/* Definitions of target machine for GNU compiler, for DEC Alpha.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2004, 2005, 2007, 2008, 2009
+ 2000, 2001, 2002, 2004, 2005, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
while (0)
#endif
+#define SWITCH_TAKES_ARG(CHAR) \
+ (DEFAULT_SWITCH_TAKES_ARG (CHAR) || (CHAR) == 'G')
+
#define WORD_SWITCH_TAKES_ARG(STR) \
(!strcmp (STR, "rpath") || DEFAULT_WORD_SWITCH_TAKES_ARG(STR))
ALPHA_FPTM_SUI /* Software completion, w/underflow & inexact traps */
};
-extern int target_flags;
-
extern enum alpha_trap_precision alpha_tp;
extern enum alpha_fp_rounding_mode alpha_fprm;
extern enum alpha_fp_trap_mode alpha_fptm;
{"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }, \
{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }
-/* 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.
-
- On the Alpha, it is used to translate target-option strings into
- numeric values. */
-
-#define OVERRIDE_OPTIONS override_options ()
-
/* Define this macro to change register usage conditional on target flags.
for (i = 32; i < 63; i++) \
fixed_regs[i] = call_used_regs[i] = 1; \
}
-
-
-/* Show we can debug even without a frame pointer. */
-#define CAN_DEBUG_WITHOUT_FP
\f
/* target machine storage layout */
in a register. */
/* #define REG_PARM_STACK_SPACE */
-/* 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 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;
: (((MODE) == BLKmode ? int_size_in_bytes (TYPE) : GET_MODE_SIZE (MODE)) \
+ (UNITS_PER_WORD - 1)) / UNITS_PER_WORD)
-/* 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) += \
- (targetm.calls.must_pass_in_stack (MODE, TYPE)) \
- ? 6 : ALPHA_ARG_SIZE (MODE, TYPE, NAMED))
-
-/* 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 Alpha the first 6 words of args are normally in registers
- and the rest are pushed. */
-
-#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
- function_arg((CUM), (MODE), (TYPE), (NAMED))
-
/* Make (or fake) .linkage entry for function call.
IS_LOCAL is 0 if name is used in call, 1 if name is used in definition. */
#define NONSTRICT_REG_OK_FP_BASE_P(X) \
(REGNO (X) == 31 || REGNO (X) == 63 \
|| (REGNO (X) >= FIRST_PSEUDO_REGISTER \
- && REGNO (X) < LAST_VIRTUAL_REGISTER))
+ && REGNO (X) < LAST_VIRTUAL_POINTER_REGISTER))
/* Nonzero if X is a hard reg that can be used as a base reg. */
#define STRICT_REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
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