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Annotation of researchv10dc/cmd/gcc/tm-ns32k.h, revision 1.1

1.1     ! root        1: /* Definitions of target machine for GNU compiler.  NS32000 version.
        !             2:    Copyright (C) 1988 Free Software Foundation, Inc.
        !             3:    Contributed by Michael Tiemann ([email protected])
        !             4: 
        !             5: This file is part of GNU CC.
        !             6: 
        !             7: GNU CC is distributed in the hope that it will be useful,
        !             8: but WITHOUT ANY WARRANTY.  No author or distributor
        !             9: accepts responsibility to anyone for the consequences of using it
        !            10: or for whether it serves any particular purpose or works at all,
        !            11: unless he says so in writing.  Refer to the GNU CC General Public
        !            12: License for full details.
        !            13: 
        !            14: Everyone is granted permission to copy, modify and redistribute
        !            15: GNU CC, but only under the conditions described in the
        !            16: GNU CC General Public License.   A copy of this license is
        !            17: supposed to have been given to you along with GNU CC so you
        !            18: can know your rights and responsibilities.  It should be in a
        !            19: file named COPYING.  Among other things, the copyright notice
        !            20: and this notice must be preserved on all copies.  */
        !            21: 
        !            22: 
        !            23: /* Note that some other tm- files include this one and then override
        !            24:    many of the definitions that relate to assembler syntax.  */
        !            25: 
        !            26: 
        !            27: /* Names to predefine in the preprocessor for this target machine.  */
        !            28: 
        !            29: #define CPP_PREDEFINES "-Dns32000 -Dunix"
        !            30: 
        !            31: /* Print subsidiary information on the compiler version in use.  */
        !            32: #define TARGET_VERSION printf (" (32000, National syntax)");
        !            33: 
        !            34: /* Run-time compilation parameters selecting different hardware subsets.  */
        !            35: 
        !            36: extern int target_flags;
        !            37: 
        !            38: /* Macros used in the machine description to test the flags.  */
        !            39: 
        !            40: /* Compile 32081 insns for floating point (not library calls). */
        !            41: #define TARGET_32081 (target_flags & 1)
        !            42: /* Compile using rtd insn calling sequence.
        !            43:    This will not work unless you use prototypes at least
        !            44:    for all functions that can take varying numbers of args.  */
        !            45: #define TARGET_RTD (target_flags & 2)
        !            46: /* Compile passing first two args in regs 0 and 1.  */
        !            47: #define TARGET_REGPARM (target_flags & 4)
        !            48: 
        !            49: /* Macro to define tables used to set the flags.
        !            50:    This is a list in braces of pairs in braces,
        !            51:    each pair being { "NAME", VALUE }
        !            52:    where VALUE is the bits to set or minus the bits to clear.
        !            53:    An empty string NAME is used to identify the default VALUE.  */
        !            54: 
        !            55: #define TARGET_SWITCHES  \
        !            56:   { { "32081", 1},                             \
        !            57:     { "soft-float", -1},                       \
        !            58:     { "rtd", 2},                               \
        !            59:     { "nortd", -2},                            \
        !            60:     { "regparm", 4},                           \
        !            61:     { "noregparm", -4},                                \
        !            62:     { "", TARGET_DEFAULT}}
        !            63: 
        !            64: /* target machine storage layout */
        !            65: 
        !            66: /* Define this if most significant bit is lowest numbered
        !            67:    in instructions that operate on numbered bit-fields.
        !            68:    This is not true on the ns32k.  */
        !            69: /* #define BITS_BIG_ENDIAN */
        !            70: 
        !            71: /* Define this if most significant byte of a word is the lowest numbered.  */
        !            72: /* That is not true on the ns32k.  */
        !            73: /* #define BYTES_BIG_ENDIAN */
        !            74: 
        !            75: /* Define this if most significant word of a multiword number is numbered.  */
        !            76: /* This is not true on the ns32k.  */
        !            77: /* #define WORDS_BIG_ENDIAN */
        !            78: 
        !            79: /* Number of bits in an addressible storage unit */
        !            80: #define BITS_PER_UNIT 8
        !            81: 
        !            82: /* Width in bits of a "word", which is the contents of a machine register.
        !            83:    Note that this is not necessarily the width of data type `int';
        !            84:    if using 16-bit ints on a 32000, this would still be 32.
        !            85:    But on a machine with 16-bit registers, this would be 16.  */
        !            86: #define BITS_PER_WORD 32
        !            87: 
        !            88: /* Width of a word, in units (bytes).  */
        !            89: #define UNITS_PER_WORD 4
        !            90: 
        !            91: /* Width in bits of a pointer.
        !            92:    See also the macro `Pmode' defined below.  */
        !            93: #define POINTER_SIZE 32
        !            94: 
        !            95: /* Allocation boundary (in *bits*) for storing pointers in memory.  */
        !            96: #define POINTER_BOUNDARY 16
        !            97: 
        !            98: /* Allocation boundary (in *bits*) for storing arguments in argument list.  */
        !            99: #define PARM_BOUNDARY 32
        !           100: 
        !           101: /* Boundary (in *bits*) on which stack pointer should be aligned.  */
        !           102: #define STACK_BOUNDARY 32
        !           103: 
        !           104: /* Allocation boundary (in *bits*) for the code of a function.  */
        !           105: #define FUNCTION_BOUNDARY 16
        !           106: 
        !           107: /* Alignment of field after `int : 0' in a structure.  */
        !           108: #define EMPTY_FIELD_BOUNDARY 32
        !           109: 
        !           110: /* Every structure's size must be a multiple of this.  */
        !           111: #define STRUCTURE_SIZE_BOUNDARY 8
        !           112: 
        !           113: /* No data type wants to be aligned rounder than this.  */
        !           114: #define BIGGEST_ALIGNMENT 32
        !           115: 
        !           116: /* Define this if move instructions will actually fail to work
        !           117:    when given unaligned data.  National claims that the NS32032
        !           118:    works without strict alignment, but rumor has it that operands
        !           119:    crossing a page boundary cause unpredictable results.  */
        !           120: #define STRICT_ALIGNMENT
        !           121: 
        !           122: /* Standard register usage.  */
        !           123: 
        !           124: /* Number of actual hardware registers.
        !           125:    The hardware registers are assigned numbers for the compiler
        !           126:    from 0 to just below FIRST_PSEUDO_REGISTER.
        !           127:    All registers that the compiler knows about must be given numbers,
        !           128:    even those that are not normally considered general registers.  */
        !           129: #define FIRST_PSEUDO_REGISTER 18
        !           130: 
        !           131: /* 1 for registers that have pervasive standard uses
        !           132:    and are not available for the register allocator.
        !           133:    On the ns32k, these are the FP, SP, (SB and PC are not included here).  */
        !           134: #define FIXED_REGISTERS {0, 0, 0, 0, 0, 0, 0, 0, \
        !           135:                         0, 0, 0, 0, 0, 0, 0, 0, \
        !           136:                         1, 1}
        !           137: 
        !           138: /* 1 for registers not available across function calls.
        !           139:    These must include the FIXED_REGISTERS and also any
        !           140:    registers that can be used without being saved.
        !           141:    The latter must include the registers where values are returned
        !           142:    and the register where structure-value addresses are passed.
        !           143:    Aside from that, you can include as many other registers as you like.  */
        !           144: #define CALL_USED_REGISTERS {1, 1, 1, 0, 0, 0, 0, 0, \
        !           145:                             1, 1, 1, 1, 0, 0, 0, 0, \
        !           146:                             1, 1}
        !           147: 
        !           148: /* Return number of consecutive hard regs needed starting at reg REGNO
        !           149:    to hold something of mode MODE.
        !           150:    This is ordinarily the length in words of a value of mode MODE
        !           151:    but can be less for certain modes in special long registers.
        !           152:    On the ns32k, all registers are 32 bits long.  */
        !           153: #define HARD_REGNO_NREGS(REGNO, MODE)   \
        !           154:  ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
        !           155: 
        !           156: /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE.
        !           157:    On the 32000, all registers can hold all modes, except that
        !           158:    double precision floats (and double ints) must fall on even-register
        !           159:    boundaries  */ 
        !           160: #define HARD_REGNO_MODE_OK(REGNO, MODE) \
        !           161:   ((MODE) == DFmode                                            \
        !           162:     ? (((REGNO) & 1) == 0                                      \
        !           163:        && (TARGET_32081 ? (REGNO) < 16 : (REGNO) < 8))         \
        !           164:    : (MODE) == DImode ? ((REGNO) & 1) == 0 && (REGNO) < 8      \
        !           165:    : 1)
        !           166: 
        !           167: /* Value is 1 if it is a good idea to tie two pseudo registers
        !           168:    when one has mode MODE1 and one has mode MODE2.
        !           169:    If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
        !           170:    for any hard reg, then this must be 0 for correct output.  */
        !           171: #define MODES_TIEABLE_P(MODE1, MODE2) \
        !           172:   (((MODE1) == DFmode || (MODE1) == DImode) == ((MODE2) == DFmode || (MODE2) == DImode))
        !           173: 
        !           174: /* Specify the registers used for certain standard purposes.
        !           175:    The values of these macros are register numbers.  */
        !           176: 
        !           177: /* NS32000 pc is not overloaded on a register.  */
        !           178: /* #define PC_REGNUM */
        !           179: 
        !           180: /* Register to use for pushing function arguments. */
        !           181: #define STACK_POINTER_REGNUM 17
        !           182: 
        !           183: /* Base register for access to local variables of the function. */
        !           184: #define FRAME_POINTER_REGNUM 16
        !           185: 
        !           186: /* Value should be nonzero if functions must have frame pointers.
        !           187:    Zero means the frame pointer need not be set up (and parms
        !           188:    may be accessed via the stack pointer) in functions that seem suitable.
