+++ /dev/null
-/* Definitions of target machine for GNU compiler. Elxsi version.
- Copyright (C) 1987, 1988, 1992, 1995, 1996, 1998, 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
- Contributed by Mike Stump <mrs@cygnus.com> in 1988. This is the first
- 64 bit port of GNU CC.
- Based upon the VAX port.
-
-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 "-Delxsi -Dunix -Asystem=unix -Acpu=elxsi -Amachine=elxsi"
-
-/* Print subsidiary information on the compiler version in use. */
-
-#define TARGET_VERSION fprintf (stderr, " (elxsi)");
-
-/* Run-time compilation parameters selecting different hardware subsets. */
-
-extern int target_flags;
-
-/* Macros used in the machine description to test the flags. */
-
-/* Nonzero if compiling code that Unix assembler can assemble. */
-#define TARGET_UNIX_ASM (target_flags & 1)
-
-
-/* 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 \
- { {"unix", 1, N_("Generate code the unix assembler can handle")}, \
- {"embos", -1, N_("Generate code an embedded assembler can handle")},\
- { "", TARGET_DEFAULT, NULL}}
-
-/* Default target_flags if no switches specified. */
-
-#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT 1
-#endif
-\f
-/* Target machine storage layout */
-
-/* Define this if most significant bit is lowest numbered
- in instructions that operate on numbered bit-fields.
- This is not true on the VAX. */
-#define BITS_BIG_ENDIAN 0
-
-/* Define this if most significant byte of a word is the lowest numbered. */
-#define BYTES_BIG_ENDIAN 1
-
-/* Define this if most significant word of a multiword number is numbered. */
-#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 68000, this would still be 32.
- But on a machine with 16-bit registers, this would be 16. */
-#define BITS_PER_WORD 64
-
-#define INT_TYPE_SIZE 32
-
-#define LONG_TYPE_SIZE 32
-
-#define LONG_LONG_TYPE_SIZE 64
-
-#define FLOAT_TYPE_SIZE 32
-
-#define DOUBLE_TYPE_SIZE 64
-
-#define LONG_DOUBLE_TYPE_SIZE 64
-
-/* Width of a word, in units (bytes). */
-#define UNITS_PER_WORD 8
-
-/* Width in bits of a pointer.
- See also the macro `Pmode' defined below. */
-#define POINTER_SIZE 32
-
-/* Allocation boundary (in *bits*) for storing pointers in memory. */
-#define POINTER_BOUNDARY 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 8
-
-/* Alignment of field after `int : 0' in a structure. */
-#define EMPTY_FIELD_BOUNDARY 8
-
-/* Every structure's size must be a multiple of this. */
-#define STRUCTURE_SIZE_BOUNDARY 32
-
-/* A bitfield declared as `int' forces `int' alignment for the struct. */
-#define PCC_BITFIELD_TYPE_MATTERS 1
-
-/* No data type wants to be aligned rounder than this. */
-#define BIGGEST_ALIGNMENT 32
-
-/* Define this if move instructions will actually fail to work
- when given unaligned data. */
-#define STRICT_ALIGNMENT 0
-\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.
- On the elxsi, these is the .r15 (aka .sp). */
-#define FIXED_REGISTERS {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}
-
-/* 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.
- On the VAX, all registers are one word long. */
-#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) 1
-
-/* Specify the registers used for certain standard purposes.
