diff options
| author | Carlos O'Donell <carlos@systemhalted.org> | 2012-11-19 00:40:05 -0500 |
|---|---|---|
| committer | Carlos O'Donell <carlos@systemhalted.org> | 2012-11-19 00:40:05 -0500 |
| commit | 886ce148c046f5ecc0b2c60f2c6858c0722d601f (patch) | |
| tree | e321e64143464d6d2a1f17699a7dc82a832c27d9 | |
| parent | 030c5d66b80934fa1de9340f47749c8fdfadd8aa (diff) | |
| download | glibc-886ce148c046f5ecc0b2c60f2c6858c0722d601f.tar.gz glibc-886ce148c046f5ecc0b2c60f2c6858c0722d601f.tar.xz glibc-886ce148c046f5ecc0b2c60f2c6858c0722d601f.zip | |
hppa: Implement get-rounding-mode.h
Implement get_rounding_mode using the new fpu_control.h support. Use get_rounding_mode from fegetround.
| -rw-r--r-- | ports/ChangeLog.hppa | 3 | ||||
| -rw-r--r-- | ports/sysdeps/hppa/fpu/fesetenv.c | 2 | ||||
| -rw-r--r-- | ports/sysdeps/hppa/get-rounding-mode.h | 35 |
3 files changed, 39 insertions, 1 deletions
diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa index 3d8e9e6661..4088793a43 100644 --- a/ports/ChangeLog.hppa +++ b/ports/ChangeLog.hppa @@ -1,5 +1,8 @@ 2012-11-18 Carlos O'Donell <carlos@systemhalted.org> + * sysdeps/hppa/get-rounding-mode.h: New file. + * sysdeps/hppa/fpu/fegetround.c: Use get_rounding_mode. + * ports/sysdeps/hppa/fpu/fpu_control.h: New file. * ports/sysdeps/hppa/__longjmp.S: Removed. diff --git a/ports/sysdeps/hppa/fpu/fesetenv.c b/ports/sysdeps/hppa/fpu/fesetenv.c index e768bb2c37..7a09e4de79 100644 --- a/ports/sysdeps/hppa/fpu/fesetenv.c +++ b/ports/sysdeps/hppa/fpu/fesetenv.c @@ -40,7 +40,7 @@ fesetenv (const fenv_t *envp) | (FE_ALL_EXCEPT << 27) | FE_DOWNWARD); if (envp == FE_DFL_ENV) - ; + temp.env.__status_word = 0; else if (envp == FE_NOMASK_ENV) temp.env.__status_word |= FE_ALL_EXCEPT; else diff --git a/ports/sysdeps/hppa/get-rounding-mode.h b/ports/sysdeps/hppa/get-rounding-mode.h new file mode 100644 index 0000000000..16e56719f9 --- /dev/null +++ b/ports/sysdeps/hppa/get-rounding-mode.h @@ -0,0 +1,35 @@ +/* Determine floating-point rounding mode within libc. HP-PARISC version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 _HPPA_GET_ROUNDING_MODE_H +#define _HPPA_GET_ROUNDING_MODE_H 1 + +#include <fenv.h> +#include <fpu_control.h> + +/* Return the floating-point rounding mode. */ + +static inline int +get_rounding_mode (void) +{ + fpu_control_t fc; + _FPU_GETCW (fc); + return fc & _FPU_HPPA_MASK_RM; +} + +#endif /* get-rounding-mode.h */ |