        !           189:    This is computed in `reload', in reload1.c.  */
        !           190: #define FRAME_POINTER_REQUIRED 0
        !           191: 
        !           192: /* Base register for access to arguments of the function.  */
        !           193: #define ARG_POINTER_REGNUM 16
        !           194: 
        !           195: /* Register in which static-chain is passed to a function.  */
        !           196: #define STATIC_CHAIN_REGNUM 1
        !           197: 
        !           198: /* Register in which address to store a structure value
        !           199:    is passed to a function.  */
        !           200: #define STRUCT_VALUE_REGNUM 2
        !           201: 
        !           202: /* Define the classes of registers for register constraints in the
        !           203:    machine description.  Also define ranges of constants.
        !           204: 
        !           205:    One of the classes must always be named ALL_REGS and include all hard regs.
        !           206:    If there is more than one class, another class must be named NO_REGS
        !           207:    and contain no registers.
        !           208: 
        !           209:    The name GENERAL_REGS must be the name of a class (or an alias for
        !           210:    another name such as ALL_REGS).  This is the class of registers
        !           211:    that is allowed by "g" or "r" in a register constraint.
        !           212:    Also, registers outside this class are allocated only when
        !           213:    instructions express preferences for them.
        !           214: 
        !           215:    The classes must be numbered in nondecreasing order; that is,
        !           216:    a larger-numbered class must never be contained completely
        !           217:    in a smaller-numbered class.
        !           218: 
        !           219:    For any two classes, it is very desirable that there be another
        !           220:    class that represents their union.  */
        !           221:    
        !           222: enum reg_class { NO_REGS, GENERAL_REGS, FLOAT_REGS, GEN_AND_FLOAT_REGS,
        !           223:                 GEN_AND_MEM_REGS, ALL_REGS, LIM_REG_CLASSES };
        !           224: 
        !           225: #define N_REG_CLASSES (int) LIM_REG_CLASSES
        !           226: 
        !           227: /* Give names of register classes as strings for dump file.   */
        !           228: 
        !           229: #define REG_CLASS_NAMES \
        !           230:  {"NO_REGS", "GENERAL_REGS", "FLOAT_REGS", "GEN_AND_FLOAT_REGS", "GEN_AND_MEM_REGS", "ALL_REGS" }
        !           231: 
        !           232: /* Define which registers fit in which classes.
        !           233:    This is an initializer for a vector of HARD_REG_SET
        !           234:    of length N_REG_CLASSES.  */
        !           235: 
        !           236: #define REG_CLASS_CONTENTS {0, 0x00ff, 0xff00, 0xffff, 0x300ff, 0x3ffff, }
        !           237: 
        !           238: /* The same information, inverted:
        !           239:    Return the class number of the smallest class containing
        !           240:    reg number REGNO.  This could be a conditional expression
        !           241:    or could index an array.  */
        !           242: 
        !           243: #define REGNO_REG_CLASS(REGNO) \
        !           244:   ((REGNO) < 8 ? GENERAL_REGS : (REGNO) < 16 ? FLOAT_REGS : ALL_REGS)
        !           245: 
        !           246: /* The class value for index registers, and the one for base regs.  */
        !           247: 
        !           248: #define INDEX_REG_CLASS GENERAL_REGS
        !           249: #define BASE_REG_CLASS GEN_AND_MEM_REGS
        !           250: 
        !           251: /* Get reg_class from a letter such as appears in the machine description.  */
        !           252: 
        !           253: #define REG_CLASS_FROM_LETTER(C)       \
        !           254:  ((C) == 'r' ? GENERAL_REGS            \
        !           255:   : (C) == 'f' ? FLOAT_REGS            \
        !           256:   : (C) == 'x' ? GEN_AND_MEM_REGS      \
        !           257:   : NO_REGS)
        !           258: 
        !           259: /* The letters I, J, K, L and M in a register constraint string
        !           260:    can be used to stand for particular ranges of immediate operands.
        !           261:    This macro defines what the ranges are.
        !           262:    C is the letter, and VALUE is a constant value.
        !           263:    Return 1 if VALUE is in the range specified by C.
        !           264: 
        !           265:    On the ns32k, these letters are used as follows:
        !           266: 
        !           267:    I : Matches integers which are valid shift amounts for scaled indexing.
        !           268:        These are 0, 1, 2, 3 for byte, word, double, and quadword.
        !           269:    J : Matches integers which fit a "quick" operand.
        !           270:    K : Matches integers 0 to 7 (for inss and exts instructions).  */
        !           271: 
        !           272: #define CONST_OK_FOR_LETTER_P(VALUE, C)  \
        !           273:   ((VALUE) < 8 && (VALUE) + 8 >= 0 ?           \
        !           274:    ((C) == 'I' ? (0 <= (VALUE) && (VALUE) <= 3) : \
        !           275:     (C) == 'J' ? (VALUE) <= 7 :                        \
        !           276:     (C) == 'K' ? 0 <= (VALUE) : 0) : 0)
        !           277: 
        !           278: /* Similar, but for floating constants, and defining letters G and H.
        !           279:    Here VALUE is the CONST_DOUBLE rtx itself.  */
        !           280: 
        !           281: #define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 1
        !           282: 
        !           283: /* Given an rtx X being reloaded into a reg required to be
        !           284:    in class CLASS, return the class of reg to actually use.
        !           285:    In general this is just CLASS; but on some machines
        !           286:    in some cases it is preferable to use a more restrictive class.  */
        !           287: 
        !           288: #define PREFERRED_RELOAD_CLASS(X,CLASS)  (CLASS)
        !           289: 
        !           290: /* Return the maximum number of consecutive registers
        !           291:    needed to represent mode MODE in a register of class CLASS.  */
        !           292: /* On the 32000, this is the size of MODE in words */
        !           293: #define CLASS_MAX_NREGS(CLASS, MODE) \
        !           294:   ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
        !           295: 
        !           296: /* Stack layout; function entry, exit and calling.  */
        !           297: 
        !           298: /* Define this if pushing a word on the stack
        !           299:    makes the stack pointer a smaller address.  */
        !           300: #define STACK_GROWS_DOWNWARD
        !           301: 
        !           302: /* Define this if the nominal address of the stack frame
        !           303:    is at the high-address end of the local variables;
        !           304:    that is, each additional local variable allocated
        !           305:    goes at a more negative offset in the frame.  */
        !           306: #define FRAME_GROWS_DOWNWARD
        !           307: 
        !           308: /* Offset within stack frame to start allocating local variables at.
        !           309:    If FRAME_GROWS_DOWNWARD, this is the offset to the END of the
        !           310:    first local allocated.  Otherwise, it is the offset to the BEGINNING
        !           311:    of the first local allocated.  */
        !           312: #define STARTING_FRAME_OFFSET 0
        !           313: 
        !           314: /* If we generate an insn to push BYTES bytes,
        !           315:    this says how many the stack pointer really advances by.
        !           316:    On the 32000, sp@- in a byte insn really pushes a BYTE.  */
        !           317: #define PUSH_ROUNDING(BYTES) (BYTES)
        !           318: 
        !           319: /* Offset of first parameter from the argument pointer register value.  */
        !           320: #define FIRST_PARM_OFFSET 8
        !           321: 
        !           322: /* Value is 1 if returning from a function call automatically
        !           323:    pops the arguments described by the number-of-args field in the call.
        !           324:    FUNTYPE is the data type of the function (as a tree),
        !           325:    or for a library call it is an identifier node for the subroutine name.
        !           326: 
        !           327:    On the 32000, the RET insn may be used to pop them if the number
        !           328:      of args is fixed, but if the number is variable then the caller
        !           329:      must pop them all.  RET can't be used for library calls now
        !           330:      because the library is compiled with the Unix compiler.
        !           331:    Use of RET is a selectable option, since it is incompatible with
        !           332:    standard Unix calling sequences.  If the option is not selected,
        !           333:    the caller must always pop the args.  */
        !           334: 
        !           335: #define RETURN_POPS_ARGS(FUNTYPE)   \
        !           336:   (TARGET_RTD && TREE_CODE (FUNTYPE) != IDENTIFIER_NODE                \
        !           337:    && (TYPE_ARG_TYPES (FUNTYPE) == 0                           \
        !           338:        || TREE_VALUE (tree_last (TYPE_ARG_TYPES (FUNTYPE))) == void_type_node))
        !           339: 
        !           340: /* Define how to find the value returned by a function.
        !           341:    VALTYPE is the data type of the value (as a tree).
        !           342:    If the precise function being called is known, FUNC is its FUNCTION_DECL;
        !           343:    otherwise, FUNC is 0.  */
        !           344: 
        !           345: /* On the 32000 the return value is in R0,
        !           346:    or perhaps in F0 is there is fp support.  */   
        !           347: 
        !           348: #define FUNCTION_VALUE(VALTYPE, FUNC)  \
        !           349:   (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_32081 \
        !           350:    ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \
        !           351:    : gen_rtx (REG, TYPE_MODE (VALTYPE), 0))
        !           352: 
        !           353: /* Define how to find the value returned by a library function
        !           354:    assuming the value has mode MODE.  */
        !           355: 
        !           356: /* On the 32000 the return value is in R0,
        !           357:    or perhaps F0 is there is fp support.  */   
        !           358: 
        !           359: #define LIBCALL_VALUE(MODE)  \
        !           360:   (((MODE) == DFmode || (MODE) == SFmode) && TARGET_32081 \
        !           361:    ? gen_rtx (REG, MODE, 8) \
        !           362:    : gen_rtx (REG, MODE, 0))
        !           363: 
        !           364: /* 1 if N is a possible register number for a function value.
        !           365:    On the 32000, R0 and F0 are the only registers thus used.  */
        !           366: 
        !           367: #define FUNCTION_VALUE_REGNO_P(N) (((N) & ~8) == 0)
        !           368: 
        !           369: /* 1 if N is a possible register number for function argument passing.
