![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to convex.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [GCC 2.x] / gcc / config|
Return to convex.h CVS log | Up to [GCC 2.x] / gcc / config |
1.1 ! root 1: /* Definitions of target machine for GNU compiler. Convex version. ! 2: Copyright (C) 1992 Free Software Foundation, Inc. ! 3: ! 4: This file is part of GNU CC. ! 5: ! 6: GNU CC is free software; you can redistribute it and/or modify ! 7: it under the terms of the GNU General Public License as published by ! 8: the Free Software Foundation; either version 2, or (at your option) ! 9: any later version. ! 10: ! 11: GNU CC is distributed in the hope that it will be useful, ! 12: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 14: GNU General Public License for more details. ! 15: ! 16: You should have received a copy of the GNU General Public License ! 17: along with GNU CC; see the file COPYING. If not, write to ! 18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ ! 19: ! 20: ! 21: /* Standard GCC variables that we reference. */ ! 22: ! 23: extern int target_flags; ! 24: ! 25: /* Interface to convex.c. */ ! 26: ! 27: extern int current_section_is_text; ! 28: extern int const_double_low_int (); ! 29: extern int const_double_high_int (); ! 30: extern char *set_cmp (), *gen_cmp (); ! 31: extern char *output_call (); ! 32: ! 33: /* Use the proper incantation to search Posix-compliant libraries. */ ! 34: ! 35: #define LINK_SPEC \ ! 36: "%{!traditional:-Eposix}%{traditional:-Enoposix}\ ! 37: -A__iob=___ap$iob\ ! 38: -A_use_libc_sema=___ap$use_libc_sema\ ! 39: -L /usr/lib" ! 40: ! 41: /* Use the matching startup files. */ ! 42: ! 43: #define STARTFILE_SPEC \ ! 44: "%{pg:/usr/lib/crt/gcrt0.o}\ ! 45: %{!pg:%{p:/usr/lib/crt/mcrt0.o}\ ! 46: %{!p:/usr/lib/crt/crt0.o}}" ! 47: ! 48: /* Names to predefine in the preprocessor for this target machine. */ ! 49: ! 50: #define CPP_PREDEFINES "-Dconvex -Dunix" ! 51: ! 52: /* Print subsidiary information on the compiler version in use. */ ! 53: ! 54: #define TARGET_VERSION fprintf (stderr, " (convex)"); ! 55: ! 56: /* Macros used in the machine description to test the flags. */ ! 57: ! 58: /* ! 59: -mc1 C1 target (avoid C2-only instructions) ! 60: -mc2 C2 target ! 61: -mc32 vitesse ! 62: -mc34 javelin ! 63: -mc38 neptune ! 64: -margcount use standard calling sequence, with arg count word ! 65: -mnoargcount don't push arg count, depend on symbol table ! 66: */ ! 67: ! 68: #define TARGET_C1 (target_flags & 1) ! 69: #define TARGET_C2 (target_flags & 2) ! 70: #define TARGET_C34 (target_flags & 4) ! 71: #define TARGET_C38 (target_flags & 010) ! 72: #define TARGET_INDIRECTS (target_flags & 020) ! 73: #define TARGET_ARGCOUNT (target_flags & 040) ! 74: ! 75: /* Macro to define tables used to set the flags. ! 76: This is a list in braces of pairs in braces, ! 77: each pair being { "NAME", VALUE } ! 78: where VALUE is the bits to set or minus the bits to clear. ! 79: An empty string NAME is used to identify the default VALUE. */ ! 80: ! 81: #define TARGET_SWITCHES \ ! 82: { { "c1", 021 }, \ ! 83: { "c2", 022 }, \ ! 84: { "c32", 022 }, \ ! 85: { "c34", 006 }, \ ! 86: { "c38", 012 }, \ ! 87: { "noc1", -001 }, \ ! 88: { "noc2", -022 }, \ ! 89: { "argcount", 040 }, \ ! 90: { "noargcount", -040 }, \ ! 91: { "", TARGET_DEFAULT }} ! 92: ! 93: /* Default target_flags if no switches specified. */ ! 94: ! 95: #ifndef TARGET_DEFAULT ! 96: #define TARGET_DEFAULT 0 ! 97: #endif ! 98: ! 99: /* Allow $ in identifiers. */ ! 100: ! 101: #define DOLLARS_IN_IDENTIFIERS 2 ! 102: ! 103: /* Target machine storage layout */ ! 104: ! 105: /* Define this if most significant bit is lowest numbered ! 106: in instructions that operate on numbered bit-fields. */ ! 107: #define BITS_BIG_ENDIAN 1 ! 108: ! 109: /* Define this if most significant byte of a word is the lowest numbered. */ ! 110: #define BYTES_BIG_ENDIAN 1 ! 111: ! 112: /* Define this if most significant word of a multiword number is numbered. */ ! 113: #define WORDS_BIG_ENDIAN 1 ! 114: ! 115: /* Number of bits in an addressible storage unit */ ! 116: #define BITS_PER_UNIT 8 ! 117: ! 118: /* Width in bits of a "word", which is the contents of a machine register. ! 119: Note that this is not necessarily the width of data type `int'; ! 120: if using 16-bit ints on a 68000, this would still be 32. ! 121: But on a machine with 16-bit registers, this would be 16. */ ! 122: #define BITS_PER_WORD 64 ! 123: ! 124: /* Width of a word, in units (bytes). */ ! 125: #define UNITS_PER_WORD 8 ! 126: ! 127: /* Width in bits of a pointer. ! 128: See also the macro `Pmode' defined below. */ ! 129: #define POINTER_SIZE 32 ! 130: ! 131: /* Allocation boundary (in *bits*) for storing arguments in argument list. */ ! 132: #define PARM_BOUNDARY 32 ! 133: ! 134: /* Boundary (in *bits*) on which stack pointer should be aligned. */ ! 135: #define STACK_BOUNDARY 32 ! 136: ! 137: /* Allocation boundary (in *bits*) for the code of a function. */ ! 138: #define FUNCTION_BOUNDARY 16 ! 139: ! 140: /* Alignment of field after `int : 0' in a structure. */ ! 141: #define EMPTY_FIELD_BOUNDARY 32 ! 142: ! 143: /* Every structure's size must be a multiple of this. */ ! 144: #define STRUCTURE_SIZE_BOUNDARY 8 ! 145: ! 146: /* A bitfield declared as `int' forces `int' alignment for the struct. */ ! 147: #define PCC_BITFIELD_TYPE_MATTERS 1 ! 148: ! 149: /* No data type wants to be aligned rounder than this. */ ! 150: /* beware of doubles in structs -- 64 is incompatible with pcc */ ! 151: #define BIGGEST_ALIGNMENT 32 ! 152: ! 153: /* Define this if move instructions will actually fail to work ! 154: when given unaligned data. */ ! 155: /* #define STRICT_ALIGNMENT */ ! 156: ! 157: /* Define sizes of basic C types to conform to ordinary usage -- these ! 158: types depend on BITS_PER_WORD otherwise. */ ! 159: #define CHAR_TYPE_SIZE 8 ! 160: #define SHORT_TYPE_SIZE 16 ! 161: #define INT_TYPE_SIZE 32 ! 