gcc/testsuite/gcc.dg/vect/bb-slp-57.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-ffast-math" } */
   3 /* { dg-require-effective-target vect_float } */
   4
   5 float *a;
   6 typedef struct {
   7   int c;
   8   float bbmax[3];
   9 } d;
  10 d e;
  11 int f[3];
  12 int g, h, i, j;
  13 float k, k;
  14 void l()
  15 {
  16   for (unsigned z = 0; z < 2048; ++z) {
  17     {
  18       j = e.bbmax[1] > k ? e.bbmax[1] : k;
  19     }
  20     e.bbmax[1] = j;
  21     { i = e.bbmax[2] > k ? e.bbmax[2] : k; }
  22     e.bbmax[2] = i;
  23     f[2] = a[2];
  24     {
  25       float b;
  26       h = e.bbmax[1] > b ? e.bbmax[1] : b;
  27     }
  28     e.bbmax[1] = h;
  29     {
  30       float b;
  31       g = e.bbmax[2] > b ? e.bbmax[2] : b;
  32     }
  33     e.bbmax[2] = g;
  34   }
  35 }
  36
  37 /* { dg-final { scan-tree-dump-times "transform load" 1 "slp1" { target { { x86_64-*-* i?86-*-* } && lp64 } } } } */
  38 /* { dg-final { scan-tree-dump "optimized: basic block" "slp1" { target { { x86_64-*-* i?86-*-* } && lp64 } } } } */