Commit Graph

21 Commits

Author SHA1 Message Date
Joseph Myers
b168057aaa Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Adhemerval Zanella
704f794714 powerpc: Fix missing barriers in atomic_exchange_and_add_{acq,rel}
On powerpc, atomic_exchange_and_add is implemented without any
barriers.  This patchs adds the missing instruction and memory barrier
for acquire and release semanthics.
2014-11-26 07:06:28 -05:00
Torvald Riegel
7f981fc24a powerpc: Change atomic_write_barrier to have release semantics. 2014-10-31 23:26:22 +01:00
Allan McRae
d4697bc93d Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Joseph Myers
568035b787 Update copyright notices with scripts/update-copyrights. 2013-01-02 19:05:09 +00:00
Paul Eggert
59ba27a63a Replace FSF snail mail address with URLs. 2012-02-09 23:18:22 +00:00
Ulrich Drepper
fa6e3bc38a * sysdeps/powerpc/bits/atomic.h
[!MUTEX_HINT_ACQ]: Define MUTEX_HINT_ACQ.
	[!MUTEX_HINT_REL]: Define MUTEX_HINT_REL.
	(__arch_compare_and_exchange_val_32_acq): Add MUTEX_HINT_ACQ to lwarx.
	(__arch_compare_and_exchange_val_32_rel): Add MUTEX_HINT_REL to lwarx.
	(__arch_atomic_exchange_val_32_acq): Add MUTEX_HINT_ACQ to lwarx.
	(__arch_atomic_exchange_rel_32_rel): Add MUTEX_HINT_REL to lwarx.
	* sysdeps/powerpc/powerpc32/bits/atomic.h [_ARCH_PWR6 || _ARCH_PWR6X]:
	Define MUTEX_HINT_ACQ as ",1" and MUTEX_HINT_REL as ",0".
	(__arch_compare_and_exchange_bool_32_acq): Add MUTEX_HINT_ACQ to lwarx.
	(__arch_compare_and_exchange_bool_32_rel): Add MUTEX_HINT_REL to lwarx.
	* sysdeps/powerpc/powerpc64/bits/atomic.h [_ARCH_PWR6 || _ARCH_PWR6D]:
	Define MUTEX_HINT_ACQ as ",1" and MUTEX_HINT_REL as ",0".
	(__arch_compare_and_exchange_bool_32_acq): Add MUTEX_HINT_ACQ to lwarx.
	(__arch_compare_and_exchange_bool_32_rel): Add MUTEX_HINT_REL to lwarx.
	(__arch_compare_and_exchange_bool_64_acq): Add MUTEX_HINT_ACQ to lwarx.
	(__arch_compare_and_exchange_bool_64_rel): Add MUTEX_HINT_REL to lwarx.
	(__arch_compare_and_exchange_val_64_acq): Add MUTEX_HINT_ACQ to lwarx.
	(__arch_compare_and_exchange_val_64_rel): Add MUTEX_HINT_REL to lwarx.
	(__arch_atomic_exchange_val_64_acq): Add MUTEX_HINT_ACQ to lwarx.
	(__arch_atomic_exchange_rel_64_rel): Add MUTEX_HINT_REL to lwarx.

2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2007-03-26 20:16:39 +00:00
Ulrich Drepper
7ba0e52c39 Update.
* sysdeps/powerpc/bits/atomic.h (atomic_increment): Define.
	(atomic_decrement): Define.

	* sysdeps/powerpc/bits/atomic.h: Implement atomic_increment_val and
	atomic_decrement_val.
	* sysdeps/powerpc/powerpc32/bits/atomic.h: Likewise.
	* sysdeps/powerpc/powerpc64/bits/atomic.h: Likewise.

