![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to clipper.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple XNU] / GNUtools / cc / config / clipper|
Return to clipper.h CVS log | Up to [Apple XNU] / GNUtools / cc / config / clipper |
1.1 ! root 1: /* Definitions of target machine for GNU compiler. Clipper version. ! 2: Copyright (C) 1987, 1988, 1991, 1993 Free Software Foundation, Inc. ! 3: ! 4: Contributed by Holger Teutsch ([email protected]) ! 5: ! 6: This file is part of GNU CC. ! 7: ! 8: GNU CC is free software; you can redistribute it and/or modify ! 9: it under the terms of the GNU General Public License as published by ! 10: the Free Software Foundation; either version 2, or (at your option) ! 11: any later version. ! 12: ! 13: GNU CC is distributed in the hope that it will be useful, ! 14: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 16: GNU General Public License for more details. ! 17: ! 18: You should have received a copy of the GNU General Public License ! 19: along with GNU CC; see the file COPYING. If not, write to ! 20: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ ! 21: ! 22: extern struct rtx_def *clipper_builtin_saveregs (); ! 23: extern int clipper_frame_size (); ! 24: ! 25: /* Print subsidiary information on the compiler version in use. */ ! 26: ! 27: #define TARGET_VERSION fprintf (stderr, " (clipper)"); ! 28: ! 29: /* Run-time compilation parameters selecting different hardware subsets. */ ! 30: ! 31: extern int target_flags; ! 32: ! 33: /* Macros used in the machine description to test the flags. */ ! 34: ! 35: /* Macro to define tables used to set the flags. ! 36: This is a list in braces of pairs in braces, ! 37: each pair being { "NAME", VALUE } ! 38: where VALUE is the bits to set or minus the bits to clear. ! 39: An empty string NAME is used to identify the default VALUE. */ ! 40: ! 41: #define TARGET_SWITCHES \ ! 42: { { "c400", 1 }, \ ! 43: { "c300", -1 }, \ ! 44: { "", TARGET_DEFAULT} } ! 45: ! 46: #define TARGET_C400 1 ! 47: #define TARGET_C300 0 ! 48: ! 49: /* Default target_flags if no switches specified. */ ! 50: ! 51: #ifndef TARGET_DEFAULT ! 52: #define TARGET_DEFAULT TARGET_C300 ! 53: #endif ! 54: ! 55: /* Omit frame pointer at -O2. Inline functions at -O3. */ ! 56: ! 57: #define OPTIMIZATION_OPTIONS(LEVEL) \ ! 58: { \ ! 59: if ((LEVEL) >= 2) \ ! 60: { \ ! 61: flag_omit_frame_pointer = 1; \ ! 62: } \ ! 63: if ((LEVEL) >= 3) \ ! 64: flag_inline_functions = 1; \ ! 65: } ! 66: ! 67: /* Target machine storage layout */ ! 68: ! 69: /* Define this if most significant bit is lowest numbered ! 70: in instructions that operate on numbered bit-fields. */ ! 71: ! 72: #define BITS_BIG_ENDIAN 0 ! 73: ! 74: /* Define this if most significant byte of a word is the lowest numbered. */ ! 75: ! 76: #define BYTES_BIG_ENDIAN 0 ! 77: ! 78: /* Define this if most significant word of a multiword number is the lowest ! 79: numbered. */ ! 80: ! 81: #define WORDS_BIG_ENDIAN 0 ! 82: ! 83: /* Number of bits in an addressable storage unit */ ! 84: #define BITS_PER_UNIT 8 ! 85: ! 86: /* Width in bits of a "word", which is the contents of a machine register. ! 87: Note that this is not necessarily the width of data type `int'; ! 88: if using 16-bit ints on a 68000, this would still be 32. ! 89: But on a machine with 16-bit registers, this would be 16. */ ! 90: #define BITS_PER_WORD 32 ! 91: ! 92: /* Width of a word, in units (bytes). */ ! 93: #define UNITS_PER_WORD 4 ! 94: ! 95: /* Width in bits of a pointer. ! 96: See also the macro `Pmode' defined below. */ ! 97: #define POINTER_SIZE 32 ! 98: ! 99: /* Allocation boundary (in *bits*) for storing arguments in argument list. */ ! 100: #define PARM_BOUNDARY 32 ! 101: ! 102: /* Largest alignment for stack parameters (if greater than PARM_BOUNDARY). */ ! 103: #define MAX_PARM_BOUNDARY 64 ! 104: ! 105: /* Allocation boundary (in *bits*) for the code of a function. */ ! 106: #define FUNCTION_BOUNDARY 128 ! 107: ! 108: /* Alignment of field after `int : 0' in a structure. */ ! 109: #define EMPTY_FIELD_BOUNDARY 32 ! 110: ! 111: /* Every structure's size must be a multiple of this. */ ! 112: #define STRUCTURE_SIZE_BOUNDARY 8 ! 113: ! 114: /* A bitfield declared as `int' forces `int' alignment for the struct. */ ! 115: #define PCC_BITFIELD_TYPE_MATTERS 1 ! 116: ! 117: /* No data type wants to be aligned rounder than this. */ ! 118: #define BIGGEST_ALIGNMENT 64 ! 119: ! 120: /* No structure field wants to be aligned rounder than this. */ ! 121: #define BIGGEST_FIELD_ALIGNMENT 64 ! 122: ! 123: /* Make strcpy of constants fast. */ ! 124: #define CONSTANT_ALIGNMENT(CODE, TYPEALIGN) \ ! 125: ((TYPEALIGN) < 32 ? 32 : (TYPEALIGN)) ! 126: ! 127: /* Make arrays of chars word-aligned for the same reasons. */ ! 128: #define DATA_ALIGNMENT(TYPE, ALIGN) \ ! 129: (TREE_CODE (TYPE) == ARRAY_TYPE \ ! 130: && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \ ! 131: && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) ! 132: ! 133: /* Set this nonzero if move instructions will actually fail to work ! 134: when given unaligned data. */ ! 135: #define STRICT_ALIGNMENT 1 ! 136: ! 137: /* Let's keep the stack somewhat aligned. */ ! 138: #define STACK_BOUNDARY 64 ! 139: ! 140: /* Define this macro if it is advisible to hold scalars in registers ! 141: in a wider mode than that declared by the program. In such cases, ! 142: the value is constrained to be within the bounds of the declared ! 143: type, but kept valid in the wider mode. The signedness of the ! 144: extension may differ from that of the type. ! 145: ! 146: For Clipper, we always store objects in a full register. */ ! 147: ! 