emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.

        * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
        Free the struct.
        (mark_emit_status): Renamed from mark_emit_state.
        * except.c (mark_eh_status): Renamed from mark_eh_state.
        Check not null before marking.
        (free_eh_status): New.
        * expr.c (mark_expr_status, free_expr_status): New.
        * function.c (free_machine_status): New.
        (free_after_parsing): New.
        (free_after_compilation): Move bits to free_after_parsing; call
        free_eh_status, free_expr_status; zero the marked members of the
        function state.
        (prepare_function_start): No can_garbage_collect.
        Call init_eh_for_function.
        (expand_dummy_function_end): Free up current_function state.
        (mark_function_status): Renamed from mark_function_state.
        (mark_function_chain): No can_garbage_collect.  Call mark_expr_status.
        * function.h (struct function): No can_garbage_collect.
        (free_machine_status, free_after_parsing): Declare.
        (free_eh_status, free_expr_status): Declare.
        * ggc.h (mark_expr_status): Declare.
        * stmt.c (free_stmt_status): Free the struct.
        (mark_stmt_status): Renamed from mark_stmt_state.
        (init_stmt): Don't call init_eh.
        (init_stmt_for_function): Don't call init_eh_for_function.
        * toplev.c (compile_file): Call init_eh.
        (rest_of_compilation): Free basic block info before ggc_collect.
        Call free_after_parsing; conditionally call free_after_compilation.
        * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
        Check not null before marking.

From-SVN: r29448

1 files changed, 20 insertions, 0 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index c51a97a..daa06d0 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -290,6 +290,26 @@ init_expr ()
   forced_labels = 0;
 }
 
+void
+mark_expr_status (p)
+     struct expr_status *p;
+{
+  if (p == NULL)
+    return;
+
+  ggc_mark_rtx (p->x_saveregs_value);
+  ggc_mark_rtx (p->x_apply_args_value);
+  ggc_mark_rtx (p->x_forced_labels);
+}
+
+void
+free_expr_status (f)
+     struct function *f;
+{
+  free (f->expr);
+  f->expr = NULL;
+}
+
 /* Small sanity check that the queue is empty at the end of a function.  */
 void
 finish_expr_for_function ()