| To: | Geert Uytterhoeven <geert@linux-m68k.org> |
|---|---|
| Subject: | Re: unaligned load in branch delay slot |
| From: | "Mike Uhler" <uhler@mips.com> |
| Date: | Mon, 13 Jan 2003 12:12:28 -0800 |
| Cc: | Mike Uhler <uhler@mips.com>, Linux/MIPS Development <linux-mips@linux-mips.org> |
| Cc: | uhler@mips.com |
| In-reply-to: | Your message of "Mon, 13 Jan 2003 19:04:36 +0100." <Pine.GSO.4.21.0301131901500.21279-100000@vervain.sonytel.be> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| Reply-to: | uhler@mips.com |
| Sender: | linux-mips-bounce@linux-mips.org |
> > Thanks! > > The following patch (against linux-mips-2.4.x CVS) cures my crash. > > I don't know on which CPUs this may happen (need #ifdef CONFIG_CPU_VR41XX?), > nor whether all branch and jump instructions are affected (I included > everything that starts with a `b' or `j'). Since all MIPS jumps are unconditional, one can never have a non-taken jump, so you can eliminate those from the patch. /gmu -- =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= Michael Uhler, VP, Systems, Architecture, and Software Products MIPS Technologies, Inc. Email: uhler@mips.com Pager: uhler_p@mips.com 1225 Charleston Road Voice: (650)567-5025 FAX: (650)567-5225 Mountain View, CA 94043 Mobile: (650)868-6870 Admin: (650)567-5085 |
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