------- Comment #19 from rguenth at gcc dot gnu dot org 2007-02-23 12:41 ------- Yeah, the fold-const.c chunk misses
+ /* We can compare x OP cst based on the value range of the type of + x. */ + if (TREE_CODE (arg1) == INTEGER_CST + && TREE_CODE (arg0) != INTEGER_CST + && !POINTER_TYPE_P (TREE_TYPE (arg0)) ^^^^ this line + && TYPE_MIN_VALUE (TREE_TYPE (arg0)) I don't think I'm folding pointer types, if arg1 is an integer constant arg0 is of integer type as well. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30911