gcc/testsuite/gcc.target/i386/pr77833.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target int128 } */
   3 /* { dg-options "-O -mavx512f" } */
   4
   5 typedef unsigned long V __attribute__((vector_size(64)));
   6 typedef unsigned __int128 W __attribute__((vector_size(64)));
   7
   8 V
   9 foo(int i, V v)
  10 {
  11   i *= ((W)(V){0, 0, 0, 0, 0, 1, v[0]})[2];
  12   v[i] = 0;
  13   i--;
  14   return v + i;
  15 }