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[Bug middle-end/30798] mode_dependent_address_p not checked when simplifying subreg
- From: "TabonyEE at austin dot rr dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Mar 2007 18:57:27 -0000
- Subject: [Bug middle-end/30798] mode_dependent_address_p not checked when simplifying subreg
- References: <bug-30798-12896@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from TabonyEE at austin dot rr dot com 2007-03-11 18:57 -------
By the way, I think emit-rtl.c: change_address_1 could at least use an assert
that if the modes are different and the addresses are the same, then
mode_dependent_address_p is not true. That is unless change_address_1 can be
used to change the semantics of a mem.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30798