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Re: Reintroduce -mflat option on SPARC
- From: Eric Botcazou <ebotcazou at adacore dot com>
- To: Laurent Rougé <laurent dot rouge at menta dot fr>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 17 May 2011 12:51:19 +0200
- Subject: Re: Reintroduce -mflat option on SPARC
- References: <4D64F83B.5060704@menta.fr> <201104121938.44734.ebotcazou@adacore.com> <4DA73D99.5000800@menta.fr>
> Right, -mflat option should only be for 32-bit SPARC target.
OK, let's keep it that way for now.
Another question: why does the model hijack %i7 to use it as frame pointer,
instead of just using %fp? AFAICS both are kept as fixed registers by the
code so the model seems to be wasting 1 register (2 without frame pointer).
--
Eric Botcazou