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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: #include "m68k.h" ! 34: ! 35: /* See m68k.h. 7 means 68020 with 68881. */ ! 36: ! 37: #ifndef TARGET_DEFAULT ! 38: #define TARGET_DEFAULT 7 ! 39: #endif ! 40: ! 41: /* NYI: FP= is equivalent to -msoft-float */ ! 42: ! 43: /* We use /lib/libp/lib* when profiling. */ ! 44: ! 45: /* NYI: if FP=M68881U library is -lc881u */ ! 46: /* NYI: if FP= library is -lc. */ ! 47: /* Default for us: FP=M68881 library is -lc881 */ ! 48: #undef LIB_SPEC ! 49: #define LIB_SPEC "%{!shlib:%{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} -lc881}" ! 50: ! 51: #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}" ! 52: ! 53: /* Shared libraries need to use crt0s.o */ ! 54: ! 55: #undef STARTFILE_SPEC ! 56: #define STARTFILE_SPEC \ ! 57: "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\ ! 58: %{shlib:crt0s.o%s shlib.ifile%s} " ! 59: ! 60: /* Generate calls to memcpy, memcmp and memset. */ ! 61: ! 62: #define TARGET_MEM_FUNCTIONS ! 63: ! 64: /* Every structure or union's size must be a multiple of 2 bytes. */ ! 65: ! 66: #define STRUCTURE_SIZE_BOUNDARY 16 ! 67: ! 68: /* cpp has to support a #sccs directive for the /usr/include files */ ! 69: ! 70: #define SCCS_DIRECTIVE ! 71: ! 72: /* Make output for SDB. */ ! 73: ! 74: #define SDB_DEBUGGING_INFO ! 75: ! 76: #undef REGISTER_NAMES ! 77: #define REGISTER_NAMES \ ! 78: {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ ! 79: "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \ ! 80: "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"} ! 81: ! 82: #undef FUNCTION_PROLOGUE ! 83: #define FUNCTION_PROLOGUE(FILE, SIZE) \ ! 84: { register int regno; \ ! 85: register int mask = 0; \ ! 86: extern char call_used_regs[]; \ ! 87: int fsize = (SIZE); \ ! 88: if (frame_pointer_needed) \ ! 89: { if (fsize < 0x8000) \ ! 90: fprintf (FILE, "\tlink.w %%fp,&%d\n", -fsize); \ ! 91: else if (TARGET_68020) \ ! 92: fprintf (FILE, "\tlink.l %%fp,&%d\n", -fsize); \ ! 93: else \ ! 94: fprintf (FILE, "\tlink.w %%fp,&0\n\tsub.l &%d,%%sp\n", fsize); } \ ! 95: for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \ ! 96: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 97: mask |= 1 << (regno - 16); \ ! 98: if (mask != 0) \ ! 99: fprintf (FILE, "\tfmovem &0x%x,-(%%sp)\n", mask & 0xff); \ ! 100: mask = 0; \ ! 101: for (regno = 0; regno < 16; regno++) \ ! 102: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 103: mask |= 1 << (15 - regno); \ ! 104: if (frame_pointer_needed) \ ! 105: mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \ ! 106: if (exact_log2 (mask) >= 0) \ ! 107: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \ ! 108: else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); } ! 109: ! 110: #undef FUNCTION_PROFILER ! 111: #define FUNCTION_PROFILER(FILE, LABEL_NO) \ ! 112: fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO)) ! 113: ! 114: #undef FUNCTION_EPILOGUE ! 115: #define FUNCTION_EPILOGUE(FILE, SIZE) \ ! 116: { register int regno; \ ! 117: register int mask, fmask; \ ! 118: register int nregs; \ ! 119: int offset, foffset; \ ! 120: extern char call_used_regs[]; \ ! 121: int fsize = (SIZE); \ ! 122: int big = 0; \ ! 123: nregs = 0; fmask = 0; \ ! 124: for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \ ! 125: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 126: { nregs++; fmask |= 1 << (23 - regno); } \ ! 127: foffset = nregs * 12; \ ! 128: nregs = 0; mask = 0; \ ! 129: if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \ ! 130: for (regno = 0; regno < 16; regno++) \ ! 