glibc/sysdeps/alpha/fpu/fesetround.c
Ulrich Drepper 60f0e64b3c Update.
* malloc/mtrace.pl (usage): Inform about --help.

2000-08-19  Wolfram Gloger  <wg@malloc.de>

	* malloc/malloc.c (new_heap): try harder to get an aligned chunk of
	size HEAP_MAX_SIZE.

2000-08-19  Andreas Jaeger  <aj@suse.de>

	* shlib-versions: Remove libnss_db, libdb and libdb1.

2000-08-19  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/alpha/readdir.c: Move...
	* sysdeps/unix/sysv/linux/ia64/readdir.c: ...here and
	* sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c: ...here.
	* sysdeps/unix/sysv/linux/alpha/readdir_r.c: Move...
	* sysdeps/unix/sysv/linux/ia64/readdir_r.c: ...here and
	* sysdeps/unix/sysv/linux/sparc/sparc64/readdir_r.c: ...here.
	* sysdeps/unix/sysv/linux/alpha/readdir64.c: Remove.
	* sysdeps/unix/sysv/linux/alpha/readdir64_r.c: Remove.
	* sysdeps/unix/sysv/linux/alpha/getdents64.c: Remove.
	* sysdeps/unix/sysv/linux/alpha/getdents.c: Only use for non-LFS
	getdents.
	* sysdeps/unix/sysv/linux/readdir64.c: Remove versioning.
	* sysdeps/unix/sysv/linux/readdir64_r.c: Likewise.

2000-08-18  Jakub Jelinek  <jakub@redhat.com>

	* include/glob.h (__glob64): Add prototype.
	* sysdeps/generic/glob.c: If GLOB_ONLY_P is defined, only
	define glob and glob_in_dir.
	* sysdeps/unix/sysv/linux/i386/Versions: Add glob64@@GLIBC_2.2.
	* sysdeps/unix/sysv/linux/arm/Versions: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/Versions: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/Versions: Likewise.
	* sysdeps/unix/sysv/linux/i386/glob64.c: New file.
	* sysdeps/unix/sysv/linux/arm/glob64.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/glob64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/glob64.c: New file.

2000-08-18  Jakub Jelinek  <jakub@redhat.com>

	* malloc/Makefile (memusage): libmemusage.so is installed in slibdir.

2000-08-17  Andreas Jaeger  <aj@suse.de>

	* math/test-fenv.c (fe_single_test): New function.
	(fe_env_tests): Use fe_single_test.
	(feenable_test): New tests for feenable/fedisable and
	fegetexcpetions.
	(feexcp_mask_test): New function.
	(feexcp_nomask_test): New function.

2000-08-19  Richard Henderson  <rth@cygnus.com>

	* sysdeps/alpha/fpu/fenv_libc.h: New file.
	* sysdeps/alpha/fpu/fclrexcpt.c: Use it.
	* sysdeps/alpha/fpu/fegetenv.c: Likewise.
	* sysdeps/alpha/fpu/fesetround.c: Likewise.
	* sysdeps/alpha/fpu/fegetround.c: Likewise.
	* sysdeps/alpha/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/alpha/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/alpha/fpu/ftestexcept.c: Likewise.
	* sysdeps/alpha/fpu/fedisblxcpt.c: Likewise.  Use the smaller mask.
	* sysdeps/alpha/fpu/feenablxcpt.c: Likewise.
	* sysdeps/alpha/fpu/fegetexcept.c: Likewise.
	* sysdeps/alpha/fpu/feholdexcpt.c: Retain the SWCR_MAP bits.
	* sysdeps/alpha/fpu/fesetenv.c: Likewise.
	* sysdeps/alpha/fpu/feupdateenv.c: Likewise.
	* sysdeps/alpha/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/alpha/fpu/bits/fenv.h (FE_DENORMAL): New.
	(FE_MAP_DMZ, FE_MAP_UMZ, FE_NONIEEE_ENV): New.

2000-08-19  Andreas Jaeger  <aj@suse.de>
2000-08-19 16:58:09 +00:00

43 lines
1.4 KiB
C

/* Set current rounding direction.
Copyright (C) 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>, 1997
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_libc.h>
int
fesetround (int round)
{
unsigned long fpcr;
if (round & ~3)
return 1;
/* Get the current state. */
__asm__ __volatile__("excb; mf_fpcr %0" : "=f"(fpcr));
/* Set the relevant bits. */
fpcr = ((fpcr & ~FPCR_ROUND_MASK)
| ((unsigned long)round << FPCR_ROUND_SHIFT));
/* Put the new state in effect. */
__asm__ __volatile__("mt_fpcr %0; excb" : : "f"(fpcr));
return 0;
}