-/* Definitions of various defaults for how to do assembler output
- (most of which are designed to be appropriate for GAS or for
- some BSD assembler).
- Copyright (C) 1992, 1996-1999 Free Software Foundation, Inc.
+/* Definitions of various defaults for tm.h macros.
+ Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
-/* Store in OUTPUT a string (made with alloca) containing
- an assembler-name for a local static variable or function named NAME.
+#ifndef GCC_DEFAULTS_H
+#define GCC_DEFAULTS_H
+
+#ifndef GET_ENVIRONMENT
+#define GET_ENVIRONMENT(VALUE, NAME) do { (VALUE) = getenv (NAME); } while (0)
+#endif
+
+#define obstack_chunk_alloc ((void *(*) (long)) xmalloc)
+#define obstack_chunk_free ((void (*) (void *)) free)
+#define OBSTACK_CHUNK_SIZE 0
+#define gcc_obstack_init(OBSTACK) \
+ _obstack_begin ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \
+ obstack_chunk_alloc, \
+ obstack_chunk_free)
+
+/* Define default standard character escape sequences. */
+#ifndef TARGET_BELL
+# define TARGET_BELL 007
+# define TARGET_BS 010
+# define TARGET_TAB 011
+# define TARGET_NEWLINE 012
+# define TARGET_VT 013
+# define TARGET_FF 014
+# define TARGET_CR 015
+# define TARGET_ESC 033
+#endif
+
+/* Store in OUTPUT a string (made with alloca) containing an
+ assembler-name for a local static variable or function named NAME.
LABELNO is an integer which is different for each call. */
+#ifndef ASM_PN_FORMAT
+# ifndef NO_DOT_IN_LABEL
+# define ASM_PN_FORMAT "%s.%lu"
+# else
+# ifndef NO_DOLLAR_IN_LABEL
+# define ASM_PN_FORMAT "%s$%lu"
+# else
+# define ASM_PN_FORMAT "__%s_%lu"
+# endif
+# endif
+#endif /* ! ASM_PN_FORMAT */
+
#ifndef ASM_FORMAT_PRIVATE_NAME
-#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
- do { \
- int len = strlen (NAME); \
- char *temp = (char *) alloca (len + 3); \
- temp[0] = 'L'; \
- strcpy (&temp[1], (NAME)); \
- temp[len + 1] = '.'; \
- temp[len + 2] = 0; \
- (OUTPUT) = (char *) alloca (strlen (NAME) + 11); \
- ASM_GENERATE_INTERNAL_LABEL (OUTPUT, temp, LABELNO); \
+# define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
+ do { const char *const name_ = (NAME); \
+ char *const output_ = (OUTPUT) = (char *) alloca (strlen (name_) + 32);\
+ sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \
} while (0)
#endif
#ifndef ASM_STABD_OP
-#define ASM_STABD_OP ".stabd"
+#define ASM_STABD_OP "\t.stabd\t"
#endif
/* This is how to output an element of a case-vector that is absolute.
#ifndef ASM_OUTPUT_ADDR_VEC_ELT
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
-do { fprintf (FILE, "\t%s\t", ASM_LONG); \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (VALUE)); \
+do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
+ (*targetm.asm_out.internal_label) (FILE, "L", (VALUE)); \
fputc ('\n', FILE); \
} while (0)
#endif
-/* Provide default for ASM_OUTPUT_ALTERNATE_LABEL_NAME. */
-#ifndef ASM_OUTPUT_ALTERNATE_LABEL_NAME
-#define ASM_OUTPUT_ALTERNATE_LABEL_NAME(FILE,INSN) \
-do { ASM_OUTPUT_LABEL(FILE,LABEL_ALTERNATE_NAME (INSN)); } while (0)
-#endif
-
/* choose a reasonable default for ASM_OUTPUT_ASCII. */
#ifndef ASM_OUTPUT_ASCII
\
for (i = 0; i < thissize; i++) \
{ \
- register int c = p[i]; \
+ int c = p[i]; \
if (c == '\"' || c == '\\') \
putc ('\\', asm_out_file); \
- if (c >= ' ' && c < 0177) \
+ if (ISPRINT(c)) \
putc (c, asm_out_file); \
else \
{ \
fprintf (asm_out_file, "\\%o", c); \
/* After an octal-escape, if a digit follows, \
terminate one string constant and start another. \
- The Vax assembler fails to stop reading the escape \
+ The VAX assembler fails to stop reading the escape \
after three digits, so this is the only way we \
can get it to parse the data properly. */ \
if (i < thissize - 1 && ISDIGIT(p[i + 1])) \
while (0)
#endif
