cvs commit: src/sys/i386/i386 support.s src/sys/i386/include md_var.h

[Jeff Roberson]

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