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authorRich Felker <dalias@aerifal.cx>2012-07-08 00:05:08 -0400
committerRich Felker <dalias@aerifal.cx>2012-07-08 00:05:08 -0400
commita3bdcd93764ba514ca83ccbc5c85fefaf18d31d7 (patch)
treeaf9c9a4e316ab8e9d143607397f9f32f7671d1eb /arch/arm
parentd93e028c6bbd491592313fc77e056f6424ea4668 (diff)
downloadmusl-a3bdcd93764ba514ca83ccbc5c85fefaf18d31d7.tar.gz
remove little-endian assumption from arm atomic.h
this hidden endian dependency had left big endian arm badly broken.
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/atomic.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/atomic.h b/arch/arm/atomic.h
index 8dc31b2e..f434a0c6 100644
--- a/arch/arm/atomic.h
+++ b/arch/arm/atomic.h
@@ -99,14 +99,16 @@ static inline void a_or(volatile int *p, int v)
static inline void a_and_64(volatile uint64_t *p, uint64_t v)
{
- a_and((int *)p, v);
- a_and((int *)p+1, v>>32);
+ 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)
{
- a_or((int *)p, v);
- a_or((int *)p+1, v>>32);
+ 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