gcc/testsuite/gcc.target/i386/pr71346.c

   1 /* PR target/71346 */
   2 /* { dg-do compile { target { ! ia32 } }  } */
   3 /* { dg-options "-O2 -ftree-vectorize -ffast-math -march=knl" } */
   4
   5 typedef int rvec[3];
   6 int a;
   7 float b, c, d, g;
   8 rvec *e, *f;
   9 void fn2(float h, float g);
  10
  11 void
  12 fn1()
  13 {
  14   float h;
  15   for (; a; a++) {
  16     h += e[a][0] * f[a][0];
  17     b += e[a][0] * f[a][1];
  18     c += e[a][2] * f[a][0];
  19     d += e[a][2] * f[a][1];
  20     g += e[a][2] * f[a][2];
  21   }
  22   fn2(h, g);
  23 }
  24
  25 /* { dg-final { scan-assembler-not "vshufps\[ \\t\]+\[^\n\]*%\xmm(?:1\[6-9\]|\[2-3\]\[0-9\])" } } */