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

   1 #include "tree-vect.h"
   2
   3 extern float copysignf (float, float);
   4 extern float sqrtf (float);
   5 extern float fabsf (float);
   6 extern void abort (void);
   7 float a[64], b[64], c[64], d[64];
   8
   9 __attribute__((noinline, noclone)) void
  10 f1 (void)
  11 {
  12   a[0] = copysignf (b[0], c[0]) + 1.0f + sqrtf (d[0]);
  13   a[1] = copysignf (b[1], c[1]) + 2.0f + sqrtf (d[1]);
  14   a[2] = copysignf (b[2], c[2]) + 3.0f + sqrtf (d[2]);
  15   a[3] = copysignf (b[3], c[3]) + 4.0f + sqrtf (d[3]);
  16   a[4] = copysignf (b[4], c[4]) + 5.0f + sqrtf (d[4]);
  17   a[5] = copysignf (b[5], c[5]) + 6.0f + sqrtf (d[5]);
  18   a[6] = copysignf (b[6], c[6]) + 7.0f + sqrtf (d[6]);
  19   a[7] = copysignf (b[7], c[7]) + 8.0f + sqrtf (d[7]);
  20 }
  21
  22 __attribute__((noinline, noclone)) int
  23 main1 ()
  24 {
  25   int i;
  26
  27   for (i = 0; i < 8; i++)
  28     {
  29       asm ("");
  30       b[i] = (i & 1) ? -4 * i : 4 * i;
  31       c[i] = (i & 2) ? -8 * i : 8 * i;
  32       d[i] = i * i;
  33     }
  34   f1 ();
  35   for (i = 0; i < 8; i++)
  36     if (fabsf (((i & 2) ? -4 * i : 4 * i) + 1 + i + i - a[i]) >= 0.0001f)
  37       abort ();
  38   return 0;
  39 }
  40
  41 int
  42 main ()
  43 {
  44   check_vect ();
  45   return main1 ();
  46 }
  47
  48 /* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp2" { target { vect_call_copysignf && vect_call_sqrtf } } } } */