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Re: [BACKPORT] Fix PR rtl-optimization/45593
- From: Eric Botcazou <ebotcazou at adacore dot com>
- To: John David Anglin <dave dot anglin at nrc-cnrc dot gc dot ca>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Sat, 14 May 2011 21:26:44 +0200
- Subject: Re: [BACKPORT] Fix PR rtl-optimization/45593
- References: <20110514181632.GA8346@hiauly1.hia.nrc.ca>
> Investigation showed that this bug was a delay slot scheduling problem
> and that the issue was fixed by Eric last September. The fix was back
> ported to the 4.5 branch but not to previous branches. The identical
> fix applies to the 4.4 and 4.3 branches.
>
> Ok to backport?
OK, thanks. Note that another delay slot bug was fixed around the same time:
2010-09-20 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/42775
* cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
scheduling is enabled.
This one was installed on the 4.6/4.5/4.4 branches.
--
Eric Botcazou