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author | Ulrich Drepper <drepper@redhat.com> | 2003-03-20 07:19:17 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-20 07:19:17 +0000 |
commit | 4009bf404450e4ad7b72140d7bae3226fad3468c (patch) | |
tree | 175b2211f0ae10f837a3822c08cb2b989663725a /sysdeps/i386/i486/atomicity.h | |
parent | 85b5767c57eecaad6aea0967444f5e5d42a4cc17 (diff) | |
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Update.
2003-03-19 Ulrich Drepper <drepper@redhat.com>
* Makefile (distribute): Add include/atomic.h and bits/atomic.h.
* include/atomic.h: New file.
* sysdeps/i386/i486/bits/atomic.h: New file.
* sysdeps/x86_64/bits/atomic.h: New file.
* sysdeps/s390/bits/atomic.h: New file.
* sysdeps/sh/bits/atomic.h: New file.
* sysdeps/ia64/bits/atomic.h: New file.
* sysdeps/powerpc/bits/atomic.h: New file.
* sysdeps/generic/bits/atomic.h: New file.
* sysdeps/i386/i486/atomicity.h: Removed.
* sysdeps/x86_64/atomicity.h: Removed.
* sysdeps/s390/s390-32/atomicity.h: Removed.
* sysdeps/s390/s390-64/atomicity.h: Removed.
* sysdeps/ia64/atomicity.h: Removed.
* sysdeps/powerpc/powerpc32/atomicity.h: Removed.
* sysdeps/powerpc/powerpc64/atomicity.h: Removed.
* elf/dl-profile.c: Use atomic.h instead of atomicity.h. Adjust
use of macros from atomicity.h to new names and semantics.
* gmon_mcount.c: Likewise.
* malloc/set-freeres.c: Likewise.
* nscd/cache.c: Likewise.
* stdlib/cxa_finalize.c: Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c: Likewise.
* sysdeps/mips/ieee754.h: New file, suitable to replace both
* stdlib/strtod.c (INTERNAL): While eating trailing zeros handle
Diffstat (limited to 'sysdeps/i386/i486/atomicity.h')
-rw-r--r-- | sysdeps/i386/i486/atomicity.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/sysdeps/i386/i486/atomicity.h b/sysdeps/i386/i486/atomicity.h deleted file mode 100644 index df2fb81847..0000000000 --- a/sysdeps/i386/i486/atomicity.h +++ /dev/null @@ -1,57 +0,0 @@ -/* Low-level functions for atomic operations. ix86 version, x >= 4. - Copyright (C) 1997, 2000, 2001 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _ATOMICITY_H -#define _ATOMICITY_H 1 - -#include <inttypes.h> - - -static inline uint32_t -__attribute__ ((unused)) -exchange_and_add (volatile uint32_t *mem, uint32_t val) -{ - register uint32_t result; - __asm__ __volatile__ ("lock; xaddl %0,%1" - : "=r" (result), "=m" (*mem) : "0" (val), "1" (*mem)); - return result; -} - -static inline void -__attribute__ ((unused)) -atomic_add (volatile uint32_t *mem, int val) -{ - __asm__ __volatile__ ("lock; addl %1,%0" - : "=m" (*mem) : "ir" (val), "0" (*mem)); -} - -static inline char -__attribute__ ((unused)) -compare_and_swap (volatile long int *p, long int oldval, long int newval) -{ - char ret; - long int readval; - - __asm__ __volatile__ ("lock; cmpxchgl %3, %1; sete %0" - : "=q" (ret), "=m" (*p), "=a" (readval) - : "r" (newval), "1" (*p), "a" (oldval)); - return ret; -} - -#endif /* atomicity.h */ |