gcc/testsuite/gcc.dg/divmod-4-simode.c

   1 /* { dg-require-effective-target divmod_simode } */
   2 /* { dg-options "-O2 -fdump-tree-widening_mul-details" } */
   3 /* mod comes before div in same bb.  */
   4
   5 typedef int SImode __attribute__((mode(SI)));
   6 typedef unsigned USImode __attribute__((mode(SI)));
   7
   8 extern int cond;
   9 void foo(void);
  10
  11 #define FOO(smalltype, bigtype, no)      \
  12 bigtype f_##no(smalltype x, bigtype y)   \
  13 {                                        \
  14   bigtype r = x % y;                     \
  15   bigtype q = x / y;                     \
  16   return q + r;                          \
  17 }
  18
  19 FOO(SImode, SImode, 1)
  20 FOO(SImode, USImode, 2)
  21 FOO(USImode, USImode, 3)
  22
  23 /* { dg-final { scan-tree-dump-times "DIVMOD" 3 "widening_mul" } } */