gcc/testsuite/gcc.dg/pr105333.c

   1 /* PR rtl-optimization/105333 */
   2 /* { dg-do compile { target int128 } } */
   3 /* { dg-options "-Og -fno-tree-coalesce-vars -fno-tree-fre" } */
   4
   5 int g;
   6 short s;
   7
   8 static inline unsigned short
   9 bar (short a, __int128 b)
  10 {
  11   b ^= (unsigned long) -a;
  12   __builtin_strncpy ((void *) &s, (void *) &a, 1);
  13   b *= 14;
  14   return b;
  15 }
  16
  17 void
  18 foo (void)
  19 {
  20   g *= (__int128) bar (1, 1);
  21 }