![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to mot3300.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple XNU] / GNUtools / cc / config / m68k|
Return to mot3300.h CVS log | Up to [Apple XNU] / GNUtools / cc / config / m68k |
1.1 ! root 1: /* Definitions of target machine for GNU compiler. ! 2: SysV68 Motorola 3300 Delta Series ! 3: ! 4: Written by Abramo and Roberto Bagnara ! 5: after Alex Crain's 3B1 definitions. ! 6: ! 7: Bug reports to [email protected] ! 8: ! 9: Copyright (C) 1987 Free Software Foundation, Inc. ! 10: ! 11: This file is part of GNU CC. ! 12: ! 13: GNU CC is free software; you can redistribute it and/or modify ! 14: it under the terms of the GNU General Public License as published by ! 15: the Free Software Foundation; either version 2, or (at your option) ! 16: any later version. ! 17: ! 18: GNU CC is distributed in the hope that it will be useful, ! 19: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 20: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 21: GNU General Public License for more details. ! 22: ! 23: You should have received a copy of the GNU General Public License ! 24: along with GNU CC; see the file COPYING. If not, write to ! 25: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ ! 26: ! 27: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */ ! 28: #define SGS /* Uses SGS assembler */ ! 29: #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */ ! 30: #define SGS_SWAP_W /* Use swap.w rather than just plain swap */ ! 31: #define SGS_SWITCH_TABLES /* Different switch table handling */ ! 32: ! 33: #define NO_DOLLAR_IN_LABEL ! 34: #define NO_DOT_IN_LABEL ! 35: ! 36: #include "m68k/m68k.h" ! 37: ! 38: /* See m68k.h. 7 means 68020 with 68881. */ ! 39: ! 40: #ifndef TARGET_DEFAULT ! 41: #define TARGET_DEFAULT 7 ! 42: #endif ! 43: ! 44: /* NYI: FP= is equivalent to -msoft-float */ ! 45: ! 46: /* We use /lib/libp/lib* when profiling. */ ! 47: ! 48: /* NYI: if FP=M68881U library is -lc881u */ ! 49: /* NYI: if FP= library is -lc. */ ! 50: /* Default for us: FP=M68881 library is -lc881 */ ! 51: #undef LIB_SPEC ! 52: #define LIB_SPEC "%{!shlib:%{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} -lc881}" ! 53: ! 54: #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}" ! 55: ! 56: /* Shared libraries need to use crt0s.o */ ! 57: ! 58: #undef STARTFILE_SPEC ! 59: #define STARTFILE_SPEC \ ! 60: "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\ ! 61: %{shlib:crt0s.o%s shlib.ifile%s} " ! 62: ! 63: /* Generate calls to memcpy, memcmp and memset. */ ! 64: ! 65: #define TARGET_MEM_FUNCTIONS ! 66: ! 67: /* size_t is unsigned int. */ ! 68: ! 69: #define SIZE_TYPE "unsigned int" ! 70: ! 71: /* Every structure or union's size must be a multiple of 2 bytes. */ ! 72: ! 73: #define STRUCTURE_SIZE_BOUNDARY 16 ! 74: ! 75: /* Allocation boundary (in *bits*) for storing arguments in argument list. */ ! 76: /* Be compatible with native compiler. */ ! 77: #undef PARM_BOUNDARY ! 78: #define PARM_BOUNDARY 16 ! 79: ! 80: /* cpp has to support a #sccs directive for the /usr/include files */ ! 81: ! 82: #define SCCS_DIRECTIVE ! 83: ! 84: /* Make output for SDB. */ ! 85: ! 86: #define SDB_DEBUGGING_INFO ! 87: ! 88: #undef REGISTER_PREFIX ! 89: #define REGISTER_PREFIX "%" ! 90: ! 91: #undef IMMEDIATE_PREFIX ! 92: #define IMMEDIATE_PREFIX "&" ! 93: ! 94: #undef REGISTER_NAMES ! 95: #define REGISTER_NAMES \ ! 96: {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ ! 97: "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \ ! 98: "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"} ! 99: ! 100: #if 0 /* [email protected] says the standard ones work. */ ! 101: #undef FUNCTION_PROLOGUE ! 102: #define FUNCTION_PROLOGUE(FILE, SIZE) \ ! 103: { register int regno; \ ! 104: register int mask = 0; \ ! 105: extern char call_used_regs[]; \ ! 106: int fsize = (SIZE); \ ! 107: if (frame_pointer_needed) \ ! 108: { if (fsize < 0x8000) \ ! 109: fprintf (FILE, "\tlink.w %%fp,&%d\n", -fsize); \ ! 110: else if (TARGET_68020) \ ! 111: fprintf (FILE, "\tlink.l %%fp,&%d\n", -fsize); \ ! 112: else \ ! 