-#ifndef ASM_IDENTIFY_GCC
- /* Default the definition, only if ASM_IDENTIFY_GCC is not set,
- because if it is set, we might not want ASM_IDENTIFY_LANGUAGE
- outputting labels, if we do want it to, then it must be defined
- in the tm.h file. */
-#ifndef ASM_IDENTIFY_LANGUAGE
-#define ASM_IDENTIFY_LANGUAGE(FILE) output_lang_identify (FILE);
-#endif
-#endif
-
/* This is how we tell the assembler to equate two values. */
#ifdef SET_ASM_OP
#ifndef ASM_OUTPUT_DEF
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
- do { fprintf ((FILE), "\t%s\t", SET_ASM_OP); \
+ do { fprintf ((FILE), "%s", SET_ASM_OP); \
assemble_name (FILE, LABEL1); \
fprintf (FILE, ","); \
assemble_name (FILE, LABEL2); \
#endif
#endif
+/* This is how to output the definition of a user-level label named
+ NAME, such as the label on a static function or variable NAME. */
+
+#ifndef ASM_OUTPUT_LABEL
+#define ASM_OUTPUT_LABEL(FILE,NAME) \
+ do { assemble_name ((FILE), (NAME)); fputs (":\n", (FILE)); } while (0)
+#endif
+
/* This is how to output a reference to a user-level label named NAME. */
#ifndef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(FILE,NAME) asm_fprintf ((FILE), "%U%s", (NAME))
#endif
+/* Allow target to print debug info labels specially. This is useful for
+ VLIW targets, since debug info labels should go into the middle of
+ instruction bundles instead of breaking them. */
+
+#ifndef ASM_OUTPUT_DEBUG_LABEL
+#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
+ (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM)
+#endif
+
+/* This is how we tell the assembler that a symbol is weak. */
+#ifndef ASM_OUTPUT_WEAK_ALIAS
+#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
+#define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE) \
+ do \
+ { \
+ ASM_WEAKEN_LABEL (STREAM, NAME); \
+ if (VALUE) \
+ ASM_OUTPUT_DEF (STREAM, NAME, VALUE); \
+ } \
+ while (0)
+#endif
+#endif
+
+/* How to emit a .type directive. */
+#ifndef ASM_OUTPUT_TYPE_DIRECTIVE
+#if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT
+#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \
+ do \
+ { \
+ fputs (TYPE_ASM_OP, STREAM); \
+ assemble_name (STREAM, NAME); \
+ fputs (", ", STREAM); \
+ fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \
+ putc ('\n', STREAM); \
+ } \
+ while (0)
+#endif
+#endif
+
+/* How to emit a .size directive. */
+#ifndef ASM_OUTPUT_SIZE_DIRECTIVE
+#ifdef SIZE_ASM_OP
+#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \
+ do \
+ { \
+ HOST_WIDE_INT size_ = (SIZE); \
+ fputs (SIZE_ASM_OP, STREAM); \
+ assemble_name (STREAM, NAME); \
+ fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
+ } \
+ while (0)
+
+#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \
+ do \
+ { \
+ fputs (SIZE_ASM_OP, STREAM); \
+ assemble_name (STREAM, NAME); \
+ fputs (", .-", STREAM); \
+ assemble_name (STREAM, NAME); \
+ putc ('\n', STREAM); \
+ } \
+ while (0)
+
+#endif
+#endif
+
/* This determines whether or not we support weak symbols. */
#ifndef SUPPORTS_WEAK
-#ifdef ASM_WEAKEN_LABEL
+#if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL)
#define SUPPORTS_WEAK 1
#else
#define SUPPORTS_WEAK 0
#endif
#endif
+/* This determines whether or not we support link-once semantics. */
+#ifndef SUPPORTS_ONE_ONLY
+#ifdef MAKE_DECL_ONE_ONLY
+#define SUPPORTS_ONE_ONLY 1
+#else
+#define SUPPORTS_ONE_ONLY 0
+#endif
+#endif
+
+/* By default, there is no prefix on user-defined symbols. */
+#ifndef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX ""
+#endif
+
/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to
provide a weak attribute. Else define it to nothing.
- This would normally belong in gansidecl.h, but SUPPORTS_WEAK is
+ This would normally belong in ansidecl.h, but SUPPORTS_WEAK is
not available at that time.