        !           370:    On the 32000, no registers are used in this way.  */
        !           371: 
        !           372: #define FUNCTION_ARG_REGNO_P(N) 0
        !           373: 
        !           374: /* Define a data type for recording info about an argument list
        !           375:    during the scan of that argument list.  This data type should
        !           376:    hold all necessary information about the function itself
        !           377:    and about the args processed so far, enough to enable macros
        !           378:    such as FUNCTION_ARG to determine where the next arg should go.
        !           379: 
        !           380:    On the ns32k, this is a single integer, which is a number of bytes
        !           381:    of arguments scanned so far.  */
        !           382: 
        !           383: #define CUMULATIVE_ARGS int
        !           384: 
        !           385: /* Initialize a variable CUM of type CUMULATIVE_ARGS
        !           386:    for a call to a function whose data type is FNTYPE.
        !           387:    For a library call, FNTYPE is 0.
        !           388: 
        !           389:    On the ns32k, the offset starts at 0.  */
        !           390: 
        !           391: #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE)       \
        !           392:  ((CUM) = 0)
        !           393: 
        !           394: /* Update the data in CUM to advance over an argument
        !           395:    of mode MODE and data type TYPE.
        !           396:    (TYPE is null for libcalls where that information may not be available.)  */
        !           397: 
        !           398: #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED)   \
        !           399:  ((CUM) += ((MODE) != BLKmode                  \
        !           400:            ? (GET_MODE_SIZE (MODE) + 3) & ~3   \
        !           401:            : (int_size_in_bytes (TYPE) + 3) & ~3))
        !           402: 
        !           403: /* Define where to put the arguments to a function.
        !           404:    Value is zero to push the argument on the stack,
        !           405:    or a hard register in which to store the argument.
        !           406: 
        !           407:    MODE is the argument's machine mode.
        !           408:    TYPE is the data type of the argument (as a tree).
        !           409:     This is null for libcalls where that information may
        !           410:     not be available.
        !           411:    CUM is a variable of type CUMULATIVE_ARGS which gives info about
        !           412:     the preceding args and about the function being called.
        !           413:    NAMED is nonzero if this argument is a named parameter
        !           414:     (otherwise it is an extra parameter matching an ellipsis).  */
        !           415: 
        !           416: /* On the 32000 all args are pushed, except if -mregparm is specified
        !           417:    then the first two words of arguments are passed in r0, r1.
        !           418:    *NOTE* -mregparm does not work.
        !           419:    It exists only to test register calling conventions.  */
        !           420: 
        !           421: #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
        !           422: ((TARGET_REGPARM && (CUM) < 8) ? gen_rtx (REG, (MODE), (CUM) / 4) : 0)
        !           423: 
        !           424: /* For an arg passed partly in registers and partly in memory,
        !           425:    this is the number of registers used.
        !           426:    For args passed entirely in registers or entirely in memory, zero.  */
        !           427: 
        !           428: #define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED)     \
        !           429: ((TARGET_REGPARM && (CUM) < 8                                  \
        !           430:   && 8 < ((CUM) + ((MODE) == BLKmode                           \
        !           431:                      ? int_size_in_bytes (TYPE)                \
        !           432:                      : GET_MODE_SIZE (MODE))))                 \
        !           433:  ? 2 - (CUM) / 4 : 0)
        !           434: 
        !           435: /* This macro generates the assembly code for function entry.
        !           436:    FILE is a stdio stream to output the code to.
        !           437:    SIZE is an int: how many units of temporary storage to allocate.
        !           438:    Refer to the array `regs_ever_live' to determine which registers
        !           439:    to save; `regs_ever_live[I]' is nonzero if register number I
        !           440:    is ever used in the function.  This macro is responsible for
        !           441:    knowing which registers should not be saved even if used.  */
        !           442: 
        !           443: #define FUNCTION_PROLOGUE(FILE, SIZE)     \
        !           444: { register int regno;                                          \
        !           445:   register int nregs;                                          \
        !           446:   char used_regs_buf[32], *bufp = used_regs_buf;               \
        !           447:   int used_fregs_buf[8], *fbufp = used_fregs_buf;              \
        !           448:   extern char call_used_regs[];                                        \
        !           449:   for (regno = 0, nregs = 0; regno < 8; regno++)               \
        !           450:     if (regs_ever_live[regno] && !call_used_regs[regno]) {     \
        !           451:        nregs += 1;                                             \
        !           452:        *bufp++ = 'r'; *bufp++ = regno+'0'; *bufp++ = ',';      \
        !           453:     }                                                          \
        !           454:   for (; regno < 16; regno++)                                  \
        !           455:     if (regs_ever_live[regno] && !call_used_regs[regno]) {     \
        !           456:        *fbufp++ = regno;                                       \
        !           457:     }                                                          \
        !           458:   if (bufp > used_regs_buf) --bufp;                            \
        !           459:   *bufp = '\0';                                                        \
        !           460:   if (frame_pointer_needed)                                    \
        !           461:     fprintf (FILE, "\tenter [%s],%d\n", used_regs_buf,SIZE);   \
        !           462:   else if (nregs == 1)                                         \
        !           463:     fprintf (FILE, "\tmovd %s,tos\n", used_regs_buf);          \
        !           464:   else if (nregs) fprintf (FILE, "\tsave [%s]\n", used_regs_buf); \
        !           465:   *fbufp = -1;                                                 \
        !           466:   fbufp = used_fregs_buf;                                      \
        !           467:   while (*fbufp >= 0)                                          \
        !           468:     {                                                          \
        !           469:       if ((*fbufp & 1) || (fbufp[0] != fbufp[1] - 1))          \
        !           470:        fprintf (FILE, "\tmovf f%d,tos\n", *fbufp++ - 8);       \
        !           471:       else                                                     \
        !           472:        {                                                       \
        !           473:          fprintf (FILE, "\tmovl f%d,tos\n", fbufp[0] - 8);     \
        !           474:          fbufp += 2;                                           \
        !           475:        }                                                       \
        !           476:     }                                                          \
        !           477: }
        !           478: 
        !           479: /* Output assembler code to FILE to increment profiler label # LABELNO
        !           480:    for profiling a function entry.
        !           481: 
        !           482:    THIS DEFINITION FOR THE 32000 IS A GUESS.  IT HAS NOT BEEN TESTED.  */
        !           483: 
        !           484: #define FUNCTION_PROFILER(FILE, LABELNO)  \
        !           485:    fprintf (FILE, "\taddr LP%d,r0\n\tbsr mcount\n", (LABELNO))
        !           486: 
        !           487: /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
        !           488:    the stack pointer does not matter.  The value is tested only in
        !           489:    functions that have frame pointers.
        !           490:    No definition is equivalent to always zero.  */
        !           491: 
        !           492: /* #define EXIT_IGNORE_STACK */
        !           493: 
        !           494: /* This macro generates the assembly code for function exit,
        !           495:    on machines that need it.  If FUNCTION_EPILOGUE is not defined
        !           496:    then individual return instructions are generated for each
        !           497:    return statement.  Args are same as for FUNCTION_PROLOGUE.
        !           498: 
        !           499:    The function epilogue should not depend on the current stack pointer!
        !           500:    It should use the frame pointer only.  This is mandatory because
        !           501:    of alloca; we also take advantage of it to omit stack adjustments
        !           502:    before returning.  */
        !           503: 
        !           504: #define FUNCTION_EPILOGUE(FILE, SIZE) \
        !           505: { extern int current_function_pops_args;                       \
        !           506:   extern int current_function_args_size;                       \
        !           507:   register int regno;                                          \
        !           508:   register int nregs;                                          \
        !           509:   char used_regs_buf[32], *bufp = used_regs_buf;               \
        !           510:   int used_fregs_buf[8], *fbufp = used_fregs_buf;              \
        !           511:   extern char call_used_regs[];                                        \
        !           512:   *fbufp++ = -2;                                               \
        !           513:   for (regno = 8; regno < 16; regno++)                         \
        !           514:     if (regs_ever_live[regno] && !call_used_regs[regno]) {     \
        !           515:        *fbufp++ = regno;                                       \
        !           516:     }                                                          \
        !           517:   fbufp--;                                                     \
        !           518:   while (fbufp > used_fregs_buf)                               \
        !           519:     {                                                          \
        !           520:       if ((*fbufp & 1) && fbufp[0] == fbufp[-1] + 1)           \
        !           521:        {                                                       \
        !           522:          fprintf (FILE, "\tmovl tos,f%d\n", fbufp[-1] - 8);    \
        !           523:          fbufp -= 2;                                           \
        !           524:        }                                                       \
        !           525:       else fprintf (FILE, "\tmovf tos,f%d\n", *fbufp-- - 8);   \
        !           526:     }                                                          \
        !           527:   for (regno = 0, nregs = 0; regno < 8; regno++)               \
        !           528:     if (regs_ever_live[regno] && ! call_used_regs[regno]) {    \
        !           529:         nregs++;                                               \
        !           530:        *bufp++ = 'r'; *bufp++ = regno+'0'; *bufp++ = ',';      \
        !           531:     }                                                          \
        !           532:   if (bufp > used_regs_buf) --bufp;                            \
        !           533:   *bufp = '\0';                                                        \
        !           534:   if (frame_pointer_needed)                                    \
        !           535:     fprintf (FILE, "\texit [%s]\n", used_regs_buf);            \
        !           536:   else if (nregs == 1)                                         \
        !           537:     fprintf (FILE, "\tmovd tos,%s\n", used_regs_buf);          \
        !           538:   else if (nregs)                                              \
        !           539:     fprintf (FILE, "\trestore [%s]\n", used_regs_buf);         \
        !           540:   if (current_function_pops_args && current_function_args_size)        \
        !           541:     fprintf (FILE, "\tret %d\n", current_function_args_size);  \
        !           542:   else fprintf (FILE, "\tret 0\n"); }
        !           543: 
        !           544: /* If the memory address ADDR is relative to the frame pointer,
        !           545:    correct it to be relative to the stack pointer instead.