113: fprintf (FILE, "\tlink.w %%fp,&0\n\tsub.l &%d,%%sp\n", fsize); } \ ! 114: for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \ ! 115: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 116: mask |= 1 << (regno - 16); \ ! 117: if (mask != 0) \ ! 118: fprintf (FILE, "\tfmovem &0x%x,-(%%sp)\n", mask & 0xff); \ ! 119: mask = 0; \ ! 120: for (regno = 0; regno < 16; regno++) \ ! 121: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 122: mask |= 1 << (15 - regno); \ ! 123: if (frame_pointer_needed) \ ! 124: mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \ ! 125: if (exact_log2 (mask) >= 0) \ ! 126: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \ ! 127: else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); } ! 128: #endif /* 0 */ ! 129: ! 130: #undef FUNCTION_PROFILER ! 131: #define FUNCTION_PROFILER(FILE, LABEL_NO) \ ! 132: fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO)) ! 133: ! 134: #if 0 /* [email protected] says the standard ones work. */ ! 135: #undef FUNCTION_EPILOGUE ! 136: #define FUNCTION_EPILOGUE(FILE, SIZE) \ ! 137: { register int regno; \ ! 138: register int mask, fmask; \ ! 139: register int nregs; \ ! 140: int offset, foffset; \ ! 141: extern char call_used_regs[]; \ ! 142: int fsize = (SIZE); \ ! 143: int big = 0; \ ! 144: nregs = 0; fmask = 0; \ ! 145: for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \ ! 146: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 147: { nregs++; fmask |= 1 << (23 - regno); } \ ! 148: foffset = nregs * 12; \ ! 149: nregs = 0; mask = 0; \ ! 150: if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \ ! 151: for (regno = 0; regno < 16; regno++) \ ! 152: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 153: { nregs++; mask |= 1 << regno; } \ ! 154: offset = foffset + nregs * 4; \ ! 155: if (offset + fsize >= 0x8000 && frame_pointer_needed) \ ! 156: { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \ ! 157: fsize = 0, big = 1; } \ ! 158: if (exact_log2 (mask) >= 0) { \ ! 159: if (big) \ ! 160: fprintf (FILE, "\tmov.l -%d(%%fp,%%a0.l),%s\n", \ ! 161: offset + fsize, reg_names[exact_log2 (mask)]); \ ! 162: else if (! frame_pointer_needed) \ ! 163: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \ ! 164: reg_names[exact_log2 (mask)]); \ ! 165: else \ ! 166: fprintf (FILE, "\tmov.l -%d(%%fp),%s\n", \ ! 167: offset + fsize, reg_names[exact_log2 (mask)]); } \ ! 168: else if (mask) { \ ! 169: if (big) \ ! 170: fprintf (FILE, "\tmovm.l -%d(%%fp,%%a0.l),&0x%x\n", \ ! 171: offset + fsize, mask); \ ! 172: else if (! frame_pointer_needed) \ ! 173: fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \ ! 174: else \ ! 175: fprintf (FILE, "\tmovm.l -%d(%%fp),&0x%x\n", \ ! 176: offset + fsize, mask); } \ ! 177: if (fmask) { \ ! 178: if (big) \ ! 179: fprintf (FILE, "\tfmovem -%d(%%fp,%%a0.l),&0x%x\n", \ ! 180: foffset + fsize, fmask); \ ! 181: else if (! frame_pointer_needed) \ ! 182: fprintf (FILE, "\tfmovem (%%sp)+,&0x%x\n", fmask); \ ! 183: else \ ! 184: fprintf (FILE, "\tfmovem -%d(%%fp),&0x%x\n", \ ! 185: foffset + fsize, fmask); } \ ! 186: if (frame_pointer_needed) \ ! 187: fprintf (FILE, "\tunlk %%fp\n"); \ ! 188: if (current_function_pops_args) \ ! 189: fprintf (FILE, "\trtd &%d\n", current_function_pops_args); \ ! 190: else fprintf (FILE, "\trts\n"); } ! 191: #endif /* 0 */ ! 192: ! 193: /* This is how to output an insn to push a register on the stack. ! 194: It need not be very fast code. */ ! 195: ! 196: #undef ASM_OUTPUT_REG_PUSH ! 197: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ ! 198: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO]) ! 199: ! 200: /* This is how to output an insn to pop a register from the stack. ! 201: It need not be very fast code. */ ! 202: ! 203: #undef ASM_OUTPUT_REG_POP ! 204: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \ ! 205: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO]) ! 206: ! 207: #undef ASM_APP_ON ! 208: #define ASM_APP_ON "" ! 209: ! 210: #undef ASM_APP_OFF ! 211: #define ASM_APP_OFF "" ! 212: ! 213: #undef TEXT_SECTION_ASM_OP ! 214: #define TEXT_SECTION_ASM_OP "text" ! 