tree 772b9cbe1226cce709b5ae86b0e4466e589ca678
parent 19bf7c87081835449d5683ecb0858255bf5a0546
author Avi Kivity <avi@redhat.com> 1325597577 +0200
committer Anthony Liguori <aliguori@us.ibm.com> 1326384208 -0600

vga: optimize ppm_save() divisions

ppm_save() spends upwards of 50% of its time doing divisions. Replace them
with shifts.

Reviewed-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>