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[Bug middle-end/32667] block copy with exact overlap is expanded as memcpy
- 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, 06 Dec 2011 08:44:46 +0000
- Subject: [Bug middle-end/32667] block copy with exact overlap is expanded as memcpy
- Auto-submitted: auto-generated
- References: <bug-32667-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|builtin operator= generates |block copy with exact
|memcpy with overlapping |overlap is expanded as
|memory regions |memcpy
Known to fail| |4.7.0
--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-06 08:44:46 UTC ---
This is a generic middle-end issue (at best). There is at least one duplicate
of this bug (can't find it with a quick search).