--- /dev/null
+/*
+ * 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>
+
+static int16_t cospi_2_64 = 16305;
+static int16_t cospi_4_64 = 16069;
+static int16_t cospi_6_64 = 15679;
+static int16_t cospi_8_64 = 15137;
+static int16_t cospi_10_64 = 14449;
+static int16_t cospi_12_64 = 13623;
+static int16_t cospi_14_64 = 12665;
+static int16_t cospi_16_64 = 11585;
+static int16_t cospi_18_64 = 10394;
+static int16_t cospi_20_64 = 9102;
+static int16_t cospi_22_64 = 7723;
+static int16_t cospi_24_64 = 6270;
+static int16_t cospi_26_64 = 4756;
+static int16_t cospi_28_64 = 3196;
+static int16_t cospi_30_64 = 1606;
+
+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;
+}
+
+void vp9_idct16x16_256_add_neon_pass1(
+ int16_t *in,
+ int16_t *out,
+ int output_stride) {
+ 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;
+ uint64x1_t d16u64, d17u64, d18u64, d19u64, d20u64, d21u64, d22u64, d23u64;
+ uint64x1_t d24u64, d25u64, d26u64, d27u64, d28u64, d29u64, d30u64, d31u64;
+ int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16;
+ int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16;
+ int32x4_t q0s32, q1s32, q2s32, q3s32, q5s32, q6s32, q9s32;
+ int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32;
+ int16x8x2_t q0x2s16;
+
+ q0x2s16 = vld2q_s16(in);
+ q8s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q9s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q10s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q11s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q12s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q13s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q14s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q15s16 = q0x2s16.val[0];
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ 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);
+
+ // stage 3
+ d0s16 = vdup_n_s16(cospi_28_64);
+ d1s16 = vdup_n_s16(cospi_4_64);
+
+ q2s32 = vmull_s16(d18s16, d0s16);
+ q3s32 = vmull_s16(d19s16, d0s16);
+ q5s32 = vmull_s16(d18s16, d1s16);
+ q6s32 = vmull_s16(d19s16, d1s16);
+
+ q2s32 = vmlsl_s16(q2s32, d30s16, d1s16);
+ q3s32 = vmlsl_s16(q3s32, d31s16, d1s16);
+ q5s32 = vmlal_s16(q5s32, d30s16, d0s16);
+ q6s32 = vmlal_s16(q6s32, d31s16, d0s16);
+
+ d2s16 = vdup_n_s16(cospi_12_64);
+ d3s16 = vdup_n_s16(cospi_20_64);
+
+ d8s16 = vqrshrn_n_s32(q2s32, 14);
+ d9s16 = vqrshrn_n_s32(q3s32, 14);
+ d14s16 = vqrshrn_n_s32(q5s32, 14);
+ d15s16 = vqrshrn_n_s32(q6s32, 14);
+ q4s16 = vcombine_s16(d8s16, d9s16);
+ q7s16 = vcombine_s16(d14s16, d15s16);
+
+ q2s32 = vmull_s16(d26s16, d2s16);
+ q3s32 = vmull_s16(d27s16, d2s16);
+ q9s32 = vmull_s16(d26s16, d3s16);
+ q15s32 = vmull_s16(d27s16, d3s16);
+
+ q2s32 = vmlsl_s16(q2s32, d22s16, d3s16);
+ q3s32 = vmlsl_s16(q3s32, d23s16, d3s16);
+ q9s32 = vmlal_s16(q9s32, d22s16, d2s16);
+ q15s32 = vmlal_s16(q15s32, d23s16, d2s16);
+
+ d10s16 = vqrshrn_n_s32(q2s32, 14);
+ d11s16 = vqrshrn_n_s32(q3s32, 14);
+ d12s16 = vqrshrn_n_s32(q9s32, 14);
+ d13s16 = vqrshrn_n_s32(q15s32, 14);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ // stage 4
+ d30s16 = vdup_n_s16(cospi_16_64);
+
+ q2s32 = vmull_s16(d16s16, d30s16);
+ q11s32 = vmull_s16(d17s16, d30s16);
+ q0s32 = vmull_s16(d24s16, d30s16);
+ q1s32 = vmull_s16(d25s16, d30s16);
+
+ d30s16 = vdup_n_s16(cospi_24_64);
+ d31s16 = vdup_n_s16(cospi_8_64);
+
+ q3s32 = vaddq_s32(q2s32, q0s32);
+ q12s32 = vaddq_s32(q11s32, q1s32);
+ q13s32 = vsubq_s32(q2s32, q0s32);
+ q1s32 = vsubq_s32(q11s32, q1s32);
+
+ d16s16 = vqrshrn_n_s32(q3s32, 14);
+ d17s16 = vqrshrn_n_s32(q12s32, 14);
+ d18s16 = vqrshrn_n_s32(q13s32, 14);
+ d19s16 = vqrshrn_n_s32(q1s32, 14);
+ q8s16 = vcombine_s16(d16s16, d17s16);
+ q9s16 = vcombine_s16(d18s16, d19s16);
+
+ q0s32 = vmull_s16(d20s16, d31s16);
+ q1s32 = vmull_s16(d21s16, d31s16);
+ q12s32 = vmull_s16(d20s16, d30s16);
+ q13s32 = vmull_s16(d21s16, d30s16);
+
+ q0s32 = vmlal_s16(q0s32, d28s16, d30s16);
+ q1s32 = vmlal_s16(q1s32, d29s16, d30s16);
+ q12s32 = vmlsl_s16(q12s32, d28s16, d31s16);
+ q13s32 = vmlsl_s16(q13s32, d29s16, d31s16);
+
+ d22s16 = vqrshrn_n_s32(q0s32, 14);
+ d23s16 = vqrshrn_n_s32(q1s32, 14);
+ d20s16 = vqrshrn_n_s32(q12s32, 14);
+ d21s16 = vqrshrn_n_s32(q13s32, 14);
+ q10s16 = vcombine_s16(d20s16, d21s16);
+ q11s16 = vcombine_s16(d22s16, d23s16);
+
+ q13s16 = vsubq_s16(q4s16, q5s16);
+ q4s16 = vaddq_s16(q4s16, q5s16);
+ q14s16 = vsubq_s16(q7s16, q6s16);
+ q15s16 = vaddq_s16(q6s16, q7s16);
+ d26s16 = vget_low_s16(q13s16);
+ d27s16 = vget_high_s16(q13s16);
+ d28s16 = vget_low_s16(q14s16);
+ d29s16 = vget_high_s16(q14s16);
+
+ // stage 5
+ q0s16 = vaddq_s16(q8s16, q11s16);
+ q1s16 = vaddq_s16(q9s16, q10s16);
+ q2s16 = vsubq_s16(q9s16, q10s16);
+ q3s16 = vsubq_s16(q8s16, q11s16);
+
+ d16s16 = vdup_n_s16(cospi_16_64);
+
+ q11s32 = vmull_s16(d26s16, d16s16);
+ q12s32 = vmull_s16(d27s16, d16s16);
+ q9s32 = vmull_s16(d28s16, d16s16);
+ q10s32 = vmull_s16(d29s16, d16s16);
+
+ q6s32 = vsubq_s32(q9s32, q11s32);
+ q13s32 = vsubq_s32(q10s32, q12s32);
+ q9s32 = vaddq_s32(q9s32, q11s32);
+ q10s32 = vaddq_s32(q10s32, q12s32);
+
+ d10s16 = vqrshrn_n_s32(q6s32, 14);
+ d11s16 = vqrshrn_n_s32(q13s32, 14);
+ d12s16 = vqrshrn_n_s32(q9s32, 14);
+ d13s16 = vqrshrn_n_s32(q10s32, 14);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ // stage 6
+ q8s16 = vaddq_s16(q0s16, q15s16);
+ 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, q15s16);
+
+ d16u64 = vreinterpret_u64_s16(vget_low_s16(q8s16));
+ d17u64 = vreinterpret_u64_s16(vget_high_s16(q8s16));
+ d18u64 = vreinterpret_u64_s16(vget_low_s16(q9s16));
+ d19u64 = vreinterpret_u64_s16(vget_high_s16(q9s16));
+ d20u64 = vreinterpret_u64_s16(vget_low_s16(q10s16));
+ d21u64 = vreinterpret_u64_s16(vget_high_s16(q10s16));
+ d22u64 = vreinterpret_u64_s16(vget_low_s16(q11s16));
+ d23u64 = vreinterpret_u64_s16(vget_high_s16(q11s16));
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ d28u64 = vreinterpret_u64_s16(vget_low_s16(q14s16));
+ d29u64 = vreinterpret_u64_s16(vget_high_s16(q14s16));
+ d30u64 = vreinterpret_u64_s16(vget_low_s16(q15s16));
+ d31u64 = vreinterpret_u64_s16(vget_high_s16(q15s16));
+
+ // store the data
+ output_stride >>= 1; // output_stride / 2, out is int16_t
+ vst1_u64((uint64_t *)out, d16u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d17u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d18u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d19u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d20u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d21u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d22u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d23u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d24u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d28u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d29u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d30u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d31u64);
