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[Bug rtl-optimization/45678] [4.4/4.5/4.6 Regression] crash on vector code with -m32 -msse
- 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: 16 Sep 2010 14:22:10 -0000
- Subject: [Bug rtl-optimization/45678] [4.4/4.5/4.6 Regression] crash on vector code with -m32 -msse
- References: <bug-45678-15165@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #20 from rguenth at gcc dot gnu dot org 2010-09-16 14:22 -------
The patch in comment #4 makes memcpy folding not lie about alignment.
cfgexpand still lies about alignment though.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45678