Note, this is only for use by target files which we know are to be
# endif
#endif
+/* If the target supports init_priority C++ attribute, give
+ SUPPORTS_INIT_PRIORITY a nonzero value. */
+#ifndef SUPPORTS_INIT_PRIORITY
+#define SUPPORTS_INIT_PRIORITY 1
+#endif /* SUPPORTS_INIT_PRIORITY */
+
+/* If duplicate library search directories can be removed from a
+ linker command without changing the linker's semantics, give this
+ symbol a nonzero. */
+#ifndef LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
+#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 0
+#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
+
/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
the rest of the DWARF 2 frame unwind support is also provided. */
#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
#define DWARF2_UNWIND_INFO 1
#endif
-#if defined (DWARF2_UNWIND_INFO) && !defined (EH_FRAME_SECTION)
-# if defined (EH_FRAME_SECTION_ASM_OP)
-# define EH_FRAME_SECTION() eh_frame_section();
-# else
- /* If we aren't using crtstuff to run ctors, don't use it for EH. */
-# if defined (ASM_OUTPUT_SECTION_NAME) && defined (ASM_OUTPUT_CONSTRUCTOR)
-# define EH_FRAME_SECTION_ASM_OP ".section\t.eh_frame,\"aw\""
-# define EH_FRAME_SECTION() \
- do { named_section (NULL_TREE, ".eh_frame", 0); } while (0)
-# endif
-# endif
+/* If we have named sections, and we're using crtstuff to run ctors,
+ use them for registering eh frame information. */
+#if defined (TARGET_ASM_NAMED_SECTION) && DWARF2_UNWIND_INFO \
+ && !defined(EH_FRAME_IN_DATA_SECTION)
+#ifndef EH_FRAME_SECTION_NAME
+#define EH_FRAME_SECTION_NAME ".eh_frame"
+#endif
+#endif
+
+/* If we have named section and we support weak symbols, then use the
+ .jcr section for recording java classes which need to be registered
+ at program start-up time. */
+#if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
+#ifndef JCR_SECTION_NAME
+#define JCR_SECTION_NAME ".jcr"
+#endif
#endif
/* By default, we generate a label at the beginning and end of the
#ifndef DWARF_FRAME_REGISTERS
#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
#endif
+
+/* How to renumber registers for dbx and gdb. If not defined, assume
+ no renumbering is necessary. */
+
+#ifndef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
+#endif
+
+/* Default sizes for base C types. If the sizes are different for
+ your target, you should override these values by defining the
+ appropriate symbols in your tm.h file. */
+
+#ifndef BITS_PER_UNIT
+#define BITS_PER_UNIT 8
+#endif
+
+#ifndef BITS_PER_WORD
+#define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD)
+#endif
+
+#ifndef CHAR_TYPE_SIZE
+#define CHAR_TYPE_SIZE BITS_PER_UNIT
+#endif
+
+#ifndef BOOL_TYPE_SIZE
+/* `bool' has size and alignment `1', on almost all platforms. */
+#define BOOL_TYPE_SIZE CHAR_TYPE_SIZE
+#endif
+
+#ifndef SHORT_TYPE_SIZE
+#define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2))
+#endif
+
+#ifndef INT_TYPE_SIZE
+#define INT_TYPE_SIZE BITS_PER_WORD
+#endif
+
+#ifndef LONG_TYPE_SIZE
+#define LONG_TYPE_SIZE BITS_PER_WORD
+#endif
+
+#ifndef LONG_LONG_TYPE_SIZE
+#define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2)
+#endif
+
+#ifndef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE INT_TYPE_SIZE
+#endif
+
+#ifndef FLOAT_TYPE_SIZE
+#define FLOAT_TYPE_SIZE BITS_PER_WORD
+#endif
+
+#ifndef DOUBLE_TYPE_SIZE
+#define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
+#endif
+
+#ifndef LONG_DOUBLE_TYPE_SIZE
+#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
+#endif
+
+/* Width in bits of a pointer. Mind the value of the macro `Pmode'. */
+#ifndef POINTER_SIZE
+#define POINTER_SIZE BITS_PER_WORD
+#endif
+
+#ifndef BUILD_VA_LIST_TYPE
+#define BUILD_VA_LIST_TYPE(X) ((X) = ptr_type_node)
+#endif
+
+#ifndef PIC_OFFSET_TABLE_REGNUM
+#define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM
+#endif
+
+/* By default, the preprocessor should be invoked the same way in C++
+ as in C. */
+#ifndef CPLUSPLUS_CPP_SPEC
+#ifdef CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC CPP_SPEC
+#endif
+#endif
+
+#ifndef ACCUMULATE_OUTGOING_ARGS
+#define ACCUMULATE_OUTGOING_ARGS 0
+#endif
+
+/* Supply a default definition for PUSH_ARGS. */
+#ifndef PUSH_ARGS
+#ifdef PUSH_ROUNDING
+#define PUSH_ARGS !ACCUMULATE_OUTGOING_ARGS
+#else
+#define PUSH_ARGS 0
+#endif
+#endif
+
+/* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY.