        !           546:    This is for when we don't use a frame pointer.
        !           547:    ADDR should be a variable name.  */
        !           548: 
        !           549: #if 0
        !           550: #define FIX_FRAME_POINTER_ADDRESS(ADDR,DEPTH)  \
        !           551: { int offset = -1;                                                     \
        !           552:   if (GET_CODE (ADDR) == REG && REGNO (ADDR) == FRAME_POINTER_REGNUM)  \
        !           553:     offset = 0;                                                                \
        !           554:   else if (GET_CODE (ADDR) == PLUS && GET_CODE (XEXP (ADDR, 0)) == REG \
        !           555:           && REGNO (XEXP (ADDR, 0)) == FRAME_POINTER_REGNUM            \
        !           556:           && GET_CODE (XEXP (ADDR, 1)) == CONST_INT)                   \
        !           557:     offset = INTVAL (XEXP (ADDR, 1));                                  \
        !           558:   if (offset >= 0)                                                     \
        !           559:     { int regno;                                                       \
        !           560:       extern char call_used_regs[];                                    \
        !           561:       for (regno = 0; regno < 8; regno++)                              \
        !           562:        if (regs_ever_live[regno] && ! call_used_regs[regno])           \
        !           563:          offset += 4;                                                  \
        !           564:       offset -= 4;                                                     \
        !           565:       ADDR = plus_constant (gen_rtx (REG, Pmode, STACK_POINTER_REGNUM),        \
        !           566:                            offset + (DEPTH)); } }
        !           567: #else
        !           568: #define FIX_FRAME_POINTER_ADDRESS(ADDR,DEPTH)  \
        !           569:   if (check_reg(ADDR, FRAME_POINTER_REGNUM)) {                         \
        !           570:     register int regno, offset = (DEPTH) - 4;                          \
        !           571:     extern char call_used_regs[];                                      \
        !           572:     for (regno = 0; regno < 16; regno++)                               \
        !           573:       if (regs_ever_live[regno] && ! call_used_regs[regno])            \
        !           574:        offset += 4;                                                    \
        !           575:     if (GET_CODE (ADDR) == REG && REGNO (ADDR) == FRAME_POINTER_REGNUM)        \
        !           576:       ADDR = plus_constant(stack_pointer_rtx, offset);                 \
        !           577:     else if (GET_CODE(ADDR) == PLUS) {                                 \
        !           578:       register rtx a0 = XEXP(ADDR, 0);                                 \
        !           579:       if (GET_CODE(a0) == REG && REGNO(a0) == FRAME_POINTER_REGNUM)            \
        !           580:         if (GET_CODE(XEXP(ADDR, 1)) == CONST_INT)                      \
        !           581:          ADDR = plus_constant(stack_pointer_rtx,                       \
        !           582:                               offset + INTVAL(XEXP(ADDR, 1)));         \
        !           583:         else                                                           \
        !           584:           ADDR = plus_constant(gen_rtx(PLUS, Pmode,                    \
        !           585:                                 stack_pointer_rtx, XEXP (ADDR, 1)),    \
        !           586:                               offset);                                 \
        !           587:       else if (GET_CODE(a0) == MEM) {                                  \
        !           588:        register rtx a1 = XEXP(a0, 0);                                  \
        !           589:        if (GET_CODE(a1) == REG && REGNO(a1) == FRAME_POINTER_REGNUM)   \
        !           590:          ADDR = gen_rtx(PLUS, Pmode,                                   \
        !           591:                         gen_rtx(MEM, Pmode,                            \
        !           592:                                 plus_constant(stack_pointer_rtx, offset)), \
        !           593:                         XEXP(ADDR, 1));                                \
        !           594:        else if (GET_CODE(a1) == PLUS && GET_CODE(XEXP(a1, 0)) == REG   \
        !           595:                 && REGNO(XEXP(a1, 0)) == FRAME_POINTER_REGNUM)         \
        !           596:          ADDR = gen_rtx(PLUS, Pmode,                                   \
        !           597:                         gen_rtx(MEM, Pmode,                            \
        !           598:                                 plus_constant(stack_pointer_rtx,       \
        !           599:                                               offset+INTVAL(XEXP(a1, 1)))),\
        !           600:                         XEXP(ADDR, 1));                                \
        !           601:        else                                                            \
        !           602:          abort();                                                      \
        !           603:        } else if (GET_CODE(XEXP(ADDR, 1)) == MEM) {                    \
        !           604:        register rtx a1 = XEXP(XEXP(ADDR, 1), 0);                       \
        !           605:        if (GET_CODE(a1) == REG && REGNO(a1) == FRAME_POINTER_REGNUM)   \
        !           606:          ADDR = gen_rtx(PLUS, Pmode,                                   \
        !           607:                         XEXP(ADDR, 0),                                 \
        !           608:                         gen_rtx(MEM, Pmode,                            \
        !           609:                                 plus_constant(stack_pointer_rtx,       \
        !           610:                                               offset)));               \
        !           611:        else if (GET_CODE(a1) == PLUS && GET_CODE(XEXP(a1, 0)) == REG   \
        !           612:                 && REGNO(XEXP(a1, 0)) == FRAME_POINTER_REGNUM)         \
        !           613:          ADDR = gen_rtx(PLUS, Pmode,                                   \
        !           614:                         XEXP(ADDR, 0),                                 \
        !           615:                         gen_rtx(MEM, Pmode,                            \
        !           616:                                 plus_constant(stack_pointer_rtx,       \
        !           617:                                               offset+INTVAL(XEXP(a1, 1)))));\
        !           618:        else                                                            \
        !           619:          abort();                                                      \
        !           620:       } else                                                           \
        !           621:         abort();                                                       \
        !           622:     } else if (GET_CODE(ADDR) == MEM) {                                        \
        !           623:       register rtx a0 = XEXP(ADDR, 0);                                 \
        !           624:       if (GET_CODE (a0) == REG && REGNO (a0) == FRAME_POINTER_REGNUM)  \
        !           625:        ADDR = gen_rtx(MEM, Pmode,                                      \
        !           626:                       plus_constant(stack_pointer_rtx, offset));       \
        !           627:       else if (GET_CODE(a0) == PLUS && GET_CODE(XEXP(a0, 0)) == REG    \
        !           628:               && REGNO(XEXP(a0, 0)) == FRAME_POINTER_REGNUM            \
        !           629:               && GET_CODE(XEXP(a0, 1)) == CONST_INT)                   \
        !           630:        ADDR = gen_rtx(MEM, Pmode,                                      \
        !           631:                       plus_constant(stack_pointer_rtx,                 \
        !           632:                                    offset + INTVAL(XEXP(a0, 1))));     \
        !           633:       else                                                             \
        !           634:         abort();                                                       \
        !           635:     } else                                                             \
        !           636:       abort();                                                         \
        !           637:   }
        !           638: #endif
        !           639: 
        !           640: /* Addressing modes, and classification of registers for them.  */
        !           641: 
        !           642: /* #define HAVE_POST_INCREMENT */
        !           643: /* #define HAVE_POST_DECREMENT */
        !           644: 
        !           645: /* #define HAVE_PRE_DECREMENT */
        !           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: /* note that FP and SP cannot be used as an index. What about PC? */
        !           657: #define REGNO_OK_FOR_INDEX_P(REGNO)  \
        !           658: ((REGNO) < 8 || (unsigned)reg_renumber[REGNO] < 8)
        !           659: #define REGNO_OK_FOR_BASE_P(REGNO)   \
        !           660: ((REGNO) < 8 || (unsigned)reg_renumber[REGNO] < 8 \
        !           661:  || (REGNO) == FRAME_POINTER_REGNUM || (REGNO) == STACK_POINTER_REGNUM)
        !           662: 
        !           663: /* Maximum number of registers that can appear in a valid memory address.  */
        !           664: 
        !           665: #define MAX_REGS_PER_ADDRESS 2
        !           666: 
        !           667: /* Recognize any constant value that is a valid address.  */
        !           668: 
        !           669: #define CONSTANT_ADDRESS_P(X)   \
        !           670:   (GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF             \
        !           671:    || GET_CODE (X) == CONST                                            \
        !           672:    || (GET_CODE (X) == CONST_INT                                       \
        !           673:        && ((unsigned)INTVAL (X) >= 0xe0000000                          \
        !           674:           || (unsigned)INTVAL (X) < 0x20000000)))
        !           675: 
        !           676: #define CONSTANT_ADDRESS_NO_LABEL_P(X)   \
        !           677:   (GET_CODE (X) == CONST_INT                                           \
        !           678:    && ((unsigned)INTVAL (X) >= 0xe0000000                              \
        !           679:        || (unsigned)INTVAL (X) < 0x20000000))
        !           680: 
        !           681: /* Nonzero if the constant value X is a legitimate general operand.
        !           682:    It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE.  */
        !           683: 
        !           684: #define LEGITIMATE_CONSTANT_P(X) 1
        !           685: 
        !           686: /* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
        !           687:    and check its validity for a certain class.
        !           688:    We have two alternate definitions for each of them.
        !           689:    The usual definition accepts all pseudo regs; the other rejects
        !           690:    them unless they have been allocated suitable hard regs.
        !           691:    The symbol REG_OK_STRICT causes the latter definition to be used.
        !           692: 
        !           693:    Most source files want to accept pseudo regs in the hope that
        !           694:    they will get allocated to the class that the insn wants them to be in.
        !           695:    Source files for reload pass need to be strict.
