tree 26196a6e11cec81cdd6cf603d02e45e2ac8febcf
parent 696ad9e4b27a49a9706010d00b31b17fe1f0d569
author Richard Henderson <rth@twiddle.net> 1442342711 -0700
committer Eduardo Habkost <ehabkost@redhat.com> 1445612367 -0200

target-i386: Optimize setting dr[0-3]

If the debug register is not enabled, we need
do nothing besides update the register.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>