+ return;
+}
+
+void vp9_idct16x16_256_add_neon_pass2(
+ int16_t *src,
+ int16_t *out,
+ int16_t *pass1Output,
+ int16_t skip_adding,
+ uint8_t *dest,
+ int dest_stride) {
+ uint8_t *d;
+ uint8x8_t d12u8, d13u8;
+ int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16;
+ 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;
+ uint64x1_t d24u64, d25u64, d26u64, d27u64;
+ int64x1_t d12s64, d13s64;
+ uint16x8_t q2u16, q3u16, q4u16, q5u16, q8u16;
+ uint16x8_t q9u16, q12u16, q13u16, q14u16, q15u16;
+ int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16;
+ int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16;
+ int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q8s32, q9s32;
+ int32x4_t q10s32, q11s32, q12s32, q13s32;
+ int16x8x2_t q0x2s16;
+
+ q0x2s16 = vld2q_s16(src);
+ q8s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q9s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q10s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q11s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q12s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q13s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q14s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q15s16 = q0x2s16.val[0];
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ 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);
+
+ // stage 3
+ d12s16 = vdup_n_s16(cospi_30_64);
+ d13s16 = vdup_n_s16(cospi_2_64);
+
+ q2s32 = vmull_s16(d16s16, d12s16);
+ q3s32 = vmull_s16(d17s16, d12s16);
+ q1s32 = vmull_s16(d16s16, d13s16);
+ q4s32 = vmull_s16(d17s16, d13s16);
+
+ q2s32 = vmlsl_s16(q2s32, d30s16, d13s16);
+ q3s32 = vmlsl_s16(q3s32, d31s16, d13s16);
+ q1s32 = vmlal_s16(q1s32, d30s16, d12s16);
+ q4s32 = vmlal_s16(q4s32, d31s16, d12s16);
+
+ d0s16 = vqrshrn_n_s32(q2s32, 14);
+ d1s16 = vqrshrn_n_s32(q3s32, 14);
+ d14s16 = vqrshrn_n_s32(q1s32, 14);
+ d15s16 = vqrshrn_n_s32(q4s32, 14);
+ q0s16 = vcombine_s16(d0s16, d1s16);
+ q7s16 = vcombine_s16(d14s16, d15s16);
+
+ d30s16 = vdup_n_s16(cospi_14_64);
+ d31s16 = vdup_n_s16(cospi_18_64);
+
+ q2s32 = vmull_s16(d24s16, d30s16);
+ q3s32 = vmull_s16(d25s16, d30s16);
+ q4s32 = vmull_s16(d24s16, d31s16);
+ q5s32 = vmull_s16(d25s16, d31s16);
+
+ q2s32 = vmlsl_s16(q2s32, d22s16, d31s16);
+ q3s32 = vmlsl_s16(q3s32, d23s16, d31s16);
+ q4s32 = vmlal_s16(q4s32, d22s16, d30s16);
+ q5s32 = vmlal_s16(q5s32, d23s16, d30s16);
+
+ d2s16 = vqrshrn_n_s32(q2s32, 14);
+ d3s16 = vqrshrn_n_s32(q3s32, 14);
+ d12s16 = vqrshrn_n_s32(q4s32, 14);
+ d13s16 = vqrshrn_n_s32(q5s32, 14);
+ q1s16 = vcombine_s16(d2s16, d3s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ d30s16 = vdup_n_s16(cospi_22_64);
+ d31s16 = vdup_n_s16(cospi_10_64);
+
+ q11s32 = vmull_s16(d20s16, d30s16);
+ q12s32 = vmull_s16(d21s16, d30s16);
+ q4s32 = vmull_s16(d20s16, d31s16);
+ q5s32 = vmull_s16(d21s16, d31s16);
+
+ q11s32 = vmlsl_s16(q11s32, d26s16, d31s16);
+ q12s32 = vmlsl_s16(q12s32, d27s16, d31s16);
+ q4s32 = vmlal_s16(q4s32, d26s16, d30s16);
+ q5s32 = vmlal_s16(q5s32, d27s16, d30s16);
+
+ d4s16 = vqrshrn_n_s32(q11s32, 14);
+ d5s16 = vqrshrn_n_s32(q12s32, 14);
+ d11s16 = vqrshrn_n_s32(q5s32, 14);
+ d10s16 = vqrshrn_n_s32(q4s32, 14);
+ q2s16 = vcombine_s16(d4s16, d5s16);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+
+ d30s16 = vdup_n_s16(cospi_6_64);
+ d31s16 = vdup_n_s16(cospi_26_64);
