Subversion Repositories openrisc_2011-10-31

/* PR optimization/11634 */

/* The following code used to ICE in verify_local_live_at_start on

   PA when compiled with -O2.  The cause was that split_all_insns was

   not updating liveness information when deleting no-op moves that

   had REG_UNUSED notes.  */

/* { dg-do compile { target hppa*-*-* } } */

/* { dg-options "-O2" } */

void *f(void *s);

void H5T_conv_vlen (unsigned long long nelmts, unsigned char *bg_ptr)

{

  long long seq_len;

  unsigned long long bg_seq_len = 0;

  unsigned src_base_size, dst_base_size;

  void *tmp_buf = 0;

  unsigned tmp_buf_size = 0;

  unsigned long long elmtno;

  for (elmtno = 0; elmtno < nelmts; elmtno++)

    {

      unsigned char *tmp = bg_ptr;

      bg_seq_len = *tmp;

      if (bg_seq_len > 0

          && tmp_buf_size <

          (unsigned) (bg_seq_len *

                      (src_base_size > dst_base_size

                       ? src_base_size

                       : dst_base_size)))

        {

          tmp_buf_size =

            (unsigned) (bg_seq_len *

                        (src_base_size > dst_base_size

                         ? src_base_size

                         : dst_base_size));

        }

      if (bg_seq_len < seq_len)

        f ((unsigned char *) tmp_buf + dst_base_size * bg_seq_len);

    }

}