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[Bug middle-end/30907] [4.3 regression] Propagation of addresses within loops pessimizes code
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Feb 2007 16:48:27 -0000
- Subject: [Bug middle-end/30907] [4.3 regression] Propagation of addresses within loops pessimizes code
- References: <bug-30907-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from bonzini at gnu dot org 2007-02-22 16:48 -------
Though we don't have a testcase for mainline, the bug is there too.
--
bonzini at gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |bonzini at gnu dot org
|dot org |
Status|NEW |ASSIGNED
Known to fail| |4.3.0
Known to work| |4.2.0
Last reconfirmed|2007-02-21 15:53:40 |2007-02-22 16:48:27
date| |
Summary|[dataflow] Bad interaction |[4.3 regression] Propagation
|with addressing mode |of addresses within loops
|selection and regalloc |pessimizes code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30907