Hi,
this patch disables TYPE_MODE comparing when we care about address only.
I already disabled other matching of types, but missed this one as it is
placed later in the function body.
Bootstrapped/regtested x86_64-linux, OK?
Honza
* fold-const.c (operand_equal_p): Do not compare TYPE_MODE when
only address matters.
Index: fold-const.c
===================================================================
--- fold-const.c (revision 229153)
+++ fold-const.c (working copy)
@@ -2809,11 +2809,12 @@ operand_equal_p (const_tree arg0, const_
return 0;
}
- /* This is needed for conversions and for COMPONENT_REF.
- Might as well play it safe and always test this. */
+ /* When not checking adddresses, this is needed for conversions and for
+ COMPONENT_REF. Might as well play it safe and always test this. */
if (TREE_CODE (TREE_TYPE (arg0)) == ERROR_MARK
|| TREE_CODE (TREE_TYPE (arg1)) == ERROR_MARK
- || TYPE_MODE (TREE_TYPE (arg0)) != TYPE_MODE (TREE_TYPE (arg1)))
+ || (TYPE_MODE (TREE_TYPE (arg0)) != TYPE_MODE (TREE_TYPE (arg1))
+ && !(flags & OEP_ADDRESS_OF)))
return 0;
/* If ARG0 and ARG1 are the same SAVE_EXPR, they are necessarily equal.
