ref: 27beada6d033f15726807f1353ee181ddf0f02e2
dir: /vpx_dsp/arm/highbd_vpx_convolve_copy_neon.c/
/* * Copyright (c) 2016 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 <arm_neon.h> #include "./vpx_dsp_rtcd.h" #include "vpx/vpx_integer.h" void vpx_highbd_convolve_copy_neon(const uint16_t *src, ptrdiff_t src_stride, uint16_t *dst, ptrdiff_t dst_stride, const int16_t *filter_x, int filter_x_stride, const int16_t *filter_y, int filter_y_stride, int w, int h, int bd) { (void)filter_x; (void)filter_x_stride; (void)filter_y; (void)filter_y_stride; (void)bd; if (w < 8) { // copy4 do { vst1_u16(dst, vld1_u16(src)); src += src_stride; dst += dst_stride; vst1_u16(dst, vld1_u16(src)); src += src_stride; dst += dst_stride; h -= 2; } while (h > 0); } else if (w == 8) { // copy8 do { vst1q_u16(dst, vld1q_u16(src)); src += src_stride; dst += dst_stride; vst1q_u16(dst, vld1q_u16(src)); src += src_stride; dst += dst_stride; h -= 2; } while (h > 0); } else if (w < 32) { // copy16 do { vst2q_u16(dst, vld2q_u16(src)); src += src_stride; dst += dst_stride; vst2q_u16(dst, vld2q_u16(src)); src += src_stride; dst += dst_stride; vst2q_u16(dst, vld2q_u16(src)); src += src_stride; dst += dst_stride; vst2q_u16(dst, vld2q_u16(src)); src += src_stride; dst += dst_stride; h -= 4; } while (h > 0); } else if (w == 32) { // copy32 do { vst4q_u16(dst, vld4q_u16(src)); src += src_stride; dst += dst_stride; vst4q_u16(dst, vld4q_u16(src)); src += src_stride; dst += dst_stride; vst4q_u16(dst, vld4q_u16(src)); src += src_stride; dst += dst_stride; vst4q_u16(dst, vld4q_u16(src)); src += src_stride; dst += dst_stride; h -= 4; } while (h > 0); } else { // copy64 do { vst4q_u16(dst, vld4q_u16(src)); vst4q_u16(dst + 32, vld4q_u16(src + 32)); src += src_stride; dst += dst_stride; vst4q_u16(dst, vld4q_u16(src)); vst4q_u16(dst + 32, vld4q_u16(src + 32)); src += src_stride; dst += dst_stride; vst4q_u16(dst, vld4q_u16(src)); vst4q_u16(dst + 32, vld4q_u16(src + 32)); src += src_stride; dst += dst_stride; vst4q_u16(dst, vld4q_u16(src)); vst4q_u16(dst + 32, vld4q_u16(src + 32)); src += src_stride; dst += dst_stride; h -= 4; } while (h > 0); } }