2013-12-18 11:47:48 +01:00
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/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <arm_neon.h>
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2014-05-07 09:26:32 +02:00
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#ifdef _MSC_VER
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#define __builtin_prefetch(x)
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#endif
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2013-12-18 11:47:48 +01:00
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unsigned int vp8_variance16x16_neon(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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int i;
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int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
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uint32x2_t d0u32, d10u32;
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2014-05-07 09:22:18 +02:00
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int64x1_t d0s64, d1s64;
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2013-12-18 11:47:48 +01:00
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uint8x16_t q0u8, q1u8, q2u8, q3u8;
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uint16x8_t q11u16, q12u16, q13u16, q14u16;
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int32x4_t q8s32, q9s32, q10s32;
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int64x2_t q0s64, q1s64, q5s64;
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q8s32 = vdupq_n_s32(0);
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q9s32 = vdupq_n_s32(0);
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q10s32 = vdupq_n_s32(0);
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for (i = 0; i < 8; i++) {
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q0u8 = vld1q_u8(src_ptr);
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src_ptr += source_stride;
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q1u8 = vld1q_u8(src_ptr);
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src_ptr += source_stride;
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__builtin_prefetch(src_ptr);
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q2u8 = vld1q_u8(ref_ptr);
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ref_ptr += recon_stride;
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q3u8 = vld1q_u8(ref_ptr);
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ref_ptr += recon_stride;
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__builtin_prefetch(ref_ptr);
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q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8));
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q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8));
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q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8));
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q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8));
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d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
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d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
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q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
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q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
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d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
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d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
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q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
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q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
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d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
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d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
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q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
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q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
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d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
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d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
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q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
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q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
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}
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q10s32 = vaddq_s32(q10s32, q9s32);
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q0s64 = vpaddlq_s32(q8s32);
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q1s64 = vpaddlq_s32(q10s32);
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d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
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d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
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q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
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vreinterpret_s32_s64(d0s64));
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vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
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d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 8);
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d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
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return vget_lane_u32(d0u32, 0);
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}
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unsigned int vp8_variance16x8_neon(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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int i;
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int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
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uint32x2_t d0u32, d10u32;
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2014-05-07 09:22:18 +02:00
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int64x1_t d0s64, d1s64;
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2013-12-18 11:47:48 +01:00
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uint8x16_t q0u8, q1u8, q2u8, q3u8;
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uint16x8_t q11u16, q12u16, q13u16, q14u16;
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int32x4_t q8s32, q9s32, q10s32;
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int64x2_t q0s64, q1s64, q5s64;
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q8s32 = vdupq_n_s32(0);
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q9s32 = vdupq_n_s32(0);
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q10s32 = vdupq_n_s32(0);
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for (i = 0; i < 4; i++) { // variance16x8_neon_loop
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q0u8 = vld1q_u8(src_ptr);
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src_ptr += source_stride;
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q1u8 = vld1q_u8(src_ptr);
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src_ptr += source_stride;
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__builtin_prefetch(src_ptr);
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q2u8 = vld1q_u8(ref_ptr);
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ref_ptr += recon_stride;
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q3u8 = vld1q_u8(ref_ptr);
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ref_ptr += recon_stride;
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__builtin_prefetch(ref_ptr);
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q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8));
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q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8));
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q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8));
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q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8));
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d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
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d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
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q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
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q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
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d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
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d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
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q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
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q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
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d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
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d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
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q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
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q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
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d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
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d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
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q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
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q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
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}
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q10s32 = vaddq_s32(q10s32, q9s32);
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q0s64 = vpaddlq_s32(q8s32);
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q1s64 = vpaddlq_s32(q10s32);
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d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
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d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
