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[Bug rtl-optimization/35281] [4.3/4.4 Regression] multiply with 0 generated for 64*32->64
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Mar 2008 13:22:02 -0000
- Subject: [Bug rtl-optimization/35281] [4.3/4.4 Regression] multiply with 0 generated for 64*32->64
- References: <bug-35281-10175@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from bonzini at gnu dot org 2008-03-05 13:22 -------
> fwprop does not because the memory is written to
(and fwprop does not do alias analysis).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35281