------- Additional Comments From amylaar at gcc dot gnu dot org 2005-03-07 20:01 ------- Created an attachment (id=8353) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=8353&action=view) patch against 3.4
The previous patch had the problem that the non-existence of a MEM_EXPR was taken to mean that no static variable is involved. This updated patch uses a MEM_EXPR with the new special node unspecified_indirect_ref_node to indicate that no static variable is involved. Thus, when two MEMs are merged and thus loose their MEM_EXPR, the optimization should still be safe. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20367