- The values of these macros are register numbers. */
-
-/* Register to use for pushing function arguments. */
-#define STACK_POINTER_REGNUM 15
-
-/* Base register for access to local variables of the function. */
-#define FRAME_POINTER_REGNUM 14
-
-/* 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 0
-
-#define INITIAL_FRAME_POINTER_OFFSET(DEPTH) \
-{ int regno; \
- int offset = 0; \
- for( regno=0; regno < FIRST_PSEUDO_REGISTER; regno++ ) \
- if( regs_ever_live[regno] && !call_used_regs[regno] ) \
- offset += 8; \
- (DEPTH) = (offset + ((get_frame_size() + 3) & ~3) ); \
- (DEPTH) = 0; \
-}
-
-/* Base register for access to arguments of the function. */
-#define ARG_POINTER_REGNUM 14
-
-/* Register in which static-chain is passed to a function. */
-#define STATIC_CHAIN_REGNUM 0
-
-/* Register in which address to store a structure value
- is passed to a function. */
-#define STRUCT_VALUE_REGNUM 1
-\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. */
-
-/* The VAX has only one kind of registers, so NO_REGS and ALL_REGS
- are the only classes. */
-
-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}, {0x07fff}, {0xffff}}
-
-/* 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 == 15 ? ALL_REGS : GENERAL_REGS)
-
-/* The class value for index registers, and the one for base regs. */
-
-#define INDEX_REG_CLASS GENERAL_REGS
-#define BASE_REG_CLASS GENERAL_REGS
-
-/* Get reg_class from a letter such as appears in the machine description. */
-
-#define REG_CLASS_FROM_LETTER(C) 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) \
- ((C) == 'I' ? (VALUE) >=-16 && (VALUE) <=15 : 0)
-
-/* Similar, but for floating constants, and defining letters G and H.
- Here VALUE is the CONST_DOUBLE rtx itself. */
-
-#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 1
-
-/* 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. */
-/* On the VAX, this is always the size of MODE in words,
- since all registers are the same size. */
-#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 -4
-
-/* Offset of first parameter from the argument pointer register value. */
-#define FIRST_PARM_OFFSET(FNDECL) 4
-
-/* 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.
-
- On the VAX, the RET insn always pops all the args for any function. */
-
-#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 VAX 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 VAX the return value is in R0 regardless. */
-
-#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, 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 a function value.
- On the VAX, R0 is the only register thus used. */
-
-#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0)
-
-/* 1 if N is a possible register number for function argument passing.
- On the VAX, 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 VAX, 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 VAX, the offset starts at 0. */
-
-#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,x,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 VAX all args are pushed. */
-
-#define FUNCTION_ARG(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, "\tld.64\t.r0,.LP%d\n\tcall\tmcount\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
-
-/* If the memory address ADDR is relative to the frame pointer,
- correct it to be relative to the stack pointer instead.
- This is for when we don't use a frame pointer.
- ADDR should be a variable name. */
-
-#define FIX_FRAME_POINTER_ADDRESS(ADDR,DEPTH) \
-{ int offset = -1; \
- rtx regs = stack_pointer_rtx; \
- if (ADDR == frame_pointer_rtx) \
- offset = 0; \
- else if (GET_CODE (ADDR) == PLUS && XEXP (ADDR, 1) == frame_pointer_rtx \
- && GET_CODE (XEXP (ADDR, 0)) == CONST_INT) \
- offset = INTVAL (XEXP (ADDR, 0)); \
- else if (GET_CODE (ADDR) == PLUS && XEXP (ADDR, 0) == frame_pointer_rtx \
- && GET_CODE (XEXP (ADDR, 1)) == CONST_INT) \
- offset = INTVAL (XEXP (ADDR, 1)); \
- else if (GET_CODE (ADDR) == PLUS && XEXP (ADDR, 0) == frame_pointer_rtx) \
- { rtx other_reg = XEXP (ADDR, 1); \
- offset = 0; \
- regs = gen_rtx_PLUS (Pmode, stack_pointer_rtx, other_reg); } \
- else if (GET_CODE (ADDR) == PLUS && XEXP (ADDR, 1) == frame_pointer_rtx) \
- { rtx other_reg = XEXP (ADDR, 0); \
- offset = 0; \
- regs = gen_rtx_PLUS (Pmode, stack_pointer_rtx, other_reg); } \
- if (offset >= 0) \
- { int regno; \
- extern char call_used_regs[]; \
- offset += 4; /* I don't know why??? */ \
- for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) \
- if (regs_ever_live[regno] && ! call_used_regs[regno]) \
- offset += 8; \
- ADDR = plus_constant (regs, offset + (DEPTH)); } }
-
-\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) \
-((regno) < FIRST_PSEUDO_REGISTER || reg_renumber[regno] >= 0)
-#define REGNO_OK_FOR_BASE_P(regno) \
-((regno) < FIRST_PSEUDO_REGISTER || reg_renumber[regno] >= 0)
-\f
-/* Maximum number of registers that can appear in a valid memory address. */
-
-#define MAX_REGS_PER_ADDRESS 2
-
-/* 1 if X is an rtx for a constant 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) \
- (GET_CODE (X) != CONST_DOUBLE)
-
-/* 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) 1
-/* 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) 1
-
-#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.
