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Re: Register allocation issues

From: Ian Lance Taylor <iant at google dot com>
To: "Matt Lee" <reachmatt dot lee at gmail dot com>
Cc: gcc at gcc dot gnu dot org
Date: 05 Sep 2007 18:10:09 -0700
Subject: Re: Register allocation issues
References: <e94302560709051546k46e87662v3e79cd66f53d0090@mail.gmail.com>

"Matt Lee" <reachmatt.lee@gmail.com> writes:

> The problem is, that though the loads can be optimized by pipelining
> them. The register allocator has created a dependency by using only r3
> and r4, instead of using the other volatiles.

Try using -frename-registers.

Ian

References:
- Register allocation issues
  - From: Matt Lee

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