X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fdefaults.h;h=cfbc04d6c928943df4aebfe8ad357742654d26ae;hb=7ae1b0e99203428a7eaee0959803d82efe0a1649;hp=2dc9d749858f229dec40b8bd3ef6bfc560464cd4;hpb=0a68165a0a81e66224f596a3eeb36b0c7541a44a;p=pf3gnuchains%2Fgcc-fork.git
diff --git a/gcc/defaults.h b/gcc/defaults.h
index 2dc9d749858..cfbc04d6c92 100644
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -1,5 +1,6 @@
/* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
@@ -7,7 +8,7 @@ This file is part of GCC.
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
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -15,10 +16,14 @@ 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 GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+. */
#ifndef GCC_DEFAULTS_H
#define GCC_DEFAULTS_H
@@ -27,33 +32,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#define GET_ENVIRONMENT(VALUE, NAME) do { (VALUE) = getenv (NAME); } while (0)
#endif
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free 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
-
-/* When removal of CPP_PREDEFINES is complete, TARGET_CPU_CPP_BULITINS
- can also be removed from here. */
-#ifndef TARGET_OS_CPP_BUILTINS
-# define TARGET_OS_CPP_BUILTINS()
-#endif
-#ifndef TARGET_CPU_CPP_BUILTINS
-# define TARGET_CPU_CPP_BUILTINS()
-#endif
-#ifndef CPP_PREDEFINES
-# define CPP_PREDEFINES ""
-#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. */
@@ -73,27 +51,13 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#ifndef ASM_FORMAT_PRIVATE_NAME
# define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
do { const char *const name_ = (NAME); \
- char *const output_ = (OUTPUT) = (char *) alloca (strlen (name_) + 32);\
+ 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 "\t.stabd\t"
-#endif
-
-/* This is how to output an element of a case-vector that is absolute.
- Some targets don't use this, but we have to define it anyway. */
-
-#ifndef ASM_OUTPUT_ADDR_VEC_ELT
-#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, 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
-
-/* choose a reasonable default for ASM_OUTPUT_ASCII. */
+/* Choose a reasonable default for ASM_OUTPUT_ASCII. */
#ifndef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
@@ -146,14 +110,57 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
#endif
+#ifndef IFUNC_ASM_TYPE
+#define IFUNC_ASM_TYPE "gnu_indirect_function"
+#endif
+
+#ifndef TLS_COMMON_ASM_OP
+#define TLS_COMMON_ASM_OP ".tls_common"
+#endif
+
+#if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON)
+#define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE) \
+ do \
+ { \
+ fprintf ((FILE), "\t%s\t", TLS_COMMON_ASM_OP); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
+ (SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT); \
+ } \
+ while (0)
+#endif
+
+/* Decide whether to defer emitting the assembler output for an equate
+ of two values. The default is to not defer output. */
+#ifndef TARGET_DEFERRED_OUTPUT_DEFS
+#define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) false
+#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. */
+ NAME, such as the label on 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 the definition of a user-level label named
+ NAME, such as the label on a function. */
+
+#ifndef ASM_OUTPUT_FUNCTION_LABEL
+#define ASM_OUTPUT_FUNCTION_LABEL(FILE, NAME, DECL) \
+ ASM_OUTPUT_LABEL ((FILE), (NAME))
+#endif
+
+/* Output the definition of a compiler-generated label named NAME. */
+#ifndef ASM_OUTPUT_INTERNAL_LABEL
+#define ASM_OUTPUT_INTERNAL_LABEL(FILE,NAME) \
+ do { \
+ assemble_name_raw ((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
@@ -183,6 +190,27 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
#endif
+/* This is how we tell the assembler that a symbol is a weak alias to
+ another symbol that doesn't require the other symbol to be defined.
