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[Bug c/49923] __attirubte__((packed)) on ARM is sometimes dropped
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 2 Aug 2011 13:13:26 +0000
- Subject: [Bug c/49923] __attirubte__((packed)) on ARM is sometimes dropped
- Auto-submitted: auto-generated
- References: <bug-49923-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49923
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-02 13:11:40 UTC ---
It's easy - misaligned accesses on strict-align targets are a PITA. IPA-SRA
needs similar adjustments as scalar SRA to keep memory references in
the component-ref style form which is the only one that the expander "properly"
handles.