Re: [Bugme-new] [Bug 7602] New: Failure on compilation: include/asm/bitops.h:122: error: inconsistent operand constraints in an `asm' in nfs_access_add_cache()
- From: Andi Kleen <ak@xxxxxxx>
- Date: Thu, 30 Nov 2006 23:22:00 +0100
static __inline__ int __test_and_set_bit(int nr, volatile void * addr)
{
int oldbit;
__asm__(
"btsl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"+m" (ADDR)
:"dIr" (nr));
return oldbit;
}
explodes with gcc-3.4.4.
Known issue. The new form is correct and needed, but the old gcc doesn't accept
it. I haven't gotten a form that is both and correct and works on the old compiler
out of the gcc hackers I asked.
Probably need to #ifdef it.
-Andi
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