        !           696:    After reload, it makes no difference, since pseudo regs have
        !           697:    been eliminated by then.  */
        !           698: 
        !           699: #ifndef REG_OK_STRICT
        !           700: 
        !           701: /* Nonzero if X is a hard reg that can be used as an index
        !           702:    or if it is a pseudo reg.  */
        !           703: #define REG_OK_FOR_INDEX_P(X) \
        !           704:   (REGNO (X) < 8 || REGNO (X) >= FIRST_PSEUDO_REGISTER)
        !           705: /* Nonzero if X is a hard reg that can be used as a base reg
        !           706:    of if it is a pseudo reg.  */
        !           707: #define REG_OK_FOR_BASE_P(X) (REGNO (X) < 8 || REGNO (X) >= FRAME_POINTER_REGNUM)
        !           708: /* Nonzero if X is a floating point reg or a pseudo reg.  */
        !           709: 
        !           710: #else
        !           711: 
        !           712: /* Nonzero if X is a hard reg that can be used as an index.  */
        !           713: #define REG_OK_FOR_INDEX_P(X) REGNO_OK_FOR_INDEX_P (REGNO (X))
        !           714: /* Nonzero if X is a hard reg that can be used as a base reg.  */
        !           715: #define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
        !           716: 
        !           717: #endif
        !           718: 
        !           719: /* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression
        !           720:    that is a valid memory address for an instruction.
        !           721:    The MODE argument is the machine mode for the MEM expression
        !           722:    that wants to use this address.
        !           723: 
        !           724:    The other macros defined here are used only in GO_IF_LEGITIMATE_ADDRESS.  */
        !           725: 
        !           726: /* 1 if X is an address that we could indirect through.  */
        !           727: /***** NOTE ***** There is a bug in the Sequent assembler which fails
        !           728:  to fixup addressing information for symbols used as offsets
        !           729:  from registers which are not FP or SP (or SB or PC).  This
        !           730:  makes _x(fp) valid, while _x(r0) is invalid.  */
        !           731: 
        !           732: #define INDIRECTABLE_1_ADDRESS_P(X)  \
        !           733:   (CONSTANT_P (X)                                                      \
        !           734:    || (GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X))                   \
        !           735:    || (GET_CODE (X) == PLUS                                            \
        !           736:        && GET_CODE (XEXP (X, 0)) == REG                                        \
        !           737:        && REG_OK_FOR_BASE_P (XEXP (X, 0))                              \
        !           738:        && CONSTANT_ADDRESS_P (XEXP (X, 1))))
        !           739: 
        !           740: #define MEM_REG(X) \
        !           741:   ((GET_CODE (X) == REG && (REGNO (X) ^ 16) < 2)                       \
        !           742:    || (GET_CODE (X) == SYMBOL_REF))
        !           743: 
        !           744: #define INDIRECTABLE_2_ADDRESS_P(X)  \
        !           745:   (GET_CODE (X) == MEM                                                 \
        !           746:    && (((xfoo0 = XEXP (X, 0), MEM_REG (xfoo0))                         \
        !           747:        || (GET_CODE (xfoo0) == PLUS                                    \
        !           748:           && MEM_REG (XEXP (xfoo0, 0))                                 \
        !           749:           && CONSTANT_ADDRESS_NO_LABEL_P (XEXP (xfoo0, 1))))           \
        !           750:        || CONSTANT_ADDRESS_P (xfoo0)))
        !           751: 
        !           752: #define INDIRECTABLE_ADDRESS_P(X)  \
        !           753:   (INDIRECTABLE_1_ADDRESS_P(X)                                         \
        !           754:    || INDIRECTABLE_2_ADDRESS_P (X)                                     \
        !           755:    || (GET_CODE (X) == PLUS                                            \
        !           756:        && CONSTANT_ADDRESS_NO_LABEL_P (XEXP (X, 1))                    \
        !           757:        && INDIRECTABLE_2_ADDRESS_P (XEXP (X, 0))))
        !           758: 
        !           759: /* Go to ADDR if X is a valid address not using indexing.
        !           760:    (This much is the easy part.)  */
        !           761: #define GO_IF_NONINDEXED_ADDRESS(X, ADDR)  \
        !           762: { register rtx xfoob = (X);                                            \
        !           763:   if (GET_CODE (xfoob) == REG) goto ADDR;                              \
        !           764:   if (INDIRECTABLE_1_ADDRESS_P(X)) goto ADDR;                          \
        !           765:   if (INDIRECTABLE_2_ADDRESS_P (X)) goto ADDR;                         \
        !           766:   if (GET_CODE (X) == PLUS)                                            \
        !           767:     if (CONSTANT_ADDRESS_NO_LABEL_P (XEXP (X, 1)))                     \
        !           768:       if (INDIRECTABLE_2_ADDRESS_P (XEXP (X, 0)))                      \
        !           769:        goto ADDR;                                                      \
        !           770: }
        !           771: 
        !           772: /* 1 if PROD is either a reg times size of mode MODE
        !           773:    or just a reg, if MODE is just one byte. Actually, on the ns32k,
        !           774:    since the index mode is independent of the operand size,
        !           775:    we can match more stuff...
        !           776: 
        !           777:    This macro's expansion uses the temporary variables xfoo0, xfoo1
        !           778:    and xfoo2 that must be declared in the surrounding context.  */
        !           779: #define INDEX_TERM_P(PROD, MODE)   \
        !           780: ((GET_CODE (PROD) == REG && REG_OK_FOR_INDEX_P (PROD))                 \
        !           781:  || (GET_CODE (PROD) == MULT                                           \
        !           782:      &&        (xfoo0 = XEXP (PROD, 0), xfoo1 = XEXP (PROD, 1),                \
        !           783:         (GET_CODE (xfoo1) == CONST_INT                                 \
        !           784:          && GET_CODE (xfoo0) == REG                                    \
        !           785:          && FITS_INDEX_RANGE (INTVAL (xfoo1))                          \
        !           786:          && REG_OK_FOR_INDEX_P (xfoo0)))))
        !           787: 
        !           788: #define FITS_INDEX_RANGE(X)  \
        !           789:   ((xfoo2 = (unsigned)(X)-1),                                          \
        !           790:    ((xfoo2 < 4 && xfoo2 != 2) || xfoo2 == 7))
        !           791: 
        !           792: #define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR)  \
        !           793: { register rtx xfooy, xfooz, xfoo0, xfoo1;                             \
        !           794:   unsigned xfoo2;                                                      \
        !           795:   xfooy = X;                                                           \
        !           796:   GO_IF_NONINDEXED_ADDRESS (xfooy, ADDR);                              \
        !           797:   if (GET_CODE (xfooy) == PLUS)                                                \
        !           798:     {                                                                  \
        !           799:       if (GET_CODE (XEXP (xfooy, 1)) == CONST_INT                      \
        !           800:          && GET_CODE (XEXP (xfooy, 0)) == PLUS)                        \
        !           801:        xfooy = XEXP (xfooy, 0);                                        \
        !           802:       else if (GET_CODE (XEXP (xfooy, 0)) == CONST_INT                 \
        !           803:          && GET_CODE (XEXP (xfooy, 1)) == PLUS)                        \
        !           804:        xfooy = XEXP (xfooy, 1);                                        \
        !           805:        xfooz = XEXP (xfooy, 1);                                        \
        !           806:         if (INDEX_TERM_P (xfooz, MODE))                                        \
        !           807:          { rtx t = XEXP (xfooy, 0); GO_IF_NONINDEXED_ADDRESS (t, ADDR); } \
        !           808:         xfooz = XEXP (xfooy, 0);                                       \
        !           809:        if (INDEX_TERM_P (xfooz, MODE))                                 \
        !           810:          { rtx t = XEXP (xfooy, 1); GO_IF_NONINDEXED_ADDRESS (t, ADDR); } \
        !           811:     }                                                                  \
        !           812:   else if (INDEX_TERM_P (xfooy, MODE))                                 \
        !           813:     goto ADDR;                                                         \
        !           814:   else if (GET_CODE (xfooy) == PRE_DEC)                                        \
        !           815:     if (REGNO (XEXP (xfooy, 0)) == STACK_POINTER_REGNUM) goto ADDR;    \
        !           816:     else abort ();                                                     \
        !           817: }
        !           818: 
        !           819: /* Try machine-dependent ways of modifying an illegitimate address
        !           820:    to be legitimate.  If we find one, return the new, valid address.
        !           821:    This macro is used in only one place: `memory_address' in explow.c.
        !           822: 
        !           823:    OLDX is the address as it was before break_out_memory_refs was called.
        !           824:    In some cases it is useful to look at this to decide what needs to be done.
        !           825: 
        !           826:    MODE and WIN are passed so that this macro can use
        !           827:    GO_IF_LEGITIMATE_ADDRESS.
        !           828: 
        !           829:    It is always safe for this macro to do nothing.  It exists to recognize
        !           830:    opportunities to optimize the output.
        !           831: 
        !           832:    For the ns32k, we do nothing */
        !           833: 
        !           834: #define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN)   {}
        !           835: 
        !           836: /* Go to LABEL if ADDR (a legitimate address expression)
        !           837:    has an effect that depends on the machine mode it is used for.
        !           838:    On the ns32k, only predecrement and postincrement address depend thus
        !           839:    (the amount of decrement or increment being the length of the operand).  */
        !           840: 
        !           841: #define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL)       \
        !           842:  { if (GET_CODE (ADDR) == POST_INC || GET_CODE (ADDR) == PRE_DEC)      \
        !           843:      goto LABEL;}
        !           844: 
        !           845: /* Specify the machine mode that this machine uses
        !           846:    for the index in the tablejump instruction.
        !           847:    Can do SImode, but HI mode is more efficient. */
        !           848: #define CASE_VECTOR_MODE HImode
        !           849: 
        !           850: /* Define this if the tablejump instruction expects the table
        !           851:    to contain offsets from the address of the table.
