gcc/testsuite/gcc.dg/pr78540.c

   1 /* PR middle-end/78540 */
   2 /* { dg-do compile { target int128 } } */
   3 /* { dg-options "-O2 -Wno-psabi" } */
   4 /* { dg-additional-options "-march=core2" { target i?86-*-* x86_64-*-* } } */
   5
   6 typedef unsigned __int128 V __attribute__ ((vector_size (64)));
   7 V g;
   8
   9 static inline V
  10 foo (V a)
  11 {
  12   V b, c;
  13   c[0] = 0;
  14   a += 2281559097;
  15   c ^= 0;
  16   b[0] = 0;
  17   return 1 + c + b + a;
  18 }
  19
  20 V
  21 bar ()
  22 {
  23   V a = g, b = g;
  24   a[1] ^= 1;
  25   b[foo (a)[0] & 3] |= 1;
  26   return b;
  27 }