162: #define LONG_TYPE_SIZE 32 ! 163: #define LONG_LONG_TYPE_SIZE 64 ! 164: #define FLOAT_TYPE_SIZE 32 ! 165: #define DOUBLE_TYPE_SIZE 64 ! 166: #define LONG_DOUBLE_TYPE_SIZE 64 ! 167: ! 168: /* Declare the standard types used by builtins to match convex stddef.h -- ! 169: with int rather than long. */ ! 170: ! 171: #define SIZE_TYPE "unsigned int" ! 172: #define PTRDIFF_TYPE "int" ! 173: ! 174: /* Standard register usage. */ ! 175: ! 176: /* Number of actual hardware registers. ! 177: The hardware registers are assigned numbers for the compiler ! 178: from 0 to just below FIRST_PSEUDO_REGISTER. ! 179: All registers that the compiler knows about must be given numbers, ! 180: even those that are not normally considered general registers. */ ! 181: #define FIRST_PSEUDO_REGISTER 16 ! 182: ! 183: /* 1 for registers that have pervasive standard uses ! 184: and are not available for the register allocator. ! 185: For Convex, these are AP, FP, and SP. */ ! 186: #define FIXED_REGISTERS {0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1} ! 187: ! 188: /* 1 for registers not available across function calls. ! 189: These must include the FIXED_REGISTERS and also any ! 190: registers that can be used without being saved. ! 191: The latter must include the registers where values are returned ! 192: and the register where structure-value addresses are passed. ! 193: Aside from that, you can include as many other registers as you like. */ ! 194: #define CALL_USED_REGISTERS {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1} ! 195: ! 196: /* Return number of consecutive hard regs needed starting at reg REGNO ! 197: to hold something of mode MODE. ! 198: This is ordinarily the length in words of a value of mode MODE ! 199: but can be less for certain modes in special long registers. */ ! 200: #define HARD_REGNO_NREGS(REGNO, MODE) \ ! 201: ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) ! 202: ! 203: /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. ! 204: On Convex, S registers can hold any type, A registers any nonfloat. */ ! 205: #define HARD_REGNO_MODE_OK(REGNO, MODE) \ ! 206: ((REGNO) < 8 || (GET_MODE_CLASS (MODE) != MODE_FLOAT && \ ! 207: GET_MODE_CLASS (MODE) != MODE_COMPLEX_FLOAT && \ ! 208: (MODE) != DImode)) ! 209: ! 210: /* Value is 1 if it is a good idea to tie two pseudo registers ! 211: when one has mode MODE1 and one has mode MODE2. ! 212: If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2, ! 213: for any hard reg, then this must be 0 for correct output. */ ! 214: #define MODES_TIEABLE_P(MODE1, MODE2) \ ! 215: ((GET_MODE_CLASS (MODE1) == MODE_FLOAT \ ! 216: || GET_MODE_CLASS (MODE1) == MODE_COMPLEX_FLOAT \ ! 217: || (MODE1) == DImode) \ ! 218: == (GET_MODE_CLASS (MODE2) == MODE_FLOAT \ ! 219: || GET_MODE_CLASS (MODE2) == MODE_COMPLEX_FLOAT \ ! 220: || (MODE2) == DImode)) ! 221: ! 222: /* Specify the registers used for certain standard purposes. ! 223: The values of these macros are register numbers. */ ! 224: ! 225: /* Register to use for pushing function arguments. */ ! 226: #define STACK_POINTER_REGNUM 8 ! 227: ! 228: /* Base register for access to local variables of the function. */ ! 229: #define FRAME_POINTER_REGNUM 15 ! 230: ! 231: /* Value should be nonzero if functions must have frame pointers. ! 232: Zero means the frame pointer need not be set up (and parms ! 233: may be accessed via the stack pointer) in functions that seem suitable. ! 234: This is computed in `reload', in reload1.c. */ ! 235: #define FRAME_POINTER_REQUIRED 1 ! 236: ! 237: /* Base register for access to arguments of the function. */ ! 238: #define ARG_POINTER_REGNUM 14 ! 239: ! 240: /* Register in which static-chain is passed to a function. ! 241: Use S0, not an A reg, because this rare use would otherwise prevent ! 242: an A reg from being available to global-alloc across calls. */ ! 243: #define STATIC_CHAIN_REGNUM 0 ! 244: ! 245: /* Register in which address to store a structure value ! 246: is passed to a function. */ ! 247: #define STRUCT_VALUE_REGNUM 9 ! 248: ! 249: /* Define the classes of registers for register constraints in the ! 250: machine description. Also define ranges of constants. ! 251: ! 252: One of the classes must always be named ALL_REGS and include all hard regs. ! 253: If there is more than one class, another class must be named NO_REGS ! 254: and contain no registers. ! 255: ! 256: The name GENERAL_REGS must be the name of a class (or an alias for ! 257: another name such as ALL_REGS). This is the class of registers ! 258: that is allowed by "g" or "r" in a register constraint. ! 259: Also, registers outside this class are allocated only when ! 260: instructions express preferences for them. ! 261: ! 262: The classes must be numbered in nondecreasing order; that is, ! 263: a larger-numbered class must never be contained completely ! 264: in a smaller-numbered class. ! 265: ! 266: For any two classes, it is very desirable that there be another ! 267: class that represents their union. */ ! 268: ! 269: /* Convex has classes A (address) and S (scalar). ! 270: A is further divided into SP_REGS (stack pointer) and INDEX_REGS. ! 271: Seems to work better to put S first, here and in the md. */ ! 272: ! 273: enum reg_class { ! 274: NO_REGS, S_REGS, INDEX_REGS, SP_REGS, A_REGS, ALL_REGS, LIM_REG_CLASSES ! 275: }; ! 276: ! 277: #define N_REG_CLASSES (int) LIM_REG_CLASSES ! 278: ! 279: /* Since GENERAL_REGS is the same class as ALL_REGS, ! 280: don't give it a different class number; just make it an alias. */ ! 281: ! 282: #define GENERAL_REGS ALL_REGS ! 283: ! 284: /* Give names of register classes as strings for dump file. */ ! 285: ! 286: #define REG_CLASS_NAMES \ ! 287: {"NO_REGS", "S_REGS", "INDEX_REGS", "SP_REGS", "A_REGS", "ALL_REGS" } ! 288: ! 289: /* Define which registers fit in which classes. ! 290: This is an initializer for a vector of HARD_REG_SET ! 291: of length N_REG_CLASSES. */ ! 