-
- CONSTANT_ADDRESS_P is actually machine-independent. */
-
-#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \
-{ \
- if (GET_CODE (X) == REG) goto ADDR; \
- if (CONSTANT_ADDRESS_P (X)) goto ADDR; \
- if (GET_CODE (X) == PLUS) \
- { \
- /* Handle [index]<address> represented with index-sum outermost */\
- if (GET_CODE (XEXP (X, 0)) == REG \
- && REG_OK_FOR_BASE_P (XEXP (X, 0)) \
- && GET_CODE (XEXP (X, 1)) == CONST_INT) \
- goto ADDR; \
- if (GET_CODE (XEXP (X, 1)) == REG \
- && REG_OK_FOR_BASE_P (XEXP (X, 0)) \
- && GET_CODE (XEXP (X, 0)) == CONST_INT) \
- goto ADDR; \
- } \
- }
-
-\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.
-
- For the VAX, nothing needs to be done. */
-
-#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 1
-
-/* This flag, if defined, says the same insns that convert to a signed fixnum
- also convert validly to an unsigned one. */
-#define FIXUNS_TRUNC_LIKE_FIX_TRUNC
-
-/* Max number of bytes we can move from memory to memory
- in one reasonably fast instruction. */
-#define MOVE_MAX 8
-
-/* Nonzero if access to memory by bytes is slow and undesirable. */
-#define SLOW_BYTE_ACCESS 0
-
-/* Define if shifts truncate the shift count
- which implies one can omit a sign-extension or zero-extension
- of a shift count. */
-/* #define SHIFT_COUNT_TRUNCATED */
-
-/* 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
-
-/* 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: \
- /* Constant zero is super cheap due to clr instruction. */ \
- if (RTX == const0_rtx) return 0; \
- if ((unsigned) INTVAL (RTX) < 077) return 1; \
- case CONST: \
- case LABEL_REF: \
- case SYMBOL_REF: \
- return 3; \
- case CONST_DOUBLE: \
- return 5;
-
-/*
- * We can use the BSD C library routines for the gnulib calls that are
- * still generated, since that's what they boil down to anyways.
- */
-
-/* #define UDIVSI3_LIBCALL "*udiv" */
-/* #define UMODSI3_LIBCALL "*urem" */
-\f
-/* Tell final.c how to eliminate redundant test instructions. */
-
-/* Here we define machine-dependent flags and fields in cc_status
- (see `conditions.h'). No extra ones are needed for the VAX. */
-
-/* Store in cc_status the expressions
- that the condition codes will describe
- after execution of an instruction whose pattern is EXP.
