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* 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.
This commit is contained in:
Roland McGrath 2003-03-20 11:40:51 +00:00
parent 41f3e892d8
commit 2ff16e041a
3 changed files with 15 additions and 3 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2003-03-20 Roland McGrath <roland@redhat.com>
* 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 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/bits/setjmp.h: Store all N32 and N64 registers,

3
include/atomic.h
View File

@ -112,7 +112,8 @@
/* Decrement *MEM if it is > 0, and return the old value. */
#ifndef atomic_decrement_if_positive(mem) \
#ifndef atomic_decrement_if_positive
# define atomic_decrement_if_positive(mem) \
({ __typeof (*mem) __val; \
__typeof (*mem) __oldval; \
__typeof (mem) __memp; \

4
sysdeps/powerpc/bits/atomic.h
View File

@ -111,14 +111,14 @@ typedef uintmax_t uatomic_max_t;
#define atomic_exchange(mem, value) \
({ if (sizeof (*mem) != 4) \
abort (); \
int __val, __tmp; \
int __val; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
"1: lwarx %0,0,%2\n" \
" stwcx. %3,0,%2\n" \
" bne- 1b" \
: "=&r" (__val), "=m" (*mem) \
: "r" (mem), "r" (value), "1" (*mem) \
: "cr0", "memory"); \
: "cr0"); \
__val; })