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q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
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vreinterpret_s32_s64(d0s64));
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vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
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d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7);
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d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
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return vget_lane_u32(d0u32, 0);
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}
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unsigned int vp8_variance8x16_neon(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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int i;
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uint8x8_t d0u8, d2u8, d4u8, d6u8;
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int16x4_t d22s16, d23s16, d24s16, d25s16;
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uint32x2_t d0u32, d10u32;
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2014-05-07 09:22:18 +02:00
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int64x1_t d0s64, d1s64;
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2013-12-18 11:47:48 +01:00
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uint16x8_t q11u16, q12u16;
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int32x4_t q8s32, q9s32, q10s32;
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int64x2_t q0s64, q1s64, q5s64;
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q8s32 = vdupq_n_s32(0);
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q9s32 = vdupq_n_s32(0);
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q10s32 = vdupq_n_s32(0);
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for (i = 0; i < 8; i++) { // variance8x16_neon_loop
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d0u8 = vld1_u8(src_ptr);
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src_ptr += source_stride;
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d2u8 = vld1_u8(src_ptr);
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src_ptr += source_stride;
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__builtin_prefetch(src_ptr);
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d4u8 = vld1_u8(ref_ptr);
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ref_ptr += recon_stride;
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d6u8 = vld1_u8(ref_ptr);
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ref_ptr += recon_stride;
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__builtin_prefetch(ref_ptr);
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q11u16 = vsubl_u8(d0u8, d4u8);
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q12u16 = vsubl_u8(d2u8, d6u8);
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d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
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d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
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q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
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q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
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d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
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d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
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q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
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q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
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}
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q10s32 = vaddq_s32(q10s32, q9s32);
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q0s64 = vpaddlq_s32(q8s32);
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q1s64 = vpaddlq_s32(q10s32);
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d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
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d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
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q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
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vreinterpret_s32_s64(d0s64));
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vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
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d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7);
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d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
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return vget_lane_u32(d0u32, 0);
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}
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unsigned int vp8_variance8x8_neon(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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int i;
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uint8x8_t d0u8, d1u8, d2u8, d3u8, d4u8, d5u8, d6u8, d7u8;
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int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
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uint32x2_t d0u32, d10u32;
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2014-05-07 09:22:18 +02:00
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int64x1_t d0s64, d1s64;
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2013-12-18 11:47:48 +01:00
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uint16x8_t q11u16, q12u16, q13u16, q14u16;
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int32x4_t q8s32, q9s32, q10s32;
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int64x2_t q0s64, q1s64, q5s64;
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q8s32 = vdupq_n_s32(0);
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q9s32 = vdupq_n_s32(0);
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q10s32 = vdupq_n_s32(0);
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for (i = 0; i < 2; i++) { // variance8x8_neon_loop
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d0u8 = vld1_u8(src_ptr);
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src_ptr += source_stride;
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d1u8 = vld1_u8(src_ptr);
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src_ptr += source_stride;
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d2u8 = vld1_u8(src_ptr);
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src_ptr += source_stride;
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d3u8 = vld1_u8(src_ptr);
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src_ptr += source_stride;
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d4u8 = vld1_u8(ref_ptr);
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ref_ptr += recon_stride;
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d5u8 = vld1_u8(ref_ptr);
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ref_ptr += recon_stride;
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d6u8 = vld1_u8(ref_ptr);
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ref_ptr += recon_stride;
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d7u8 = vld1_u8(ref_ptr);
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ref_ptr += recon_stride;
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q11u16 = vsubl_u8(d0u8, d4u8);
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q12u16 = vsubl_u8(d1u8, d5u8);
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q13u16 = vsubl_u8(d2u8, d6u8);
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q14u16 = vsubl_u8(d3u8, d7u8);
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d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
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d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
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q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
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q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
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d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
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d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
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q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
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q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
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d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
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d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
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q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
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q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
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d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
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d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
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q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
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q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
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}
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q10s32 = vaddq_s32(q10s32, q9s32);
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q0s64 = vpaddlq_s32(q8s32);
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q1s64 = vpaddlq_s32(q10s32);
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d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
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d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
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q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
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vreinterpret_s32_s64(d0s64));
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vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
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d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 6);
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d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
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return vget_lane_u32(d0u32, 0);
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}
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