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-rw-r--r--gcc/fortran/ChangeLog10
-rw-r--r--gcc/fortran/options.c4
-rw-r--r--gcc/fortran/resolve.c2
-rw-r--r--gcc/fortran/symbol.c2
-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/gfortran.dg/save_1.f9030
-rw-r--r--gcc/testsuite/gfortran.fortran-torture/execute/save_1.f9029
7 files changed, 81 insertions, 2 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 76b0344e73c..a376443fc9f 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,13 @@
+2005-09-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/23677
+ * symbol.c (gfc_is_var_automatic): Return true if character length
+ is non-constant rather than constant.
+ * resolve.c (gfc_resolve): Don't handle !gfc_option.flag_automatic
+ here.
+ * options.c (gfc_post_options): Set gfc_option.flag_max_stack_var_size
+ to 0 for -fno-automatic.
+
2005-09-23 Paul Thomas <pault@gcc.gnu.org>
PR fortran/16861
diff --git a/gcc/fortran/options.c b/gcc/fortran/options.c
index 693ac71dc84..48df6746d2d 100644
--- a/gcc/fortran/options.c
+++ b/gcc/fortran/options.c
@@ -223,6 +223,10 @@ gfc_post_options (const char **pfilename)
if (gfc_option.flag_second_underscore == -1)
gfc_option.flag_second_underscore = gfc_option.flag_f2c;
+ /* Implement -fno-automatic as -fmax-stack-var-size=0. */
+ if (!gfc_option.flag_automatic)
+ gfc_option.flag_max_stack_var_size = 0;
+
return false;
}
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 88e7d185280..a048da59fc7 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -5107,7 +5107,7 @@ gfc_resolve (gfc_namespace * ns)
gfc_traverse_ns (ns, resolve_values);
- if (!gfc_option.flag_automatic || ns->save_all)
+ if (ns->save_all)
gfc_save_all (ns);
iter_stack = NULL;
diff --git a/gcc/fortran/symbol.c b/gcc/fortran/symbol.c
index acae453e72c..de2de4b6a60 100644
--- a/gcc/fortran/symbol.c
+++ b/gcc/fortran/symbol.c
@@ -2345,7 +2345,7 @@ gfc_is_var_automatic (gfc_symbol * sym)
/* Check for non-constant length character variables. */
if (sym->ts.type == BT_CHARACTER
&& sym->ts.cl
- && gfc_is_constant_expr (sym->ts.cl->length))
+ && !gfc_is_constant_expr (sym->ts.cl->length))
return true;
return false;
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9725d207359..2e060cb900e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2005-09-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/23677
+ * gfortran.fortran-torture/execute/save_1.f90: New test.
+ * gfortran.dg/save_1.f90: New test.
+
2005-09-26 Uros Bizjak <uros@kss-loka.si>
* gcc.target/i386/builtin-apply-mmx.c: New test.
diff --git a/gcc/testsuite/gfortran.dg/save_1.f90 b/gcc/testsuite/gfortran.dg/save_1.f90
new file mode 100644
index 00000000000..614986277a8
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/save_1.f90
@@ -0,0 +1,30 @@
+! { dg-options "-O2 -fno-automatic" }
+ subroutine foo (b)
+ logical b
+ integer i, j
+ character*24 s
+ save i
+ if (b) then
+ i = 26
+ j = 131
+ s = 'This is a test string'
+ else
+ if (i .ne. 26 .or. j .ne. 131) call abort
+ if (s .ne. 'This is a test string') call abort
+ end if
+ end subroutine foo
+ subroutine bar (s)
+ character*42 s
+ if (s .ne. '0123456789012345678901234567890123456') call abort
+ call foo (.false.)
+ end subroutine bar
+ subroutine baz
+ character*42 s
+ ! Just clobber stack a little bit.
+ s = '0123456789012345678901234567890123456'
+ call bar (s)
+ end subroutine baz
+ call foo (.true.)
+ call baz
+ call foo (.false.)
+ end
diff --git a/gcc/testsuite/gfortran.fortran-torture/execute/save_1.f90 b/gcc/testsuite/gfortran.fortran-torture/execute/save_1.f90
new file mode 100644
index 00000000000..c838baa9874
--- /dev/null
+++ b/gcc/testsuite/gfortran.fortran-torture/execute/save_1.f90
@@ -0,0 +1,29 @@
+ subroutine foo (b)
+ logical b
+ integer i, j
+ character*24 s
+ save
+ if (b) then
+ i = 26
+ j = 131
+ s = 'This is a test string'
+ else
+ if (i .ne. 26 .or. j .ne. 131) call abort
+ if (s .ne. 'This is a test string') call abort
+ end if
+ end subroutine foo
+ subroutine bar (s)
+ character*42 s
+ if (s .ne. '0123456789012345678901234567890123456') call abort
+ call foo (.false.)
+ end subroutine bar
+ subroutine baz
+ character*42 s
+ ! Just clobber stack a little bit.
+ s = '0123456789012345678901234567890123456'
+ call bar (s)
+ end subroutine baz
+ call foo (.true.)
+ call baz
+ call foo (.false.)
+ end