1! Test the SHIFTA, SHIFTL and SHIFTR intrinsics.
2!
3! { dg-do run }
4! { dg-options "-ffree-line-length-none" }
5! { dg-require-effective-target fortran_integer_16 }
6
7  implicit none
8
9#define CHECK(I,SHIFT,RESA,RESL,RESR) \
10  if (shifta(I,SHIFT) /= RESA) STOP 1; \
11  if (shiftr(I,SHIFT) /= RESR) STOP 2; \
12  if (shiftl(I,SHIFT) /= RESL) STOP 3; \
13  if (run_shifta(I,SHIFT) /= RESA) STOP 4; \
14  if (run_shiftr(I,SHIFT) /= RESR) STOP 5; \
15  if (run_shiftl(I,SHIFT) /= RESL) STOP 6; \
16  if (ishft(I,SHIFT) /= RESL) STOP 7; \
17  if (ishft(I,-SHIFT) /= RESR) STOP 8; \
18  if (run_ishft(I,SHIFT) /= RESL) STOP 9; \
19  if (run_ishft(I,-SHIFT) /= RESR) STOP 10
20
21  CHECK(0_16,0,0_16,0_16,0_16)
22  CHECK(11_16,0,11_16,11_16,11_16)
23  CHECK(-11_16,0,-11_16,-11_16,-11_16)
24  CHECK(0_16,1,0_16,0_16,0_16)
25  CHECK(11_16,1,5_16,22_16,5_16)
26  CHECK(11_16,2,2_16,44_16,2_16)
27  CHECK(-11_16,1,-6_16,-22_16,huge(0_16)-5_16)
28
29contains
30
31  function run_shifta (i, shift) result(res)
32    integer(kind=16) :: i, res
33    integer :: shift
34    res = shifta(i,shift)
35  end function
36  function run_shiftl (i, shift) result(res)
37    integer(kind=16) :: i, res
38    integer :: shift
39    res = shiftl(i,shift)
40  end function
41  function run_shiftr (i, shift) result(res)
42    integer(kind=16) :: i, res
43    integer :: shift
44    res = shiftr(i,shift)
45  end function
46  function run_ishft (i, shift) result(res)
47    integer(kind=16) :: i, res
48    integer :: shift
49    res = ishft(i,shift)
50  end function
51
52end
53