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hppa: Implement get-rounding-mode.h

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Implement get_rounding_mode using the new fpu_control.h
support. Use get_rounding_mode from fegetround.
This commit is contained in:
Carlos O'Donell 2012-11-19 00:40:05 -05:00
parent 030c5d66b8
commit 886ce148c0
3 changed files with 39 additions and 1 deletions
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3
ports/ChangeLog.hppa
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@ -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.

2
ports/sysdeps/hppa/fpu/fesetenv.c
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@ -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

35
ports/sysdeps/hppa/get-rounding-mode.h Normal file
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@ -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 */