| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include <arm_neon.h> |
| #include <assert.h> |
| |
| #include "config/aom_config.h" |
| #include "config/aom_dsp_rtcd.h" |
| |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/arm/mem_neon.h" |
| #include "aom_dsp/arm/sum_neon.h" |
| #include "aom_dsp/intrapred_common.h" |
| |
| //------------------------------------------------------------------------------ |
| // DC 4x4 |
| |
| static INLINE uint16x8_t dc_load_sum_4(const uint8_t *in) { |
| const uint8x8_t a = load_u8_4x1(in); |
| const uint16x4_t p0 = vpaddl_u8(a); |
| const uint16x4_t p1 = vpadd_u16(p0, p0); |
| return vcombine_u16(p1, vdup_n_u16(0)); |
| } |
| |
| static INLINE void dc_store_4xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x8_t dc) { |
| for (int i = 0; i < h; ++i) { |
| store_u8_4x1(dst + i * stride, dc, 0); |
| } |
| } |
| |
| void aom_dc_predictor_4x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_sum_4(above); |
| const uint16x8_t sum_left = dc_load_sum_4(left); |
| const uint16x8_t sum = vaddq_u16(sum_left, sum_top); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum, 3); |
| dc_store_4xh(dst, stride, 4, vdup_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_left_predictor_4x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint16x8_t sum_left = dc_load_sum_4(left); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_left, 2); |
| (void)above; |
| dc_store_4xh(dst, stride, 4, vdup_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_top_predictor_4x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_sum_4(above); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_top, 2); |
| (void)left; |
| dc_store_4xh(dst, stride, 4, vdup_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_128_predictor_4x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t dc0 = vdup_n_u8(0x80); |
| (void)above; |
| (void)left; |
| dc_store_4xh(dst, stride, 4, dc0); |
| } |
| |
| //------------------------------------------------------------------------------ |
| // DC 8x8 |
| |
| static INLINE uint16x8_t dc_load_sum_8(const uint8_t *in) { |
| // This isn't used in the case where we want to load both above and left |
| // vectors, since we want to avoid performing the reduction twice. |
| const uint8x8_t a = vld1_u8(in); |
| const uint16x4_t p0 = vpaddl_u8(a); |
| const uint16x4_t p1 = vpadd_u16(p0, p0); |
| const uint16x4_t p2 = vpadd_u16(p1, p1); |
| return vcombine_u16(p2, vdup_n_u16(0)); |
| } |
| |
| static INLINE uint16x8_t horizontal_add_and_broadcast_u16x8(uint16x8_t a) { |
| #if AOM_ARCH_AARCH64 |
| // On AArch64 we could also use vdupq_n_u16(vaddvq_u16(a)) here to save an |
| // instruction, however the addv instruction is usually slightly more |
| // expensive than a pairwise addition, so the need for immediately |
| // broadcasting the result again seems to negate any benefit. |
| const uint16x8_t b = vpaddq_u16(a, a); |
| const uint16x8_t c = vpaddq_u16(b, b); |
| return vpaddq_u16(c, c); |
| #else |
| const uint16x4_t b = vadd_u16(vget_low_u16(a), vget_high_u16(a)); |
| const uint16x4_t c = vpadd_u16(b, b); |
| const uint16x4_t d = vpadd_u16(c, c); |
| return vcombine_u16(d, d); |
| #endif |
| } |
| |
| static INLINE void dc_store_8xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x8_t dc) { |
| for (int i = 0; i < h; ++i) { |
| vst1_u8(dst + i * stride, dc); |
| } |
| } |
| |
| void aom_dc_predictor_8x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t sum_top = vld1_u8(above); |
| const uint8x8_t sum_left = vld1_u8(left); |
| uint16x8_t sum = vaddl_u8(sum_left, sum_top); |
| sum = horizontal_add_and_broadcast_u16x8(sum); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum, 4); |
| dc_store_8xh(dst, stride, 8, vdup_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_left_predictor_8x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint16x8_t sum_left = dc_load_sum_8(left); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_left, 3); |
| (void)above; |
| dc_store_8xh(dst, stride, 8, vdup_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_top_predictor_8x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_sum_8(above); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_top, 3); |
| (void)left; |
| dc_store_8xh(dst, stride, 8, vdup_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_128_predictor_8x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t dc0 = vdup_n_u8(0x80); |
| (void)above; |
| (void)left; |
| dc_store_8xh(dst, stride, 8, dc0); |
| } |
| |
| //------------------------------------------------------------------------------ |
| // DC 16x16 |
| |
| static INLINE uint16x8_t dc_load_partial_sum_16(const uint8_t *in) { |
| const uint8x16_t a = vld1q_u8(in); |
| // delay the remainder of the reduction until |
| // horizontal_add_and_broadcast_u16x8, since we want to do it once rather |
| // than twice in the case we are loading both above and left. |
| return vpaddlq_u8(a); |
| } |
| |
| static INLINE uint16x8_t dc_load_sum_16(const uint8_t *in) { |
| return horizontal_add_and_broadcast_u16x8(dc_load_partial_sum_16(in)); |
| } |
| |
| static INLINE void dc_store_16xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x16_t dc) { |
| for (int i = 0; i < h; ++i) { |
| vst1q_u8(dst + i * stride, dc); |
| } |
| } |
| |
| void aom_dc_predictor_16x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_partial_sum_16(above); |
| const uint16x8_t sum_left = dc_load_partial_sum_16(left); |
| uint16x8_t sum = vaddq_u16(sum_left, sum_top); |
| sum = horizontal_add_and_broadcast_u16x8(sum); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum, 5); |
| dc_store_16xh(dst, stride, 16, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_left_predictor_16x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint16x8_t sum_left = dc_load_sum_16(left); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_left, 4); |
| (void)above; |
| dc_store_16xh(dst, stride, 16, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_top_predictor_16x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_sum_16(above); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_top, 4); |
| (void)left; |
| dc_store_16xh(dst, stride, 16, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_128_predictor_16x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint8x16_t dc0 = vdupq_n_u8(0x80); |
| (void)above; |
| (void)left; |
| dc_store_16xh(dst, stride, 16, dc0); |
| } |
| |
| //------------------------------------------------------------------------------ |
| // DC 32x32 |
| |
| static INLINE uint16x8_t dc_load_partial_sum_32(const uint8_t *in) { |
| const uint8x16_t a0 = vld1q_u8(in); |
| const uint8x16_t a1 = vld1q_u8(in + 16); |
| // delay the remainder of the reduction until |
| // horizontal_add_and_broadcast_u16x8, since we want to do it once rather |
| // than twice in the case we are loading both above and left. |
| return vpadalq_u8(vpaddlq_u8(a0), a1); |
| } |
| |
| static INLINE uint16x8_t dc_load_sum_32(const uint8_t *in) { |
| return horizontal_add_and_broadcast_u16x8(dc_load_partial_sum_32(in)); |
| } |
| |
| static INLINE void dc_store_32xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x16_t dc) { |
| for (int i = 0; i < h; ++i) { |
| vst1q_u8(dst + i * stride, dc); |
| vst1q_u8(dst + i * stride + 16, dc); |
| } |
| } |
| |
| void aom_dc_predictor_32x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_partial_sum_32(above); |
| const uint16x8_t sum_left = dc_load_partial_sum_32(left); |
| uint16x8_t sum = vaddq_u16(sum_left, sum_top); |
| sum = horizontal_add_and_broadcast_u16x8(sum); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum, 6); |
| dc_store_32xh(dst, stride, 32, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_left_predictor_32x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint16x8_t sum_left = dc_load_sum_32(left); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_left, 5); |
| (void)above; |
| dc_store_32xh(dst, stride, 32, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_top_predictor_32x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_sum_32(above); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_top, 5); |
| (void)left; |
| dc_store_32xh(dst, stride, 32, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_128_predictor_32x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint8x16_t dc0 = vdupq_n_u8(0x80); |
| (void)above; |
| (void)left; |
| dc_store_32xh(dst, stride, 32, dc0); |
| } |
| |
| //------------------------------------------------------------------------------ |
| // DC 64x64 |
| |
| static INLINE uint16x8_t dc_load_partial_sum_64(const uint8_t *in) { |
| const uint8x16_t a0 = vld1q_u8(in); |
| const uint8x16_t a1 = vld1q_u8(in + 16); |
| const uint8x16_t a2 = vld1q_u8(in + 32); |
| const uint8x16_t a3 = vld1q_u8(in + 48); |
| const uint16x8_t p01 = vpadalq_u8(vpaddlq_u8(a0), a1); |
| const uint16x8_t p23 = vpadalq_u8(vpaddlq_u8(a2), a3); |
| // delay the remainder of the reduction until |
| // horizontal_add_and_broadcast_u16x8, since we want to do it once rather |
