diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/common.f90')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/common.f90 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/common.f90 b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/common.f90 new file mode 100644 index 000000000..2ea1788eb --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/common.f90 @@ -0,0 +1,53 @@ +! Program to test COMMON and EQUIVALENCE. +program common + real (kind=8) a(8) + real (kind=8) b(5), c(5) + common /com1/b,c + equivalence (a(1), b(2)) + b = 100 + c = 200 + call common_pass + call common_par (a, b,c) + call global_equiv + call local_equiv +end + +! Use common block to pass values +subroutine common_pass + real (kind=8) a(8) + real (kind=8) b(5), c(5) + common /com1/b,c + equivalence (a(1), b(2)) + if (any (a .ne. (/100,100,100,100,200,200,200,200/))) call abort +end subroutine + +! Common variables as argument +subroutine common_par (a, b, c) + real (kind=8) a(8), b(5), c(5) + if (any (a .ne. (/100,100,100,100,200,200,200,200/))) call abort + if (any (b .ne. (/100,100,100,100,100/))) call abort + if (any (c .ne. (/200,200,200,200,200/))) call abort +end subroutine + +! Global equivalence +subroutine global_equiv + real (kind=8) a(8), b(5), c(5), x(8), y(4), z(4) + common /com2/b, c, y, z + equivalence (a(1), b(2)) + equivalence (x(4), y(1)) + b = 100 + c = 200 + y = 300 + z = 400 + if (any (a .ne. (/100,100,100,100,200,200,200,200/))) call abort + if (any (x .ne. (/200,200,200,300,300,300,300,400/))) call abort +end + +! Local equivalence +subroutine local_equiv + real (kind=8) a(8), b(10) + equivalence (a(1), b(3)) + b(1:5) = 100 + b(6:10) = 200 + if (any (a .ne. (/100,100,100,200,200,200,200,200/))) call abort +end subroutine |