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libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.

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* libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
	(LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
	MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.

From-SVN: r114022
This commit is contained in:
Richard Sandiford 2006-05-23 19:29:36 +00:00 committed by Richard Sandiford
parent 550ab0c644
commit b2a203c8e0
2 changed files with 21 additions and 10 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-05-23 Richard Sandiford <richard@codesourcery.com>
* libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
(LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2006-05-23 Joseph Myers <joseph@codesourcery.com>
* expr.c (undefined_operand_subword_p): New.

25
gcc/libgcc2.c
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@ -44,18 +44,23 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
#define MIN_UNITS_PER_WORD UNITS_PER_WORD
#endif
#ifndef LIBGCC2_UNITS_PER_WORD
# if MIN_UNITS_PER_WORD > 4
# define LIBGCC2_UNITS_PER_WORD 8
# elif (MIN_UNITS_PER_WORD > 2 \
|| (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32))
# define LIBGCC2_UNITS_PER_WORD 4
# else
# define LIBGCC2_UNITS_PER_WORD MIN_UNITS_PER_WORD
# endif
/* Work out the largest "word" size that we can deal with on this target. */
#if MIN_UNITS_PER_WORD > 4
# define LIBGCC2_MAX_UNITS_PER_WORD 8
#elif (MIN_UNITS_PER_WORD > 2 \
|| (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32))
# define LIBGCC2_MAX_UNITS_PER_WORD 4
#else
# define LIBGCC2_MAX_UNITS_PER_WORD MIN_UNITS_PER_WORD
#endif
#if LIBGCC2_UNITS_PER_WORD <= MIN_UNITS_PER_WORD
/* Work out what word size we are using for this compilation.
The value can be set on the command line. */
#ifndef LIBGCC2_UNITS_PER_WORD
#define LIBGCC2_UNITS_PER_WORD LIBGCC2_MAX_UNITS_PER_WORD
#endif
#if LIBGCC2_UNITS_PER_WORD <= LIBGCC2_MAX_UNITS_PER_WORD
#include "libgcc2.h"