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Re: [Patch,AVR]: Hack around PR rtl-optimization/52543
- From: Mike Stump <mikestump at comcast dot net>
- To: Georg-Johann Lay <avr at gjlay dot de>
- Cc: gcc-patches at gcc dot gnu dot org, Denis Chertykov <chertykov at gmail dot com>, Eric Weddington <eric dot weddington at atmel dot com>
- Date: Mon, 19 Mar 2012 10:29:04 -0700
- Subject: Re: [Patch,AVR]: Hack around PR rtl-optimization/52543
- References: <4F5A4FFE.9000203@gjlay.de>
On Mar 9, 2012, at 10:46 AM, Georg-Johann Lay wrote:
> The problem with the PR is that lower-subreg.c happily splits multi-byte moves
> from address spaces without knowing anything about the additional costs this is
> causing.
Nasty, arm hit this sort of problem recently as well, and I've hit this sort of problem; here's to wishing the underlying problem gets fixed soon.