Viewing file:  pr63661.c (1.14 KB) -rw-r--r--
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/* PR target/63661 */
/* { dg-do run } */
/* { dg-require-effective-target fpic } */
/* { dg-options "-mtune=nehalem -fPIC -O2" } */
static void __attribute__((noinline,noclone,hot))
foo (double a, double q, double *ff, double *gx, int e, int ni)
{
union
{
double n;
unsigned long long o;
} punner;
double d;
punner.n = q;
__builtin_printf("B: 0x%016llx ---- %g\n", punner.o, q);
d = q - 5;
if(d < 0)
d = -d;
if (d > 0.1)
__builtin_abort();
}
static int __attribute__((noinline,noclone,hot))
bar (int order, double q, double c[])
{
int ni, nn, i, e;
double g2, x2, de, s, ratio, ff;
nn = 0;
e = order & 1;
s = 0;
ratio = 0;
x2 = 0;
g2 = 0;
if(q == 0.0)
return 0;
if (order < 5)
{
ratio = 1.0 / q;
nn = order;
}
ni = -nn;
while(1)
{
de = ratio - g2 - x2;
foo (0, q, &ff, &g2, e, ni);
if((int)de == 0)
break;
}
s += 2 * nn * c[nn];
for (i = 0; i < 1; i++)
{
c[0] = nn;
for (; i < 10; i++)
c[i] = 0.0;
c[0] /= s;
}
return 0;
}
int
main ()
{
double c[1000];
bar (1, 5.0, c);
return 0;
}
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