/* Definitions of target machine for GNU compiler, Renesas M32R cpu.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GCC.
#define MULTILIB_DEFAULTS { "mmodel=small" SUBTARGET_MULTILIB_DEFAULTS }
#endif
-/* Sometimes certain combinations of command options do not make
- sense on a particular target machine. You can define a macro
- `OVERRIDE_OPTIONS' to take account of this. This macro, if
- defined, is executed once just after all the command options have
- been parsed.
-
- Don't use this macro to turn on various extra optimizations for
- `-O'. That is what `OPTIMIZATION_OPTIONS' is for. */
-
#ifndef SUBTARGET_OVERRIDE_OPTIONS
#define SUBTARGET_OVERRIDE_OPTIONS
#endif
-
-#define OVERRIDE_OPTIONS \
- do \
- { \
- /* These need to be done at start up. \
- It's convenient to do them here. */ \
- m32r_init (); \
- SUBTARGET_OVERRIDE_OPTIONS \
- } \
- while (0)
-
-#ifndef SUBTARGET_OPTIMIZATION_OPTIONS
-#define SUBTARGET_OPTIMIZATION_OPTIONS
-#endif
-
-#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
- do \
- { \
- if (LEVEL == 1) \
- flag_regmove = TRUE; \
- \
- if (SIZE) \
- { \
- flag_omit_frame_pointer = TRUE; \
- } \
- \
- SUBTARGET_OPTIMIZATION_OPTIONS \
- } \
- while (0)
-
-/* Define this macro if debugging can be performed even without a
- frame pointer. If this macro is defined, GCC will turn on the
- `-fomit-frame-pointer' option whenever `-O' is specified. */
-#define CAN_DEBUG_WITHOUT_FP
\f
/* Target machine storage layout. */
numbered. */
#define WORDS_BIG_ENDIAN (TARGET_LITTLE_ENDIAN == 0)
-/* Define this macro if WORDS_BIG_ENDIAN is not constant. This must
- be a constant value with the same meaning as WORDS_BIG_ENDIAN,
- which will be used only when compiling libgcc2.c. Typically the
- value will be set based on preprocessor defines. */
-/*#define LIBGCC2_WORDS_BIG_ENDIAN 1*/
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
#define REGNO_OK_FOR_INDEX_P(REGNO) REGNO_OK_FOR_BASE_P(REGNO)
-/* 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) \
\f
/* Eliminating the frame and arg pointers. */
-/* A C expression which is nonzero if a function must have and use a
- frame pointer. This expression is evaluated in the reload pass.
- If its value is nonzero the function will have a frame pointer. */
-#define FRAME_POINTER_REQUIRED cfun->calls_alloca
-
#if 0
/* C statement to store the difference between the frame pointer
and the stack pointer values immediately after the function prologue.
{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
{ ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM }}
-/* A C expression that returns nonzero if the compiler is allowed to
- try to replace register number FROM-REG with register number
- TO-REG. This macro need only be defined if `ELIMINABLE_REGS' is
- defined, and will usually be the constant 1, since most of the
- cases preventing register elimination are things that the compiler
- already knows about. */
-
-#define CAN_ELIMINATE(FROM, TO) \
- ((FROM) == ARG_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM \
- ? ! frame_pointer_needed \
- : 1)
-
/* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'. It
specifies the initial difference between the specified pair of
registers. This macro must be defined if `ELIMINABLE_REGS' is
increase the stack frame size by this amount. */
#define ACCUMULATE_OUTGOING_ARGS 1
-/* Value is the number of bytes of arguments automatically
- popped when returning from a subroutine 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.
- SIZE is the number of bytes of arguments passed on the stack. */
-#define RETURN_POPS_ARGS(DECL, FUNTYPE, SIZE) 0
-
/* 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
#define FUNCTION_ARG_REGNO_P(N) \
((unsigned) (N) < M32R_MAX_PARM_REGS)
-/* The ROUND_ADVANCE* macros are local to this file. */
-/* Round SIZE up to a word boundary. */
-#define ROUND_ADVANCE(SIZE) \
- (((SIZE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
-
-/* Round arg MODE/TYPE up to the next word boundary. */
-#define ROUND_ADVANCE_ARG(MODE, TYPE) \
- ((MODE) == BLKmode \
- ? ROUND_ADVANCE ((unsigned int) int_size_in_bytes (TYPE)) \
- : ROUND_ADVANCE ((unsigned int) GET_MODE_SIZE (MODE)))
-
-/* Round CUM up to the necessary point for argument MODE/TYPE. */
-#define ROUND_ADVANCE_CUM(CUM, MODE, TYPE) (CUM)
-
-/* Return boolean indicating arg of type TYPE and mode MODE will be passed in
- a reg. This includes arguments that have to be passed by reference as the
- pointer to them is passed in a reg if one is available (and that is what
- we're given).
