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| author | Mike Frysinger <vapier@gentoo.org> | 2012-09-24 17:52:18 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2012-09-24 17:56:18 -0400 |
| commit | 15055a1cd7e2c249093a5f6d57eca817767d8b85 (patch) | |
| tree | ca69c8480b7860ead4be9fa63613c81f2fcacde8 /ports | |
| parent | 2d48610df228ee55736f0ad965d28fa1d82ebe2e (diff) | |
| download | glibc-15055a1cd7e2c249093a5f6d57eca817767d8b85.zip glibc-15055a1cd7e2c249093a5f6d57eca817767d8b85.tar.gz glibc-15055a1cd7e2c249093a5f6d57eca817767d8b85.tar.bz2 | |
ia64: define new get-rounding-mode.h header
The new strtod function wants rounding information from the C lib, so
move the guts of the ia64 version into a header file for it to use.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'ports')
| -rw-r--r-- | ports/ChangeLog.ia64 | 6 | ||||
| -rw-r--r-- | ports/sysdeps/ia64/fpu/fegetround.c | 10 | ||||
| -rw-r--r-- | ports/sysdeps/ia64/fpu/get-rounding-mode.h | 37 |
3 files changed, 46 insertions, 7 deletions
diff --git a/ports/ChangeLog.ia64 b/ports/ChangeLog.ia64 index 3566b37..39ec5ff 100644 --- a/ports/ChangeLog.ia64 +++ b/ports/ChangeLog.ia64 @@ -1,5 +1,11 @@ 2012-09-24 Mike Frysinger <vapier@gentoo.org> + * ports/sysdeps/ia64/fpu/fegetround.c (fegetround): Move contents + of function to ... + * ports/sysdeps/ia64/fpu/get-rounding-mode.h: ... here. + +2012-09-24 Mike Frysinger <vapier@gentoo.org> + * sysdeps/ia64/Makeconfig: New file. 2012-08-16 Carlos O'Donell <carlos_odonell@mentor.com> diff --git a/ports/sysdeps/ia64/fpu/fegetround.c b/ports/sysdeps/ia64/fpu/fegetround.c index e672f61..403aadb 100644 --- a/ports/sysdeps/ia64/fpu/fegetround.c +++ b/ports/sysdeps/ia64/fpu/fegetround.c @@ -1,5 +1,5 @@ /* Return current rounding direction. - Copyright (C) 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1999-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. @@ -17,14 +17,10 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <fenv.h> +#include <get-rounding-mode.h> int fegetround (void) { - fenv_t fpsr; - - __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); - - return (fpsr >> 10) & 3; + return get_rounding_mode (); } diff --git a/ports/sysdeps/ia64/fpu/get-rounding-mode.h b/ports/sysdeps/ia64/fpu/get-rounding-mode.h new file mode 100644 index 0000000..1e18473 --- /dev/null +++ b/ports/sysdeps/ia64/fpu/get-rounding-mode.h @@ -0,0 +1,37 @@ +/* Return current rounding direction within libc. IA64 version. + Copyright (C) 1999-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef IA64_GET_ROUNDING_MODE_H +#define IA64_GET_ROUNDING_MODE_H 1 + +#include <fenv.h> + +/* Return the floating-point rounding mode. */ + +static inline int +get_rounding_mode (void) +{ + fenv_t fpsr; + + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + return (fpsr >> 10) & 3; +} + +#endif /* get-rounding-mode.h */ |