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update ppc atomic code to match the endian-agnostic version on other archs
author
Rich Felker
<dalias@aerifal.cx>
Wed, 14 Nov 2012 19:08:33 +0000
(14:08 -0500)
committer
Rich Felker
<dalias@aerifal.cx>
Wed, 14 Nov 2012 19:08:33 +0000
(14:08 -0500)
arch/powerpc/atomic.h
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diff --git
a/arch/powerpc/atomic.h
b/arch/powerpc/atomic.h
index
af39759
..
a83764d
100644
(file)
--- a/
arch/powerpc/atomic.h
+++ b/
arch/powerpc/atomic.h
@@
-101,24
+101,16
@@
static inline void a_or(volatile int *p, int v)
static inline void a_and_64(volatile uint64_t *p, uint64_t v)
{
static inline void a_and_64(volatile uint64_t *p, uint64_t v)
{
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- a_and((int *)p, v);
- a_and((int *)p+1, v>>32);
-#else
- a_and((int *)p+1, v);
- a_and((int *)p, v>>32);
-#endif
+ union { uint64_t v; uint32_t r[2]; } u = { v };
+ a_and((int *)p, u.r[0]);
+ a_and((int *)p+1, u.r[1]);
}
static inline void a_or_64(volatile uint64_t *p, uint64_t v)
{
}
static inline void a_or_64(volatile uint64_t *p, uint64_t v)
{
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- a_or((int *)p, v);
- a_or((int *)p+1, v>>32);
-#else
- a_or((int *)p+1, v);
- a_or((int *)p, v>>32);
-#endif
+ union { uint64_t v; uint32_t r[2]; } u = { v };
+ a_or((int *)p, u.r[0]);
+ a_or((int *)p+1, u.r[1]);
}
#endif
}
#endif