215: #undef DATA_SECTION_ASM_OP ! 216: #define DATA_SECTION_ASM_OP "data" ! 217: #undef ASCII_DATA_ASM_OP ! 218: #define ASCII_DATA_ASM_OP "byte" ! 219: ! 220: /* The file command should always begin the output. */ ! 221: ! 222: #undef ASM_FILE_START ! 223: #define ASM_FILE_START(FILE) \ ! 224: output_file_directive ((FILE), main_input_filename) ! 225: ! 226: /* Don't try to define `gcc_compiled.' since the assembler might not ! 227: accept symbols with periods and GDB doesn't run on this machine anyway. */ ! 228: ! 229: #define ASM_IDENTIFY_GCC(FILE) ! 230: ! 231: /* Names to predefine in the preprocessor for this target machine. */ ! 232: /* [email protected] says mc68000 and m68k should not be here, ! 233: on the other hand I don't care what he says. */ ! 234: ! 235: #undef CPP_PREDEFINES ! 236: #define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68 -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)" ! 237: ! 238: #if 0 /* [email protected] says the right way is with PARM_BOUNDARY. */ ! 239: /* Specify how to pad function arguments. ! 240: Value should be `upward', `downward' or `none'. ! 241: Same as the default, except no padding for large or variable-size args. */ ! 242: ! 243: #define FUNCTION_ARG_PADDING(MODE, TYPE) \ ! 244: (((MODE) == BLKmode \ ! 245: ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \ ! 246: && int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \ ! 247: : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \ ! 248: ? downward : none) ! 249: #endif /* 0 */ ! 250: ! 251: /* Override part of the obstack macros. */ ! 252: ! 253: #define __PTR_TO_INT(P) ((int)(P)) ! 254: #define __INT_TO_PTR(P) ((char *)(P)) ! 255: ! 256: #undef TARGET_VERSION ! 257: #define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)"); ! 258: ! 259: /* Function calls save all but a0, a1, d0, d1, fp0, fp1. */ ! 260: ! 261: #undef CALL_USED_REGISTERS ! 262: #define CALL_USED_REGISTERS \ ! 263: {1, 1, 0, 0, 0, 0, 0, 0, \ ! 264: 1, 1, 0, 0, 0, 0, 0, 1, \ ! 265: 1, 1, 0, 0, 0, 0, 0, 0} ! 266: ! 267: /* If TARGET_68881, return SF and DF values in fp0 instead of d0. */ ! 268: /* NYI: If FP=M68881U return SF and DF values in d0. */ ! 269: /* NYI: If -mold return pointer in a0 and d0 */ ! 270: ! 271: #undef FUNCTION_VALUE ! 272: #define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE)) ! 273: ! 274: /* sysV68 (brain damaged) cc convention support. */ ! 275: /* Commented out until we find a safe way to make it optional. */ ! 276: #if 0 ! 277: #define FUNCTION_VALUE(VALTYPE,FUNC) \ ! 278: (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \ ! 279: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16) \ ! 280: : (TREE_CODE (VALTYPE) == POINTER_TYPE \ ! 281: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \ ! 282: : gen_rtx (REG, TYPE_MODE (VALTYPE), 0))) ! 283: #endif ! 284: ! 285: /* If TARGET_68881, SF and DF values are returned in fp0 instead of d0. */ ! 286: ! 287: #undef LIBCALL_VALUE ! 288: #define LIBCALL_VALUE(MODE) \ ! 289: gen_rtx (REG, (MODE), \ ! 290: ((TARGET_68881 \ ! 291: && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)) \ ! 292: ? 16 : 0)) ! 293: ! 294: /* 1 if N is a possible register number for a function value. ! 295: d0 may be used, and fp0 as well if -msoft-float is not specified. */ ! 296: ! 297: #undef FUNCTION_VALUE_REGNO_P ! 298: #define FUNCTION_VALUE_REGNO_P(N) \ ! 299: ((N) == 0 || (TARGET_68881 && (N) == 16)) ! 300: ! 301: /* sysV68 (brain damaged) cc convention support. */ ! 302: /* Commented out until we find a safe way to make it optional. */ ! 303: #if 0 ! 304: #define FUNCTION_VALUE_REGNO_P(N) \ ! 305: ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16)) ! 306: #endif ! 307: ! 308: /* Define this to be true when FUNCTION_VALUE_REGNO_P is true for ! 309: more than one register. */ ! 310: ! 311: #undef NEEDS_UNTYPED_CALL ! 312: #define NEEDS_UNTYPED_CALL 1 ! 313: ! 314: /* This is the command to make the user-level label named NAME ! 315: defined for reference from other files. */ ! 316: ! 317: #undef GLOBAL_ASM_OP ! 318: #define GLOBAL_ASM_OP "global" ! 