131: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 132: { nregs++; mask |= 1 << regno; } \ ! 133: offset = foffset + nregs * 4; \ ! 134: if (offset + fsize >= 0x8000 && frame_pointer_needed) \ ! 135: { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \ ! 136: fsize = 0, big = 1; } \ ! 137: if (exact_log2 (mask) >= 0) { \ ! 138: if (big) \ ! 139: fprintf (FILE, "\tmov.l -%d(%%fp,%%a0.l),%s\n", \ ! 140: offset + fsize, reg_names[exact_log2 (mask)]); \ ! 141: else if (! frame_pointer_needed) \ ! 142: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \ ! 143: reg_names[exact_log2 (mask)]); \ ! 144: else \ ! 145: fprintf (FILE, "\tmov.l -%d(%%fp),%s\n", \ ! 146: offset + fsize, reg_names[exact_log2 (mask)]); } \ ! 147: else if (mask) { \ ! 148: if (big) \ ! 149: fprintf (FILE, "\tmovm.l -%d(%%fp,%%a0.l),&0x%x\n", \ ! 150: offset + fsize, mask); \ ! 151: else if (! frame_pointer_needed) \ ! 152: fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \ ! 153: else \ ! 154: fprintf (FILE, "\tmovm.l -%d(%%fp),&0x%x\n", \ ! 155: offset + fsize, mask); } \ ! 156: if (fmask) { \ ! 157: if (big) \ ! 158: fprintf (FILE, "\tfmovem -%d(%%fp,%%a0.l),&0x%x\n", \ ! 159: foffset + fsize, fmask); \ ! 160: else if (! frame_pointer_needed) \ ! 161: fprintf (FILE, "\tfmovem (%%sp)+,&0x%x\n", fmask); \ ! 162: else \ ! 163: fprintf (FILE, "\tfmovem -%d(%%fp),&0x%x\n", \ ! 164: foffset + fsize, fmask); } \ ! 165: if (frame_pointer_needed) \ ! 166: fprintf (FILE, "\tunlk %%fp\n"); \ ! 167: if (current_function_pops_args) \ ! 168: fprintf (FILE, "\trtd &%d\n", current_function_pops_args); \ ! 169: else fprintf (FILE, "\trts\n"); } ! 170: ! 171: /* This is how to output an insn to push a register on the stack. ! 172: It need not be very fast code. */ ! 173: ! 174: #undef ASM_OUTPUT_REG_PUSH ! 175: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ ! 176: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO]) ! 177: ! 178: /* This is how to output an insn to pop a register from the stack. ! 179: It need not be very fast code. */ ! 180: ! 181: #undef ASM_OUTPUT_REG_POP ! 182: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \ ! 183: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO]) ! 184: ! 185: #undef ASM_APP_ON ! 186: #define ASM_APP_ON "" ! 187: ! 188: #undef ASM_APP_OFF ! 189: #define ASM_APP_OFF "" ! 190: ! 191: /* We like aligned sources, and maybe our as will like them. */ ! 192: ! 193: #undef TEXT_SECTION_ASM_OP ! 194: #define TEXT_SECTION_ASM_OP "\ttext" ! 195: #undef DATA_SECTION_ASM_OP ! 196: #define DATA_SECTION_ASM_OP "\tdata" ! 197: #undef ASCII_DATA_ASM_OP ! 198: #define ASCII_DATA_ASM_OP "\tbyte" ! 199: ! 200: /* The file command should always begin the output. */ ! 201: ! 202: #undef ASM_FILE_START ! 203: #define ASM_FILE_START(FILE) \ ! 204: output_file_directive ((FILE), main_input_filename) ! 205: ! 206: /* Don't try to define `gcc_compiled.' since the assembler might not ! 207: accept symbols with periods and GDB doesn't run on this machine anyway. */ ! 208: ! 209: #define ASM_IDENTIFY_GCC(FILE) ! 210: ! 211: /* Names to predefine in the preprocessor for this target machine. */ ! 212: /* [email protected] says mc68000 and m68k should not be here, ! 213: on the other hand I don't care what he says. */ ! 214: ! 215: #undef CPP_PREDEFINES ! 216: #define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68" ! 217: ! 218: /* Specify how to pad function arguments. ! 219: Value should be `upward', `downward' or `none'. ! 220: Same as the default, except no padding for large or variable-size args. */ ! 221: ! 222: #define FUNCTION_ARG_PADDING(MODE, TYPE) \ ! 