1  /* { dg-do compile }  */
       2  /* { dg-options "-O2 -fno-delayed-branch" }  */
       3  /* In this test we want to verify that combine canonicalizes the
       4     MULT into an ASHIFT which in turn allows postreload-gcse to
       5     find the common subexpression.
       6  
       7     Neither pass dumps stuff in a format that is particularly good
       8     for parsing here, so we count the shadd insns.  More is not
       9     necessarily better in this test.  If this test is too fragile
      10     over time we'll have to revisit the combine and/or postreload
      11     dumps.  Note we have disabled delay slot filling to improve
      12     test stability.  */
      13  /* { dg-final { scan-assembler-times "sh.add" 3 } }  */
      14  
      15  extern void oof (void);
      16  typedef struct simple_bitmap_def *sbitmap;
      17  struct simple_bitmap_def
      18  {
      19    unsigned char *popcount;
      20    unsigned int n_bits;
      21    unsigned long elms[1];
      22  };
      23  __inline__ void
      24  SET_BIT (sbitmap map, unsigned int bitno)
      25  {
      26    if (map->popcount)
      27      {
      28        unsigned char oldbit;
      29        oldbit =
      30  	((map)->elms[bitno / 64]);
      31        if (!oldbit)
      32  	oof ();
      33      }
      34    map->elms[bitno / 64] |= 1;
      35  }
      36  
      37  void
      38  fix_bb_placements (int indx1, int indx2, sbitmap in_queue)
      39  {
      40    SET_BIT (in_queue, indx1);
      41    SET_BIT (in_queue, indx2);
      42  }