2002-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+ * 1750a.h, a29k.h, alpha.h, arc.h, arm.h, avr.h, c4x.h, clipper.h,
+ convex.h, cris.h, d30v.h, dsp16xx.h, elxsi.h, fr30.h, h8300.h,
+ i370.h, i386.h, i860.h, i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h,
+ m88k.h, mcore.h, mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h,
+ pa.h, pdp11.h, pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h,
+ stormy16.h, v850.h, vax.h, we32k.h, xtensa.h (BITS_PER_WORD):
+ Delete.
+ * defaults.h (BITS_PER_WORD): Define.
+ * doc/tm.texi (BITS_PER_WORD): Document default value.
+
* 1750a.h, avr.h, convex.h, d30v.h, dsp16xx.h, fr30.h, ia64.h,
m68hc11.h, m88k.h, mips.h, pdp11.h, rs6000.h, sparc.c,
stormy16.h, xtensa.h, vmsdbgout.c (CHAR_TYPE_SIZE): Delete.
/* number of bits in an addressable storage unit */
#define BITS_PER_UNIT 16
-/* 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 16
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 1
for them. Might as well be consistent with bytes. */
#define WORDS_BIG_ENDIAN 1
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
for them. Might as well be consistent with bytes. */
#define WORDS_BIG_ENDIAN 0
-/* 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 64
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 8
#define LIBGCC2_WORDS_BIG_ENDIAN 0
#endif
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
This is always true, even when in little-endian mode. */
#define FLOAT_WORDS_BIG_ENDIAN 1
-#define BITS_PER_WORD 32
-
#define UNITS_PER_WORD 4
#define POINTER_SIZE 32
numbered. */
#define WORDS_BIG_ENDIAN 0
-/* 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'; */
-#define BITS_PER_WORD 8
-
#ifdef IN_LIBGCC2
/* This is to get correct SI and DI modes in libgcc2.c (32 and 64 bits). */
#define UNITS_PER_WORD 4
sizeof(int) = sizeof(long) = sizeof(float) = sizeof(double) = 1. */
#define BITS_PER_UNIT 32
-#define BITS_PER_WORD 32
#define UNITS_PER_WORD 1
#define POINTER_SIZE 32
#define PARM_BOUNDARY 32
#define WORDS_BIG_ENDIAN 0
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
/* Define this if most significant word of a multiword number is numbered. */
#define WORDS_BIG_ENDIAN 1
-/* 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 64
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 8
post-increment on DImode indirect. */
#define WORDS_BIG_ENDIAN 0
-#define BITS_PER_WORD 32
-
#define UNITS_PER_WORD 4
#define POINTER_SIZE 32
#define WORDS_BIG_ENDIAN 1
-#define BITS_PER_WORD 32
-
#define UNITS_PER_WORD 4
#define POINTER_SIZE 32
/* number of bits in an addressable storage unit */
#define BITS_PER_UNIT 16
-/* 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 16
-
/* Maximum number of bits in a word. */
#define MAX_BITS_PER_WORD 16
/* Define this if most significant word of a multiword number is numbered. */
#define WORDS_BIG_ENDIAN 1
-/* 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 64
-
#define INT_TYPE_SIZE 32
#define LONG_TYPE_SIZE 32
#define WORDS_BIG_ENDIAN 1
-#define BITS_PER_WORD 32
-
#define UNITS_PER_WORD 4
#define POINTER_SIZE 32
be consistent). */
#define WORDS_BIG_ENDIAN 1
-/* 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 (TARGET_H8300H || TARGET_H8300S ? 32 : 16)
#define MAX_BITS_PER_WORD 32
/* Width of a word, in units (bytes). */
#define WORDS_BIG_ENDIAN 1
-/* Width in bits of a "word", which is the contents of a machine register. */
-
-#define BITS_PER_WORD 32
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
/* Not true for 80386 */
#define WORDS_BIG_ENDIAN 0
-/* 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 80386, this would still be 32.
