| ! { dg-do run } |
| |
| ! PR fortran/35681 |
| ! Check that dependencies of MVBITS arguments are resolved correctly by using |
| ! temporaries if both arguments refer to the same variable. |
| |
| integer, dimension(10) :: ila1 = (/1,2,3,4,5,6,7,8,9,10/) |
| integer, dimension(20) :: ila2 |
| integer, dimension(10), target :: ila3 |
| integer, pointer :: ila3_ptr(:) |
| integer, parameter :: SHOULD_BE(10) = (/17,18,11,4,13,22,7,16,9,18/) |
| integer, parameter :: INDEX_VECTOR(10) = (/9,9,6,2,4,9,2,9,6,10/) |
| |
| ila2(2:20:2) = ila1 |
| ila3 = ila1 |
| |
| ! Argument is already packed. |
| call mvbits (ila1(INDEX_VECTOR), 2, 4, ila1, 3) |
| write (*,'(10(I3))') ila1 |
| if (any (ila1 /= SHOULD_BE)) STOP 1 |
| |
| ! Argument is not packed. |
| call mvbits (ila2(2*INDEX_VECTOR), 2, 4, ila2(2:20:2), 3) |
| write (*,'(10(I3))') ila2(2:20:2) |
| if (any (ila2(2:20:2) /= SHOULD_BE)) STOP 2 |
| |
| ! Pointer and target |
| ila3_ptr => ila3 |
| call mvbits (ila3(INDEX_VECTOR), 2, 4, ila3_ptr, 3) |
| write (*,'(10(I3))') ila3 |
| if (any (ila3 /= SHOULD_BE)) STOP 3 |
| |
| end |
