vppinfra: add u64x2_gather/u32x4_gather
Add u64x2_gather/u32x4_gather in vector_neon.h. u64x2_gather/u32x4_gather
gathers data from scattered memory locations to a SIMD register.
Type: feature
@@ -142,6 +142,24 @@ u8x16_msb_mask (u8x16 v)
return (u16) (vgetq_lane_u64 (x64, 0) + (vgetq_lane_u64 (x64, 1) << 8));
}
+static_always_inline u64x2
+u64x2_gather (void *p0, void *p1)
+{
+ u64x2 r = vdupq_n_u64 (*(u64 *) p0);
+ r = vsetq_lane_u64 (*(u64 *) p1, r, 1);
+ return r;
+}
+
+static_always_inline u32x4
+u32x4_gather (void *p0, void *p1, void *p2, void *p3)
+{
+ u32x4 r = vdupq_n_u32 (*(u32 *) p0);
+ r = vsetq_lane_u32 (*(u32 *) p1, r, 1);
+ r = vsetq_lane_u32 (*(u32 *) p2, r, 2);
+ r = vsetq_lane_u32 (*(u32 *) p3, r, 3);
+ return r;
+}
+
#define CLIB_HAVE_VEC128_MSB_MASK
#define CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE
