+++ /dev/null
-/* Definitions of target machine for GNU compiler. AT&T we32000 version.
- Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
- 2001, 2002 Free Software Foundation, Inc.
- Contributed by John Wehle (john@feith1.uucp)
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-
-/* Names to predefine in the preprocessor for this target machine. */
-
-#define CPP_PREDEFINES "-Dwe32000 -Du3b2 -Dunix -Asystem=unix -Acpu=we32000 -Amachine=we32000"
-
-/* Print subsidiary information on the compiler version in use. */
-
-#define TARGET_VERSION fprintf (stderr, " (we32000)");
-
-/* Run-time compilation parameters selecting different hardware subsets. */
-
-extern int target_flags;
-
-/* Macros used in the machine description to test the flags. */
-
-/* Macro to define tables used to set the flags.
- This is a list in braces of pairs in braces,
- each pair being { "NAME", VALUE }
- where VALUE is the bits to set or minus the bits to clear.
- An empty string NAME is used to identify the default VALUE. */
-
-#define TARGET_SWITCHES \
- { { "", TARGET_DEFAULT, 0}}
-
-#define TARGET_DEFAULT 0
-
-\f
-/* target machine storage layout */
-
-/* Define this if most significant bit is lowest numbered
- in instructions that operate on numbered bit-fields. */
-#define BITS_BIG_ENDIAN 0
-
-/* Define this if most significant byte of a word is the lowest numbered. */
-/* That is true on the we32000. */
-#define BYTES_BIG_ENDIAN 1
-
-/* Define this if most significant word of a multiword is lowest numbered. */
-/* For we32000 we can decide arbitrarily
- since there are no machine instructions for them. */
-#define WORDS_BIG_ENDIAN 1
-
-/* number of bits in an addressable storage unit */
-#define BITS_PER_UNIT 8
-
-/* Width in bits of a "word", which is the contents of a machine register.
- Note that this is not necessarily the width of data type `int';
- if using 16-bit ints on a we32000, this would still be 32.
- But on a machine with 16-bit registers, this would be 16. */
-#define BITS_PER_WORD 32
-
-/* Width of a word, in units (bytes). */
-#define UNITS_PER_WORD 4
-
-/* Width in bits of a pointer.
- See also the macro `Pmode' defined below. */
-#define POINTER_SIZE 32
-
-/* Allocation boundary (in *bits*) for storing arguments in argument list. */
-#define PARM_BOUNDARY 32
-
-/* Boundary (in *bits*) on which stack pointer should be aligned. */
-#define STACK_BOUNDARY 32
-
-/* Allocation boundary (in *bits*) for the code of a function. */
-#define FUNCTION_BOUNDARY 32
-
-/* Alignment of field after `int : 0' in a structure. */
-#define EMPTY_FIELD_BOUNDARY 32
-
-/* No data type wants to be aligned rounder than this. */
-#define BIGGEST_ALIGNMENT 32
-
-/* Every structure's size must be a multiple of this. */
-#define STRUCTURE_SIZE_BOUNDARY 32
-
-/* Define this if move instructions will actually fail to work
- when given unaligned data. */
-#define STRICT_ALIGNMENT 1
-
-/* Define number of bits in most basic integer type.
- (If undefined, default is BITS_PER_WORD). */
-#define INT_TYPE_SIZE 32
-
-/* Integer bit fields should have the same size and alignment
- as actual integers */
-#define PCC_BITFIELD_TYPE_MATTERS 1
-
-/* Specify the size_t type. */
-#define SIZE_TYPE "unsigned int"
-\f
-/* Standard register usage. */
-
-/* Number of actual hardware registers.
- The hardware registers are assigned numbers for the compiler
- from 0 to just below FIRST_PSEUDO_REGISTER.
- All registers that the compiler knows about must be given numbers,
- even those that are not normally considered general registers. */
-#define FIRST_PSEUDO_REGISTER 16
-
-/* 1 for registers that have pervasive standard uses
- and are not available for the register allocator. */
-#define FIXED_REGISTERS \
- {0, 0, 0, 0, 0, 0, 0, 0, \
- 0, 1, 1, 1, 1, 1, 1, 1, }
-
-/* 1 for registers not available across function calls.
- These must include the FIXED_REGISTERS and also any
- registers that can be used without being saved.
- The latter must include the registers where values are returned
- and the register where structure-value addresses are passed.
- Aside from that, you can include as many other registers as you like. */
-#define CALL_USED_REGISTERS \
- {1, 1, 1, 0, 0, 0, 0, 0, \
- 0, 1, 1, 1, 1, 1, 1, 1, }
-
-/* Make sure everything's fine if we *don't* have a given processor.
- This assumes that putting a register in fixed_regs will keep the
- compilers mitt's completely off it. We don't bother to zero it out
- of register classes. */
-/* #define CONDITIONAL_REGISTER_USAGE */
-
-/* Return number of consecutive hard regs needed starting at reg REGNO
- to hold something of mode MODE.
- This is ordinarily the length in words of a value of mode MODE
- but can be less for certain modes in special long registers. */
-#define HARD_REGNO_NREGS(REGNO, MODE) \
- ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
-
-/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */
-#define HARD_REGNO_MODE_OK(REGNO, MODE) 1
-
-/* Value is 1 if it is a good idea to tie two pseudo registers
- when one has mode MODE1 and one has mode MODE2.
- If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
- for any hard reg, then this must be 0 for correct output. */
-#define MODES_TIEABLE_P(MODE1, MODE2) 0
-
-/* Specify the registers used for certain standard purposes.
- The values of these macros are register numbers. */
-
-/* Register used for the program counter */
-#define PC_REGNUM 15
-
-/* Register to use for pushing function arguments. */
-#define STACK_POINTER_REGNUM 12
-
-/* Base register for access to local variables of the function. */
-#define FRAME_POINTER_REGNUM 9
-
-/* Value should be nonzero if functions must have frame pointers.
- Zero means the frame pointer need not be set up (and parms
- may be accessed via the stack pointer) in functions that seem suitable.
- This is computed in `reload', in reload1.c. */
-#define FRAME_POINTER_REQUIRED 1
-
-/* Base register for access to arguments of the function. */
-#define ARG_POINTER_REGNUM 10
-
-/* Register in which static-chain is passed to a function. */
-#define STATIC_CHAIN_REGNUM 8
-
-/* Register in which address to store a structure value
- is passed to a function. */
-#define STRUCT_VALUE_REGNUM 2
-
-/* Order in which to allocate registers. */
-#define REG_ALLOC_ORDER \
- {0, 1, 8, 7, 6, 5, 4, 3}
-\f
-/* Define the classes of registers for register constraints in the
- machine description. Also define ranges of constants.
-
- One of the classes must always be named ALL_REGS and include all hard regs.
- If there is more than one class, another class must be named NO_REGS
- and contain no registers.
-
- The name GENERAL_REGS must be the name of a class (or an alias for
- another name such as ALL_REGS). This is the class of registers
- that is allowed by "g" or "r" in a register constraint.
- Also, registers outside this class are allocated only when
- instructions express preferences for them.
-
- The classes must be numbered in nondecreasing order; that is,
- a larger-numbered class must never be contained completely
- in a smaller-numbered class.
-
- For any two classes, it is very desirable that there be another
- class that represents their union. */
-
-enum reg_class { NO_REGS, GENERAL_REGS,
- ALL_REGS, LIM_REG_CLASSES };
-
-#define N_REG_CLASSES (int) LIM_REG_CLASSES
-
-/* Give names of register classes as strings for dump file. */
-
-#define REG_CLASS_NAMES \
- { "NO_REGS", "GENERAL_REGS", "ALL_REGS" }
-
-/* Define which registers fit in which classes.
- This is an initializer for a vector of HARD_REG_SET
- of length N_REG_CLASSES. */
-
-#define REG_CLASS_CONTENTS \
-{ \
- {0}, /* NO_REGS */ \
- {0x000017ff}, /* GENERAL_REGS */ \
- {0x0000ffff}, /* ALL_REGS */ \
-}
-
-/* The same information, inverted:
- Return the class number of the smallest class containing
- reg number REGNO. This could be a conditional expression
- or could index an array. */
-
-#define REGNO_REG_CLASS(REGNO) \
- (((REGNO) < 11 || (REGNO) == 12) ? GENERAL_REGS : ALL_REGS)
-
-/* The class value for index registers, and the one for base regs. */
-
-#define INDEX_REG_CLASS NO_REGS
-#define BASE_REG_CLASS GENERAL_REGS
-
-/* Get reg_class from a letter such as appears in the machine description.
- We do a trick here to modify the effective constraints on the
- machine description; we zorch the constraint letters that aren't
- appropriate for a specific target. This allows us to guarantee
- that a specific kind of register will not be used for a given target
- without fiddling with the register classes above. */
-
-#define REG_CLASS_FROM_LETTER(C) \
- ((C) == 'r' ? GENERAL_REGS : NO_REGS)
-
-/* The letters I, J, K, L and M in a register constraint string
- can be used to stand for particular ranges of immediate operands.
- This macro defines what the ranges are.
- C is the letter, and VALUE is a constant value.
- Return 1 if VALUE is in the range specified by C. */
-
-#define CONST_OK_FOR_LETTER_P(VALUE, C) 0
-
-/*
- */
-
-#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 0
-
-/* Given an rtx X being reloaded into a reg required to be
- in class CLASS, return the class of reg to actually use.
- In general this is just CLASS; but on some machines
- in some cases it is preferable to use a more restrictive class. */
-
-#define PREFERRED_RELOAD_CLASS(X,CLASS) (CLASS)
-
-/* Return the maximum number of consecutive registers
- needed to represent mode MODE in a register of class CLASS. */
-#define CLASS_MAX_NREGS(CLASS, MODE) \
- ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
-\f
-/* Stack layout; function entry, exit and calling. */
-
-/* Define this if pushing a word on the stack
- makes the stack pointer a smaller address. */
-/* #define STACK_GROWS_DOWNWARD */
-
-/* Define this if the nominal address of the stack frame
- is at the high-address end of the local variables;
- that is, each additional local variable allocated
- goes at a more negative offset in the frame. */
-/* #define FRAME_GROWS_DOWNWARD */
-
-/* Offset within stack frame to start allocating local variables at.
- If FRAME_GROWS_DOWNWARD, this is the offset to the END of the
- first local allocated. Otherwise, it is the offset to the BEGINNING
- of the first local allocated. */
-#define STARTING_FRAME_OFFSET 0
-
-/* If we generate an insn to push BYTES bytes,
- this says how many the stack pointer really advances by. */
-#define PUSH_ROUNDING(BYTES) (((BYTES) + 3) & ~3)
-
-/* Offset of first parameter from the argument pointer register value. */
-#define FIRST_PARM_OFFSET(FNDECL) 0
-
-/* Value is 1 if returning from a function call automatically
- pops the arguments described by the number-of-args field in the call.
- FUNDECL is the declaration node of the function (as a tree),
- FUNTYPE is the data type of the function (as a tree),
- or for a library call it is an identifier node for the subroutine name. */
-
-#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) (SIZE)
-
-/* Define how to find the value returned by a function.
- VALTYPE is the data type of the value (as a tree).
- If the precise function being called is known, FUNC is its FUNCTION_DECL;
- otherwise, FUNC is 0. */
-
-/* On the we32000 the return value is in r0 regardless. */
-
-#define FUNCTION_VALUE(VALTYPE, FUNC) \
- gen_rtx_REG (TYPE_MODE (VALTYPE), 0)
-
-/* Define how to find the value returned by a library function
- assuming the value has mode MODE. */
-
-/* On the we32000 the return value is in r0 regardless. */
-
-#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, 0)
-
-/* 1 if N is a possible register number for a function value.