148: #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ ! 149: if (GET_MODE_CLASS (MODE) == MODE_INT \ ! 150: && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \ ! 151: { \ ! 152: (UNSIGNEDP) = 0; \ ! 153: (MODE) = SImode; \ ! 154: } ! 155: ! 156: ! 157: /* Define this if function arguments should also be promoted using the above ! 158: procedure. */ ! 159: ! 160: /* FIXME: do we loose compatibility to acc if we define this? */ ! 161: ! 162: /* #define PROMOTE_FUNCTION_ARGS */ ! 163: ! 164: /* Likewise, if the function return value is promoted. */ ! 165: ! 166: /* #define PROMOTE_FUNCTION_RETURN */ ! 167: ! 168: ! 169: /* Standard register usage. */ ! 170: ! 171: /* Number of actual hardware registers. ! 172: The hardware registers are assigned numbers for the compiler ! 173: from 0 to just below FIRST_PSEUDO_REGISTER. ! 174: All registers that the compiler knows about must be given numbers, ! 175: even those that are not normally considered general registers. */ ! 176: #define FIRST_PSEUDO_REGISTER 32 ! 177: ! 178: /* 1 for registers that have pervasive standard uses ! 179: and are not available for the register allocator. ! 180: On the clipper, these are the FP and SP . */ ! 181: #define FIXED_REGISTERS \ ! 182: {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,\ ! 183: 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1} /* Default: C300 */ ! 184: ! 185: /* 1 for registers not available across function calls. ! 186: These must include the FIXED_REGISTERS and also any ! 187: registers that can be used without being saved. ! 188: The latter must include the registers where values are returned ! 189: and the register where structure-value addresses are passed. ! 190: Aside from that, you can include as many other registers as you like. */ ! 191: #define CALL_USED_REGISTERS \ ! 192: {1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,\ ! 193: 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1} /* default: C300 */ ! 194: ! 195: /* Zero or more C statements that may conditionally modify two ! 196: variables `fixed_regs' and `call_used_regs' (both of type `char ! 197: []') after they have been initialized from the two preceding ! 198: macros. A C400 has additional floating registers f8 -> f15 */ ! 199: ! 200: #define CONDITIONAL_REGISTER_USAGE \ ! 201: if (target_flags & TARGET_C400) \ ! 202: { int i; \ ! 203: for (i = 24; i < 32; i++) fixed_regs[i] = call_used_regs[i] = 0; } ! 204: ! 205: /* Return number of consecutive hard regs needed starting at reg REGNO ! 206: to hold something of mode MODE. ! 207: This is ordinarily the length in words of a value of mode MODE ! 208: but can be less for certain modes in special long registers. ! 209: On the clipper, fp registers are 64 bits. */ ! 210: ! 211: #define HARD_REGNO_NREGS(REGNO, MODE) \ ! 212: ((REGNO) >= 16 ? 1 \ ! 213: : ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)) ! 214: ! 215: /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. ! 216: On the clipper 0-15 may hold any mode but DImode and DFmode must be even. ! 217: Registers 16-31 hold SFmode and DFmode */ ! 218: ! 219: #define HARD_REGNO_MODE_OK(REGNO, MODE) \ ! 220: ((REGNO) < 16 \ ! 221: ? ((MODE) != DImode && (MODE) != DFmode || ((REGNO) & 1) == 0) \ ! 222: : ((MODE) == SFmode || (MODE) == DFmode)) ! 223: ! 224: /* Value is 1 if it is a good idea to tie two pseudo registers ! 225: when one has mode MODE1 and one has mode MODE2. ! 226: If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2, ! 227: for any hard reg, then this must be 0 for correct output. */ ! 228: #define MODES_TIEABLE_P(MODE1, MODE2) ((MODE1) == (MODE2)) ! 229: ! 230: /* Specify the registers used for certain standard purposes. ! 231: The values of these macros are register numbers. */ ! 232: ! 233: /* clipper has extra PC */ ! 234: /* #define PC_REGNUM */ ! 235: ! 236: /* Register to use for pushing function arguments. */ ! 237: #define STACK_POINTER_REGNUM 15 ! 238: ! 239: /* Base register for access to local variables of the function. */ ! 240: #define FRAME_POINTER_REGNUM 14 ! 241: ! 242: /* Value should be nonzero if functions must have frame pointers. ! 243: Zero means the frame pointer need not be set up (and parms ! 244: may be accessed via the stack pointer) in functions that seem suitable. ! 245: This is computed in `reload', in reload1.c. */ ! 246: #define FRAME_POINTER_REQUIRED \ ! 247: (! leaf_function_p ()) ! 248: ! 249: /* Base register for access to arguments of the function. */ ! 250: #define ARG_POINTER_REGNUM FRAME_POINTER_REGNUM ! 251: ! 252: /* Register in which static-chain is passed to a function. */ ! 253: #define STATIC_CHAIN_REGNUM 2 ! 254: ! 255: /* Register in which address to store a structure value ! 256: is passed to a function. */ ! 257: #define STRUCT_VALUE_REGNUM 0 ! 258: ! 259: /* Define the classes of registers for register constraints in the ! 260: machine description. Also define ranges of constants. ! 261: ! 262: One of the classes must always be named ALL_REGS and include all hard regs. ! 263: If there is more than one class, another class must be named NO_REGS ! 264: and contain no registers. ! 265: ! 266: The name GENERAL_REGS must be the name of a class (or an alias for ! 267: another name such as ALL_REGS). This is the class of registers ! 268: that is allowed by "g" or "r" in a register constraint. ! 269: Also, registers outside this class are allocated only when ! 270: instructions express preferences for them. ! 271: ! 272: The classes must be numbered in nondecreasing order; that is, ! 273: a larger-numbered class must never be contained completely ! 274: in a smaller-numbered class. ! 275: ! 