319: ! 320: /* Store in OUTPUT a string (made with alloca) containing ! 321: an assembler-name for a local static variable named NAME. ! 322: LABELNO is an integer which is different for each call. */ ! 323: ! 324: #undef ASM_FORMAT_PRIVATE_NAME ! 325: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ ! 326: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \ ! 327: sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO))) ! 328: ! 329: /* The sysV68 as doesn't know about double's and float's. */ ! 330: /* This is how to output an assembler line defining a `double' constant. */ ! 331: ! 332: #undef ASM_OUTPUT_DOUBLE ! 333: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ ! 334: do { long l[2]; \ ! 335: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \ ! 336: fprintf (FILE, "\tlong 0x%x,0x%x\n", l[0], l[1]); \ ! 337: } while (0) ! 338: ! 339: #undef ASM_OUTPUT_LONG_DOUBLE ! 340: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \ ! 341: do { long l[3]; \ ! 342: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \ ! 343: fprintf (FILE, "\tlong 0x%x,0x%x,0x%x\n", l[0], l[1], l[2]); \ ! 344: } while (0) ! 345: ! 346: /* This is how to output an assembler line defining a `float' constant. */ ! 347: ! 348: #undef ASM_OUTPUT_FLOAT ! 349: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \ ! 350: do { long l; \ ! 351: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ ! 352: fprintf ((FILE), "\tlong 0x%x\n", l); \ ! 353: } while (0) ! 354: ! 355: /* This is how to output an assembler line defining an `int' constant. */ ! 356: ! 357: #undef ASM_OUTPUT_INT ! 358: #define ASM_OUTPUT_INT(FILE,VALUE) \ ! 359: ( fprintf (FILE, "\tlong "), \ ! 360: output_addr_const (FILE, (VALUE)), \ ! 361: fprintf (FILE, "\n")) ! 362: ! 363: /* Likewise for `char' and `short' constants. */ ! 364: ! 365: #undef ASM_OUTPUT_SHORT ! 366: #define ASM_OUTPUT_SHORT(FILE,VALUE) \ ! 367: ( fprintf (FILE, "\tshort "), \ ! 368: output_addr_const (FILE, (VALUE)), \ ! 369: fprintf (FILE, "\n")) ! 370: ! 371: #undef ASM_OUTPUT_CHAR ! 372: #define ASM_OUTPUT_CHAR(FILE,VALUE) \ ! 373: ( fprintf (FILE, "\tbyte "), \ ! 374: output_addr_const (FILE, (VALUE)), \ ! 375: fprintf (FILE, "\n")) ! 376: ! 377: /* This is how to output an assembler line for a numeric constant byte. */ ! 378: ! 379: #undef ASM_OUTPUT_BYTE ! 380: #define ASM_OUTPUT_BYTE(FILE,VALUE) \ ! 381: fprintf (FILE, "\tbyte 0x%x\n", (VALUE)) ! 382: ! 383: /* This is how to output an assembler line ! 384: that says to advance the location counter ! 385: to a multiple of 2**LOG bytes. */ ! 386: ! 387: #undef ASM_OUTPUT_ALIGN ! 388: #define ASM_OUTPUT_ALIGN(FILE,LOG) \ ! 389: if ((LOG) == 1) \ ! 390: fprintf (FILE, "\teven\n"); \ ! 391: else if ((LOG) != 0) \ ! 392: abort (); ! 393: ! 394: #undef ASM_OUTPUT_SKIP ! 395: #define ASM_OUTPUT_SKIP(FILE,SIZE) \ ! 396: fprintf (FILE, "\tspace %u\n", (SIZE)) ! 397: ! 398: /* Can't use ASM_OUTPUT_SKIP in text section. */ ! 399: ! 400: #define ASM_NO_SKIP_IN_TEXT 1 ! 401: ! 402: /* The beginnings of sdb support... */ ! 403: ! 404: #undef ASM_OUTPUT_SOURCE_FILENAME ! 405: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \ ! 406: do { fprintf (FILE, "\tfile\t"); \ ! 407: output_quoted_string (FILE, FILENAME); \ ! 408: fprintf (FILE, "\n"); \ ! 409: } while (0) ! 410: ! 411: #undef ASM_OUTPUT_SOURCE_LINE ! 412: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \ ! 413: fprintf (FILE, "\tln\t%d\n", \ ! 414: (sdb_begin_function_line \ ! 415: ? last_linenum - sdb_begin_function_line : 1)) ! 416: ! 417: /* Yet another null terminated string format. */ ! 418: ! 419: #undef ASM_OUTPUT_ASCII ! 420: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \ ! 421: { register int sp = 0, lp = 0; \ ! 422: fprintf ((FILE), "\tbyte\t"); \ ! 423: loop: \ ! 424: if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \ ! 425: { lp += 3; \ ! 426: fprintf ((FILE), "'%c", (PTR)[sp]); } \ ! 427: else \ ! 428: { lp += 5; \ ! 429: fprintf ((FILE), "0x%x", (PTR)[sp]); } \ ! 430: if (++sp < (LEN)) \ ! 431: { if (lp > 60) \ ! 432: { lp = 0; \ ! 433: fprintf ((FILE), "\n\t%s ", ASCII_DATA_ASM_OP); } \ ! 