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[Bug middle-end/49721] convert_memory_address_addr_space may generate invalid new insns
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 3 Aug 2011 06:33:24 +0000
- Subject: [Bug middle-end/49721] convert_memory_address_addr_space may generate invalid new insns
- Auto-submitted: auto-generated
- References: <bug-49721-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49721
--- Comment #17 from Paolo Bonzini <bonzini at gnu dot org> 2011-08-03 06:32:42 UTC ---
H.J., I agree with what you write in comment 16. But unless we are sure that
the problematic composition will never be generated (e.g. by ivopts), we cannot
afford that.
The patch in comment 7 may have some snafu, but overall it looks very sane.
It's just that a const is not being stripped. Can it be applied on top of the
x32 branch? Or do I first have to revert some earlier revision?