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Re: RFA: ARM DFA pipeline description
- From: Richard Earnshaw <rearnsha at arm dot com>
- To: Ben Elliston <bje at wasabisystems dot com>
- Cc: gcc-patches at gcc dot gnu dot org, Richard dot Earnshaw at arm dot com
- Date: Thu, 22 May 2003 16:02:11 +0100
- Subject: Re: RFA: ARM DFA pipeline description
- Organization: ARM Ltd.
- Reply-to: Richard dot Earnshaw at arm dot com
> The following patch translates the existing ARM pipeline description
> to the new syntax used by the DFA-based instruction scheduler. It is
> hoped that using the new pipeline description syntax will allow for
> more complete or accurate pipeline modelling in the future.
> I have tested the modified compiler by:
> * running a full regression test (no regressions);
> * bootstrapping on arm-unknown-netbsdelf1.6T;
> * and benchmarking on a variety of code generation benchmarks which
> showed no noticable difference in the performance of generated code.
> Okay for mainline? Ben
This looks good, but it touches parts of the machine description that an
arm-netbsdelf configuration doesn't use. So I'd like to see confirmation
that there are no regressions on arm-linux (fpa tests) and for arm-elf
when testing thumb compilation.