	* csu/tst-atomic.c (do_test): Add tests of atomic_increment_val
	and atomic_decrement_val.
2004-09-08 06:09:02 +00:00
Ulrich Drepper
ecb2b2fb8a Update.
* sysdeps/powerpc/powerpc64/bits/atomic.h: Never use matching
	constraints for asm mem parameters.
	* sysdeps/powerpc/bits/atomic.h: Likewise.
2004-04-04 03:32:19 +00:00
Ulrich Drepper
7158eae4a8 Update.
2003-05-12  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/bits/atomic.h
	(__arch_compare_and_exchange_bool_8_rel): Define.
	(__arch_compare_and_exchange_bool_16_rel): Define.
	(__ARCH_REL_INSTR): Define if not already defined.
	(__arch_atomic_exchange_and_add_32): Add "memory" to clobber list.
	(__arch_atomic_decrement_if_positive_32):
	Add "memory" to clobber list.
	(__arch_compare_and_exchange_val_32_acq): Remove release sync.
	(__arch_compare_and_exchange_val_32_rel): Define.
	(__arch_atomic_exchange_32): Remove.
	(__arch_atomic_exchange_32_acq): Define.
	(__arch_atomic_exchange_32_rel): Define.
	(atomic_compare_and_exchange_val_rel): Define.
	(atomic_exchange_acq): Use __arch_atomic_exchange_*_acq forms.
	(atomic_exchange_rel): Define.
	* sysdeps/powerpc/powerpc32/bits/atomic.h
	(__arch_compare_and_exchange_bool_32_acq): Remove release sync.
	(__arch_compare_and_exchange_bool_32_rel): Define.
	(__arch_compare_and_exchange_bool_64_rel): Define.
	(__arch_compare_and_exchange_val_64_rel): Define.
	(__arch_atomic_exchange_64): Remove.
	(__arch_atomic_exchange_64_acq): Define.
	(__arch_atomic_exchange_64_rel): Define.
	* sysdeps/powerpc/powerpc64/bits/atomic.h
	(__arch_compare_and_exchange_bool_32_rel): Define.
	(__arch_compare_and_exchange_bool_64_acq): Remove release sync.
	(__arch_compare_and_exchange_bool_64_rel): Define.
	(__arch_compare_and_exchange_val_64_acq): Remove release sync.
	(__arch_compare_and_exchange_val_64_rel): Define.
	(__arch_atomic_exchange_64): Remove.
	(__arch_atomic_exchange_64_acq): Define.
	(__arch_atomic_exchange_64_rel): Define.
	(__arch_atomic_exchange_and_add_64): Add "memory" to clobber list.
	(__arch_atomic_decrement_if_positive_64):
	Add "memory" to clobber list.
	[!UP](__ARCH_REL_INSTR): Define as lwsync.

	the space-padded-by-default conversion specifiers, %e, %k, %l.
2003-05-13 21:14:28 +00:00
Ulrich Drepper
949ec76407 Update.
* posix/sched.h: Change prototypes of sched_getaffinity and
	sched_setaffinity.  Define CPU_SET, CPU_CLR, CPU_ISSET, and CPU_ZERO.
	* sysdeps/generic/sched_getaffinity.c: Adjust definition.
	* sysdeps/generic/sched_setaffinity.c: Likewise.
	* sysdeps/generic/bits/sched.h: Define __CPU_SETSIZE, __NCPUBITS,
	__CPUELT, __CPUMASK, cpu_set_t, __cpu_mask, __CPU_ZERO, __CPU_SET,
	__CPU_CLR, and __CPU_ISSET.
	* sysdeps/unix/sysv/linux/bits/sched.h: Likewise.
	* sysdeps/unix/sysv/linux/sched_getaffinity.c: New file.
	* sysdeps/unix/sysv/linux/sched_setaffinity.c: New file.

