/* 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, 2007
Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
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
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. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#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
-#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 / 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
# endif
#endif
-/* This determines whether this target supports hidden visibility.
- This is a weaker condition than HAVE_GAS_HIDDEN, which probes for
- specific assembler syntax. */
-#ifndef TARGET_SUPPORTS_HIDDEN
-# ifdef HAVE_GAS_HIDDEN
-# define TARGET_SUPPORTS_HIDDEN 1
-# else
-# define TARGET_SUPPORTS_HIDDEN 0
-# 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
/* 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)
+#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX) \
+ && !defined (TARGET_UNWIND_INFO)
#define DWARF2_UNWIND_INFO 1
#endif
#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. */
#endif
#endif
+/* 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
+#endif
+
/* Number of hardware registers that go into the DWARF-2 unwind info.
If not defined, equals FIRST_PSEUDO_REGISTER */
#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
+
/* Width in bits of a pointer. Mind the value of the macro `Pmode'. */
#ifndef POINTER_SIZE
#define POINTER_SIZE BITS_PER_WORD
#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
+#define C4X_FLOAT_FORMAT 3
/* 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
#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
#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
#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
+
+#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 0
+#endif
+
#endif /* ! GCC_DEFAULTS_H */