+
+ q10s32 = vmull_s16(d28s16, d30s16);
+ q11s32 = vmull_s16(d29s16, d30s16);
+ q12s32 = vmull_s16(d28s16, d31s16);
+ q13s32 = vmull_s16(d29s16, d31s16);
+
+ q10s32 = vmlsl_s16(q10s32, d18s16, d31s16);
+ q11s32 = vmlsl_s16(q11s32, d19s16, d31s16);
+ q12s32 = vmlal_s16(q12s32, d18s16, d30s16);
+ q13s32 = vmlal_s16(q13s32, d19s16, d30s16);
+
+ d6s16 = vqrshrn_n_s32(q10s32, 14);
+ d7s16 = vqrshrn_n_s32(q11s32, 14);
+ d8s16 = vqrshrn_n_s32(q12s32, 14);
+ d9s16 = vqrshrn_n_s32(q13s32, 14);
+ q3s16 = vcombine_s16(d6s16, d7s16);
+ q4s16 = vcombine_s16(d8s16, d9s16);
+
+ // stage 3
+ q9s16 = vsubq_s16(q0s16, q1s16);
+ q0s16 = vaddq_s16(q0s16, q1s16);
+ q10s16 = vsubq_s16(q3s16, q2s16);
+ q11s16 = vaddq_s16(q2s16, q3s16);
+ q12s16 = vaddq_s16(q4s16, q5s16);
+ q13s16 = vsubq_s16(q4s16, q5s16);
+ q14s16 = vsubq_s16(q7s16, q6s16);
+ q7s16 = vaddq_s16(q6s16, q7s16);
+
+ // stage 4
+ d18s16 = vget_low_s16(q9s16);
+ d19s16 = vget_high_s16(q9s16);
+ d20s16 = vget_low_s16(q10s16);
+ d21s16 = vget_high_s16(q10s16);
+ d26s16 = vget_low_s16(q13s16);
+ d27s16 = vget_high_s16(q13s16);
+ d28s16 = vget_low_s16(q14s16);
+ d29s16 = vget_high_s16(q14s16);
+
+ d30s16 = vdup_n_s16(cospi_8_64);
+ d31s16 = vdup_n_s16(cospi_24_64);
+
+ q2s32 = vmull_s16(d18s16, d31s16);
+ q3s32 = vmull_s16(d19s16, d31s16);
+ q4s32 = vmull_s16(d28s16, d31s16);
+ q5s32 = vmull_s16(d29s16, d31s16);
+
+ q2s32 = vmlal_s16(q2s32, d28s16, d30s16);
+ q3s32 = vmlal_s16(q3s32, d29s16, d30s16);
+ q4s32 = vmlsl_s16(q4s32, d18s16, d30s16);
+ q5s32 = vmlsl_s16(q5s32, d19s16, d30s16);
+
+ d12s16 = vqrshrn_n_s32(q2s32, 14);
+ d13s16 = vqrshrn_n_s32(q3s32, 14);
+ d2s16 = vqrshrn_n_s32(q4s32, 14);
+ d3s16 = vqrshrn_n_s32(q5s32, 14);
+ q1s16 = vcombine_s16(d2s16, d3s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ q3s16 = q11s16;
+ q4s16 = q12s16;
+
+ d30s16 = vdup_n_s16(-cospi_8_64);
+ q11s32 = vmull_s16(d26s16, d30s16);
+ q12s32 = vmull_s16(d27s16, d30s16);
+ q8s32 = vmull_s16(d20s16, d30s16);
+ q9s32 = vmull_s16(d21s16, d30s16);
+
+ q11s32 = vmlsl_s16(q11s32, d20s16, d31s16);
+ q12s32 = vmlsl_s16(q12s32, d21s16, d31s16);
+ q8s32 = vmlal_s16(q8s32, d26s16, d31s16);
+ q9s32 = vmlal_s16(q9s32, d27s16, d31s16);
+
+ d4s16 = vqrshrn_n_s32(q11s32, 14);
+ d5s16 = vqrshrn_n_s32(q12s32, 14);
+ d10s16 = vqrshrn_n_s32(q8s32, 14);
+ d11s16 = vqrshrn_n_s32(q9s32, 14);
+ q2s16 = vcombine_s16(d4s16, d5s16);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+
+ // stage 5
+ q8s16 = vaddq_s16(q0s16, q3s16);
+ q9s16 = vaddq_s16(q1s16, q2s16);
+ q10s16 = vsubq_s16(q1s16, q2s16);
+ q11s16 = vsubq_s16(q0s16, q3s16);
+ q12s16 = vsubq_s16(q7s16, q4s16);
+ q13s16 = vsubq_s16(q6s16, q5s16);
+ q14s16 = vaddq_s16(q6s16, q5s16);
+ q15s16 = vaddq_s16(q7s16, q4s16);
+
+ // stage 6
+ 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);
+
+ d14s16 = vdup_n_s16(cospi_16_64);
+
+ q3s32 = vmull_s16(d26s16, d14s16);
+ q4s32 = vmull_s16(d27s16, d14s16);
+ q0s32 = vmull_s16(d20s16, d14s16);
+ q1s32 = vmull_s16(d21s16, d14s16);
+
+ q5s32 = vsubq_s32(q3s32, q0s32);
+ q6s32 = vsubq_s32(q4s32, q1s32);
+ q10s32 = vaddq_s32(q3s32, q0s32);
+ q4s32 = vaddq_s32(q4s32, q1s32);
+
+ d4s16 = vqrshrn_n_s32(q5s32, 14);
+ d5s16 = vqrshrn_n_s32(q6s32, 14);
+ d10s16 = vqrshrn_n_s32(q10s32, 14);
+ d11s16 = vqrshrn_n_s32(q4s32, 14);
+ q2s16 = vcombine_s16(d4s16, d5s16);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+
+ q0s32 = vmull_s16(d22s16, d14s16);