276: For any two classes, it is very desirable that there be another ! 277: class that represents their union. */ ! 278: ! 279: /* The clipper has general and FP regs. */ ! 280: ! 281: enum reg_class { NO_REGS, GENERAL_REGS, FLOAT_REGS, ALL_REGS, LIM_REG_CLASSES}; ! 282: ! 283: #define N_REG_CLASSES (int) LIM_REG_CLASSES ! 284: ! 285: /* Give names of register classes as strings for dump file. */ ! 286: ! 287: #define REG_CLASS_NAMES \ ! 288: {"NO_REGS", "GENERAL_REGS", "FLOAT_REGS", "ALL_REGS" } ! 289: ! 290: /* Define which registers fit in which classes. ! 291: This is an initializer for a vector of HARD_REG_SET ! 292: of length N_REG_CLASSES. */ ! 293: ! 294: #define REG_CLASS_CONTENTS {0, 0x0000ffff, 0xffff0000, 0xffffffff} ! 295: ! 296: /* The same information, inverted: ! 297: Return the class number of the smallest class containing ! 298: reg number REGNO. This could be a conditional expression ! 299: or could index an array. */ ! 300: ! 301: #define REGNO_REG_CLASS(REGNO) ((REGNO) >= 16 ? FLOAT_REGS : GENERAL_REGS) ! 302: ! 303: /* The class value for index registers, and the one for base regs. */ ! 304: ! 305: #define INDEX_REG_CLASS GENERAL_REGS ! 306: #define BASE_REG_CLASS GENERAL_REGS ! 307: ! 308: /* Get reg_class from a letter such as appears in the machine description. */ ! 309: ! 310: #define REG_CLASS_FROM_LETTER(C) \ ! 311: ((C) == 'r' ? GENERAL_REGS : ((C) == 'f' ? FLOAT_REGS: NO_REGS)) ! 312: ! 313: /* The letters I, J, K, L and M in a register constraint string ! 314: can be used to stand for particular ranges of immediate operands. ! 315: This macro defines what the ranges are. ! 316: C is the letter, and VALUE is a constant value. ! 317: Return 1 if VALUE is in the range specified by C. */ ! 318: ! 319: #define CONST_OK_FOR_LETTER_P(VALUE, C) 0 ! 320: ! 321: /* Similar, but for floating constants, and defining letters G and H. ! 322: Here VALUE is the CONST_DOUBLE rtx itself. */ ! 323: ! 324: #define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 0 ! 325: ! 326: /* Optional extra constraints for this machine. */ ! 327: ! 328: /* #define EXTRA_CONSTRAINT(OP, C) */ ! 329: ! 330: ! 331: /* Given an rtx X being reloaded into a reg required to be ! 332: in class CLASS, return the class of reg to actually use. ! 333: In general this is just CLASS; but on some machines ! 334: in some cases it is preferable to use a more restrictive class. */ ! 335: ! 336: #define PREFERRED_RELOAD_CLASS(X,CLASS) (CLASS) ! 337: ! 338: /* Return the maximum number of consecutive registers ! 339: needed to represent mode MODE in a register of class CLASS. */ ! 340: ! 341: #define CLASS_MAX_NREGS(CLASS, MODE) \ ! 342: ((CLASS) == FLOAT_REGS \ ! 343: ? 1 \ ! 344: : (GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) ! 345: ! 346: /* Stack layout; function entry, exit and calling. */ ! 347: ! 348: /* Define this if pushing a word on the stack ! 349: makes the stack pointer a smaller address. */ ! 350: #define STACK_GROWS_DOWNWARD ! 351: ! 352: /* Define this if longjmp restores from saved registers ! 353: rather than from what setjmp saved. */ ! 354: /* #define LONGJMP_RESTORE_FROM_STACK */ ! 355: ! 356: /* Define this if the nominal address of the stack frame ! 357: is at the high-address end of the local variables; ! 358: that is, each additional local variable allocated ! 359: goes at a more negative offset in the frame. */ ! 360: #define FRAME_GROWS_DOWNWARD ! 361: ! 362: /* Offset within stack frame to start allocating local variables at. ! 363: If FRAME_GROWS_DOWNWARD, this is the offset to the END of the ! 364: first local allocated. Otherwise, it is the offset to the BEGINNING ! 365: of the first local allocated. */ ! 366: #define STARTING_FRAME_OFFSET 0 ! 367: ! 368: /* Given an rtx for the address of a frame, ! 369: return an rtx for the address of the word in the frame ! 370: that holds the dynamic chain--the previous frame's address. */ ! 371: #define DYNAMIC_CHAIN_ADDRESS(frame) (frame) ! 372: ! 373: /* If we generate an insn to push BYTES bytes, ! 374: this says how many the stack pointer really advances by. */ ! 375: ! 376: /* #define PUSH_ROUNDING(BYTES) (BYTES) */ ! 377: ! 378: /* Keep the stack pointer constant throughout the function. */ ! 379: /* we can't set this for clipper as library calls may have 3 args and we pass ! 380: only 2 args in regs. */ ! 381: ! 382: /* #define ACCUMULATE_OUTGOING_ARGS */ ! 383: ! 384: ! 385: /* Offset of first parameter from the argument pointer register value. ! 386: size of PC + FP */ ! 387: ! 388: #define FIRST_PARM_OFFSET(FNDECL) 8 ! 389: ! 390: /* Value is the number of bytes of arguments automatically ! 391: popped when returning from a subroutine call. ! 392: FUNTYPE is the data type of the function (as a tree), ! 393: or for a library call it is an identifier node for the subroutine name. ! 394: SIZE is the number of bytes of arguments passed on the stack. */ ! 395: ! 396: #define RETURN_POPS_ARGS(FUNTYPE,SIZE) 0 ! 397: ! 398: /* Define how to find the value returned by a function. ! 399: VALTYPE is the data type of the value (as a tree). ! 400: If the precise function being called is known, FUNC is its FUNCTION_DECL; ! 401: otherwise, FUNC is 0. */ ! 402: ! 403: #define FUNCTION_VALUE(VALTYPE, FUNC) \ ! 404: gen_rtx (REG, TYPE_MODE (VALTYPE), ((TYPE_MODE (VALTYPE) == SFmode ||\ ! 405: TYPE_MODE (VALTYPE) == DFmode) ? \ ! 406: 16 : 0)) ! 407: ! 408: /* Define how to find the value returned by a library function ! 409: assuming the value has mode MODE. */ ! 410: ! 411: #define LIBCALL_VALUE(MODE) \ ! 412: gen_rtx (REG, (MODE), ((MODE) == SFmode || (MODE) == DFmode ? 16 : 0)) ! 413: ! 414: ! 