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Re: [Patch,AVR]: Fix PR 50358
- From: Denis Chertykov <chertykov at gmail dot com>
- To: Georg-Johann Lay <avr at gjlay dot de>
- Cc: gcc-patches at gcc dot gnu dot org, Eric Weddington <eric dot weddington at atmel dot com>
- Date: Tue, 13 Sep 2011 11:27:59 +0400
- Subject: Re: [Patch,AVR]: Fix PR 50358
- References: <4E6E5E16.1060506@gjlay.de>
2011/9/12 Georg-Johann Lay <avr@gjlay.de>:
> This patch introduces patterns for multiply-add and multiply-sub.
>
> On the enhanced core, these operations can be performed with the product in R0;
> there is no need to MOVW it out of that register. ÂThe code is smaller and
> faster and has lower register pressure.
>
> Tested without regressions.
>
> Ok to commit?
Ok.
Denis.