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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.c')
-rw-r--r--media/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.c547
1 files changed, 547 insertions, 0 deletions
diff --git a/media/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.c b/media/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.c
new file mode 100644
index 000000000..2b3c1ce60
--- /dev/null
+++ b/media/libvpx/vp9/common/arm/neon/vp9_idct8x8_add_neon.c
@@ -0,0 +1,547 @@
+/*
+ * 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_config.h"
+
+static int16_t cospi_4_64 = 16069;
+static int16_t cospi_8_64 = 15137;
+static int16_t cospi_12_64 = 13623;
+static int16_t cospi_16_64 = 11585;
+static int16_t cospi_20_64 = 9102;
+static int16_t cospi_24_64 = 6270;
+static int16_t cospi_28_64 = 3196;
+
+static INLINE void TRANSPOSE8X8(
+ int16x8_t *q8s16,
+ int16x8_t *q9s16,
+ int16x8_t *q10s16,
+ int16x8_t *q11s16,
+ int16x8_t *q12s16,
+ int16x8_t *q13s16,
+ int16x8_t *q14s16,
+ int16x8_t *q15s16) {
+ int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
+ int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
+ int32x4x2_t q0x2s32, q1x2s32, q2x2s32, q3x2s32;
+ int16x8x2_t q0x2s16, q1x2s16, q2x2s16, q3x2s16;
+
+ d16s16 = vget_low_s16(*q8s16);
+ d17s16 = vget_high_s16(*q8s16);
+ d18s16 = vget_low_s16(*q9s16);
+ d19s16 = vget_high_s16(*q9s16);
+ d20s16 = vget_low_s16(*q10s16);
+ d21s16 = vget_high_s16(*q10s16);
+ d22s16 = vget_low_s16(*q11s16);
+ d23s16 = vget_high_s16(*q11s16);
+ d24s16 = vget_low_s16(*q12s16);
+ d25s16 = vget_high_s16(*q12s16);
+ d26s16 = vget_low_s16(*q13s16);
+ d27s16 = vget_high_s16(*q13s16);
+ d28s16 = vget_low_s16(*q14s16);
+ d29s16 = vget_high_s16(*q14s16);
+ d30s16 = vget_low_s16(*q15s16);
+ d31s16 = vget_high_s16(*q15s16);
+
+ *q8s16 = vcombine_s16(d16s16, d24s16); // vswp d17, d24
+ *q9s16 = vcombine_s16(d18s16, d26s16); // vswp d19, d26
+ *q10s16 = vcombine_s16(d20s16, d28s16); // vswp d21, d28
+ *q11s16 = vcombine_s16(d22s16, d30s16); // vswp d23, d30
+ *q12s16 = vcombine_s16(d17s16, d25s16);
+ *q13s16 = vcombine_s16(d19s16, d27s16);
+ *q14s16 = vcombine_s16(d21s16, d29s16);
+ *q15s16 = vcombine_s16(d23s16, d31s16);
+
+ q0x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q8s16),
+ vreinterpretq_s32_s16(*q10s16));
+ q1x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q9s16),
+ vreinterpretq_s32_s16(*q11s16));
+ q2x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q12s16),
+ vreinterpretq_s32_s16(*q14s16));
+ q3x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q13s16),
+ vreinterpretq_s32_s16(*q15s16));
+
+ q0x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[0]), // q8
+ vreinterpretq_s16_s32(q1x2s32.val[0])); // q9
+ q1x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[1]), // q10
+ vreinterpretq_s16_s32(q1x2s32.val[1])); // q11
+ q2x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[0]), // q12
+ vreinterpretq_s16_s32(q3x2s32.val[0])); // q13
+ q3x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[1]), // q14
+ vreinterpretq_s16_s32(q3x2s32.val[1])); // q15
+
+ *q8s16 = q0x2s16.val[0];
+ *q9s16 = q0x2s16.val[1];
+ *q10s16 = q1x2s16.val[0];
+ *q11s16 = q1x2s16.val[1];
+ *q12s16 = q2x2s16.val[0];
