gcc/testsuite/gcc.dg/pr102140.c

   1 /* PR target/102140 */
   2 /* { dg-do compile { target int128 } } */
   3 /* { dg-options "-Og -fipa-cp -fno-tree-ccp -fno-tree-ter -Wno-psabi" } */
   4
   5 typedef int __attribute__((__vector_size__ (64))) U;
   6 typedef __int128 __attribute__((__vector_size__ (64))) V;
   7
   8 int a, b;
   9
  10 static void
  11 bar (char c, V v)
  12 {
  13   v *= c;
  14   U u = a + (U) v;
  15   (union { U b; }) { u };
  16   b = 0;
  17 }
  18
  19 void
  20 foo (void)
  21 {
  22   bar (1, (V){((__int128) 9223372036854775808ULL) << 64});
  23 }