223: (((MODE) == BLKmode \ ! 224: ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \ ! 225: && int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \ ! 226: : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \ ! 227: ? downward : none) ! 228: ! 229: /* Override part of the obstack macros. */ ! 230: ! 231: #define __PTR_TO_INT(P) ((int)(P)) ! 232: #define __INT_TO_PTR(P) ((char *)(P)) ! 233: ! 234: #undef TARGET_VERSION ! 235: #define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)"); ! 236: ! 237: /* Function calls save all but a0, a1, d0, d1, fp0, fp1. */ ! 238: ! 239: #undef CALL_USED_REGISTERS ! 240: #define CALL_USED_REGISTERS \ ! 241: {1, 1, 0, 0, 0, 0, 0, 0, \ ! 242: 1, 1, 0, 0, 0, 0, 0, 1, \ ! 243: 1, 1, 0, 0, 0, 0, 0, 0} ! 244: ! 245: /* If TARGET_68881, return SF and DF values in fp0 instead of d0. */ ! 246: /* NYI: If FP=M68881U return SF and DF values in d0. */ ! 247: /* NYI: If -mold return pointer in a0 and d0 */ ! 248: ! 249: #undef FUNCTION_VALUE ! 250: #define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE(TYPE_MODE(VALTYPE)) ! 251: ! 252: /* sysV68 (brain damaged) cc convention support. */ ! 253: /* Commented out until we find a safe way to make it optional. */ ! 254: #if 0 ! 255: #define FUNCTION_VALUE(VALTYPE,FUNC) \ ! 256: (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \ ! 257: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16) \ ! 258: : (TREE_CODE (VALTYPE) == POINTER_TYPE \ ! 259: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \ ! 260: : gen_rtx (REG, TYPE_MODE (VALTYPE), 0))) ! 261: #endif ! 262: ! 263: /* If TARGET_68881, SF and DF values are returned in fp0 instead of d0. */ ! 264: ! 265: #undef LIBCALL_VALUE ! 266: #define LIBCALL_VALUE(MODE) \ ! 267: gen_rtx (REG, (MODE), ((TARGET_68881 && ((MODE) == SFmode || (MODE) == DFmode)) ? 16 : 0)) ! 268: ! 269: /* 1 if N is a possible register number for a function value. ! 270: d0 may be used, and fp0 as well if -msoft-float is not specified. */ ! 271: ! 272: #undef FUNCTION_VALUE_REGNO_P ! 273: #define FUNCTION_VALUE_REGNO_P(N) \ ! 274: ((N) == 0 || (TARGET_68881 && (N) == 16)) ! 275: ! 276: /* sysV68 (brain damaged) cc convention support. */ ! 277: /* Commented out until we find a safe way to make it optional. */ ! 278: #if 0 ! 279: #define FUNCTION_VALUE_REGNO_P(N) \ ! 280: ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16)) ! 281: #endif ! 282: ! 283: /* This is how to output a command to make the user-level label named NAME ! 284: defined for reference from other files. */ ! 285: ! 286: #undef ASM_GLOBALIZE_LABEL ! 287: #define ASM_GLOBALIZE_LABEL(FILE,NAME) \ ! 288: do { fputs ("\tglobal ", FILE); assemble_name (FILE, NAME); fputs ("\n", FILE);} while (0) ! 289: ! 290: /* Store in OUTPUT a string (made with alloca) containing ! 291: an assembler-name for a local static variable named NAME. ! 292: LABELNO is an integer which is different for each call. */ ! 293: ! 294: #undef ASM_FORMAT_PRIVATE_NAME ! 295: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ ! 296: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \ ! 297: sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO))) ! 298: ! 299: /* The sysV68 as doesn't know about double's and float's. */ ! 300: ! 301: #undef ASM_OUTPUT_DOUBLE ! 302: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ ! 303: do { union { double d; long l[2]; } tem; \ ! 304: tem.d = (VALUE); \ ! 305: fprintf(FILE, "\tlong 0x%x,0x%x\n", tem.l[0], tem.l[1]); \ ! 306: } while (0) ! 307: ! 308: #undef ASM_OUTPUT_FLOAT ! 309: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \ ! 