_SDB_EPILOGUE_END(NAME)
 239
 240 /* Output type in decimal not in octal as done in sdbout.c */
 241 #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\t.type\t0%d%s", a, SDB_DELIM)
 242
 243 #undef FUNCTION_PROLOGUE
 244 #define FUNCTION_PROLOGUE(FILE, SIZE)                                 \
 245 {                                                                     \
 246   register int regno;                                                 \
 247   register int mask = 0;                                              \
 248   int num_saved_regs = 0, first = 1;                                  \
 249   extern char call_used_regs[];                                       \
 250   int fsize = ((SIZE) + 3) & -4;                                      \
 251                                                                       \
 252                                                                       \
 253   if (frame_pointer_needed)                                           \
 254     {                                                                 \
 255       /* Adding negative number is faster on the 68040.  */           \
 256       if (fsize < 0x8000 && !TARGET_68040)                            \
 257         {                                                             \
 258           fprintf (FILE, "\tlink %s,#%d\n",                           \
 259                        reg_names[FRAME_POINTER_REGNUM], -fsize);      \
 260         }                                                             \
 261       else if (TARGET_68020)                                          \
 262         {                                                             \
 263           fprintf (FILE, "\tlink %s,#%d\n",                           \
 264                        reg_names[FRAME_POINTER_REGNUM], -fsize);      \
 265         }                                                             \
 266       else                                                            \
 267         {                                                             \
 268           fprintf (FILE, "\tlink %s,#0\n\tadd.l #%d,sp\n",            \
 269                        reg_names[FRAME_POINTER_REGNUM], -fsize);      \
 270         }                                                             \
 271     }                                                                 \
 272   else if (fsize)                                                     \
 273     {                                                                 \
 274       /* Adding negative number is faster on the 68040.  */           \
 275       if (fsize + 4 < 0x8000)                                         \
 276         {                                                             \
 277           fprintf (FILE, "\tadd.w #%d,sp\n", - (fsize + 4));          \
 278         }                                                             \
 279       else                                                            \
 280         {                                                             \
 281           fprintf (FILE, "\tadd.l #%d,sp\n", - (fsize + 4));          \
 282         }                                                             \
 283     }                                                                 \
 284   for (regno = 23; regno >= 16; regno--)                              \
 285     if (regs_ever_live[regno] && ! call_used_regs[regno])             \
 286       if (first) {                                                    \
 287         fprintf (FILE, "\tfmovem.x %s", reg_names[regno]);            \
 288         first = 0;                                                    \
 289        }                                                              \
 290       else fprintf (FILE, "/%s", reg_names[regno]);                   \
 291   if (!first) fprintf (FILE, ",-(sp)\n");                             \
 292                                                                       \
 293   mask = 0;                                                           \
 294   for (regno = 0; regno < 16; regno++)                                \
 295     if (regs_ever_live[regno] && ! call_used_regs[regno])             \
 296       {                                                               \
 297         mask |= 1 << (15 - regno);                                    \
 298         num_saved_regs++;                                             \
 299       }                                                               \
 300   if (frame_pointer_needed)                                           \
 301     {                                                                 \
 302       mask &= ~ (1 << (15 - FRAME_POINTER_REGNUM));                   \
 303       num_saved_regs--;                                               \
 304     }                                                                 \
 305                                                                       \
 306                                                                       \
 307   if (num_saved_regs <= 2)                                            \
 308     {                                                                 \
 309       /* Store each separately in the same order moveml uses.         \
 310          Using two movel instructions instead of a single moveml      \
 311          is about 15% faster for the 68020 and 68030 at no expense    \
 312          in code size */                                              \
 313                                                                       \
 314       int i;                                                          \
 315                                                                       \
 316       /* Undo the work from above. */                                 \
 317       for (i = 0; i< 16; i++)                                         \
 318         if (mask & (1 << i))                                          \
 319           fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[15 - i]);   \
 320     }                                                                 \
 321   else if (mask)                                                      \
 322     {                                                                 \
 323       first = 1;                                                      \
 324       for (regno = 0; regno < 16; regno++)                            \
 325         if (mask & (1 << regno))                                      \
 326           if (first) {                                                \
 327             fprintf (FILE, "\tmovem.l %s", reg_names[15 - regno]);    \
