gcc/testsuite/gcc.target/powerpc/pr16458-4.c

   1 /* Test cse'ing of unsigned compares.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fno-jump-tables" } */
   4
   5 /* The following tests fail due to an issue in expand not
   6    attaching an type expression information on *index's reg rtx.  */
   7
   8 /* { dg-final { scan-assembler-not "cmpwi" } } */
   9 /* { dg-final { scan-assembler-times "cmplwi" 5 } } */
  10
  11 extern int case0 (void);
  12 extern int case1 (void);
  13 extern int case2 (void);
  14 extern int case3 (void);
  15 extern int case4 (void);
  16
  17 enum CASE_VALUES
  18 {
  19   CASE0 = 1,
  20   CASE1,
  21   CASE2,
  22   CASE3,
  23   CASE4
  24 };
  25
  26 int
  27 foo (enum CASE_VALUES *index)
  28 {
  29   switch (*index)
  30     {
  31     case CASE0:
  32       return case0 ();
  33     case CASE1:
  34       return case1 ();
  35     case CASE2:
  36       return case2 ();
  37     case CASE3:
  38       return case3 ();
  39     case CASE4:
  40       return case4 ();
  41     }
  42
  43   return 0;
  44 }