- This macro is only used in this file. */
-#define PASS_IN_REG_P(CUM, MODE, TYPE) \
- (ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE)) < M32R_MAX_PARM_REGS)
-
-/* Determine where to put an argument 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 M32R the first M32R_MAX_PARM_REGS args are normally in registers
- and the rest are pushed. */
-#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
- (PASS_IN_REG_P ((CUM), (MODE), (TYPE)) \
- ? gen_rtx_REG ((MODE), ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE))) \
- : 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) = (ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE)) \
- + ROUND_ADVANCE_ARG ((MODE), (TYPE))))
-
/* If defined, a C expression that gives the alignment boundary, in bits,
of an argument with the specified mode and type. If it is not defined,
PARM_BOUNDARY is used for all arguments. */
\f
/* Function results. */
-/* 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. */
-#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. */
-#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, 0)
-
-/* 1 if N is a possible register number for a function value
- as seen by the caller. */
-/* ??? What about r1 in DI/DF values. */
-#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0)
-
/* Tell GCC to use TARGET_RETURN_IN_MEMORY. */
#define DEFAULT_PCC_STRUCT_RETURN 0
\f
/* Length in bytes of the trampoline for entering a nested function. */
#define TRAMPOLINE_SIZE 24
-/* 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) \
- do \
- { \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 0)), \
- gen_int_mode (TARGET_LITTLE_ENDIAN ? \
- 0x017e8e17 : 0x178e7e01, SImode)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 4)), \
- gen_int_mode (TARGET_LITTLE_ENDIAN ? \
- 0x0c00ae86 : 0x86ae000c, SImode)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 8)), \
- gen_int_mode (TARGET_LITTLE_ENDIAN ? \
- 0xe627871e : 0x1e8727e6, SImode)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 12)), \
- gen_int_mode (TARGET_LITTLE_ENDIAN ? \
- 0xc616c626 : 0x26c61fc6, SImode)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 16)), \
- (CXT)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 20)), \
- (FNADDR)); \
- if (m32r_cache_flush_trap >= 0) \
- emit_insn (gen_flush_icache (validize_mem (gen_rtx_MEM (SImode, TRAMP)),\
- gen_int_mode (m32r_cache_flush_trap, SImode))); \
- else if (m32r_cache_flush_func && m32r_cache_flush_func[0]) \
- emit_library_call (m32r_function_symbol (m32r_cache_flush_func), \
- 0, VOIDmode, 3, TRAMP, Pmode, \
- gen_int_mode (TRAMPOLINE_SIZE, SImode), SImode, \
- GEN_INT (3), SImode); \
- } \
- while (0)
\f
#define RETURN_ADDR_RTX(COUNT, FRAME) m32r_return_addr (COUNT)
#define CONSTANT_ADDRESS_P(X) \
( GET_CODE (X) == LABEL_REF \
|| GET_CODE (X) == SYMBOL_REF \
- || GET_CODE (X) == CONST_INT \
+ || CONST_INT_P (X) \
|| (GET_CODE (X) == CONST \
&& ! (flag_pic && ! m32r_legitimate_pic_operand_p (X))))
(! (GET_CODE (X) == CONST \
&& GET_CODE (XEXP (X, 0)) == PLUS \
&& (GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF || GET_CODE (XEXP (XEXP (X, 0), 0)) == LABEL_REF) \
- && GET_CODE (XEXP (XEXP (X, 0), 1)) == CONST_INT \
+ && CONST_INT_P (XEXP (XEXP (X, 0), 1)) \
&& (unsigned HOST_WIDE_INT) INTVAL (XEXP (XEXP (X, 0), 1)) > 32767))
/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