        !           852:    Do not define this if the table should contain absolute addresses.  */
        !           853: #define CASE_VECTOR_PC_RELATIVE
        !           854: 
        !           855: /* Specify the tree operation to be used to convert reals to integers.  */
        !           856: #define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR
        !           857: 
        !           858: /* This is the kind of divide that is easiest to do in the general case.  */
        !           859: #define EASY_DIV_EXPR TRUNC_DIV_EXPR
        !           860: 
        !           861: /* Define this as 1 if `char' should by default be signed; else as 0.  */
        !           862: #define DEFAULT_SIGNED_CHAR 1
        !           863: 
        !           864: /* Max number of bytes we can move from memory to memory
        !           865:    in one reasonably fast instruction.  */
        !           866: #define MOVE_MAX 4
        !           867: 
        !           868: /* Define this if zero-extension is slow (more than one real instruction).  */
        !           869: /* #define SLOW_ZERO_EXTEND */
        !           870: 
        !           871: /* Nonzero if access to memory by bytes is slow and undesirable.  */
        !           872: #define SLOW_BYTE_ACCESS 0
        !           873: 
        !           874: /* Define if shifts truncate the shift count
        !           875:    which implies one can omit a sign-extension or zero-extension
        !           876:    of a shift count.  */
        !           877: /* #define SHIFT_COUNT_TRUNCATED */
        !           878: 
        !           879: /* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
        !           880:    is done just by pretending it is already truncated.  */
        !           881: #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
        !           882: 
        !           883: /* We assume that the store-condition-codes instructions store 0 for false
        !           884:    and some other value for true.  This is the value stored for true.  */
        !           885: 
        !           886: #define STORE_FLAG_VALUE 1
        !           887: 
        !           888: /* Specify the machine mode that pointers have.
        !           889:    After generation of rtl, the compiler makes no further distinction
        !           890:    between pointers and any other objects of this machine mode.  */
        !           891: #define Pmode SImode
        !           892: 
        !           893: /* A function address in a call instruction
        !           894:    is a byte address (for indexing purposes)
        !           895:    so give the MEM rtx a byte's mode.  */
        !           896: #define FUNCTION_MODE QImode
        !           897: 
        !           898: /* Compute the cost of computing a constant rtl expression RTX
        !           899:    whose rtx-code is CODE.  The body of this macro is a portion
        !           900:    of a switch statement.  If the code is computed here,
        !           901:    return it with a return statement.  Otherwise, break from the switch.  */
        !           902: 
        !           903: #define CONST_COSTS(RTX,CODE) \
        !           904:   case CONST_INT:                                              \
        !           905:     if (INTVAL (RTX) <= 7 && INTVAL (RTX) >= -8) return 0;     \
        !           906:     if (INTVAL (RTX) < 0x4000 && INTVAL (RTX) >= -0x4000)      \
        !           907:       return 1;                                                        \
        !           908:   case CONST:                                                  \
        !           909:   case LABEL_REF:                                              \
        !           910:   case SYMBOL_REF:                                             \
        !           911:     return 3;                                                  \
        !           912:   case CONST_DOUBLE:                                           \
        !           913:     return 5;
        !           914: 
        !           915: /* Tell final.c how to eliminate redundant test instructions.  */
        !           916: 
        !           917: /* Here we define machine-dependent flags and fields in cc_status
        !           918:    (see `conditions.h').  */
        !           919: 
        !           920: /* This bit means that what ought to be in the Z bit
        !           921:    should be tested in the F bit.  */
        !           922: #define CC_Z_IN_F 040
        !           923: 
        !           924: /* This bit means that what ought to be in the Z bit
        !           925:    is complemented in the F bit.  */
        !           926: #define CC_Z_IN_NOT_F 0100
        !           927: 
        !           928: /* Store in cc_status the expressions
        !           929:    that the condition codes will describe
        !           930:    after execution of an instruction whose pattern is EXP.
        !           931:    Do not alter them if the instruction would not alter the cc's.  */
        !           932: 
        !           933: #define NOTICE_UPDATE_CC(EXP) \
        !           934: { if (GET_CODE (EXP) == SET)                                   \
        !           935:     { if (GET_CODE (SET_DEST (EXP)) == CC0)                    \
        !           936:        { cc_status.flags = 0;                                  \
        !           937:          cc_status.value1 = SET_DEST (EXP);                    \
        !           938:          cc_status.value2 = SET_SRC (EXP);                     \
        !           939:        }                                                       \
        !           940:       else if (GET_CODE (SET_SRC (EXP)) == CALL)               \
        !           941:        { CC_STATUS_INIT; }                                     \
        !           942:       else if (GET_CODE (SET_DEST (EXP)) == REG)               \
        !           943:        { if (cc_status.value1                                  \
        !           944:              && reg_mentioned_p (SET_DEST (EXP), cc_status.value1)) \
        !           945:            cc_status.value1 = 0;                               \
        !           946:          if (cc_status.value2                                  \
        !           947:              && reg_mentioned_p (SET_DEST (EXP), cc_status.value2)) \
        !           948:            cc_status.value2 = 0;                               \
        !           949:        }                                                       \
        !           950:       else if (GET_CODE (SET_DEST (EXP)) == MEM)               \
        !           951:        { CC_STATUS_INIT; }                                     \
        !           952:     }                                                          \
        !           953:   else if (GET_CODE (EXP) == PARALLEL                          \
        !           954:           && GET_CODE (XVECEXP (EXP, 0, 0)) == SET)            \
        !           955:     { if (GET_CODE (SET_DEST (XVECEXP (EXP, 0, 0))) == CC0)    \
        !           956:        { cc_status.flags = 0;                                  \
        !           957:          cc_status.value1 = SET_DEST (XVECEXP (EXP, 0, 0));    \
        !           958:          cc_status.value2 = SET_SRC (XVECEXP (EXP, 0, 0));     \
        !           959:        }                                                       \
        !           960:       else if (GET_CODE (SET_DEST (XVECEXP (EXP, 0, 0))) == REG) \
        !           961:        { if (cc_status.value1                                  \
        !           962:              && reg_mentioned_p (SET_DEST (XVECEXP (EXP, 0, 0)), cc_status.value1)) \
        !           963:            cc_status.value1 = 0;                               \
        !           964:          if (cc_status.value2                                  \
        !           965:              && reg_mentioned_p (SET_DEST (XVECEXP (EXP, 0, 0)), cc_status.value2)) \
        !           966:            cc_status.value2 = 0;                               \
        !           967:        }                                                       \
        !           968:       else if (GET_CODE (SET_DEST (XVECEXP (EXP, 0, 0))) == MEM) \
        !           969:        { CC_STATUS_INIT; }                                     \
        !           970:     }                                                          \
        !           971:   else if (GET_CODE (EXP) == CALL)                             \
        !           972:     { /* all bets are off */ CC_STATUS_INIT; }                 \
        !           973:   else { /* nothing happens? CC_STATUS_INIT; */}               \
        !           974:   if (cc_status.value1 && GET_CODE (cc_status.value1) == REG   \
        !           975:       && cc_status.value2                                      \
        !           976:       && reg_mentioned_p (cc_status.value1, cc_status.value2)) \
        !           977:     printf ("here!\n", cc_status.value2 = 0);                  \
        !           978: }
        !           979: 
        !           980: #define OUTPUT_JUMP(NORMAL, NO_OV)  \
        !           981: { if (cc_status.flags & CC_NO_OVERFLOW)                                \
        !           982:     return NO_OV;                                              \
        !           983:   return NORMAL; }
        !           984: 
        !           985: /* Control the assembler format that we output.  */
        !           986: 
        !           987: /* Output at beginning of assembler file.  */
        !           988: 
        !           989: #define ASM_FILE_START "#NO_APP\n"
        !           990: 
        !           991: /* Output to assembler file text saying following lines
        !           992:    may contain character constants, extra white space, comments, etc.  */
        !           993: 
        !           994: #define ASM_APP_ON "#APP\n"
        !           995: 
        !           996: /* Output to assembler file text saying following lines
        !           997:    no longer contain unusual constructs.  */
        !           998: 
        !           999: #define ASM_APP_OFF "#NO_APP\n"
        !          1000: 
        !          1001: /* Output before read-only data.  */
        !          1002: 
        !          1003: #define TEXT_SECTION_ASM_OP ".text"
        !          1004: 
        !          1005: /* Output before writable data.  */
        !          1006: 
        !          1007: #define DATA_SECTION_ASM_OP ".data"
        !          1008: 
        !          1009: /* How to refer to registers in assembler output.
        !          1010:    This sequence is indexed by compiler's hard-register-number (see above).  */
        !          1011: 
        !          1012: #define REGISTER_NAMES \
        !          1013: {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
        !          1014:  "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
        !          1015:  "fp", "sp", "sb", "pc"}
        !          1016: 
        !          1017: /* How to renumber registers for dbx and gdb.
        !          1018:    NS32000 may need more change in the numeration.  */
        !          1019: 
        !          1020: #define DBX_REGISTER_NUMBER(REGNO) ((REGNO < 8) ? (REGNO)+4 : (REGNO))
        !          1021: 
        !          1022: /* This is how to output the definition of a user-level label named NAME,
        !          1023:    such as the label on a static function or variable NAME.  */
        !          1024: 
        !          1025: #define ASM_OUTPUT_LABEL(FILE,NAME)    \
        !          1026:   do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0)
        !          1027: 
        !          1028: /* This is how to output a command to make the user-level label named NAME
        !          1029:    defined for reference from other files.  */
        !          1030: 
        !          1031: #define ASM_GLOBALIZE_LABEL(FILE,NAME) \
        !          1032:   do { fputs (".globl ", FILE); assemble_name (FILE, NAME); fputs ("\n", FILE);} while (0)
        !          1033: 
        !          1034: /* This is how to output a reference to a user-level label named NAME.
        !          1035:    `assemble_name' uses this.  */
        !          1036: 
        !          1037: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
        !          1038:   fprintf (FILE, "_%s", NAME)
        !          1039: 
        !          1040: /* This is how to output an internal numbered label where
        !          1041:    PREFIX is the class of label and NUM is the number within the class.  */
        !          1042: 
        !          1043: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)     \
        !          1044:   fprintf (FILE, "%s%d:\n", PREFIX, NUM)
        !          1045: 
        !          1046: /* This is how to store into the string LABEL
        !          1047:    the symbol_ref name of an internal numbered label where
        !          1048:    PREFIX is the class of label and NUM is the number within the class.
