12 lines
355 B
C
12 lines
355 B
C
|
/* { dg-do compile { target { powerpc*-*-* } } } */
|
||
|
|
/* { dg-require-effective-target lp64 } */
|
||
|
|
/* { dg-options "-O -mno-popcntb" } */
|
||
|
|
/* { dg-final { scan-assembler-not "stwbrx" } } */
|
||
|
|
|
||
|
|
void
|
||
|
|
write_reverse (unsigned long *addr, unsigned long val)
|
||
|
|
{
|
||
|
|
unsigned long reverse = __builtin_bswap64 (val);
|
||
|
|
__atomic_store_n (addr, reverse, __ATOMIC_RELAXED);
|
||
|
|
}
|