Subject: Re: Possible bug in arm32 strongarm optimisations.
To: Richard Earnshaw <rearnsha@arm.com>
From: David Brownlee <abs@netbsd.org>
List: tech-toolchain
Date: 11/13/2000 18:40:50
On Thu, 2 Nov 2000, Richard Earnshaw wrote:
> Ah! Makes more sense now (and I also note I made a small mistake in my
> reply, since -mcpu doesn't accept an architecture name). It's better to
> use the name of the CPU architecture with the -march flag than the -mcpu
> flag. Think of
>
> -mcpu=foo
>
> as being short-hand for
>
> -march=archof<foo> -mtune=foo
>
> So what you have above is, in effect, two -mtune options.
>
> So in this case you want
>
> -march=armv3m -mtune=strongarm
>
> Hope this is all clearer now,
Clearer and config files updated to match - thanks :)
David/absolute
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