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2000-04-12 Mark Kettenis <kettenis@gnu.org>

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* i387-tdep.c (print_i387_value): Avoid call to
	floatformat_to_doublest if long double type is the same on host
	and target.
This commit is contained in:
Mark Kettenis 2000-04-12 00:22:56 +00:00
parent 7df5277ad6
commit 1d77867f99
2 changed files with 21 additions and 2 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2000-04-12 Mark Kettenis <kettenis@gnu.org>
* i387-tdep.c (print_i387_value): Avoid call to
floatformat_to_doublest if long double type is the same on host
and target.
2000-04-11 Fernando Nasser <fnasser@cygnus.com>
* wrapper.h: Remove definitions of internal functions.

17
gdb/i387-tdep.c
View File

@ -166,8 +166,21 @@ static void
print_i387_value (char *raw)
{
DOUBLEST value;
floatformat_to_doublest (&floatformat_i387_ext, raw, &value);
/* Avoid call to floatformat_to_doublest if possible to preserve as
much information as possible. */
#ifdef HAVE_LONG_DOUBLE
if (sizeof (value) == sizeof (long double)
&& HOST_LONG_DOUBLE_FORMAT == &floatformat_i387_ext)
{
/* Copy straight over, but take care of the padding. */
memcpy (&value, raw, FPU_REG_RAW_SIZE);
memset (&value + FPU_REG_RAW_SIZE, 0, sizeof (value) - FPU_REG_RAW_SIZE);
}
else
#endif
floatformat_to_doublest (&floatformat_i387_ext, raw, &value);
/* We try to print 19 digits. The last digit may or may not contain
garbage, but we'd better print one too many. We need enough room