434: else \ ! 435: putc (',', (FILE)); \ ! 436: goto loop; } \ ! 437: putc ('\n', (FILE)); } ! 438: ! 439: /* Print operand X (an rtx) in assembler syntax to file FILE. ! 440: CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. ! 441: For `%' followed by punctuation, CODE is the punctuation and X is null. ! 442: ! 443: On the 68000, we use several CODE characters: ! 444: '.' for dot needed in Motorola-style opcode names. ! 445: '-' for an operand pushing on the stack: ! 446: sp@-, -(sp) or -(%sp) depending on the style of syntax. ! 447: '+' for an operand pushing on the stack: ! 448: sp@+, (sp)+ or (%sp)+ depending on the style of syntax. ! 449: '@' for a reference to the top word on the stack: ! 450: sp@, (sp) or (%sp) depending on the style of syntax. ! 451: '#' for an immediate operand prefix (# in MIT and Motorola syntax ! 452: but & in SGS syntax). ! 453: '!' for the fpcr register (used in some float-to-fixed conversions). ! 454: '$' for the letter `s' in an op code, but only on the 68040. ! 455: '&' for the letter `d' in an op code, but only on the 68040. ! 456: ! 457: 'b' for byte insn (no effect, on the Sun; this is for the ISI). ! 458: 'd' to force memory addressing to be absolute, not relative. ! 459: 'f' for float insn (print a CONST_DOUBLE as a float rather than in hex) ! 460: 'w' for FPA insn (print a CONST_DOUBLE as a SunFPA constant rather ! 461: than directly). Second part of 'y' below. ! 462: 'x' for float insn (print a CONST_DOUBLE as a float rather than in hex), ! 463: or print pair of registers as rx:ry. ! 464: 'y' for a FPA insn (print pair of registers as rx:ry). This also outputs ! 465: CONST_DOUBLE's as SunFPA constant RAM registers if ! 466: possible, so it should not be used except for the SunFPA. */ ! 467: ! 468: #undef PRINT_OPERAND ! 469: #define PRINT_OPERAND(FILE, X, CODE) \ ! 470: { if (CODE == '.') fprintf (FILE, "."); \ ! 471: else if (CODE == '#') fprintf (FILE, "&"); \ ! 472: else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \ ! 473: else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \ ! 474: else if (CODE == '@') fprintf (FILE, "(%%sp)"); \ ! 475: else if (CODE == '!') fprintf (FILE, "%%fpcr"); \ ! 476: else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \ ! 477: else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \ ! 478: else if (CODE == '/') \ ! 479: fprintf (FILE, "%%"); \ ! 480: else if (GET_CODE (X) == REG) \ ! 481: fprintf (FILE, "%s", reg_names[REGNO (X)]); \ ! 482: else if (GET_CODE (X) == MEM) \ ! 483: output_address (XEXP (X, 0)); \ ! 484: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \ ! 485: { REAL_VALUE_TYPE r; long l; \ ! 486: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ ! 487: REAL_VALUE_TO_TARGET_SINGLE (r, l); \ ! 488: /* Use hex representation even if CODE is f. as needs it. */ \ ! 489: fprintf (FILE, "&0x%x", l); } \ ! 490: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \ ! 491: { REAL_VALUE_TYPE r; int i[2]; \ ! 492: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ ! 493: REAL_VALUE_TO_TARGET_DOUBLE (r, i); \ ! 494: fprintf (FILE, "&0x%08x%08x", i[0], i[1]); } \ ! 495: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == XFmode) \ ! 496: { REAL_VALUE_TYPE r; \ ! 497: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ ! 498: ASM_OUTPUT_LONG_DOUBLE_OPERAND (FILE, r); } \ ! 499: else { putc ('&', FILE); output_addr_const (FILE, X); }} ! 500: ! 501: #undef PRINT_OPERAND_ADDRESS ! 502: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ ! 503: { register rtx reg1, reg2, breg, ireg; \ ! 504: register rtx addr = ADDR; \ ! 505: rtx offset; \ ! 506: switch (GET_CODE (addr)) \ ! 507: { \ ! 508: case REG: \ ! 509: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \ ! 510: break; \ ! 511: case PRE_DEC: \ ! 512: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \ ! 513: break; \ ! 514: case POST_INC: \ ! 515: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \ ! 516: break; \ ! 517: case PLUS: \ ! 518: reg1 = 0; reg2 = 0; \ ! 519: ireg = 0; breg = 0; \ ! 520: offset = 0; \ ! 