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| author | Ben Elliston <bje@au.ibm.com> | 2005-07-12 06:11:30 +0000 |
|---|---|---|
| committer | Ben Elliston <bje@gcc.gnu.org> | 2005-07-12 16:11:30 +1000 |
| commit | 72f9377893a401cb13337523c1950d047d3c4acf (patch) | |
| tree | a4ff94c27d7dcac41467659d40a093be72c781d3 /libiberty | |
| parent | 6c5844d2c679c2b993e9b9ee3dc92d0126cfd742 (diff) | |
| download | gcc-72f9377893a401cb13337523c1950d047d3c4acf.zip gcc-72f9377893a401cb13337523c1950d047d3c4acf.tar.gz gcc-72f9377893a401cb13337523c1950d047d3c4acf.tar.bz2 | |
floatformat.c (floatformat_to_double): Add a comment about a potential source of warnings when compiling this file.
* floatformat.c (floatformat_to_double): Add a comment about a
potential source of warnings when compiling this file.
From-SVN: r101914
Diffstat (limited to 'libiberty')
| -rw-r--r-- | libiberty/ChangeLog | 5 | ||||
| -rw-r--r-- | libiberty/floatformat.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index bb11111..e2cbeb4 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,5 +1,10 @@ 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 *. * regex.c (re_comp): Cast a call to gettext() to char *. diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c index 41000f4..e466f53 100644 --- a/libiberty/floatformat.c +++ b/libiberty/floatformat.c @@ -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 |