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atomicity.h (__exchange_and_add): Add __volatile__ to asm. 

2000-11-27  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
	* config/cpu/arm/bits/atomicity.h (__exchange_and_add): Add
	__volatile__ to asm.
	(__atomic_add): Likewise.
	(__compare_and_swap): Likewise.
	(__always_swap): Likewise.
	(__test_and_set): Likewise.

From-SVN: r37805
This commit is contained in:
Franz Sirl 2000-11-27 20:07:17 +00:00 committed by Franz Sirl
parent 6a6b162822
commit 079c384ce3
2 changed files with 13 additions and 6 deletions
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9
libstdc++-v3/ChangeLog
View File

@ -1,8 +1,15 @@
2000-11-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* config/cpu/arm/bits/atomicity.h (__exchange_and_add): Add
__volatile__ to asm.
(__atomic_add): Likewise.
(__compare_and_swap): Likewise.
(__always_swap): Likewise.
(__test_and_set): Likewise.
* config/cpu/powerpc/bits/atomicity.h: Replace '__ATOMICITY_INLINE'
with 'inline'.
(__ex__atomic_add): Add __volatile__ to asm.
(__exchange_and_add): Add __volatile__ to asm.
(__atomic_add): Likewise.
(__compare_and_swap): Likewise.
(__always_swap): Likewise.

10
libstdc++-v3/config/cpu/arm/bits/atomicity.h
View File

@ -27,7 +27,7 @@ __attribute__ ((__unused__))
__exchange_and_add (volatile _Atomic_word* __mem, int __val)
{
_Atomic_word __tmp, __tmp2, __result;
__asm__ ("\
__asm__ __volatile__ ("\
0: ldr %0,[%3]
add %1,%0,%4
swp %2,%1,[%3]
@ -45,7 +45,7 @@ __attribute__ ((__unused__))
__atomic_add (volatile _Atomic_word *__mem, int __val)
{
_Atomic_word __tmp, __tmp2, __tmp3;
__asm__ ("\
__asm__ __volatile__ ("\
0: ldr %0,[%3]
add %1,%0,%4
swp %2,%1,[%3]
@ -63,7 +63,7 @@ __compare_and_swap (volatile long *__p, long __oldval, long __newval)
{
int __result;
long __tmp;
__asm__ ("\
__asm__ __volatile__ ("\
0: ldr %1,[%2]
mov %0,#0
cmp %1,%4
@ -85,7 +85,7 @@ __attribute__ ((__unused__))
__always_swap (volatile long *__p, long __newval)
{
long __result;
__asm__ ("\
__asm__ __volatile__ ("\
swp %0,%2,[%1]
" : "=&r"(__result) : "r"(__p), "r"(__newval) : "memory");
return __result;
@ -97,7 +97,7 @@ __test_and_set (volatile long *__p, long __newval)
{
int __result;
long __tmp;
__asm__ ("\
__asm__ __volatile__ ("\
0: ldr %0,[%2]
cmp %0,#0
bne 1f