+ Uses of the former will turn into weak uses of the latter, i.e.,
+ uses that, in case the latter is undefined, will not cause errors,
+ and will add it to the symbol table as weak undefined. However, if
+ the latter is referenced directly, a strong reference prevails. */
+#ifndef ASM_OUTPUT_WEAKREF
+#if defined HAVE_GAS_WEAKREF
+#define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE) \
+ do \
+ { \
+ fprintf ((FILE), "\t.weakref\t"); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), ","); \
+ assemble_name ((FILE), (VALUE)); \
+ fprintf ((FILE), "\n"); \
+ } \
+ while (0)
+#endif
+#endif
+
/* How to emit a .type directive. */
#ifndef ASM_OUTPUT_TYPE_DIRECTIVE
#if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT
@@ -208,9 +236,7 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
HOST_WIDE_INT size_ = (SIZE); \
fputs (SIZE_ASM_OP, STREAM); \
assemble_name (STREAM, NAME); \
- fputs (", ", STREAM); \
- fprintf (STREAM, HOST_WIDE_INT_PRINT_DEC, size_); \
- putc ('\n', STREAM); \
+ fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
} \
while (0)
@@ -228,7 +254,8 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
#endif
-/* This determines whether or not we support weak symbols. */
+/* This determines whether or not we support weak symbols. SUPPORTS_WEAK
+ must be a preprocessor constant. */
#ifndef SUPPORTS_WEAK
#if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL)
#define SUPPORTS_WEAK 1
@@ -237,6 +264,22 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
#endif
+/* This determines whether or not we support weak symbols during target
+ code generation. TARGET_SUPPORTS_WEAK can be any valid C expression. */
+#ifndef TARGET_SUPPORTS_WEAK
+#define TARGET_SUPPORTS_WEAK (SUPPORTS_WEAK)
+#endif
+
+/* This determines whether or not we support the discriminator
+ attribute in the .loc directive. */
+#ifndef SUPPORTS_DISCRIMINATOR
+#ifdef HAVE_GAS_DISCRIMINATOR
+#define SUPPORTS_DISCRIMINATOR 1
+#else
+#define SUPPORTS_DISCRIMINATOR 0
+#endif
+#endif
+
/* This determines whether or not we support link-once semantics. */
#ifndef SUPPORTS_ONE_ONLY
#ifdef MAKE_DECL_ONE_ONLY
@@ -246,13 +289,27 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
#endif
+/* This determines whether weak symbols must be left out of a static
+ archive's table of contents. Defining this macro to be nonzero has
+ the consequence that certain symbols will not be made weak that
+ otherwise would be. The C++ ABI requires this macro to be zero;
+ see the documentation. */
+#ifndef TARGET_WEAK_NOT_IN_ARCHIVE_TOC
+#define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 0
+#endif
+
+/* This determines whether or not we need linkonce unwind information. */
+#ifndef TARGET_USES_WEAK_UNWIND_INFO
+#define TARGET_USES_WEAK_UNWIND_INFO 0
+#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.
+ provide a weak attribute. Else define it to nothing.
This would normally belong in ansidecl.h, but SUPPORTS_WEAK is
not available at that time.
@@ -267,6 +324,18 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
# endif
#endif
+/* Determines whether we may use common symbols to represent one-only
+ semantics (a.k.a. "vague linkage"). */
+#ifndef USE_COMMON_FOR_ONE_ONLY
+# define USE_COMMON_FOR_ONE_ONLY 1
+#endif
+
+/* By default we can assume that all global symbols are in one namespace,
+ across all shared libraries. */
+#ifndef MULTIPLE_SYMBOL_SPACES
+# define MULTIPLE_SYMBOL_SPACES 0
+#endif
+
/* If the target supports init_priority C++ attribute, give
SUPPORTS_INIT_PRIORITY a nonzero value. */
#ifndef SUPPORTS_INIT_PRIORITY
@@ -295,6 +364,26 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
#endif
+/* On many systems, different EH table encodings are used under
+ difference circumstances. Some will require runtime relocations;
+ some will not. For those that do not require runtime relocations,
+ we would like to make the table read-only. However, since the
+ read-only tables may need to be combined with read-write tables
+ that do require runtime relocation, it is not safe to make the
+ tables read-only unless the linker will merge read-only and
+ read-write sections into a single read-write section. If your
+ linker does not have this ability, but your system is such that no
+ encoding used with non-PIC code will ever require a runtime
+ relocation, then you can define EH_TABLES_CAN_BE_READ_ONLY to 1 in
+ your target configuration file. */
+#ifndef EH_TABLES_CAN_BE_READ_ONLY
+#ifdef HAVE_LD_RO_RW_SECTION_MIXING
+#define EH_TABLES_CAN_BE_READ_ONLY 1
+#else
+#define EH_TABLES_CAN_BE_READ_ONLY 0
+#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. */
@@ -304,19 +393,16 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
#endif
-/* By default, we generate a label at the beginning and end of the
- text section, and compute the size of the text section by
- subtracting the two. However, on some platforms that doesn't
- work, and we use the section itself, rather than a label at the
- beginning of it, to indicate the start of the section. On such
- platforms, define this to zero. */
-#ifndef DWARF2_GENERATE_TEXT_SECTION_LABEL
-#define DWARF2_GENERATE_TEXT_SECTION_LABEL 1
+/* This decision to use a .jcr section can be overridden by defining
+ USE_JCR_SECTION to 0 in target file. This is necessary if target
+ can define JCR_SECTION_NAME but does not have crtstuff or
+ linker support for .jcr section. */
+#ifndef TARGET_USE_JCR_SECTION
+#ifdef JCR_SECTION_NAME
+#define TARGET_USE_JCR_SECTION 1
+#else
+#define TARGET_USE_JCR_SECTION 0
#endif
-
-/* Supply a default definition for PROMOTE_PROTOTYPES. */
-#ifndef PROMOTE_PROTOTYPES
-#define PROMOTE_PROTOTYPES 0
#endif
/* Number of hardware registers that go into the DWARF-2 unwind info.
