Hi Folks,
Can some one shed some light on this? I am trying to
compile a package named tmpi and in one particular
file i get this error and the person who wrote the
code is unable to help.
gcc version : 3.2.2 20030222
Processor : Athlon.
__inline__ int cas32(volatile int *addr, int old, int
new)
{
char ret;
__asm__ __volatile__(LOCK_PREFIX
"cmpxchg %2, %1\n\t" /* swap values if current
value is known */
"sete %0" /* read
success/fail from EF */
: "=q" (ret), "=m" (ADDR)
: "r" (new), "a" (old)
:
"%eax" );
return (int)ret;
}
error:
----------
make[3]: [clean] Error 1 (ignored)
cc -O -Wall -I. -D__SMP__ -c -o atomic.o atomic.c
atomic.c: In function `casp':
atomic.c:28: warning: cast from pointer to integer of
different size
atomic.c:28: warning: cast from pointer to integer of
different size
atomic.c: In function `cas32':
atomic.c:7: can't find a register in class `AREG'
while reloading `asm'
make: *** [atomic.o] Error 1
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