        !          1049:    This is suitable for output with `assemble_name'.  */
        !          1050: 
        !          1051: #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)  \
        !          1052:   sprintf (LABEL, "*%s%d", PREFIX, NUM)
        !          1053: 
        !          1054: /* This is how to output an assembler line defining a `double' constant.  */
        !          1055: 
        !          1056: #define ASM_OUTPUT_DOUBLE(FILE,VALUE)  \
        !          1057:   fprintf (FILE, "\t.double 0d%.20e\n", (VALUE))
        !          1058: 
        !          1059: /* This is how to output an assembler line defining a `float' constant.  */
        !          1060: 
        !          1061: #define ASM_OUTPUT_FLOAT(FILE,VALUE)  \
        !          1062:   fprintf (FILE, "\t.float 0f%.20e\n", (VALUE))
        !          1063: 
        !          1064: /* This is how to output an assembler line defining an `int' constant.  */
        !          1065: 
        !          1066: #define ASM_OUTPUT_INT(FILE,VALUE)  \
        !          1067: ( fprintf (FILE, "\t.long "),                  \
        !          1068:   output_addr_const (FILE, (VALUE)),           \
        !          1069:   fprintf (FILE, "\n"))
        !          1070: 
        !          1071: /* Likewise for `char' and `short' constants.  */
        !          1072: 
        !          1073: #define ASM_OUTPUT_SHORT(FILE,VALUE)  \
        !          1074: ( fprintf (FILE, "\t.word "),                  \
        !          1075:   output_addr_const (FILE, (VALUE)),           \
        !          1076:   fprintf (FILE, "\n"))
        !          1077: 
        !          1078: #define ASM_OUTPUT_CHAR(FILE,VALUE)  \
        !          1079: ( fprintf (FILE, "\t.byte "),                  \
        !          1080:   output_addr_const (FILE, (VALUE)),           \
        !          1081:   fprintf (FILE, "\n"))
        !          1082: 
        !          1083: /* This is how to output an assembler line for a numeric constant byte.  */
        !          1084: 
        !          1085: #define ASM_OUTPUT_BYTE(FILE,VALUE)  \
        !          1086:   fprintf (FILE, "\t.byte 0x%x\n", (VALUE))
        !          1087: 
        !          1088: /* This is how to output an element of a case-vector that is absolute.
        !          1089:    (The 68000 does not use such vectors,
        !          1090:    but we must define this macro anyway.)  */
        !          1091: 
        !          1092: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)  \
        !          1093:   fprintf (FILE, "\t.long L%d\n", VALUE)
        !          1094: 
        !          1095: /* This is how to output an element of a case-vector that is relative.  */
        !          1096: /* ** Notice that the second element is LI format! */
        !          1097: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL)  \
        !          1098:   fprintf (FILE, "\t.word L%d-LI%d\n", VALUE, REL)
        !          1099: 
        !          1100: /* This is how to output an assembler line
        !          1101:    that says to advance the location counter
        !          1102:    to a multiple of 2**LOG bytes.  */
        !          1103: 
        !          1104: #define ASM_OUTPUT_ALIGN(FILE,LOG)  \
        !          1105:   fprintf (FILE, "\t.align %d\n", (LOG))
        !          1106: 
        !          1107: #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
        !          1108:   fprintf (FILE, "\t.space %d\n", (SIZE))
        !          1109: 
        !          1110: /* This says how to output an assembler line
        !          1111:    to define a global common symbol.  */
        !          1112: 
        !          1113: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE)  \
        !          1114: ( fputs (".comm ", (FILE)),                    \
        !          1115:   assemble_name ((FILE), (NAME)),              \
        !          1116:   fprintf ((FILE), ",%d\n", (SIZE)))
        !          1117: 
        !          1118: /* This says how to output an assembler line
        !          1119:    to define a local common symbol.  */
        !          1120: 
        !          1121: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE)  \
        !          1122: ( fputs (".lcomm ", (FILE)),                   \
        !          1123:   assemble_name ((FILE), (NAME)),              \
        !          1124:   fprintf ((FILE), ",%d\n", (SIZE)))
        !          1125: 
        !          1126: /* Store in OUTPUT a string (made with alloca) containing
        !          1127:    an assembler-name for a local static variable named NAME.
        !          1128:    LABELNO is an integer which is different for each call.  */
        !          1129: 
        !          1130: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
        !          1131: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10),   \
        !          1132:   sprintf ((OUTPUT), "%s.%d", (NAME), (LABELNO)))
        !          1133: 
        !          1134: /* Define the parentheses used to group arithmetic operations
        !          1135:    in assembler code.  */
        !          1136: 
        !          1137: #define ASM_OPEN_PAREN "("
        !          1138: #define ASM_CLOSE_PAREN ")"
        !          1139: 
        !          1140: /* Define results of standard character escape sequences.  */
        !          1141: #define TARGET_BELL 007
        !          1142: #define TARGET_BS 010
        !          1143: #define TARGET_TAB 011
        !          1144: #define TARGET_NEWLINE 012
        !          1145: #define TARGET_VT 013
        !          1146: #define TARGET_FF 014
        !          1147: #define TARGET_CR 015
        !          1148: 
        !          1149: /* Print an instruction operand X on file FILE.
        !          1150:    CODE is the code from the %-spec that requested printing this operand;
        !          1151:    if `%z3' was used to print operand 3, then CODE is 'z'. */
        !          1152: 
        !          1153: /* %$ means print the prefix for an immediate operand.  */
        !          1154: 
        !          1155: #define PRINT_OPERAND(FILE, X, CODE)  \
        !          1156: { if (CODE == '$') fprintf (FILE, "$");                                        \
        !          1157:   else if (CODE == '?');                                               \
        !          1158:   else if (GET_CODE (X) == REG)                                                \
        !          1159:     fprintf (FILE, "%s", reg_name [REGNO (X)]);                                \
        !          1160:   else if (GET_CODE (X) == MEM)                                                \
        !          1161:     output_address (XEXP (X, 0));                                      \
        !          1162:   else if (GET_CODE (X) == CONST_DOUBLE)                               \
        !          1163:     if (GET_MODE (X) == DFmode)                                                \
        !          1164:       { union { double d; int i[2]; } u;                               \
        !          1165:        u.i[0] = XINT (X, 0); u.i[1] = XINT (X, 1);                     \
        !          1166:        fprintf (FILE, "$0d%.20e", u.d); }                              \
        !          1167:     else { union { float f; int i; } u;                                        \
        !          1168:           u.i = XINT (X, 0);                                           \
        !          1169:           fprintf (FILE, "$0f%.20e", u.f); }                           \
        !          1170:   else { putc ('$', FILE); output_addr_const (FILE, X); }}
        !          1171: 
        !          1172: /* Print a memory operand whose address is X, on file FILE.  */
        !          1173: 
        !          1174: #define PRINT_OPERAND_ADDRESS(FILE, ADDR)  \
        !          1175: { register rtx reg1, reg2, breg, ireg;                                 \
        !          1176:   register rtx addr = ADDR;                                            \
        !          1177:   rtx offset;                                                          \
        !          1178:   int mem=0, multval, offset_printed;                                  \
        !          1179:   char reg1_str[256], reg2_str[256];                                   \
        !          1180:  retry:                                                                        \
        !          1181:   switch (GET_CODE (addr))                                             \
        !          1182:     {                                                                  \
        !          1183:     case MEM:                                                          \
        !          1184:       fprintf (FILE, "0(");                                            \
        !          1185:       addr = XEXP (addr, 0);                                           \
        !          1186:       mem =1;                                                          \
        !          1187:       goto retry;                                                      \
        !          1188:     case REG:                                                          \
        !          1189:       fprintf (FILE, "0(%s)", reg_name [REGNO (addr)]);                        \
        !          1190:       break;                                                           \
        !          1191:     case PRE_DEC:                                                      \
        !          1192:       if (REGNO(XEXP(addr, 0)) != STACK_POINTER_REGNUM)                        \
        !          1193:          fprintf(FILE, ")1:%d", REGNO(XEXP(addr,0)));                  \
        !          1194:       else fprintf (FILE, "tos", reg_name [REGNO (XEXP (addr, 0))]);   \
        !          1195:       break;                                                           \
        !          1196:     case POST_INC:                                                     \
        !          1197:       if (REGNO(XEXP(addr, 0)) != STACK_POINTER_REGNUM)                        \
        !          1198:          fprintf(FILE, ")2:%d", REGNO(XEXP(addr,0)));                  \
        !          1199:       else fprintf (FILE, "tos", reg_name [REGNO (XEXP (addr, 0))]);   \
        !          1200:       break;                                                           \
        !          1201:     case MULT:                                                         \
        !          1202:       reg1 = XEXP (addr, 0); /* [rX:Y] */                              \
        !          1203:       reg2 = XEXP (addr, 1); /* CONST/REG */                           \
        !          1204:       if (GET_CODE (reg1) == CONST_INT && GET_CODE(reg2) == REG) {     \
        !          1205:        reg1 = reg2;                                                    \
        !          1206:         reg2 = XEXP (addr, 0); /* [rX:Y] */                            \
        !          1207:       }        else                                                            \
        !          1208:       if (GET_CODE (reg2) != CONST_INT ||                              \
        !          1209:            GET_CODE (reg1) != REG) {                                   \
        !          1210:          abort();                                                      \
        !          1211:       }                                                                        \
        !          1212:       fprintf (FILE, "0[%s:%c]",                                       \
        !          1213:        reg_name[ REGNO(reg1) ],                                        \
        !          1214:        "XbwXdXXXq"[INTVAL (reg2)]);                                    \
        !          1215:       break;                                                           \
        !          1216:     case PLUS:                                                         \
        !          1217:       reg1 = 0;        reg2 = 0;                                               \
        !          1218:       ireg = 0;        breg = 0;                                               \
        !          1219:       offset = 0;                                                      \
        !          1220:       multval = 0;                                                     \
        !          1221:       reg1_str[0] = 0; reg2_str[0] = 0;                                        \
        !          1222:       offset_printed = 0;                                              \
        !          1223:       if (CONSTANT_ADDRESS_P (XEXP (addr, 0))                          \
        !          1224:          || GET_CODE (XEXP (addr, 0)) == MEM)                          \
        !          1225:        {                                                               \
        !          1226:          /* CONST / MEM(PLUS((REG)(CONST))) */                         \
        !          1227:          offset = XEXP (addr, 0);                                      \
        !          1228:          /* (REG) / PLUS((REG)(CONST)) / MULT((REG)(CONST)) */         \
        !          1229:          addr = XEXP (addr, 1);                                        \
        !          1230:        }                                                               \
        !          1231:       else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))                     \
        !          1232:               || GET_CODE (XEXP (addr, 1)) == MEM)                     \
        !          1233:        {                                                               \
