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| author | Peter Lieven | 2013-03-26 10:58:33 +0100 |
|---|---|---|
| committer | Juan Quintela | 2013-03-26 13:32:32 +0100 |
| commit | 56ded708ec38e4cb75a7c7357480ca34c0dc6875 (patch) | |
| tree | 5819b3f8f66612df3b1ad07ef74e5286c89fb780 /util/bitops.c | |
| parent | cutils: add a function to find non-zero content in a buffer (diff) | |
| download | qemu-56ded708ec38e4cb75a7c7357480ca34c0dc6875.tar.gz qemu-56ded708ec38e4cb75a7c7357480ca34c0dc6875.tar.xz qemu-56ded708ec38e4cb75a7c7357480ca34c0dc6875.zip | |
buffer_is_zero: use vector optimizations if possible
performance gain on SSE2 is approx. 20-25%. altivec
is not tested. performance for unsigned long arithmetic
is unchanged.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'util/bitops.c')
0 files changed, 0 insertions, 0 deletions