diff options
| author |   Lijian.Zhang <Lijian.Zhang@arm.com> | 2019-05-29 17:08:47 +0800 |
|---|---|---|
| committer | Lijian.Zhang <Lijian.Zhang@arm.com> | 2019-06-21 11:27:33 +0800 |
| commit | 107aa83630a1943018a4f96eb235ba8981748568 (patch) | |
| tree | 559c6e87d667abe7bcdb83000729bbfceb494c5d | |
| parent | 07beadedea9b23d97e41b3090590326c18151c66 (diff) | |
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
Change-Id: I1dd27e38af28b9bed85143014c86197ee549fede
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>
| -rw-r--r-- | src/vppinfra/vector_neon.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/vppinfra/vector_neon.h b/src/vppinfra/vector_neon.h index 37bd1bb0b01..4e911ac678a 100644 --- a/src/vppinfra/vector_neon.h +++ b/src/vppinfra/vector_neon.h @@ -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 |