| ! PR tree-optimization/65450 |
| ! { dg-do run } |
| ! { dg-additional-options "-mtune=amdfam10" { target x86_64-*-* i?86-*-* } } |
| |
| program pr65450 |
| integer :: n, m, o, i, k |
| double precision :: u(500,60,3), h(500,60,3) |
| double precision :: v(500,60) |
| u = 0 |
| h = 0 |
| o = 1 |
| m = 2 |
| n = 3 |
| do k = 1, 50 |
| v = foo (u(:,:,m)) |
| u(2:499,1:60,n) = u(2:499,1:60,o)+16.d0 |
| h(1:500,2:59,n) = h(1:500,2:59,o)-4.d0*v(1:500,2:59)-32.0d0 |
| i = o |
| o = m |
| m = n |
| n = i |
| end do |
| if (abs (v(17, 23) + h(17, 23, 2) + 768.0d0) > 0.5d0) STOP 1 |
| contains |
| function foo(a) |
| double precision :: a(:,:) |
| double precision :: foo(size(a,dim=1),size(a,dim=2)) |
| integer :: i, j |
| i = size(a,dim=1) |
| j = size(a,dim=2) |
| foo(2:i-1,1:j) = a(3:i,1:j)-a(1:i-2,1:j) |
| foo(1,1:j) = 2*(a(2,1:j)-a(1,1:j)) |
| foo(i,1:j) = 2*(a(i,1:j)-a(i-1,1:j)) |
| end function foo |
| end program pr65450 |