310: do { union { float f; long l;} tem; \ ! 311: tem.f = (VALUE); \ ! 312: fprintf (FILE, "\tlong 0x%x\n", tem.l); \ ! 313: } while (0) ! 314: ! 315: /* This is how to output an assembler line defining an `int' constant. */ ! 316: ! 317: #undef ASM_OUTPUT_INT ! 318: #define ASM_OUTPUT_INT(FILE,VALUE) \ ! 319: ( fprintf (FILE, "\tlong "), \ ! 320: output_addr_const (FILE, (VALUE)), \ ! 321: fprintf (FILE, "\n")) ! 322: ! 323: /* Likewise for `char' and `short' constants. */ ! 324: ! 325: #undef ASM_OUTPUT_SHORT ! 326: #define ASM_OUTPUT_SHORT(FILE,VALUE) \ ! 327: ( fprintf (FILE, "\tshort "), \ ! 328: output_addr_const (FILE, (VALUE)), \ ! 329: fprintf (FILE, "\n")) ! 330: ! 331: #undef ASM_OUTPUT_CHAR ! 332: #define ASM_OUTPUT_CHAR(FILE,VALUE) \ ! 333: ( fprintf (FILE, "\tbyte "), \ ! 334: output_addr_const (FILE, (VALUE)), \ ! 335: fprintf (FILE, "\n")) ! 336: ! 337: /* This is how to output an assembler line for a numeric constant byte. */ ! 338: ! 339: #undef ASM_OUTPUT_BYTE ! 340: #define ASM_OUTPUT_BYTE(FILE,VALUE) \ ! 341: fprintf (FILE, "\tbyte 0x%x\n", (VALUE)) ! 342: ! 343: /* This is how to output an assembler line ! 344: that says to advance the location counter ! 345: to a multiple of 2**LOG bytes. */ ! 346: ! 347: #undef ASM_OUTPUT_ALIGN ! 348: #define ASM_OUTPUT_ALIGN(FILE,LOG) \ ! 349: if ((LOG) == 1) \ ! 350: fprintf (FILE, "\teven\n"); \ ! 351: else if ((LOG) != 0) \ ! 352: abort (); ! 353: ! 354: #undef ASM_OUTPUT_SKIP ! 355: #define ASM_OUTPUT_SKIP(FILE,SIZE) \ ! 356: fprintf (FILE, "\tspace %u\n", (SIZE)) ! 357: ! 358: /* Can't use ASM_OUTPUT_SKIP in text section. */ ! 359: ! 360: #define ASM_NO_SKIP_IN_TEXT 1 ! 361: ! 362: /* The beginnings of sdb support... */ ! 363: ! 364: #undef ASM_OUTPUT_SOURCE_FILENAME ! 365: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \ ! 366: fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME) ! 367: ! 368: #undef ASM_OUTPUT_SOURCE_LINE ! 369: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \ ! 370: fprintf (FILE, "\tln\t%d\n", \ ! 371: (sdb_begin_function_line \ ! 372: ? last_linenum - sdb_begin_function_line : 1)) ! 373: ! 374: /* Yet another null terminated string format. */ ! 375: ! 376: #undef ASM_OUTPUT_ASCII ! 377: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \ ! 378: { register int sp = 0, lp = 0; \ ! 379: fprintf ((FILE), "\tbyte\t"); \ ! 380: loop: \ ! 381: if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \ ! 382: { lp += 3; \ ! 383: fprintf ((FILE), "'%c", (PTR)[sp]); } \ ! 384: else \ ! 385: { lp += 5; \ ! 386: fprintf ((FILE), "0x%x", (PTR)[sp]); } \ ! 387: if (++sp < (LEN)) \ ! 388: { if (lp > 60) \ ! 389: { lp = 0; \ ! 390: fprintf ((FILE), "\n%s ", ASCII_DATA_ASM_OP); } \ ! 391: else \ ! 392: putc (',', (FILE)); \ ! 393: goto loop; } \ ! 394: putc ('\n', (FILE)); } ! 395: ! 396: /* Print operand X (an rtx) in assembler syntax to file FILE. ! 397: CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. ! 398: For `%' followed by punctuation, CODE is the punctuation and X is null. ! 399: ! 400: On the 68000, we use several CODE characters: ! 401: '.' for dot needed in Motorola-style opcode names. ! 402: '-' for an operand pushing on the stack: ! 403: sp@-, -(sp) or -(%sp) depending on the style of syntax. ! 404: '+' for an operand pushing on the stack: ! 405: sp@+, (sp)+ or (%sp)+ depending on the style of syntax. ! 406: '@' for a reference to the top word on the stack: ! 407: sp@, (sp) or (%sp) depending on the style of syntax. ! 408: '#' for an immediate operand prefix (# in MIT and Motorola syntax ! 409: but & in SGS syntax). ! 