svn commit: r306319 - head/sys/i386/i386

Bruce Evans brde at optusnet.com.au
Mon Sep 26 06:53:32 UTC 2016


On Sun, 25 Sep 2016, Colin Percival wrote:

> On 09/25/16 11:39, Bruce Evans wrote:
>> Author: bde
>> Date: Sun Sep 25 18:39:24 2016
>> New Revision: 306319
>> URL: https://svnweb.freebsd.org/changeset/base/306319
>>
>> Log:
>>   Minor fixes for 160-bit disassembly:
>
> I thought the x86 architecture was limited to 120-bit instructions?

Oops.

Is 120 the exact limit on instruction length is is that just for prefixes?
I think the instruction fetch pipeline was 16 bytes, but it is now often
32 or 64.

Bruce


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