- Do not alter them if the instruction would not alter the cc's. */
-
-#define NOTICE_UPDATE_CC(EXP, INSN) \
- CC_STATUS_INIT;
-
-\f
-/* Control the assembler format that we output. */
-
-/* Output the name of the file we are compiling. */
-#define ASM_OUTPUT_SOURCE_FILENAME(STREAM, NAME) \
- do { fprintf (STREAM, "\t.file\t"); \
- output_quoted_string (STREAM, NAME); \
- fprintf (STREAM, "\n"); \
- } while (0)
-
-/* Output at beginning of assembler file. */
-#define ASM_FILE_START(FILE) fputs ("", (FILE));
-
-/* Output to assembler file text saying following lines
- may contain character constants, extra white space, comments, etc. */
-
-#define ASM_APP_ON ""
-
-/* Output to assembler file text saying following lines
- no longer contain unusual constructs. */
-
-#define ASM_APP_OFF ""
-
-/* Output before read-only data. */
-
-#define TEXT_SECTION_ASM_OP "\t.inst"
-
-/* Output before writable data. */
-
-#define DATA_SECTION_ASM_OP "\t.var"
-
-/* 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", \
- ".r9", ".r10", ".r11", ".r12", ".r13", ".r14", ".sp"}
-
-/* This is BSD, so it wants DBX format. */
-
-/* #define DBX_DEBUGGING_INFO */
-
-/* Do not break .stabs pseudos into continuations. */
-
-#define DBX_CONTIN_LENGTH 0
-
-/* This is the char to use for continuation (in case we need to turn
- continuation back on). */
-
-#define DBX_CONTIN_CHAR '?'
-
-/* Don't use the `xsfoo;' construct in DBX output; this system
- doesn't support it. */
-
-#define DBX_NO_XREFS
-
-/* 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 ("\t.extdef\t", 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 insn to push a register on the stack.
- It need not be very fast code. */
-
-#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
- fprintf (FILE, "\tsubi.64\t4,.sp\n\tst.32\t%s,[.sp]\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, "\tld.32\t%s,[.sp]\n\taddi.64\t4,.sp\n", reg_names[REGNO])
-
-/* This is how to output an element of a case-vector that is absolute.
- (The VAX does not use such vectors,
- but we must define this macro anyway.) */
-
-#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
- fprintf (FILE, "\t.data .L%d{32}\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.data .L%d-.L%d{32}\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) \
- do { if (LOG!=0) fprintf (FILE, "\t.align\t%d\n", (LOG)); } while (0)
-
-/* This is how to output an assembler line
- that says to advance the location counter by SIZE bytes. */
-
-#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf (FILE, "\t.space %d\n", (SIZE))
-
-/* This says how to output an assembler line
- to define a global common symbol. */
-
-#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
-( fputs (".comm ", (FILE)), \
- assemble_name ((FILE), (NAME)), \
- fprintf ((FILE), ",%d\n", (ROUNDED)))
-
-/* This says how to output an assembler line
- to define a local common symbol. */
-
-#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
-( fputs (".bss ", (FILE)), \
- assemble_name ((FILE), (NAME)), \
- fprintf ((FILE), ",%d,%d\n", (SIZE),(ROUNDED)))
-
-/* 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)))
-
-/* Print an instruction operand X on file FILE.
- CODE is the code from the %-spec that requested printing this operand;
- if `%z3' was used to print operand 3, then CODE is 'z'. */
-
-#define PRINT_OPERAND(FILE, X, CODE) \
-{ \
- if (CODE == 'r' && GET_CODE (X) == MEM && GET_CODE (XEXP (X, 0)) == REG) \
- fprintf (FILE, "%s", reg_names[REGNO (XEXP (X, 0))]); \
- else if (GET_CODE (X) == REG) \
- fprintf (FILE, "%s", reg_names[REGNO (X)]); \
- else if (GET_CODE (X) == MEM) \
- output_address (XEXP (X, 0)); \
- else \
- { \
- /*debug_rtx(X);*/ \
- putc ('=', FILE); \
- output_addr_const (FILE, X); } \
- }
-
-/* Print a memory operand whose address is X, on file FILE.
- This uses a function in output-vax.c. */
-
-#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
- print_operand_address (FILE, ADDR)
-
-/* These are stubs, and have yet to bee written. */
-
-#define TRAMPOLINE_SIZE 26
-#define TRAMPOLINE_TEMPLATE(FILE)
-#define INITIALIZE_TRAMPOLINE(TRAMP,FNADDR,CXT)
projects / msp430-gcc.git / blobdiff