Subversion Repositories openrisc

/* PR rtl-optimization/46777 */

/* { dg-do compile } */

/* { dg-options "-fgcse -O -fno-tree-dominator-opts -funroll-loops" } */

struct S { char s[256]; };

static inline int

foo (int x, int y)

{

  switch (x)

    {

    case 1:

    case 2:

      return 3;

    case 3:

    case 4:

      return 2;

    case 5:

      switch (y)

        {

        case 4:

          return 1;

        }

    }

  return 0;

}

void

bar (struct S *x, int *y, int *z, int **w)

{

  switch (*y ? x->s[*y] : foo (y[1], y[0]))

    {

    case 3:

      if (y + 2 == z)

        for (;;)

          {

            y += 2;

            switch (*y ? x->s[*y] : foo (y[1], y[0]))

              {

              case 6:

                break;

              default:

                *w = y;

              }

            if (y == z)

              break;

          }

    }

}