+ q1s32 = vmull_s16(d23s16, d14s16);
+ q13s32 = vmull_s16(d24s16, d14s16);
+ q6s32 = vmull_s16(d25s16, d14s16);
+
+ q10s32 = vsubq_s32(q13s32, q0s32);
+ q4s32 = vsubq_s32(q6s32, q1s32);
+ q13s32 = vaddq_s32(q13s32, q0s32);
+ q6s32 = vaddq_s32(q6s32, q1s32);
+
+ d6s16 = vqrshrn_n_s32(q10s32, 14);
+ d7s16 = vqrshrn_n_s32(q4s32, 14);
+ d8s16 = vqrshrn_n_s32(q13s32, 14);
+ d9s16 = vqrshrn_n_s32(q6s32, 14);
+ q3s16 = vcombine_s16(d6s16, d7s16);
+ q4s16 = vcombine_s16(d8s16, d9s16);
+
+ // stage 7
+ if (skip_adding != 0) {
+ d = dest;
+ // load the data in pass1
+ q0s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q1s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ d13s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+
+ q12s16 = vaddq_s16(q0s16, q15s16);
+ q13s16 = vaddq_s16(q1s16, q14s16);
+ q12s16 = vrshrq_n_s16(q12s16, 6);
+ q13s16 = vrshrq_n_s16(q13s16, 6);
+ q12u16 = vaddw_u8(vreinterpretq_u16_s16(q12s16),
+ vreinterpret_u8_s64(d12s64));
+ q13u16 = vaddw_u8(vreinterpretq_u16_s16(q13s16),
+ vreinterpret_u8_s64(d13s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q12u16));
+ d13u8 = vqmovun_s16(vreinterpretq_s16_u16(q13u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d13u8));
+ d += dest_stride;
+ q14s16 = vsubq_s16(q1s16, q14s16);
+ q15s16 = vsubq_s16(q0s16, q15s16);
+
+ q10s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q11s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ d13s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q12s16 = vaddq_s16(q10s16, q5s16);
+ q13s16 = vaddq_s16(q11s16, q4s16);
+ q12s16 = vrshrq_n_s16(q12s16, 6);
+ q13s16 = vrshrq_n_s16(q13s16, 6);
+ q12u16 = vaddw_u8(vreinterpretq_u16_s16(q12s16),
+ vreinterpret_u8_s64(d12s64));
+ q13u16 = vaddw_u8(vreinterpretq_u16_s16(q13s16),
+ vreinterpret_u8_s64(d13s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q12u16));
+ d13u8 = vqmovun_s16(vreinterpretq_s16_u16(q13u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d13u8));
+ d += dest_stride;
+ q4s16 = vsubq_s16(q11s16, q4s16);
+ q5s16 = vsubq_s16(q10s16, q5s16);
+
+ q0s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q1s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ d13s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q12s16 = vaddq_s16(q0s16, q3s16);
+ q13s16 = vaddq_s16(q1s16, q2s16);
+ q12s16 = vrshrq_n_s16(q12s16, 6);
+ q13s16 = vrshrq_n_s16(q13s16, 6);
+ q12u16 = vaddw_u8(vreinterpretq_u16_s16(q12s16),
+ vreinterpret_u8_s64(d12s64));
+ q13u16 = vaddw_u8(vreinterpretq_u16_s16(q13s16),
+ vreinterpret_u8_s64(d13s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q12u16));
+ d13u8 = vqmovun_s16(vreinterpretq_s16_u16(q13u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d13u8));
+ d += dest_stride;
+ q2s16 = vsubq_s16(q1s16, q2s16);
+ q3s16 = vsubq_s16(q0s16, q3s16);
+
+ q10s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q11s16 = vld1q_s16(pass1Output);
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ d13s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q12s16 = vaddq_s16(q10s16, q9s16);
+ q13s16 = vaddq_s16(q11s16, q8s16);
+ q12s16 = vrshrq_n_s16(q12s16, 6);
+ q13s16 = vrshrq_n_s16(q13s16, 6);
+ q12u16 = vaddw_u8(vreinterpretq_u16_s16(q12s16),
+ vreinterpret_u8_s64(d12s64));
+ q13u16 = vaddw_u8(vreinterpretq_u16_s16(q13s16),
+ vreinterpret_u8_s64(d13s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q12u16));
