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Re: SRA bit-field optimization
- From: Eric Botcazou <ebotcazou at adacore dot com>
- To: Alexandre Oliva <aoliva at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org, Roman Zippel <zippel at linux-m68k dot org>, Bernd Schmidt <bernds_cb1 at t-online dot de>, Diego Novillo <dnovillo at acm dot org>, Daniel Berlin <dberlin at dberlin dot org>, Andrew Pinski <pinskia at gmail dot com>
- Date: Fri, 5 Oct 2007 08:26:23 +0200
- Subject: Re: SRA bit-field optimization
- References: <orfy4czoyq.fsf@oliva.athome.lsd.ic.unicamp.br> <200710030947.34535.ebotcazou@adacore.com> <orir5mbuc7.fsf@livre.oliva.athome.lsd.ic.unicamp.br>
> Ugh, there was a thinko in the test for whether the original BB/stmt
> could throw. Thanks for the testcase, this patch fixes it.
Partially, I presume it doesn't do anything for the pessimization.
--
Eric Botcazou