 328             first = 0;                                                \
 329            }                                                          \
 330           else fprintf (FILE, "/%s", reg_names[15 - regno]);          \
 331       fprintf (FILE, ",-(sp)\n");                                     \
 332     }                                                                 \
 333   if (flag_pic && current_function_uses_pic_offset_table)             \
 334     {                                                                 \
 335       fprintf (FILE, "\tmove.l #__GLOBAL_OFFSET_TABLE_, %s\n",        \
 336                    reg_names[PIC_OFFSET_TABLE_REGNUM]);               \
 337       fprintf (FILE, "\tlea.l (pc,%s.l),%s\n",                        \
 338                    reg_names[PIC_OFFSET_TABLE_REGNUM],                \
 339                    reg_names[PIC_OFFSET_TABLE_REGNUM]);               \
 340     }                                                                 \
 341 }
 342
 343
 344 #undef FUNCTION_EPILOGUE
 345 #define FUNCTION_EPILOGUE(FILE, SIZE)                                 \
 346 {                                                                     \
 347   register int regno;                                                 \
 348   register int mask, fmask;                                           \
 349   register int nregs;                                                 \
 350   int offset, foffset, fpoffset, first = 1;                           \
 351   extern char call_used_regs[];                                       \
 352   int fsize = ((SIZE) + 3) & -4;                                      \
 353   int big = 0;                                                        \
 354   rtx insn = get_last_insn ();                                        \
 355                                                                       \
 356   /* If the last insn was a BARRIER, we don't have to write any code.  */ \
 357   if (GET_CODE (insn) == NOTE)                                        \
 358     insn = prev_nonnote_insn (insn);                                  \
 359   if (insn && GET_CODE (insn) == BARRIER)                             \
 360     {                                                                 \
 361       /* Output just a no-op so that debuggers don't get confused     \
 362          about which function the pc is in at this address.  */       \
 363       fprintf (FILE, "\tnop\n");                                      \
 364       return;                                                         \
 365     }                                                                 \
 366                                                                       \
 367   nregs = 0;  fmask = 0; fpoffset = 0;                                \
 368   for (regno = 16; regno < 24; regno++)                               \
 369     if (regs_ever_live[regno] && ! call_used_regs[regno])             \
 370       {                                                               \
 371         nregs++;                                                      \
 372         fmask |= 1 << (23 - regno);                                   \
 373       }                                                               \
 374   foffset = fpoffset + nregs * 12;                                    \
 375   nregs = 0;  mask = 0;                                               \
 376   if (frame_pointer_needed)                                           \
 377     regs_ever_live[FRAME_POINTER_REGNUM] = 0;                         \
 378   for (regno = 0; regno < 16; regno++)                                \
 379     if (regs_ever_live[regno] && ! call_used_regs[regno])             \
 380       {                                                               \
 381         nregs++;                                                      \
 382         mask |= 1 << regno;                                           \
 383       }                                                               \
 384   offset = foffset + nregs * 4;                                       \
 385   if (offset + fsize >= 0x8000                                        \
 386       && frame_pointer_needed                                         \
 387       && (mask || fmask || fpoffset))                                 \
 388     {                                                                 \
 389       fprintf (FILE, "\tmove.l #%d,a0\n", -fsize);                    \
 390       fsize = 0, big = 1;                                             \
 391     }                                                                 \
 392   if (nregs <= 2)                                                     \
 393     {                                                                 \
 394       /* Restore each separately in the same order moveml does.       \
 395          Using two movel instructions instead of a single moveml      \
 396          is about 15% faster for the 68020 and 68030 at no expense    \
 397          in code size. */                                             \
 398                                                                       \
 399       int i;                                                          \
 400                                                                       \
 401       /* Undo the work from above. */                                 \
 402       for (i = 0; i< 16; i++)                                         \
 403         if (mask & (1 << i))                                          \
 404           {                                                           \
 405             if (big)                                                  \
 406               {                                                       \
 407                 fprintf (FILE, "\tmove.l -%d(%s,a0.l),%s\n",          \
 408                              offset + fsize,                          \
 409                              reg_names[FRAME_POINTER_REGNUM],         \
 410                              reg_names[i]);                           \
 411               }                                                       \
 412             else if (! frame_pointer_needed)                          \
 413               {                                                       \
 414                 fprintf (FILE, "\tmove.l (sp)+,%s\n",                 \
 415                              reg_names[i]);                           \
 416               }                                                       \
 417             else                                                      \
