From: Ben Elliston Date: Tue, 12 Jul 2005 06:11:30 +0000 (+0000) Subject: floatformat.c (floatformat_to_double): Add a comment about a potential source of... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=72f9377893a401cb13337523c1950d047d3c4acf;p=gcc.git 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 --- diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index bb111110786..e2cbeb4741e 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,8 @@ +2005-07-12 Ben Elliston + + * floatformat.c (floatformat_to_double): Add a comment about a + potential source of warnings when compiling this file. + 2005-07-12 Ben Elliston * pexecute.c (pexecute): Cast string litrals to char *. diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c index 41000f459e4..e466f53a7ab 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