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Unified Diff: source/libvpx/vp8/common/arm/neon/variance_neon.c

Issue 1162573005: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: Created 5 years, 7 months ago
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Index: source/libvpx/vp8/common/arm/neon/variance_neon.c
diff --git a/source/libvpx/vp8/common/arm/neon/variance_neon.c b/source/libvpx/vp8/common/arm/neon/variance_neon.c
deleted file mode 100644
index 1b1979073e5d5ef04f17291e52719ee4263fce0b..0000000000000000000000000000000000000000
--- a/source/libvpx/vp8/common/arm/neon/variance_neon.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/*
- * Copyright (c) 2014 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_ports/mem.h"
-
-unsigned int vp8_variance16x16_neon(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
- int i;
- int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
- uint32x2_t d0u32, d10u32;
- int64x1_t d0s64, d1s64;
- uint8x16_t q0u8, q1u8, q2u8, q3u8;
- uint16x8_t q11u16, q12u16, q13u16, q14u16;
- int32x4_t q8s32, q9s32, q10s32;
- int64x2_t q0s64, q1s64, q5s64;
-
- q8s32 = vdupq_n_s32(0);
- q9s32 = vdupq_n_s32(0);
- q10s32 = vdupq_n_s32(0);
-
- for (i = 0; i < 8; i++) {
- q0u8 = vld1q_u8(src_ptr);
- src_ptr += source_stride;
- q1u8 = vld1q_u8(src_ptr);
- src_ptr += source_stride;
- __builtin_prefetch(src_ptr);
-
- q2u8 = vld1q_u8(ref_ptr);
- ref_ptr += recon_stride;
- q3u8 = vld1q_u8(ref_ptr);
- ref_ptr += recon_stride;
- __builtin_prefetch(ref_ptr);
-
- q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8));
- q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8));
- q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8));
- q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8));
-
- d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
- d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
- q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
- q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
-
- d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
- d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
- q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
- q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
-
- d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
- d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
- q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
- q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
-
- d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
- d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
- q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
- q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
- }
-
- q10s32 = vaddq_s32(q10s32, q9s32);
- q0s64 = vpaddlq_s32(q8s32);
- q1s64 = vpaddlq_s32(q10s32);
-
- d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
- d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
-
- q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
- vreinterpret_s32_s64(d0s64));
- vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
-
- d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 8);
- d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
-
- return vget_lane_u32(d0u32, 0);
-}
-
-unsigned int vp8_variance16x8_neon(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
- int i;
- int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
- uint32x2_t d0u32, d10u32;
- int64x1_t d0s64, d1s64;
- uint8x16_t q0u8, q1u8, q2u8, q3u8;
- uint16x8_t q11u16, q12u16, q13u16, q14u16;
- int32x4_t q8s32, q9s32, q10s32;
- int64x2_t q0s64, q1s64, q5s64;
-
- q8s32 = vdupq_n_s32(0);
- q9s32 = vdupq_n_s32(0);
- q10s32 = vdupq_n_s32(0);
-
- for (i = 0; i < 4; i++) { // variance16x8_neon_loop
- q0u8 = vld1q_u8(src_ptr);
- src_ptr += source_stride;
- q1u8 = vld1q_u8(src_ptr);
- src_ptr += source_stride;
- __builtin_prefetch(src_ptr);
-
- q2u8 = vld1q_u8(ref_ptr);
- ref_ptr += recon_stride;
- q3u8 = vld1q_u8(ref_ptr);
- ref_ptr += recon_stride;
- __builtin_prefetch(ref_ptr);
-
- q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8));
- q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8));
- q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8));
- q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8));
-
- d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
- d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
- q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
- q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
-
- d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
- d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
- q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
- q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
-
- d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
- d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
- q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
- q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
-
- d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
- d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
