gcc/testsuite/gcc.dg/torture/pr47744-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fpic" { target fpic } } */
   3
   4 typedef int int32_t;
   5 static const int init_jk[] = {2,3,4,6};
   6  int __kernel_rem_pio2(double *x, double *y, int e0, int nx, int prec, const int32_t *ipio2)
   7 {
   8  int32_t jz,jx,jv,jp,jk,carry,n,iq[20],i,j,k,m,q0,ih;
   9  double z,fw,f[20],fq[20],q[20];
  10  jk = init_jk[prec];
  11  jp = jk;
  12  jx = nx-1;
  13  for (i=0;i<=jk;i++) {
  14      for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
  15  }
  16  for(i=0,j=jz,z=q[jz];j>0;i++,j--) {
  17      z = q[j-1]+fw;
  18  }
  19  n = (int32_t) z;
  20  return n&7;
  21 }