- On the we32000, r0 is the only register thus used. */
-
-#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0)
-
-/* Define this if PCC uses the nonreentrant convention for returning
- structure and union values. */
-
-/* #define PCC_STATIC_STRUCT_RETURN */
-
-/* 1 if N is a possible register number for function argument passing.
- On the we32000, no registers are used in this way. */
-
-#define FUNCTION_ARG_REGNO_P(N) 0
-\f
-/* Define a data type for recording info about an argument list
- during the scan of that argument list. This data type should
- hold all necessary information about the function itself
- and about the args processed so far, enough to enable macros
- such as FUNCTION_ARG to determine where the next arg should go.
-
- On the we32k, this is a single integer, which is a number of bytes
- of arguments scanned so far. */
-
-#define CUMULATIVE_ARGS int
-
-/* Initialize a variable CUM of type CUMULATIVE_ARGS
- for a call to a function whose data type is FNTYPE.
- For a library call, FNTYPE is 0.
-
- On the we32k, the offset starts at 0. */
-
-#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \
- ((CUM) = 0)
-
-/* Update the data in CUM to advance over an argument
- of mode MODE and data type TYPE.
- (TYPE is null for libcalls where that information may not be available.) */
-
-#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
- ((CUM) += ((MODE) != BLKmode \
- ? (GET_MODE_SIZE (MODE) + 3) & ~3 \
- : (int_size_in_bytes (TYPE) + 3) & ~3))
-
-/* Define where to put the arguments to a function.
- Value is zero to push the argument on the stack,
- or a hard register in which to store the argument.
-
- MODE is the argument's machine mode.
- TYPE is the data type of the argument (as a tree).
- This is null for libcalls where that information may
- not be available.
- CUM is a variable of type CUMULATIVE_ARGS which gives info about
- the preceding args and about the function being called.
- NAMED is nonzero if this argument is a named parameter
- (otherwise it is an extra parameter matching an ellipsis). */
-
-/* On the we32000 all args are pushed */
-
-#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) 0
-
-/* For an arg passed partly in registers and partly in memory,
- this is the number of registers used.
- For args passed entirely in registers or entirely in memory, zero. */
-
-#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) 0
-
-/* Output assembler code to FILE to increment profiler label # LABELNO
- for profiling a function entry. */
-
-#define FUNCTION_PROFILER(FILE, LABELNO) \
- fprintf (FILE, "\tmovw &.LP%d,%%r0\n\tjsb _mcount\n", (LABELNO))
-
-/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
- the stack pointer does not matter. The value is tested only in
- functions that have frame pointers.
- No definition is equivalent to always zero. */
-
-#define EXIT_IGNORE_STACK 0
-
-/* Store in the variable DEPTH the initial difference between the
- frame pointer reg contents and the stack pointer reg contents,
- as of the start of the function body. This depends on the layout
- of the fixed parts of the stack frame and on how registers are saved.
-
- On the we32k, FRAME_POINTER_REQUIRED is always 1, so the definition of this
- macro doesn't matter. But it must be defined. */
-
-#define INITIAL_FRAME_POINTER_OFFSET(DEPTH) (DEPTH) = 0;
-
-/* Output assembler code for a block containing the constant parts
- of a trampoline, leaving space for the variable parts. */
-
-/* On the we32k, the trampoline contains two instructions:
- mov #STATIC,%r8
- jmp #FUNCTION */
-
-#define TRAMPOLINE_TEMPLATE(FILE) \
-{ \
- assemble_aligned_integer (2, GEN_INT (0x844f)); \
- assemble_aligned_integer (2, const0_rtx); \
- assemble_aligned_integer (2, const0_rtx); \
- assemble_aligned_integer (1, GEN_INT (0x48)); \
- assemble_aligned_integer (2, GEN_INT (0x247f)); \
- assemble_aligned_integer (2, const0_rtx); \
- assemble_aligned_integer (2, const0_rtx); \
-}
-
-/* Length in units of the trampoline for entering a nested function. */
-
-#define TRAMPOLINE_SIZE 13
-
-/* Emit RTL insns to initialize the variable parts of a trampoline.
- FNADDR is an RTX for the address of the function's pure code.
