| To: | Franck <vagabon.xyz@gmail.com> |
|---|---|
| Subject: | Re: [RFC] Optimize swab operations on mips_r2 cpu |
| From: | Ralf Baechle <ralf@linux-mips.org> |
| Date: | Fri, 27 Jan 2006 11:31:43 +0000 |
| Cc: | "Kevin D. Kissell" <kevink@mips.com>, Nigel Stephens <nigel@mips.com>, linux-mips@linux-mips.org |
| In-reply-to: | <cda58cb80601270245g6273ce04k@mail.gmail.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <cda58cb80601260702wf781e70l@mail.gmail.com> <005101c6228c$6ebfb0a0$10eca8c0@grendel> <43D8F000.9010106@mips.com> <cda58cb80601260831i61167787g@mail.gmail.com> <43D8FF16.40107@mips.com> <cda58cb80601261002w6eb02249k@mail.gmail.com> <43D93025.9040800@mips.com> <cda58cb80601270103t1419117cq@mail.gmail.com> <000b01c6232a$5ea81470$10eca8c0@grendel> <cda58cb80601270245g6273ce04k@mail.gmail.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.4.2.1i |
On Fri, Jan 27, 2006 at 11:45:34AM +0100, Franck wrote: > no some are. As we said previously: > > 1/ sizeof(vmlinux-mips32r2-Os) > sizeof(vmlinux-4ksd-Os) > 2/ with -march=4ksd can do (slightly) better optimizations > > > for every 4KSd embedded Linux platform there are several 4KEc platforms > > that would benefit from a smaller kernel footprint. > > > > -Os can already be choosen by user in kernel configuration. Your > CONFIG_CPU_MIPS_SMALL option brings nothing more except that the user > is stuck with -Os option. BTW, I think it may be the default option in > the near future for mainline... Not before demonstrating that it is a clear win under all circumstances. Ralf |
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