@@ -386,27 +472,251 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
#endif
+#ifndef DECIMAL32_TYPE_SIZE
+#define DECIMAL32_TYPE_SIZE 32
+#endif
+
+#ifndef DECIMAL64_TYPE_SIZE
+#define DECIMAL64_TYPE_SIZE 64
+#endif
+
+#ifndef DECIMAL128_TYPE_SIZE
+#define DECIMAL128_TYPE_SIZE 128
+#endif
+
+#ifndef SHORT_FRACT_TYPE_SIZE
+#define SHORT_FRACT_TYPE_SIZE BITS_PER_UNIT
+#endif
+
+#ifndef FRACT_TYPE_SIZE
+#define FRACT_TYPE_SIZE (BITS_PER_UNIT * 2)
+#endif
+
+#ifndef LONG_FRACT_TYPE_SIZE
+#define LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 4)
+#endif
+
+#ifndef LONG_LONG_FRACT_TYPE_SIZE
+#define LONG_LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 8)
+#endif
+
+#ifndef SHORT_ACCUM_TYPE_SIZE
+#define SHORT_ACCUM_TYPE_SIZE (SHORT_FRACT_TYPE_SIZE * 2)
+#endif
+
+#ifndef ACCUM_TYPE_SIZE
+#define ACCUM_TYPE_SIZE (FRACT_TYPE_SIZE * 2)
+#endif
+
+#ifndef LONG_ACCUM_TYPE_SIZE
+#define LONG_ACCUM_TYPE_SIZE (LONG_FRACT_TYPE_SIZE * 2)
+#endif
+
+#ifndef LONG_LONG_ACCUM_TYPE_SIZE
+#define LONG_LONG_ACCUM_TYPE_SIZE (LONG_LONG_FRACT_TYPE_SIZE * 2)
+#endif
+
+/* We let tm.h override the types used here, to handle trivial differences
+ such as the choice of unsigned int or long unsigned int for size_t.
+ When machines start needing nontrivial differences in the size type,
+ it would be best to do something here to figure out automatically
+ from other information what type to use. */
+
+#ifndef SIZE_TYPE
+#define SIZE_TYPE "long unsigned int"
+#endif
+
+#ifndef PID_TYPE
+#define PID_TYPE "int"
+#endif
+
+/* If GCC knows the exact uint_least16_t and uint_least32_t types from
+ , use them for char16_t and char32_t. Otherwise, use
+ these guesses; getting the wrong type of a given width will not
+ affect C++ name mangling because in C++ these are distinct types
+ not typedefs. */
+
+#ifdef UINT_LEAST16_TYPE
+#define CHAR16_TYPE UINT_LEAST16_TYPE
+#else
+#define CHAR16_TYPE "short unsigned int"
+#endif
+
+#ifdef UINT_LEAST32_TYPE
+#define CHAR32_TYPE UINT_LEAST32_TYPE
+#else
+#define CHAR32_TYPE "unsigned int"
+#endif
+
+#ifndef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+#endif
+
+/* WCHAR_TYPE gets overridden by -fshort-wchar. */
+#define MODIFIED_WCHAR_TYPE \
+ (flag_short_wchar ? "short unsigned int" : WCHAR_TYPE)
+
+#ifndef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "long int"
+#endif
+
+#ifndef WINT_TYPE
+#define WINT_TYPE "unsigned int"
+#endif
+
+#ifndef INTMAX_TYPE
+#define INTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
+ ? "int" \
+ : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
+ ? "long int" \
+ : "long long int"))
+#endif
+
+#ifndef UINTMAX_TYPE
+#define UINTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
+ ? "unsigned int" \
+ : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
+ ? "long unsigned int" \
+ : "long long unsigned int"))
+#endif
+
+
+/* There are no default definitions of these types. */
+
+#ifndef SIG_ATOMIC_TYPE
+#define SIG_ATOMIC_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT8_TYPE
+#define INT8_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT16_TYPE
+#define INT16_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT32_TYPE
+#define INT32_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT64_TYPE
+#define INT64_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT8_TYPE
+#define UINT8_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT16_TYPE
+#define UINT16_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT32_TYPE
+#define UINT32_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT64_TYPE
+#define UINT64_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT_LEAST8_TYPE
+#define INT_LEAST8_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT_LEAST16_TYPE
+#define INT_LEAST16_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT_LEAST32_TYPE
+#define INT_LEAST32_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT_LEAST64_TYPE
+#define INT_LEAST64_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT_LEAST8_TYPE
