| To: | "H . J . Lu" <hjl@lucon.org> |
|---|---|
| Subject: | Re: PATCH: Fix ll/sc for mips (take 3) |
| From: | Daniel Jacobowitz <dan@debian.org> |
| Date: | Fri, 1 Feb 2002 18:01:26 -0500 |
| Cc: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, Hiroyuki Machida <machida@sm.sony.co.jp>, libc-alpha@sources.redhat.com, linux-mips@oss.sgi.com |
| In-reply-to: | <20020201102943.A11146@lucon.org> |
| Mail-followup-to: | "H . J . Lu" <hjl@lucon.org>, "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, Hiroyuki Machida <machida@sm.sony.co.jp>, libc-alpha@sources.redhat.com, linux-mips@oss.sgi.com |
| References: | <20020131231714.E32690@lucon.org> <Pine.GSO.3.96.1020201124328.26449A-100000@delta.ds2.pg.gda.pl> <20020201102943.A11146@lucon.org> |
| Sender: | owner-linux-mips@oss.sgi.com |
| User-agent: | Mutt/1.3.23i |
On Fri, Feb 01, 2002 at 10:29:43AM -0800, H . J . Lu wrote: > On Fri, Feb 01, 2002 at 12:45:02PM +0100, Maciej W. Rozycki wrote: > > On Thu, 31 Jan 2002, H . J . Lu wrote: > > > > > > Gas will fill delay slots. Same object codes will be produced, so I > > > > think you don't have to do that by hand. > > > > > > It will make the code more readable. We don't have to guess what > > > the assembler will do. > > > > But you lose a chance for something useful being reordered to the slot. > > That might not necessarily be a "nop". Please don't forget of indents > > anyway. > > > > Here is a new patch. I use branch likely to get rid of nops. Please > tell me which indents I may have missed. Can you really assume presence of the branch-likely instruction? I don't think so. -- Daniel Jacobowitz Carnegie Mellon University MontaVista Software Debian GNU/Linux Developer |
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