/* Definitions of target machine for GNU compiler,
for Motorola M*CORE Processor.
- Copyright (C) 1993, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU CC.
N_("Maximum amount for a single stack increment operation")} \
}
-/* The MCore ABI says that bitfields are unsigned by default. */
-/* The EPOC C++ environment does not support exceptions. */
-#define CC1_SPEC "-funsigned-bitfields %{!DIN_GCC:-fno-rtti} %{!DIN_GCC:-fno-exceptions}"
+#ifndef CC1_SPEC
+/* The MCore ABI says that bitfields are unsigned by default. */
+#define CC1_SPEC "-funsigned-bitfields"
+#endif
/* What options are we going to default to specific settings when
-O* happens; the user can subsequently override these settings.
/* Target machine storage Layout. */
-/* Define to use software floating point emulator for REAL_ARITHMETIC and
- decimal <-> binary conversion. */
-#define REAL_ARITHMETIC
-
#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \
if (GET_MODE_CLASS (MODE) == MODE_INT \
&& GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
#define LIBGCC2_WORDS_BIG_ENDIAN 0
#endif
-/* Number of bits in an addressable storage unit. */
-#define BITS_PER_UNIT 8
-
-/* Width in bits of a "word", which is the contents of a machine register.
- Note that this is not necessarily the width of data type `int';
- if using 16-bit ints on a 68000, this would still be 32.
- But on a machine with 16-bit registers, this would be 16. */
-#define BITS_PER_WORD 32
#define MAX_BITS_PER_WORD 32
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
-/* Width in bits of a pointer.
- See also the macro `Pmode' defined below. */
-#define POINTER_SIZE 32
-
/* A C expression for the size in bits of the type `long long' on the
target machine. If you don't define this, the default is two
words. */
#define LONG_LONG_TYPE_SIZE 64
-/* the size of the boolean type -- in C++; */
-#define BOOL_TYPE_SIZE 8
-
/* Allocation boundary (in *bits*) for storing arguments in argument list. */
#define PARM_BOUNDARY 32
reg number REGNO. This could be a conditional expression
or could index an array. */
-extern int regno_reg_class[];
+extern const int regno_reg_class[FIRST_PSEUDO_REGISTER];
#define REGNO_REG_CLASS(REGNO) regno_reg_class[REGNO]
/* When defined, the compiler allows registers explicitly used in the
/* Get reg_class from a letter such as appears in the machine
description. */
-extern enum reg_class reg_class_from_letter[];
+extern const enum reg_class reg_class_from_letter[];
#define REG_CLASS_FROM_LETTER(C) \
( ISLOWER (C) ? reg_class_from_letter[(C) - 'a'] : NO_REGS )
/* Length in units of the trampoline for entering a nested function. */
#define TRAMPOLINE_SIZE 12
-/* Alignment required for a trampoline in units. */
-#define TRAMPOLINE_ALIGN 4
+/* Alignment required for a trampoline in bits. */
+#define TRAMPOLINE_ALIGNMENT 32
/* Emit RTL insns to initialize the variable parts of a trampoline.
FNADDR is an RTX for the address of the function's pure code.
Do not define this if the table should contain absolute addresses. */
/* #define CASE_VECTOR_PC_RELATIVE */
-/* Specify the tree operation to be used to convert reals to integers. */
-#define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR
-
-/* This is the kind of divide that is easiest to do in the general case. */
-#define EASY_DIV_EXPR TRUNC_DIV_EXPR
-
/* 'char' is signed by default. */
#define DEFAULT_SIGNED_CHAR 0
(STACK_BOUNDARY / BITS_PER_UNIT))
-/* Output a label definition. */
-#define ASM_OUTPUT_LABEL(FILE,NAME) \
- do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0)
-
/* Output a reference to a label. */
#undef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(STREAM, NAME) \
- fprintf (STREAM, "%s%s", USER_LABEL_PREFIX, MCORE_STRIP_NAME_ENCODING (NAME))
-
+ fprintf (STREAM, "%s%s", USER_LABEL_PREFIX, \
+ (* targetm.strip_name_encoding) (NAME))
/* This is how to output an assembler line
that says to advance the location counter
#define ASM_DECLARE_RESULT(FILE, RESULT)
#endif
-/* Strip export encoding from a function name. */
-#define MCORE_STRIP_NAME_ENCODING(SYM_NAME) \
- ((SYM_NAME) + ((SYM_NAME)[0] == '@' ? 3 : 0))
-
-/* Strip any text from SYM_NAME added by ENCODE_SECTION_INFO and store
- the result in VAR. */
-#undef STRIP_NAME_ENCODING
-#define STRIP_NAME_ENCODING(VAR, SYM_NAME) \
- (VAR) = MCORE_STRIP_NAME_ENCODING (SYM_NAME)
-
-#undef UNIQUE_SECTION
-#define UNIQUE_SECTION(DECL, RELOC) mcore_unique_section (DECL, RELOC)
-
-#define REDO_SECTION_INFO_P(DECL) 1
-
#define MULTIPLE_SYMBOL_SPACES 1
#define SUPPORTS_ONE_ONLY 1
} \
while (0)
-/* Output a globalising directive for a label. */
-#define ASM_GLOBALIZE_LABEL(STREAM,NAME) \
- (fprintf (STREAM, "\t.export\t"), \
- assemble_name (STREAM, NAME), \
- fputc ('\n',STREAM)) \
+/* Globalizing directive for a label. */
+#define GLOBAL_ASM_OP "\t.export\t"
/* The prefix to add to user-visible assembler symbols. */
#undef USER_LABEL_PREFIX
} \
while (0)
-/* We must mark dll symbols specially. Definitions of dllexport'd objects
- install some info in the .drective (PE) or .exports (ELF) sections. */
-#undef ENCODE_SECTION_INFO
-#define ENCODE_SECTION_INFO(DECL) mcore_encode_section_info (DECL)
-
/* Print operand X (an rtx) in assembler syntax to file FILE.
CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified.
For `%' followed by punctuation, CODE is the punctuation and X is null. */
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