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[Bug middle-end/34884] [4.3 Regression] gfortran.dg/array_constructor_9.f90
- From: "zadeck at naturalbridge dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Jan 2008 13:02:26 -0000
- Subject: [Bug middle-end/34884] [4.3 Regression] gfortran.dg/array_constructor_9.f90
- References: <bug-34884-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #19 from zadeck at naturalbridge dot com 2008-01-21 13:02 -------
Subject: Re: [4.3 Regression] gfortran.dg/array_constructor_9.f90
bonzini at gnu dot org wrote:
> ------- Comment #18 from bonzini at gnu dot org 2008-01-21 08:04 -------
> I agree with Steven. The trimming could be adjusted to not trim register that
> are mentioned by REG_EQ* notes, but I'm not sure it would be a good idea,
> either.
>
>
I am testing a patch that add eq_notes to the lr problem if you specify
DF_EQ_NOTES.
If you and steven still want me to abandon this, i will, but in my mind,
it seems that if the pass wants chains built with eq_notes, then the
rest of the df information should match this decision.
Kenny
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34884