292: ! 293: #define REG_CLASS_CONTENTS {0, 0x00ff, 0xfe00, 0x0100, 0xff00, 0xffff} ! 294: ! 295: /* The same information, inverted: ! 296: Return the class number of the smallest class containing ! 297: reg number REGNO. This could be a conditional expression ! 298: or could index an array. */ ! 299: ! 300: #define REGNO_REG_CLASS(REGNO) \ ! 301: (S_REGNO_P (REGNO) ? S_REGS : REGNO == 8 ? SP_REGS : INDEX_REGS) ! 302: ! 303: #define S_REGNO_P(REGNO) ((REGNO) < 8) ! 304: #define A_REGNO_P(REGNO) ((REGNO) >= 8) ! 305: ! 306: #define S_REG_P(X) (REG_P (X) && S_REGNO_P (REGNO (X))) ! 307: #define A_REG_P(X) (REG_P (X) && A_REGNO_P (REGNO (X))) ! 308: ! 309: /* The class value for index registers, and the one for base regs. */ ! 310: ! 311: #define INDEX_REG_CLASS INDEX_REGS ! 312: #define BASE_REG_CLASS INDEX_REGS ! 313: ! 314: /* Get reg_class from a letter such as appears in the machine description. */ ! 315: /* S regs use the letter 'd' because 's' is taken. */ ! 316: ! 317: #define REG_CLASS_FROM_LETTER(C) \ ! 318: ((C) == 'a' ? A_REGS : (C) == 'd' ? S_REGS : NO_REGS) ! 319: ! 320: /* The letters I, J, K, L and M in a register constraint string ! 321: can be used to stand for particular ranges of immediate operands. ! 322: This macro defines what the ranges are. ! 323: C is the letter, and VALUE is a constant value. ! 324: Return 1 if VALUE is in the range specified by C. */ ! 325: ! 326: /* Convex uses only I: ! 327: 32-bit value with sign bit off, usable as immediate in DImode logical ! 328: instructions and, or, xor */ ! 329: ! 330: #define CONST_OK_FOR_LETTER_P(VALUE, C) ((VALUE) >= 0) ! 331: ! 332: /* Similar, but for floating constants, and defining letters G and H. ! 333: Here VALUE is the CONST_DOUBLE rtx itself. */ ! 334: /* Convex uses only G: ! 335: value usable in ld.d (low word 0) or ld.l (high word all sign) */ ! 336: ! 337: #define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \ ! 338: (LD_D_P (VALUE) || LD_L_P (VALUE)) ! 339: ! 340: #define LD_D_P(X) (const_double_low_int (X) == 0) ! 341: ! 342: #define LD_L_P(X) (const_double_low_int (X) >= 0 \ ! 343: ? const_double_high_int (X) == 0 \ ! 344: : const_double_high_int (X) == -1) ! 345: ! 346: /* Given an rtx X being reloaded into a reg required to be ! 347: in class CLASS, return the class of reg to actually use. ! 348: In general this is just CLASS; but on some machines ! 349: in some cases it is preferable to use a more restrictive class. */ ! 350: ! 351: /* CONST_DOUBLEs (constraint 'F') are passed by LEGITIMATE_CONSTANT_P ! 352: without regard to their value. Constraint 'G' is used by instructions ! 353: that need to reject non-immediate values. The rejected values are ! 354: dealt with by reload -- PREFERRED_RELOAD_CLASS returns NO_REGS for ! 355: nonimmediate values, causing reload to put them in memory. Every insn ! 356: that uses 'G' must have an alternative that accepts memory. */ ! 357: ! 358: #define PREFERRED_RELOAD_CLASS(X,CLASS) \ ! 359: (GET_CODE (X) != CONST_DOUBLE ? (CLASS) : \ ! 360: (GET_MODE (X) != TFmode && (LD_L_P (X) || LD_D_P (X))) ? (CLASS) : NO_REGS) ! 361: ! 362: /* Return the maximum number of consecutive registers ! 363: needed to represent mode MODE in a register of class CLASS. */ ! 364: #define CLASS_MAX_NREGS(CLASS, MODE) ((GET_MODE_SIZE (MODE) + 7) / 8) ! 365: ! 366: /* Stack layout; function entry, exit and calling. */ ! 367: ! 368: /* Define this if pushing a word on the stack ! 369: makes the stack pointer a smaller address. */ ! 370: #define STACK_GROWS_DOWNWARD ! 371: ! 372: /* Define this if the nominal address of the stack frame ! 373: is at the high-address end of the local variables; ! 374: that is, each additional local variable allocated ! 375: goes at a more negative offset in the frame. */ ! 376: #define FRAME_GROWS_DOWNWARD ! 377: ! 378: /* Define this if should default to -fcaller-saves. */ ! 379: #define DEFAULT_CALLER_SAVES ! 380: ! 381: /* Offset within stack frame to start allocating local variables at. ! 382: If FRAME_GROWS_DOWNWARD, this is the offset to the END of the ! 383: first local allocated. Otherwise, it is the offset to the BEGINNING ! 384: of the first local allocated. */ ! 385: #define STARTING_FRAME_OFFSET 0 ! 386: ! 387: /* If we generate an insn to push BYTES bytes, ! 388: this says how many the stack pointer really advances by. */ ! 389: #define PUSH_ROUNDING(BYTES) (((BYTES) + 3) & ~3) ! 390: ! 391: /* Offset of first parameter from the argument pointer register value. */ ! 392: #define FIRST_PARM_OFFSET(FNDECL) 0 ! 393: ! 394: /* Value is the number of bytes of arguments automatically ! 395: popped when returning from a subroutine call. ! 396: FUNTYPE is the data type of the function (as a tree), ! 397: or for a library call it is an identifier node for the subroutine name. ! 398: SIZE is the number of bytes of arguments passed on the stack. */ ! 399: /* The standard Convex call, with arg count word, includes popping the ! 400: args as part of the call template. We optionally omit the arg count ! 401: word and let gcc combine the arg pops. */ ! 402: #define RETURN_POPS_ARGS(FUNTYPE,SIZE) (TARGET_ARGCOUNT) ! 403: ! 404: /* Define how to find the value returned by a function. ! 405: VALTYPE is the data type of the value (as a tree). ! 406: If the precise function being called is known, FUNC is its FUNCTION_DECL; ! 407: otherwise, FUNC is 0. */ ! 408: ! 409: /* On Convex the return value is in S0 regardless. */ ! 410: ! 411: #define FUNCTION_VALUE(VALTYPE, FUNC) \ ! 412: gen_rtx (REG, TYPE_MODE (VALTYPE), 0) ! 413: ! 414: /* Define how to find the value returned by a library function ! 415: assuming the value has mode MODE. */ ! 416: ! 417: /* On Convex the return value is in S0 regardless. */ ! 418: ! 419: #define LIBCALL_VALUE(MODE) gen_rtx (REG, MODE, 0) ! 420: ! 421: /* Define this if PCC uses the nonreentrant convention for returning ! 422: structure and union values. */ ! 423: ! 424: #define PCC_STATIC_STRUCT_RETURN ! 425: ! 426: /* 1 if N is a possible register number for a function value. ! 427: On the Convex, S0 is the only register thus used. */ ! 428: ! 429: #define FUNCTION_VALUE_REGNO_P(N) ((N) == 0) ! 430: ! 431: /* 1 if N is a possible register number for function argument passing. */ ! 432: ! 433: #define FUNCTION_ARG_REGNO_P(N) 0 ! 434: ! 435: /* Define a data type for recording info about an argument list ! 436: during the scan of that argument list. This data type should ! 437: hold all necessary information about the function itself ! 438: and about the args processed so far, enough to enable macros ! 439: such as FUNCTION_ARG to determine where the next arg should go. ! 440: ! 441: On convex, this is a single integer, which is a number of bytes ! 442: of arguments scanned so far. */ ! 443: ! 444: #define CUMULATIVE_ARGS int ! 445: ! 446: /* Initialize a variable CUM of type CUMULATIVE_ARGS ! 447: for a call to a function whose data type is FNTYPE. ! 448: For a library call, FNTYPE is 0. ! 449: ! 450: On Convex, the offset starts at 0. */ ! 451: ! 452: #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME) \ ! 453: ((CUM) = 0) ! 454: ! 455: /* Update the data in CUM to advance over an argument ! 456: of mode MODE and data type TYPE. ! 457: (TYPE is null for libcalls where that information may not be available.) */ ! 458: ! 459: #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ ! 460: ((CUM) += ((MODE) != BLKmode \ ! 461: ? (GET_MODE_SIZE (MODE) + 3) & ~3 \ ! 462: : (int_size_in_bytes (TYPE) + 3) & ~3)) ! 463: ! 464: /* Define where to put the arguments to a function. ! 465: Value is zero to push the argument on the stack, ! 466: or a hard register in which to store the argument. ! 467: ! 468: MODE is the argument's machine mode. ! 469: TYPE is the data type of the argument (as a tree). ! 470: This is null for libcalls where that information may ! 471: not be available. ! 472: CUM is a variable of type CUMULATIVE_ARGS which gives info about ! 473: the preceding args and about the function being called. ! 474: NAMED is nonzero if this argument is a named parameter ! 475: (otherwise it is an extra parameter matching an ellipsis). */ ! 476: ! 477: /* On Convex, all args are pushed. */ ! 478: ! 479: #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) 0 ! 480: ! 481: /* This macro generates the assembly code for function entry. ! 482: FILE is a stdio stream to output the code to. ! 483: SIZE is an int: how many units of temporary storage to allocate. ! 484: Refer to the array `regs_ever_live' to determine which registers ! 485: to save; `regs_ever_live[I]' is nonzero if register number I ! 486: is ever used in the function. This macro is responsible for ! 487: knowing which registers should not be saved even if used. */ ! 488: ! 489: #define FUNCTION_PROLOGUE(FILE, SIZE) \ ! 490: { if ((SIZE) != 0) fprintf (FILE, "\tsub.w #%d,sp\n", ((SIZE) + 3) & -4);} ! 491: ! 492: /* Output assembler code for a block containing the constant parts ! 493: of a trampoline, leaving space for the variable parts. */ ! 494: ! 495: /* On convex, the code for a trampoline is ! 496: ld.w #<link>,s0 ! 497: jmp <func> */ ! 498: ! 499: #define TRAMPOLINE_TEMPLATE(FILE) \ ! 500: { \ ! 501: ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x11c8)); \ ! 502: ASM_OUTPUT_SHORT (FILE, const0_rtx); \ ! 503: ASM_OUTPUT_SHORT (FILE, const0_rtx); \ ! 504: ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x0140)); \ ! 505: ASM_OUTPUT_SHORT (FILE, const0_rtx); \ ! 506: ASM_OUTPUT_SHORT (FILE, const0_rtx); \ ! 507: } ! 508: ! 509: /* Length in units of the trampoline for entering a nested function. */ ! 510: ! 511: #define TRAMPOLINE_SIZE 12 ! 512: ! 513: /* Emit RTL insns to initialize the variable parts of a trampoline. ! 514: FNADDR is an RTX for the address of the function's pure code. ! 515: CXT is an RTX for the static chain value for the function. */ ! 516: ! 517: #define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ ! 518: { \ ! 519: emit_move_insn (gen_rtx (MEM, Pmode, plus_constant (TRAMP, 2)), CXT); \ ! 520: emit_move_insn (gen_rtx (MEM, Pmode, plus_constant (TRAMP, 8)), FNADDR); \ ! 521: emit_call_insn (gen_call (gen_rtx (MEM, QImode, \ ! 522: gen_rtx (SYMBOL_REF, Pmode, \ ! 523: "__enable_execute_stack")), \ ! 524: const0_rtx)); \ ! 525: } ! 526: ! 527: /* Output assembler code to FILE to increment profiler label # LABELNO ! 528: for profiling a function entry. */ ! 529: ! 530: #define FUNCTION_PROFILER(FILE, LABELNO) \ ! 531: fprintf (FILE, "\tldea LP%d,a1\n\tcallq mcount\n", (LABELNO)); ! 532: ! 533: /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, ! 534: the stack pointer does not matter. The value is tested only in ! 535: functions that have frame pointers. ! 536: No definition is equivalent to always zero. */ ! 537: ! 538: #define EXIT_IGNORE_STACK 1 ! 539: ! 540: /* This macro generates the assembly code for function exit, ! 541: on machines that need it. If FUNCTION_EPILOGUE is not defined ! 542: then individual return instructions are generated for each ! 543: return statement. Args are same as for FUNCTION_PROLOGUE. */ ! 544: ! 545: /* #define FUNCTION_EPILOGUE(FILE, SIZE) */ ! 546: ! 547: /* Store in the variable DEPTH the initial difference between the ! 548: frame pointer reg contents and the stack pointer reg contents, ! 549: as of the start of the function body. This depends on the layout ! 550: of the fixed parts of the stack frame and on how registers are saved. */ ! 551: #define INITIAL_FRAME_POINTER_OFFSET(DEPTH) \ ! 552: { (DEPTH) = get_frame_size (); } ! 553: ! 554: /* Addressing modes, and classification of registers for them. */ ! 555: ! 556: /* #define HAVE_POST_INCREMENT */ ! 557: /* #define HAVE_POST_DECREMENT */ ! 558: ! 559: /* #define HAVE_PRE_DECREMENT */ ! 560: /* #define HAVE_PRE_INCREMENT */ ! 561: ! 