- CXT is an RTX for the static chain value for the function. */
-
-#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
-{ \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 2)), CXT); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 9)), FNADDR); \
-}
-\f
-/* Generate calls to memcpy() and memset() rather
- than bcopy() and bzero() */
-#define TARGET_MEM_FUNCTIONS
-\f
-/* Addressing modes, and classification of registers for them. */
-
-/* #define HAVE_POST_INCREMENT 0 */
-/* #define HAVE_POST_DECREMENT 0 */
-
-/* #define HAVE_PRE_DECREMENT 0 */
-/* #define HAVE_PRE_INCREMENT 0 */
-
-/* Macros to check register numbers against specific register classes. */
-
-/* These assume that REGNO is a hard or pseudo reg number.
- They give nonzero only if REGNO is a hard reg of the suitable class
- or a pseudo reg currently allocated to a suitable hard reg.
- Since they use reg_renumber, they are safe only once reg_renumber
- has been allocated, which happens in local-alloc.c. */
-
-#define REGNO_OK_FOR_INDEX_P(REGNO) 0
-
-#define REGNO_OK_FOR_BASE_P(REGNO) \
- ((REGNO) < 11 || (REGNO) == 12 || \
- (unsigned)reg_renumber[REGNO] < 11 || (unsigned)reg_renumber[REGNO] == 12)
-\f
-/* Maximum number of registers that can appear in a valid memory address. */
-
-#define MAX_REGS_PER_ADDRESS 1
-
-/* Recognize any constant value that is a valid address. */
-
-#define CONSTANT_ADDRESS_P(X) \
- (GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \
- || GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST \
- || GET_CODE (X) == HIGH)
-
-/* Nonzero if the constant value X is a legitimate general operand.
- It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE. */
-
-#define LEGITIMATE_CONSTANT_P(X) 1
-
-/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
- and check its validity for a certain class.
- We have two alternate definitions for each of them.
- The usual definition accepts all pseudo regs; the other rejects
- them unless they have been allocated suitable hard regs.
- The symbol REG_OK_STRICT causes the latter definition to be used.
-
- Most source files want to accept pseudo regs in the hope that
- they will get allocated to the class that the insn wants them to be in.
- Source files for reload pass need to be strict.
- After reload, it makes no difference, since pseudo regs have
- been eliminated by then. */
-
-#ifndef REG_OK_STRICT
-
-/* Nonzero if X is a hard reg that can be used as an index
- or if it is a pseudo reg. */
-#define REG_OK_FOR_INDEX_P(X) 0
-
-/* Nonzero if X is a hard reg that can be used as a base reg
- or if it is a pseudo reg. */
-#define REG_OK_FOR_BASE_P(X) \
- (REGNO(X) < 11 || REGNO(X) == 12 || REGNO(X) >= FIRST_PSEUDO_REGISTER)
-
-#else
-
-/* Nonzero if X is a hard reg that can be used as an index. */
-#define REG_OK_FOR_INDEX_P(X) REGNO_OK_FOR_INDEX_P (REGNO (X))
-/* Nonzero if X is a hard reg that can be used as a base reg. */
-#define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
-
-#endif
-\f
-/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression
- that is a valid memory address for an instruction.
- The MODE argument is the machine mode for the MEM expression
- that wants to use this address. */
-
-#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
-{ register rtx Addr = X; \
- if ((MODE) == QImode || (MODE) == HImode || \
- (MODE) == PSImode || (MODE) == SImode || (MODE) == SFmode) \
- if (GET_CODE(Addr) == MEM) \
- Addr = XEXP(Addr, 0); \
- if (CONSTANT_ADDRESS_P(Addr)) \
- goto LABEL; \
- if (REG_P(Addr) && REG_OK_FOR_BASE_P(Addr)) \
- goto LABEL; \
- if (GET_CODE(Addr) == PLUS && \
- ((REG_P(XEXP(Addr, 0)) && REG_OK_FOR_BASE_P(XEXP(Addr, 0)) && \
- CONSTANT_ADDRESS_P(XEXP(Addr, 1))) || \
- (REG_P(XEXP(Addr, 1)) && REG_OK_FOR_BASE_P(XEXP(Addr, 1)) && \
- CONSTANT_ADDRESS_P(XEXP(Addr, 0))))) \
- goto LABEL; \
-}
-\f
-/* Try machine-dependent ways of modifying an illegitimate address
- to be legitimate. If we find one, return the new, valid address.