+#define UINT_LEAST8_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT_LEAST16_TYPE
+#define UINT_LEAST16_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT_LEAST32_TYPE
+#define UINT_LEAST32_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT_LEAST64_TYPE
+#define UINT_LEAST64_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT_FAST8_TYPE
+#define INT_FAST8_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT_FAST16_TYPE
+#define INT_FAST16_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT_FAST32_TYPE
+#define INT_FAST32_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INT_FAST64_TYPE
+#define INT_FAST64_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT_FAST8_TYPE
+#define UINT_FAST8_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT_FAST16_TYPE
+#define UINT_FAST16_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT_FAST32_TYPE
+#define UINT_FAST32_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINT_FAST64_TYPE
+#define UINT_FAST64_TYPE ((const char *) NULL)
+#endif
+
+#ifndef INTPTR_TYPE
+#define INTPTR_TYPE ((const char *) NULL)
+#endif
+
+#ifndef UINTPTR_TYPE
+#define UINTPTR_TYPE ((const char *) NULL)
+#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
-/* Type used by GCOV counters. Use 64bit data type if target supports
- it. */
-#if LONG_TYPE_SIZE >= 64
-#define GCOV_TYPE_SIZE LONG_TYPE_SIZE
-#else
-#define GCOV_TYPE_SIZE LONG_LONG_TYPE_SIZE
+#ifndef PIC_OFFSET_TABLE_REG_CALL_CLOBBERED
+#define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED 0
#endif
+#ifndef TARGET_DLLIMPORT_DECL_ATTRIBUTES
+#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 0
+#endif
+
+#ifndef TARGET_DECLSPEC
+#if TARGET_DLLIMPORT_DECL_ATTRIBUTES
+/* If the target supports the "dllimport" attribute, users are
+ probably used to the "__declspec" syntax. */
+#define TARGET_DECLSPEC 1
+#else
+#define TARGET_DECLSPEC 0
+#endif
+#endif
/* By default, the preprocessor should be invoked the same way in C++
as in C. */
@@ -429,20 +739,46 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
#endif
+/* Decide whether a function's arguments should be processed
+ from first to last or from last to first.
+
+ They should if the stack and args grow in opposite directions, but
+ only if we have push insns. */
+
+#ifdef PUSH_ROUNDING
+
+#ifndef PUSH_ARGS_REVERSED
+#if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD)
+#define PUSH_ARGS_REVERSED PUSH_ARGS
+#endif
+#endif
+
+#endif
+
+#ifndef PUSH_ARGS_REVERSED
+#define PUSH_ARGS_REVERSED 0
+#endif
+
+/* Default value for the alignment (in bits) a C conformant malloc has to
+ provide. This default is intended to be safe and always correct. */
+#ifndef MALLOC_ABI_ALIGNMENT
+#define MALLOC_ABI_ALIGNMENT BITS_PER_WORD
+#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
+/* Set INCOMING_STACK_BOUNDARY to PREFERRED_STACK_BOUNDARY if it is not
+ defined. */
+#ifndef INCOMING_STACK_BOUNDARY
+#define INCOMING_STACK_BOUNDARY PREFERRED_STACK_BOUNDARY
+#endif
+
+#ifndef TARGET_DEFAULT_PACK_STRUCT
+#define TARGET_DEFAULT_PACK_STRUCT 0
#endif
/* By default, the vtable entries are void pointers, the so the alignment
@@ -461,6 +797,16 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#define TARGET_VTABLE_DATA_ENTRY_DISTANCE 1
#endif
+/* Decide whether it is safe to use a local alias for a virtual function
+ when constructing thunks. */
+#ifndef TARGET_USE_LOCAL_THUNK_ALIAS_P
+#ifdef ASM_OUTPUT_DEF
+#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 1
+#else
+#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 0
+#endif
+#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. */
@@ -484,60 +830,37 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
#endif
/* If more than one debugging type is supported, you must define
- PREFERRED_DEBUGGING_TYPE to choose a format in a system-dependent way.
+ PREFERRED_DEBUGGING_TYPE to choose the default. */
- 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))
+#if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_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!
