gcc/testsuite/gcc.target/i386/pr78904-3.c

   1 /* PR target/78904 */
   2 /* { dg-do assemble } */
   3 /* { dg-options "-O2" } */
   4
   5 typedef __SIZE_TYPE__ size_t;
   6
   7 struct S1
   8 {
   9   unsigned char pad1;
  10   unsigned char val;
  11   unsigned short pad2;
  12 };
  13
  14 extern struct S1 t[256];
  15
  16 struct S1 test_and (struct S1 a, size_t i)
  17 {
  18   a.val &= t[i].val;
  19
  20   return a;
  21 }
  22
  23 struct S1 test_or (struct S1 a, size_t i)
  24 {
  25   a.val |= t[i].val;
  26
  27   return a;
  28 }
  29
  30 struct S1 test_xor (struct S1 a, size_t i)
  31 {
  32   a.val ^= t[i].val;
  33
  34   return a;
  35 }
  36
  37 struct S1 test_add (struct S1 a, size_t i)
  38 {
  39   a.val += t[i].val;
  40
  41   return a;
  42 }