415: /* 1 if N is a possible register number for a function value ! 416: as seen by the caller. */ ! 417: ! 418: #define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N) == 16) ! 419: ! 420: /* 1 if N is a possible register number for function argument passing. */ ! 421: ! 422: #define FUNCTION_ARG_REGNO_P(N) \ ! 423: ((N) == 0 || (N) == 1 || (N) == 16 || (N) == 17) ! 424: ! 425: /* Define this if PCC uses the nonreentrant convention for returning ! 426: structure and union values. */ ! 427: ! 428: #define PCC_STATIC_STRUCT_RETURN ! 429: ! 430: ! 431: /* Define a data type for recording info about an argument list ! 432: during the scan of that argument list. This data type should ! 433: hold all necessary information about the function itself ! 434: and about the args processed so far, enough to enable macros ! 435: such as FUNCTION_ARG to determine where the next arg should go. ! 436: ! 437: Clipper uses 2 register 'slots' that pass arguments in r0/r1 or f0/f1. ! 438: An argument that must be passed in memory (struct... ) leaves that slot ! 439: free. ! 440: We pass 'long long' only in registers when both slots are free. ! 441: Returned structs must be allocated by the caller, the address is passed ! 442: in r0. ! 443: ! 444: struct ss {..} ! 445: ! 446: fun (i,j,k) i in r0, j in r1, k on stack ! 447: fun (s,j,k) s on stack, j in r1, k on stack ! 448: fun (i,s,k) i in r0, s on stack, k on stack ! 449: s1 = fun (i,s,k) &s1 in r0, i in r1, s on stack, k on stack ! 450: ! 451: We must keep enough information for varargs/stdargs. ! 452: ! 453: _clipper_cum_args is a struct of 2 integers, with ! 454: num = slots used ! 455: size = size of all stack args = offset to next arg without alignment ! 456: ! 457: If we use stdarg.h, size points to the first unnamed arg, ! 458: see va-clipper.h */ ! 459: ! 460: struct _clipper_cum_args { int num; int size; }; ! 461: ! 462: #define CUMULATIVE_ARGS struct _clipper_cum_args ! 463: ! 464: /* Initialize a variable CUM of type CUMULATIVE_ARGS ! 465: for a call to a function whose data type is FNTYPE. ! 466: For a library call, FNTYPE is 0. ! 467: ! 468: clipper passes the address of a struct in r0, set num = 1 in this case */ ! 469: ! 470: #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME) \ ! 471: ((CUM).num = ((FNTYPE) != 0 && aggregate_value_p (TREE_TYPE (FNTYPE))), \ ! 472: (CUM).size = 0) ! 473: ! 474: /* internal helper : size of an argument */ ! 475: ! 476: #define CLIPPER_ARG_SIZE(MODE, TYPE) \ ! 477: ((MODE) != BLKmode \ ! 478: ? (GET_MODE_SIZE (MODE) + (UNITS_PER_WORD - 1)) / UNITS_PER_WORD \ ! 479: : (int_size_in_bytes (TYPE) + (UNITS_PER_WORD - 1)) / UNITS_PER_WORD) ! 480: ! 481: /* Update the data in CUM to advance over an argument ! 482: of mode MODE and data type TYPE. ! 483: (TYPE is null for libcalls where that information may not be available.) */ ! 484: ! 485: #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ ! 486: do \ ! 487: { \ ! 488: int reg = 0; \ ! 489: \ ! 490: if ((CUM).num < 2 \ ! 491: && (GET_MODE_CLASS(MODE)==MODE_INT || GET_MODE_CLASS(MODE)==MODE_FLOAT) \ ! 492: && (GET_MODE_SIZE (MODE) <= 8) \ ! 493: && ((MODE) != DImode || (CUM).num == 0)) \ ! 494: { \ ! 495: reg = 1; \ ! 496: if ((MODE) == DImode) \ ! 497: (CUM).num = 1; \ ! 498: } \ ! 499: \ ! 500: (CUM).num++; \ ! 501: \ ! 502: if (! reg) \ ! 503: { \ ! 504: int align = FUNCTION_ARG_BOUNDARY (MODE, TYPE) / BITS_PER_UNIT; \ ! 505: (CUM).size += align - 1; \ ! 506: (CUM).size &= align - 1; \ ! 507: (CUM).size += CLIPPER_ARG_SIZE (MODE, TYPE); \ ! 508: } \ ! 509: } while (0) ! 510: ! 511: /* Define where to put the arguments to a function. ! 512: Value is zero to push the argument on the stack, ! 513: or a hard register in which to store the argument. ! 514: ! 515: MODE is the argument's machine mode. ! 516: TYPE is the data type of the argument (as a tree). ! 517: This is null for libcalls where that information may ! 518: not be available. ! 519: CUM is a variable of type CUMULATIVE_ARGS which gives info about ! 520: the preceding args and about the function being called. ! 521: NAMED is nonzero if this argument is a named parameter ! 522: (otherwise it is an extra parameter matching an ellipsis). ! 523: ! 524: 2 args may go into regs. These must be MODE_INT or MODE_FLOAT but only ! 525: if they really fit into ONE register. The exception is a DImode arg ! 526: that occupies both register slots. */ ! 527: ! 528: #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ ! 529: (((CUM).num < 2 \ ! 530: && (GET_MODE_CLASS(MODE)==MODE_INT || GET_MODE_CLASS(MODE)==MODE_FLOAT) \ ! 531: && (GET_MODE_SIZE (MODE) <= 8) \ ! 532: && ((MODE) != DImode || (CUM).num == 0)) \ ! 533: ? gen_rtx (REG, (MODE), \ ! 534: GET_MODE_CLASS(MODE) == MODE_FLOAT ? (CUM).num+16 : (CUM).num) \ ! 535: : 0) ! 536: ! 537: /* If defined, a C expression that gives the alignment boundary, in bits, ! 538: of an argument with the specified mode and type. If it is not defined, ! 539: `PARM_BOUNDARY' is used for all arguments. */ ! 540: ! 541: #define FUNCTION_ARG_BOUNDARY(MODE, TYPE) \ ! 542: (((TYPE) ? TYPE_ALIGN (TYPE) : GET_MODE_SIZE (MODE)) <= PARM_BOUNDARY \ ! 543: ? PARM_BOUNDARY : 2 * PARM_BOUNDARY) ! 544: ! 545: /* For an arg passed partly in registers and partly in memory, ! 546: this is the number of registers used. ! 547: For args passed entirely in registers or entirely in memory, zero. ! 548: Clipper never passed args partially in regs/mem. */ ! 549: ! 550: /* #define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) 0 */ ! 551: ! 552: /* Generate necessary RTL for __builtin_saveregs(). ! 553: ARGLIST is the argument list; see expr.c. */ ! 554: ! 555: #define EXPAND_BUILTIN_SAVEREGS(ARGLIST) clipper_builtin_saveregs (ARGLIST) ! 556: ! 557: /* This macro generates the assembly code for function entry. ! 558: FILE is a stdio stream to output the code to. ! 559: SIZE is an int: how many units of temporary storage to allocate. ! 560: Refer to the array `regs_ever_live' to determine which registers ! 561: to save; `regs_ever_live[I]' is nonzero if register number I ! 562: is ever used in the function. This macro is responsible for ! 563: knowing which registers should not be saved even if used. */ ! 564: ! 565: #define FUNCTION_PROLOGUE(FILE, SIZE) output_function_prologue (FILE,SIZE) ! 566: ! 567: /* Output assembler code to FILE to increment profiler label # LABELNO ! 568: for profiling a function entry. */ ! 569: ! 570: #define FUNCTION_PROFILER(FILE, LABELNO) /* FIXME */ ! 571: ! 572: /* Output assembler code to FILE to initialize this source file's ! 573: basic block profiling info, if that has not already been done. */ ! 574: ! 575: #define FUNCTION_BLOCK_PROFILER(FILE, LABELNO) /* FIXME */ ! 576: ! 577: /* Output assembler code to FILE to increment the entry-count for ! 578: the BLOCKNO'th basic block in this source file. */ ! 579: ! 580: #define BLOCK_PROFILER(FILE, BLOCKNO) /* FIXME */ ! 581: ! 582: /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, ! 583: the stack pointer does not matter. The value is tested only in ! 584: functions that have frame pointers. ! 585: No definition is equivalent to always zero. */ ! 586: ! 587: #define EXIT_IGNORE_STACK 1 ! 588: ! 589: /* This macro generates the assembly code for function exit, ! 590: on machines that need it. If FUNCTION_EPILOGUE is not defined ! 591: then individual return instructions are generated for each ! 592: return statement. Args are same as for FUNCTION_PROLOGUE. */ ! 593: ! 594: #define FUNCTION_EPILOGUE(FILE, SIZE) output_function_epilogue(FILE,SIZE) ! 595: ! 596: /* Store in the variable DEPTH the initial difference between the ! 597: frame pointer reg contents and the stack pointer reg contents, ! 598: as of the start of the function body. This depends on the layout ! 599: of the fixed parts of the stack frame and on how registers are saved. */ ! 600: ! 601: #define INITIAL_FRAME_POINTER_OFFSET(DEPTH) \ ! 602: DEPTH = clipper_frame_size (get_frame_size ()) ! 603: ! 604: ! 605: /* Output assembler code for a block containing the constant parts ! 606: of a trampoline, leaving space for the variable parts. */ ! 607: ! 608: #define TRAMPOLINE_TEMPLATE(FILE) \ ! 609: { \ ! 610: fputs ("\tcall sp,.+4\n", FILE); \ ! 611: fputs ("\tmovw (sp),r3\n", FILE); \ ! 612: fputs ("\taddq $4,sp\n", FILE); \ ! 613: fputs ("\tloadw 32(r3),r2\n", FILE); \ ! 614: fputs ("\tloadw 36(r3),r3\n", FILE); \ ! 615: fputs ("\tb (r3)\n", FILE); \ ! 616: } ! 617: ! 618: /* Length in units of the trampoline for entering a nested function. */ ! 619: ! 620: #define TRAMPOLINE_SIZE 44 ! 621: ! 622: /* Alignment required for a trampoline. 128 is used to find the ! 623: beginning of a line in the instruction cache and to allow for ! 624: instruction cache lines of up to 128 bytes. */ ! 625: ! 626: #define TRAMPOLINE_ALIGNMENT 128 ! 627: ! 628: /* Section in which to place the trampoline. */ ! 629: ! 630: #define TRAMPOLINE_SECTION text_section ! 631: ! 632: /* Emit RTL insns to initialize the variable parts of a trampoline. ! 633: FNADDR is an RTX for the address of the function's pure code. ! 634: CXT is an RTX for the static chain value for the function. */ ! 635: ! 636: #define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ ! 637: { \ ! 638: emit_move_insn (gen_rtx (MEM, SImode, plus_constant (TRAMP, 36)), CXT); \ ! 639: emit_move_insn (gen_rtx (MEM, SImode, plus_constant (TRAMP, 40)), FNADDR); \ ! 640: } ! 641: ! 642: /* Addressing modes, and classification of registers for them. */ ! 643: ! 644: /* #define HAVE_POST_DECREMENT */ ! 645: ! 646: /* #define HAVE_PRE_INCREMENT */ ! 647: ! 648: /* Macros to check register numbers against specific register classes. */ ! 649: ! 650: /* These assume that REGNO is a hard or pseudo reg number. ! 651: They give nonzero only if REGNO is a hard reg of the suitable class ! 652: or a pseudo reg currently allocated to a suitable hard reg. ! 653: Since they use reg_renumber, they are safe only once reg_renumber ! 654: has been allocated, which happens in local-alloc.c. */ ! 655: ! 656: #define REGNO_OK_FOR_INDEX_P(regno) \ ! 657: ((regno) < 16 || (unsigned)reg_renumber[regno] < 16) ! 658: #define REGNO_OK_FOR_BASE_P(regno) \ ! 659: ((regno) < 16 || (unsigned)reg_renumber[regno] < 16) ! 660: ! 661: /* Maximum number of registers that can appear in a valid memory address. */ ! 662: ! 663: #define MAX_REGS_PER_ADDRESS 2 ! 664: ! 665: /* 1 if X is an rtx for a constant that is a valid address. */ ! 666: ! 667: #define CONSTANT_ADDRESS_P(X) \ ! 668: (GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \ ! 669: || GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST \ ! 670: || GET_CODE (X) == HIGH) ! 671: ! 672: /* Nonzero if the constant value X is a legitimate general operand. ! 673: It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE. */ ! 674: ! 675: #define LEGITIMATE_CONSTANT_P(X) 1 ! 676: ! 677: /* The macros REG_OK_FOR..._P assume that the arg is a REG rtx ! 678: and check its validity for a certain class. ! 679: We have two alternate definitions for each of them. ! 680: The usual definition accepts all pseudo regs; the other rejects ! 681: them unless they have been allocated suitable hard regs. ! 682: The symbol REG_OK_STRICT causes the latter definition to be used. ! 683: ! 684: Most source files want to accept pseudo regs in the hope that ! 685: they will get allocated to the class that the insn wants them to be in. ! 686: Source files for reload pass need to be strict. ! 687: After reload, it makes no difference, since pseudo regs have ! 688: been eliminated by then. */ ! 689: ! 690: /* clipper doesn't have true indexing */ ! 691: ! 692: #ifndef REG_OK_STRICT ! 693: ! 694: /* Nonzero if X is a hard reg that can be used as an index ! 695: or if it is a pseudo reg. */ ! 696: ! 697: #define REG_OK_FOR_INDEX_P(X) \ ! 698: (REGNO (X) < 16 || REGNO(X) >= FIRST_PSEUDO_REGISTER) ! 699: ! 700: /* Nonzero if X is a hard reg that can be used as a base reg ! 701: or if it is a pseudo reg. */ ! 702: ! 703: #define REG_OK_FOR_BASE_P(X) \ ! 704: (REGNO (X) < 16 || REGNO(X) >= FIRST_PSEUDO_REGISTER) ! 705: ! 706: #else ! 707: ! 708: /* Nonzero if X is a hard reg that can be used as an index. */ ! 709: #define REG_OK_FOR_INDEX_P(X) (REGNO(X) < 16) ! 710: ! 711: /* Nonzero if X is a hard reg that can be used as a base reg. */ ! 712: #define REG_OK_FOR_BASE_P(X) (REGNO(X) < 16) ! 713: ! 714: #endif ! 715: ! 716: /* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression ! 717: that is a valid memory address for an instruction. ! 718: The MODE argument is the machine mode for the MEM expression ! 719: that wants to use this address. ! 720: ! 721: The other macros defined here are used only in GO_IF_LEGITIMATE_ADDRESS, ! 722: except for CONSTANT_ADDRESS_P which is actually machine-independent. */ ! 723: ! 724: /* Non-zero if X is an address which can be indirected. */ ! 725: ! 726: #define INDIRECTABLE_CONSTANT_ADDRESS_P(X) 0 ! 727: ! 728: #define INDIRECTABLE_ADDRESS_P(X) \ ! 729: (GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X)) ! 730: ! 731: /* Go to ADDR if X is a valid address not using indexing. ! 732: (This much is the easy part.) */ ! 733: ! 734: #define GO_IF_NONINDEXED_ADDRESS(X, ADDR) \ ! 735: { if (CONSTANT_ADDRESS_P (X)) goto ADDR; \ ! 736: if (INDIRECTABLE_ADDRESS_P (X)) goto ADDR; } ! 737: ! 738: #define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \ ! 739: { register rtx xfoo = (X); \ ! 740: GO_IF_NONINDEXED_ADDRESS (xfoo, ADDR); \ ! 741: if (GET_CODE (xfoo) == PLUS) \ ! 742: { register rtx xfoo0, xfoo1; \ ! 743: xfoo0 = XEXP (xfoo, 0); \ ! 744: xfoo1 = XEXP (xfoo, 1); \ ! 745: /* handle reg + reg -> [r1](r0) */ \ ! 746: if (INDIRECTABLE_ADDRESS_P (xfoo0) && INDIRECTABLE_ADDRESS_P (xfoo1)) \ ! 747: goto ADDR; \ ! 748: /* Handle <symbol>(reg) -> xxx(r0) */ \ ! 749: if (INDIRECTABLE_ADDRESS_P (xfoo0) && CONSTANT_ADDRESS_P (xfoo1)) \ ! 750: goto ADDR; \ ! 751: if (INDIRECTABLE_ADDRESS_P (xfoo1) && CONSTANT_ADDRESS_P (xfoo0)) \ ! 752: goto ADDR; }} ! 753: ! 754: ! 755: /* Try machine-dependent ways of modifying an illegitimate address ! 756: to be legitimate. If we find one, return the new, valid address. ! 757: This macro is used in only one place: `memory_address' in explow.c. ! 758: ! 759: OLDX is the address as it was before break_out_memory_refs was called. ! 760: In some cases it is useful to look at this to decide what needs to be done. ! 761: ! 762: MODE and WIN are passed so that this macro can use ! 763: GO_IF_LEGITIMATE_ADDRESS. ! 764: ! 765: It is always safe for this macro to do nothing. It exists to recognize ! 766: opportunities to optimize the output. ! 767: ! 768: For the clipper, nothing needs to be done. */ ! 769: ! 770: #define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN) {} ! 771: ! 772: /* Go to LABEL if ADDR (a legitimate address expression) ! 773: has an effect that depends on the machine mode it is used for. */ ! 774: ! 775: #define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) {} ! 776: ! 777: ! 778: /* Specify the machine mode that this machine uses ! 779: for the index in the tablejump instruction. */ ! 780: #define CASE_VECTOR_MODE SImode ! 781: ! 782: /* Define this if the case instruction expects the table ! 783: to contain offsets from the address of the table. ! 784: Do not define this if the table should contain absolute addresses. */ ! 785: /* #define CASE_VECTOR_PC_RELATIVE */ ! 786: ! 787: /* Define this if the case instruction drops through after the table ! 788: when the index is out of range. Don't define it if the case insn ! 789: jumps to the default label instead. */ ! 790: /* #define CASE_DROPS_THROUGH */ ! 791: ! 792: /* Define if operations between registers always perform the operation ! 793: on the full register even if a narrower mode is specified. */ ! 794: #define WORD_REGISTER_OPERATIONS ! 795: ! 796: /* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD ! 797: will either zero-extend or sign-extend. The value of this macro should ! 798: be the code that says which one of the two operations is implicitly ! 799: done, NIL if none. */ ! 800: #define LOAD_EXTEND_OP(MODE) SIGN_EXTEND ! 801: ! 802: /* Specify the tree operation to be used to convert reals to integers. */ ! 803: #define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR ! 804: ! 805: /* This is the kind of divide that is easiest to do in the general case. */ ! 806: #define EASY_DIV_EXPR TRUNC_DIV_EXPR ! 807: ! 808: /* Define this as 1 if `char' should by default be signed; else as 0. */ ! 809: #define DEFAULT_SIGNED_CHAR 1 ! 810: ! 811: /* This flag, if defined, says the same insns that convert to a signed fixnum ! 812: also convert validly to an unsigned one. */ ! 813: #define FIXUNS_TRUNC_LIKE_FIX_TRUNC ! 814: ! 815: /* Max number of bytes we can move from memory to memory ! 816: in one reasonably fast instruction. */ ! 817: #define MOVE_MAX 4 ! 818: ! 819: /* MOVE_RATIO is the number of move instructions that is better than a ! 820: block move. Make this large on clipper, since the block move is very ! 821: inefficient with small blocks, and the hard register needs of the ! 822: block move require much reload work. */ ! 823: ! 824: #define MOVE_RATIO 20 ! 825: ! 826: /* Define this if zero-extension is slow (more than one real instruction). */ ! 827: /* #define SLOW_ZERO_EXTEND */ ! 828: ! 829: /* Nonzero if access to memory by bytes is slow and undesirable. */ ! 830: #define SLOW_BYTE_ACCESS 0 ! 831: ! 832: /* Define if shifts truncate the shift count ! 833: which implies one can omit a sign-extension or zero-extension ! 834: of a shift count. */ ! 835: /* #define SHIFT_COUNT_TRUNCATED */ ! 836: ! 837: /* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits ! 838: is done just by pretending it is already truncated. */ ! 839: #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 ! 840: ! 841: /* Specify the machine mode that pointers have. ! 842: After generation of rtl, the compiler makes no further distinction ! 843: between pointers and any other objects of this machine mode. */ ! 844: #define Pmode SImode ! 845: ! 846: /* A function address in a call instruction ! 847: is a byte address (for indexing purposes) ! 848: so give the MEM rtx a byte's mode. */ ! 849: #define FUNCTION_MODE QImode ! 850: ! 851: /* This machine uses IEEE floats. */ ! 852: ! 853: #define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT ! 854: ! 855: /* Check a `double' value for validity for a particular machine mode. ! 856: This is defined to avoid crashes outputting certain constants. ! 857: Since we output the number in hex, the assembler won't choke on it. */ ! 858: /* #define CHECK_FLOAT_VALUE(MODE,VALUE) */ ! 859: ! 860: ! 861: /* Compute the cost of computing a constant rtl expression RTX ! 862: whose rtx-code is CODE. The body of this macro is a portion ! 863: of a switch statement. If the code is computed here, ! 864: return it with a return statement. Otherwise, break from the switch. */ ! 865: ! 866: /* On a Clipper, constants from 0..15 are cheap because they can use the ! 867: 'quick' mode. */ ! 868: ! 869: #define CONST_COSTS(RTX,CODE,OUTER_CODE) \ ! 870: case CONST_INT: \ ! 871: if (0 <= INTVAL (RTX) && INTVAL(RTX) <= 15 ) return 0; \ ! 872: return 1; \ ! 873: case CONST: \ ! 874: case LABEL_REF: \ ! 875: case SYMBOL_REF: \ ! 876: return 3; \ ! 877: case CONST_DOUBLE: \ ! 878: return 5; ! 879: ! 880: /* Provide the costs of a rtl expression. This is in the body of a ! 881: switch on CODE. */ ! 882: ! 883: #define RTX_COSTS(X,CODE,OUTER_CODE) \ ! 884: case MULT: \ ! 885: return COSTS_N_INSNS (4); \ ! 886: case DIV: \ ! 887: case UDIV: \ ! 888: case MOD: \ ! 889: case UMOD: \ ! 890: return COSTS_N_INSNS (40); \ ! 891: case LSHIFT: \ ! 892: case ASHIFT: \ ! 893: case LSHIFTRT: \ ! 894: case ASHIFTRT: \ ! 895: return COSTS_N_INSNS (2); \ ! 896: case SIGN_EXTEND: \ ! 897: return (GET_CODE (XEXP (X,0)) == REG ? COSTS_N_INSNS (3) : 4); ! 898: ! 899: /* Specify the cost of a branch insn; roughly the number of extra insns that ! 900: should be added to avoid a branch */ ! 901: ! 902: /* #define BRANCH_COST 0 */ ! 903: ! 904: ! 905: /* Tell final.c how to eliminate redundant test instructions. */ ! 906: ! 907: /* Here we define machine-dependent flags and fields in cc_status ! 908: (see `conditions.h'). No extra ones are needed for the clipper. */ ! 909: ! 910: /* Store in cc_status the expressions ! 911: that the condition codes will describe ! 912: after execution of an instruction whose pattern is EXP. ! 913: Do not alter them if the instruction would not alter the cc's. */ ! 914: ! 915: #define NOTICE_UPDATE_CC(EXP, INSN) \ ! 916: { \ ! 917: enum attr_cc cc = get_attr_cc (INSN); \ ! 918: rtx dest = SET_DEST (EXP); \ ! 919: switch (cc) \ ! 920: { \ ! 921: case CC_CHANGE0: \ ! 922: if (GET_CODE (EXP) == PARALLEL) abort(); \ ! 923: if (cc_status.value1 && rtx_equal_p (dest, cc_status.value1) || \ ! 924: cc_status.value2 && rtx_equal_p (dest, cc_status.value2)) \ ! 925: CC_STATUS_INIT; \ ! 926: break; \ ! 927: \ ! 928: case CC_SET1: \ ! 929: if (GET_CODE (EXP) == PARALLEL) abort(); \ ! 930: cc_status.flags = 0; \ ! 931: cc_status.value1 = dest; \ ! 932: cc_status.value2 = 0; \ ! 933: break; \ ! 934: \ ! 935: case CC_SET2: \ ! 936: if (GET_CODE (EXP) == PARALLEL) abort(); \ ! 937: cc_status.flags = 0; \ ! 938: cc_status.value1 = dest; \ ! 939: cc_status.value2 = SET_SRC (EXP); \ ! 940: break; \ ! 941: \ ! 942: case CC_UNCHANGED: \ ! 943: break; \ ! 944: \ ! 945: case CC_CLOBBER: \ ! 946: CC_STATUS_INIT; \ ! 947: break; \ ! 948: \ ! 949: default: \ ! 950: abort (); \ ! 951: } \ ! 952: } ! 953: ! 954: ! 955: /* Control the assembler format that we output. */ ! 956: ! 957: /* Output at beginning of assembler file. */ ! 958: ! 959: #define ASM_FILE_START(FILE) fprintf (FILE, "#NO_APP\n"); ! 960: ! 961: /* Output to assembler file text saying following lines ! 962: may contain character constants, extra white space, comments, etc. */ ! 963: ! 964: #define ASM_APP_ON "#APP\n" ! 965: ! 966: /* Output to assembler file text saying following lines ! 967: no longer contain unusual constructs. */ ! 968: ! 969: #define ASM_APP_OFF "#NO_APP\n" ! 970: ! 971: /* Output before read-only data. */ ! 972: ! 973: #define TEXT_SECTION_ASM_OP ".text" ! 974: ! 975: /* Output before writable data. */ ! 976: ! 977: #define DATA_SECTION_ASM_OP ".data" ! 978: ! 979: /* How to refer to registers in assembler output. ! 980: This sequence is indexed by compiler's hard-register-number (see above). */ ! 981: ! 982: #define REGISTER_NAMES \ ! 983: {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", \ ! 984: "r9", "r10", "r11", "r12", "r13", "fp", "sp", \ ! 985: "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", \ ! 986: "f9", "f10", "f11", "f12", "f13", "f14", "f15" } ! 987: ! 988: /* How to renumber registers for dbx and gdb. ! 989: Clipper needs no change in the numeration. */ ! 990: ! 991: #define DBX_REGISTER_NUMBER(REGNO) (REGNO) ! 992: ! 993: ! 994: /* This is how to output the definition of a user-level label named NAME, ! 995: such as the label on a static function or variable NAME. */ ! 996: ! 997: #define ASM_OUTPUT_LABEL(FILE,NAME) \ ! 998: do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0) ! 999: ! 1000: /* This is how to output a command to make the user-level label named NAME ! 1001: defined for reference from other files. */ ! 1002: ! 1003: #define ASM_GLOBALIZE_LABEL(FILE,NAME) \ ! 1004: do { fputs (".globl ", FILE); assemble_name (FILE, NAME); fputs ("\n", FILE);} while (0) ! 1005: ! 1006: /* This is how to output an assembler line defining an `int' constant. */ ! 1007: ! 1008: #define ASM_OUTPUT_INT(FILE,VALUE) \ ! 1009: ( fprintf (FILE, "\t.long "), \ ! 1010: output_addr_const (FILE, (VALUE)), \ ! 1011: fprintf (FILE, "\n")) ! 1012: ! 1013: /* Likewise for `char' and `short' constants. */ ! 1014: ! 1015: #define ASM_OUTPUT_SHORT(FILE,VALUE) \ ! 1016: ( fprintf (FILE, "\t.word "), \ ! 1017: output_addr_const (FILE, (VALUE)), \ ! 1018: fprintf (FILE, "\n")) ! 1019: ! 1020: #define ASM_OUTPUT_CHAR(FILE,VALUE) \ ! 1021: ( fprintf (FILE, "\t.byte "), \ ! 1022: output_addr_const (FILE, (VALUE)), \ ! 1023: fprintf (FILE, "\n")) ! 1024: ! 1025: /* This is how to output an assembler line for a numeric constant byte. */ ! 1026: ! 1027: #define ASM_OUTPUT_BYTE(FILE,VALUE) \ ! 1028: fprintf (FILE, "\t.byte 0x%x\n", (VALUE)) ! 1029: ! 1030: /* This is how to output an insn to push a register on the stack. ! 1031: It need not be very fast code. */ ! 1032: ! 1033: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ ! 1034: fprintf (FILE, "\tsubq $8,sp\n\t%s %s,(sp)\n", \ ! 1035: (REGNO) < 16 ? "storw" : "stord", reg_names[REGNO]) ! 1036: ! 1037: /* This is how to output an insn to pop a register from the stack. ! 1038: It need not be very fast code. */ ! 1039: ! 1040: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \ ! 1041: fprintf (FILE, "\t%s (sp),%s\n\t\addq $8,sp\n", \ ! 1042: (REGNO) < 16 ? "loadw" : "loadd", reg_names[REGNO]) ! 1043: /* This is how to output an element of a case-vector that is absolute */ ! 1044: ! 1045: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ ! 1046: fprintf (FILE, "\t.long .L%d\n", VALUE) ! 1047: ! 1048: /* This is how to output an element of a case-vector that is relative. */ ! 1049: ! 1050: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ ! 1051: fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL) ! 1052: ! 1053: /* This is how to output an assembler line ! 1054: that says to advance the location counter by SIZE bytes. */ ! 1055: ! 1056: #define ASM_OUTPUT_SKIP(FILE,SIZE) \ ! 1057: fprintf (FILE, "\t.space %u\n", (SIZE)) ! 1058: ! 1059: /* This says how to output an assembler line ! 1060: to define a local common symbol. */ ! 1061: ! 1062: #define ASM_OUTPUT_ALIGNED_LOCAL(FILE,NAME,SIZE,ALIGN) \ ! 1063: ( data_section (), \ ! 1064: fputs ("\t.bss\t", (FILE)), \ ! 1065: assemble_name ((FILE), (NAME)), \ ! 1066: fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN)/BITS_PER_UNIT)) ! 1067: ! 1068: /* Store in OUTPUT a string (made with alloca) containing ! 1069: an assembler-name for a local static variable named NAME. ! 1070: LABELNO is an integer which is different for each call. */ ! 1071: ! 1072: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ ! 1073: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10), \ ! 1074: sprintf ((OUTPUT), "%s.%d", (NAME), (LABELNO))) ! 1075: ! 1076: /* Define the parentheses used to group arithmetic operations ! 1077: in assembler code. */ ! 1078: ! 1079: #define ASM_OPEN_PAREN "(" ! 1080: #define ASM_CLOSE_PAREN ")" ! 1081: ! 1082: /* Define results of standard character escape sequences. */ ! 1083: #define TARGET_BELL 007 ! 1084: #define TARGET_BS 010 ! 1085: #define TARGET_TAB 011 ! 1086: #define TARGET_NEWLINE 012 ! 1087: #define TARGET_VT 013 ! 1088: #define TARGET_FF 014 ! 1089: #define TARGET_CR 015 ! 1090: ! 1091: /* Print an instruction operand X on file FILE. ! 1092: CODE is the code from the %-spec that requested printing this operand; ! 1093: if `%z3' was used to print operand 3, then CODE is 'z'. ! 1094: ! 1095: Clipper operand formatting codes: ! 1096: ! 1097: letter print ! 1098: C reverse branch condition ! 1099: */ ! 1100: ! 1101: #define PRINT_OPERAND_PUNCT_VALID_P(CODE) \ ! 1102: ((CODE) == 'C') ! 1103: ! 1104: #define PRINT_OPERAND(FILE, X, CODE) \ ! 1105: { extern char *rev_cond_name (); \ ! 1106: if (CODE == 'C') \ ! 1107: fputs (rev_cond_name (X), FILE); \ ! 1108: else if (GET_CODE (X) == REG) \ ! 1109: fprintf (FILE, "%s", reg_names[REGNO (X)]); \ ! 1110: else if (GET_CODE (X) == MEM) \ ! 1111: output_address (XEXP (X, 0)); \ ! 1112: else { putc ('$', FILE); output_addr_const (FILE, X); }} ! 1113: ! 1114: /* Print a memory operand whose address is X, on file FILE. ! 1115: This uses a function in output-clipper.c. */ ! 1116: ! 1117: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ ! 1118: print_operand_address (FILE, ADDR) ! 1119: ! 1120: /* Define the codes that are matched by predicates in clipper.c */ ! 1121: ! 1122: #define PREDICATE_CODES \ ! 1123: {"int_reg_operand", {SUBREG, REG}}, \ ! 1124: {"fp_reg_operand", {SUBREG, REG}},
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.