gcc/testsuite/gcc.dg/pr78644-1.c

   1 /* { dg-do compile { target int128 } } */
   2 /* { dg-options "-Og -fipa-cp -w -Wno-psabi" } */
   3
   4 typedef unsigned __int128 u128;
   5 typedef unsigned __int128 V __attribute__ ((vector_size (64)));
   6
   7 V x4;
   8
   9 static V
  10 bar (u128 x2, u128 x3)
  11 {
  12   while (x4[0]--)
  13     x2 /= x3 >>= 1;
  14   return x2 + x3 + x4;
  15 }
  16
  17 void
  18 foo (void)
  19 {
  20   bar (0, 0);
  21 }