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