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atomicity.h (__exchange_and_add): Don't use ordered store.

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* config/cpu/hppa/atomicity.h (__exchange_and_add): Don't use ordered
	store.
	(__atomic_add): Likewise.

From-SVN: r120751
This commit is contained in:
John David Anglin 2007-01-13 15:06:32 +00:00 committed by John David Anglin
parent d8867564fe
commit 8f0d85d6e8
2 changed files with 8 additions and 4 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,3 +1,9 @@
2007-01-13 John David Anglin <dave.anglin@nrc-cnrc.gc>
* config/cpu/hppa/atomicity.h (__exchange_and_add): Don't use ordered
store.
(__atomic_add): Likewise.
2007-01-13 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/14991

6
libstdc++-v3/config/cpu/hppa/atomicity.h
View File

@ -66,8 +66,7 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
result = *__mem;
*__mem = result + __val;
/* Reset lock with PA 2.0 "ordered" store. */
__asm__ __volatile__ ("stw,ma %1,0(%0)"
__asm__ __volatile__ ("stw %1,0(%0)"
: : "r" (&lock), "r" (tmp) : "memory");
return result;
}
@ -90,8 +89,7 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
: "memory");
*__mem += __val;
/* Reset lock with PA 2.0 "ordered" store. */
__asm__ __volatile__ ("stw,ma %1,0(%0)"
__asm__ __volatile__ ("stw %1,0(%0)"
: : "r" (&lock), "r" (tmp) : "memory");
}