gcc/testsuite/gcc.target/sh/pr52933-3.c

   1 /* Check that the div0s instruction is used for integer sign comparisons.  */
   2 /* { dg-do compile }  */
   3 /* { dg-options "-O2" } */
   4 /* { dg-final { scan-assembler-times "div0s" 2 } } */
   5
   6 typedef struct { unsigned int arg[100]; } *FunctionCallInfo;
   7 typedef struct { int day; int month; } Interval;
   8 void* palloc (unsigned int);
   9 int bar (void);
  10 void baz (void);
  11
  12 void
  13 interval_pl (FunctionCallInfo fcinfo)
  14 {
  15   Interval *span1 = ((Interval *) ((char *) ((fcinfo->arg[0]))));
  16   Interval *span2 = ((Interval *) ((char *) ((fcinfo->arg[1]))));
  17   Interval *result = (Interval *) palloc (sizeof (Interval));
  18
  19   /* Should emit 2x div0s.  */
  20   if ((((span1->month) < 0) == ((span2->month) < 0))
  21       && !(((result->month) < 0) == ((span1->month) < 0)))
  22     do {
  23       if (bar ())
  24         baz ();
  25     } while(0);
  26   result->day = span1->day + span2->day;
  27 }