521: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \ ! 522: { \ ! 523: offset = XEXP (addr, 0); \ ! 524: addr = XEXP (addr, 1); \ ! 525: } \ ! 526: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \ ! 527: { \ ! 528: offset = XEXP (addr, 1); \ ! 529: addr = XEXP (addr, 0); \ ! 530: } \ ! 531: if (GET_CODE (addr) != PLUS) ; \ ! 532: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \ ! 533: { \ ! 534: reg1 = XEXP (addr, 0); \ ! 535: addr = XEXP (addr, 1); \ ! 536: } \ ! 537: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \ ! 538: { \ ! 539: reg1 = XEXP (addr, 1); \ ! 540: addr = XEXP (addr, 0); \ ! 541: } \ ! 542: else if (GET_CODE (XEXP (addr, 0)) == MULT) \ ! 543: { \ ! 544: reg1 = XEXP (addr, 0); \ ! 545: addr = XEXP (addr, 1); \ ! 546: } \ ! 547: else if (GET_CODE (XEXP (addr, 1)) == MULT) \ ! 548: { \ ! 549: reg1 = XEXP (addr, 1); \ ! 550: addr = XEXP (addr, 0); \ ! 551: } \ ! 552: else if (GET_CODE (XEXP (addr, 0)) == REG) \ ! 553: { \ ! 554: reg1 = XEXP (addr, 0); \ ! 555: addr = XEXP (addr, 1); \ ! 556: } \ ! 557: else if (GET_CODE (XEXP (addr, 1)) == REG) \ ! 558: { \ ! 559: reg1 = XEXP (addr, 1); \ ! 560: addr = XEXP (addr, 0); \ ! 561: } \ ! 562: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \ ! 563: || GET_CODE (addr) == SIGN_EXTEND) \ ! 564: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \ ! 565: /* for OLD_INDEXING \ ! 566: else if (GET_CODE (addr) == PLUS) \ ! 567: { \ ! 568: if (GET_CODE (XEXP (addr, 0)) == REG) \ ! 569: { \ ! 570: reg2 = XEXP (addr, 0); \ ! 571: addr = XEXP (addr, 1); \ ! 572: } \ ! 573: else if (GET_CODE (XEXP (addr, 1)) == REG) \ ! 574: { \ ! 575: reg2 = XEXP (addr, 1); \ ! 576: addr = XEXP (addr, 0); \ ! 577: } \ ! 578: } \ ! 579: */ \ ! 580: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \ ! 581: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \ ! 582: || GET_CODE (reg1) == MULT)) \ ! 583: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \ ! 584: { breg = reg2; ireg = reg1; } \ ! 585: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \ ! 586: { breg = reg1; ireg = reg2; } \ ! 587: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \ ! 588: { int scale = 1; \ ! 589: if (GET_CODE (ireg) == MULT) \ ! 590: { scale = INTVAL (XEXP (ireg, 1)); \ ! 591: ireg = XEXP (ireg, 0); } \ ! 592: if (GET_CODE (ireg) == SIGN_EXTEND) \ ! 593: fprintf (FILE, "12(%%pc,%s.w", \ ! 594: reg_names[REGNO (XEXP (ireg, 0))]); \ ! 595: else \ ! 596: fprintf (FILE, "12(%%pc,%s.l", \ ! 597: reg_names[REGNO (ireg)]); \ ! 598: if (scale != 1) fprintf (FILE, "*%d", scale); \ ! 599: fprintf (FILE, ")"); \ ! 600: break; } \ ! 601: if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \ ! 602: { fprintf (FILE, "12(%%pc,%s.l", \ ! 603: reg_names[REGNO (breg)]); \ ! 604: putc (')', FILE); \ ! 605: break; } \ ! 606: if (ireg != 0 || breg != 0) \ ! 607: { int scale = 1; \ ! 608: if (breg == 0) \ ! 609: abort (); \ ! 610: if (addr != 0) \ ! 611: output_addr_const (FILE, addr); \ ! 612: fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \ ! 613: if (ireg != 0) \ ! 614: putc (',', FILE); \ ! 615: if (ireg != 0 && GET_CODE (ireg) == MULT) \ ! 616: { scale = INTVAL (XEXP (ireg, 1)); \ ! 617: ireg = XEXP (ireg, 0); } \ ! 618: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \ ! 619: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \ ! 620: else if (ireg != 0) \ ! 621: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \ ! 622: if (scale != 1) fprintf (FILE, "*%d", scale); \ ! 623: putc (')', FILE); \ ! 624: break; \ ! 625: } \ ! 626: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \ ! 627: { fprintf (FILE, "12(%%pc,%s.w)", \ ! 628: reg_names[REGNO (reg1)]); \ ! 629: break; } \ ! 630: default: \ ! 631: if (GET_CODE (addr) == CONST_INT \ ! 632: && INTVAL (addr) < 0x8000 \ ! 633: && INTVAL (addr) >= -0x8000) \ ! 634: fprintf (FILE, "%d", INTVAL (addr)); \ ! 635: else \ ! 636: output_addr_const (FILE, addr); \ ! 637: }} ! 638: ! 639: /* This is how to store into the string LABEL ! 640: the symbol_ref name of an internal numbered label where ! 641: PREFIX is the class of label and NUM is the number within the class. ! 