From mboxrd@z Thu Jan 1 00:00:00 1970 To: 9fans@cse.psu.edu From: "Douglas A. Gwyn" Message-ID: <3DD35421.50209@null.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit References: <12eeeb06c64e4553fb6eb85500c8f623@vitanuova.com> Subject: Re: [9fans] how to avoid a memset() optimization Date: Thu, 14 Nov 2002 10:21:20 +0000 Topicbox-Message-UUID: 1e8b0eec-eacb-11e9-9e20-41e7f4b1d025 C H Forsyth wrote: > so, in the case of memset applied to such a thing, > are those accesses that `must really be performed' > byte accesses, word accesses, quadword? The indicated bytes must all end up with 0 values, which was the important thing anyway for this application. The width of actual access depends on the implementation.