gnu/dist/gcc4/gcc/testsuite/gcc.dg/fold-mod-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-gimple" } */
   3
   4 #define ABS(x) (x > 0 ? x : -x)
   5
   6 unsigned int f (unsigned int a) {
   7         /* (unsigned)-8 is not a power of 2.  */
   8         return a % -8;
   9 }
  10
  11 int g (int b) {
  12         return ABS (b) % -8;
  13 }
  14
  15 int h (int c) {
  16         return ABS (c) % 8;
  17 }
  18
  19 unsigned int k (unsigned int d) {
  20         return d % 8;
  21 }
  22
  23 /* { dg-final { scan-tree-dump "a % (4294967288|0fffffff8)" "gimple" } } */
  24 /* { dg-final { scan-tree-dump-times " & 7" 3 "gimple" } } */
  25 /* { dg-final { cleanup-tree-dump "gimple" } } */