+ STACK_BOUNDARY is required. */
+#ifndef PREFERRED_STACK_BOUNDARY
+#define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY
+#endif
+
+/* By default, the C++ compiler will use function addresses in the
+ vtable entries. Setting this nonzero tells the compiler to use
+ function descriptors instead. The value of this macro says how
+ many words wide the descriptor is (normally 2). It is assumed
+ that the address of a function descriptor may be treated as a
+ pointer to a function. */
+#ifndef TARGET_VTABLE_USES_DESCRIPTORS
+#define TARGET_VTABLE_USES_DESCRIPTORS 0
+#endif
+
+/* By default, the vtable entries are void pointers, the so the alignment
+ is the same as pointer alignment. The value of this macro specifies
+ the alignment of the vtable entry in bits. It should be defined only
+ when special alignment is necessary. */
+#ifndef TARGET_VTABLE_ENTRY_ALIGN
+#define TARGET_VTABLE_ENTRY_ALIGN POINTER_SIZE
+#endif
+
+/* There are a few non-descriptor entries in the vtable at offsets below
+ zero. If these entries must be padded (say, to preserve the alignment
+ specified by TARGET_VTABLE_ENTRY_ALIGN), set this to the number of
+ words in each data entry. */
+#ifndef TARGET_VTABLE_DATA_ENTRY_DISTANCE
+#define TARGET_VTABLE_DATA_ENTRY_DISTANCE 1
+#endif
+
+/* Select a format to encode pointers in exception handling data. We
+ prefer those that result in fewer dynamic relocations. Assume no
+ special support here and encode direct references. */
+#ifndef ASM_PREFERRED_EH_DATA_FORMAT
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) DW_EH_PE_absptr
+#endif
+
+/* By default, the C++ compiler will use the lowest bit of the pointer
+ to function to indicate a pointer-to-member-function points to a
+ virtual member function. However, if FUNCTION_BOUNDARY indicates
+ function addresses aren't always even, the lowest bit of the delta
+ field will be used. */
+#ifndef TARGET_PTRMEMFUNC_VBIT_LOCATION
+#define TARGET_PTRMEMFUNC_VBIT_LOCATION \
+ (FUNCTION_BOUNDARY >= 2 * BITS_PER_UNIT \
+ ? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta)
+#endif
+
+#ifndef DEFAULT_GDB_EXTENSIONS
+#define DEFAULT_GDB_EXTENSIONS 1
+#endif
+
+/* If more than one debugging type is supported, you must define
+ PREFERRED_DEBUGGING_TYPE to choose a format in a system-dependent way.
+
+ This is one long line cause VAXC can't handle a \-newline. */
+#if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_DEBUGGING_INFO) + defined (DWARF_DEBUGGING_INFO) + defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) + defined (VMS_DEBUGGING_INFO))
+#ifndef PREFERRED_DEBUGGING_TYPE
+You Lose! You must define PREFERRED_DEBUGGING_TYPE!
+#endif /* no PREFERRED_DEBUGGING_TYPE */
+#else /* Only one debugging format supported. Define PREFERRED_DEBUGGING_TYPE
+ so other code needn't care. */
+#ifdef DBX_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#endif
+#ifdef SDB_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
+#endif
+#ifdef DWARF_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
+#endif
+#ifdef DWARF2_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+#endif
+#ifdef VMS_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG
+#endif
+#ifdef XCOFF_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG
+#endif
+#endif /* More than one debugger format enabled. */
+
+/* If still not defined, must have been because no debugging formats
+ are supported. */
+#ifndef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE NO_DEBUG
+#endif
+
+/* Define codes for all the float formats that we know of. */
+#define UNKNOWN_FLOAT_FORMAT 0
+#define IEEE_FLOAT_FORMAT 1
+#define VAX_FLOAT_FORMAT 2
+#define IBM_FLOAT_FORMAT 3
+#define C4X_FLOAT_FORMAT 4
+
+/* Default to IEEE float if not specified. Nearly all machines use it. */
+#ifndef TARGET_FLOAT_FORMAT
+#define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT
+#endif
