Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
/* Add two limb vectors of the same length > 0 and store sum in a third
|
|
|
|
limb vector.
|
2014-01-01 11:03:15 +00:00
|
|
|
Copyright (C) 1992-2014 Free Software Foundation, Inc.
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
This file is part of the GNU MP Library.
|
|
|
|
|
|
|
|
The GNU MP Library is free software; you can redistribute it and/or modify
|
2001-07-07 10:13:33 +00:00
|
|
|
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
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
option) any later version.
|
|
|
|
|
|
|
|
The GNU MP Library is distributed in the hope that it will be useful, but
|
|
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
2001-07-07 10:13:33 +00:00
|
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
License for more details.
|
|
|
|
|
2001-07-07 10:13:33 +00:00
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
2012-02-09 23:18:22 +00:00
|
|
|
along with the GNU MP Library; see the file COPYING.LIB. If not,
|
|
|
|
see <http://www.gnu.org/licenses/>. */
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
|
|
|
|
#include "sysdep.h"
|
|
|
|
#include "asm-syntax.h"
|
2000-06-09 06:14:39 +00:00
|
|
|
|
2013-02-21 22:21:52 +00:00
|
|
|
#define PARMS 4+8 /* space for 2 saved regs */
|
2000-06-09 06:14:39 +00:00
|
|
|
#define RES PARMS
|
2013-02-21 22:21:52 +00:00
|
|
|
#define S1 RES+4
|
|
|
|
#define S2 S1+4
|
|
|
|
#define SIZE S2+4
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
|
|
|
|
.text
|
|
|
|
#ifdef PIC
|
|
|
|
L(1): addl (%esp), %eax
|
|
|
|
ret
|
|
|
|
#endif
|
2013-02-21 22:21:52 +00:00
|
|
|
ENTRY (__mpn_add_n)
|
2000-06-09 06:14:39 +00:00
|
|
|
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
pushl %edi
|
2005-05-04 06:22:30 +00:00
|
|
|
cfi_adjust_cfa_offset (4)
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
pushl %esi
|
2005-05-04 06:22:30 +00:00
|
|
|
cfi_adjust_cfa_offset (4)
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
|
2000-06-09 06:14:39 +00:00
|
|
|
movl RES(%esp),%edi
|
2005-05-04 06:22:30 +00:00
|
|
|
cfi_rel_offset (edi, 4)
|
2000-06-09 06:14:39 +00:00
|
|
|
movl S1(%esp),%esi
|
2005-05-04 06:22:30 +00:00
|
|
|
cfi_rel_offset (esi, 0)
|
2000-06-09 06:14:39 +00:00
|
|
|
movl S2(%esp),%edx
|
|
|
|
movl SIZE(%esp),%ecx
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
movl %ecx,%eax
|
|
|
|
shrl $3,%ecx /* compute count for unrolled loop */
|
|
|
|
negl %eax
|
|
|
|
andl $7,%eax /* get index where to start loop */
|
|
|
|
jz L(oop) /* necessary special case for 0 */
|
|
|
|
incl %ecx /* adjust loop count */
|
|
|
|
shll $2,%eax /* adjustment for pointers... */
|
|
|
|
subl %eax,%edi /* ... since they are offset ... */
|
|
|
|
subl %eax,%esi /* ... by a constant when we ... */
|
|
|
|
subl %eax,%edx /* ... enter the loop */
|
|
|
|
shrl $2,%eax /* restore previous value */
|
|
|
|
#ifdef PIC
|
|
|
|
/* Calculate start address in loop for PIC. */
|
|
|
|
leal (L(oop)-L(0)-3)(%eax,%eax,8),%eax
|
|
|
|
call L(1)
|
|
|
|
L(0):
|
|
|
|
#else
|
|
|
|
/* Calculate start address in loop for non-PIC. */
|
|
|
|
leal (L(oop) - 3)(%eax,%eax,8),%eax
|
|
|
|
#endif
|
|
|
|
jmp *%eax /* jump into loop */
|
|
|
|
ALIGN (3)
|
|
|
|
L(oop): movl (%esi),%eax
|
|
|
|
adcl (%edx),%eax
|
|
|
|
movl %eax,(%edi)
|
|
|
|
movl 4(%esi),%eax
|
|
|
|
adcl 4(%edx),%eax
|
|
|
|
movl %eax,4(%edi)
|
|
|
|
movl 8(%esi),%eax
|
|
|
|
adcl 8(%edx),%eax
|
|
|
|
movl %eax,8(%edi)
|
|
|
|
movl 12(%esi),%eax
|
|
|
|
adcl 12(%edx),%eax
|
|
|
|
movl %eax,12(%edi)
|
|
|
|
movl 16(%esi),%eax
|
|
|
|
adcl 16(%edx),%eax
|
|
|
|
movl %eax,16(%edi)
|
|
|
|
movl 20(%esi),%eax
|
|
|
|
adcl 20(%edx),%eax
|
|
|
|
movl %eax,20(%edi)
|
|
|
|
movl 24(%esi),%eax
|
|
|
|
adcl 24(%edx),%eax
|
|
|
|
movl %eax,24(%edi)
|
|
|
|
movl 28(%esi),%eax
|
|
|
|
adcl 28(%edx),%eax
|
|
|
|
movl %eax,28(%edi)
|
|
|
|
leal 32(%edi),%edi
|
|
|
|
leal 32(%esi),%esi
|
|
|
|
leal 32(%edx),%edx
|
|
|
|
decl %ecx
|
|
|
|
jnz L(oop)
|
|
|
|
|
|
|
|
sbbl %eax,%eax
|
|
|
|
negl %eax
|
|
|
|
|
|
|
|
popl %esi
|
2005-05-04 06:22:30 +00:00
|
|
|
cfi_adjust_cfa_offset (-4)
|
|
|
|
cfi_restore (esi)
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
popl %edi
|
2005-05-04 06:22:30 +00:00
|
|
|
cfi_adjust_cfa_offset (-4)
|
|
|
|
cfi_restore (edi)
|
2000-06-09 06:14:39 +00:00
|
|
|
|
Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!).
2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
Redesigned how cancellation unblocks a thread from internal
cancellation points (sem_wait, pthread_join,
pthread_cond_{wait,timedwait}).
Cancellation won't eat a signal in any of these functions
(*required* by POSIX and Single Unix Spec!).
* condvar.c: spontaneous wakeup on pthread_cond_timedwait won't eat a
simultaneous condition variable signal (not required by POSIX
or Single Unix Spec, but nice).
* spinlock.c: __pthread_lock queues back any received restarts
that don't belong to it instead of assuming ownership of lock
upon any restart; fastlock can no longer be acquired by two threads
simultaneously.
* restart.h: restarts queue even on kernels that don't have
queued real time signals (2.0, early 2.1), thanks to atomic counter,
avoiding a rare race condition in pthread_cond_timedwait.
2000-01-05 02:09:12 +00:00
|
|
|
ret
|
2013-02-21 22:21:52 +00:00
|
|
|
END (__mpn_add_n)
|