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vppinfra: add u64x2_scatter/u32x4_scatter

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Add u64x2_scatter/u32x4_scatter in vector_neon.h. u64x2_scatter/u32x4_scatter
scatters data from SIMD register to scattered memory locations.

Type: feature

Change-Id: I298d5478c7ba6935ab7402a6d467c7ee00f17e9f
Signed-off-by: Lijian Zhang <Lijian.Zhang@arm.com>
Reviewed-by: Sirshak Das <Sirshak.Das@arm.com>
Reviewed-by: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
This commit is contained in:
Lijian.Zhang
2019-05-29 17:13:42 +08:00
committed by Neale Ranns
parent c47b97ddac
commit 0f9845120a
1 changed files with 16 additions and 0 deletions
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16
src/vppinfra/vector_neon.h
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@ -160,6 +160,22 @@ u32x4_gather (void *p0, void *p1, void *p2, void *p3)
return r;
}
static_always_inline void
u64x2_scatter (u64x2 r, void *p0, void *p1)
{
*(u64 *) p0 = vgetq_lane_u64 (r, 0);
*(u64 *) p1 = vgetq_lane_u64 (r, 1);
}
static_always_inline void
u32x4_scatter (u32x4 r, void *p0, void *p1, void *p2, void *p3)
{
*(u32 *) p0 = vgetq_lane_u32 (r, 0);
*(u32 *) p1 = vgetq_lane_u32 (r, 1);
*(u32 *) p2 = vgetq_lane_u32 (r, 2);
*(u32 *) p3 = vgetq_lane_u32 (r, 3);
}
#define CLIB_HAVE_VEC128_MSB_MASK
#define CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE