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/* PR optimization/10955 */
/* Originator: <heinrich.brand@fujitsu-siemens.com> */
/* This used to fail on SPARC32 at -O3 because the loop unroller
wrongly thought it could eliminate a pseudo in a loop, while
the pseudo was used outside the loop. */
extern void abort(void);
#define COMPLEX struct CS
COMPLEX {
long x;
long y;
};
static COMPLEX CCID (COMPLEX x)
{
COMPLEX a;
a.x = x.x;
a.y = x.y;
return a;
}
static COMPLEX CPOW (COMPLEX x, int y)
{
COMPLEX a;
a = x;
while (--y > 0)
a=CCID(a);
return a;
}
static int c5p (COMPLEX x)
{
COMPLEX a,b;
a = CPOW (x, 2);
b = CCID( CPOW(a,2) );
return (b.x == b.y);
}
int main (void)
{
COMPLEX x;
x.x = -7;
x.y = -7;
if (!c5p(x))
abort();
return 0;
}
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