+ *q13s16 = q2x2s16.val[1];
+ *q14s16 = q3x2s16.val[0];
+ *q15s16 = q3x2s16.val[1];
+ return;
+}
+
+static INLINE void IDCT8x8_1D(
+ int16x8_t *q8s16,
+ int16x8_t *q9s16,
+ int16x8_t *q10s16,
+ int16x8_t *q11s16,
+ int16x8_t *q12s16,
+ int16x8_t *q13s16,
+ int16x8_t *q14s16,
+ int16x8_t *q15s16) {
+ int16x4_t d0s16, d1s16, d2s16, d3s16;
+ int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16;
+ int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
+ int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
+ int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16;
+ int32x4_t q2s32, q3s32, q5s32, q6s32, q8s32, q9s32;
+ int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32;
+
+ d0s16 = vdup_n_s16(cospi_28_64);
+ d1s16 = vdup_n_s16(cospi_4_64);
+ d2s16 = vdup_n_s16(cospi_12_64);
+ d3s16 = vdup_n_s16(cospi_20_64);
+
+ d16s16 = vget_low_s16(*q8s16);
+ d17s16 = vget_high_s16(*q8s16);
+ d18s16 = vget_low_s16(*q9s16);
+ d19s16 = vget_high_s16(*q9s16);
+ d20s16 = vget_low_s16(*q10s16);
+ d21s16 = vget_high_s16(*q10s16);
+ d22s16 = vget_low_s16(*q11s16);
+ d23s16 = vget_high_s16(*q11s16);
+ d24s16 = vget_low_s16(*q12s16);
+ d25s16 = vget_high_s16(*q12s16);
+ d26s16 = vget_low_s16(*q13s16);
+ d27s16 = vget_high_s16(*q13s16);
+ d28s16 = vget_low_s16(*q14s16);
+ d29s16 = vget_high_s16(*q14s16);
+ d30s16 = vget_low_s16(*q15s16);
+ d31s16 = vget_high_s16(*q15s16);
+
+ q2s32 = vmull_s16(d18s16, d0s16);
+ q3s32 = vmull_s16(d19s16, d0s16);
+ q5s32 = vmull_s16(d26s16, d2s16);
+ q6s32 = vmull_s16(d27s16, d2s16);
+
+ q2s32 = vmlsl_s16(q2s32, d30s16, d1s16);
+ q3s32 = vmlsl_s16(q3s32, d31s16, d1s16);
+ q5s32 = vmlsl_s16(q5s32, d22s16, d3s16);
+ q6s32 = vmlsl_s16(q6s32, d23s16, d3s16);
+
+ d8s16 = vqrshrn_n_s32(q2s32, 14);
+ d9s16 = vqrshrn_n_s32(q3s32, 14);
+ d10s16 = vqrshrn_n_s32(q5s32, 14);
+ d11s16 = vqrshrn_n_s32(q6s32, 14);
+ q4s16 = vcombine_s16(d8s16, d9s16);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+
+ q2s32 = vmull_s16(d18s16, d1s16);
+ q3s32 = vmull_s16(d19s16, d1s16);
+ q9s32 = vmull_s16(d26s16, d3s16);
+ q13s32 = vmull_s16(d27s16, d3s16);
+
+ q2s32 = vmlal_s16(q2s32, d30s16, d0s16);
+ q3s32 = vmlal_s16(q3s32, d31s16, d0s16);
+ q9s32 = vmlal_s16(q9s32, d22s16, d2s16);
+ q13s32 = vmlal_s16(q13s32, d23s16, d2s16);
+
+ d14s16 = vqrshrn_n_s32(q2s32, 14);
+ d15s16 = vqrshrn_n_s32(q3s32, 14);
+ d12s16 = vqrshrn_n_s32(q9s32, 14);
+ d13s16 = vqrshrn_n_s32(q13s32, 14);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+ q7s16 = vcombine_s16(d14s16, d15s16);
+
+ d0s16 = vdup_n_s16(cospi_16_64);
+
+ q2s32 = vmull_s16(d16s16, d0s16);
+ q3s32 = vmull_s16(d17s16, d0s16);
+ q13s32 = vmull_s16(d16s16, d0s16);
+ q15s32 = vmull_s16(d17s16, d0s16);
+
+ q2s32 = vmlal_s16(q2s32, d24s16, d0s16);
+ q3s32 = vmlal_s16(q3s32, d25s16, d0s16);
+ q13s32 = vmlsl_s16(q13s32, d24s16, d0s16);
+ q15s32 = vmlsl_s16(q15s32, d25s16, d0s16);
+
+ d0s16 = vdup_n_s16(cospi_24_64);
+ d1s16 = vdup_n_s16(cospi_8_64);
+
+ d18s16 = vqrshrn_n_s32(q2s32, 14);
+ d19s16 = vqrshrn_n_s32(q3s32, 14);
+ d22s16 = vqrshrn_n_s32(q13s32, 14);
+ d23s16 = vqrshrn_n_s32(q15s32, 14);
+ *q9s16 = vcombine_s16(d18s16, d19s16);
+ *q11s16 = vcombine_s16(d22s16, d23s16);
+
+ q2s32 = vmull_s16(d20s16, d0s16);
+ q3s32 = vmull_s16(d21s16, d0s16);
+ q8s32 = vmull_s16(d20s16, d1s16);
+ q12s32 = vmull_s16(d21s16, d1s16);
+
+ q2s32 = vmlsl_s16(q2s32, d28s16, d1s16);
+ q3s32 = vmlsl_s16(q3s32, d29s16, d1s16);
+ q8s32 = vmlal_s16(q8s32, d28s16, d0s16);
+ q12s32 = vmlal_s16(q12s32, d29s16, d0s16);
+
+ d26s16 = vqrshrn_n_s32(q2s32, 14);
+ d27s16 = vqrshrn_n_s32(q3s32, 14);
+ d30s16 = vqrshrn_n_s32(q8s32, 14);
+ d31s16 = vqrshrn_n_s32(q12s32, 14);
+ *q13s16 = vcombine_s16(d26s16, d27s16);
+ *q15s16 = vcombine_s16(d30s16, d31s16);
+
+ q0s16 = vaddq_s16(*q9s16, *q15s16);
+ q1s16 = vaddq_s16(*q11s16, *q13s16);
+ q2s16 = vsubq_s16(*q11s16, *q13s16);
+ q3s16 = vsubq_s16(*q9s16, *q15s16);
+
+ *q13s16 = vsubq_s16(q4s16, q5s16);
+ q4s16 = vaddq_s16(q4s16, q5s16);
+ *q14s16 = vsubq_s16(q7s16, q6s16);
+ q7s16 = vaddq_s16(q7s16, q6s16);
+ d26s16 = vget_low_s16(*q13s16);
+ d27s16 = vget_high_s16(*q13s16);
+ d28s16 = vget_low_s16(*q14s16);
+ d29s16 = vget_high_s16(*q14s16);
+
+ d16s16 = vdup_n_s16(cospi_16_64);
+
+ q9s32 = vmull_s16(d28s16, d16s16);
+ q10s32 = vmull_s16(d29s16, d16s16);
+ q11s32 = vmull_s16(d28s16, d16s16);
+ q12s32 = vmull_s16(d29s16, d16s16);
+
+ q9s32 = vmlsl_s16(q9s32, d26s16, d16s16);
+ q10s32 = vmlsl_s16(q10s32, d27s16, d16s16);
+ q11s32 = vmlal_s16(q11s32, d26s16, d16s16);
+ q12s32 = vmlal_s16(q12s32, d27s16, d16s16);
+
+ d10s16 = vqrshrn_n_s32(q9s32, 14);
+ d11s16 = vqrshrn_n_s32(q10s32, 14);
+ d12s16 = vqrshrn_n_s32(q11s32, 14);
+ d13s16 = vqrshrn_n_s32(q12s32, 14);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ *q8s16 = vaddq_s16(q0s16, q7s16);
+ *q9s16 = vaddq_s16(q1s16, q6s16);
+ *q10s16 = vaddq_s16(q2s16, q5s16);
+ *q11s16 = vaddq_s16(q3s16, q4s16);
+ *q12s16 = vsubq_s16(q3s16, q4s16);
+ *q13s16 = vsubq_s16(q2s16, q5s16);
+ *q14s16 = vsubq_s16(q1s16, q6s16);
+ *q15s16 = vsubq_s16(q0s16, q7s16);
+ return;
+}
+
+void vp9_idct8x8_64_add_neon(
+ int16_t *input,
+ uint8_t *dest,
+ int dest_stride) {
+ uint8_t *d1, *d2;
+ uint8x8_t d0u8, d1u8, d2u8, d3u8;
+ uint64x1_t d0u64, d1u64, d2u64, d3u64;
+ int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16;
+ uint16x8_t q8u16, q9u16, q10u16, q11u16;
+
+ q8s16 = vld1q_s16(input);
+ q9s16 = vld1q_s16(input + 8);
+ q10s16 = vld1q_s16(input + 16);
+ q11s16 = vld1q_s16(input + 24);
+ q12s16 = vld1q_s16(input + 32);
+ q13s16 = vld1q_s16(input + 40);
+ q14s16 = vld1q_s16(input + 48);
+ q15s16 = vld1q_s16(input + 56);
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ q8s16 = vrshrq_n_s16(q8s16, 5);
+ q9s16 = vrshrq_n_s16(q9s16, 5);
+ q10s16 = vrshrq_n_s16(q10s16, 5);
+ q11s16 = vrshrq_n_s16(q11s16, 5);
+ q12s16 = vrshrq_n_s16(q12s16, 5);
+ q13s16 = vrshrq_n_s16(q13s16, 5);
+ q14s16 = vrshrq_n_s16(q14s16, 5);
+ q15s16 = vrshrq_n_s16(q15s16, 5);
+
+ d1 = d2 = dest;
+
+ d0u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d1u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d2u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d3u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+
+ q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16),
+ vreinterpret_u8_u64(d0u64));
+ q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16),
+ vreinterpret_u8_u64(d1u64));
+ q10u16 = vaddw_u8(vreinterpretq_u16_s16(q10s16),
+ vreinterpret_u8_u64(d2u64));
+ q11u16 = vaddw_u8(vreinterpretq_u16_s16(q11s16),
+ vreinterpret_u8_u64(d3u64));
+
+ d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
+ d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
+ d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16));
+ d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16));
+
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8));
+ d2 += dest_stride;
+
+ q8s16 = q12s16;
+ q9s16 = q13s16;
+ q10s16 = q14s16;
+ q11s16 = q15s16;
+
+ d0u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d1u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d2u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d3u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+
+ q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16),
+ vreinterpret_u8_u64(d0u64));
+ q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16),
+ vreinterpret_u8_u64(d1u64));
+ q10u16 = vaddw_u8(vreinterpretq_u16_s16(q10s16),
+ vreinterpret_u8_u64(d2u64));
+ q11u16 = vaddw_u8(vreinterpretq_u16_s16(q11s16),
+ vreinterpret_u8_u64(d3u64));
+
+ d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
+ d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
+ d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16));
+ d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16));
+
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8));
+ d2 += dest_stride;
+ return;
+}
+
+void vp9_idct8x8_12_add_neon(
+ int16_t *input,
+ uint8_t *dest,
+ int dest_stride) {
+ uint8_t *d1, *d2;
+ uint8x8_t d0u8, d1u8, d2u8, d3u8;
+ int16x4_t d10s16, d11s16, d12s16, d13s16, d16s16;
+ int16x4_t d26s16, d27s16, d28s16, d29s16;
+ uint64x1_t d0u64, d1u64, d2u64, d3u64;
+ int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16;
+ int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16;
+ uint16x8_t q8u16, q9u16, q10u16, q11u16;
+ int32x4_t q9s32, q10s32, q11s32, q12s32;
+
+ q8s16 = vld1q_s16(input);
+ q9s16 = vld1q_s16(input + 8);
+ q10s16 = vld1q_s16(input + 16);
+ q11s16 = vld1q_s16(input + 24);
+ q12s16 = vld1q_s16(input + 32);
+ q13s16 = vld1q_s16(input + 40);
+ q14s16 = vld1q_s16(input + 48);
+ q15s16 = vld1q_s16(input + 56);
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // First transform rows
+ // stage 1
+ q0s16 = vdupq_n_s16(cospi_28_64 * 2);
+ q1s16 = vdupq_n_s16(cospi_4_64 * 2);
+
+ q4s16 = vqrdmulhq_s16(q9s16, q0s16);
+
+ q0s16 = vdupq_n_s16(-cospi_20_64 * 2);
+
+ q7s16 = vqrdmulhq_s16(q9s16, q1s16);
+
+ q1s16 = vdupq_n_s16(cospi_12_64 * 2);
+
+ q5s16 = vqrdmulhq_s16(q11s16, q0s16);
+
+ q0s16 = vdupq_n_s16(cospi_16_64 * 2);
+
+ q6s16 = vqrdmulhq_s16(q11s16, q1s16);
+
+ // stage 2 & stage 3 - even half
+ q1s16 = vdupq_n_s16(cospi_24_64 * 2);
+
+ q9s16 = vqrdmulhq_s16(q8s16, q0s16);
+
+ q0s16 = vdupq_n_s16(cospi_8_64 * 2);
+
+ q13s16 = vqrdmulhq_s16(q10s16, q1s16);
+
+ q15s16 = vqrdmulhq_s16(q10s16, q0s16);
+
+ // stage 3 -odd half
+ q0s16 = vaddq_s16(q9s16, q15s16);
+ q1s16 = vaddq_s16(q9s16, q13s16);
+ q2s16 = vsubq_s16(q9s16, q13s16);
+ q3s16 = vsubq_s16(q9s16, q15s16);
+
+ // stage 2 - odd half
+ q13s16 = vsubq_s16(q4s16, q5s16);
+ q4s16 = vaddq_s16(q4s16, q5s16);
+ q14s16 = vsubq_s16(q7s16, q6s16);
+ q7s16 = vaddq_s16(q7s16, q6s16);
+ d26s16 = vget_low_s16(q13s16);
+ d27s16 = vget_high_s16(q13s16);
+ d28s16 = vget_low_s16(q14s16);