- q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
- q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
- }
-
- q10s32 = vaddq_s32(q10s32, q9s32);
- q0s64 = vpaddlq_s32(q8s32);
- q1s64 = vpaddlq_s32(q10s32);
-
- d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
- d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
-
- q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
- vreinterpret_s32_s64(d0s64));
- vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
-
- d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7);
- d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
-
- return vget_lane_u32(d0u32, 0);
-}
-
-unsigned int vp8_variance8x16_neon(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
- int i;
- uint8x8_t d0u8, d2u8, d4u8, d6u8;
- int16x4_t d22s16, d23s16, d24s16, d25s16;
- uint32x2_t d0u32, d10u32;
- int64x1_t d0s64, d1s64;
- uint16x8_t q11u16, q12u16;
- int32x4_t q8s32, q9s32, q10s32;
- int64x2_t q0s64, q1s64, q5s64;
-
- q8s32 = vdupq_n_s32(0);
- q9s32 = vdupq_n_s32(0);
- q10s32 = vdupq_n_s32(0);
-
- for (i = 0; i < 8; i++) { // variance8x16_neon_loop
- d0u8 = vld1_u8(src_ptr);
- src_ptr += source_stride;
- d2u8 = vld1_u8(src_ptr);
- src_ptr += source_stride;
- __builtin_prefetch(src_ptr);
-
- d4u8 = vld1_u8(ref_ptr);
- ref_ptr += recon_stride;
- d6u8 = vld1_u8(ref_ptr);
- ref_ptr += recon_stride;
- __builtin_prefetch(ref_ptr);
-
- q11u16 = vsubl_u8(d0u8, d4u8);
- q12u16 = vsubl_u8(d2u8, d6u8);
-
- d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
- d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
- q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
- q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
-
- d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
- d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
- q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
- q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
- }
-
- q10s32 = vaddq_s32(q10s32, q9s32);
- q0s64 = vpaddlq_s32(q8s32);
- q1s64 = vpaddlq_s32(q10s32);
-
- d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
- d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
-
- q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
- vreinterpret_s32_s64(d0s64));
- vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
-
- d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7);
- d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
-
- return vget_lane_u32(d0u32, 0);
-}
-
-unsigned int vp8_variance8x8_neon(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
- int i;
- uint8x8_t d0u8, d1u8, d2u8, d3u8, d4u8, d5u8, d6u8, d7u8;
- int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
- uint32x2_t d0u32, d10u32;
- int64x1_t d0s64, d1s64;
- uint16x8_t q11u16, q12u16, q13u16, q14u16;
- int32x4_t q8s32, q9s32, q10s32;
- int64x2_t q0s64, q1s64, q5s64;
-
- q8s32 = vdupq_n_s32(0);
- q9s32 = vdupq_n_s32(0);
- q10s32 = vdupq_n_s32(0);
-
- for (i = 0; i < 2; i++) { // variance8x8_neon_loop
- d0u8 = vld1_u8(src_ptr);
- src_ptr += source_stride;
- d1u8 = vld1_u8(src_ptr);
- src_ptr += source_stride;
- d2u8 = vld1_u8(src_ptr);
- src_ptr += source_stride;
- d3u8 = vld1_u8(src_ptr);
- src_ptr += source_stride;
-
- d4u8 = vld1_u8(ref_ptr);
- ref_ptr += recon_stride;
- d5u8 = vld1_u8(ref_ptr);
- ref_ptr += recon_stride;
- d6u8 = vld1_u8(ref_ptr);
- ref_ptr += recon_stride;
- d7u8 = vld1_u8(ref_ptr);
- ref_ptr += recon_stride;
-
- q11u16 = vsubl_u8(d0u8, d4u8);
- q12u16 = vsubl_u8(d1u8, d5u8);
- q13u16 = vsubl_u8(d2u8, d6u8);
- q14u16 = vsubl_u8(d3u8, d7u8);
-
- d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
- d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
- q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
- q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
-
- d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
- d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
- q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
- q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
-
- d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
- d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
- q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
- q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
-
- d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
- d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
- q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
- q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
- q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
- }
-
- q10s32 = vaddq_s32(q10s32, q9s32);
- q0s64 = vpaddlq_s32(q8s32);
- q1s64 = vpaddlq_s32(q10s32);
-
- d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
- d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
-
- q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
- vreinterpret_s32_s64(d0s64));
- vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
-
- d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 6);
- d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
-
- return vget_lane_u32(d0u32, 0);
-}
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