+
+/* Determine the register class for registers suitable to be the base
+ address register in a MEM. Allow the choice to be dependent upon
+ the mode of the memory access. */
+#ifndef MODE_BASE_REG_CLASS
+#define MODE_BASE_REG_CLASS(MODE) BASE_REG_CLASS
+#endif
+
+#ifndef LARGEST_EXPONENT_IS_NORMAL
+#define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0
+#endif
+
+#ifndef ROUND_TOWARDS_ZERO
+#define ROUND_TOWARDS_ZERO 0
+#endif
+
+#ifndef MODE_HAS_NANS
+#define MODE_HAS_NANS(MODE) \
+ (FLOAT_MODE_P (MODE) \
+ && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \
+ && !LARGEST_EXPONENT_IS_NORMAL (GET_MODE_BITSIZE (MODE)))
+#endif
+
+#ifndef MODE_HAS_INFINITIES
+#define MODE_HAS_INFINITIES(MODE) \
+ (FLOAT_MODE_P (MODE) \
+ && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \
+ && !LARGEST_EXPONENT_IS_NORMAL (GET_MODE_BITSIZE (MODE)))
+#endif
+
+#ifndef MODE_HAS_SIGNED_ZEROS
+#define MODE_HAS_SIGNED_ZEROS(MODE) \
+ (FLOAT_MODE_P (MODE) && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT)
+#endif
+
+#ifndef MODE_HAS_SIGN_DEPENDENT_ROUNDING
+#define MODE_HAS_SIGN_DEPENDENT_ROUNDING(MODE) \
+ (FLOAT_MODE_P (MODE) \
+ && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \
+ && !ROUND_TOWARDS_ZERO)
+#endif
+
+/* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files,
+ then the word-endianness is the same as for integers. */
+#ifndef FLOAT_WORDS_BIG_ENDIAN
+#define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
+#endif
+
+#ifndef TARGET_FLT_EVAL_METHOD
+#define TARGET_FLT_EVAL_METHOD 0
+#endif
+
+#ifndef HOT_TEXT_SECTION_NAME
+#define HOT_TEXT_SECTION_NAME "text.hot"
+#endif
+
+#ifndef UNLIKELY_EXECUTED_TEXT_SECTION_NAME
+#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME "text.unlikely"
+#endif
+
+#ifndef VECTOR_MODE_SUPPORTED_P
+#define VECTOR_MODE_SUPPORTED_P(MODE) 0
+#endif
+
+/* Determine whether __cxa_atexit, rather than atexit, is used to
+ register C++ destructors for local statics and global objects. */
+#ifndef DEFAULT_USE_CXA_ATEXIT
+#define DEFAULT_USE_CXA_ATEXIT 0
+#endif
+
+/* Determine whether extra constraint letter should be handled
+ via address reload (like 'o'). */
+#ifndef EXTRA_MEMORY_CONSTRAINT
+#define EXTRA_MEMORY_CONSTRAINT(C,STR) 0
+#endif
+
+/* Determine whether extra constraint letter should be handled
+ as an address (like 'p'). */
+#ifndef EXTRA_ADDRESS_CONSTRAINT
+#define EXTRA_ADDRESS_CONSTRAINT(C,STR) 0
+#endif
+
+/* When a port defines CONSTRAINT_LEN, it should use DEFAULT_CONSTRAINT_LEN
+ for all the characters that it does not want to change, so things like the
+ 'length' of a digit in a matching constraint is an implementation detail,
+ and not part of the interface. */
+#define DEFAULT_CONSTRAINT_LEN(C,STR) 1
+
+#ifndef CONSTRAINT_LEN
+#define CONSTRAINT_LEN(C,STR) DEFAULT_CONSTRAINT_LEN (C, STR)
+#endif
+
+#if defined (CONST_OK_FOR_LETTER_P) && ! defined (CONST_OK_FOR_CONSTRAINT_P)
+#define CONST_OK_FOR_CONSTRAINT_P(VAL,C,STR) CONST_OK_FOR_LETTER_P (VAL, C)
+#endif
+
+#if defined (CONST_DOUBLE_OK_FOR_LETTER_P) && ! defined (CONST_DOUBLE_OK_FOR_CONSTRAINT_P)
+#define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(OP,C,STR) \
+ CONST_DOUBLE_OK_FOR_LETTER_P (OP, C)
+#endif
+
+#define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C)
+
+#if defined (EXTRA_CONSTRAINT) && ! defined (EXTRA_CONSTRAINT_STR)
+#define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C)
+#endif
+
+/* Determine whether the the entire c99 runtime
+ is present in the runtime library. */
+#ifndef TARGET_C99_FUNCTIONS
+#define TARGET_C99_FUNCTIONS 0
+#endif
+
+/* Indicate that CLZ and CTZ are undefined at zero. */
+#ifndef CLZ_DEFINED_VALUE_AT_ZERO
+#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0
+#endif
+#ifndef CTZ_DEFINED_VALUE_AT_ZERO
+#define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0
+#endif
+
+#endif /* ! GCC_DEFAULTS_H */