642: This is suitable for output with `assemble_name'. */ ! 643: ! 644: #undef ASM_GENERATE_INTERNAL_LABEL ! 645: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \ ! 646: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM)) ! 647: ! 648: /* This is how to output an internal numbered label where ! 649: PREFIX is the class of label and NUM is the number within the class. */ ! 650: ! 651: #undef ASM_OUTPUT_INTERNAL_LABEL ! 652: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ ! 653: fprintf (FILE, "%s%%%d:\n", PREFIX, NUM) ! 654: ! 655: /* This is how to output a reference to a user-level label named NAME. ! 656: `assemble_name' uses this. */ ! 657: ! 658: #undef ASM_OUTPUT_LABELREF ! 659: #define ASM_OUTPUT_LABELREF(FILE,NAME) \ ! 660: fprintf (FILE, "%s", NAME) ! 661: ! 662: /* This is how to output an element of a case-vector that is absolute. ! 663: (The 68000 does not use such vectors, ! 664: but we must define this macro anyway.) */ ! 665: ! 666: #undef ASM_OUTPUT_ADDR_VEC_ELT ! 667: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ ! 668: fprintf (FILE, "\tlong L%%%d\n", (VALUE)) ! 669: ! 670: /* This is how to output an element of a case-vector that is relative. */ ! 671: ! 672: #undef ASM_OUTPUT_ADDR_DIFF_ELT ! 673: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ ! 674: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL)) ! 675: ! 676: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ ! 677: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \ ! 678: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)) ! 679: ! 680: #if 0 ! 681: /* At end of a switch table, define LD%n iff the symbol LI%n was defined. */ ! 682: #define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \ ! 683: { if (switch_table_difference_label_flag) \ ! 684: asm_fprintf (FILE, "\t%s %LLD%d,%LL%d-%LLI%d-2.b\n",\ ! 685: SET_ASM_OP, (NUM), (NUM), (NUM)) \ ! 686: switch_table_difference_label_flag = 0; } ! 687: #endif ! 688: ! 689: /* We have to define this to avoid errors. */ ! 690: int switch_table_difference_label_flag; ! 691: ! 692: /* Translate some opcodes to fit the sysV68 assembler syntax. */ ! 693: /* The opcodes fdmov and fsmov are guesses. */ ! 694: ! 695: #define SWITCH_JUMP_MATCH "jmp 6(%%pc," ! 696: ! 697: /* [email protected] says no need for .w suffix on jumps. */ ! 698: #undef ASM_OUTPUT_OPCODE ! 699: #define ASM_OUTPUT_OPCODE(FILE, PTR) \ ! 700: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \ ! 701: { ++(PTR); \ ! 702: while (*(PTR) != ' ') \ ! 703: { putc (*(PTR), (FILE)); ++(PTR); } \ ! 704: } \ ! 705: else if ((PTR)[0] == 's') \ ! 706: { \ ! 707: if (!strncmp ((PTR), "swap", 4)) \ ! 708: { fprintf ((FILE), "swap.w"); (PTR) += 4; } \ ! 709: } \ ! 710: else if ((PTR)[0] == 'f') \ ! 711: { \ ! 712: if (!strncmp ((PTR), "fmove", 5)) \ ! 713: { fprintf ((FILE), "fmov"); (PTR) += 5; } \ ! 714: else if (!strncmp ((PTR), "f%$move", 7)) \ ! 715: { if (TARGET_68040_ONLY) \ ! 716: { fprintf ((FILE), "fsmov"); (PTR) += 7; } \ ! 717: else \ ! 718: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \ ! 719: else if (!strncmp ((PTR), "f%&move", 7)) \ ! 720: { if (TARGET_68040_ONLY) \ ! 721: { fprintf ((FILE), "fdmov"); (PTR) += 7; } \ ! 722: else \ ! 723: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \ ! 724: else if (!strncmp ((PTR), "ftst", 4)) \ ! 725: { fprintf ((FILE), "ftest"); (PTR) += 4; } \ ! 726: else if (!strncmp ((PTR), "fbne", 4)) \ ! 727: { fprintf ((FILE), "fbneq"); (PTR) += 4; } \ ! 728: else if (!strncmp ((PTR), "fsne", 4)) \ ! 729: { fprintf ((FILE), "fsneq"); (PTR) += 4; } \ ! 730: } \ ! 731: /* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \ ! 732: else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \ ! 733: && (PTR)[2] == 'v' && (PTR)[3] == 'e') \ ! 734: { fprintf ((FILE), "mov"); (PTR) += 4; \ ! 735: if ((PTR)[0] == 'q' || (PTR)[0] == 'a' \ ! 736: || (PTR)[0] == 'c') (PTR)++; } \ ! 737: /* SUB, SUBQ, SUBA, SUBI ==> SUB */ \ ! 738: else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \ ! 739: && (PTR)[2] == 'b') \ ! 740: { fprintf ((FILE), "sub"); (PTR) += 3; \ ! 