/* score.h for Sunplus S+CORE processor
- Copyright (C) 2005, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Contributed by Sunnorth.
This file is part of GCC.
#define TARGET_VERSION \
fprintf (stderr, "Sunplus S+core rev=%s", SCORE_GCC_VERSION);
-#define OVERRIDE_OPTIONS score_override_options ()
-
-/* Show we can debug even without a frame pointer. */
-#define CAN_DEBUG_WITHOUT_FP
-
/* Target machine storage layout. */
#define BITS_BIG_ENDIAN 0
#define BYTES_BIG_ENDIAN (TARGET_LITTLE_ENDIAN == 0)
#define WORDS_BIG_ENDIAN (TARGET_LITTLE_ENDIAN == 0)
-/* Define this to set the endianness to use in libgcc2.c, which can
- not depend on target_flags. */
-#if defined(__scorele__)
-#define LIBGCC2_WORDS_BIG_ENDIAN 0
-#else
-#define LIBGCC2_WORDS_BIG_ENDIAN 1
-#endif
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
/* Default definitions for size_t and ptrdiff_t. */
#define SIZE_TYPE "unsigned int"
+#define UINTPTR_TYPE "long unsigned int"
+
/* Register Usage
S+core have:
Regarding coprocessor registers: without evidence to the contrary,
it's best to assume that each coprocessor register has a unique
- use. This can be overridden, in, e.g., override_options() or
+ use. This can be overridden, in, e.g., TARGET_OPTION_OVERRIDE or
CONDITIONAL_REGISTER_USAGE should the assumption be inappropriate
for a particular target. */
also contains the register. */
#define REGNO_REG_CLASS(REGNO) score_reg_class (REGNO)
+/* The following macro defines cover classes for Integrated Register
+ Allocator. Cover classes is a set of non-intersected register
+ classes covering all hard registers used for register allocation
+ purpose. Any move between two registers of a cover class should be
+ cheaper than load or store of the registers. The macro value is
+ array of register classes with LIM_REG_CLASSES used as the end
+ marker. */
+#define IRA_COVER_CLASSES \
+{ \
+ G32_REGS, CE_REGS, SP_REGS, LIM_REG_CLASSES \
+}
+
/* A macro whose definition is the name of the class to which a
valid base register must belong. A base register is one used in
an address which is the register value plus a displacement. */
#define STATIC_CHAIN_REGNUM 23
/* Elimination Frame Pointer and Arg Pointer */
-/* 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 cfun->calls_alloca
#define ELIMINABLE_REGS \
{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
{ FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
{ FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}}
-/* We can always eliminate to the hard frame pointer. We can eliminate
- to the stack pointer unless a frame pointer is needed. */
-#define CAN_ELIMINATE(FROM, TO) \
- (((TO) == HARD_FRAME_POINTER_REGNUM) \
- || ((TO) == STACK_POINTER_REGNUM \
- && !frame_pointer_needed))
-
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
(OFFSET) = score_initial_elimination_offset ((FROM), (TO))
`crtl->outgoing_args_size'. */
#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1
-#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0
-
/* Passing Arguments in Registers */
/* Determine where to put an argument to a function.
Value is zero to push the argument on the stack,
} \
} while (0)
-#define TRAMPOLINE_TEMPLATE(STREAM) \
- do { \
- if (TARGET_SCORE7) \
- { \
- fprintf (STREAM, "\t.set r1\n"); \
- fprintf (STREAM, "\tmv r31, r3\n"); \
- fprintf (STREAM, "\tbl nextinsn\n"); \
- fprintf (STREAM, "nextinsn:\n"); \
- fprintf (STREAM, "\tlw r1, [r3, 6*4-8]\n"); \
- fprintf (STREAM, "\tlw r23, [r3, 6*4-4]\n"); \
- fprintf (STREAM, "\tmv r3, r31\n"); \
- fprintf (STREAM, "\tbr! r1\n"); \
- fprintf (STREAM, "\tnop!\n"); \
- fprintf (STREAM, "\t.set nor1\n"); \
- } \
- else if (TARGET_SCORE3) \
- { \
- fprintf (STREAM, "\t.set r1\n"); \
- fprintf (STREAM, "\tmv! r31, r3\n"); \
- fprintf (STREAM, "\tnop!\n"); \
- fprintf (STREAM, "\tbl nextinsn\n"); \
- fprintf (STREAM, "nextinsn:\n"); \
- fprintf (STREAM, "\tlw! r1, [r3, 6*4-8]\n"); \
- fprintf (STREAM, "\tnop!\n"); \
- fprintf (STREAM, "\tlw r23, [r3, 6*4-4]\n"); \
- fprintf (STREAM, "\tmv! r3, r31\n"); \
- fprintf (STREAM, "\tnop!\n"); \
- fprintf (STREAM, "\tbr! r1\n"); \
- fprintf (STREAM, "\tnop!\n"); \
- fprintf (STREAM, "\t.set nor1\n"); \
- } \
- } while (0)
-
/* Trampolines for Nested Functions. */
#define TRAMPOLINE_INSNS 6
/* A C expression for the size in bytes of the trampoline, as an integer. */
#define TRAMPOLINE_SIZE (24 + GET_MODE_SIZE (ptr_mode) * 2)
-/* A C statement to initialize the variable parts of a trampoline.
- ADDR is an RTX for the address of the trampoline; FNADDR is an
- RTX for the address of the nested function; STATIC_CHAIN is an
- RTX for the static chain value that should be passed to the
- function when it is called. */
-
-#define INITIALIZE_TRAMPOLINE(ADDR, FUNC, CHAIN) \
- score_initialize_trampoline (ADDR, FUNC, CHAIN)
-
#define HAVE_PRE_INCREMENT 1
#define HAVE_PRE_DECREMENT 1
#define HAVE_POST_INCREMENT 1
#define HAVE_PRE_MODIFY_REG 0
#define HAVE_POST_MODIFY_REG 0
-/* Recognize any constant value that is a valid address. */
-#define CONSTANT_ADDRESS_P(X) CONSTANT_P (X)
-
/* Maximum number of registers that can appear in a valid memory address. */
#define MAX_REGS_PER_ADDRESS 1
-#ifdef REG_OK_STRICT
-#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
- if (score_address_p (MODE, X, 1)) \
- goto LABEL;
-#else
-#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
- if (score_address_p (MODE, X, 0)) \
- goto LABEL;
-#endif
-
/* 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.
#define REG_OK_FOR_INDEX_P(X) 0
-#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) \
- do { \
- if (score_legitimize_address (&(X))) \
- goto WIN; \
- } 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) {}
-
#define LEGITIMATE_CONSTANT_P(X) 1
/* Condition Code Status. */
(4 + memory_move_secondary_cost ((MODE), (CLASS), (TO_P)))
/* Try to generate sequences that don't involve branches. */
-#define BRANCH_COST 2
+#define BRANCH_COST(speed_p, predictable_p) 2
/* Nonzero if access to memory by bytes is slow and undesirable. */
#define SLOW_BYTE_ACCESS 1
for 32-bit targets. */
#define FUNCTION_MODE Pmode
-struct extern_list GTY ((chain_next ("%h.next")))
+struct GTY ((chain_next ("%h.next"))) extern_list
{
struct extern_list *next; /* next external */
const char *name; /* name of the external */
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