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Re: [new-ra] DF_REF_REG_CLOBBER related bugfix
- From: Michael Matz <matz at suse dot de>
- To: Denis Chertykov <denisc at overta dot ru>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Fri, 24 Oct 2003 14:18:28 +0200 (CEST)
- Subject: Re: [new-ra] DF_REF_REG_CLOBBER related bugfix
Hi Denis,
On Fri, 24 Oct 2003, Denis Chertykov wrote:
> Current `insert_stores' handle (clobber REG) as def. It's wrong.
> The slot for REG must be deleted from `slots' hash list.
Indeed. Please commit.
> (coalesce_spill_slot): Handle webs without conflicts.
>
> --- 2345,2355 ----
> }
> else
> return 0;
> !
> ! /* Webs without conflicts must be rejected. */
> ! if (!s->conflict_list || !t->conflict_list)
> ! return 0;
> !
For what is this needed? Could you extend the comment?
Ciao,
Michael.