aboutsummaryrefslogtreecommitdiff
path: root/gcc/gimple-fold.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/gimple-fold.c')
-rw-r--r--gcc/gimple-fold.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c
index 8a48316..033023a 100644
--- a/gcc/gimple-fold.c
+++ b/gcc/gimple-fold.c
@@ -38,9 +38,9 @@ along with GCC; see the file COPYING3. If not see
tree
get_symbol_constant_value (tree sym)
{
- if (TREE_STATIC (sym)
- && (TREE_READONLY (sym)
- || TREE_CODE (sym) == CONST_DECL))
+ if ((TREE_STATIC (sym) || DECL_EXTERNAL (sym))
+ && (TREE_CODE (sym) == CONST_DECL
+ || varpool_get_node (sym)->const_value_known))
{
tree val = DECL_INITIAL (sym);
if (val)
@@ -65,8 +65,6 @@ get_symbol_constant_value (tree sym)
have zero as the initializer if they may not be
overridden at link or run time. */
if (!val
- && !DECL_EXTERNAL (sym)
- && targetm.binds_local_p (sym)
&& (INTEGRAL_TYPE_P (TREE_TYPE (sym))
|| SCALAR_FLOAT_TYPE_P (TREE_TYPE (sym))))
return fold_convert (TREE_TYPE (sym), integer_zero_node);