| // than twice in the case we are loading both above and left. |
| return vaddq_u16(p01, p23); |
| } |
| |
| static INLINE uint16x8_t dc_load_sum_64(const uint8_t *in) { |
| return horizontal_add_and_broadcast_u16x8(dc_load_partial_sum_64(in)); |
| } |
| |
| static INLINE void dc_store_64xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x16_t dc) { |
| for (int i = 0; i < h; ++i) { |
| vst1q_u8(dst + i * stride, dc); |
| vst1q_u8(dst + i * stride + 16, dc); |
| vst1q_u8(dst + i * stride + 32, dc); |
| vst1q_u8(dst + i * stride + 48, dc); |
| } |
| } |
| |
| void aom_dc_predictor_64x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_partial_sum_64(above); |
| const uint16x8_t sum_left = dc_load_partial_sum_64(left); |
| uint16x8_t sum = vaddq_u16(sum_left, sum_top); |
| sum = horizontal_add_and_broadcast_u16x8(sum); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum, 7); |
| dc_store_64xh(dst, stride, 64, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_left_predictor_64x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint16x8_t sum_left = dc_load_sum_64(left); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_left, 6); |
| (void)above; |
| dc_store_64xh(dst, stride, 64, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_top_predictor_64x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint16x8_t sum_top = dc_load_sum_64(above); |
| const uint8x8_t dc0 = vrshrn_n_u16(sum_top, 6); |
| (void)left; |
| dc_store_64xh(dst, stride, 64, vdupq_lane_u8(dc0, 0)); |
| } |
| |
| void aom_dc_128_predictor_64x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, |
| const uint8_t *left) { |
| const uint8x16_t dc0 = vdupq_n_u8(0x80); |
| (void)above; |
| (void)left; |
| dc_store_64xh(dst, stride, 64, dc0); |
| } |
| |
| //------------------------------------------------------------------------------ |
| // DC rectangular cases |
| |
| #define DC_MULTIPLIER_1X2 0x5556 |
| #define DC_MULTIPLIER_1X4 0x3334 |
| |
| #define DC_SHIFT2 16 |
| |
| static INLINE int divide_using_multiply_shift(int num, int shift1, |
| int multiplier, int shift2) { |
| const int interm = num >> shift1; |
| return interm * multiplier >> shift2; |
| } |
| |
| static INLINE int calculate_dc_from_sum(int bw, int bh, uint32_t sum, |
| int shift1, int multiplier) { |
| const int expected_dc = divide_using_multiply_shift( |
| sum + ((bw + bh) >> 1), shift1, multiplier, DC_SHIFT2); |
| assert(expected_dc < (1 << 8)); |
| return expected_dc; |
| } |
| |
| #undef DC_SHIFT2 |
| |
| void aom_dc_predictor_4x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint8x8_t a = load_u8_4x1(above); |
| uint8x8_t l = vld1_u8(left); |
| uint32_t sum = horizontal_add_u16x8(vaddl_u8(a, l)); |
| uint32_t dc = calculate_dc_from_sum(4, 8, sum, 2, DC_MULTIPLIER_1X2); |
| dc_store_4xh(dst, stride, 8, vdup_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_8x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint8x8_t a = vld1_u8(above); |
| uint8x8_t l = load_u8_4x1(left); |
| uint32_t sum = horizontal_add_u16x8(vaddl_u8(a, l)); |
| uint32_t dc = calculate_dc_from_sum(8, 4, sum, 2, DC_MULTIPLIER_1X2); |
| dc_store_8xh(dst, stride, 4, vdup_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_4x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint8x8_t a = load_u8_4x1(above); |
| uint8x16_t l = vld1q_u8(left); |
| uint16x8_t sum_al = vaddw_u8(vpaddlq_u8(l), a); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(4, 16, sum, 2, DC_MULTIPLIER_1X4); |
| dc_store_4xh(dst, stride, 16, vdup_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_16x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint8x16_t a = vld1q_u8(above); |
| uint8x8_t l = load_u8_4x1(left); |
| uint16x8_t sum_al = vaddw_u8(vpaddlq_u8(a), l); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(16, 4, sum, 2, DC_MULTIPLIER_1X4); |
| dc_store_16xh(dst, stride, 4, vdupq_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_8x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint8x8_t a = vld1_u8(above); |
| uint8x16_t l = vld1q_u8(left); |
| uint16x8_t sum_al = vaddw_u8(vpaddlq_u8(l), a); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(8, 16, sum, 3, DC_MULTIPLIER_1X2); |
| dc_store_8xh(dst, stride, 16, vdup_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_16x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint8x16_t a = vld1q_u8(above); |
| uint8x8_t l = vld1_u8(left); |
| uint16x8_t sum_al = vaddw_u8(vpaddlq_u8(a), l); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(16, 8, sum, 3, DC_MULTIPLIER_1X2); |
| dc_store_16xh(dst, stride, 8, vdupq_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_8x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint8x8_t a = vld1_u8(above); |
| uint16x8_t sum_left = dc_load_partial_sum_32(left); |
| uint16x8_t sum_al = vaddw_u8(sum_left, a); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(8, 32, sum, 3, DC_MULTIPLIER_1X4); |
| dc_store_8xh(dst, stride, 32, vdup_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_32x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint16x8_t sum_top = dc_load_partial_sum_32(above); |
| uint8x8_t l = vld1_u8(left); |
| uint16x8_t sum_al = vaddw_u8(sum_top, l); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(32, 8, sum, 3, DC_MULTIPLIER_1X4); |
| dc_store_32xh(dst, stride, 8, vdupq_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_16x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint16x8_t sum_above = dc_load_partial_sum_16(above); |
| uint16x8_t sum_left = dc_load_partial_sum_32(left); |
| uint16x8_t sum_al = vaddq_u16(sum_left, sum_above); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(16, 32, sum, 4, DC_MULTIPLIER_1X2); |
| dc_store_16xh(dst, stride, 32, vdupq_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_32x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint16x8_t sum_above = dc_load_partial_sum_32(above); |
| uint16x8_t sum_left = dc_load_partial_sum_16(left); |
| uint16x8_t sum_al = vaddq_u16(sum_left, sum_above); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(32, 16, sum, 4, DC_MULTIPLIER_1X2); |
| dc_store_32xh(dst, stride, 16, vdupq_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_16x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint16x8_t sum_above = dc_load_partial_sum_16(above); |
| uint16x8_t sum_left = dc_load_partial_sum_64(left); |
| uint16x8_t sum_al = vaddq_u16(sum_left, sum_above); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(16, 64, sum, 4, DC_MULTIPLIER_1X4); |
| dc_store_16xh(dst, stride, 64, vdupq_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_64x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint16x8_t sum_above = dc_load_partial_sum_64(above); |
| uint16x8_t sum_left = dc_load_partial_sum_16(left); |
| uint16x8_t sum_al = vaddq_u16(sum_above, sum_left); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(64, 16, sum, 4, DC_MULTIPLIER_1X4); |
| dc_store_64xh(dst, stride, 16, vdupq_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_32x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint16x8_t sum_above = dc_load_partial_sum_32(above); |
| uint16x8_t sum_left = dc_load_partial_sum_64(left); |
| uint16x8_t sum_al = vaddq_u16(sum_above, sum_left); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(32, 64, sum, 5, DC_MULTIPLIER_1X2); |
| dc_store_32xh(dst, stride, 64, vdupq_n_u8(dc)); |
| } |
| |
| void aom_dc_predictor_64x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| uint16x8_t sum_above = dc_load_partial_sum_64(above); |
| uint16x8_t sum_left = dc_load_partial_sum_32(left); |
| uint16x8_t sum_al = vaddq_u16(sum_above, sum_left); |
| uint32_t sum = horizontal_add_u16x8(sum_al); |
| uint32_t dc = calculate_dc_from_sum(64, 32, sum, 5, DC_MULTIPLIER_1X2); |
| dc_store_64xh(dst, stride, 32, vdupq_n_u8(dc)); |
| } |
| |
| #undef DC_MULTIPLIER_1X2 |
| #undef DC_MULTIPLIER_1X4 |
| |
| #define DC_PREDICTOR_128(w, h, q) \ |
| void aom_dc_128_predictor_##w##x##h##_neon(uint8_t *dst, ptrdiff_t stride, \ |
| const uint8_t *above, \ |
| const uint8_t *left) { \ |
| (void)above; \ |
| (void)left; \ |
| dc_store_##w##xh(dst, stride, (h), vdup##q##_n_u8(0x80)); \ |
| } |
| |
| DC_PREDICTOR_128(4, 8, ) |
| DC_PREDICTOR_128(4, 16, ) |
| DC_PREDICTOR_128(8, 4, ) |
| DC_PREDICTOR_128(8, 16, ) |
| DC_PREDICTOR_128(8, 32, ) |
| DC_PREDICTOR_128(16, 4, q) |
| DC_PREDICTOR_128(16, 8, q) |
| DC_PREDICTOR_128(16, 32, q) |
| DC_PREDICTOR_128(16, 64, q) |
| DC_PREDICTOR_128(32, 8, q) |
| DC_PREDICTOR_128(32, 16, q) |
| DC_PREDICTOR_128(32, 64, q) |
| DC_PREDICTOR_128(64, 32, q) |
| DC_PREDICTOR_128(64, 16, q) |
| |
| #undef DC_PREDICTOR_128 |
| |
| #define DC_PREDICTOR_LEFT(w, h, shift, q) \ |
| void aom_dc_left_predictor_##w##x##h##_neon(uint8_t *dst, ptrdiff_t stride, \ |
| const uint8_t *above, \ |
| const uint8_t *left) { \ |
| (void)above; \ |
| const uint16x8_t sum = dc_load_sum_##h(left); \ |
| const uint8x8_t dc0 = vrshrn_n_u16(sum, (shift)); \ |
| dc_store_##w##xh(dst, stride, (h), vdup##q##_lane_u8(dc0, 0)); \ |
| } |
| |
| DC_PREDICTOR_LEFT(4, 8, 3, ) |
| DC_PREDICTOR_LEFT(8, 4, 2, ) |
| DC_PREDICTOR_LEFT(8, 16, 4, ) |
| DC_PREDICTOR_LEFT(16, 8, 3, q) |
| DC_PREDICTOR_LEFT(16, 32, 5, q) |
| DC_PREDICTOR_LEFT(32, 16, 4, q) |
| DC_PREDICTOR_LEFT(32, 64, 6, q) |
| DC_PREDICTOR_LEFT(64, 32, 5, q) |
| DC_PREDICTOR_LEFT(4, 16, 4, ) |
| DC_PREDICTOR_LEFT(16, 4, 2, q) |
| DC_PREDICTOR_LEFT(8, 32, 5, ) |
| DC_PREDICTOR_LEFT(32, 8, 3, q) |
| DC_PREDICTOR_LEFT(16, 64, 6, q) |
| DC_PREDICTOR_LEFT(64, 16, 4, q) |
| |
| #undef DC_PREDICTOR_LEFT |
| |
| #define DC_PREDICTOR_TOP(w, h, shift, q) \ |
| void aom_dc_top_predictor_##w##x##h##_neon(uint8_t *dst, ptrdiff_t stride, \ |
| const uint8_t *above, \ |
| const uint8_t *left) { \ |
| (void)left; \ |
| const uint16x8_t sum = dc_load_sum_##w(above); \ |
| const uint8x8_t dc0 = vrshrn_n_u16(sum, (shift)); \ |
| dc_store_##w##xh(dst, stride, (h), vdup##q##_lane_u8(dc0, 0)); \ |
| } |
| |
| DC_PREDICTOR_TOP(4, 8, 2, ) |
| DC_PREDICTOR_TOP(4, 16, 2, ) |
| DC_PREDICTOR_TOP(8, 4, 3, ) |
| DC_PREDICTOR_TOP(8, 16, 3, ) |
| DC_PREDICTOR_TOP(8, 32, 3, ) |
| DC_PREDICTOR_TOP(16, 4, 4, q) |
| DC_PREDICTOR_TOP(16, 8, 4, q) |
| DC_PREDICTOR_TOP(16, 32, 4, q) |
| DC_PREDICTOR_TOP(16, 64, 4, q) |
| DC_PREDICTOR_TOP(32, 8, 5, q) |
| DC_PREDICTOR_TOP(32, 16, 5, q) |
| DC_PREDICTOR_TOP(32, 64, 5, q) |
| DC_PREDICTOR_TOP(64, 16, 6, q) |
| DC_PREDICTOR_TOP(64, 32, 6, q) |
| |
| #undef DC_PREDICTOR_TOP |
| |
| // ----------------------------------------------------------------------------- |
| |
| static INLINE void v_store_4xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x8_t d0) { |
| for (int i = 0; i < h; ++i) { |
| store_u8_4x1(dst + i * stride, d0, 0); |
| } |
| } |
| |
| static INLINE void v_store_8xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x8_t d0) { |
| for (int i = 0; i < h; ++i) { |
| vst1_u8(dst + i * stride, d0); |
| } |
| } |
| |
| static INLINE void v_store_16xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x16_t d0) { |
| for (int i = 0; i < h; ++i) { |
| vst1q_u8(dst + i * stride, d0); |
| } |
| } |
| |
| static INLINE void v_store_32xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x16_t d0, uint8x16_t d1) { |
| for (int i = 0; i < h; ++i) { |
| vst1q_u8(dst + 0, d0); |
| vst1q_u8(dst + 16, d1); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void v_store_64xh(uint8_t *dst, ptrdiff_t stride, int h, |
| uint8x16_t d0, uint8x16_t d1, uint8x16_t d2, |
| uint8x16_t d3) { |
| for (int i = 0; i < h; ++i) { |
| vst1q_u8(dst + 0, d0); |
| vst1q_u8(dst + 16, d1); |
| vst1q_u8(dst + 32, d2); |
| vst1q_u8(dst + 48, d3); |
| dst += stride; |
| } |
| } |
| |
| void aom_v_predictor_4x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_4xh(dst, stride, 4, load_u8_4x1(above)); |
| } |
| |
| void aom_v_predictor_8x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_8xh(dst, stride, 8, vld1_u8(above)); |
| } |
| |
| void aom_v_predictor_16x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_16xh(dst, stride, 16, vld1q_u8(above)); |
| } |
| |
| void aom_v_predictor_32x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(above); |
| const uint8x16_t d1 = vld1q_u8(above + 16); |
| (void)left; |
| v_store_32xh(dst, stride, 32, d0, d1); |
| } |
| |
| void aom_v_predictor_4x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_4xh(dst, stride, 8, load_u8_4x1(above)); |
| } |
| |
| void aom_v_predictor_4x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_4xh(dst, stride, 16, load_u8_4x1(above)); |
| } |
| |
| void aom_v_predictor_8x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_8xh(dst, stride, 4, vld1_u8(above)); |
| } |
| |
| void aom_v_predictor_8x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_8xh(dst, stride, 16, vld1_u8(above)); |
| } |
| |
| void aom_v_predictor_8x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_8xh(dst, stride, 32, vld1_u8(above)); |
| } |
| |
| void aom_v_predictor_16x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_16xh(dst, stride, 4, vld1q_u8(above)); |
| } |
| |
| void aom_v_predictor_16x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_16xh(dst, stride, 8, vld1q_u8(above)); |
| } |
| |
| void aom_v_predictor_16x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_16xh(dst, stride, 32, vld1q_u8(above)); |
| } |
| |
| void aom_v_predictor_16x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)left; |
| v_store_16xh(dst, stride, 64, vld1q_u8(above)); |
| } |
| |
| void aom_v_predictor_32x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(above); |
| const uint8x16_t d1 = vld1q_u8(above + 16); |
| (void)left; |
| v_store_32xh(dst, stride, 8, d0, d1); |
| } |
| |
| void aom_v_predictor_32x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(above); |
| const uint8x16_t d1 = vld1q_u8(above + 16); |
| (void)left; |
| v_store_32xh(dst, stride, 16, d0, d1); |
| } |
| |
| void aom_v_predictor_32x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(above); |
| const uint8x16_t d1 = vld1q_u8(above + 16); |
| (void)left; |
| v_store_32xh(dst, stride, 64, d0, d1); |
| } |
| |
| void aom_v_predictor_64x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(above); |
| const uint8x16_t d1 = vld1q_u8(above + 16); |
| const uint8x16_t d2 = vld1q_u8(above + 32); |
| const uint8x16_t d3 = vld1q_u8(above + 48); |
| (void)left; |
| v_store_64xh(dst, stride, 16, d0, d1, d2, d3); |
| } |
| |
| void aom_v_predictor_64x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(above); |
| const uint8x16_t d1 = vld1q_u8(above + 16); |
| const uint8x16_t d2 = vld1q_u8(above + 32); |
| const uint8x16_t d3 = vld1q_u8(above + 48); |
| (void)left; |
| v_store_64xh(dst, stride, 32, d0, d1, d2, d3); |
| } |
| |
| void aom_v_predictor_64x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(above); |
| const uint8x16_t d1 = vld1q_u8(above + 16); |
| const uint8x16_t d2 = vld1q_u8(above + 32); |
| const uint8x16_t d3 = vld1q_u8(above + 48); |
| (void)left; |
| v_store_64xh(dst, stride, 64, d0, d1, d2, d3); |
| } |
| |
| // ----------------------------------------------------------------------------- |
| |
| static INLINE void h_store_4x8(uint8_t *dst, ptrdiff_t stride, uint8x8_t d0) { |
| store_u8_4x1(dst + 0 * stride, vdup_lane_u8(d0, 0), 0); |
| store_u8_4x1(dst + 1 * stride, vdup_lane_u8(d0, 1), 0); |
| store_u8_4x1(dst + 2 * stride, vdup_lane_u8(d0, 2), 0); |
| store_u8_4x1(dst + 3 * stride, vdup_lane_u8(d0, 3), 0); |
| store_u8_4x1(dst + 4 * stride, vdup_lane_u8(d0, 4), 0); |
| store_u8_4x1(dst + 5 * stride, vdup_lane_u8(d0, 5), 0); |
| store_u8_4x1(dst + 6 * stride, vdup_lane_u8(d0, 6), 0); |
| store_u8_4x1(dst + 7 * stride, vdup_lane_u8(d0, 7), 0); |
| } |
| |
| static INLINE void h_store_8x8(uint8_t *dst, ptrdiff_t stride, uint8x8_t d0) { |
| vst1_u8(dst + 0 * stride, vdup_lane_u8(d0, 0)); |
| vst1_u8(dst + 1 * stride, vdup_lane_u8(d0, 1)); |
| vst1_u8(dst + 2 * stride, vdup_lane_u8(d0, 2)); |
| vst1_u8(dst + 3 * stride, vdup_lane_u8(d0, 3)); |
| vst1_u8(dst + 4 * stride, vdup_lane_u8(d0, 4)); |
| vst1_u8(dst + 5 * stride, vdup_lane_u8(d0, 5)); |
| vst1_u8(dst + 6 * stride, vdup_lane_u8(d0, 6)); |
| vst1_u8(dst + 7 * stride, vdup_lane_u8(d0, 7)); |
| } |
| |
| static INLINE void h_store_16x8(uint8_t *dst, ptrdiff_t stride, uint8x8_t d0) { |
| vst1q_u8(dst + 0 * stride, vdupq_lane_u8(d0, 0)); |
| vst1q_u8(dst + 1 * stride, vdupq_lane_u8(d0, 1)); |
| vst1q_u8(dst + 2 * stride, vdupq_lane_u8(d0, 2)); |
| vst1q_u8(dst + 3 * stride, vdupq_lane_u8(d0, 3)); |
| vst1q_u8(dst + 4 * stride, vdupq_lane_u8(d0, 4)); |
| vst1q_u8(dst + 5 * stride, vdupq_lane_u8(d0, 5)); |
| vst1q_u8(dst + 6 * stride, vdupq_lane_u8(d0, 6)); |
| vst1q_u8(dst + 7 * stride, vdupq_lane_u8(d0, 7)); |
| } |
| |
| static INLINE void h_store_32x8(uint8_t *dst, ptrdiff_t stride, uint8x8_t d0) { |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 0)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 0)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 1)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 1)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 2)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 2)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 3)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 3)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 4)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 4)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 5)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 5)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 6)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 6)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 7)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 7)); |
| } |
| |
| static INLINE void h_store_64x8(uint8_t *dst, ptrdiff_t stride, uint8x8_t d0) { |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 0)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 0)); |
| vst1q_u8(dst + 32, vdupq_lane_u8(d0, 0)); |
| vst1q_u8(dst + 48, vdupq_lane_u8(d0, 0)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 1)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 1)); |
| vst1q_u8(dst + 32, vdupq_lane_u8(d0, 1)); |
