cvs commit: src/sys/amd64/amd64 cpu_switch.S support.S

Tue Sep 27 11:32:47 PDT 2005

peter       2005-09-27 18:32:46 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      cpu_switch.S support.S 
  Log:
  Fix a minor nit that has been bugging me for a while.  Fix the obvious
  cases of using a 64 bit operation to zero a register.  32 bit opcodes are
  smaller and supposedly faster, and clear the upper 32 bits for free.
  
  Revision  Changes    Path
  1.152     +1 -1      src/sys/amd64/amd64/cpu_switch.S
  1.116     +11 -11    src/sys/amd64/amd64/support.S