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Re: Enabling -frename-registers?
- From: Eric Botcazou <ebotcazou at adacore dot com>
- To: Bernd Schmidt <bschmidt at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org, David Edelsohn <dje dot gcc at gmail dot com>, Richard Biener <richard dot guenther at gmail dot com>, Jeffrey Law <law at redhat dot com>, Segher Boessenkool <segher at kernel dot crashing dot org>
- Date: Wed, 04 May 2016 12:26:47 +0200
- Subject: Re: Enabling -frename-registers?
- Authentication-results: sourceware.org; auth=none
- References: <CAGWvnykBEjYMgOCaR_ZGLwB3fxPg-pB3WPSwAvmUBXzmXct8gg at mail dot gmail dot com> <2317874 dot CXT2IFrHHt at polaris> <5729CAB8 dot 8040805 at redhat dot com>
> Given how many latent bugs it has shown up I think that alone would make
> it valuable to have enabled at -O2.
It might be worthwhile to test it on embedded architectures because modern x86
and PowerPC processors are probably not very sensitive to this kind of tweaks.
--
Eric Botcazou