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Re: [PATCH 2/16] arch related Makefile update for lemote fulong mini-PC

To: Thiemo Seufer <ths@networkno.de>, Linux/MIPS Development <linux-mips@linux-mips.org>
Subject: Re: [PATCH 2/16] arch related Makefile update for lemote fulong mini-PC
From: Zhang Fuxin <zhangfx@lemote.com>
Date: Mon, 16 Apr 2007 23:10:13 +0800
In-reply-to: <20070416124422.GB1402@networkno.de>
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Thiemo Seufer 写道:
> Maybe. The 'mips3' maps to -march=r4000, it would assume more memory
> latency and a slower integer divider then -march=r4600.
>   
Just like Ralf has said, -march might not lead to significant
performance difference, but -mtune=
may. Two years ago, I found that adding a machine.def to descripe
pipeline and resources for loongson2
and -mtune=loongson boost many programs by 2-5%。

>
> Thiemo
>
>
>   


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