Date: Tue, 30 Sep 2003 22:25:27 -0700 (PDT) From: Jeff Roberson <jeff@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/i386/i386 support.s src/sys/i386/include md_var.h Message-ID: <200310010525.h915PRwl062742@repoman.freebsd.org>
next in thread | raw e-mail | index | archive | help
jeff 2003/09/30 22:25:27 PDT
FreeBSD src repository
Modified files:
sys/i386/i386 support.s
sys/i386/include md_var.h
Log:
- Add ss2_pagezero() for zeroing pages using the movnti instruction. This
instruction is enabled with SSE2 but does not use SSE registers. It is a
"non-temporal" move which bypasses the cache and does not dirty lines.
Revision Changes Path
1.98 +14 -0 src/sys/i386/i386/support.s
1.65 +1 -0 src/sys/i386/include/md_var.h
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200310010525.h915PRwl062742>