741: if ((PTR)[0] == 'q' || (PTR)[0] == 'i' \ ! 742: || (PTR)[0] == 'a') (PTR)++; } \ ! 743: /* CMP, CMPA, CMPI, CMPM ==> CMP */ \ ! 744: else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \ ! 745: && (PTR)[2] == 'p') \ ! 746: { fprintf ((FILE), "cmp"); (PTR) += 3; \ ! 747: if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \ ! 748: || (PTR)[0] == 'm') (PTR)++; } \ ! 749: /* JMP to switch label */ \ ! 750: else if (!strncmp((PTR), (SWITCH_JUMP_MATCH), sizeof(SWITCH_JUMP_MATCH) - 1)) \ ! 751: { while (*(PTR)++ != '('); \ ! 752: fprintf ((FILE), "jmp 8("); } \ ! 753: } ! 754: ! 755: /* [email protected] says to pass SIZE, not ROUNDED. */ ! 756: ! 757: /* This says how to output an assembler line ! 758: to define a global common symbol. */ ! 759: ! 760: #undef ASM_OUTPUT_COMMON ! 761: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ ! 762: ( fputs ("\tcomm ", (FILE)), \ ! 763: assemble_name ((FILE), (NAME)), \ ! 764: fprintf ((FILE), ",%u\n", (SIZE))) ! 765: ! 766: /* This says how to output an assembler line ! 767: to define a local common symbol. */ ! 768: ! 769: #undef ASM_OUTPUT_LOCAL ! 770: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ ! 771: ( fputs ("\tlcomm ", (FILE)), \ ! 772: assemble_name ((FILE), (NAME)), \ ! 773: fprintf ((FILE), ",%u\n", (SIZE))) ! 774: ! 775: ! 776: /* Override usual definitions of SDB output macros. ! 777: These definitions differ only in the absence of the period ! 778: at the beginning of the name of the directive ! 779: and in the use of `~' as the symbol for the current location. */ ! 780: ! 781: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a)) ! 782: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a)) ! 783: #define PUT_SDB_VAL(a) \ ! 784: ( fputs ("\tval\t", asm_out_file), \ ! 785: output_addr_const (asm_out_file, (a)), \ ! 786: fputc (';', asm_out_file)) ! 787: ! 788: #define PUT_SDB_DEF(a) \ ! 789: do { fprintf (asm_out_file, "\tdef\t"); \ ! 790: ASM_OUTPUT_LABELREF (asm_out_file, a); \ ! 791: fprintf (asm_out_file, ";"); } while (0) ! 792: ! 793: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a) ! 794: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file) ! 795: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a) ! 796: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a) ! 797: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t") ! 798: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a) ! 799: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a) ! 800: ! 801: #define PUT_SDB_TAG(a) \ ! 802: do { fprintf (asm_out_file, "\ttag\t"); \ ! 803: ASM_OUTPUT_LABELREF (asm_out_file, a); \ ! 804: fprintf (asm_out_file, ";"); } while (0) ! 805: ! 806: #define PUT_SDB_BLOCK_START(LINE) \ ! 807: fprintf (asm_out_file, \ ! 808: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \ ! 809: (LINE)) ! 810: ! 811: #define PUT_SDB_BLOCK_END(LINE) \ ! 812: fprintf (asm_out_file, \ ! 813: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \ ! 814: (LINE)) ! 815: ! 816: #define PUT_SDB_FUNCTION_START(LINE) \ ! 817: fprintf (asm_out_file, \ ! 818: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \ ! 819: (LINE)) ! 820: ! 821: #define PUT_SDB_FUNCTION_END(LINE) \ ! 822: fprintf (asm_out_file, \ ! 823: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \ ! 824: (LINE)) ! 825: ! 826: #define PUT_SDB_EPILOGUE_END(NAME) \ ! 827: fprintf (asm_out_file, \ ! 828: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \ ! 829: (NAME)) ! 830: ! 831: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \ ! 832: sprintf ((BUFFER), "~%dfake", (NUMBER)); ! 833: ! 834: /* Define subroutines to call to handle multiply, divide, and remainder. ! 835: Use the subroutines that the 3b1's library provides. ! 836: The `*' prevents an underscore from being prepended by the compiler. */ ! 837: ! 838: #define DIVSI3_LIBCALL "*ldiv" ! 839: #define UDIVSI3_LIBCALL "*uldiv" ! 840: #define MODSI3_LIBCALL "*lrem" ! 841: #define UMODSI3_LIBCALL "*ulrem" ! 842: #define MULSI3_LIBCALL "*lmul" ! 843: #define UMULSI3_LIBCALL "*ulmul"
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.