+ d13u8 = vqmovun_s16(vreinterpretq_s16_u16(q13u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d13u8));
+ d += dest_stride;
+ q8s16 = vsubq_s16(q11s16, q8s16);
+ q9s16 = vsubq_s16(q10s16, q9s16);
+
+ // store the data out 8,9,10,11,12,13,14,15
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q8s16 = vrshrq_n_s16(q8s16, 6);
+ q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16),
+ vreinterpret_u8_s64(d12s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q9s16 = vrshrq_n_s16(q9s16, 6);
+ q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16),
+ vreinterpret_u8_s64(d12s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q2s16 = vrshrq_n_s16(q2s16, 6);
+ q2u16 = vaddw_u8(vreinterpretq_u16_s16(q2s16),
+ vreinterpret_u8_s64(d12s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q2u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q3s16 = vrshrq_n_s16(q3s16, 6);
+ q3u16 = vaddw_u8(vreinterpretq_u16_s16(q3s16),
+ vreinterpret_u8_s64(d12s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q3u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q4s16 = vrshrq_n_s16(q4s16, 6);
+ q4u16 = vaddw_u8(vreinterpretq_u16_s16(q4s16),
+ vreinterpret_u8_s64(d12s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q4u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q5s16 = vrshrq_n_s16(q5s16, 6);
+ q5u16 = vaddw_u8(vreinterpretq_u16_s16(q5s16),
+ vreinterpret_u8_s64(d12s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q5u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+
+ d12s64 = vld1_s64((int64_t *)dest);
+ dest += dest_stride;
+ q14s16 = vrshrq_n_s16(q14s16, 6);
+ q14u16 = vaddw_u8(vreinterpretq_u16_s16(q14s16),
+ vreinterpret_u8_s64(d12s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q14u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ d += dest_stride;
+
+ d12s64 = vld1_s64((int64_t *)dest);
+ q15s16 = vrshrq_n_s16(q15s16, 6);
+ q15u16 = vaddw_u8(vreinterpretq_u16_s16(q15s16),
+ vreinterpret_u8_s64(d12s64));
+ d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q15u16));
+ vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8));
+ } else { // skip_adding_dest
+ q0s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q1s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q12s16 = vaddq_s16(q0s16, q15s16);
+ q13s16 = vaddq_s16(q1s16, q14s16);
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ vst1_u64((uint64_t *)out, d24u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += 12;
+ q14s16 = vsubq_s16(q1s16, q14s16);
+ q15s16 = vsubq_s16(q0s16, q15s16);
+
+ q10s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q11s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q12s16 = vaddq_s16(q10s16, q5s16);
+ q13s16 = vaddq_s16(q11s16, q4s16);
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ vst1_u64((uint64_t *)out, d24u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += 12;
+ q4s16 = vsubq_s16(q11s16, q4s16);
+ q5s16 = vsubq_s16(q10s16, q5s16);
+
+ q0s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q1s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q12s16 = vaddq_s16(q0s16, q3s16);
+ q13s16 = vaddq_s16(q1s16, q2s16);
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ vst1_u64((uint64_t *)out, d24u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += 12;
+ q2s16 = vsubq_s16(q1s16, q2s16);
+ q3s16 = vsubq_s16(q0s16, q3s16);
+