+#error 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
+
+/* If only one debugging format is supported, define PREFERRED_DEBUGGING_TYPE
+ here so other code needn't care. */
+#elif defined DBX_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-#endif
-#ifdef SDB_DEBUGGING_INFO
+
+#elif defined 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
+
+#elif defined DWARF2_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
-#endif
-#ifdef VMS_DEBUGGING_INFO
+
+#elif defined VMS_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG
-#endif
-#ifdef XCOFF_DEBUGGING_INFO
+
+#elif defined 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
+#else
+/* No debugging format is supported by this target. */
#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
@@ -546,53 +869,48 @@ You Lose! You must define PREFERRED_DEBUGGING_TYPE!
#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)))
+#ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL
+#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) false
#endif
-#ifndef MODE_HAS_SIGNED_ZEROS
-#define MODE_HAS_SIGNED_ZEROS(MODE) \
- (FLOAT_MODE_P (MODE) && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT)
+/* True if the targets integer-comparison functions return { 0, 1, 2
+ } to indicate { <, ==, > }. False if { -1, 0, 1 } is used
+ instead. The libgcc routines are biased. */
+#ifndef TARGET_LIB_INT_CMP_BIASED
+#define TARGET_LIB_INT_CMP_BIASED (true)
#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 and HOST_FLOAT_WORDS_BIG_ENDIAN are not defined
- in the header files, then this implies the word-endianness is the same as
- for integers. */
+/* 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
+#ifdef TARGET_FLT_EVAL_METHOD
+#define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 1
+#else
#define TARGET_FLT_EVAL_METHOD 0
+#define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 0
+#endif
+
+#ifndef TARGET_DEC_EVAL_METHOD
+#define TARGET_DEC_EVAL_METHOD 2
#endif
#ifndef HOT_TEXT_SECTION_NAME
-#define HOT_TEXT_SECTION_NAME "text.hot"
+#define HOT_TEXT_SECTION_NAME ".text.hot"
#endif
#ifndef UNLIKELY_EXECUTED_TEXT_SECTION_NAME
-#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME "text.unlikely"
+#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME ".text.unlikely"
#endif
-#ifndef VECTOR_MODE_SUPPORTED_P
-#define VECTOR_MODE_SUPPORTED_P(MODE) 0
+#ifndef HAS_LONG_COND_BRANCH
+#define HAS_LONG_COND_BRANCH 0
+#endif
+
+#ifndef HAS_LONG_UNCOND_BRANCH
+#define HAS_LONG_UNCOND_BRANCH 0
#endif
/* Determine whether __cxa_atexit, rather than atexit, is used to
@@ -601,6 +919,33 @@ You Lose! You must define PREFERRED_DEBUGGING_TYPE!
#define DEFAULT_USE_CXA_ATEXIT 0
#endif
+/* If none of these macros are defined, the port must use the new
+ technique of defining constraints in the machine description.
+ tm_p.h will define those macros that machine-independent code
+ still uses. */
+#if !defined CONSTRAINT_LEN \
+ && !defined REG_CLASS_FROM_LETTER \
+ && !defined REG_CLASS_FROM_CONSTRAINT \
+ && !defined CONST_OK_FOR_LETTER_P \
+ && !defined CONST_OK_FOR_CONSTRAINT_P \
+ && !defined CONST_DOUBLE_OK_FOR_LETTER_P \
+ && !defined CONST_DOUBLE_OK_FOR_CONSTRAINT_P \
+ && !defined EXTRA_CONSTRAINT \
+ && !defined EXTRA_CONSTRAINT_STR \
+ && !defined EXTRA_MEMORY_CONSTRAINT \
+ && !defined EXTRA_ADDRESS_CONSTRAINT
+
+#define USE_MD_CONSTRAINTS
+
+#if GCC_VERSION >= 3000 && defined IN_GCC
+/* These old constraint macros shouldn't appear anywhere in a
+ configuration using MD constraint definitions. */
+#pragma GCC poison REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \
+ CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT
+#endif
+
+#else /* old constraint mechanism in use */
+
/* Determine whether extra constraint letter should be handled
via address reload (like 'o'). */
#ifndef EXTRA_MEMORY_CONSTRAINT
@@ -632,16 +977,374 @@ You Lose! You must define PREFERRED_DEBUGGING_TYPE!