562: /* Macros to check register numbers against specific register classes. */ ! 563: ! 564: /* These assume that REGNO is a hard or pseudo reg number. ! 565: They give nonzero only if REGNO is a hard reg of the suitable class ! 566: or a pseudo reg currently allocated to a suitable hard reg. ! 567: Since they use reg_renumber, they are safe only once reg_renumber ! 568: has been allocated, which happens in local-alloc.c. */ ! 569: ! 570: #define REGNO_OK_FOR_INDEX_P(regno) \ ! 571: ((((regno) ^ 010) < 8 || ((reg_renumber[regno] ^ 010) & -8) == 0) \ ! 572: && regno != 8) ! 573: ! 574: #define REGNO_OK_FOR_BASE_P(regno) REGNO_OK_FOR_INDEX_P (regno) ! 575: ! 576: /* Maximum number of registers that can appear in a valid memory address. */ ! 577: ! 578: #define MAX_REGS_PER_ADDRESS 1 ! 579: ! 580: /* 1 if X is an rtx for a constant that is a valid address. */ ! 581: ! 582: #define CONSTANT_ADDRESS_P(X) CONSTANT_P (X) ! 583: ! 584: /* Nonzero if the constant value X is a legitimate general operand. ! 585: It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE. */ ! 586: ! 587: /* For convex, any single-word constant is ok; the only contexts ! 588: allowing general_operand of mode DI or DF are movdi and movdf. */ ! 589: ! 590: #define LEGITIMATE_CONSTANT_P(X) \ ! 591: (GET_CODE (X) != CONST_DOUBLE ? 1 : (LD_D_P (X) || LD_L_P (X))) ! 592: ! 593: /* The macros REG_OK_FOR..._P assume that the arg is a REG rtx ! 594: and check its validity for a certain class. ! 595: We have two alternate definitions for each of them. ! 596: The usual definition accepts all pseudo regs; the other rejects ! 597: them unless they have been allocated suitable hard regs. ! 598: The symbol REG_OK_STRICT causes the latter definition to be used. ! 599: ! 600: Most source files want to accept pseudo regs in the hope that ! 601: they will get allocated to the class that the insn wants them to be in. ! 602: Source files for reload pass need to be strict. ! 603: After reload, it makes no difference, since pseudo regs have ! 604: been eliminated by then. */ ! 605: ! 606: #ifndef REG_OK_STRICT ! 607: ! 608: /* Nonzero if X is a hard reg that can be used as an index ! 609: or if it is a pseudo reg. */ ! 610: #define REG_OK_FOR_INDEX_P(X) (REGNO (X) > 8) ! 611: /* Nonzero if X is a hard reg that can be used as a base reg ! 612: or if it is a pseudo reg. */ ! 613: #define REG_OK_FOR_BASE_P(X) (REGNO (X) > 8) ! 614: ! 615: #else ! 616: ! 617: /* Nonzero if X is a hard reg that can be used as an index. */ ! 618: #define REG_OK_FOR_INDEX_P(X) REGNO_OK_FOR_INDEX_P (REGNO (X)) ! 619: /* Nonzero if X is a hard reg that can be used as a base reg. */ ! 620: #define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X)) ! 621: ! 622: #endif ! 623: ! 624: /* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression ! 625: that is a valid memory address for an instruction. ! 626: The MODE argument is the machine mode for the MEM expression ! 627: that wants to use this address. ! 628: ! 629: For Convex, valid addresses are ! 630: indirectable or (MEM indirectable) ! 631: where indirectable is ! 632: const, reg, (PLUS reg const) ! 633: ! 634: On C3-series processors, we avoid indirection since it's substantially ! 635: slower. */ ! 636: ! 637: /* 1 if X is an address that we could indirect through. */ ! 638: #define INDIRECTABLE_ADDRESS_P(X) \ ! 639: (CONSTANT_ADDRESS_P (X) \ ! 640: || (GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X)) \ ! 641: || (GET_CODE (X) == PLUS \ ! 642: && GET_CODE (XEXP (X, 0)) == REG \ ! 643: && REG_OK_FOR_BASE_P (XEXP (X, 0)) \ ! 644: && CONSTANT_ADDRESS_P (XEXP (X, 1))) \ ! 645: || (GET_CODE (X) == PLUS \ ! 646: && GET_CODE (XEXP (X, 1)) == REG \ ! 647: && REG_OK_FOR_BASE_P (XEXP (X, 1)) \ ! 648: && CONSTANT_ADDRESS_P (XEXP (X, 0)))) ! 649: ! 650: /* Go to ADDR if X is a valid address. */ ! 651: #define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \ ! 652: { register rtx xfoob = (X); \ ! 653: if (INDIRECTABLE_ADDRESS_P (xfoob)) \ ! 654: goto ADDR; \ ! 655: xfoob = XEXP (X, 0); \ ! 656: if (GET_CODE (X) == MEM \ ! 657: && TARGET_INDIRECTS \ ! 658: && INDIRECTABLE_ADDRESS_P (xfoob)) \ ! 659: goto ADDR; \ ! 660: if (GET_CODE (X) == PRE_DEC && REG_P (xfoob) \ ! 661: && REGNO (xfoob) == STACK_POINTER_REGNUM) \ ! 662: goto ADDR; } ! 663: ! 664: /* Try machine-dependent ways of modifying an illegitimate address ! 665: to be legitimate. If we find one, return the new, valid address. ! 666: This macro is used in only one place: `memory_address' in explow.c. ! 667: ! 668: OLDX is the address as it was before break_out_memory_refs was called. ! 669: In some cases it is useful to look at this to decide what needs to be done. ! 670: ! 671: MODE and WIN are passed so that this macro can use ! 672: GO_IF_LEGITIMATE_ADDRESS. ! 673: ! 674: It is always safe for this macro to do nothing. It exists to recognize ! 675: opportunities to optimize the output. ! 676: ! 677: For Convex, nothing needs to be done. */ ! 678: ! 679: #define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN) {} ! 680: ! 681: /* Go to LABEL if ADDR (a legitimate address expression) ! 682: has an effect that depends on the machine mode it is used for. */ ! 683: ! 684: #define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) {} ! 685: ! 686: /* Specify the machine mode that this machine uses ! 687: for the index in the tablejump instruction. */ ! 688: #define CASE_VECTOR_MODE SImode ! 689: ! 690: /* Define this if the case instruction expects the table ! 691: to contain offsets from the address of the table. ! 692: Do not define this if the table should contain absolute addresses. */ ! 693: /* #define CASE_VECTOR_PC_RELATIVE */ ! 694: ! 695: /* Define this if the case instruction drops through after the table ! 696: when the index is out of range. Don't define it if the case insn ! 697: jumps to the default label instead. */ ! 698: /* #define CASE_DROPS_THROUGH */ ! 699: ! 