- This macro is used in only one place: `memory_address' in explow.c.
-
- OLDX is the address as it was before break_out_memory_refs was called.
- In some cases it is useful to look at this to decide what needs to be done.
-
- MODE and WIN are passed so that this macro can use
- GO_IF_LEGITIMATE_ADDRESS.
-
- It is always safe for this macro to do nothing. It exists to recognize
- opportunities to optimize the output. */
-
-#define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN) { }
-
-/* Go to LABEL if ADDR (a legitimate address expression)
- has an effect that depends on the machine mode it is used for. */
-
-#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) { }
-\f
-/* Specify the machine mode that this machine uses
- for the index in the tablejump instruction. */
-#define CASE_VECTOR_MODE SImode
-
-/* Define as C expression which evaluates to nonzero if the tablejump
- instruction expects the table to contain offsets from the address of the
- table.
- Do not define this if the table should contain absolute addresses. */
-/* #define CASE_VECTOR_PC_RELATIVE 1 */
-
-/* Define this as 1 if `char' should by default be signed; else as 0. */
-#define DEFAULT_SIGNED_CHAR 0
-
-/* Max number of bytes we can move from memory to memory
- in one reasonably fast instruction. */
-#define MOVE_MAX 4
-
-/* Nonzero if access to memory by bytes is slow and undesirable. */
-#define SLOW_BYTE_ACCESS 0
-
-/* Define this to be nonzero if shift instructions ignore all but the low-order
- few bits. */
-#define SHIFT_COUNT_TRUNCATED 1
-
-/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
- is done just by pretending it is already truncated. */
-#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
-
-/* We assume that the store-condition-codes instructions store 0 for false
- and some other value for true. This is the value stored for true. */
-
-#define STORE_FLAG_VALUE (-1)
-
-/* When a prototype says `char' or `short', really pass an `int'. */
-#define PROMOTE_PROTOTYPES 1
-
-/* Specify the machine mode that pointers have.
- After generation of rtl, the compiler makes no further distinction
- between pointers and any other objects of this machine mode. */
-#define Pmode SImode
-
-/* A function address in a call instruction
- is a byte address (for indexing purposes)
- so give the MEM rtx a byte's mode. */
-#define FUNCTION_MODE QImode
-
-/* Compute the cost of computing a constant rtl expression RTX
- whose rtx-code is CODE. The body of this macro is a portion
- of a switch statement. If the code is computed here,
- return it with a return statement. Otherwise, break from the switch. */
-
-#define CONST_COSTS(RTX,CODE, OUTER_CODE) \
- case CONST_INT: \
- if (INTVAL (RTX) >= -16 && INTVAL (RTX) <= 63) return 0; \
- if (INTVAL (RTX) >= -128 && INTVAL (RTX) <= 127) return 1; \
- if (INTVAL (RTX) >= -32768 && INTVAL (RTX) <= 32767) return 2; \
- case CONST: \
- case LABEL_REF: \
- case SYMBOL_REF: \
- return 3; \
- case CONST_DOUBLE: \
- return 5;
-\f
-/* Tell final.c how to eliminate redundant test instructions. */
-
-/* Here we define machine-dependent flags and fields in cc_status
- (see `conditions.h'). */
-
-#define NOTICE_UPDATE_CC(EXP, INSN) \
-{ \
- { CC_STATUS_INIT; } \
-}
-\f
-/* Control the assembler format that we output. */
-
-/* Use crt1.o as a startup file and crtn.o as a closing file. */
-
-#define STARTFILE_SPEC "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
-
-#define ENDFILE_SPEC "crtn.o%s"
-
-/* The .file command should always begin the output. */
-
-#define ASM_FILE_START(FILE) output_file_directive ((FILE), main_input_filename)
-
-/* Output to assembler file text saying following lines
- may contain character constants, extra white space, comments, etc. */
-
-#define ASM_APP_ON "#APP\n"
-
-/* Output to assembler file text saying following lines
- no longer contain unusual constructs. */
-
-#define ASM_APP_OFF "#NO_APP\n"
-
-/* Output before code. */
-
-#define TEXT_SECTION_ASM_OP "\t.text"
-
-/* Output before writable data. */
-
-#define DATA_SECTION_ASM_OP "\t.data"
-
-/* Read-only data goes in the data section because
- AT&T's assembler doesn't guarantee the proper alignment
- of data in the text section even if an align statement
- is used. */
-
-#define READONLY_DATA_SECTION() data_section()
-
-/* How to refer to registers in assembler output.
