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floatformat.c (floatformat_to_double): Add a comment about a potential source of warnings when compiling this file.

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* floatformat.c (floatformat_to_double): Add a comment about a
	potential source of warnings when compiling this file.

From-SVN: r101914
This commit is contained in:
Ben Elliston 2005-07-12 06:11:30 +00:00 committed by Ben Elliston
parent 6c5844d2c6
commit 72f9377893
2 changed files with 12 additions and 0 deletions
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5
libiberty/ChangeLog
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@ -1,3 +1,8 @@
2005-07-12 Ben Elliston <bje@au.ibm.com>
* floatformat.c (floatformat_to_double): Add a comment about a
potential source of warnings when compiling this file.
2005-07-12 Ben Elliston <bje@au.ibm.com>
* pexecute.c (pexecute): Cast string litrals to char *.

7
libiberty/floatformat.c
View File

@ -306,6 +306,13 @@ floatformat_to_double (const struct floatformat *fmt,
mant_bits_left -= mant_bits;
}
/* On certain systems (such as GNU/Linux), the use of the
INFINITY macro below may generate a warning that can not be
silenced due to a bug in GCC (PR preprocessor/11931). The
preprocessor fails to recognise the __extension__ keyword in
conjunction with the GNU/C99 extension for hexadecimal
floating point constants and will issue a warning when
compiling with -pedantic. */
if (nan)
dto = NAN;
else