700: /* Specify the tree operation to be used to convert reals to integers. */ ! 701: #define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR ! 702: ! 703: /* This is the kind of divide that is easiest to do in the general case. */ ! 704: #define EASY_DIV_EXPR TRUNC_DIV_EXPR ! 705: ! 706: /* Define this as 1 if `char' should by default be signed; else as 0. */ ! 707: #define DEFAULT_SIGNED_CHAR 1 ! 708: ! 709: /* This flag, if defined, says the same insns that convert to a signed fixnum ! 710: also convert validly to an unsigned one. */ ! 711: #define FIXUNS_TRUNC_LIKE_FIX_TRUNC ! 712: ! 713: /* Max number of bytes we can move from memory to memory ! 714: in one reasonably fast instruction. */ ! 715: #define MOVE_MAX 8 ! 716: ! 717: /* Define this if zero-extension is slow (more than one real instruction). */ ! 718: /* #define SLOW_ZERO_EXTEND */ ! 719: ! 720: /* Nonzero if access to memory by bytes is slow and undesirable. */ ! 721: #define SLOW_BYTE_ACCESS 0 ! 722: ! 723: /* Define if shifts truncate the shift count ! 724: which implies one can omit a sign-extension or zero-extension ! 725: of a shift count. */ ! 726: #define SHIFT_COUNT_TRUNCATED ! 727: ! 728: /* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits ! 729: is done just by pretending it is already truncated. */ ! 730: #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 ! 731: ! 732: /* On Convex, it is as good to call a constant function address as to ! 733: call an address kept in a register. */ ! 734: #define NO_FUNCTION_CSE ! 735: ! 736: /* When a prototype says `char' or `short', really pass an `int'. */ ! 737: #define PROMOTE_PROTOTYPES ! 738: ! 739: /* Specify the machine mode that pointers have. ! 740: After generation of rtl, the compiler makes no further distinction ! 741: between pointers and any other objects of this machine mode. */ ! 742: #define Pmode SImode ! 743: ! 744: /* A function address in a call instruction ! 745: is a byte address (for indexing purposes) ! 746: so give the MEM rtx a byte's mode. */ ! 747: #define FUNCTION_MODE QImode ! 748: ! 749: /* Compute the cost of computing a constant rtl expression RTX ! 750: whose rtx-code is CODE. The body of this macro is a portion ! 751: of a switch statement. If the code is computed here, ! 752: return it with a return statement. Otherwise, break from the switch. */ ! 753: ! 754: #define CONST_COSTS(RTX,CODE) \ ! 755: case CONST: \ ! 756: case LABEL_REF: \ ! 757: case SYMBOL_REF: \ ! 758: case CONST_INT: \ ! 759: return 0; \ ! 760: case CONST_DOUBLE: \ ! 761: return 2; ! 762: ! 763: /* Provide the costs of a rtl expression. This is in the body of a ! 764: switch on CODE. ! 765: On C1 and C2, multiply is faster than shift. */ ! 766: ! 767: #define RTX_COSTS(RTX,CODE) \ ! 768: case MULT: \ ! 769: total = COSTS_N_INSNS (4); \ ! 770: break; \ ! 771: case LSHIFT: \ ! 772: case ASHIFT: \ ! 773: case LSHIFTRT: \ ! 774: case ASHIFTRT: \ ! 775: total = COSTS_N_INSNS (3); \ ! 776: break; ! 777: ! 778: /* Compute the cost of an address. This is meant to approximate the size ! 779: and/or execution delay of an insn using that address. If the cost is ! 780: approximated by the RTL complexity, including CONST_COSTS above, as ! 781: is usually the case for CISC machines, this macro should not be defined. ! 782: For aggressively RISCy machines, only one insn format is allowed, so ! 783: this macro should be a constant. The value of this macro only matters ! 784: for valid addresses. */ ! 785: ! 786: #define ADDRESS_COST(RTX) (GET_CODE (RTX) == MEM ? 3 : 1) ! 787: ! 788: /* Specify the cost of a branch insn; roughly the number of extra insns that ! 789: should be added to avoid a branch. */ ! 790: ! 791: #define BRANCH_COST 0 ! 792: ! 793: /* Check a `double' value for validity for a particular machine mode. */ ! 794: ! 795: #define CHECK_FLOAT_VALUE(mode, d) \ ! 796: if ((mode) == SFmode) \ ! 797: { \ ! 798: if ((d) > 1.7014117331926443e+38) \ ! 799: { error ("magnitude of constant too large for `float'"); \ ! 800: (d) = 1.7014117331926443e+38; } \ ! 801: else if ((d) < -1.7014117331926443e+38) \ ! 802: { error ("magnitude of constant too large for `float'"); \ ! 803: (d) = -1.7014117331926443e+38; } \ ! 804: else if (((d) > 0) && ((d) < 2.9387358770557188e-39)) \ ! 805: { warning ("`float' constant truncated to zero"); \ ! 806: (d) = 0.0; } \ ! 807: else if (((d) < 0) && ((d) > -2.9387358770557188e-39)) \ ! 808: { warning ("`float' constant truncated to zero"); \ ! 809: (d) = 0.0; } \ ! 810: } ! 811: ! 812: /* Tell final.c how to eliminate redundant test instructions. */ ! 813: ! 814: /* Here we define machine-dependent flags and fields in cc_status ! 815: (see `conditions.h'). No extra ones are needed for convex. */ ! 816: ! 817: /* Store in cc_status the expressions ! 818: that the condition codes will describe ! 819: after execution of an instruction whose pattern is EXP. ! 820: Do not alter them if the instruction would not alter the cc's. */ ! 821: ! 822: #define NOTICE_UPDATE_CC(EXP,INSN) {} ! 823: ! 824: /* Control the assembler format that we output. */ ! 825: ! 826: /* Output at beginning of assembler file. */ ! 827: ! 828: #define ASM_FILE_START(FILE) fprintf (FILE, ";NO_APP\n") ! 829: ! 830: /* Output to assembler file text saying following lines ! 831: may contain character constants, extra white space, comments, etc. */ ! 832: ! 833: #define ASM_APP_ON ";APP\n" ! 834: ! 835: /* Output to assembler file text saying following lines ! 836: no longer contain unusual constructs. */ ! 837: ! 838: #define ASM_APP_OFF ";NO_APP\n" ! 839: ! 840: /* Alignment with Convex's assembler goes like this: ! 841: .text can be .aligned up to a halfword. ! 842: .data and .bss can be .aligned up to a longword. ! 843: .lcomm is not supported, explicit declarations in .bss must be used instead. ! 844: We get alignment for word and longword .text data by conventionally ! 845: using .text 2 for word-aligned data and .text 3 for longword-aligned ! 846: data. This requires that the data's size be a multiple of its alignment, ! 847: which seems to be always true. */ ! 848: ! 849: /* Output before read-only data. */ ! 850: ! 851: #define TEXT_SECTION_ASM_OP (current_section_is_text = 1, ".text") ! 852: ! 853: /* Output before writable data. */ ! 854: ! 855: #define DATA_SECTION_ASM_OP (current_section_is_text = 0, ".data") ! 856: ! 857: /* Output before uninitialized data. */ ! 858: ! 859: #define BSS_SECTION_ASM_OP (current_section_is_text = 0, ".bss") ! 860: ! 861: /* Define the .bss section for ASM_OUTPUT_LOCAL to use. */ ! 862: ! 863: #define EXTRA_SECTIONS in_bss ! 864: ! 865: #define EXTRA_SECTION_FUNCTIONS \ ! 866: void \ ! 867: bss_section () \ ! 868: { \ ! 869: if (in_section != in_bss) \ ! 870: { \ ! 871: fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \ ! 872: in_section = in_bss; \ ! 873: } \ ! 874: } ! 875: ! 876: /* This is how to output an assembler line ! 877: that says to advance the location counter ! 878: to a multiple of 2**LOG bytes. */ ! 879: ! 880: #define ASM_OUTPUT_ALIGN(FILE,LOG) \ ! 881: if (current_section_is_text && (LOG) > 1) \ ! 882: fprintf (FILE, ".text %d\n", LOG); \ ! 883: else if (current_section_is_text) \ ! 884: fprintf (FILE, ".text\n.align %d\n", 1 << (LOG)); \ ! 885: else \ ! 886: fprintf (FILE, ".align %d\n", 1 << (LOG)) ! 887: ! 888: /* How to refer to registers in assembler output. ! 889: This sequence is indexed by compiler's hard-register-number (see above). */ ! 890: ! 891: #define REGISTER_NAMES \ ! 892: {"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \ ! 893: "sp", "a1", "a2", "a3", "a4", "a5", "ap", "fp"} ! 894: ! 895: /* This is BSD, so it wants DBX format. */ ! 896: ! 897: #define DBX_DEBUGGING_INFO ! 898: ! 899: /* How to renumber registers for dbx and gdb. */ ! 900: ! 901: #define DBX_REGISTER_NUMBER(REGNO) (REGNO) ! 902: ! 903: /* Do not break .stabs pseudos into continuations. */ ! 904: ! 905: #define DBX_CONTIN_LENGTH 0 ! 906: ! 907: /* This is the char to use for continuation (in case we need to turn ! 908: continuation back on). */ ! 909: ! 910: #define DBX_CONTIN_CHAR '?' ! 911: ! 912: /* Don't use stab extensions until GDB v4 port is available for convex. */ ! 913: ! 914: #define DEFAULT_GDB_EXTENSIONS 0 ! 915: #define DBX_NO_XREFS ! 916: ! 917: /* This is how to output the definition of a user-level label named NAME, ! 918: such as the label on a static function or variable NAME. */ ! 919: ! 920: #define ASM_OUTPUT_LABEL(FILE,NAME) \ ! 921: do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0) ! 922: ! 923: /* This is how to output a command to make the user-level label named NAME ! 924: defined for reference from other files. */ ! 925: ! 926: #define ASM_GLOBALIZE_LABEL(FILE,NAME) \ ! 927: do { fputs (".globl ", FILE); assemble_name (FILE, NAME); fputs ("\n", FILE);} while (0) ! 928: ! 929: /* This is how to output a reference to a user-level label named NAME. */ ! 930: ! 931: #define ASM_OUTPUT_LABELREF(FILE,NAME) \ ! 932: fprintf (FILE, "_%s", NAME) ! 933: ! 934: /* This is how to output an internal numbered label where ! 935: PREFIX is the class of label and NUM is the number within the class. */ ! 936: ! 937: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ ! 938: fprintf (FILE, "%s%d:\n", PREFIX, NUM) ! 939: ! 940: /* Put case tables in .text 2, where they will be word-aligned */ ! 941: ! 942: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ ! 943: ASM_OUTPUT_ALIGN (FILE, 2); \ ! 944: ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM) ! 945: ! 946: #define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \ ! 947: ASM_OUTPUT_ALIGN (FILE, 1) ! 948: ! 949: /* This is how to store into the string LABEL ! 950: the symbol_ref name of an internal numbered label where ! 951: PREFIX is the class of label and NUM is the number within the class. ! 952: This is suitable for output with `assemble_name'. */ ! 953: ! 954: #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ ! 955: sprintf (LABEL, "*%s%d", PREFIX, NUM) ! 956: ! 957: /* This is how to output an assembler line defining a `double' constant. */ ! 958: ! 959: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ ! 960: fprintf (FILE, "\tds.d %.17e\n", (VALUE)) ! 961: ! 962: /* This is how to output an assembler line defining a `float' constant. */ ! 963: ! 964: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \ ! 965: fprintf (FILE, "\tds.s %.9e\n", (VALUE)) ! 966: ! 967: /* This is how to output an assembler line defining an `int' constant. */ ! 968: ! 969: #define ASM_OUTPUT_INT(FILE,VALUE) \ ! 970: ( fprintf (FILE, "\tds.w "), \ ! 971: output_addr_const (FILE, (VALUE)), \ ! 972: fprintf (FILE, "\n")) ! 973: ! 974: /* Likewise for a `long long int' constant. */ ! 975: ! 976: #define ASM_OUTPUT_DOUBLE_INT(FILE,VALUE) \ ! 977: { \ ! 978: if (GET_CODE (VALUE) == CONST_DOUBLE) \ ! 979: fprintf (FILE, "\tds.w %d,%d\n", \ ! 980: const_double_high_int (VALUE), const_double_low_int (VALUE)); \ ! 981: else if (GET_CODE (VALUE) == CONST_INT) \ ! 982: { \ ! 983: int val = INTVAL (VALUE); \ ! 984: fprintf (FILE, "\tds.w %d,%d\n", val < 0 ? -1 : 0, val); \ ! 985: } \ ! 986: else \ ! 987: abort (); \ ! 988: } ! 989: ! 990: /* Likewise for `char' and `short' constants. */ ! 991: ! 992: #define ASM_OUTPUT_SHORT(FILE,VALUE) \ ! 993: ( fprintf (FILE, "\tds.h "), \ ! 994: output_addr_const (FILE, (VALUE)), \ ! 995: fprintf (FILE, "\n")) ! 996: ! 997: #define ASM_OUTPUT_CHAR(FILE,VALUE) \ ! 998: ( fprintf (FILE, "\tds.b "), \ ! 999: output_addr_const (FILE, (VALUE)), \ ! 1000: fprintf (FILE, "\n")) ! 1001: ! 1002: /* This is how to output an assembler line for a numeric constant byte. */ ! 1003: ! 1004: #define ASM_OUTPUT_BYTE(FILE,VALUE) \ ! 1005: fprintf (FILE, "\tds.b %#x\n", (VALUE)) ! 1006: ! 1007: /* This is how to output a string */ ! 1008: ! 1009: #define ASM_OUTPUT_ASCII(FILE,STR,SIZE) do { \ ! 1010: int i; \ ! 