- But on a machine with 16-bit registers, this would be 16. */
-#define BITS_PER_WORD (TARGET_64BIT ? 64 : 32)
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD (TARGET_64BIT ? 8 : 4)
#define MIN_UNITS_PER_WORD 4
justify the trouble of changing this assumption. */
#define WORDS_BIG_ENDIAN 0
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
/* Bitfields cannot cross word boundaries. */
#define BITFIELD_NBYTES_LIMITED 1
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
#define LIBGCC2_WORDS_BIG_ENDIAN 0
#endif
-#define BITS_PER_WORD 64
-
#define UNITS_PER_WORD 8
#define POINTER_SIZE (TARGET_ILP32 ? 32 : 64)
value will be set based on preprocessor defines. */
/*#define LIBGCC2_WORDS_BIG_ENDIAN 1*/
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
/* Define this if most significant word of a multiword number is numbered. */
#define WORDS_BIG_ENDIAN 1
-/* Number of bits in a word */
-#define BITS_PER_WORD 16
-
/* Width of a word, in units (bytes). */
-#define UNITS_PER_WORD (BITS_PER_WORD/8)
+#define UNITS_PER_WORD 2
/* Define if you don't want extended real, but do want to use the
software floating point emulator for REAL_ARITHMETIC and
So let's be consistent. */
#define WORDS_BIG_ENDIAN 1
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
instructions for them. */
#define WORDS_BIG_ENDIAN 1
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
#define LIBGCC2_WORDS_BIG_ENDIAN 0
#endif
-/* 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 LIBGCC2_WORDS_BIG_ENDIAN 0
#endif
-/* 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 (TARGET_64BIT ? 64 : 32)
#define MAX_BITS_PER_WORD 64
/* Width of a word, in units (bytes). */
#define BYTES_BIG_ENDIAN 1
#define WORDS_BIG_ENDIAN 1
#define FLOAT_WORDS_BIG_ENDIAN 1
-#define BITS_PER_WORD 64
#define UNITS_PER_WORD 8
#define POINTER_SIZE 64
This is not true on the Matsushita MN10200. */
#define WORDS_BIG_ENDIAN 0
-/* 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.
-
- This is a white lie. Registers are really 24bits, but most operations
+/* This is a white lie. Registers are really 24bits, but most operations
only operate on 16 bits. GCC chokes badly if we set this to a value
that is not a power of two. */
-#define BITS_PER_WORD 16
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 2
This is not true on the Matsushita MN10300. */
#define WORDS_BIG_ENDIAN 0
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
numbered. This is not true on the ns32k. */
#define WORDS_BIG_ENDIAN 0
-/* 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 32000, this would still be 32.
- But on a machine with 16-bit registers, this would be 16. */
-#define BITS_PER_WORD 32
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
numbered. */
#define WORDS_BIG_ENDIAN 1
-/* 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 (TARGET_64BIT ? 64 : 32)
#define MAX_BITS_PER_WORD 64
#define MAX_LONG_TYPE_SIZE 32
#define MAX_WCHAR_TYPE_SIZE 32
/* Define this if most significant word of a multiword number is numbered. */
#define WORDS_BIG_ENDIAN 1
-/* 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. */
-/* This is a machine with 16-bit registers */
-#define BITS_PER_WORD 16
-
/* Width of a word, in units (bytes).
UNITS OR BYTES - seems like units */
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#endif
-/* 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). */
for them. Might as well be consistent with bits and bytes. */
#define WORDS_BIG_ENDIAN 1
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
instructions for them. Might as well be consistent with bits and bytes. */
#define WORDS_BIG_ENDIAN 1
-/* 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 (! TARGET_POWERPC64 ? 32 : 64)
#define MAX_BITS_PER_WORD 64
/* Width of a word, in units (bytes). */
#define WORDS_BIG_ENDIAN 1
-/* Width in bits of a "word", which is the contents of a machine register. */
-
-#define BITS_PER_WORD (TARGET_64BIT ? 64 : 32)
#define MAX_BITS_PER_WORD 64
/* Width of a word, in units (bytes). */
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#endif
-/* 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 (TARGET_SHMEDIA ? 64 : 32)
#define MAX_BITS_PER_WORD 64
#define MAX_LONG_TYPE_SIZE MAX_BITS_PER_WORD
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#endif
-/* 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 (TARGET_ARCH64 ? 64 : 32)
#define MAX_BITS_PER_WORD 64
/* Width of a word, in units (bytes). */
#define WORDS_BIG_ENDIAN 0
-#define BITS_PER_WORD 16
-
#define UNITS_PER_WORD 2
#define POINTER_SIZE 16
This is not true on the NEC V850. */
#define WORDS_BIG_ENDIAN 0
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
/* This is not true on the VAX. */
#define WORDS_BIG_ENDIAN 0
-/* 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
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
since there are no machine instructions for them. */
#define WORDS_BIG_ENDIAN 1
-/* 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 we32000, this would still be 32.
- But on a machine with 16-bit registers, this would be 16. */
-#define BITS_PER_WORD 32
-
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
/* Define this if most significant word of a multiword number is the lowest. */
#define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN != 0)
-/* Width in bits of a "word", which is the contents of a machine register. */
-#define BITS_PER_WORD 32
#define MAX_BITS_PER_WORD 32
/* Width of a word, in units (bytes). */
#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
@findex BITS_PER_WORD
@item BITS_PER_WORD
-Number of bits in a word; normally 32.
+Number of bits in a word. If you do not define this macro, the default
+is @code{BITS_PER_UNIT * UNITS_PER_WORD}.
@findex MAX_BITS_PER_WORD
@item MAX_BITS_PER_WORD
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