 418               {                                                       \
 419                 fprintf (FILE, "\tmove.l -%d(%s),%s\n",               \
 420                              offset + fsize,                          \
 421                              reg_names[FRAME_POINTER_REGNUM],         \
 422                              reg_names[i]);                           \
 423               }                                                       \
 424             offset = offset - 4;                                      \
 425           }                                                           \
 426     }                                                                 \
 427   else if (mask)                                                      \
 428     {                                                                 \
 429       first = 1;                                                      \
 430       for (regno = 0; regno < 16; regno++)                            \
 431         if (mask & (1 << regno))                                      \
 432           if (first && big) {                                         \
 433             fprintf (FILE, "\tmovem.l -%d(%s,a0.l),%s",               \
 434                      offset + fsize,                                  \
 435                      reg_names[FRAME_POINTER_REGNUM],                 \
 436                      reg_names[regno]);                               \
 437             first = 0;                                                \
 438            }                                                          \
 439           else if (first && ! frame_pointer_needed) {                 \
 440             fprintf (FILE, "\tmovem.l (sp)+,%s",                      \
 441                      offset + fsize,                                  \
 442                      reg_names[FRAME_POINTER_REGNUM],                 \
 443                      reg_names[regno]);                               \
 444             first = 0;                                                \
 445            }                                                          \
 446           else if (first) {                                           \
 447             fprintf (FILE, "\tmovem.l -%d(%s),%s",                    \
 448                      offset + fsize,                                  \
 449                      reg_names[FRAME_POINTER_REGNUM],                 \
 450                      reg_names[regno]);                               \
 451             first = 0;                                                \
 452            }                                                          \
 453           else                                                        \
 454             fprintf (FILE, "/%s", reg_names[regno]);                  \
 455       fprintf (FILE, "\n");                                           \
 456     }                                                                 \
 457   if (fmask)                                                          \
 458     {                                                                 \
 459       first = 1;                                                      \
 460       for (regno = 16; regno < 24; regno++)                           \
 461         if (fmask & (1 << (23 - regno)))                               \
 462           if (first && big) {                                         \
 463             fprintf (FILE, "\tfmovem.x -%d(%s,a0.l),%s",              \
 464                      foffset + fsize,                                 \
 465                      reg_names[FRAME_POINTER_REGNUM],                 \
 466                      reg_names[regno]);                               \
 467             first = 0;                                                \
 468            }                                                          \
 469           else if (first && ! frame_pointer_needed) {                 \
 470             fprintf (FILE, "\tfmovem.x (sp)+,%s",                     \
 471                      foffset + fsize,                                 \
 472                      reg_names[FRAME_POINTER_REGNUM],                 \
 473                      reg_names[regno]);                               \
 474             first = 0;                                                \
 475            }                                                          \
 476           else if (first) {                                           \
 477             fprintf (FILE, "\tfmovem.x -%d(%s),%s",                   \
 478                      foffset + fsize,                                 \
 479                      reg_names[FRAME_POINTER_REGNUM],                 \
 480                      reg_names[regno]);                               \
 481             first = 0;                                                \
 482            }                                                          \
 483           else fprintf (FILE, "/%s", reg_names[regno]);               \
 484       fprintf (FILE, "\n");                                           \
 485     }                                                                 \
 486   if (frame_pointer_needed)                                           \
 487     fprintf (FILE, "\tunlk %s\n",                                     \
 488              reg_names[FRAME_POINTER_REGNUM]);                        \
 489   else if (fsize)                                                     \
 490     {                                                                 \
 491       if (fsize + 4 < 0x8000)                                         \
 492         {                                                             \
 493           fprintf (FILE, "\tadd.w #%d,sp\n", fsize + 4);              \
 494         }                                                             \
 495       else                                                            \
 496         {                                                             \
 497           fprintf (FILE, "\tadd.l #%d,sp\n", fsize + 4);              \
 498         }                                                             \
 499     }                                                                 \
 500   if (current_function_pops_args)                                     \
 501     fprintf (FILE, "\trtd #%d\n", current_function_pops_args);        \
 502   else                                                                \
 503     fprintf (FILE, "\trts\n");                                        \
 504 }
 505
 506 /* Translate Motorola opcodes such as `jbeq'
 507    into VERSAdos opcodes such as `beq'.
