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Re: [PATCH, x86] Use vector moves in memmove expanding
- From: Jan Hubicka <hubicka at ucw dot cz>
- To: Michael Zolotukhin <michael dot v dot zolotukhin at gmail dot com>
- Cc: OndÅej BÃlka <neleai at seznam dot cz>, Jan Hubicka <hubicka at ucw dot cz>, Uros Bizjak <ubizjak at gmail dot com>, "H.J. Lu" <hjl dot tools at gmail dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 5 Jul 2013 13:25:34 +0200
- Subject: Re: [PATCH, x86] Use vector moves in memmove expanding
- References: <CAMe9rOrRaZANTPLZQxv8j-V5Ozy75M4d80oCC-rZRT0xQ4a=Rw at mail dot gmail dot com> <CANtU079ZTkr-6DzU_t_jyHYT8Z7B6NcvXGnRt-4z0CrJGr_J=w at mail dot gmail dot com> <CANtU07-T4NjGfnZ=d91qWQ74y055E1FJUQ21mu8+9S+UsJNQsA at mail dot gmail dot com> <CANtU07-RFeSJ44CVYPGL2NgHjJwF+hQZLSeSCqFN5nMxdyx3Tw at mail dot gmail dot com> <CANtU07_-+-rvTjpb1fZfNxnorcRSJRBkhFvFi59ysNSUcyAgTA at mail dot gmail dot com> <CAFULd4ZdHB5Acx5sSJog2a9fgO06cpFDohrDE1TpB9=tFK1uxw at mail dot gmail dot com> <20130630090647 dot GA1611 at kam dot mff dot cuni dot cz> <20130630192209 dot GA13379 at domone dot homenet dot telecomitalia dot it> <CANtU07_MSvEsjT7ZF1b_AtbMw5Hrr5kcLtr5BHQFqtcBBvKs5w at mail dot gmail dot com> <CANtU079QONpxtL+SyxjTB3RLzOs5Jr0BL-C6eOT5W30cU-kYOA at mail dot gmail dot com>
> > I agree, but anyway we need some tests to measure performance - whether
> > these tests are Specs or some others.
> >
> >
> > I attached the updated patch - it's the same as the previous, but
> > without emit-rtl.c changes. Is it ok for trunk?
Yes, this patch is OK (I meant my previous mail as an approval).
There is a lot of things we can do about string operations, taking incremental steps is good
plan.
Honza