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 /* * Copyright (c) 2015 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include #include "./vpx_config.h" #include "./vpx_dsp_rtcd.h" #include "vpx/vpx_integer.h" static INLINE unsigned int horizontal_long_add_16x8(const uint16x8_t vec_lo, const uint16x8_t vec_hi) { const uint32x4_t vec_l_lo = vaddl_u16(vget_low_u16(vec_lo), vget_high_u16(vec_lo)); const uint32x4_t vec_l_hi = vaddl_u16(vget_low_u16(vec_hi), vget_high_u16(vec_hi)); const uint32x4_t a = vaddq_u32(vec_l_lo, vec_l_hi); const uint64x2_t b = vpaddlq_u32(a); const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)), vreinterpret_u32_u64(vget_high_u64(b))); return vget_lane_u32(c, 0); } // Calculate the absolute difference of 64 bytes from vec_src_00, vec_src_16, // vec_src_32, vec_src_48 and ref. Accumulate partial sums in vec_sum_ref_lo // and vec_sum_ref_hi. static void sad_neon_64(const uint8x16_t vec_src_00, const uint8x16_t vec_src_16, const uint8x16_t vec_src_32, const uint8x16_t vec_src_48, const uint8_t *ref, uint16x8_t *vec_sum_ref_lo, uint16x8_t *vec_sum_ref_hi) { const uint8x16_t vec_ref_00 = vld1q_u8(ref); const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16); const uint8x16_t vec_ref_32 = vld1q_u8(ref + 32); const uint8x16_t vec_ref_48 = vld1q_u8(ref + 48); *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_00), vget_low_u8(vec_ref_00)); *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_00), vget_high_u8(vec_ref_00)); *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_16), vget_low_u8(vec_ref_16)); *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_16), vget_high_u8(vec_ref_16)); *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_32), vget_low_u8(vec_ref_32)); *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_32), vget_high_u8(vec_ref_32)); *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_48), vget_low_u8(vec_ref_48)); *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_48), vget_high_u8(vec_ref_48)); } // Calculate the absolute difference of 32 bytes from vec_src_00, vec_src_16, // and ref. Accumulate partial sums in vec_sum_ref_lo and vec_sum_ref_hi. static void sad_neon_32(const uint8x16_t vec_src_00, const uint8x16_t vec_src_16, const uint8_t *ref, uint16x8_t *vec_sum_ref_lo, uint16x8_t *vec_sum_ref_hi) { const uint8x16_t vec_ref_00 = vld1q_u8(ref); const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16); *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_00), vget_low_u8(vec_ref_00)); *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_00), vget_high_u8(vec_ref_00)); *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_16), vget_low_u8(vec_ref_16)); *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_16), vget_high_u8(vec_ref_16)); } void vpx_sad64x64x4d_neon(const uint8_t *src, int src_stride, const uint8_t* const ref[4], int ref_stride, uint32_t *res) { int i; uint16x8_t vec_sum_ref0_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref0_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref1_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref1_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref2_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref2_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref3_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref3_hi = vdupq_n_u16(0); const uint8_t *ref0, *ref1, *ref2, *ref3; ref0 = ref[0]; ref1 = ref[1]; ref2 = ref[2]; ref3 = ref[3]; for (i = 0; i < 64; ++i) { const uint8x16_t vec_src_00 = vld1q_u8(src); const uint8x16_t vec_src_16 = vld1q_u8(src + 16); const uint8x16_t vec_src_32 = vld1q_u8(src + 32); const uint8x16_t vec_src_48 = vld1q_u8(src + 48); sad_neon_64(vec_src_00, vec_src_16, vec_src_32, vec_src_48, ref0, &vec_sum_ref0_lo, &vec_sum_ref0_hi); sad_neon_64(vec_src_00, vec_src_16, vec_src_32, vec_src_48, ref1, &vec_sum_ref1_lo, &vec_sum_ref1_hi); sad_neon_64(vec_src_00, vec_src_16, vec_src_32, vec_src_48, ref2, &vec_sum_ref2_lo, &vec_sum_ref2_hi); sad_neon_64(vec_src_00, vec_src_16, vec_src_32, vec_src_48, ref3, &vec_sum_ref3_lo, &vec_sum_ref3_hi); src += src_stride; ref0 += ref_stride; ref1 += ref_stride; ref2 += ref_stride; ref3 += ref_stride; } res[0] = horizontal_long_add_16x8(vec_sum_ref0_lo, vec_sum_ref0_hi); res[1] = horizontal_long_add_16x8(vec_sum_ref1_lo, vec_sum_ref1_hi); res[2] = horizontal_long_add_16x8(vec_sum_ref2_lo, vec_sum_ref2_hi); res[3] = horizontal_long_add_16x8(vec_sum_ref3_lo, vec_sum_ref3_hi); } void vpx_sad32x32x4d_neon(const uint8_t *src, int src_stride, const uint8_t* const ref[4], int ref_stride, uint32_t *res) { int i; uint16x8_t vec_sum_ref0_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref0_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref1_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref1_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref2_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref2_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref3_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref3_hi = vdupq_n_u16(0); const uint8_t *ref0, *ref1, *ref2, *ref3; ref0 = ref[0]; ref1 = ref[1]; ref2 = ref[2]; ref3 = ref[3]; for (i = 0; i < 32; ++i) { const uint8x16_t vec_src_00 = vld1q_u8(src); const uint8x16_t vec_src_16 = vld1q_u8(src + 16); sad_neon_32(vec_src_00, vec_src_16, ref0, &vec_sum_ref0_lo, &vec_sum_ref0_hi); sad_neon_32(vec_src_00, vec_src_16, ref1, &vec_sum_ref1_lo, &vec_sum_ref1_hi); sad_neon_32(vec_src_00, vec_src_16, ref2, &vec_sum_ref2_lo, &vec_sum_ref2_hi); sad_neon_32(vec_src_00, vec_src_16, ref3, &vec_sum_ref3_lo, &vec_sum_ref3_hi); src += src_stride; ref0 += ref_stride; ref1 += ref_stride; ref2 += ref_stride; ref3 += ref_stride; } res[0] = horizontal_long_add_16x8(vec_sum_ref0_lo, vec_sum_ref0_hi); res[1] = horizontal_long_add_16x8(vec_sum_ref1_lo, vec_sum_ref1_hi); res[2] = horizontal_long_add_16x8(vec_sum_ref2_lo, vec_sum_ref2_hi); res[3] = horizontal_long_add_16x8(vec_sum_ref3_lo, vec_sum_ref3_hi); } void vpx_sad16x16x4d_neon(const uint8_t *src, int src_stride, const uint8_t* const ref[4], int ref_stride, uint32_t *res) { int i; uint16x8_t vec_sum_ref0_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref0_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref1_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref1_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref2_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref2_hi = vdupq_n_u16(0); uint16x8_t vec_sum_ref3_lo = vdupq_n_u16(0); uint16x8_t vec_sum_ref3_hi = vdupq_n_u16(0); const uint8_t *ref0, *ref1, *ref2, *ref3; ref0 = ref[0]; ref1 = ref[1]; ref2 = ref[2]; ref3 = ref[3]; for (i = 0; i < 16; ++i) { const uint8x16_t vec_src = vld1q_u8(src); const uint8x16_t vec_ref0 = vld1q_u8(ref0); const uint8x16_t vec_ref1 = vld1q_u8(ref1); const uint8x16_t vec_ref2 = vld1q_u8(ref2); const uint8x16_t vec_ref3 = vld1q_u8(ref3); vec_sum_ref0_lo = vabal_u8(vec_sum_ref0_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref0)); vec_sum_ref0_hi = vabal_u8(vec_sum_ref0_hi, vget_high_u8(vec_src), vget_high_u8(vec_ref0)); vec_sum_ref1_lo = vabal_u8(vec_sum_ref1_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref1)); vec_sum_ref1_hi = vabal_u8(vec_sum_ref1_hi, vget_high_u8(vec_src), vget_high_u8(vec_ref1)); vec_sum_ref2_lo = vabal_u8(vec_sum_ref2_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref2)); vec_sum_ref2_hi = vabal_u8(vec_sum_ref2_hi, vget_high_u8(vec_src), vget_high_u8(vec_ref2)); vec_sum_ref3_lo = vabal_u8(vec_sum_ref3_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref3)); vec_sum_ref3_hi = vabal_u8(vec_sum_ref3_hi, vget_high_u8(vec_src), vget_high_u8(vec_ref3)); src += src_stride; ref0 += ref_stride; ref1 += ref_stride; ref2 += ref_stride; ref3 += ref_stride; } res[0] = horizontal_long_add_16x8(vec_sum_ref0_lo, vec_sum_ref0_hi); res[1] = horizontal_long_add_16x8(vec_sum_ref1_lo, vec_sum_ref1_hi); res[2] = horizontal_long_add_16x8(vec_sum_ref2_lo, vec_sum_ref2_hi); res[3] = horizontal_long_add_16x8(vec_sum_ref3_lo, vec_sum_ref3_hi); }