| vst1q_u8(dst + 48, vdupq_lane_u8(d0, 1)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 2)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 2)); |
| vst1q_u8(dst + 32, vdupq_lane_u8(d0, 2)); |
| vst1q_u8(dst + 48, vdupq_lane_u8(d0, 2)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 3)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 3)); |
| vst1q_u8(dst + 32, vdupq_lane_u8(d0, 3)); |
| vst1q_u8(dst + 48, vdupq_lane_u8(d0, 3)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 4)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 4)); |
| vst1q_u8(dst + 32, vdupq_lane_u8(d0, 4)); |
| vst1q_u8(dst + 48, vdupq_lane_u8(d0, 4)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 5)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 5)); |
| vst1q_u8(dst + 32, vdupq_lane_u8(d0, 5)); |
| vst1q_u8(dst + 48, vdupq_lane_u8(d0, 5)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 6)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 6)); |
| vst1q_u8(dst + 32, vdupq_lane_u8(d0, 6)); |
| vst1q_u8(dst + 48, vdupq_lane_u8(d0, 6)); |
| dst += stride; |
| vst1q_u8(dst + 0, vdupq_lane_u8(d0, 7)); |
| vst1q_u8(dst + 16, vdupq_lane_u8(d0, 7)); |
| vst1q_u8(dst + 32, vdupq_lane_u8(d0, 7)); |
| vst1q_u8(dst + 48, vdupq_lane_u8(d0, 7)); |
| } |
| |
| void aom_h_predictor_4x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t d0 = load_u8_4x1(left); |
| (void)above; |
| store_u8_4x1(dst + 0 * stride, vdup_lane_u8(d0, 0), 0); |
| store_u8_4x1(dst + 1 * stride, vdup_lane_u8(d0, 1), 0); |
| store_u8_4x1(dst + 2 * stride, vdup_lane_u8(d0, 2), 0); |
| store_u8_4x1(dst + 3 * stride, vdup_lane_u8(d0, 3), 0); |
| } |
| |
| void aom_h_predictor_8x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t d0 = vld1_u8(left); |
| (void)above; |
| h_store_8x8(dst, stride, d0); |
| } |
| |
| void aom_h_predictor_16x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| (void)above; |
| h_store_16x8(dst, stride, vget_low_u8(d0)); |
| h_store_16x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| } |
| |
| void aom_h_predictor_32x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| const uint8x16_t d1 = vld1q_u8(left + 16); |
| (void)above; |
| h_store_32x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_32x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| h_store_32x8(dst + 16 * stride, stride, vget_low_u8(d1)); |
| h_store_32x8(dst + 24 * stride, stride, vget_high_u8(d1)); |
| } |
| |
| void aom_h_predictor_4x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t d0 = vld1_u8(left); |
| (void)above; |
| h_store_4x8(dst, stride, d0); |
| } |
| |
| void aom_h_predictor_4x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| (void)above; |
| h_store_4x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_4x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| } |
| |
| void aom_h_predictor_8x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t d0 = load_u8_4x1(left); |
| (void)above; |
| vst1_u8(dst + 0 * stride, vdup_lane_u8(d0, 0)); |
| vst1_u8(dst + 1 * stride, vdup_lane_u8(d0, 1)); |
| vst1_u8(dst + 2 * stride, vdup_lane_u8(d0, 2)); |
| vst1_u8(dst + 3 * stride, vdup_lane_u8(d0, 3)); |
| } |
| |
| void aom_h_predictor_8x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| (void)above; |
| h_store_8x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_8x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| } |
| |
| void aom_h_predictor_8x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| const uint8x16_t d1 = vld1q_u8(left + 16); |
| (void)above; |
| h_store_8x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_8x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| h_store_8x8(dst + 16 * stride, stride, vget_low_u8(d1)); |
| h_store_8x8(dst + 24 * stride, stride, vget_high_u8(d1)); |
| } |
| |
| void aom_h_predictor_16x4_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t d0 = load_u8_4x1(left); |
| (void)above; |
| vst1q_u8(dst + 0 * stride, vdupq_lane_u8(d0, 0)); |
| vst1q_u8(dst + 1 * stride, vdupq_lane_u8(d0, 1)); |
| vst1q_u8(dst + 2 * stride, vdupq_lane_u8(d0, 2)); |
| vst1q_u8(dst + 3 * stride, vdupq_lane_u8(d0, 3)); |
| } |
| |
| void aom_h_predictor_16x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t d0 = vld1_u8(left); |
| (void)above; |
| h_store_16x8(dst, stride, d0); |
| } |
| |
| void aom_h_predictor_16x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| const uint8x16_t d1 = vld1q_u8(left + 16); |
| (void)above; |
| h_store_16x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_16x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| h_store_16x8(dst + 16 * stride, stride, vget_low_u8(d1)); |
| h_store_16x8(dst + 24 * stride, stride, vget_high_u8(d1)); |
| } |
| |
| void aom_h_predictor_16x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| const uint8x16_t d1 = vld1q_u8(left + 16); |
| const uint8x16_t d2 = vld1q_u8(left + 32); |
| const uint8x16_t d3 = vld1q_u8(left + 48); |
| (void)above; |
| h_store_16x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_16x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| h_store_16x8(dst + 16 * stride, stride, vget_low_u8(d1)); |
| h_store_16x8(dst + 24 * stride, stride, vget_high_u8(d1)); |
| h_store_16x8(dst + 32 * stride, stride, vget_low_u8(d2)); |
| h_store_16x8(dst + 40 * stride, stride, vget_high_u8(d2)); |
| h_store_16x8(dst + 48 * stride, stride, vget_low_u8(d3)); |
| h_store_16x8(dst + 56 * stride, stride, vget_high_u8(d3)); |
| } |
| |
| void aom_h_predictor_32x8_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x8_t d0 = vld1_u8(left); |
| (void)above; |
| h_store_32x8(dst, stride, d0); |
| } |
| |
| void aom_h_predictor_32x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| (void)above; |
| h_store_32x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_32x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| } |
| |
| void aom_h_predictor_32x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left + 0); |
| const uint8x16_t d1 = vld1q_u8(left + 16); |
| const uint8x16_t d2 = vld1q_u8(left + 32); |
| const uint8x16_t d3 = vld1q_u8(left + 48); |
| (void)above; |
| h_store_32x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_32x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| h_store_32x8(dst + 16 * stride, stride, vget_low_u8(d1)); |
| h_store_32x8(dst + 24 * stride, stride, vget_high_u8(d1)); |
| h_store_32x8(dst + 32 * stride, stride, vget_low_u8(d2)); |
| h_store_32x8(dst + 40 * stride, stride, vget_high_u8(d2)); |
| h_store_32x8(dst + 48 * stride, stride, vget_low_u8(d3)); |
| h_store_32x8(dst + 56 * stride, stride, vget_high_u8(d3)); |
| } |
| |
| void aom_h_predictor_64x16_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| (void)above; |
| h_store_64x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_64x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| } |
| |
| void aom_h_predictor_64x32_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)above; |
| for (int i = 0; i < 2; ++i) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| h_store_64x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_64x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| left += 16; |
| dst += 16 * stride; |
| } |
| } |
| |
| void aom_h_predictor_64x64_neon(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| (void)above; |
| for (int i = 0; i < 4; ++i) { |
| const uint8x16_t d0 = vld1q_u8(left); |
| h_store_64x8(dst + 0 * stride, stride, vget_low_u8(d0)); |
| h_store_64x8(dst + 8 * stride, stride, vget_high_u8(d0)); |
| left += 16; |
| dst += 16 * stride; |
| } |
| } |
| |
| /* ---------------------P R E D I C T I O N Z 1--------------------------- */ |
| |
| static DECLARE_ALIGNED(16, uint8_t, EvenOddMaskx[8][16]) = { |
| { 0, 2, 4, 6, 8, 10, 12, 14, 1, 3, 5, 7, 9, 11, 13, 15 }, |
| { 0, 1, 3, 5, 7, 9, 11, 13, 0, 2, 4, 6, 8, 10, 12, 14 }, |
| { 0, 0, 2, 4, 6, 8, 10, 12, 0, 0, 3, 5, 7, 9, 11, 13 }, |
| { 0, 0, 0, 3, 5, 7, 9, 11, 0, 0, 0, 4, 6, 8, 10, 12 }, |
| { 0, 0, 0, 0, 4, 6, 8, 10, 0, 0, 0, 0, 5, 7, 9, 11 }, |
| { 0, 0, 0, 0, 0, 5, 7, 9, 0, 0, 0, 0, 0, 6, 8, 10 }, |
| { 0, 0, 0, 0, 0, 0, 6, 8, 0, 0, 0, 0, 0, 0, 7, 9 }, |
| { 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 8 } |
| }; |
| |
| // Low bit depth functions |
| static DECLARE_ALIGNED(32, uint8_t, BaseMask[33][32]) = { |
| { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, |
| }; |
| |
| static AOM_FORCE_INLINE void dr_prediction_z1_HxW_internal_neon_64( |
| int H, int W, uint8x8_t *dst, const uint8_t *above, int upsample_above, |
| int dx) { |
| const int frac_bits = 6 - upsample_above; |
| const int max_base_x = ((W + H) - 1) << upsample_above; |
| |
| assert(dx > 0); |
| // pre-filter above pixels |
| // store in temp buffers: |
| // above[x] * 32 + 16 |
| // above[x+1] - above[x] |
| // final pixels will be calculated as: |
| // (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5 |
| |
| const uint16x8_t a16 = vdupq_n_u16(16); |
| const uint8x8_t a_mbase_x = vdup_n_u8(above[max_base_x]); |
| const uint8x8_t v_32 = vdup_n_u8(32); |
| |
| int x = dx; |
| for (int r = 0; r < W; r++) { |
| int base = x >> frac_bits; |
| int base_max_diff = (max_base_x - base) >> upsample_above; |
| if (base_max_diff <= 0) { |
| for (int i = r; i < W; ++i) { |
| dst[i] = a_mbase_x; // save 4 values |
| } |
| return; |
| } |
| |
| if (base_max_diff > H) base_max_diff = H; |
| |
| uint8x8x2_t a01_128; |
| uint16x8_t shift; |
| if (upsample_above) { |
| a01_128 = vld2_u8(above + base); |
| shift = vdupq_n_u16(((x << upsample_above) & 0x3f) >> 1); |
| } else { |
| a01_128.val[0] = vld1_u8(above + base); |
| a01_128.val[1] = vld1_u8(above + base + 1); |
| shift = vdupq_n_u16((x & 0x3f) >> 1); |
| } |
| uint16x8_t diff = vsubl_u8(a01_128.val[1], a01_128.val[0]); |
| uint16x8_t a32 = vmlal_u8(a16, a01_128.val[0], v_32); |
| uint16x8_t res = vmlaq_u16(a32, diff, shift); |
| |
| uint8x8_t mask = vld1_u8(BaseMask[base_max_diff]); |
| dst[r] = vbsl_u8(mask, vshrn_n_u16(res, 5), a_mbase_x); |
| |
| x += dx; |
| } |
| } |
| |
| static void dr_prediction_z1_4xN_neon(int N, uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, int upsample_above, |
| int dx) { |
| uint8x8_t dstvec[16]; |
| |
| dr_prediction_z1_HxW_internal_neon_64(4, N, dstvec, above, upsample_above, |
| dx); |
| for (int i = 0; i < N; i++) { |
| vst1_lane_u32((uint32_t *)(dst + stride * i), |
| vreinterpret_u32_u8(dstvec[i]), 0); |
| } |
| } |
| |
| static void dr_prediction_z1_8xN_neon(int N, uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, int upsample_above, |
| int dx) { |
| uint8x8_t dstvec[32]; |
| |
| dr_prediction_z1_HxW_internal_neon_64(8, N, dstvec, above, upsample_above, |
| dx); |
| for (int i = 0; i < N; i++) { |
| vst1_u8(dst + stride * i, dstvec[i]); |
| } |
| } |
| |
| static AOM_FORCE_INLINE void dr_prediction_z1_HxW_internal_neon( |
| int H, int W, uint8x16_t *dst, const uint8_t *above, int upsample_above, |
| int dx) { |
| const int frac_bits = 6 - upsample_above; |
| const int max_base_x = ((W + H) - 1) << upsample_above; |
| |
| assert(dx > 0); |
| // pre-filter above pixels |
| // store in temp buffers: |
| // above[x] * 32 + 16 |
| // above[x+1] - above[x] |
| // final pixels will be calculated as: |
| // (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5 |
| |
| const uint16x8_t a16 = vdupq_n_u16(16); |
| const uint8x16_t a_mbase_x = vdupq_n_u8(above[max_base_x]); |
| const uint8x8_t v_32 = vdup_n_u8(32); |
| const uint8x16_t v_zero = vdupq_n_u8(0); |
| |
| int x = dx; |
| for (int r = 0; r < W; r++) { |
| uint16x8x2_t res; |
| uint16x8_t shift; |
| uint8x16_t a0_128, a1_128; |
| |
| int base = x >> frac_bits; |
| int base_max_diff = (max_base_x - base) >> upsample_above; |
| if (base_max_diff <= 0) { |
| for (int i = r; i < W; ++i) { |
| dst[i] = a_mbase_x; // save 4 values |
| } |
| return; |
| } |
| |
| if (base_max_diff > H) base_max_diff = H; |
| |
| if (upsample_above) { |
| uint8x8x2_t v_tmp_a0_128 = vld2_u8(above + base); |
| a0_128 = vcombine_u8(v_tmp_a0_128.val[0], v_tmp_a0_128.val[1]); |
| a1_128 = vextq_u8(a0_128, v_zero, 8); |
| shift = vdupq_n_u16(((x << upsample_above) & 0x3f) >> 1); |
| } else { |
| a0_128 = vld1q_u8(above + base); |
| a1_128 = vld1q_u8(above + base + 1); |
| shift = vdupq_n_u16((x & 0x3f) >> 1); |
| } |
| uint16x8x2_t diff, a32; |
| diff.val[0] = vsubl_u8(vget_low_u8(a1_128), vget_low_u8(a0_128)); |
| diff.val[1] = vsubl_u8(vget_high_u8(a1_128), vget_high_u8(a0_128)); |
| a32.val[0] = vmlal_u8(a16, vget_low_u8(a0_128), v_32); |
| a32.val[1] = vmlal_u8(a16, vget_high_u8(a0_128), v_32); |
| res.val[0] = vmlaq_u16(a32.val[0], diff.val[0], shift); |
| res.val[1] = vmlaq_u16(a32.val[1], diff.val[1], shift); |
| uint8x16_t v_temp = |
| vcombine_u8(vshrn_n_u16(res.val[0], 5), vshrn_n_u16(res.val[1], 5)); |
| |
| uint8x16_t mask = vld1q_u8(BaseMask[base_max_diff]); |
| dst[r] = vbslq_u8(mask, v_temp, a_mbase_x); |
| |
| x += dx; |
| } |
| } |
| |
| static void dr_prediction_z1_16xN_neon(int N, uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, int upsample_above, |
| int dx) { |
| uint8x16_t dstvec[64]; |
| |
| dr_prediction_z1_HxW_internal_neon(16, N, dstvec, above, upsample_above, dx); |
| for (int i = 0; i < N; i++) { |
| vst1q_u8(dst + stride * i, dstvec[i]); |
| } |
| } |
| |
| static AOM_FORCE_INLINE void dr_prediction_z1_32xN_internal_neon( |
| int N, uint8x16x2_t *dstvec, const uint8_t *above, int upsample_above, |
| int dx) { |
| // here upsample_above is 0 by design of av1_use_intra_edge_upsample |
| (void)upsample_above; |
| const int frac_bits = 6; |
| const int max_base_x = ((32 + N) - 1); |
| |
| // pre-filter above pixels |
| // store in temp buffers: |
| // above[x] * 32 + 16 |
| // above[x+1] - above[x] |
| // final pixels will be calculated as: |
| // (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5 |
| |
| const uint8x16_t a_mbase_x = vdupq_n_u8(above[max_base_x]); |
| const uint16x8_t a16 = vdupq_n_u16(16); |
| const uint8x8_t v_32 = vdup_n_u8(32); |
| |
| int x = dx; |
| for (int r = 0; r < N; r++) { |
| uint8x16_t res16[2]; |
| |
| int base = x >> frac_bits; |
| int base_max_diff = (max_base_x - base); |
| if (base_max_diff <= 0) { |
| for (int i = r; i < N; ++i) { |
| dstvec[i].val[0] = a_mbase_x; // save 32 values |
| dstvec[i].val[1] = a_mbase_x; |
| } |
| return; |
| } |
| if (base_max_diff > 32) base_max_diff = 32; |
| |
| uint16x8_t shift = vdupq_n_u16((x & 0x3f) >> 1); |
| |
| for (int j = 0, jj = 0; j < 32; j += 16, jj++) { |
| int mdiff = base_max_diff - j; |
| if (mdiff <= 0) { |
| res16[jj] = a_mbase_x; |
| } else { |
| uint16x8x2_t a32, diff, res; |
| uint8x16_t a0_128, a1_128; |
| a0_128 = vld1q_u8(above + base + j); |
| a1_128 = vld1q_u8(above + base + j + 1); |
| diff.val[0] = vsubl_u8(vget_low_u8(a1_128), vget_low_u8(a0_128)); |
| diff.val[1] = vsubl_u8(vget_high_u8(a1_128), vget_high_u8(a0_128)); |
| a32.val[0] = vmlal_u8(a16, vget_low_u8(a0_128), v_32); |
| a32.val[1] = vmlal_u8(a16, vget_high_u8(a0_128), v_32); |
| res.val[0] = vmlaq_u16(a32.val[0], diff.val[0], shift); |
| res.val[1] = vmlaq_u16(a32.val[1], diff.val[1], shift); |
| |
| res16[jj] = |
| vcombine_u8(vshrn_n_u16(res.val[0], 5), vshrn_n_u16(res.val[1], 5)); |
| } |
| } |
| |
| uint8x16x2_t mask; |
| |
| mask.val[0] = vld1q_u8(BaseMask[base_max_diff]); |
| mask.val[1] = vld1q_u8(BaseMask[base_max_diff] + 16); |
| dstvec[r].val[0] = vbslq_u8(mask.val[0], res16[0], a_mbase_x); |
| dstvec[r].val[1] = vbslq_u8(mask.val[1], res16[1], a_mbase_x); |
| x += dx; |
| } |
| } |
| |
| static void dr_prediction_z1_32xN_neon(int N, uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, int upsample_above, |
| int dx) { |
| uint8x16x2_t dstvec[64]; |
| |
| dr_prediction_z1_32xN_internal_neon(N, dstvec, above, upsample_above, dx); |
| for (int i = 0; i < N; i++) { |
| vst1q_u8(dst + stride * i, dstvec[i].val[0]); |
| vst1q_u8(dst + stride * i + 16, dstvec[i].val[1]); |
| } |
| } |
| |
| static void dr_prediction_z1_64xN_neon(int N, uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, int upsample_above, |
| int dx) { |
| // here upsample_above is 0 by design of av1_use_intra_edge_upsample |
| (void)upsample_above; |
| const int frac_bits = 6; |
| const int max_base_x = ((64 + N) - 1); |
| |
| // pre-filter above pixels |
| // store in temp buffers: |
| // above[x] * 32 + 16 |
| // above[x+1] - above[x] |
| // final pixels will be calculated as: |
| // (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5 |
| |
| const uint16x8_t a16 = vdupq_n_u16(16); |
| const uint8x16_t a_mbase_x = vdupq_n_u8(above[max_base_x]); |
| const uint8x16_t max_base_x128 = vdupq_n_u8(max_base_x); |
| const uint8x8_t v_32 = vdup_n_u8(32); |
| const uint8x16_t v_zero = vdupq_n_u8(0); |
| const uint8x16_t step = vdupq_n_u8(16); |
| |
| int x = dx; |
| for (int r = 0; r < N; r++, dst += stride) { |
| int base = x >> frac_bits; |
| if (base >= max_base_x) { |
| for (int i = r; i < N; ++i) { |
| vst1q_u8(dst, a_mbase_x); |
| vst1q_u8(dst + 16, a_mbase_x); |
| vst1q_u8(dst + 32, a_mbase_x); |
| vst1q_u8(dst + 48, a_mbase_x); |
| dst += stride; |
| } |
| return; |
| } |
| |
| uint16x8_t shift = vdupq_n_u16((x & 0x3f) >> 1); |
| uint8x16_t base_inc128 = |
| vaddq_u8(vdupq_n_u8(base), vcombine_u8(vcreate_u8(0x0706050403020100), |
| vcreate_u8(0x0F0E0D0C0B0A0908))); |
| |
| for (int j = 0; j < 64; j += 16) { |
| int mdif = max_base_x - (base + j); |
| if (mdif <= 0) { |
| vst1q_u8(dst + j, a_mbase_x); |
| } else { |
| uint16x8x2_t a32, diff, res; |
| uint8x16_t a0_128, a1_128, mask128, res128; |
| a0_128 = vld1q_u8(above + base + j); |
| a1_128 = vld1q_u8(above + base + 1 + j); |
| diff.val[0] = vsubl_u8(vget_low_u8(a1_128), vget_low_u8(a0_128)); |
| diff.val[1] = vsubl_u8(vget_high_u8(a1_128), vget_high_u8(a0_128)); |
| a32.val[0] = vmlal_u8(a16, vget_low_u8(a0_128), v_32); |
| a32.val[1] = vmlal_u8(a16, vget_high_u8(a0_128), v_32); |
| res.val[0] = vmlaq_u16(a32.val[0], diff.val[0], shift); |
| res.val[1] = vmlaq_u16(a32.val[1], diff.val[1], shift); |
| uint8x16_t v_temp = |
| vcombine_u8(vshrn_n_u16(res.val[0], 5), vshrn_n_u16(res.val[1], 5)); |
| |
| mask128 = vcgtq_u8(vqsubq_u8(max_base_x128, base_inc128), v_zero); |
| res128 = vbslq_u8(mask128, v_temp, a_mbase_x); |
| vst1q_u8(dst + j, res128); |
| |
| base_inc128 = vaddq_u8(base_inc128, step); |
| } |
| } |
| x += dx; |
| } |
| } |
| |
| // Directional prediction, zone 1: 0 < angle < 90 |
| void av1_dr_prediction_z1_neon(uint8_t *dst, ptrdiff_t stride, int bw, int bh, |
| const uint8_t *above, const uint8_t *left, |
| int upsample_above, int dx, int dy) { |
| (void)left; |
| (void)dy; |
| |
| switch (bw) { |
| case 4: |
| dr_prediction_z1_4xN_neon(bh, dst, stride, above, upsample_above, dx); |
| break; |
| case 8: |
| dr_prediction_z1_8xN_neon(bh, dst, stride, above, upsample_above, dx); |
| break; |
| case 16: |
| dr_prediction_z1_16xN_neon(bh, dst, stride, above, upsample_above, dx); |
| break; |
| case 32: |
| dr_prediction_z1_32xN_neon(bh, dst, stride, above, upsample_above, dx); |
| break; |
| case 64: |
| dr_prediction_z1_64xN_neon(bh, dst, stride, above, upsample_above, dx); |
| break; |
| default: break; |
| } |
| } |
| |
| /* ---------------------P R E D I C T I O N Z 2--------------------------- */ |
| |
| static DECLARE_ALIGNED(16, uint8_t, LoadMaskz2[4][16]) = { |
| { 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, |
| 0, 0, 0 }, |
| { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff } |
| }; |
| |
| static AOM_FORCE_INLINE void vector_shift_x4(uint8x8_t *vec, uint8x8_t *v_zero, |
| int shift_value) { |
| switch (shift_value) { |
| case 1: *vec = vext_u8(*v_zero, *vec, 7); break; |
| case 2: *vec = vext_u8(*v_zero, *vec, 6); break; |
| case 3: *vec = vext_u8(*v_zero, *vec, 5); break; |
| default: break; |
| } |
| } |
| |
| static void dr_prediction_z2_Nx4_neon(int N, uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left, |
| int upsample_above, int upsample_left, |
| int dx, int dy) { |
| const int min_base_x = -(1 << upsample_above); |
| const int min_base_y = -(1 << upsample_left); |
| const int frac_bits_x = 6 - upsample_above; |
| const int frac_bits_y = 6 - upsample_left; |
| |
| assert(dx > 0); |
| // pre-filter above pixels |
| // store in temp buffers: |
| // above[x] * 32 + 16 |
| // above[x+1] - above[x] |
| // final pixels will be calculated as: |
| // (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5 |
| uint16x8_t a0_x, a1_x, a32, diff; |
| uint16x8_t v_32 = vdupq_n_u16(32); |
| uint16x8_t v_zero = vdupq_n_u16(0); |
| uint16x8_t a16 = vdupq_n_u16(16); |
| |
| uint8x8_t v_zero_u8 = vdup_n_u8(0); |
| uint16x4_t v_c3f = vdup_n_u16(0x3f); |
| uint16x4_t r6 = vcreate_u16(0x00C0008000400000); |
| int16x4_t v_upsample_left = vdup_n_s16(upsample_left); |
| int16x4_t v_upsample_above = vdup_n_s16(upsample_above); |
| int16x4_t v_1234 = vcreate_s16(0x0004000300020001); |
| int16x4_t dy64 = vdup_n_s16(dy); |
| int16x4_t v_frac_bits_y = vdup_n_s16(-frac_bits_y); |
| int16x4_t min_base_y64 = vdup_n_s16(min_base_y); |
| |
| #if AOM_ARCH_AARCH64 |
| // Use ext rather than loading left + 14 directly to avoid over-read. |
| const uint8x16_t left_m2 = vld1q_u8(left - 2); |
| const uint8x16_t left_0 = vld1q_u8(left); |
| const uint8x16_t left_14 = vextq_u8(left_0, left_0, 14); |
| const uint8x16x2_t left_vals = { { left_m2, left_14 } }; |
| #endif // AOM_ARCH_AARCH64 |
| |
| for (int r = 0; r < N; r++) { |
| uint16x8_t res, shift; |
| uint8x8_t resx, resy; |
| uint16x4x2_t v_shift; |
| v_shift.val[1] = vdup_n_u16(0); |
| int y = r + 1; |
| int base_x = (-y * dx) >> frac_bits_x; |
| int base_shift = 0; |
| if (base_x < (min_base_x - 1)) { |
| base_shift = (min_base_x - base_x - 1) >> upsample_above; |
| } |
| int base_min_diff = |
| (min_base_x - base_x + upsample_above) >> upsample_above; |
| if (base_min_diff > 4) { |
| base_min_diff = 4; |
| } else { |
| if (base_min_diff < 0) base_min_diff = 0; |
| } |
| |
| if (base_shift > 3) { |
| a0_x = v_zero; |
| a1_x = v_zero; |
| v_shift.val[0] = vreinterpret_u16_u8(v_zero_u8); |
| v_shift.val[1] = vreinterpret_u16_u8(v_zero_u8); |
| } else { |
| uint16x4_t ydx = vdup_n_u16(y * dx); |
| |
| if (upsample_above) { |
| uint8x8x2_t v_tmp; |
| v_tmp.val[0] = vld1_u8(above + base_x + base_shift); |
| v_tmp.val[1] = vld1_u8(above + base_x + base_shift + 8); |
| uint8x8_t v_index_low = vld1_u8(EvenOddMaskx[base_shift]); |
| uint8x8_t v_index_high = vld1_u8(EvenOddMaskx[base_shift] + 8); |
| a0_x = vmovl_u8(vtbl2_u8(v_tmp, v_index_low)); |
| a1_x = vmovl_u8(vtbl2_u8(v_tmp, v_index_high)); |
| v_shift.val[0] = vshr_n_u16( |
| vand_u16(vshl_u16(vsub_u16(r6, ydx), v_upsample_above), v_c3f), 1); |
| } else { |
| uint8x8_t v_a0_x64 = vld1_u8(above + base_x + base_shift); |
| vector_shift_x4(&v_a0_x64, &v_zero_u8, base_shift); |
| uint8x8_t v_a1_x64 = vext_u8(v_a0_x64, v_zero_u8, 1); |
| v_shift.val[0] = vshr_n_u16(vand_u16(vsub_u16(r6, ydx), v_c3f), 1); |
| a0_x = vmovl_u8(v_a0_x64); |
| a1_x = vmovl_u8(v_a1_x64); |
| } |
| } |
| |
| // y calc |
| if (base_x < min_base_x) { |
| int16x4_t v_r6 = vdup_n_s16(r << 6); |
| int16x4_t y_c64 = vmls_s16(v_r6, v_1234, dy64); |
| int16x4_t base_y_c64 = vshl_s16(y_c64, v_frac_bits_y); |
| uint16x4_t mask64 = vcgt_s16(min_base_y64, base_y_c64); |
| |
| // Values in base_y_c64 range from -2 through 14 inclusive. |
| base_y_c64 = vbic_s16(base_y_c64, vreinterpret_s16_u16(mask64)); |
| |
| #if AOM_ARCH_AARCH64 |
| uint8x8_t left_idx0 = |
| vreinterpret_u8_s16(vadd_s16(base_y_c64, vdup_n_s16(2))); // [0, 16] |
| uint8x8_t left_idx1 = |
| vreinterpret_u8_s16(vadd_s16(base_y_c64, vdup_n_s16(3))); // [1, 17] |
| |
| uint8x8_t a0_y = vtrn1_u8(vqtbl2_u8(left_vals, left_idx0), v_zero_u8); |
| uint8x8_t a1_y = vtrn1_u8(vqtbl2_u8(left_vals, left_idx1), v_zero_u8); |
| #else // !AOM_ARCH_AARCH64 |
| DECLARE_ALIGNED(32, int16_t, base_y_c[4]); |
| |
| vst1_s16(base_y_c, base_y_c64); |
| uint8x8_t a0_y = vdup_n_u8(0); |
| a0_y = vld1_lane_u8(left + base_y_c[0], a0_y, 0); |
| a0_y = vld1_lane_u8(left + base_y_c[1], a0_y, 2); |
| a0_y = vld1_lane_u8(left + base_y_c[2], a0_y, 4); |
| a0_y = vld1_lane_u8(left + base_y_c[3], a0_y, 6); |
| |
| base_y_c64 = vadd_s16(base_y_c64, vdup_n_s16(1)); |
| vst1_s16(base_y_c, base_y_c64); |
| uint8x8_t a1_y = vdup_n_u8(0); |
| a1_y = vld1_lane_u8(left + base_y_c[0], a1_y, 0); |
| a1_y = vld1_lane_u8(left + base_y_c[1], a1_y, 2); |
| a1_y = vld1_lane_u8(left + base_y_c[2], a1_y, 4); |
| a1_y = vld1_lane_u8(left + base_y_c[3], a1_y, 6); |
| #endif // AOM_ARCH_AARCH64 |
| |
| if (upsample_left) { |
| v_shift.val[1] = vshr_n_u16( |
| vand_u16(vshl_u16(vreinterpret_u16_s16(y_c64), v_upsample_left), |
| v_c3f), |
| 1); |
| } else { |
| v_shift.val[1] = |
| vshr_n_u16(vand_u16(vreinterpret_u16_s16(y_c64), v_c3f), 1); |
| } |
| |
| a0_x = vcombine_u16(vget_low_u16(a0_x), vreinterpret_u16_u8(a0_y)); |
| a1_x = vcombine_u16(vget_low_u16(a1_x), vreinterpret_u16_u8(a1_y)); |
| } |
| shift = vcombine_u16(v_shift.val[0], v_shift.val[1]); |
| diff = vsubq_u16(a1_x, a0_x); // a[x+1] - a[x] |
| a32 = vmlaq_u16(a16, a0_x, v_32); // a[x] * 32 + 16 |
| res = vmlaq_u16(a32, diff, shift); |
| resx = vshrn_n_u16(res, 5); |
| resy = vext_u8(resx, v_zero_u8, 4); |
| |
| uint8x8_t mask = vld1_u8(BaseMask[base_min_diff]); |
| uint8x8_t v_resxy = vbsl_u8(mask, resy, resx); |
| vst1_lane_u32((uint32_t *)dst, vreinterpret_u32_u8(v_resxy), 0); |
| |
| dst += stride; |
| } |
| } |
| |
| static AOM_FORCE_INLINE void vector_shuffle(uint8x16_t *vec, uint8x16_t *vzero, |
| int shift_value) { |
| switch (shift_value) { |
| case 1: *vec = vextq_u8(*vzero, *vec, 15); break; |
| case 2: *vec = vextq_u8(*vzero, *vec, 14); break; |
| case 3: *vec = vextq_u8(*vzero, *vec, 13); break; |
| case 4: *vec = vextq_u8(*vzero, *vec, 12); break; |
| case 5: *vec = vextq_u8(*vzero, *vec, 11); break; |
| case 6: *vec = vextq_u8(*vzero, *vec, 10); break; |
| case 7: *vec = vextq_u8(*vzero, *vec, 9); break; |
| case 8: *vec = vextq_u8(*vzero, *vec, 8); break; |
| case 9: *vec = vextq_u8(*vzero, *vec, 7); break; |
| case 10: *vec = vextq_u8(*vzero, *vec, 6); break; |
| case 11: *vec = vextq_u8(*vzero, *vec, 5); break; |
| case 12: *vec = vextq_u8(*vzero, *vec, 4); break; |
| case 13: *vec = vextq_u8(*vzero, *vec, 3); break; |
| case 14: *vec = vextq_u8(*vzero, *vec, 2); break; |
| case 15: *vec = vextq_u8(*vzero, *vec, 1); break; |
| default: break; |
| } |
| } |
| |
| static void dr_prediction_z2_Nx8_neon(int N, uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left, |
| int upsample_above, int upsample_left, |
| int dx, int dy) { |
| const int min_base_x = -(1 << upsample_above); |
| const int min_base_y = -(1 << upsample_left); |
| const int frac_bits_x = 6 - upsample_above; |
| const int frac_bits_y = 6 - upsample_left; |
| |
| // pre-filter above pixels |
| // store in temp buffers: |
| // above[x] * 32 + 16 |
| // above[x+1] - above[x] |
| // final pixels will be calculated as: |
| // (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5 |
| uint16x8x2_t diff, a32; |
| uint8x16_t v_zero = vdupq_n_u8(0); |
| int16x8_t v_upsample_left = vdupq_n_s16(upsample_left); |
| int16x8_t v_upsample_above = vdupq_n_s16(upsample_above); |
| int16x8_t v_frac_bits_y = vdupq_n_s16(-frac_bits_y); |
| |
| uint16x8_t a16 = vdupq_n_u16(16); |
| uint16x8_t c3f = vdupq_n_u16(0x3f); |
| int16x8_t min_base_y128 = vdupq_n_s16(min_base_y); |
| int16x8_t dy128 = vdupq_n_s16(dy); |
| uint16x8_t c1234 = vcombine_u16(vcreate_u16(0x0004000300020001), |
| vcreate_u16(0x0008000700060005)); |
| |
| #if AOM_ARCH_AARCH64 |
| // Use ext rather than loading left + 30 directly to avoid over-read. |
| const uint8x16_t left_m2 = vld1q_u8(left - 2); |
| const uint8x16_t left_0 = vld1q_u8(left + 0); |
| const uint8x16_t left_16 = vld1q_u8(left + 16); |
| const uint8x16_t left_14 = vextq_u8(left_0, left_16, 14); |
| const uint8x16_t left_30 = vextq_u8(left_16, left_16, 14); |
| const uint8x16x3_t left_vals = { { left_m2, left_14, left_30 } }; |
| #endif // AOM_ARCH_AARCH64 |
| |
| for (int r = 0; r < N; r++) { |
| uint8x8_t resx, resy, resxy; |
| uint16x8x2_t res, shift; |
| shift.val[1] = vdupq_n_u16(0); |
| |
| int y = r + 1; |
| int base_x = (-y * dx) >> frac_bits_x; |
| int base_shift = 0; |
| if (base_x < (min_base_x - 1)) { |
| base_shift = (min_base_x - base_x - 1) >> upsample_above; |
| } |
| int base_min_diff = |
| (min_base_x - base_x + upsample_above) >> upsample_above; |
| if (base_min_diff > 8) { |
| base_min_diff = 8; |
| } else { |
| if (base_min_diff < 0) base_min_diff = 0; |
| } |
| |
| uint8x8_t a0_x0, a1_x0; |
| if (base_shift > 7) { |
| a0_x0 = vdup_n_u8(0); |
| a1_x0 = vdup_n_u8(0); |
| shift.val[0] = vreinterpretq_u16_u8(v_zero); |
| shift.val[1] = vreinterpretq_u16_u8(v_zero); |
| } else { |
| uint16x8_t ydx = vdupq_n_u16(y * dx); |
| uint16x8_t r6 = |
| vshlq_n_u16(vextq_u16(c1234, vreinterpretq_u16_u8(v_zero), 2), 6); |
| |
| if (upsample_above) { |
| uint8x8x2_t v_tmp; |
| v_tmp.val[0] = vld1_u8(above + base_x + base_shift); |
| v_tmp.val[1] = vld1_u8(above + base_x + base_shift + 8); |
| uint8x8_t v_index_low = vld1_u8(EvenOddMaskx[base_shift]); |
| uint8x8_t v_index_high = vld1_u8(EvenOddMaskx[base_shift] + 8); |
| shift.val[0] = vshrq_n_u16( |
| vandq_u16(vshlq_u16(vsubq_u16(r6, ydx), v_upsample_above), c3f), 1); |
| a0_x0 = vtbl2_u8(v_tmp, v_index_low); |
| a1_x0 = vtbl2_u8(v_tmp, v_index_high); |
| } else { |
| uint8x16_t a0_x128, a1_x128; |
| a0_x128 = vld1q_u8(above + base_x + base_shift); |
| a1_x128 = vextq_u8(a0_x128, v_zero, 1); |
| vector_shuffle(&a0_x128, &v_zero, base_shift); |
| vector_shuffle(&a1_x128, &v_zero, base_shift); |
| shift.val[0] = vshrq_n_u16(vandq_u16(vsubq_u16(r6, ydx), c3f), 1); |
| a0_x0 = vget_low_u8(a0_x128); |
| a1_x0 = vget_low_u8(a1_x128); |
| } |
| } |
| |
| diff.val[0] = vsubl_u8(a1_x0, a0_x0); // a[x+1] - a[x] |
| a32.val[0] = vmlal_u8(a16, a0_x0, vdup_n_u8(32)); // a[x] * 32 + 16 |
| res.val[0] = vmlaq_u16(a32.val[0], diff.val[0], shift.val[0]); |
| resx = vshrn_n_u16(res.val[0], 5); |
| |
| // y calc |
| if (base_x < min_base_x) { |
| int16x8_t y_c128, base_y_c128; |
| uint16x8_t mask128; |
| int16x8_t v_r6 = vdupq_n_s16(r << 6); |
| |
| y_c128 = vmlsq_s16(v_r6, vreinterpretq_s16_u16(c1234), dy128); |
| base_y_c128 = vshlq_s16(y_c128, v_frac_bits_y); |
| mask128 = vcgtq_s16(min_base_y128, base_y_c128); |
| |
| // Values in base_y_c128 range from -2 through 31 inclusive. |
| base_y_c128 = vbicq_s16(base_y_c128, vreinterpretq_s16_u16(mask128)); |
| |
| #if AOM_ARCH_AARCH64 |
| uint8x16_t left_idx0 = vreinterpretq_u8_s16( |
| vaddq_s16(base_y_c128, vdupq_n_s16(2))); // [0, 33] |
| uint8x16_t left_idx1 = vreinterpretq_u8_s16( |
| vaddq_s16(base_y_c128, vdupq_n_s16(3))); // [1, 34] |
| uint8x16_t left_idx01 = vuzp1q_u8(left_idx0, left_idx1); |
| |
| uint8x16_t a01_x = vqtbl3q_u8(left_vals, left_idx01); |
| uint8x8_t a0_x1 = vget_low_u8(a01_x); |
| uint8x8_t a1_x1 = vget_high_u8(a01_x); |
| #else // !AOM_ARCH_AARCH64 |
| DECLARE_ALIGNED(32, int16_t, base_y_c[16]); |
| |
| vst1q_s16(base_y_c, base_y_c128); |
| uint8x8_t a0_x1 = vdup_n_u8(0); |
| a0_x1 = vld1_lane_u8(left + base_y_c[0], a0_x1, 0); |
| a0_x1 = vld1_lane_u8(left + base_y_c[1], a0_x1, 1); |
| a0_x1 = vld1_lane_u8(left + base_y_c[2], a0_x1, 2); |
| a0_x1 = vld1_lane_u8(left + base_y_c[3], a0_x1, 3); |
| a0_x1 = vld1_lane_u8(left + base_y_c[4], a0_x1, 4); |
| a0_x1 = vld1_lane_u8(left + base_y_c[5], a0_x1, 5); |
| a0_x1 = vld1_lane_u8(left + base_y_c[6], a0_x1, 6); |
| a0_x1 = vld1_lane_u8(left + base_y_c[7], a0_x1, 7); |
| |
| base_y_c128 = vaddq_s16(base_y_c128, vdupq_n_s16(1)); |
| vst1q_s16(base_y_c, base_y_c128); |
| uint8x8_t a1_x1 = vdup_n_u8(0); |
| a1_x1 = vld1_lane_u8(left + base_y_c[0], a1_x1, 0); |
| a1_x1 = vld1_lane_u8(left + base_y_c[1], a1_x1, 1); |
| a1_x1 = vld1_lane_u8(left + base_y_c[2], a1_x1, 2); |
| a1_x1 = vld1_lane_u8(left + base_y_c[3], a1_x1, 3); |
| a1_x1 = vld1_lane_u8(left + base_y_c[4], a1_x1, 4); |
| a1_x1 = vld1_lane_u8(left + base_y_c[5], a1_x1, 5); |
| a1_x1 = vld1_lane_u8(left + base_y_c[6], a1_x1, 6); |
| a1_x1 = vld1_lane_u8(left + base_y_c[7], a1_x1, 7); |
| #endif // AOM_ARCH_AARCH64 |
| |
| if (upsample_left) { |
| shift.val[1] = vshrq_n_u16( |
| vandq_u16(vshlq_u16(vreinterpretq_u16_s16(y_c128), v_upsample_left), |
| c3f), |
| 1); |
| } else { |
| shift.val[1] = |
| vshrq_n_u16(vandq_u16(vreinterpretq_u16_s16(y_c128), c3f), 1); |
| } |
| |
| diff.val[1] = vsubl_u8(a1_x1, a0_x1); |
| a32.val[1] = vmlal_u8(a16, a0_x1, vdup_n_u8(32)); |
| res.val[1] = vmlaq_u16(a32.val[1], diff.val[1], shift.val[1]); |
| resy = vshrn_n_u16(res.val[1], 5); |
| uint8x8_t mask = vld1_u8(BaseMask[base_min_diff]); |
| resxy = vbsl_u8(mask, resy, resx); |
| vst1_u8(dst, resxy); |
| } else { |
| vst1_u8(dst, resx); |
| } |
| |
| dst += stride; |
| } |
| } |
| |
| static void dr_prediction_z2_HxW_neon(int H, int W, uint8_t *dst, |
| ptrdiff_t stride, const uint8_t *above, |
| const uint8_t *left, int upsample_above, |
| int upsample_left, int dx, int dy) { |
| // here upsample_above and upsample_left are 0 by design of |
| // av1_use_intra_edge_upsample |
| const int min_base_x = -1; |
| const int min_base_y = -1; |
| (void)upsample_above; |
| (void)upsample_left; |
| const int frac_bits_x = 6; |
| const int frac_bits_y = 6; |
| |
| uint16x8x2_t a32, c0123, c1234, diff, shifty; |
| uint8x16x2_t a0_x, a1_x; |
| uint16x8_t v_32 = vdupq_n_u16(32); |
| uint8x16_t v_zero = vdupq_n_u8(0); |
| int16x8_t v_frac_bits_y = vdupq_n_s16(-frac_bits_y); |
| |
| uint16x8_t a16 = vdupq_n_u16(16); |
| uint16x8_t c1 = vshrq_n_u16(a16, 4); |
| int16x8_t min_base_y256 = vdupq_n_s16(min_base_y); |
| uint16x8_t c3f = vdupq_n_u16(0x3f); |
| int16x8_t dy256 = vdupq_n_s16(dy); |
| c0123.val[0] = vcombine_u16(vcreate_u16(0x0003000200010000), |
| vcreate_u16(0x0007000600050004)); |
| c0123.val[1] = vcombine_u16(vcreate_u16(0x000B000A00090008), |
| vcreate_u16(0x000F000E000D000C)); |
| c1234.val[0] = vaddq_u16(c0123.val[0], c1); |
| c1234.val[1] = vaddq_u16(c0123.val[1], c1); |
| |
| #if AOM_ARCH_AARCH64 |
| const uint8x16_t left_m1 = vld1q_u8(left - 1); |
| const uint8x16_t left_0 = vld1q_u8(left + 0); |
| const uint8x16_t left_16 = vld1q_u8(left + 16); |
| const uint8x16_t left_32 = vld1q_u8(left + 32); |
| const uint8x16_t left_48 = vld1q_u8(left + 48); |
| const uint8x16_t left_15 = vextq_u8(left_0, left_16, 15); |
| const uint8x16_t left_31 = vextq_u8(left_16, left_32, 15); |
| const uint8x16_t left_47 = vextq_u8(left_32, left_48, 15); |
| const uint8x16x4_t left_vals0 = { { left_m1, left_15, left_31, left_47 } }; |
| const uint8x16x4_t left_vals1 = { { left_0, left_16, left_32, left_48 } }; |
| #endif // AOM_ARCH_AARCH64 |
| |
| for (int r = 0; r < H; r++) { |
| uint16x8x2_t res, r6, shift; |
| uint16x8_t j256; |
| uint8x16_t resx, resy, resxy; |
| int y = r + 1; |
| uint16x8_t ydx = vdupq_n_u16((uint16_t)(y * dx)); |
| |
| int base_x = (-y * dx) >> frac_bits_x; |
| for (int j = 0; j < W; j += 16) { |
| j256 = vdupq_n_u16(j); |
| |
| int base_shift = 0; |
| if ((base_x + j) < (min_base_x - 1)) { |
| base_shift = (min_base_x - (base_x + j) - 1); |
| } |
| int base_min_diff = (min_base_x - base_x - j); |
| if (base_min_diff > 16) { |
| base_min_diff = 16; |
| } else { |
| if (base_min_diff < 0) base_min_diff = 0; |
| } |
| |
| if (base_shift < 16) { |
| uint8x16_t a0_x128, a1_x128; |
| a0_x128 = vld1q_u8(above + base_x + base_shift + j); |
| a1_x128 = vld1q_u8(above + base_x + base_shift + 1 + j); |
| vector_shuffle(&a0_x128, &v_zero, base_shift); |
| vector_shuffle(&a1_x128, &v_zero, base_shift); |
| a0_x = vzipq_u8(a0_x128, v_zero); |
| a1_x = vzipq_u8(a1_x128, v_zero); |
| r6.val[0] = vshlq_n_u16(vaddq_u16(c0123.val[0], j256), 6); |
| r6.val[1] = vshlq_n_u16(vaddq_u16(c0123.val[1], j256), 6); |
| shift.val[0] = |
| vshrq_n_u16(vandq_u16(vsubq_u16(r6.val[0], ydx), c3f), 1); |
| shift.val[1] = |
| vshrq_n_u16(vandq_u16(vsubq_u16(r6.val[1], ydx), c3f), 1); |
| diff.val[0] = |
| vsubq_u16(vreinterpretq_u16_u8(a1_x.val[0]), |
| vreinterpretq_u16_u8(a0_x.val[0])); // a[x+1] - a[x] |
| diff.val[1] = |
| vsubq_u16(vreinterpretq_u16_u8(a1_x.val[1]), |
| vreinterpretq_u16_u8(a0_x.val[1])); // a[x+1] - a[x] |
| a32.val[0] = vmlaq_u16(a16, vreinterpretq_u16_u8(a0_x.val[0]), |
| v_32); // a[x] * 32 + 16 |
| a32.val[1] = vmlaq_u16(a16, vreinterpretq_u16_u8(a0_x.val[1]), |
| v_32); // a[x] * 32 + 16 |
| res.val[0] = vmlaq_u16(a32.val[0], diff.val[0], shift.val[0]); |
| res.val[1] = vmlaq_u16(a32.val[1], diff.val[1], shift.val[1]); |
| resx = |
| vcombine_u8(vshrn_n_u16(res.val[0], 5), vshrn_n_u16(res.val[1], 5)); |
| } else { |
| resx = v_zero; |
| } |
| |
| // y calc |
| if (base_x < min_base_x) { |
| uint16x8x2_t mask256; |
| int16x8x2_t c256, y_c256, base_y_c256, mul16; |
| int16x8_t v_r6 = vdupq_n_s16(r << 6); |
| |
| c256.val[0] = vaddq_s16(vreinterpretq_s16_u16(j256), |
| vreinterpretq_s16_u16(c1234.val[0])); |
| c256.val[1] = vaddq_s16(vreinterpretq_s16_u16(j256), |
| vreinterpretq_s16_u16(c1234.val[1])); |
| mul16.val[0] = vreinterpretq_s16_u16( |
| vminq_u16(vreinterpretq_u16_s16(vmulq_s16(c256.val[0], dy256)), |
| vshrq_n_u16(vreinterpretq_u16_s16(min_base_y256), 1))); |
| mul16.val[1] = vreinterpretq_s16_u16( |
| vminq_u16(vreinterpretq_u16_s16(vmulq_s16(c256.val[1], dy256)), |
| vshrq_n_u16(vreinterpretq_u16_s16(min_base_y256), 1))); |
| y_c256.val[0] = vsubq_s16(v_r6, mul16.val[0]); |
| y_c256.val[1] = vsubq_s16(v_r6, mul16.val[1]); |
| |
| base_y_c256.val[0] = vshlq_s16(y_c256.val[0], v_frac_bits_y); |
| base_y_c256.val[1] = vshlq_s16(y_c256.val[1], v_frac_bits_y); |
| mask256.val[0] = vcgtq_s16(min_base_y256, base_y_c256.val[0]); |
| mask256.val[1] = vcgtq_s16(min_base_y256, base_y_c256.val[1]); |
| |
| base_y_c256.val[0] = |
| vbslq_s16(mask256.val[0], min_base_y256, base_y_c256.val[0]); |
| base_y_c256.val[1] = |
| vbslq_s16(mask256.val[1], min_base_y256, base_y_c256.val[1]); |
| |
| int16_t min_y = vgetq_lane_s16(base_y_c256.val[1], 7); |
| int16_t max_y = vgetq_lane_s16(base_y_c256.val[0], 0); |
| int16_t offset_diff = max_y - min_y; |
| |
| uint8x8_t a0_y0; |
| uint8x8_t a0_y1; |
| uint8x8_t a1_y0; |
| uint8x8_t a1_y1; |
| |
| if (offset_diff < 16) { |
| assert(offset_diff >= 0); |
| int16x8_t min_y256 = |
| vdupq_lane_s16(vget_high_s16(base_y_c256.val[1]), 3); |
| |
| int16x8x2_t base_y_offset; |
| base_y_offset.val[0] = vsubq_s16(base_y_c256.val[0], min_y256); |
| base_y_offset.val[1] = vsubq_s16(base_y_c256.val[1], min_y256); |
| |
| int8x16_t base_y_offset128 = |
| vcombine_s8(vqmovn_s16(base_y_offset.val[0]), |
| vqmovn_s16(base_y_offset.val[1])); |
| |
| uint8x16_t a0_y128, a1_y128; |
| uint8x16_t v_loadmaskz2 = vld1q_u8(LoadMaskz2[offset_diff / 4]); |
| a0_y128 = vld1q_u8(left + min_y); |
| a0_y128 = vandq_u8(a0_y128, v_loadmaskz2); |
| a1_y128 = vld1q_u8(left + min_y + 1); |
| a1_y128 = vandq_u8(a1_y128, v_loadmaskz2); |
| #if AOM_ARCH_AARCH64 |
| a0_y128 = vqtbl1q_u8(a0_y128, vreinterpretq_u8_s8(base_y_offset128)); |
| a1_y128 = vqtbl1q_u8(a1_y128, vreinterpretq_u8_s8(base_y_offset128)); |
| #else |
| uint8x8x2_t v_tmp; |
| uint8x8x2_t v_res; |
| uint8x8_t v_index_low = |
| vget_low_u8(vreinterpretq_u8_s8(base_y_offset128)); |
| uint8x8_t v_index_high = |
| vget_high_u8(vreinterpretq_u8_s8(base_y_offset128)); |
| v_tmp.val[0] = vget_low_u8(a0_y128); |
| v_tmp.val[1] = vget_high_u8(a0_y128); |
| v_res.val[0] = vtbl2_u8(v_tmp, v_index_low); |
| v_res.val[1] = vtbl2_u8(v_tmp, v_index_high); |
| a0_y128 = vcombine_u8(v_res.val[0], v_res.val[1]); |
| v_tmp.val[0] = vget_low_u8(a1_y128); |
| v_tmp.val[1] = vget_high_u8(a1_y128); |
| v_res.val[0] = vtbl2_u8(v_tmp, v_index_low); |
| v_res.val[1] = vtbl2_u8(v_tmp, v_index_high); |
| a1_y128 = vcombine_u8(v_res.val[0], v_res.val[1]); |
| #endif |
| a0_y0 = vget_low_u8(a0_y128); |
| a0_y1 = vget_high_u8(a0_y128); |
| a1_y0 = vget_low_u8(a1_y128); |
| a1_y1 = vget_high_u8(a1_y128); |
| } else { |
| // Values in base_y_c256 range from -1 through 62 inclusive. |
| base_y_c256.val[0] = vbicq_s16(base_y_c256.val[0], |
| vreinterpretq_s16_u16(mask256.val[0])); |
| base_y_c256.val[1] = vbicq_s16(base_y_c256.val[1], |
| vreinterpretq_s16_u16(mask256.val[1])); |
| |
| #if AOM_ARCH_AARCH64 |
| // Values in left_idx{0,1} range from 0 through 63 inclusive. |
| uint8x16_t left_idx0 = vreinterpretq_u8_s16( |
| vaddq_s16(base_y_c256.val[0], vdupq_n_s16(1))); |
| uint8x16_t left_idx1 = vreinterpretq_u8_s16( |
| vaddq_s16(base_y_c256.val[1], vdupq_n_s16(1))); |
| |
| uint8x16_t left_idx01 = vuzp1q_u8(left_idx0, left_idx1); |
| |
| uint8x16_t a0_y01 = vqtbl4q_u8(left_vals0, left_idx01); |
| uint8x16_t a1_y01 = vqtbl4q_u8(left_vals1, left_idx01); |
| |
| a0_y0 = vget_low_u8(a0_y01); |
| a0_y1 = vget_high_u8(a0_y01); |
| a1_y0 = vget_low_u8(a1_y01); |
| a1_y1 = vget_high_u8(a1_y01); |
| #else // !AOM_ARCH_AARCH64 |
| DECLARE_ALIGNED(32, int16_t, base_y_c[16]); |
| |
| vst1q_s16(base_y_c, base_y_c256.val[0]); |
| vst1q_s16(base_y_c + 8, base_y_c256.val[1]); |
| a0_y0 = vdup_n_u8(0); |
| a0_y0 = vld1_lane_u8(left + base_y_c[0], a0_y0, 0); |
| a0_y0 = vld1_lane_u8(left + base_y_c[1], a0_y0, 1); |
| a0_y0 = vld1_lane_u8(left + base_y_c[2], a0_y0, 2); |
| a0_y0 = vld1_lane_u8(left + base_y_c[3], a0_y0, 3); |
| a0_y0 = vld1_lane_u8(left + base_y_c[4], a0_y0, 4); |
| a0_y0 = vld1_lane_u8(left + base_y_c[5], a0_y0, 5); |
| a0_y0 = vld1_lane_u8(left + base_y_c[6], a0_y0, 6); |
| a0_y0 = vld1_lane_u8(left + base_y_c[7], a0_y0, 7); |
| a0_y1 = vdup_n_u8(0); |
| a0_y1 = vld1_lane_u8(left + base_y_c[8], a0_y1, 0); |
| a0_y1 = vld1_lane_u8(left + base_y_c[9], a0_y1, 1); |
| a0_y1 = vld1_lane_u8(left + base_y_c[10], a0_y1, 2); |
| a0_y1 = vld1_lane_u8(left + base_y_c[11], a0_y1, 3); |
| a0_y1 = vld1_lane_u8(left + base_y_c[12], a0_y1, 4); |
| a0_y1 = vld1_lane_u8(left + base_y_c[13], a0_y1, 5); |
| a0_y1 = vld1_lane_u8(left + base_y_c[14], a0_y1, 6); |
| a0_y1 = vld1_lane_u8(left + base_y_c[15], a0_y1, 7); |
| |
| base_y_c256.val[0] = |
| vaddq_s16(base_y_c256.val[0], vreinterpretq_s16_u16(c1)); |
| base_y_c256.val[1] = |
| vaddq_s16(base_y_c256.val[1], vreinterpretq_s16_u16(c1)); |
| |
| vst1q_s16(base_y_c, base_y_c256.val[0]); |
| vst1q_s16(base_y_c + 8, base_y_c256.val[1]); |
| a1_y0 = vdup_n_u8(0); |
| a1_y0 = vld1_lane_u8(left + base_y_c[0], a1_y0, 0); |
| a1_y0 = vld1_lane_u8(left + base_y_c[1], a1_y0, 1); |
| a1_y0 = vld1_lane_u8(left + base_y_c[2], a1_y0, 2); |
| a1_y0 = vld1_lane_u8(left + base_y_c[3], a1_y0, 3); |
| a1_y0 = vld1_lane_u8(left + base_y_c[4], a1_y0, 4); |
| a1_y0 = vld1_lane_u8(left + base_y_c[5], a1_y0, 5); |
| a1_y0 = vld1_lane_u8(left + base_y_c[6], a1_y0, 6); |
| a1_y0 = vld1_lane_u8(left + base_y_c[7], a1_y0, 7); |
| a1_y1 = vdup_n_u8(0); |
| a1_y1 = vld1_lane_u8(left + base_y_c[8], a1_y1, 0); |
| a1_y1 = vld1_lane_u8(left + base_y_c[9], a1_y1, 1); |
| a1_y1 = vld1_lane_u8(left + base_y_c[10], a1_y1, 2); |
| a1_y1 = vld1_lane_u8(left + base_y_c[11], a1_y1, 3); |
| a1_y1 = vld1_lane_u8(left + base_y_c[12], a1_y1, 4); |
| a1_y1 = vld1_lane_u8(left + base_y_c[13], a1_y1, 5); |
| a1_y1 = vld1_lane_u8(left + base_y_c[14], a1_y1, 6); |
| a1_y1 = vld1_lane_u8(left + base_y_c[15], a1_y1, 7); |
| #endif // AOM_ARCH_AARCH64 |
| } |
| |
| shifty.val[0] = vshrq_n_u16( |
| vandq_u16(vreinterpretq_u16_s16(y_c256.val[0]), c3f), 1); |
| shifty.val[1] = vshrq_n_u16( |
| vandq_u16(vreinterpretq_u16_s16(y_c256.val[1]), c3f), 1); |
| diff.val[0] = vsubl_u8(a1_y0, a0_y0); // a[x+1] - a[x] |
| diff.val[1] = vsubl_u8(a1_y1, a0_y1); // a[x+1] - a[x] |
| a32.val[0] = vmlal_u8(a16, a0_y0, vdup_n_u8(32)); // a[x] * 32 + 16 |
| a32.val[1] = vmlal_u8(a16, a0_y1, vdup_n_u8(32)); // a[x] * 32 + 16 |
| res.val[0] = vmlaq_u16(a32.val[0], diff.val[0], shifty.val[0]); |
| res.val[1] = vmlaq_u16(a32.val[1], diff.val[1], shifty.val[1]); |
| |
| resy = |
| vcombine_u8(vshrn_n_u16(res.val[0], 5), vshrn_n_u16(res.val[1], 5)); |
| } else { |
| resy = v_zero; |
| } |
| uint8x16_t mask = vld1q_u8(BaseMask[base_min_diff]); |
| resxy = vbslq_u8(mask, resy, resx); |
| vst1q_u8(dst + j, resxy); |
| } // for j |
| dst += stride; |
| } |
| } |
| |
| // Directional prediction, zone 2: 90 < angle < 180 |
| void av1_dr_prediction_z2_neon(uint8_t *dst, ptrdiff_t stride, int bw, int bh, |
| const uint8_t *above, const uint8_t *left, |
| int upsample_above, int upsample_left, int dx, |
| int dy) { |
| assert(dx > 0); |
| assert(dy > 0); |
| |
| switch (bw) { |
| case 4: |
| dr_prediction_z2_Nx4_neon(bh, dst, stride, above, left, upsample_above, |
| upsample_left, dx, dy); |
| break; |
| case 8: |
| dr_prediction_z2_Nx8_neon(bh, dst, stride, above, left, upsample_above, |
| upsample_left, dx, dy); |
| break; |
| default: |
| dr_prediction_z2_HxW_neon(bh, bw, dst, stride, above, left, |
| upsample_above, upsample_left, dx, dy); |
| break; |
| } |
| } |
| |
| /* ---------------------P R E D I C T I O N Z 3--------------------------- */ |
| |
| static AOM_FORCE_INLINE void transpose4x16_neon(uint8x16_t *x, |
| uint16x8x2_t *d) { |
| uint8x16x2_t w0, w1; |
| |
| w0 = vzipq_u8(x[0], x[1]); |
| w1 = vzipq_u8(x[2], x[3]); |
| |
| d[0] = vzipq_u16(vreinterpretq_u16_u8(w0.val[0]), |
| vreinterpretq_u16_u8(w1.val[0])); |
| d[1] = vzipq_u16(vreinterpretq_u16_u8(w0.val[1]), |
| vreinterpretq_u16_u8(w1.val[1])); |
| } |
| |
| static AOM_FORCE_INLINE void transpose4x8_8x4_low_neon(uint8x8_t *x, |
| uint16x4x2_t *d) { |
| uint8x8x2_t w0, w1; |
| |