- This sequence is indexed by compiler's hard-register-number (see above). */
-
-#define REGISTER_NAMES \
-{"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
- "r8", "fp", "ap", "psw", "sp", "pcbp", "isp", "pc" }
-
-/* Output SDB debugging info in response to the -g option. */
-
-#define SDB_DEBUGGING_INFO
-
-/* This is how to output the definition of a user-level label named NAME,
- such as the label on a static function or variable NAME. */
-
-#define ASM_OUTPUT_LABEL(FILE,NAME) \
- do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0)
-
-/* This is how to output a command to make the user-level label named NAME
- defined for reference from other files. */
-
-#define ASM_GLOBALIZE_LABEL(FILE,NAME) \
- do { \
- fputs (".globl ", FILE); \
- assemble_name (FILE, NAME); \
- fputs ("\n", FILE); \
- } while (0)
-
-/* The prefix to add to user-visible assembler symbols. */
-
-#define USER_LABEL_PREFIX ""
-
-/* This is how to output an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class. */
-
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
-
-/* This is how to store into the string LABEL
- the symbol_ref name of an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class.
- This is suitable for output with `assemble_name'. */
-
-#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
- sprintf (LABEL, ".%s%d", PREFIX, NUM)
-
-/* This is how to output an internal numbered label which
- labels a jump table. */
-
-#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
- do { \
- ASM_OUTPUT_ALIGN (FILE, 2); \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); \
- } while (0)
-
-#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
-do { \
- const unsigned char *s; \
- size_t i, limit = (LEN); \
- for (i = 0, s = (const unsigned char *)(PTR); i < limit; s++, i++) \
- { \
- if ((i % 8) == 0) \
- fprintf ((FILE),"%s\t.byte\t",(i?"\n":"")); \
- fprintf ((FILE), "%s0x%x", (i%8?",":""), (unsigned)*s); \
- } \
- fputs ("\n", (FILE)); \
-} while (0)
-
-/* This is how to output an insn to push a register on the stack.
- It need not be very fast code. */
-
-#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
- fprintf (FILE, "\tpushw %s\n", reg_names[REGNO])
-
-/* This is how to output an insn to pop a register from the stack.