1011: fprintf ((FILE), "\tds.b \""); \ ! 1012: for (i = 0; i < (SIZE); i++) { \ ! 1013: register int c = (STR)[i] & 0377; \ ! 1014: if (c >= ' ' && c < 0177 && c != '\\' && c != '"') \ ! 1015: putc (c, (FILE)); \ ! 1016: else \ ! 1017: fprintf ((FILE), "\\%03o", c);} \ ! 1018: fprintf ((FILE), "\"\n");} while (0) ! 1019: ! 1020: /* This is how to output an insn to push a register on the stack. ! 1021: It need not be very fast code. */ ! 1022: ! 1023: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ ! 1024: fprintf (FILE, "\tpsh.%c %s\n", \ ! 1025: S_REGNO_P (REGNO) ? 'l' : 'w', \ ! 1026: reg_names[REGNO]) ! 1027: ! 1028: /* This is how to output an insn to pop a register from the stack. ! 1029: It need not be very fast code. */ ! 1030: ! 1031: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \ ! 1032: fprintf (FILE, "\tpop.%c %s\n", \ ! 1033: S_REGNO_P (REGNO) ? 'l' : 'w', \ ! 1034: reg_names[REGNO]) ! 1035: ! 1036: /* This is how to output an element of a case-vector that is absolute. */ ! 1037: ! 1038: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ ! 1039: fprintf (FILE, "\tds.w L%d\n", VALUE) ! 1040: ! 1041: /* This is how to output an element of a case-vector that is relative. ! 1042: (not used on Convex) */ ! 1043: ! 1044: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ ! 1045: fprintf (FILE, "\tds.w L%d-L%d\n", VALUE, REL) ! 1046: ! 1047: /* This is how to output an assembler line ! 1048: that says to advance the location counter by SIZE bytes. */ ! 1049: ! 1050: #define ASM_OUTPUT_SKIP(FILE,SIZE) \ ! 1051: fprintf (FILE, "\tds.b %u(0)\n", (SIZE)) ! 1052: ! 1053: /* This says how to output an assembler line ! 1054: to define a global common symbol. */ ! 1055: ! 1056: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ ! 1057: ( fputs (".comm ", (FILE)), \ ! 1058: assemble_name ((FILE), (NAME)), \ ! 1059: fprintf ((FILE), ",%u\n", (ROUNDED))) ! 1060: ! 1061: /* This says how to output an assembler line ! 1062: to define a local common symbol. */ ! 1063: ! 1064: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ ! 1065: ( bss_section (), \ ! 1066: assemble_name ((FILE), (NAME)), \ ! 1067: fprintf ((FILE), ":\tbs.b %u\n", (ROUNDED))) ! 1068: ! 1069: /* Store in OUTPUT a string (made with alloca) containing ! 1070: an assembler-name for a local static variable named NAME. ! 1071: LABELNO is an integer which is different for each call. */ ! 1072: ! 1073: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ ! 1074: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10), \ ! 1075: sprintf ((OUTPUT), "%s.%d", (NAME), (LABELNO))) ! 1076: ! 1077: /* Define the parentheses used to group arithmetic operations ! 1078: in assembler code. */ ! 1079: ! 1080: #define ASM_OPEN_PAREN "(" ! 1081: #define ASM_CLOSE_PAREN ")" ! 1082: ! 1083: /* Define results of standard character escape sequences. */ ! 1084: #define TARGET_BELL 007 ! 1085: #define TARGET_BS 010 ! 1086: #define TARGET_TAB 011 ! 1087: #define TARGET_NEWLINE 012 ! 1088: #define TARGET_VT 013 ! 1089: #define TARGET_FF 014 ! 1090: #define TARGET_CR 015 ! 1091: ! 1092: /* Print an instruction operand X on file FILE. ! 1093: CODE is the code from the %-spec that requested printing this operand; ! 1094: if `%z3' was used to print operand 3, then CODE is 'z'. */ ! 1095: ! 1096: #define PRINT_OPERAND(FILE, X, CODE) \ ! 1097: { if (GET_CODE (X) == REG) \ ! 1098: fprintf (FILE, "%s", reg_names[REGNO (X)]); \ ! 1099: else if (GET_CODE (X) == MEM) \ ! 1100: output_address (XEXP (X, 0)); \ ! 1101: else if (GET_CODE (X) == CONST_DOUBLE \ ! 1102: && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT) \ ! 1103: { union { double d; int i[2]; } u; \ ! 1104: u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \ ! 1105: fprintf (FILE, "#%.9e", u.d); } \ ! 1106: else { putc ('#', FILE); output_addr_const (FILE, X); }} ! 1107: ! 1108: /* Print a memory operand whose address is X, on file FILE. */ ! 1109: ! 1110: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ ! 1111: { \ ! 1112: register rtx addr = ADDR; \ ! 1113: register rtx index = 0; \ ! 1114: register rtx offset = 0; \ ! 1115: \ ! 1116: if (GET_CODE (addr) == MEM) \ ! 1117: { \ ! 1118: fprintf (FILE, "@"); \ ! 1119: addr = XEXP (addr, 0); \ ! 1120: } \ ! 1121: \ ! 1122: switch (GET_CODE (addr)) \ ! 1123: { \ ! 1124: case REG: \ ! 1125: index = addr; \ ! 1126: break; \ ! 1127: \ ! 1128: case PLUS: \ ! 1129: index = XEXP (addr, 0); \ ! 1130: if (REG_P (index)) \ ! 1131: offset = XEXP (addr, 1); \ ! 1132: else \ ! 1133: { \ ! 1134: offset = XEXP (addr, 0); \ ! 1135: index = XEXP (addr, 1); \ ! 1136: if (! REG_P (index)) abort (); \ ! 1137: } \ ! 1138: break; \ ! 1139: \ ! 1140: default: \ ! 1141: offset = addr; \ ! 1142: break; \ ! 1143: } \ ! 1144: \ ! 1145: if (offset) \ ! 1146: output_addr_const (FILE, offset); \ ! 1147: \ ! 1148: if (index) \ ! 1149: fprintf (FILE, "(%s)", reg_names[REGNO (index)]); \ ! 1150: } ! 1151: ! 1152: /* Definitions for g++. */ ! 1153: ! 1154: /* Do not put out GNU stabs for constructors and destructors. ! 1155: ld bounces them. */ ! 1156: ! 1157: #define FASCIST_ASSEMBLER ! 1158: ! 1159: /* Convex user addresses are negative, so use positive numbers ! 1160: to mean `vtable index'. */ ! 1161: ! 1162: #define VTABLE_USES_MASK ! 1163: #define VINDEX_MAX ((unsigned) 0x80000000) ! 1164: #define SET_DECL_VINDEX(DECL, INDEX) \ ! 1165: (DECL_VINDEX (DECL) = (INDEX)) ! 1166: ! 1167: /* Defs for compiling collect2.c in -pcc mode during bootstrap. */ ! 1168: ! 1169: #ifdef COLLECT ! 1170: ! 1171: #ifdef __STDC__ ! 1172: ! 1173: #define HAVE_STRERROR ! 1174: ! 1175: #else ! 1176: ! 1177: #define vfprintf(file,fmt,args) _doprnt (fmt, args, file) ! 1178: #define WTERMSIG(x) (((union wait *) &(x))->w_termsig) ! 1179: #define WEXITSTATUS(x) (((union wait *) &(x))->w_retcode) ! 1180: ! 1181: #endif ! 1182: ! 1183: #endif /* COLLECT */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.