        !          1234:          /* CONST / MEM(PLUS((REG)(CONST))) */                         \
        !          1235:          offset = XEXP (addr, 1);                                      \
        !          1236:          /* (REG) / PLUS((REG)(CONST)) / MULT((REG)(CONST)) */         \
        !          1237:          addr = XEXP (addr, 0);                                        \
        !          1238:        }                                                               \
        !          1239:       if (offset != 0) {                                               \
        !          1240:        if (GET_CODE (offset) == MEM) {                                 \
        !          1241:            offset = XEXP (offset, 0);  /* skip MEM */                  \
        !          1242:            switch (GET_CODE (offset)) {                                \
        !          1243:                case REG:                                               \
        !          1244:                    sprintf (reg1_str, "(%s)",                          \
        !          1245:                        reg_name[REGNO (offset)]);                      \
        !          1246:                    offset = 0;                                         \
        !          1247:                    break;                                              \
        !          1248:                case PLUS:                                              \
        !          1249:                    if (!CONSTANT_ADDRESS_P (XEXP (offset, 1))) {       \
        !          1250:                        fprintf (FILE,                                  \
        !          1251:                    "PROGRAM in disorder PRINT_ADDR, PLUS, PLUS\n");    \
        !          1252:                        print_rtl(FILE, offset);                        \
        !          1253:                        exit (1);                                       \
        !          1254:                    }                                                   \
        !          1255:                    if (GET_CODE (XEXP(offset,0)) != REG) {             \
        !          1256:                        fprintf (FILE,                                  \
        !          1257:                    "PROGRAM in disorder PRINT_ADDR, PLUS, REG\n");     \
        !          1258:                        print_rtl(FILE, offset);                        \
        !          1259:                        exit (1);                                       \
        !          1260:                    }                                                   \
        !          1261:                    sprintf (reg1_str, "(%s))",                         \
        !          1262:                        reg_name[REGNO (XEXP(offset,0))]);              \
        !          1263:                    offset = XEXP (offset, 1);                          \
        !          1264:                    break;                                              \
        !          1265:                default:                                                \
        !          1266:                    abort();                                            \
        !          1267:            }                                                           \
        !          1268:        } else { /* !MEM */                                             \
        !          1269:            if (!CONSTANT_ADDRESS_P (offset)) {                         \
        !          1270:                abort();                                                \
        !          1271:            }                                                           \
        !          1272:            output_addr_const (FILE, offset);                           \
        !          1273:            offset_printed = 1;                                         \
        !          1274:            offset = 0;                                                 \
        !          1275:        }                                                               \
        !          1276:       }                                                                        \
        !          1277:                                                                        \
        !          1278:       if (GET_CODE (addr) == PLUS) {                                   \
        !          1279:          if (GET_CODE (XEXP (addr, 0)) == MULT)                        \
        !          1280:            {                                                           \
        !          1281:              reg1 = XEXP (addr, 0); /* [rX:Y] */                       \
        !          1282:              addr = XEXP (addr, 1); /* CONST/REG */                    \
        !          1283:              if (GET_CODE (XEXP (reg1, 1)) != CONST_INT ||             \
        !          1284:                    GET_CODE (XEXP (reg1, 0)) != REG) {                 \
        !          1285:                  abort();                                              \
        !          1286:              }                                                         \
        !          1287:              sprintf (reg2_str, "[%s:%c]",                             \
        !          1288:                reg_name[ REGNO(XEXP (reg1, 0)) ],                      \
        !          1289:                "XbwXdXXXq"[INTVAL (XEXP (reg1, 1))]);                  \
        !          1290:              reg1 = 0;                                                 \
        !          1291:            }                                                           \
        !          1292:          else if (GET_CODE (XEXP (addr, 1)) == MULT)                   \
        !          1293:            {                                                           \
        !          1294:              reg1 = XEXP (addr, 1); /* [rX:Y] */                       \
        !          1295:              addr = XEXP (addr, 0); /* CONST */                        \
        !          1296:              if (GET_CODE (XEXP (reg1, 1)) != CONST_INT ||             \
        !          1297:                    GET_CODE (XEXP (reg1, 0)) != REG) {                 \
        !          1298:                  abort();                                              \
        !          1299:              }                                                         \
        !          1300:              sprintf (reg2_str, "[%s:%c]",                             \
        !          1301:                reg_name[ REGNO(XEXP (reg1, 0)) ],                      \
        !          1302:                "XbwXdXXXq"[INTVAL (XEXP (reg1, 1))]);                  \
        !          1303:              reg1 = 0;                                                 \
        !          1304:            }                                                           \
        !          1305:          else if (GET_CODE (XEXP (addr, 0)) == REG)                    \
        !          1306:            {                                                           \
        !          1307:              sprintf (reg2_str, "[%s:b]",                              \
        !          1308:                reg_name[ REGNO(XEXP (addr, 0)) ]);                     \
        !          1309:              addr = XEXP (addr, 1); /* CONST / REG */                  \
        !          1310:            }                                                           \
        !          1311:          else if (GET_CODE (XEXP (addr, 1)) == REG)                    \
        !          1312:            {                                                           \
        !          1313:              sprintf (reg2_str, "[%s:b]",                              \
        !          1314:                reg_name[ REGNO(XEXP (addr, 1)) ]);                     \
        !          1315:              addr = XEXP (addr, 0); /* CONST / REG */                  \
        !          1316:            }                                                           \
        !          1317:       }                                                                        \
        !          1318:       if (addr)                                                                \
        !          1319:        switch (GET_CODE (addr)) {                                      \
        !          1320:            case MULT:                                                  \
        !          1321:                if(*reg2_str) {                                         \
        !          1322:                    fprintf (FILE,                                      \
        !          1323:                "PROGRAM in disorder PRINT_ADDR, INDEX, two mults\n");  \
        !          1324:                print_rtl(FILE, addr);                                  \
        !          1325:                    exit (1);                                           \
        !          1326:                }                                                       \
        !          1327:                reg1 = XEXP (addr, 0); /* [rX:Y] */                     \
        !          1328:                addr = XEXP (addr, 1); /* CONST */                      \
        !          1329:                if (GET_CODE (addr) != CONST_INT) {                     \
        !          1330:                    fprintf (FILE,                                      \
        !          1331:                "PROGRAM in disorder PRINT_ADDR, INDEX, !CONS3 (%d)\n", \
        !          1332:                        GET_CODE (addr));                               \
        !          1333:                print_rtl(FILE, addr);                                  \
        !          1334:                    exit (1);                                           \
        !          1335:                }                                                       \
        !          1336:                sprintf (reg2_str, "[%s:%c]", reg_name[ REGNO(reg1) ],  \
        !          1337:                    "XbwXdXXXq"[INTVAL (addr)]);                        \
        !          1338:                break;                                                  \
        !          1339:            case REG:                                                   \
        !          1340:                if (!*reg1_str) {                                       \
        !          1341:                     if (offset || offset_printed)                      \
        !          1342:                        sprintf (reg1_str, "(%s)", reg_name[REGNO (addr)]); \
        !          1343:                     else                                               \
        !          1344:                        sprintf (reg1_str, "0(%s)", reg_name[REGNO (addr)]); \
        !          1345:                } else if (!*reg2_str)                                  \
        !          1346:                    sprintf (reg2_str, "[%s:b]",                        \
        !          1347:                        reg_name[REGNO (addr)]);                        \
        !          1348:                else {                                                  \
        !          1349:                    abort();                                            \
        !          1350:                }                                                       \
        !          1351:                break;                                                  \
        !          1352:            default:                                                    \
        !          1353:                if (offset_printed)                                     \
        !          1354:                    fprintf (FILE, "+");                                \
        !          1355:                output_addr_const (FILE, addr);                         \
        !          1356:                offset_printed ++;                                      \
        !          1357:        }                                                               \
        !          1358:       if (offset) {                                                    \
        !          1359:            if(!offset_printed)                                         \
        !          1360:                fputc ('0', FILE);                                      \
        !          1361:            fputc ('(', FILE);                                          \
        !          1362:            output_addr_const (FILE, offset);                           \
        !          1363:       }                                                                        \
        !          1364:       if (*reg1_str)                                                   \
        !          1365:            fprintf (FILE, "%s", reg1_str);                             \
        !          1366:       if (*reg2_str)                                                   \
        !          1367:            fprintf (FILE, "%s", reg2_str);                             \
        !          1368:       break;                                                           \
        !          1369:     default:                                                           \
        !          1370:       output_addr_const (FILE, addr);                                  \
        !          1371:     }                                                                  \
        !          1372:     if(mem)                                                            \
        !          1373:        fprintf(FILE,")");}
        !          1374: 
        !          1375: /*
        !          1376: Local variables:
        !          1377: version-control: t
        !          1378: End:
        !          1379: */

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