CONST_DOUBLE_OK_FOR_LETTER_P (OP, C)
#endif
+#ifndef REG_CLASS_FROM_CONSTRAINT
#define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C)
+#endif
#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
+#endif /* old constraint mechanism in use */
+
+/* Determine whether the entire c99 runtime
is present in the runtime library. */
#ifndef TARGET_C99_FUNCTIONS
#define TARGET_C99_FUNCTIONS 0
#endif
+/* Determine whether the target runtime library has
+ a sincos implementation following the GNU extension. */
+#ifndef TARGET_HAS_SINCOS
+#define TARGET_HAS_SINCOS 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
+
+/* Provide a default value for STORE_FLAG_VALUE. */
+#ifndef STORE_FLAG_VALUE
+#define STORE_FLAG_VALUE 1
+#endif
+
+/* This macro is used to determine what the largest unit size that
+ move_by_pieces can use is. */
+
+/* MOVE_MAX_PIECES is the number of bytes at a time which we can
+ move efficiently, as opposed to MOVE_MAX which is the maximum
+ number of bytes we can move with a single instruction. */
+
+#ifndef MOVE_MAX_PIECES
+#define MOVE_MAX_PIECES MOVE_MAX
+#endif
+
+#ifndef MAX_MOVE_MAX
+#define MAX_MOVE_MAX MOVE_MAX
+#endif
+
+#ifndef MIN_UNITS_PER_WORD
+#define MIN_UNITS_PER_WORD UNITS_PER_WORD
+#endif
+
+#ifndef MAX_BITS_PER_WORD
+#define MAX_BITS_PER_WORD BITS_PER_WORD
+#endif
+
+#ifndef STACK_POINTER_OFFSET
+#define STACK_POINTER_OFFSET 0
+#endif
+
+#ifndef LOCAL_REGNO
+#define LOCAL_REGNO(REGNO) 0
+#endif
+
+/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
+ the stack pointer does not matter. The value is tested only in
+ functions that have frame pointers. */
+#ifndef EXIT_IGNORE_STACK
+#define EXIT_IGNORE_STACK 0
+#endif
+
+/* Assume that case vectors are not pc-relative. */
+#ifndef CASE_VECTOR_PC_RELATIVE
+#define CASE_VECTOR_PC_RELATIVE 0
+#endif
+
+/* Assume that trampolines need function alignment. */
+#ifndef TRAMPOLINE_ALIGNMENT
+#define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY
+#endif
+
+/* Register mappings for target machines without register windows. */
+#ifndef INCOMING_REGNO
+#define INCOMING_REGNO(N) (N)
+#endif
+
+#ifndef OUTGOING_REGNO
+#define OUTGOING_REGNO(N) (N)
+#endif
+
+#ifndef SHIFT_COUNT_TRUNCATED
+#define SHIFT_COUNT_TRUNCATED 0
+#endif
+
+#ifndef LEGITIMATE_PIC_OPERAND_P
+#define LEGITIMATE_PIC_OPERAND_P(X) 1
+#endif
+
+#ifndef TARGET_MEM_CONSTRAINT
+#define TARGET_MEM_CONSTRAINT 'm'
+#endif
+
+#ifndef REVERSIBLE_CC_MODE
+#define REVERSIBLE_CC_MODE(MODE) 0
+#endif
+
+/* Biggest alignment supported by the object file format of this machine. */
+#ifndef MAX_OFILE_ALIGNMENT
+#define MAX_OFILE_ALIGNMENT BIGGEST_ALIGNMENT
+#endif
+
+#ifndef FRAME_GROWS_DOWNWARD
+#define FRAME_GROWS_DOWNWARD 0
+#endif
+
+/* On most machines, the CFA coincides with the first incoming parm. */
+#ifndef ARG_POINTER_CFA_OFFSET
+#define ARG_POINTER_CFA_OFFSET(FNDECL) \
+ (FIRST_PARM_OFFSET (FNDECL) + crtl->args.pretend_args_size)
+#endif
+
+/* On most machines, we use the CFA as DW_AT_frame_base. */
+#ifndef CFA_FRAME_BASE_OFFSET
+#define CFA_FRAME_BASE_OFFSET(FNDECL) 0
+#endif
+
+/* The offset from the incoming value of %sp to the top of the stack frame
+ for the current function. */
+#ifndef INCOMING_FRAME_SP_OFFSET
+#define INCOMING_FRAME_SP_OFFSET 0
+#endif
+
+#ifndef HARD_REGNO_NREGS_HAS_PADDING
+#define HARD_REGNO_NREGS_HAS_PADDING(REGNO, MODE) 0
+#define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1
+#endif
+
+#ifndef OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 0
+#endif
+
+/* MAX_STACK_ALIGNMENT is the maximum stack alignment guaranteed by
+ the backend. MAX_SUPPORTED_STACK_ALIGNMENT is the maximum best
+ effort stack alignment supported by the backend. If the backend
+ supports stack alignment, MAX_SUPPORTED_STACK_ALIGNMENT and
+ MAX_STACK_ALIGNMENT are the same. Otherwise, the incoming stack
+ boundary will limit the maximum guaranteed stack alignment. */
+#ifdef MAX_STACK_ALIGNMENT
+#define MAX_SUPPORTED_STACK_ALIGNMENT MAX_STACK_ALIGNMENT
+#else
+#define MAX_STACK_ALIGNMENT STACK_BOUNDARY
+#define MAX_SUPPORTED_STACK_ALIGNMENT PREFERRED_STACK_BOUNDARY
+#endif
+
+#define SUPPORTS_STACK_ALIGNMENT (MAX_STACK_ALIGNMENT > STACK_BOUNDARY)
+
+#ifndef LOCAL_ALIGNMENT
