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revert: opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.

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Revert:
	2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
	* opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
	* system.h (DEFAULT_SHORT_ENUMS): Poison.
	* config/cris/cris.h: Remove a comment about
	DEFAULT_SHORT_ENUMS.
	* config/ip2k/ip2k.h: Likewise.
	* doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.

From-SVN: r78168
This commit is contained in:
Kazu Hirata 2004-02-20 14:28:13 +00:00 committed by Kazu Hirata
parent c1c3bb0cbd
commit 35afa56945
6 changed files with 33 additions and 2 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
2004-02-20 Kazu Hirata <kazu@cs.umass.edu>
Revert:
2004-02-19 Kazu Hirata <kazu@cs.umass.edu>
* opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
* system.h (DEFAULT_SHORT_ENUMS): Poison.
* config/cris/cris.h: Remove a comment about
DEFAULT_SHORT_ENUMS.
* config/ip2k/ip2k.h: Likewise.
* doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.
2004-02-20 Mohan Embar <gnustuff@thisiscool.com>
Tom Tromey <tromey@redhat.com>

2
gcc/config/cris/cris.h
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@ -567,6 +567,8 @@ extern int target_flags;
/* For compatibility and historical reasons, a char should be signed. */
#define DEFAULT_SIGNED_CHAR 1
/* No DEFAULT_SHORT_ENUMS, please. */
/* Note that WCHAR_TYPE_SIZE is used in cexp.y,
where TARGET_SHORT is not available. */
#undef WCHAR_TYPE

6
gcc/config/ip2k/ip2k.h
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@ -108,6 +108,12 @@ extern int target_flags;
#define DEFAULT_SIGNED_CHAR 1
/* #define DEFAULT_SHORT_ENUMS 1
This was the default for the IP2k but gcc has a bug (as of 17th May
2001) in the way that library calls to the memory checker functions
are issues that screws things up if an enum is not equivalent to
an int. */
#define SIZE_TYPE "unsigned int"
#define PTRDIFF_TYPE "int"

9
gcc/doc/tm.texi
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@ -1605,6 +1605,15 @@ always override this default with the options @option{-fsigned-char}
and @option{-funsigned-char}.
@end defmac
@defmac DEFAULT_SHORT_ENUMS
A C expression to determine whether to give an @code{enum} type
only as many bytes as it takes to represent the range of possible values
of that type. A nonzero value means to do that; a zero value means all
@code{enum} types should be allocated like @code{int}.
If you don't define the macro, the default is 0.
@end defmac
@defmac SIZE_TYPE
A C expression for a string describing the name of the data type to use
for size values. The typedef name @code{size_t} is defined using the

4
gcc/opts.c
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@ -594,6 +594,10 @@ decode_options (unsigned int argc, const char **argv)
/* Initialize whether `char' is signed. */
flag_signed_char = DEFAULT_SIGNED_CHAR;
#ifdef DEFAULT_SHORT_ENUMS
/* Initialize how much space enums occupy, by default. */
flag_short_enums = DEFAULT_SHORT_ENUMS;
#endif
/* Initialize target_flags before OPTIMIZATION_OPTIONS so the latter can
modify it. */

3
gcc/system.h
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@ -636,8 +636,7 @@ typedef char _Bool;
PROMOTED_MODE EXPAND_BUILTIN_VA_END \
LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE \
GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE \
MAX_WCHAR_TYPE_SIZE GCOV_TYPE_SIZE SHARED_SECTION_ASM_OP \
DEFAULT_SHORT_ENUMS
MAX_WCHAR_TYPE_SIZE GCOV_TYPE_SIZE SHARED_SECTION_ASM_OP
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \