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Re: [patch] Armv7
- From: Daniel Jacobowitz <drow at false dot org>
- To: Paul Brook <paul at codesourcery dot com>
- Cc: binutils at sourceware dot org
- Date: Thu, 23 Feb 2006 10:32:11 -0500
- Subject: Re: [patch] Armv7
- References: <200602231525.41012.paul@codesourcery.com>
On Thu, Feb 23, 2006 at 03:25:40PM +0000, Paul Brook wrote:
> The attached patch implements Armv7 binutils support. There are three
> different "profiles" in armv7: v7A, v7R and v7M. The A and R profiles are
> basically armv6T2 plus a handful of extra instructions.
> The v7M profile removes the traditional Arm state (leaving only Thumb-2), and
> also removes some of the v5te and v6 instructions.
>
> I'm not entirely sure what "-march=armv7" should mean. I can think of 2
> options:
Do we need to have -march=armv7? Why, if they're so different?
--
Daniel Jacobowitz
CodeSourcery