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! Test the MERGE_BITS intrinsic
!
! { dg-do run }
! { dg-options "-ffree-line-length-none" }
interface run_merge
procedure run_merge_1
procedure run_merge_2
procedure run_merge_4
procedure run_merge_8
end interface
#define CHECK(I,J,K) \
if (merge_bits(I,J,K) /= ior(iand(I,K),iand(J,not(K)))) call abort ; \
if (run_merge(I,J,K) /= merge_bits(I,J,K)) call abort
CHECK(13_1,18_1,22_1)
CHECK(-13_1,18_1,22_1)
CHECK(13_1,-18_1,22_1)
CHECK(13_1,18_1,-22_1)
CHECK(13_2,18_2,22_2)
CHECK(-13_2,18_2,22_2)
CHECK(13_2,-18_2,22_2)
CHECK(13_2,18_2,-22_2)
CHECK(13_4,18_4,22_4)
CHECK(-13_4,18_4,22_4)
CHECK(13_4,-18_4,22_4)
CHECK(13_4,18_4,-22_4)
CHECK(13_8,18_8,22_8)
CHECK(-13_8,18_8,22_8)
CHECK(13_8,-18_8,22_8)
CHECK(13_8,18_8,-22_8)
contains
function run_merge_1 (i, j, k) result(res)
integer(kind=1) :: i, j, k, res
res = merge_bits(i,j,k)
end function
function run_merge_2 (i, j, k) result(res)
integer(kind=2) :: i, j, k, res
res = merge_bits(i,j,k)
end function
function run_merge_4 (i, j, k) result(res)
integer(kind=4) :: i, j, k, res
res = merge_bits(i,j,k)
end function
function run_merge_8 (i, j, k) result(res)
integer(kind=8) :: i, j, k, res
res = merge_bits(i,j,k)
end function
end
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