- It need not be very fast code. */
-
-#define ASM_OUTPUT_REG_POP(FILE,REGNO) \
- fprintf (FILE, "\tPOPW %s\n", reg_names[REGNO])
-
-/* This is how to output an element of a case-vector that is absolute. */
-
-#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
- fprintf (FILE, "\t.word .L%d\n", VALUE)
-
-/* This is how to output an element of a case-vector that is relative. */
-
-#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
- fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL)
-
-/* This is how to output an assembler line
- that says to advance the location counter
- to a multiple of 2**LOG bytes. */
-
-#define ASM_OUTPUT_ALIGN(FILE,LOG) \
- if ((LOG) != 0) \
- fprintf (FILE, "\t.align %d\n", 1 << (LOG))
-
-/* This is how to output an assembler line
- that says to advance the location counter by SIZE bytes. */
-
-/* The `space' pseudo in the text segment outputs nop insns rather than 0s,
- so we must output 0s explicitly in the text segment. */
-
-#define ASM_OUTPUT_SKIP(FILE,SIZE) do { \
- if (in_text_section ()) \
- { \
- int i; \
- for (i = 0; i < (SIZE) - 20; i += 20) \
- fprintf (FILE, "\t.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0\n"); \
- if (i < (SIZE)) \
- { \
- fprintf (FILE, "\t.byte 0"); \
- i++; \
- for (; i < (SIZE); i++) \
- fprintf (FILE, ",0"); \
- fprintf (FILE, "\n"); \
- } \
- } \
- else \
- fprintf ((FILE), "\t.set .,.+%u\n", (SIZE)); } while (0)
-
-/* This says how to output an assembler line
- to define a global common symbol. */
-
-#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
- do { \
- data_section(); \
- fputs ("\t.comm ", (FILE)); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u\n", (SIZE)); \
- } while (0)
-
-/* This says how to output an assembler line
- to define a local common symbol. */
-
-#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
- do { \
- data_section(); \
- ASM_OUTPUT_ALIGN ((FILE), 2); \
- ASM_OUTPUT_LABEL ((FILE), (NAME)); \
- fprintf ((FILE), "\t.zero %u\n", (SIZE)); \
- } while (0)
-
-/* Store in OUTPUT a string (made with alloca) containing
- an assembler-name for a local static variable named NAME.
- LABELNO is an integer which is different for each call. */
-
-#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
-( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10), \
- sprintf ((OUTPUT), "%s.%d", (NAME), (LABELNO)))
-
-/* Output #ident as a .ident. */
-
-#define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME)
-
-/* Print operand X (an rtx) in assembler syntax to file FILE.
- CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified.
- For `%' followed by punctuation, CODE is the punctuation and X is null. */
-
-#define PRINT_OPERAND_PUNCT_VALID_P(CODE) 0
-
-#define PRINT_OPERAND(FILE, X, CODE) \
-{ if (GET_CODE (X) == REG) \
- fprintf (FILE, "%%%s", reg_names[REGNO (X)]); \
- else if (GET_CODE (X) == MEM) \
- output_address (XEXP (X, 0)); \
- else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \
- { \
- union { double d; long l[2]; } dtem; \
- union { float f; long l; } ftem; \
- \
- dtem.l[0] = CONST_DOUBLE_LOW (X); \
- dtem.l[1] = CONST_DOUBLE_HIGH (X); \
- ftem.f = dtem.d; \
- fprintf(FILE, "&0x%lx", ftem.l); \
- } \
- else { putc ('&', FILE); output_addr_const (FILE, X); }}
-\f
-#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
-{ register rtx Addr = ADDR; \
- rtx offset; \
- rtx reg; \
- if (GET_CODE (Addr) == MEM) { \
- putc ('*', FILE); \
- Addr = XEXP (Addr, 0); \
- if (GET_CODE (Addr) == REG) \
- putc ('0', FILE); \
- } \
- switch (GET_CODE (Addr)) \
- { \
- case REG: \
- fprintf (FILE, "(%%%s)", reg_names[REGNO (Addr)]); \
- break; \
- \
- case PLUS: \
- offset = NULL; \
- if (CONSTANT_ADDRESS_P (XEXP (Addr, 0))) \
- { \
- offset = XEXP (Addr, 0); \
- Addr = XEXP (Addr, 1); \
- } \
- else if (CONSTANT_ADDRESS_P (XEXP (Addr, 1))) \
- { \
- offset = XEXP (Addr, 1); \
- Addr = XEXP (Addr, 0); \
- } \
- else \
- abort(); \
- if (REG_P (Addr)) \
- reg = Addr; \
- else \
- abort(); \
- output_addr_const(FILE, offset); \
- fprintf(FILE, "(%%%s)", reg_names[REGNO(reg)]); \
- break; \
- \
- default: \
- if ( !CONSTANT_ADDRESS_P(Addr)) \
- abort(); \
- output_addr_const (FILE, Addr); \
- }}
-\f
-/*
-Local variables:
-version-control: t
-End:
-*/
projects / msp430-gcc.git / blobdiff