+ d29s16 = vget_high_s16(q14s16);
+
+ d16s16 = vdup_n_s16(cospi_16_64);
+ q9s32 = vmull_s16(d28s16, d16s16);
+ q10s32 = vmull_s16(d29s16, d16s16);
+ q11s32 = vmull_s16(d28s16, d16s16);
+ q12s32 = vmull_s16(d29s16, d16s16);
+
+ q9s32 = vmlsl_s16(q9s32, d26s16, d16s16);
+ q10s32 = vmlsl_s16(q10s32, d27s16, d16s16);
+ q11s32 = vmlal_s16(q11s32, d26s16, d16s16);
+ q12s32 = vmlal_s16(q12s32, d27s16, d16s16);
+
+ d10s16 = vqrshrn_n_s32(q9s32, 14);
+ d11s16 = vqrshrn_n_s32(q10s32, 14);
+ d12s16 = vqrshrn_n_s32(q11s32, 14);
+ d13s16 = vqrshrn_n_s32(q12s32, 14);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ // stage 4
+ q8s16 = vaddq_s16(q0s16, q7s16);
+ q9s16 = vaddq_s16(q1s16, q6s16);
+ q10s16 = vaddq_s16(q2s16, q5s16);
+ q11s16 = vaddq_s16(q3s16, q4s16);
+ q12s16 = vsubq_s16(q3s16, q4s16);
+ q13s16 = vsubq_s16(q2s16, q5s16);
+ q14s16 = vsubq_s16(q1s16, q6s16);
+ q15s16 = vsubq_s16(q0s16, q7s16);
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ q8s16 = vrshrq_n_s16(q8s16, 5);
+ q9s16 = vrshrq_n_s16(q9s16, 5);
+ q10s16 = vrshrq_n_s16(q10s16, 5);
+ q11s16 = vrshrq_n_s16(q11s16, 5);
+ q12s16 = vrshrq_n_s16(q12s16, 5);
+ q13s16 = vrshrq_n_s16(q13s16, 5);
+ q14s16 = vrshrq_n_s16(q14s16, 5);
+ q15s16 = vrshrq_n_s16(q15s16, 5);
+
+ d1 = d2 = dest;
+
+ d0u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d1u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d2u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d3u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+
+ q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16),
+ vreinterpret_u8_u64(d0u64));
+ q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16),
+ vreinterpret_u8_u64(d1u64));
+ q10u16 = vaddw_u8(vreinterpretq_u16_s16(q10s16),
+ vreinterpret_u8_u64(d2u64));
+ q11u16 = vaddw_u8(vreinterpretq_u16_s16(q11s16),
+ vreinterpret_u8_u64(d3u64));
+
+ d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
+ d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
+ d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16));
+ d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16));
+
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8));
+ d2 += dest_stride;
+
+ q8s16 = q12s16;
+ q9s16 = q13s16;
+ q10s16 = q14s16;
+ q11s16 = q15s16;
+
+ d0u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d1u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d2u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+ d3u64 = vld1_u64((uint64_t *)d1);
+ d1 += dest_stride;
+
+ q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16),
+ vreinterpret_u8_u64(d0u64));
+ q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16),
+ vreinterpret_u8_u64(d1u64));
+ q10u16 = vaddw_u8(vreinterpretq_u16_s16(q10s16),
+ vreinterpret_u8_u64(d2u64));
+ q11u16 = vaddw_u8(vreinterpretq_u16_s16(q11s16),
+ vreinterpret_u8_u64(d3u64));
+
+ d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
+ d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
+ d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16));
+ d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16));
+
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8));
+ d2 += dest_stride;
+ vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8));
+ d2 += dest_stride;
+ return;
+}