| To: | Chih-hung Lu <winfred.lu@gmail.com> |
|---|---|
| Subject: | Re: [PATCH -v1] MIPS: a few of fixups and cleanups for the compressed kernel support |
| From: | Wu Zhangjin <wuzhangjin@gmail.com> |
| Date: | Fri, 30 Oct 2009 10:53:36 +0800 |
| Cc: | Linux-MIPS <linux-mips@linux-mips.org> |
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| In-reply-to: | <a2dc26810910291916x1556eb21uecaa8bdeeb98baae@mail.gmail.com> |
| Organization: | DSLab, Lanzhou University, China |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <1256797212-7794-1-git-send-email-wuzhangjin@gmail.com> <a2dc26810910291916x1556eb21uecaa8bdeeb98baae@mail.gmail.com> |
| Reply-to: | wuzhangjin@gmail.com |
| Sender: | linux-mips-bounce@linux-mips.org |
On Fri, 2009-10-30 at 10:16 +0800, Chih-hung Lu wrote:
> 2009/10/29 Wu Zhangjin <wuzhangjin@gmail.com>:
> > From: Wu Zhangjin <wuzhangjin@gmail.com>
> >
> > This patch indents the instructions in the delay slot of the file which
> > has a ".set noreorder" added.
> >
> > and also, the "addu a0, 4" instruction is replaced by "addiu a0, a0, 4".
> Hi,
>
> May I ask a question,
> what is the difference between "addu a0, 4" and "addiu a0, a0, 4"?
> They look same to me.
Hello,
Although they function the same under gas("addu a0, 4" will be assembled
to "addiu a0, a0, 4"), but herein is exactly an immediate data
operation, I just keep it be what it is! only a "cleanup" here.
Thanks & Regards,
Wu Zhangjin
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