sna: Manually expand sse2 memcpy to compensate for a bad compiler

Eek, this doubles the memcpy performance on skl with gcc-4.8. Still, not
ideal.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/sna/kgem.h b/src/sna/kgem.h
index 3630b5ce..c62e51c1 100644
--- a/src/sna/kgem.h
+++ b/src/sna/kgem.h
@@ -891,6 +891,6 @@ memcpy_from_tiled_x(struct kgem *kgem,
 					 width, height);
 }
 
-void choose_memcpy_tiled_x(struct kgem *kgem, int swizzling);
+void choose_memcpy_tiled_x(struct kgem *kgem, int swizzling, unsigned cpu);
 
 #endif /* KGEM_H */