410: '!' for the cc register (used in an `and to cc' insn). ! 411: '$' for the letter `s' in an op code, but only on the 68040. ! 412: '&' for the letter `d' in an op code, but only on the 68040. ! 413: ! 414: 'b' for byte insn (no effect, on the Sun; this is for the ISI). ! 415: 'd' to force memory addressing to be absolute, not relative. ! 416: 'f' for float insn (print a CONST_DOUBLE as a float rather than in hex) ! 417: 'w' for FPA insn (print a CONST_DOUBLE as a SunFPA constant rather ! 418: than directly). Second part of 'y' below. ! 419: 'x' for float insn (print a CONST_DOUBLE as a float rather than in hex), ! 420: or print pair of registers as rx:ry. ! 421: 'y' for a FPA insn (print pair of registers as rx:ry). This also outputs ! 422: CONST_DOUBLE's as SunFPA constant RAM registers if ! 423: possible, so it should not be used except for the SunFPA. */ ! 424: ! 425: #undef PRINT_OPERAND ! 426: #define PRINT_OPERAND(FILE, X, CODE) \ ! 427: { if (CODE == '.') fprintf (FILE, "."); \ ! 428: else if (CODE == '#') fprintf (FILE, "&"); \ ! 429: else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \ ! 430: else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \ ! 431: else if (CODE == '@') fprintf (FILE, "(%%sp)"); \ ! 432: else if (CODE == '!') fprintf (FILE, "%%cc"); \ ! 433: else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \ ! 434: else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \ ! 435: else if (GET_CODE (X) == REG) \ ! 436: fprintf (FILE, "%s", reg_names[REGNO (X)]); \ ! 437: else if (GET_CODE (X) == MEM) \ ! 438: output_address (XEXP (X, 0)); \ ! 439: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \ ! 440: { union { double d; int i[2]; } u; \ ! 441: union { float f; int i; } u1; \ ! 442: u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \ ! 443: u1.f = u.d; \ ! 444: /* Use hex representation even if CODE is f. as needs it. */ \ ! 445: if (CODE == 'f') \ ! 446: fprintf (FILE, "&0x%x", u1.i); \ ! 447: else \ ! 448: fprintf (FILE, "&0x%x", u1.i); } \ ! 449: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \ ! 450: { union { double d; int i[2]; } u; \ ! 451: PRINT_OPERAND_EXTRACT_FLOAT (X); \ ! 452: fprintf (FILE, "&0x%08x%08x", u.i[0], u.i[1]); } \ ! 453: else { putc ('&', FILE); output_addr_const (FILE, X); }} ! 454: ! 455: #undef PRINT_OPERAND_ADDRESS ! 456: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ ! 457: { register rtx reg1, reg2, breg, ireg; \ ! 458: register rtx addr = ADDR; \ ! 459: rtx offset; \ ! 460: switch (GET_CODE (addr)) \ ! 461: { \ ! 462: case REG: \ ! 463: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \ ! 464: break; \ ! 465: case PRE_DEC: \ ! 466: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \ ! 467: break; \ ! 468: case POST_INC: \ ! 469: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \ ! 470: break; \ ! 471: case PLUS: \ ! 472: reg1 = 0; reg2 = 0; \ ! 473: ireg = 0; breg = 0; \ ! 474: offset = 0; \ ! 475: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \ ! 476: { \ ! 477: offset = XEXP (addr, 0); \ ! 478: addr = XEXP (addr, 1); \ ! 479: } \ ! 480: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \ ! 481: { \ ! 482: offset = XEXP (addr, 1); \ ! 483: addr = XEXP (addr, 0); \ ! 484: } \ ! 485: if (GET_CODE (addr) != PLUS) ; \ ! 486: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \ ! 487: { \ ! 488: reg1 = XEXP (addr, 0); \ ! 489: addr = XEXP (addr, 1); \ ! 490: } \ ! 491: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \ ! 492: { \ ! 493: reg1 = XEXP (addr, 1); \ ! 494: addr = XEXP (addr, 0); \ ! 495: } \ ! 496: else if (GET_CODE (XEXP (addr, 0)) == MULT) \ ! 497: { \ ! 498: reg1 = XEXP (addr, 0); \ ! 499: addr = XEXP (addr, 1); \ ! 500: } \ ! 501: else if (GET_CODE (XEXP (addr, 1)) == MULT) \ ! 502: { \ ! 503: reg1 = XEXP (addr, 1); \ ! 504: addr = XEXP (addr, 0); \ ! 505: } \ ! 506: else if (GET_CODE (XEXP (addr, 0)) == REG) \ ! 507: { \ ! 508: reg1 = XEXP (addr, 0); \ ! 509: addr = XEXP (addr, 1); \ ! 510: } \ ! 511: else if (GET_CODE (XEXP (addr, 1)) == REG) \ ! 512: { \ ! 513: reg1 = XEXP (addr, 1); \ ! 514: addr = XEXP (addr, 0); \ ! 515: } \ ! 516: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \ ! 517: || GET_CODE (addr) == SIGN_EXTEND) \ ! 518: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \ ! 519: /* for OLD_INDEXING \ ! 520: else if (GET_CODE (addr) == PLUS) \ ! 521: { \ ! 522: if (GET_CODE (XEXP (addr, 0)) == REG) \ ! 523: { \ ! 524: reg2 = XEXP (addr, 0); \ ! 525: addr = XEXP (addr, 1); \ ! 526: } \ ! 527: else if (GET_CODE (XEXP (addr, 1)) == REG) \ ! 528: { \ ! 529: reg2 = XEXP (addr, 1); \ ! 530: addr = XEXP (addr, 0); \ ! 531: } \ ! 532: } \ ! 533: */ \ ! 534: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \ ! 535: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \ ! 536: || GET_CODE (reg1) == MULT)) \ ! 537: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \ ! 538: { breg = reg2; ireg = reg1; } \ ! 539: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \ ! 540: { breg = reg1; ireg = reg2; } \ ! 541: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \ ! 542: { int scale = 1; \ ! 543: if (GET_CODE (ireg) == MULT) \ ! 544: { scale = INTVAL (XEXP (ireg, 1)); \ ! 545: ireg = XEXP (ireg, 0); } \ ! 546: if (GET_CODE (ireg) == SIGN_EXTEND) \ ! 547: fprintf (FILE, "12(%%pc,%s.w", \ ! 548: reg_names[REGNO (XEXP (ireg, 0))]); \ ! 549: else \ ! 550: fprintf (FILE, "12(%%pc,%s.l", \ ! 551: reg_names[REGNO (ireg)]); \ ! 552: if (scale != 1) fprintf (FILE, "*%d", scale); \ ! 553: fprintf (FILE, ")"); \ ! 554: break; } \ ! 555: if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \ ! 556: { fprintf (FILE, "12(%%pc,%s.l", \ ! 557: reg_names[REGNO (breg)]); \ ! 558: putc (')', FILE); \ ! 559: break; } \ ! 560: if (ireg != 0 || breg != 0) \ ! 561: { int scale = 1; \ ! 562: if (breg == 0) \ ! 563: abort (); \ ! 564: if (addr != 0) \ ! 565: output_addr_const (FILE, addr); \ ! 566: fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \ ! 567: if (ireg != 0) \ ! 568: putc (',', FILE); \ ! 569: if (ireg != 0 && GET_CODE (ireg) == MULT) \ ! 570: { scale = INTVAL (XEXP (ireg, 1)); \ ! 571: ireg = XEXP (ireg, 0); } \ ! 572: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \ ! 573: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \ ! 574: else if (ireg != 0) \ ! 575: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \ ! 576: if (scale != 1) fprintf (FILE, "*%d", scale); \ ! 577: putc (')', FILE); \ ! 578: break; \ ! 579: } \ ! 580: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \ ! 581: { fprintf (FILE, "12(%%pc,%s.w)", \ ! 582: reg_names[REGNO (reg1)]); \ ! 583: break; } \ ! 584: default: \ ! 585: if (GET_CODE (addr) == CONST_INT \ ! 586: && INTVAL (addr) < 0x8000 \ ! 587: && INTVAL (addr) >= -0x8000) \ ! 588: fprintf (FILE, "%d", INTVAL (addr)); \ ! 589: else \ ! 590: output_addr_const (FILE, addr); \ ! 591: }} ! 592: ! 593: /* This is how to store into the string LABEL ! 594: the symbol_ref name of an internal numbered label where ! 595: PREFIX is the class of label and NUM is the number within the class. ! 596: This is suitable for output with `assemble_name'. */ ! 597: ! 598: #undef ASM_GENERATE_INTERNAL_LABEL ! 599: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \ ! 