	* include/atomic.h (atomic_exchange_acq): Renamed from atomic_exchange.
	(atomic_exchange_rel): New #define.
	* sysdeps/ia64/bits/atomic.h: Likewise.
	* sysdeps/i386/i486/bits/atomic.h (atomic_exchange_acq): Renamed from
	atomic_exchange.
	* sysdeps/m68k/m68020/bits/atomic.h: Likewise.
	* sysdeps/powerpc/bits/atomic.h: Likewise.
	* sysdeps/sparc/sparc32/sparcv9/bits/atomic.h: Likewise.
	* sysdeps/sparc/sparc64/bits/atomic.h: Likewise.
	* sysdeps/x86_64/bits/atomic.h: Likewise.
	* csu/tst-atomic.c: Use atomic_exchange_acq instead of atomic_exchange.
2003-05-10 05:36:37 +00:00
Ulrich Drepper
94c24227fc Update.
2003-04-16  Jakub Jelinek  <jakub@redhat.com>

	* elf/Makefile (distribute): Add tst-tlsmod{[7-9],1[0-2]}.c and
	tst-tls10.h.
	(tests): Add tst-tls1[0-2].
	(modules-names): Add tst-tlsmod{[7-8],1[0-2]}.
	($(objpfx)tst-tlsmod8.so): Depend on tst-tlsmod7.so.
	($(objpfx)tst-tlsmod10.so): Depend on tst-tlsmod9.so.
	($(objpfx)tst-tlsmod12.so): Depend on tst-tlsmod11.so.
	($(objpfx)tst-tls10): Depend on tst-tlsmod8.so.
	($(objpfx)tst-tls11): Depend on tst-tlsmod10.so.
	($(objpfx)tst-tls12): Depend on tst-tlsmod12.so.
	* elf/tst-tls10.c: New test.
	* elf/tst-tls11.c: New test.
	* elf/tst-tls12.c: New test.
	* elf/tst-tls10.h: New file.
	* elf/tst-tlsmod7.c: New file.
	* elf/tst-tlsmod8.c: New file.
	* elf/tst-tlsmod9.c: New file.
	* elf/tst-tlsmod10.c: New file.
	* elf/tst-tlsmod11.c: New file.
	* elf/tst-tlsmod12.c: New file.

2003-04-15  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/bits/atomic.h: Moved ppc32/64 specific code to ...
	* sysdeps/powerpc/powerpc32/bits/atomic.h: New file.
	* sysdeps/powerpc/powerpc64/bits/atomic.h: New file.

	* posix/regex.h: Include <sys/types.h>.
2003-04-17 19:19:29 +00:00
Ulrich Drepper
6087c4851c Update.
2003-04-15  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/bits/atomic.h
	[__powerpc64] (__arch_compare_and_exchange_val_64_acq): Define.
	[! __powerpc64] (__arch_compare_and_exchange_val_64_acq): Defined
	as abort stub.
	(__arch_compare_and_exchange_val_32_acq): Define.
	(atomic_compare_and_exchange_val_acq): Define.
2003-04-15 18:39:09 +00:00
Roland McGrath
448163bae2 2003-03-27 Roland McGrath <roland@redhat.com>
* sysdeps/powerpc/bits/atomic.h [! __powerpc64__]
	(__arch_atomic_decrement_if_positive_64): Fix bogus definition.
2003-03-28 07:17:02 +00:00
Ulrich Drepper
3171ae9909 Update.
2003-03-27  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/bits/atomic.h
	(__arch_compare_and_exchange_bool_32_acq): Move to [!__powerpc64__].
	[__powerpc64__] (__arch_compare_and_exchange_bool_32_acq):
	Define PPC64 specific version.
	[__powerpc64__] (__arch_compare_and_exchange_bool_64_acq):
	Change (mem) constraint to "b".
	[__powerpc64__] (__arch_atomic_exchange_and add_64):
	Replace addi with add. Change (value) contraint to "r".
	Change (mem) constraint to "b".
	[__powerpc64__] (__arch_atomic_decrement_if_positive_64): New macro.
	(__arch_atomic_exchange_32): Change (mem) constraint to "b".
	(__arch_atomic_exchange_and_add_32): Change (mem) constraint to "b".
	(__arch_atomic_decrement_if_positive_32): New macro.
	(atomic_decrement_if_positive): Use __arch* macros.
2003-03-27 23:50:55 +00:00
Roland McGrath
859e708f0e * csu/tst-atomic.c (do_test): Add some new
atomic_compare_and_exchange_val_acq, atomic_add_zero,
	atomic_compare_and_exchange_bool_acq and atomic_add_negative tests.
	* include/atomic.h (atomic_add_negative, atomic_add_zero):
	Prefix local variable so that it doesn't clash with the one
	in atomic_exchange_and_add.
	* sysdeps/ia64/bits/atomic.h (atomic_exchange): Fix for long/void *
	pointers.
	(atomic_exchange_and_add): Implement using __sync_fetch_and_add_?i.
	* sysdeps/powerpc/bits/atomic.h (atomic_exchange_and_add): Force
	value into register.
	* sysdeps/s390/bits/atomic.h (__arch_compare_and_exchange_val_64_acq):
	Cast newval to long.
	* sysdeps/x86_64/bits/atomic.h
	(__arch_compare_and_exchange_val_64_acq): Cast newval and oldval to
	long.
	(atomic_exchange): Cast newvalue to long if sizeof == 8.
	(atomic_exchange_and_add): Cast value to long if sizeof == 8.
	(atomic_add, atomic_add_negative, atomic_add_zero): Likewise.
	(atomic_bit_set): Shift 1L up in all cases to shut up warnings.
2003-03-26 04:02:03 +00:00
Roland McGrath
3e195d9371 2003-03-25 Roland McGrath <roland@redhat.com>
* sysdeps/powerpc/bits/atomic.h (__arch_atomic_exchange_32): New macro.
	(__arch_atomic_exchange_64): New macro.
	(atomic_exchange): Use them.
	(__arch_atomic_exchange_and_add_32): New macro.
	(__arch_atomic_exchange_and_add_64): New macro.
	(atomic_exchange_and_add): Use them.
	Original patch from Steven Munroe <sjmunroe@us.ibm.com>.
2003-03-25 22:40:21 +00:00
Ulrich Drepper
5a3ab2fc18 Update.
2003-03-21  Ulrich Drepper  <drepper@redhat.com>

