| To: | "Kevin D. Kissell" <kevink@mips.com> |
|---|---|
| Subject: | Re: [RFC] Optimize swab operations on mips_r2 cpu |
| From: | Ralf Baechle <ralf@linux-mips.org> |
| Date: | Fri, 27 Jan 2006 11:30:03 +0000 |
| Cc: | Franck <vagabon.xyz@gmail.com>, Nigel Stephens <nigel@mips.com>, linux-mips@linux-mips.org |
| In-reply-to: | <000b01c6232a$5ea81470$10eca8c0@grendel> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <43D7C050.5090607@mips.com> <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> |
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On Fri, Jan 27, 2006 at 11:13:44AM +0100, Kevin D. Kissell wrote: > Configuration hacks that are specific to a single core create cruft and > maintenence problems. As I said yesterday, I think we'd be much better > off to have a CONFIG_CPU_MIPS_SMALL or some such option > that could cause -Os to be used, allow branch-likelies, etc. There is already CONFIG_CC_OPTIMIZE_FOR_SIZE. Unfortunately gcc has begun to avoid gcc totally since it was marked "deprecated" in the architecture spec even though in the real world branch likely often is a win. Ralf |
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