+ q10s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q11s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q12s16 = vaddq_s16(q10s16, q9s16);
+ q13s16 = vaddq_s16(q11s16, q8s16);
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ vst1_u64((uint64_t *)out, d24u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += 12;
+ q8s16 = vsubq_s16(q11s16, q8s16);
+ q9s16 = vsubq_s16(q10s16, q9s16);
+
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q8s16)));
+ out += 4;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q8s16)));
+ out += 12;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q9s16)));
+ out += 4;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q9s16)));
+ out += 12;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q2s16)));
+ out += 4;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q2s16)));
+ out += 12;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q3s16)));
+ out += 4;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q3s16)));
+ out += 12;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q4s16)));
+ out += 4;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q4s16)));
+ out += 12;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q5s16)));
+ out += 4;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q5s16)));
+ out += 12;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q14s16)));
+ out += 4;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q14s16)));
+ out += 12;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q15s16)));
+ out += 4;
+ vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q15s16)));
+ }
+ return;
+}
+
+void vp9_idct16x16_10_add_neon_pass1(
+ int16_t *in,
+ int16_t *out,
+ int output_stride) {
+ int16x4_t d4s16;
+ int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16;
+ uint64x1_t d4u64, d5u64, d18u64, d19u64, d20u64, d21u64, d22u64, d23u64;
+ uint64x1_t d24u64, d25u64, d26u64, d27u64, d28u64, d29u64, d30u64, d31u64;
+ int16x8_t q0s16, q1s16, q2s16, q4s16, q5s16, q6s16, q7s16;
+ int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16;
+ int32x4_t q6s32, q9s32;
+ int32x4_t q10s32, q11s32, q12s32, q15s32;
+ int16x8x2_t q0x2s16;
+
+ q0x2s16 = vld2q_s16(in);
+ q8s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q9s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q10s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q11s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q12s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q13s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q14s16 = q0x2s16.val[0];
+ in += 16;
+ q0x2s16 = vld2q_s16(in);
+ q15s16 = q0x2s16.val[0];
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // stage 3
+ q0s16 = vdupq_n_s16(cospi_28_64 * 2);
+ q1s16 = vdupq_n_s16(cospi_4_64 * 2);
+
+ q4s16 = vqrdmulhq_s16(q9s16, q0s16);
+ q7s16 = vqrdmulhq_s16(q9s16, q1s16);
+
+ // stage 4
+ q1s16 = vdupq_n_s16(cospi_16_64 * 2);
+ d4s16 = vdup_n_s16(cospi_16_64);
+
+ q8s16 = vqrdmulhq_s16(q8s16, q1s16);
+
+ d8s16 = vget_low_s16(q4s16);
+ d9s16 = vget_high_s16(q4s16);
+ d14s16 = vget_low_s16(q7s16);
+ d15s16 = vget_high_s16(q7s16);
+ q9s32 = vmull_s16(d14s16, d4s16);
+ q10s32 = vmull_s16(d15s16, d4s16);
+ q12s32 = vmull_s16(d9s16, d4s16);
+ q11s32 = vmull_s16(d8s16, d4s16);
+
+ q15s32 = vsubq_s32(q10s32, q12s32);
+ q6s32 = vsubq_s32(q9s32, q11s32);
+ q9s32 = vaddq_s32(q9s32, q11s32);
+ q10s32 = vaddq_s32(q10s32, q12s32);
+
+ d11s16 = vqrshrn_n_s32(q15s32, 14);
+ d10s16 = vqrshrn_n_s32(q6s32, 14);
