gcc/testsuite/gcc.target/m68k/pr25111.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 /* { dg-final { scan-assembler-times "bset" 1 } } */
   5 /* { dg-final { scan-assembler-times "bchg" 1 } } */
   6 /* { dg-final { scan-assembler-times "bclr" 1 } } */
   7
   8 int bar (void);
   9
  10 int
  11 foo1 (int b)
  12 {
  13   int a = bar ();
  14   return ( a | (1 << (b & 31)));
  15 }
  16
  17 int
  18 foo2 (int b)
  19 {
  20   int a = bar ();
  21   return ( a ^ (1 << (b & 31)));
  22 }
  23
  24
  25 int
  26 foo3 (int b)
  27 {
  28   int a = bar ();
  29   return ( a & ~(1 << (b & 31)));
  30 }
  31
  32