diff options
| author | Roger Sayle <roger@eyesopen.com> | 2006-02-16 16:45:49 +0000 |
|---|---|---|
| committer | Roger Sayle <roger@eyesopen.com> | 2006-02-16 16:45:49 +0000 |
| commit | 612dc2a198e87e93b8604ca344bb5702b0bfebaf (patch) | |
| tree | 3b87f8396c28ce759bfabd47d1ce234ee7313f25 | |
| parent | 11cf27f4c12dfb4b7b064660b1de37a753623e47 (diff) | |
2006-02-16 Roger Sayle <roger@eyesopen.com>
R. Scott Bailey <scott.bailey@eds.com>
Bill Northcott <w.northcott@unsw.edu.au>
PR bootstrap/16787
* floatformat.c: Include <float.h> where available.
(NAN): Use value of DBL_QNAN if defined, and NAN isn't.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/gcc-4_1-branch@111145 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | libiberty/ChangeLog | 8 | ||||
| -rw-r--r-- | libiberty/floatformat.c | 11 |
2 files changed, 18 insertions, 1 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index 6fdeba3e852..6b9702ec35b 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,11 @@ +2006-02-16 Roger Sayle <roger@eyesopen.com> + R. Scott Bailey <scott.bailey@eds.com> + Bill Northcott <w.northcott@unsw.edu.au> + + PR bootstrap/16787 + * floatformat.c: Include <float.h> where available. + (NAN): Use value of DBL_QNAN if defined, and NAN isn't. + 2005-11-06 Richard Guenther <rguenther@suse.de> * splay-tree.c (rotate_left): New function. diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c index 28c9fbf662d..75027a01d43 100644 --- a/libiberty/floatformat.c +++ b/libiberty/floatformat.c @@ -1,5 +1,5 @@ /* IEEE floating point support routines, for GDB, the GNU Debugger. - Copyright 1991, 1994, 1999, 2000, 2003, 2005 + Copyright 1991, 1994, 1999, 2000, 2003, 2005, 2006 Free Software Foundation, Inc. This file is part of GDB. @@ -31,6 +31,11 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. #include <string.h> #endif +/* On some platforms, <float.h> provides DBL_QNAN. */ +#ifdef STDC_HEADERS +#include <float.h> +#endif + #include "ansidecl.h" #include "libiberty.h" #include "floatformat.h" @@ -44,8 +49,12 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. #endif #ifndef NAN +#ifdef DBL_QNAN +#define NAN DBL_QNAN +#else #define NAN (0.0 / 0.0) #endif +#endif static unsigned long get_field (const unsigned char *, enum floatformat_byteorders, |