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Re: Is the loop pass allowed to introduce new call insns?

From: Richard Henderson <rth at redhat dot com>
To: John David Anglin <dave at hiauly1 dot hia dot nrc dot ca>
Cc: law at redhat dot com, gcc at gcc dot gnu dot org
Date: Mon, 3 Mar 2003 23:30:43 -0800
Subject: Re: Is the loop pass allowed to introduce new call insns?
References: <20030304005720.GO12472@redhat.com> <200303040524.h245ONJe011437@hiauly1.hia.nrc.ca>

On Tue, Mar 04, 2003 at 12:24:23AM -0500, John David Anglin wrote:
> I'd have to run the idea past the kernel people.  It would improve
> multiplication performance at the expense of context switching for
> the unfixed fpregs.

You'd only need one or two fpregs.  That shouldn't be much
of a burden at all.


r~

Follow-Ups:
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References:
- Re: Is the loop pass allowed to introduce new call insns?
  - From: Richard Henderson
- Re: Is the loop pass allowed to introduce new call insns?
  - From: John David Anglin

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