 508    Change `fbeq' to `fbseq', `fbne' to `fbsneq'.
 509 */
 510
 511 #undef ASM_OUTPUT_OPCODE
 512 #define ASM_OUTPUT_OPCODE(FILE, PTR)                    \
 513 { if ((PTR)[0] == 'j' && (PTR)[1] == 'b')               \
 514     { ++(PTR);                                          \
 515       while (*(PTR) != ' ')                             \
 516         { putc (*(PTR), (FILE)); ++(PTR); }             \
 517     }                                                   \
 518   else if ((PTR)[0] == 'f')                             \
 519     {                                                   \
 520       if (!strncmp ((PTR), "fbeq", 4))                  \
 521         { fprintf ((FILE), "fbseq"); (PTR) += 4; }      \
 522       else if (!strncmp ((PTR), "fbne", 4))             \
 523         { fprintf ((FILE), "fbsneq"); (PTR) += 4; }     \
 524     }                                                   \
 525   else if ((PTR)[0] == 'b' && (PTR)[1] == 'f')          \
 526     {                                                   \
 527       char *s;                                          \
 528       if ((s = (char*)strchr ((PTR), '{')))             \
 529         while (*s != '}') {                             \
 530           if (*s == 'b')                                \
 531             /* hack, I replace it with R ie nothing */  \
 532             *s = '0';                                   \
 533           s++; }                                        \
 534     }                                                   \
 535 }
 536
 537 /* This is how to output a `long double' extended real constant. */
 538 #undef ASM_OUTPUT_LONG_DOUBLE
 539 #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE)                              \
 540 do { long l[3];                                                         \
 541      REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l);                       \
 542      if (sizeof (int) == sizeof (long))                                 \
 543        fprintf (FILE, "\tdc.l $%x,$%x,$%x\n", l[0], l[1], l[2]);        \
 544      else                                                               \
 545        fprintf (FILE, "\tdc.l $%lx,$%lx,$%lx\n", l[0], l[1], l[2]);     \
 546    } while (0)
 547
 548 #undef ASM_OUTPUT_DOUBLE
 549 #if 0
 550 #define ASM_OUTPUT_DOUBLE(FILE,VALUE)  \
 551   do { char dstr[30];                                           \
 552        REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr);            \
 553        fprintf (FILE, "\tdc.d %s\n", dstr);                     \
 554      } while (0)
 555 #endif
 556 #define ASM_OUTPUT_DOUBLE(FILE,VALUE)  \
 557 do { long l[2];                                                         \
 558      REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l);                            \
 559      fprintf (FILE, "\tdc.l $%x,$%x\n", l[0], l[1]);                    \
 560    } while (0)
 561
 562
 563 /* This is how to output an assembler line defining a `float' constant.  */
 564 #undef ASM_OUTPUT_FLOAT
 565 #define ASM_OUTPUT_FLOAT(FILE,VALUE)  \
 566 do { long l;                                            \
 567      REAL_VALUE_TO_TARGET_SINGLE (VALUE, l);            \
 568      if (sizeof (int) == sizeof (long))                 \
 569        fprintf (FILE, "\tdc.l $%x\n", l);               \