/* Local to this file. */
#define RTX_OK_FOR_OFFSET_P(X) \
- (GET_CODE (X) == CONST_INT && INT16_P (INTVAL (X)))
+ (CONST_INT_P (X) && INT16_P (INTVAL (X)))
/* Local to this file. */
#define LEGITIMATE_OFFSET_ADDRESS_P(MODE, X) \
#define LOAD_POSTINC_P(MODE, X) \
(((MODE) == SImode || (MODE) == SFmode) \
&& GET_CODE (X) == POST_INC \
- && GET_CODE (XEXP (X, 0)) == REG \
+ && REG_P (XEXP (X, 0)) \
&& RTX_OK_FOR_BASE_P (XEXP (X, 0)))
/* Local to this file. */
#define STORE_PREINC_PREDEC_P(MODE, X) \
(((MODE) == SImode || (MODE) == SFmode) \
&& (GET_CODE (X) == PRE_INC || GET_CODE (X) == PRE_DEC) \
- && GET_CODE (XEXP (X, 0)) == REG \
+ && REG_P (XEXP (X, 0)) \
&& RTX_OK_FOR_BASE_P (XEXP (X, 0)))
#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \
goto ADDR; \
} \
while (0)
-
-/* 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) \
- do \
- { \
- if (GET_CODE (ADDR) == LO_SUM) \
- goto LABEL; \
- } \
- while (0)
\f
/* Condition code usage. */
\f
/* Costs. */
-/* Compute extra cost of moving data between one register class
- and another. */
-#define REGISTER_MOVE_COST(MODE, CLASS1, CLASS2) 2
-
-/* Compute the cost of moving data between registers and memory. */
-/* Memory is 3 times as expensive as registers.
- ??? Is that the right way to look at it? */
-#define MEMORY_MOVE_COST(MODE,CLASS,IN_P) \
-(GET_MODE_SIZE (MODE) <= UNITS_PER_WORD ? 6 : 12)
-
/* The cost of a branch insn. */
/* A value of 2 here causes GCC to avoid using branches in comparisons like
while (a < N && a). Branches aren't that expensive on the M32R so
SUBTARGET_ADDITIONAL_REGISTER_NAMES \
}
-/* A C expression which evaluates to true if CODE is a valid
- punctuation character for use in the `PRINT_OPERAND' macro. */
-extern char m32r_punct_chars[256];
-#define PRINT_OPERAND_PUNCT_VALID_P(CHAR) \
- m32r_punct_chars[(unsigned char) (CHAR)]
-
-/* 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(FILE, X, CODE) \
- m32r_print_operand (FILE, X, CODE)
-
-/* A C compound statement to output to stdio stream STREAM the
- assembler syntax for an instruction operand that is a memory
- reference whose address is ADDR. ADDR is an RTL expression. */
-#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
- m32r_print_operand_address (FILE, ADDR)
-
/* If defined, C string expressions to be used for the `%R', `%L',
`%U', and `%I' options of `asm_fprintf' (see `final.c'). These
are useful when a single `md' file must support multiple assembler
do \
{ \
if (! TARGET_SDATA_NONE \
- && (SIZE) > 0 && (SIZE) <= g_switch_value) \
+ && (SIZE) > 0 \
+ && (SIZE) <= (unsigned HOST_WIDE_INT) g_switch_value) \
fprintf ((FILE), "%s", SCOMMON_ASM_OP); \
else \
fprintf ((FILE), "%s", COMMON_ASM_OP); \
do \
{ \
if (! TARGET_SDATA_NONE \
- && (SIZE) > 0 && (SIZE) <= g_switch_value) \
+ && (SIZE) > 0 \
+ && (SIZE) <= (unsigned HOST_WIDE_INT) g_switch_value) \
switch_to_section (get_named_section (NULL, ".sbss", 0)); \
else \
switch_to_section (bss_section); \
/* A function address in a call instruction. */
#define FUNCTION_MODE SImode
\f
-/* Define the information needed to generate branch and scc insns. This is
- stored from the compare operation. Note that we can't use "rtx" here
- since it hasn't been defined! */
-extern struct rtx_def * m32r_compare_op0;
-extern struct rtx_def * m32r_compare_op1;
-
/* M32R function types. */
enum m32r_function_type
{
OSDN Git Service
