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Re: GAS: Handling option parsing for ARM co-processor extensions
- From: Lars Brinkhoff <lars dot spam at nocrew dot org>
- To: Richard dot Earnshaw at arm dot com
- Cc: binutils at sources dot redhat dot com
- Date: 15 Jan 2002 12:42:17 +0100
- Subject: Re: GAS: Handling option parsing for ARM co-processor extensions
- Organization: nocrew
- References: <200201151128.LAA10367@cam-mail2.cambridge.arm.com>
Richard Earnshaw <rearnsha@arm.com> writes:
> I've been thinking a bit about how we should handle the option parsing for
> various ARM co-processor extensions. Currently we have the highly bogus
> situation where -marm9e is used to mean "add the Cirrus Maverick
> instructions": it's bogus because arm9e is a real cpu variant from ARM.
>
> One way I can think of doing this is to allow syntax along the following
> lines
>
> -marmX+ext1+...
Why not
-marmX -mext1
or similar? This is the approach I've used for PDP-11:
http://pdp11.nocrew.org/binutils/as-opt.html
--
Lars Brinkhoff http://lars.nocrew.org/ Linux, GCC, PDP-10
Brinkhoff Consulting http://www.brinkhoff.se/ programming