 570      else                                               \
 571        fprintf (FILE, "\tdc.l $%lx\n", l);              \
 572    } while (0)
 573
 574 /* This is how to output an assembler line defining an `int' constant.  */
 575 #undef ASM_OUTPUT_INT
 576 #define ASM_OUTPUT_INT(FILE,VALUE)  \
 577 ( fprintf (FILE, "\tdc.l "),                    \
 578   output_addr_const (FILE, (VALUE)),            \
 579   fprintf (FILE, "\n"))
 580
 581 /* Likewise for `char' and `short' constants.  */
 582 #undef ASM_OUTPUT_SHORT
 583 #define ASM_OUTPUT_SHORT(FILE,VALUE)  \
 584 ( fprintf (FILE, "\tdc.w "),                    \
 585   output_addr_const (FILE, (VALUE)),            \
 586   fprintf (FILE, "\n"))
 587
 588 #undef ASM_OUTPUT_CHAR
 589 #define ASM_OUTPUT_CHAR(FILE,VALUE)  \
 590 ( fprintf (FILE, "\tdc.b "),                    \
 591   output_addr_const (FILE, (VALUE)),            \
 592   fprintf (FILE, "\n"))
 593
 594 /* This is how to output an assembler line for a numeric constant byte.  */
 595 #undef ASM_OUTPUT_BYTE
 596 #define ASM_OUTPUT_BYTE(FILE,VALUE)  \
 597   fprintf (FILE, "\tdc.b $%x\n", (VALUE))
 598
 599 /* This is how to output an element of a case-vector that is absolute.
 600    (The 68000 does not use such vectors,
 601    but we must define this macro anyway.)  */
 602 #undef ASM_OUTPUT_ADDR_VEC_ELT
 603 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)  \
 604   asm_fprintf (FILE, "\tdc.l %LL%d\n", VALUE)
 605
 606 /* This is how to output an element of a case-vector that is relative.  */
 607 #undef ASM_OUTPUT_ADDR_DIFF_ELT
 608 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL)  \
 609   asm_fprintf (FILE, "\tdc.w %LL%d-%LL%d\n", VALUE, REL)
 610
 611 /* Currently, JUMP_TABLES_IN_TEXT_SECTION must be defined in order to
 612    keep switch tables in the text section. */
 613 #define JUMP_TABLES_IN_TEXT_SECTION 1
 614
 615 /* Output a float value (represented as a C double) as an immediate operand.
 616    This macro is a 68k-specific macro.  */
 617 #undef ASM_OUTPUT_FLOAT_OPERAND
 618 #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE)               \
 619  do {                                                           \
 620       if (CODE == 'f')                                          \
 621         {                                                       \
 622           char dstr[30];                                        \
 623           REAL_VALUE_TO_DECIMAL (VALUE, "%.9g", dstr);          \
 624           asm_fprintf ((FILE), "%I%s", dstr);                   \
 625         }                                                       \
 626       else                                                      \
 627         {                                                       \
 628           long l;                                               \
 629           REAL_VALUE_TO_TARGET_SINGLE (VALUE, l);               \
 630           if (sizeof (int) == sizeof (long))                    \
 631             asm_fprintf ((FILE), "%I$%x", l);                   \
 632           else                                                  \
 633             asm_fprintf ((FILE), "%I$%lx", l);                  \
 634         }                                                       \
 635      } while (0)
 636
 637 /* Output a double value (represented as a C double) as an immediate operand.