600: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM)) ! 601: ! 602: /* This is how to output an internal numbered label where ! 603: PREFIX is the class of label and NUM is the number within the class. */ ! 604: ! 605: #undef ASM_OUTPUT_INTERNAL_LABEL ! 606: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ ! 607: fprintf (FILE, "%s%%%d:\n", PREFIX, NUM) ! 608: ! 609: /* This is how to output a reference to a user-level label named NAME. ! 610: `assemble_name' uses this. */ ! 611: ! 612: #undef ASM_OUTPUT_LABELREF ! 613: #define ASM_OUTPUT_LABELREF(FILE,NAME) \ ! 614: fprintf (FILE, "%s", NAME) ! 615: ! 616: /* This is how to output an element of a case-vector that is absolute. ! 617: (The 68000 does not use such vectors, ! 618: but we must define this macro anyway.) */ ! 619: ! 620: #undef ASM_OUTPUT_ADDR_VEC_ELT ! 621: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ ! 622: fprintf (FILE, "\tlong L%%%d\n", (VALUE)) ! 623: ! 624: /* This is how to output an element of a case-vector that is relative. */ ! 625: ! 626: #undef ASM_OUTPUT_ADDR_DIFF_ELT ! 627: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ ! 628: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL)) ! 629: ! 630: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ ! 631: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \ ! 632: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)) ! 633: ! 634: /* Translate some opcodes to fit the sysV68 assembler syntax. */ ! 635: /* The opcodes fdmov and fsmov are guesses. */ ! 636: ! 637: #define SWITCH_JUMP_MATCH "jmp 6(%%pc," ! 638: ! 639: #undef ASM_OUTPUT_OPCODE ! 640: #define ASM_OUTPUT_OPCODE(FILE, PTR) \ ! 641: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \ ! 642: { ++(PTR); \ ! 643: while (*(PTR) != ' ') \ ! 644: { putc (*(PTR), (FILE)); ++(PTR); } \ ! 645: fprintf ((FILE), ".w"); } \ ! 646: else if ((PTR)[0] == 'f') \ ! 647: { \ ! 648: if (!strncmp ((PTR), "fmove", 5)) \ ! 649: { fprintf ((FILE), "fmov"); (PTR) += 5; } \ ! 650: else if (!strncmp ((PTR), "f%$move", 7)) \ ! 651: { if (TARGET_68040_ONLY) \ ! 652: { fprintf ((FILE), "fsmov"); (PTR) += 7; } \ ! 653: else \ ! 654: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \ ! 655: else if (!strncmp ((PTR), "f%&move", 7)) \ ! 656: { if (TARGET_68040_ONLY) \ ! 657: { fprintf ((FILE), "fdmov"); (PTR) += 7; } \ ! 658: else \ ! 659: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \ ! 660: else if (!strncmp ((PTR), "ftst", 4)) \ ! 661: { fprintf ((FILE), "ftest"); (PTR) += 4; } \ ! 662: else if (!strncmp ((PTR), "fbne", 4)) \ ! 663: { fprintf ((FILE), "fbneq"); (PTR) += 4; } \ ! 664: else if (!strncmp ((PTR), "fsne", 4)) \ ! 665: { fprintf ((FILE), "fsneq"); (PTR) += 4; } \ ! 666: } \ ! 667: /* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \ ! 668: else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \ ! 669: && (PTR)[2] == 'v' && (PTR)[3] == 'e') \ ! 670: { fprintf ((FILE), "mov"); (PTR) += 4; \ ! 671: if ((PTR)[0] == 'q' || (PTR)[0] == 'a' || \ ! 672: (PTR)[0] == 'c') (PTR)++; } \ ! 673: /* SUB, SUBQ, SUBA, SUBI ==> SUB */ \ ! 674: else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \ ! 675: && (PTR)[2] == 'b') \ ! 676: { fprintf ((FILE), "sub"); (PTR) += 3; \ ! 677: if ((PTR)[0] == 'q' || (PTR)[0] == 'i' || \ ! 678: (PTR)[0] == 'a') (PTR)++; } \ ! 679: /* CMP, CMPA, CMPI, CMPM ==> CMP */ \ ! 680: else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \ ! 681: && (PTR)[2] == 'p') \ ! 682: { fprintf ((FILE), "cmp"); (PTR) += 3; \ ! 683: if ((PTR)[0] == 'a' || (PTR)[0] == 'i' || \ ! 684: (PTR)[0] == 'm') (PTR)++; } \ ! 685: /* JMP to switch label */ \ ! 