gcc/testsuite/gcc.dg/vect/fast-math-bb-slp-call-1.c

#include "tree-vect.h"

extern float copysignf (float, float);
extern float sqrtf (float);
extern float fabsf (float);
extern void abort (void);
float a[64], b[64], c[64], d[64];

__attribute__((noinline, noclone)) void
f1 (void)
{
  a[0] = copysignf (b[0], c[0]) + 1.0f + sqrtf (d[0]);
  a[1] = copysignf (b[1], c[1]) + 2.0f + sqrtf (d[1]);
  a[2] = copysignf (b[2], c[2]) + 3.0f + sqrtf (d[2]);
  a[3] = copysignf (b[3], c[3]) + 4.0f + sqrtf (d[3]);
  a[4] = copysignf (b[4], c[4]) + 5.0f + sqrtf (d[4]);
  a[5] = copysignf (b[5], c[5]) + 6.0f + sqrtf (d[5]);
  a[6] = copysignf (b[6], c[6]) + 7.0f + sqrtf (d[6]);
  a[7] = copysignf (b[7], c[7]) + 8.0f + sqrtf (d[7]);
}

__attribute__((noinline, noclone)) int
main1 ()
{
  int i;

  for (i = 0; i < 8; i++)
    {
      asm ("");
      b[i] = (i & 1) ? -4 * i : 4 * i;
      c[i] = (i & 2) ? -8 * i : 8 * i;
      d[i] = i * i;
    }
  f1 ();
  for (i = 0; i < 8; i++)
    if (fabsf (((i & 2) ? -4 * i : 4 * i) + 1 + i + i - a[i]) >= 0.0001f)
      abort ();
  return 0;
}

int
main ()
{
  check_vect ();
  return main1 ();
}

/* { dg-final { scan-tree-dump-times "optimized: basic block" 1 "slp2" { target { vect_call_copysignf && vect_call_sqrtf } } } } */