 638    This macro is a 68k-specific macro.  */
 639 #undef ASM_OUTPUT_DOUBLE_OPERAND
 640 #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE)                           \
 641  do { char dstr[30];                                                    \
 642       REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr);                     \
 643       asm_fprintf (FILE, "%I%s", dstr);                                 \
 644     } while (0)
 645
 646 /* Note, long double immediate operands are not actually
 647    generated by m68k.md.  */
 648 #undef ASM_OUTPUT_LONG_DOUBLE_OPERAND
 649 #define ASM_OUTPUT_LONG_DOUBLE_OPERAND(FILE,VALUE)                      \
 650  do { char dstr[30];                                                    \
 651       REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr);                     \
 652       asm_fprintf (FILE, "%I%s", dstr);                                 \
 653     } while (0)
 654
 655 #undef ASM_OUTPUT_COMMON
 656 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
 657 ( fputs ("\t.comm ", (FILE)),                   \
 658   assemble_name ((FILE), (NAME)),               \
 659   fprintf ((FILE), ",%u\n", (ROUNDED)))
 660
 661 #undef ASM_OUTPUT_LOCAL
 662 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)     \
 663   do {                                                  \
 664     int align = exact_log2 (ROUNDED);                   \
 665     /*fprintf ((FILE), "\tsection 14\n");  */               \
 666     data_section ();                                    \
 667     ASM_OUTPUT_ALIGN ((FILE), align)                    \
 668     ASM_OUTPUT_LABEL ((FILE), (NAME));                  \
 669     fprintf ((FILE), "\tdcb.b %u,0\n", (ROUNDED));      \
 670     /* fprintf ((FILE), "\tsection 10\n"); */             \
 671   } while (0)
 672
 673 #undef PRINT_OPERAND_ADDRESS
 674 #define PRINT_OPERAND_ADDRESS(FILE, ADDR)  \
 675 { register rtx reg1, reg2, breg, ireg;                                  \
 676   register rtx addr = ADDR;                                             \
 677   rtx offset;                                                           \
 678   switch (GET_CODE (addr))                                              \
 679     {                                                                   \
 680     case REG:                                                           \
 681       fprintf (FILE, "(%s)", reg_names[REGNO (addr)]);                  \
 682       break;                                                            \
 683     case PRE_DEC:                                                       \
 684       fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]);       \
 685       break;                                                            \
 686     case POST_INC:                                                      \
 687       fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]);       \
 688       break;                                                            \
 689     case PLUS:                                                          \
 690       reg1 = 0; reg2 = 0;                                               \
 691       ireg = 0; breg = 0;                                               \
 692       offset = 0;                                                       \
 693       if (CONSTANT_ADDRESS_P (XEXP (addr, 0)))                          \
 694         {                                                               \
 695           offset = XEXP (addr, 0);                                      \
 696           addr = XEXP (addr, 1);                                        \
 697         }                                                               \
 698       else if (CONSTANT_ADDRESS_P (XEXP (addr, 1)))                     \
 699         {                                                               \
 700           offset = XEXP (addr, 1);                                      \
 701           addr = XEXP (addr, 0);                                        \
 702         }                                                               \
 703       if (GET_CODE (addr) != PLUS) ;                                    \
 704       else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND)                \
 705         {                                                               \
 706           reg1 = XEXP (addr, 0);                                        \
 707           addr = XEXP (addr, 1);                                        \
 708         }                                                               \
 709       else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND)                \
 710         {                                                               \
 711           reg1 = XEXP (addr, 1);                                        \
 712           addr = XEXP (addr, 0);                                        \
 713         }                                                               \
 714       else if (GET_CODE (XEXP (addr, 0)) == MULT)                       \
 715         {                                                               \
 716           reg1 = XEXP (addr, 0);                                        \
 717           addr = XEXP (addr, 1);                                        \
 718         }                                                               \
 719       else if (GET_CODE (XEXP (addr, 1)) == MULT)                       \
 720         {                                                               \
 721           reg1 = XEXP (addr, 1);                                        \
 722           addr = XEXP (addr, 0);                                        \
 723         }                                                               \
 724       else if (GET_CODE (XEXP (addr, 0)) == REG)                        \
 725         {                                                               \
 726           reg1 = XEXP (addr, 0);                                        \
 727           addr = XEXP (addr, 1);                                        \
 728         }                                                               \
 729       else if (GET_CODE (XEXP (addr, 1)) == REG)                        \
 730         {                                                               \
 731           reg1 = XEXP (addr, 1);                                        \
 732           addr = XEXP (addr, 0);                                        \
 733         }                                                               \
 734       if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT             \
