+2002-03-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * a29k.h, alpha.h, arc.h, arm.h, avr.h, clipper.h, convex.h,
+ cris.h, d30v.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_UNIT): Delete.
+ * defaults.h (BITS_PER_UNIT): Define.
+ * doc/tm.texi (BITS_PER_UNIT): Document default value.
+
2002-03-02 Kazu Hirata <kazu@hxi.com>
* config/h8300/h8300-protos.h: Add a prototype for
for them. Might as well be consistent with bytes. */
#define WORDS_BIG_ENDIAN 1
-/* 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.
for them. Might as well be consistent with bytes. */
#define WORDS_BIG_ENDIAN 0
-/* 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.
#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.
This is always true, even when in little-endian mode. */
#define FLOAT_WORDS_BIG_ENDIAN 1
-/* Number of bits in an addressable storage unit */
-#define BITS_PER_UNIT 8
-
#define BITS_PER_WORD 32
#define UNITS_PER_WORD 4
numbered. */
#define WORDS_BIG_ENDIAN 0
-/* 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'; */
#define BITS_PER_WORD 8
#define WORDS_BIG_ENDIAN 0
-/* 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.
/* Define this if most significant word of a multiword number is numbered. */
#define WORDS_BIG_ENDIAN 1
-/* 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.
post-increment on DImode indirect. */
#define WORDS_BIG_ENDIAN 0
-#define BITS_PER_UNIT 8
-
#define BITS_PER_WORD 32
#define UNITS_PER_WORD 4
#define WORDS_BIG_ENDIAN 1
-#define BITS_PER_UNIT 8
-
#define BITS_PER_WORD 32
#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 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.
#define WORDS_BIG_ENDIAN 1
-#define BITS_PER_UNIT 8
-
#define BITS_PER_WORD 32
#define UNITS_PER_WORD 4
be consistent). */
#define WORDS_BIG_ENDIAN 1
-/* 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.
#define WORDS_BIG_ENDIAN 1
-/* 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. */
#define BITS_PER_WORD 32
/* Not true for 80386 */
#define WORDS_BIG_ENDIAN 0
-/* 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 80386, this would still be 32.
justify the trouble of changing this assumption. */
#define WORDS_BIG_ENDIAN 0
-/* 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.
numbered. */
#define WORDS_BIG_ENDIAN 0
-/* Number of bits in an addressable storage unit. */
-#define BITS_PER_UNIT 8
-
/* Bitfields cannot cross word boundaries. */
#define BITFIELD_NBYTES_LIMITED 1
#define LIBGCC2_WORDS_BIG_ENDIAN 0
#endif
-#define BITS_PER_UNIT 8
-
#define BITS_PER_WORD 64
#define UNITS_PER_WORD 8
value will be set based on preprocessor defines. */
/*#define LIBGCC2_WORDS_BIG_ENDIAN 1*/
-/* 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.
/* Define this if most significant word of a multiword number is numbered. */
#define WORDS_BIG_ENDIAN 1
-/* Number of bits in an addressible storage unit */
-#define BITS_PER_UNIT 8
-
/* Number of bits in a word */
#define BITS_PER_WORD 16
So let's be consistent. */
#define WORDS_BIG_ENDIAN 1
-/* 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.
instructions for them. */
#define WORDS_BIG_ENDIAN 1
-/* 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.
#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.
#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.
#define BYTES_BIG_ENDIAN 1
#define WORDS_BIG_ENDIAN 1
#define FLOAT_WORDS_BIG_ENDIAN 1
-#define BITS_PER_UNIT 8
#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
-/* 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.
This is not true on the Matsushita MN10300. */
#define WORDS_BIG_ENDIAN 0
-/* 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.
numbered. This is not true on the ns32k. */
#define WORDS_BIG_ENDIAN 0
-/* 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 32000, this would still be 32.
numbered. */
#define WORDS_BIG_ENDIAN 1
-/* 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.
/* Define this if most significant word of a multiword number is numbered. */
#define WORDS_BIG_ENDIAN 1
-/* 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.
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#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.
for them. Might as well be consistent with bits and bytes. */
#define WORDS_BIG_ENDIAN 1
-/* 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.
instructions for them. Might as well be consistent with bits and bytes. */
#define WORDS_BIG_ENDIAN 1
-/* 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.
#define WORDS_BIG_ENDIAN 1
-/* 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. */
#define BITS_PER_WORD (TARGET_64BIT ? 64 : 32)
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#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.
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#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.
#define WORDS_BIG_ENDIAN 0
-#define BITS_PER_UNIT 8
-
#define BITS_PER_WORD 16
#define UNITS_PER_WORD 2
This is not true on the NEC V850. */
#define WORDS_BIG_ENDIAN 0
-/* 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.
/* This is not true on the VAX. */
#define WORDS_BIG_ENDIAN 0
-/* 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.
since there are no machine instructions for them. */
#define WORDS_BIG_ENDIAN 1
-/* 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 we32000, this would still be 32.
/* Define this if most significant word of a multiword number is the lowest. */
#define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN != 0)
-/* 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. */
#define BITS_PER_WORD 32
#define MAX_BITS_PER_WORD 32
your target, you should override these values by defining the
appropriate symbols in your tm.h file. */
+#ifndef BITS_PER_UNIT
+#define BITS_PER_UNIT 8
+#endif
+
#ifndef CHAR_TYPE_SIZE
#define CHAR_TYPE_SIZE BITS_PER_UNIT
#endif
@findex BITS_PER_UNIT
@item BITS_PER_UNIT
Define this macro to be the number of bits in an addressable storage
-unit (byte); normally 8.
+unit (byte). If you do not define this macro the default is 8.
@findex BITS_PER_WORD
@item BITS_PER_WORD
projects / thirdparty / gcc.git / commitdiff
