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(parent: 19bf7c8) | patch
vga: optimize ppm_save() divisions
authorAvi Kivity <avi@redhat.com>
Tue, 3 Jan 2012 13:32:57 +0000 (15:32 +0200)
committerAnthony Liguori <aliguori@us.ibm.com>
Thu, 12 Jan 2012 16:03:28 +0000 (10:03 -0600)
commita0f426109e17d579c2712f5b96a50215e6cc06a4
tree772b9cbe1226cce709b5ae86b0e4466e589ca678tree
parent19bf7c87081835449d5683ecb0858255bf5a0546commit | diff
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>
hw/vga.c diff | blob | blame | history
Qemu copy for testing