 735           || GET_CODE (addr) == SIGN_EXTEND)                            \
 736         { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; }     \
 737 /*  for OLD_INDEXING                                                    \
 738       else if (GET_CODE (addr) == PLUS)                                 \
 739         {                                                               \
 740           if (GET_CODE (XEXP (addr, 0)) == REG)                         \
 741             {                                                           \
 742               reg2 = XEXP (addr, 0);                                    \
 743               addr = XEXP (addr, 1);                                    \
 744             }                                                           \
 745           else if (GET_CODE (XEXP (addr, 1)) == REG)                    \
 746             {                                                           \
 747               reg2 = XEXP (addr, 1);                                    \
 748               addr = XEXP (addr, 0);                                    \
 749             }                                                           \
 750         }                                                               \
 751   */                                                                    \
 752       if (offset != 0) { if (addr != 0) abort (); addr = offset; }      \
 753       if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND                      \
 754                     || GET_CODE (reg1) == MULT))                        \
 755           || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2))))         \
 756         { breg = reg2; ireg = reg1; }                                   \
 757       else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1)))         \
 758         { breg = reg1; ireg = reg2; }                                   \
 759       if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF)       \
 760         { int scale = 1;                                                \
 761           if (GET_CODE (ireg) == MULT)                                  \
 762             { scale = INTVAL (XEXP (ireg, 1));                          \
 763               ireg = XEXP (ireg, 0); }                                  \
 764           if (GET_CODE (ireg) == SIGN_EXTEND)                           \
 765             fprintf (FILE, "(.L%d,pc,%s.w",                             \
 766                      CODE_LABEL_NUMBER (XEXP (addr, 0)),                \
 767                      reg_names[REGNO (XEXP (ireg, 0))]);                \
 768           else                                                          \
 769             fprintf (FILE, "(.L%d,pc,%s.l",                             \
 770                      CODE_LABEL_NUMBER (XEXP (addr, 0)),                \
 771                      reg_names[REGNO (ireg)]);                          \
 772           if (scale != 1) fprintf (FILE, "*%d", scale);                 \
 773           putc (')', FILE);                                             \
 774           break; }                                                      \
 775         if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF      \
 776             && ! (flag_pic && breg == pic_offset_table_rtx))            \
 777           {                                                             \
 778             fprintf (FILE, "(.L%d,pc,%s.l",                             \
 779                          CODE_LABEL_NUMBER (XEXP (addr, 0)),            \
 780                          reg_names[REGNO (breg)]);                      \
 781             putc (')', FILE);                                           \
 782             break; }                                                    \
 783       if (ireg != 0 || breg != 0)                                       \
 784         { int scale = 1;                                                \
 785           if (breg == 0)                                                \
 786             abort ();                                                   \
 787           putc ('(', FILE);                                             \
 788           if (addr != 0)                                                \
 789             {                                                           \
 790               output_addr_const (FILE, addr);                           \
 791               putc (',', FILE);                                         \
 792             }                                                           \
 793           fprintf (FILE, "%s", reg_names[REGNO (breg)]);                \
 794           if (ireg != 0)                                                \
 795             putc (',', FILE);                                           \
 796           if (ireg != 0 && GET_CODE (ireg) == MULT)                     \
 797             { scale = INTVAL (XEXP (ireg, 1));                          \
 798               ireg = XEXP (ireg, 0); }                                  \
 799           if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND)              \
 800             fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]);  \
 801           else if (ireg != 0)                                           \
 802             fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]);            \
 803           if (scale != 1) fprintf (FILE, "*%d", scale);                 \
 804           putc (')', FILE);                                             \
 805           break;                                                        \
 806         }                                                               \
 807       else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF)               \
 808         { fprintf (FILE, "(.L%d,pc,%s.w)",                              \
 809                    CODE_LABEL_NUMBER (XEXP (addr, 0)),                  \
 810                    reg_names[REGNO (reg1)]);                            \
 811           break; }                                                      \
 812     default:                                                            \
 813       if (GET_CODE (addr) == CONST_INT                                  \
 814           && INTVAL (addr) < 0x8000                                     \
 815           && INTVAL (addr) >= -0x8000)                                  \
 816         fprintf (FILE, "%d.w", INTVAL (addr));                          \
 817       else                                                              \
 818         output_addr_const (FILE, addr);                                 \
 819     }}
 820
 821
 822 #endif /* ! use gas */