/* Definitions of target machine GNU compiler. IA-64 version.
Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
- 2009 Free Software Foundation, Inc.
+ 2009, 2010 Free Software Foundation, Inc.
Contributed by James E. Wilson <wilson@cygnus.com> and
David Mosberger <davidm@hpl.hp.com>.
#define ASM_EXTRA_SPEC ""
+#define SWITCH_TAKES_ARG(CHAR) \
+ (DEFAULT_SWITCH_TAKES_ARG (CHAR) || (CHAR) == 'G')
+
/* Variables which are this size or smaller are put in the sdata/sbss
sections. */
extern unsigned int ia64_section_threshold;
};
extern enum processor_type ia64_tune;
-
-/* 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. */
-
-#define OVERRIDE_OPTIONS ia64_override_options ()
-
-/* Some machines may desire to change what optimizations are performed for
- various optimization levels. This macro, if defined, is executed once just
- after the optimization level is determined and before the remainder of the
- command options have been parsed. Values set in this macro are used as the
- default values for the other command line options. */
-
-/* #define OPTIMIZATION_OPTIONS(LEVEL,SIZE) */
\f
/* Driver configuration */
#define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN != 0)
-#if defined(__BIG_ENDIAN__)
-#define LIBGCC2_WORDS_BIG_ENDIAN 1
-#else
-#define LIBGCC2_WORDS_BIG_ENDIAN 0
-#endif
-
#define UNITS_PER_WORD 8
#define POINTER_SIZE (TARGET_ILP32 ? 32 : 64)
#define HARD_REGNO_NREGS(REGNO, MODE) \
((REGNO) == PR_REG (0) && (MODE) == DImode ? 64 \
: PR_REGNO_P (REGNO) && (MODE) == BImode ? 2 \
- : PR_REGNO_P (REGNO) && (MODE) == CCImode ? 1 \
+ : (PR_REGNO_P (REGNO) || GR_REGNO_P (REGNO)) && (MODE) == CCImode ? 1\
: FR_REGNO_P (REGNO) && (MODE) == XFmode ? 1 \
: FR_REGNO_P (REGNO) && (MODE) == RFmode ? 1 \
: FR_REGNO_P (REGNO) && (MODE) == XCmode ? 2 \
: PR_REGNO_P (REGNO) ? \
(MODE) == BImode || GET_MODE_CLASS (MODE) == MODE_CC \
: GR_REGNO_P (REGNO) ? \
- (MODE) != CCImode && (MODE) != XFmode && (MODE) != XCmode && (MODE) != RFmode \
+ (MODE) != XFmode && (MODE) != XCmode && (MODE) != RFmode \
: AR_REGNO_P (REGNO) ? (MODE) == DImode \
: BR_REGNO_P (REGNO) ? (MODE) == DImode \
: 0)
This is needed for POST_MODIFY. */
#define REGNO_OK_FOR_INDEX_P(NUM) REGNO_OK_FOR_BASE_P (NUM)
-/* A C expression that places additional restrictions on the register class to
- use when it is necessary to copy value X into a register in class CLASS.
- The value is a register class; perhaps CLASS, or perhaps another, smaller
- class. */
-
-#define PREFERRED_RELOAD_CLASS(X, CLASS) \
- ia64_preferred_reload_class (X, CLASS)
-
/* You should define this macro to indicate to the reload phase that it may
need to allocate at least one register for a reload in addition to the
register to contain the data. Specifically, if copying X to a register
\f
/* Eliminating the Frame Pointer and the Arg Pointer */
-/* Show we can debug even without a frame pointer. */
-#define CAN_DEBUG_WITHOUT_FP
-
/* If defined, this macro specifies a table of register pairs used to eliminate
unneeded registers that point into the stack frame. */
#define ACCUMULATE_OUTGOING_ARGS 1
-/* A C expression that should indicate the number of bytes of its own arguments
- that a function pops on returning, or 0 if the function pops no arguments
- and the caller must therefore pop them all after the function returns. */
-
-#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0
-
\f
/* Function Arguments in Registers */
\f
/* Describing Relative Costs of Operations */
-/* A C expression for the cost of moving data from a register in class FROM to
- one in class TO, using MODE. */
-
-#define REGISTER_MOVE_COST ia64_register_move_cost
-
-/* A C expression for the cost of moving data of mode M between a
- register and memory. */
-#define MEMORY_MOVE_COST(MODE,CLASS,IN) \
- ((CLASS) == GENERAL_REGS || (CLASS) == FR_REGS || (CLASS) == FP_REGS \
- || (CLASS) == GR_AND_FR_REGS ? 4 : 10)
-
/* A C expression for the cost of a branch instruction. A value of 1 is the
default; other values are interpreted relative to that. Used by the
if-conversion code as max instruction count. */
/* Define this macro if the register defined by `PIC_OFFSET_TABLE_REGNUM' is
clobbered by calls. */
-#define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED
+#define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED 1
\f
/* The Overall Framework of an Assembler File. */
#define DWARF2_DEBUGGING_INFO 1
-/* We do not want call-frame info to be output, since debuggers are
- supposed to use the target unwind info. Leave this undefined it
- TARGET_UNWIND_INFO might ever be false. */
-
-#define DWARF2_FRAME_INFO 0
-
#define DWARF2_ASM_LINE_DEBUG_INFO (TARGET_DWARF2_ASM)
/* Use tags for debug info labels, so that they don't break instruction
extern int ia64_final_schedule;
-#define TARGET_UNWIND_INFO 1
-
#define TARGET_UNWIND_TABLES_DEFAULT true
#define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 15 : INVALID_REGNUM)
/* Switch on code for querying unit reservations. */
#define CPU_UNITS_QUERY 1
-/* Define this to change the optimizations performed by default. */
-#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
- ia64_optimization_options ((LEVEL), (SIZE))
-
/* End of ia64.h */
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