/* Definitions of target machine for GNU compiler. NEC V850 series
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2007 Free Software Foundation, Inc.
+ 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Jeff Law (law@cygnus.com).
This file is part of GCC.
#define N_REG_CLASSES (int) LIM_REG_CLASSES
+#define IRA_COVER_CLASSES \
+{ \
+ GENERAL_REGS, LIM_REG_CLASSES \
+}
+
/* Give names of register classes as strings for dump file. */
#define REG_CLASS_NAMES \
/* Register in which static-chain is passed to a function. */
#define STATIC_CHAIN_REGNUM 20
-/* 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
-
/* If defined, this macro specifies a table of register pairs used to
eliminate unneeded registers that point into the stack frame. If
it is not defined, the only elimination attempted by the compiler
{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
{ ARG_POINTER_REGNUM, HARD_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) \
- ((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
/* Keep the stack pointer constant throughout the function. */
#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(FUNDECL,FUNTYPE,SIZE) 0
-
#define RETURN_ADDR_RTX(COUNT, FP) v850_return_addr (COUNT)
\f
/* Define a data type for recording info about an argument list
/* Define this if the above stack space is to be considered part of the
space allocated by the caller. */
-#define OUTGOING_REG_PARM_STACK_SPACE 1
+#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1
/* 1 if N is a possible register number for function argument passing. */
#define FUNCTION_ARG_REGNO_P(N) (N >= 6 && N <= 9)
-/* 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), 10)
-
/* Define how to find the value returned by a library function
assuming the value has mode MODE. */
#define FUNCTION_PROFILER(FILE, LABELNO) ;
-#define TRAMPOLINE_TEMPLATE(FILE) \
- do { \
- fprintf (FILE, "\tjarl .+4,r12\n"); \
- fprintf (FILE, "\tld.w 12[r12],r20\n"); \
- fprintf (FILE, "\tld.w 16[r12],r12\n"); \
- fprintf (FILE, "\tjmp [r12]\n"); \
- fprintf (FILE, "\tnop\n"); \
- fprintf (FILE, "\t.long 0\n"); \
- fprintf (FILE, "\t.long 0\n"); \
- } while (0)
-
/* Length in units 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) \
-{ \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 16)), \
- (CXT)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 20)), \
- (FNADDR)); \
-}
-
/* Addressing modes, and classification of registers for them. */
\f
} while (0)
\f
-/* 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) {}
-
/* Nonzero if the constant value X is a legitimate general operand.
It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE. */
/* According expr.c, a value of around 6 should minimize code size, and
for the V850 series, that's our primary concern. */
-#define MOVE_RATIO 6
+#define MOVE_RATIO(speed) 6
/* Indirect calls are expensive, never turn a direct call
into an indirect call. */
{ "r30", 30 }, \
{ "lp", 31} }
-/* Print an instruction operand X on file FILE.
- look in v850.c for details */
-
-#define PRINT_OPERAND(FILE, X, CODE) print_operand (FILE, X, CODE)
-
-#define PRINT_OPERAND_PUNCT_VALID_P(CODE) \
- ((CODE) == '.')
-
-/* 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)
-
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO)
#define ASM_OUTPUT_REG_POP(FILE,REGNO)
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