1      subroutine s231 (ntimes,ld,n,ctime,dtime,a,b,c,d,e,aa,bb,cc)
2c
3c     loop interchange
4c     loop with multiple dimension recursion
5c
6      integer ntimes, ld, n, i, nl, j
7      double precision a(n), b(n), c(n), d(n), e(n), aa(ld,n),
8     +                 bb(ld,n), cc(ld,n)
9      double precision chksum, cs2d
10      real t1, t2, second, ctime, dtime
11
12      call init(ld,n,a,b,c,d,e,aa,bb,cc,'s231 ')
13      t1 = second()
14      do 1 nl = 1,ntimes/n
15      do 10 i=1,n
16         do 20 j=2,n
17            aa(i,j) = aa(i,j-1) + bb(i,j)
18   20    continue
19   10 continue
20      call dummy(ld,n,a,b,c,d,e,aa,bb,cc,1.d0)
21   1  continue
22      t2 = second() - t1 - ctime - ( dtime * float(ntimes/n) )
23      chksum = cs2d(n,aa)
24      call check (chksum,(ntimes/n)*n*(n-1),n,t2,'s231 ')
25      return
26      end
27
28! { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } }
29! { dg-final { cleanup-tree-dump "graphite" } }
30