+#define LOCAL_ALIGNMENT(TYPE, ALIGNMENT) ALIGNMENT
+#endif
+
+#ifndef STACK_SLOT_ALIGNMENT
+#define STACK_SLOT_ALIGNMENT(TYPE,MODE,ALIGN) \
+ ((TYPE) ? LOCAL_ALIGNMENT ((TYPE), (ALIGN)) : (ALIGN))
+#endif
+
+#ifndef LOCAL_DECL_ALIGNMENT
+#define LOCAL_DECL_ALIGNMENT(DECL) \
+ LOCAL_ALIGNMENT (TREE_TYPE (DECL), DECL_ALIGN (DECL))
+#endif
+
+#ifndef MINIMUM_ALIGNMENT
+#define MINIMUM_ALIGNMENT(EXP,MODE,ALIGN) (ALIGN)
+#endif
+
+/* Alignment value for attribute ((aligned)). */
+#ifndef ATTRIBUTE_ALIGNED_VALUE
+#define ATTRIBUTE_ALIGNED_VALUE BIGGEST_ALIGNMENT
+#endif
+
+/* Many ports have no mode-dependent addresses (except possibly autoincrement
+ and autodecrement addresses, which are handled by target-independent code
+ in recog.c). */
+#ifndef GO_IF_MODE_DEPENDENT_ADDRESS
+#define GO_IF_MODE_DEPENDENT_ADDRESS(X, WIN)
+#endif
+
+/* For most ports anything that evaluates to a constant symbolic
+ or integer value is acceptable as a constant address. */
+#ifndef CONSTANT_ADDRESS_P
+#define CONSTANT_ADDRESS_P(X) (CONSTANT_P (X) && GET_CODE (X) != CONST_DOUBLE)
+#endif
+
+#ifndef MAX_FIXED_MODE_SIZE
+#define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (DImode)
+#endif
+
+/* Nonzero if structures and unions should be returned in memory.
+
+ This should only be defined if compatibility with another compiler or
+ with an ABI is needed, because it results in slower code. */
+
+#ifndef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 1
+#endif
+
+#ifdef GCC_INSN_FLAGS_H
+/* Dependent default target macro definitions
+
+ This section of defaults.h defines target macros that depend on generated
+ headers. This is a bit awkward: We want to put all default definitions
+ for target macros in defaults.h, but some of the defaults depend on the
+ HAVE_* flags defines of insn-flags.h. But insn-flags.h is not always
+ included by files that do include defaults.h.
+
+ Fortunately, the default macro definitions that depend on the HAVE_*
+ macros are also the ones that will only be used inside GCC itself, i.e.
+ not in the gen* programs or in target objects like libgcc.
+
+ Obviously, it would be best to keep this section of defaults.h as small
+ as possible, by converting the macros defined below to target hooks or
+ functions.
+*/
+
+/* The default branch cost is 1. */
+#ifndef BRANCH_COST
+#define BRANCH_COST(speed_p, predictable_p) 1
+#endif
+
+/* If a memory-to-memory move would take MOVE_RATIO or more simple
+ move-instruction sequences, we will do a movmem or libcall instead. */
+
+#ifndef MOVE_RATIO
+#if defined (HAVE_movmemqi) || defined (HAVE_movmemhi) || defined (HAVE_movmemsi) || defined (HAVE_movmemdi) || defined (HAVE_movmemti)
+#define MOVE_RATIO(speed) 2
+#else
+/* If we are optimizing for space (-Os), cut down the default move ratio. */
+#define MOVE_RATIO(speed) ((speed) ? 15 : 3)
+#endif
+#endif
+
+/* If a clear memory operation would take CLEAR_RATIO or more simple
+ move-instruction sequences, we will do a setmem or libcall instead. */
+
+#ifndef CLEAR_RATIO
+#if defined (HAVE_setmemqi) || defined (HAVE_setmemhi) || defined (HAVE_setmemsi) || defined (HAVE_setmemdi) || defined (HAVE_setmemti)
+#define CLEAR_RATIO(speed) 2
+#else
+/* If we are optimizing for space, cut down the default clear ratio. */
+#define CLEAR_RATIO(speed) ((speed) ? 15 :3)
+#endif
+#endif
+
+/* If a memory set (to value other than zero) operation would take
+ SET_RATIO or more simple move-instruction sequences, we will do a movmem
+ or libcall instead. */
+#ifndef SET_RATIO
+#define SET_RATIO(speed) MOVE_RATIO(speed)
+#endif
+
+/* Supply a default definition for FUNCTION_ARG_PADDING:
+ usually pad upward, but pad short args downward on
+ big-endian machines. */
+
+#define DEFAULT_FUNCTION_ARG_PADDING(MODE, TYPE) \
+ (! BYTES_BIG_ENDIAN \
+ ? upward \
+ : (((MODE) == BLKmode \
+ ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
+ && int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT)) \
+ : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \
+ ? downward : upward))
+
+#ifndef FUNCTION_ARG_PADDING
+#define FUNCTION_ARG_PADDING(MODE, TYPE) \
+ DEFAULT_FUNCTION_ARG_PADDING ((MODE), (TYPE))
+#endif
+
+/* Supply a default definition of STACK_SAVEAREA_MODE for emit_stack_save.
