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[Bug middle-end/42834] memcpy folding overeager
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Jan 2010 12:36:19 -0000
- Subject: [Bug middle-end/42834] memcpy folding overeager
- References: <bug-42834-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rguenth at gcc dot gnu dot org 2010-01-22 12:36 -------
Another possible way is to have a block-copy operation in gimple that
would do the copy with alias-set zero and avoids the address-taking.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42834