glibc/sysdeps/m68k/fpu/fclrexcpt.c
Ulrich Drepper dd33e89fb2 Update.
1997-04-17 16:55  Ulrich Drepper  <drepper@cygnus.com>

	* misc/libgen.h: Change prototype for of basename to XPG variant.
	* stdlib/Makefile (routines): Add xpg_basename.
	* stdlib/basename.c: New file.
	* string/string.h: Don't declare basename function if basename
	macro is available.

1997-04-16 17:33  Miles Bader  <miles@gnu.ai.mit.edu>

	* login/utmp_file.c (proc_utmp_eq): Only use ut_id field if valid.

1997-04-15 12:47  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/fclrexcpt.c: New file.
	* sysdeps/m68k/fpu/fenvbits.h: New file.
	* sysdeps/m68k/fpu/fegetenv.c: New file.
	* sysdeps/m68k/fpu/fegetround.c: New file.
	* sysdeps/m68k/fpu/fesetenv.c: New file.
	* sysdeps/m68k/fpu/fesetround.c: New file.
	* sysdeps/m68k/fpu/feupdateenv.c: New file.
	* sysdeps/m68k/fpu/fgetexcptflg.c: New file.
	* sysdeps/m68k/fpu/fraiseexcpt.c: New file.
	* sysdeps/m68k/fpu/fsetexcptflg.c: New file.
	* sysdeps/m68k/fpu/ftestexcept.c: New file.
	* sysdeps/m68k/fpu/mathbits.h: New file.

	* sysdeps/m68k/fpu/s_remquo.c: New file.
	* sysdeps/m68k/fpu/s_remquol.c: New file.
	* sysdeps/m68k/fpu/s_remquof.c: New file.

	* sysdeps/libm-ieee754/s_roundl.c: Restore integer bit when
	mantissa overflows into exponent.  Fix priority of >> vs +.

	* math/libm-test.c (basic_tests): Use the appropriate isnan and
	isinf function to test the value of the nan function.

1997-04-15 13:40  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-i387/s_finite.S: Fix typo.

	* sysdeps/i386/fpu/__math.h: Add optimized versions of isgreater,
	isgreaterequal, isless, islessequal, islessgreater, and
	isunordered.
1997-04-17 15:10:04 +00:00

40 lines
1.4 KiB
C

/* Clear given exceptions in current floating-point environment.
Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <fenv.h>
void
feclearexcept (int excepts)
{
fexcept_t fpsr;
/* Mask out unsupported bits/exceptions. */
excepts &= FE_ALL_EXCEPT;
/* Fetch the fpu status register. */
__asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
/* Clear the relevant bits. */
fpsr &= ~excepts;
/* Put the new data in effect. */
__asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
}