+ Normally move_insn, so Pmode stack pointer. */
+
+#ifndef STACK_SAVEAREA_MODE
+#define STACK_SAVEAREA_MODE(LEVEL) Pmode
+#endif
+
+/* Supply a default definition of STACK_SIZE_MODE for
+ allocate_dynamic_stack_space. Normally PLUS/MINUS, so word_mode. */
+
+#ifndef STACK_SIZE_MODE
+#define STACK_SIZE_MODE word_mode
+#endif
+
+/* Provide default values for the macros controlling stack checking. */
+
+/* The default is neither full builtin stack checking... */
+#ifndef STACK_CHECK_BUILTIN
+#define STACK_CHECK_BUILTIN 0
+#endif
+
+/* ...nor static builtin stack checking. */
+#ifndef STACK_CHECK_STATIC_BUILTIN
+#define STACK_CHECK_STATIC_BUILTIN 0
+#endif
+
+/* The default interval is one page (4096 bytes). */
+#ifndef STACK_CHECK_PROBE_INTERVAL_EXP
+#define STACK_CHECK_PROBE_INTERVAL_EXP 12
+#endif
+
+/* The default is not to move the stack pointer. */
+#ifndef STACK_CHECK_MOVING_SP
+#define STACK_CHECK_MOVING_SP 0
+#endif
+
+/* This is a kludge to try to capture the discrepancy between the old
+ mechanism (generic stack checking) and the new mechanism (static
+ builtin stack checking). STACK_CHECK_PROTECT needs to be bumped
+ for the latter because part of the protection area is effectively
+ included in STACK_CHECK_MAX_FRAME_SIZE for the former. */
+#ifdef STACK_CHECK_PROTECT
+#define STACK_OLD_CHECK_PROTECT STACK_CHECK_PROTECT
+#else
+#define STACK_OLD_CHECK_PROTECT \
+ (targetm.except_unwind_info () == UI_SJLJ ? 75 * UNITS_PER_WORD : 8 * 1024)
+#endif
+
+/* Minimum amount of stack required to recover from an anticipated stack
+ overflow detection. The default value conveys an estimate of the amount
+ of stack required to propagate an exception. */
+#ifndef STACK_CHECK_PROTECT
+#define STACK_CHECK_PROTECT \
+ (targetm.except_unwind_info () == UI_SJLJ ? 75 * UNITS_PER_WORD : 12 * 1024)
+#endif
+
+/* Make the maximum frame size be the largest we can and still only need
+ one probe per function. */
+#ifndef STACK_CHECK_MAX_FRAME_SIZE
+#define STACK_CHECK_MAX_FRAME_SIZE \
+ ((1 << STACK_CHECK_PROBE_INTERVAL_EXP) - UNITS_PER_WORD)
+#endif
+
+/* This is arbitrary, but should be large enough everywhere. */
+#ifndef STACK_CHECK_FIXED_FRAME_SIZE
+#define STACK_CHECK_FIXED_FRAME_SIZE (4 * UNITS_PER_WORD)
+#endif
+
+/* Provide a reasonable default for the maximum size of an object to
+ allocate in the fixed frame. We may need to be able to make this
+ controllable by the user at some point. */
+#ifndef STACK_CHECK_MAX_VAR_SIZE
+#define STACK_CHECK_MAX_VAR_SIZE (STACK_CHECK_MAX_FRAME_SIZE / 100)
+#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
+
+#ifndef SWITCHABLE_TARGET
+#define SWITCHABLE_TARGET 0
+#endif
+
+#endif /* GCC_INSN_FLAGS_H */
+
#endif /* ! GCC_DEFAULTS_H */