[Bug rtl-optimization/42511] [4.5 Regression] bootstrap error in stage3 on alpha-linux-gnu

["ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.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

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