On 29 June 2016 at 09:47, <vija...@cavium.com> wrote: > From: Vijay <vija...@cavium.com> > > Use Neon instructions to perform zero checking of > buffer. This is helps in reducing total migration time.
> diff --git a/util/cutils.c b/util/cutils.c > index 5830a68..4779403 100644 > --- a/util/cutils.c > +++ b/util/cutils.c > @@ -184,6 +184,13 @@ int qemu_fdatasync(int fd) > #define SPLAT(p) _mm_set1_epi8(*(p)) > #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) > #define VEC_OR(v1, v2) (_mm_or_si128(v1, v2)) > +#elif __aarch64__ > +#include "arm_neon.h" > +#define VECTYPE uint64x2_t > +#define ALL_EQ(v1, v2) \ > + ((vgetq_lane_u64(v1, 0) == vgetq_lane_u64(v2, 0)) && \ > + (vgetq_lane_u64(v1, 1) == vgetq_lane_u64(v2, 1))) > +#define VEC_OR(v1, v2) ((v1) | (v2)) Should be '#elif defined(__aarch64__)'. I have made this tweak and put this patch in target-arm.next. thanks -- PMM
