diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/stack_varsize.f90')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/stack_varsize.f90 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/stack_varsize.f90 b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/stack_varsize.f90 new file mode 100644 index 000000000..6342e1a40 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/stack_varsize.f90 @@ -0,0 +1,30 @@ +! Program to test the stack variable size limit. +program stack + call sub1 + call sub2 (1) +contains + + ! Local variables larger than 32768 in byte size shall be placed in static + ! storage area, while others be put on stack by default. + subroutine sub1 + real a, b(32768/4), c(32768/4+1) + integer m, n(1024,4), k(1024,1024) + a = 10.0 + b = 20.0 + c = 30.0 + m = 10 + n = 20 + k = 30 + if ((a .ne. 10.0).or.(b(1) .ne. 20.0).or.(c(1) .ne. 30.0)) call abort + if ((m .ne. 10).or.(n(256,4) .ne. 20).or.(k(1,1024) .ne. 30)) call abort + end subroutine + + ! Local variables defined in recursive subroutine are always put on stack. + recursive subroutine sub2 (n) + real a (32769) + a (1) = 42 + if (n .ge. 1) call sub2 (n-1) + if (a(1) .ne. 42) call abort + a (1) = 0 + end subroutine +end |