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[Bug rtl-optimization/42511] [4.5 Regression] bootstrap error in stage3 on alpha-linux-gnu
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Jan 2010 08:50:35 -0000
- Subject: [Bug rtl-optimization/42511] [4.5 Regression] bootstrap error in stage3 on alpha-linux-gnu
- References: <bug-42511-5724@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #24 from ubizjak at gmail dot com 2010-01-07 08:50 -------
(In reply to comment #23)
> > The proposed change removes REG_EQUAL note only on moved insn, (insn 538) in
> > our case.
>
> That's too aggressive in the general case, no need to remove a REG_EQUAL note
> pointing to a constant if the SRC is also function_invariant_p. An acceptable
> compromise could be to remove the note only if its content is also not itself
> function_invariant_p.
Thanks, I will amend the patch as you suggested and send the patch to
gcc-patches@.
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |ubizjak at gmail dot com
|dot org |
Status|NEW |ASSIGNED
Last reconfirmed|2010-01-05 12:29:58 |2010-01-07 08:50:35
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42511