/* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005
Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
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. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_DEFAULTS_H
#define GCC_DEFAULTS_H
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_CR 015
-# define TARGET_DIGIT0 060
-# define TARGET_ESC 033
-# define TARGET_FF 014
-# define TARGET_NEWLINE 012
-# define TARGET_TAB 011
-# define TARGET_VT 013
-#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. */
} while (0)
#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 / BITS_PER_UNIT, TRUE), FILE); \
- (*targetm.asm_out.internal_label) (FILE, "L", (VALUE)); \
- fputc ('\n', FILE); \
- } while (0)
-#endif
-
/* Choose a reasonable default for ASM_OUTPUT_ASCII. */
#ifndef ASM_OUTPUT_ASCII
#endif
#endif
+#if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON)
+#define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE) \
+ do \
+ { \
+ fprintf ((FILE), "\t.tls_common\t"); \
+ 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. */
do { assemble_name ((FILE), (NAME)); fputs (":\n", (FILE)); } while (0)
#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
#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
#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
+
/* Width in bits of a pointer. Mind the value of the macro `Pmode'. */
#ifndef POINTER_SIZE
#define POINTER_SIZE BITS_PER_WORD
#define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT
#endif
-/* Some macros can be defined by the backend in either a mode-dependent
- or mode-independent form. The compiler proper should only use the
- mode-dependent form, providing VOIDmode when the mode is unknown.
- We can't poison the macros because the backend may reference them. */
-
-#ifndef REGNO_MODE_OK_FOR_BASE_P
-#define REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) REGNO_OK_FOR_BASE_P (REGNO)
-#endif
-
-#ifndef REG_MODE_OK_FOR_BASE_P
-#define REG_MODE_OK_FOR_BASE_P(REG, MODE) REG_OK_FOR_BASE_P (REG)
-#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
-
-/* Some machines require a different base register class if the index
- is a register. By default, assume that a base register is acceptable. */
-#ifndef MODE_BASE_REG_REG_CLASS
-#define MODE_BASE_REG_REG_CLASS(MODE) MODE_BASE_REG_CLASS(MODE)
-#endif
-
-#ifndef REGNO_MODE_OK_FOR_REG_BASE_P
-#define REGNO_MODE_OK_FOR_REG_BASE_P(REGNO, MODE) REGNO_MODE_OK_FOR_BASE_P (REGNO, MODE)
-#endif
-
-#ifndef REG_MODE_OK_FOR_REG_BASE_P
-#define REG_MODE_OK_FOR_REG_BASE_P(REGNO, MODE) REG_MODE_OK_FOR_BASE_P (REGNO, MODE)
-#endif
-
#ifndef LARGEST_EXPONENT_IS_NORMAL
#define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0
#endif
#define TARGET_FLT_EVAL_METHOD 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"
#endif
#define HAS_LONG_UNCOND_BRANCH 0
#endif
+/* By default, only attempt to parallelize bitwise operations, and
+ possibly adds/subtracts using bit-twiddling. */
#ifndef UNITS_PER_SIMD_WORD
-#define UNITS_PER_SIMD_WORD 0
+#define UNITS_PER_SIMD_WORD UNITS_PER_WORD
#endif
/* Determine whether __cxa_atexit, rather than atexit, is used to
#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
#define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C)
#endif
+#endif /* old constraint mechanism in use */
+
#ifndef REGISTER_MOVE_COST
#define REGISTER_MOVE_COST(m, x, y) 2
#endif
-/* Determine whether the the entire c99 runtime
+/* Determine whether the entire c99 runtime
is present in the runtime library. */
#ifndef TARGET_C99_FUNCTIONS
#define TARGET_C99_FUNCTIONS 0
#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)
+#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
+
#endif /* ! GCC_DEFAULTS_H */
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