	* cancellation.c: Adjust for new form of compare&exchange macros.
	* cleanup_defer.c: Likewise.
	* init.c: Likewise.
	* libc-cancellation.c: Likewise.
	* old_pthread_cond_broadcast.c: Likewise.
	* old_pthread_cond_signal.c: Likewise.
	* old_pthread_cond_timedwait.c: Likewise.
	* old_pthread_cond_wait.c: Likewise.
	* pthread_cancel.c: Likewise.
	* pthread_create.c: Likewise.
	* pthread_detach.c: Likewise.
	* pthread_join.c: Likewise.
	* pthread_key_delete.c: Likewise.
	* pthread_setcancelstate.c: Likewise.
	* pthread_setcanceltype.c: Likewise.
	* pthread_timedjoin.c: Likewise.
	* pthread_tryjoin.c: Likewise.
	* sysdeps/pthread/createthread.c: Likewise.
2003-03-21 08:03:25 +00:00
Roland McGrath
2ff16e041a * sysdeps/powerpc/bits/atomic.h (atomic_exchange): Remove unused
variable.  Remove superfluous memory clobber.

	* include/atomic.h: Syntax braino fix.

	* posix/tst-nice.c (do_test): Use %m formats instead of printing errno
	in decimal.  Don't bail if niced at start.  Just check that nice call
	bumps the total at all.
2003-03-20 11:40:51 +00:00
Ulrich Drepper
f79466a8e9 Update.
2003-03-20  Ulrich Drepper  <drepper@redhat.com>

	* include/atomic.h: Define atomic_exchange and
	atomic_decrement_if_positive if not already defined.  Add some
	__builtin_expect.
	* sysdeps/i386/i486/bits/atomic.h: Define atomic_exchange.
	* sysdeps/x86_64/bits/atomic.h: Likewise.
	* sysdeps/ia64/bits/atomic.h: Pretty printing.  Define atomic_exchange.
	* sysdeps/powerpc/bits/atomic.h: Pretty printing.  Define
	atomic_exchange, atomic_exchange_and_add, and
	atomic_decrement_if_positive
2003-03-20 10:18:24 +00:00
Ulrich Drepper
4009bf4044 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
2003-03-20 07:19:17 +00:00