686: else if (!strncmp((PTR), (SWITCH_JUMP_MATCH), sizeof(SWITCH_JUMP_MATCH) - 1)) \ ! 687: { while (*(PTR)++ != '('); \ ! 688: fprintf ((FILE), "jmp 8("); } \ ! 689: } ! 690: ! 691: /* This says how to output an assembler line ! 692: to define a global common symbol. */ ! 693: ! 694: #undef ASM_OUTPUT_COMMON ! 695: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ ! 696: ( fputs ("\tcomm ", (FILE)), \ ! 697: assemble_name ((FILE), (NAME)), \ ! 698: fprintf ((FILE), ",%u\n", (ROUNDED))) ! 699: ! 700: /* This says how to output an assembler line ! 701: to define a local common symbol. */ ! 702: ! 703: #undef ASM_OUTPUT_LOCAL ! 704: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ ! 705: ( fputs ("\tlcomm ", (FILE)), \ ! 706: assemble_name ((FILE), (NAME)), \ ! 707: fprintf ((FILE), ",%u\n", (ROUNDED))) ! 708: ! 709: ! 710: /* Override usual definitions of SDB output macros. ! 711: These definitions differ only in the absence of the period ! 712: at the beginning of the name of the directive ! 713: and in the use of `~' as the symbol for the current location. */ ! 714: ! 715: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a)) ! 716: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a)) ! 717: #define PUT_SDB_VAL(a) \ ! 718: ( fputs ("\tval\t", asm_out_file), \ ! 719: output_addr_const (asm_out_file, (a)), \ ! 720: fputc (';', asm_out_file)) ! 721: ! 722: #define PUT_SDB_DEF(a) \ ! 723: do { fprintf (asm_out_file, "\tdef\t"); \ ! 724: ASM_OUTPUT_LABELREF (asm_out_file, a); \ ! 725: fprintf (asm_out_file, ";"); } while (0) ! 726: ! 727: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a) ! 728: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file) ! 729: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a) ! 730: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a) ! 731: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t") ! 732: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a) ! 733: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a) ! 734: ! 735: #define PUT_SDB_TAG(a) \ ! 736: do { fprintf (asm_out_file, "\ttag\t"); \ ! 737: ASM_OUTPUT_LABELREF (asm_out_file, a); \ ! 738: fprintf (asm_out_file, ";"); } while (0) ! 739: ! 740: #define PUT_SDB_BLOCK_START(LINE) \ ! 741: fprintf (asm_out_file, \ ! 742: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \ ! 743: (LINE)) ! 744: ! 745: #define PUT_SDB_BLOCK_END(LINE) \ ! 746: fprintf (asm_out_file, \ ! 747: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \ ! 748: (LINE)) ! 749: ! 750: #define PUT_SDB_FUNCTION_START(LINE) \ ! 751: fprintf (asm_out_file, \ ! 752: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \ ! 753: (LINE)) ! 754: ! 755: #define PUT_SDB_FUNCTION_END(LINE) \ ! 756: fprintf (asm_out_file, \ ! 757: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \ ! 758: (LINE)) ! 759: ! 760: #define PUT_SDB_EPILOGUE_END(NAME) \ ! 761: fprintf (asm_out_file, \ ! 762: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \ ! 763: (NAME)) ! 764: ! 765: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \ ! 766: sprintf ((BUFFER), "~%dfake", (NUMBER)); ! 767: ! 768: /* Define subroutines to call to handle multiply, divide, and remainder. ! 769: Use the subroutines that the 3b1's library provides. ! 770: The `*' prevents an underscore from being prepended by the compiler. */ ! 771: ! 772: #define DIVSI3_LIBCALL "*ldiv" ! 773: #define UDIVSI3_LIBCALL "*uldiv" ! 774: #define MODSI3_LIBCALL "*lrem" ! 775: #define UMODSI3_LIBCALL "*ulrem" ! 776: #define MULSI3_LIBCALL "*lmul" ! 777: #define UMULSI3_LIBCALL "*ulmul"
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