+ d12s16 = vqrshrn_n_s32(q9s32, 14);
+ d13s16 = vqrshrn_n_s32(q10s32, 14);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ // stage 6
+ q2s16 = vaddq_s16(q8s16, q7s16);
+ q9s16 = vaddq_s16(q8s16, q6s16);
+ q10s16 = vaddq_s16(q8s16, q5s16);
+ q11s16 = vaddq_s16(q8s16, q4s16);
+ q12s16 = vsubq_s16(q8s16, q4s16);
+ q13s16 = vsubq_s16(q8s16, q5s16);
+ q14s16 = vsubq_s16(q8s16, q6s16);
+ q15s16 = vsubq_s16(q8s16, q7s16);
+
+ d4u64 = vreinterpret_u64_s16(vget_low_s16(q2s16));
+ d5u64 = vreinterpret_u64_s16(vget_high_s16(q2s16));
+ d18u64 = vreinterpret_u64_s16(vget_low_s16(q9s16));
+ d19u64 = vreinterpret_u64_s16(vget_high_s16(q9s16));
+ d20u64 = vreinterpret_u64_s16(vget_low_s16(q10s16));
+ d21u64 = vreinterpret_u64_s16(vget_high_s16(q10s16));
+ d22u64 = vreinterpret_u64_s16(vget_low_s16(q11s16));
+ d23u64 = vreinterpret_u64_s16(vget_high_s16(q11s16));
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ d28u64 = vreinterpret_u64_s16(vget_low_s16(q14s16));
+ d29u64 = vreinterpret_u64_s16(vget_high_s16(q14s16));
+ d30u64 = vreinterpret_u64_s16(vget_low_s16(q15s16));
+ d31u64 = vreinterpret_u64_s16(vget_high_s16(q15s16));
+
+ // store the data
+ output_stride >>= 1; // output_stride / 2, out is int16_t
+ vst1_u64((uint64_t *)out, d4u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d5u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d18u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d19u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d20u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d21u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d22u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d23u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d24u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d28u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d29u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d30u64);
+ out += output_stride;
+ vst1_u64((uint64_t *)out, d31u64);
+ return;
+}
+
+void vp9_idct16x16_10_add_neon_pass2(
+ int16_t *src,
+ int16_t *out,
+ int16_t *pass1Output,
+ int16_t skip_adding,
+ uint8_t *dest,
+ int dest_stride) {
+ int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16;
+ int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16;
+ int16x4_t d20s16, d21s16, d22s16, d23s16;
+ int16x4_t d24s16, d25s16, d26s16, d27s16, d30s16, d31s16;
+ uint64x1_t d4u64, d5u64, d6u64, d7u64, d8u64, d9u64, d10u64, d11u64;
+ uint64x1_t d16u64, d17u64, d18u64, d19u64;
+ uint64x1_t d24u64, d25u64, d26u64, d27u64, d28u64, d29u64, d30u64, d31u64;
+ int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16;
+ int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16;
+ int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q8s32, q9s32;
+ int32x4_t q10s32, q11s32, q12s32, q13s32;
+ int16x8x2_t q0x2s16;
+ (void)skip_adding;
+ (void)dest;
+ (void)dest_stride;
+
+ q0x2s16 = vld2q_s16(src);
+ q8s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q9s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q10s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q11s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q12s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q13s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q14s16 = q0x2s16.val[0];
+ src += 16;
+ q0x2s16 = vld2q_s16(src);
+ q15s16 = q0x2s16.val[0];
+
+ TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16,
+ &q12s16, &q13s16, &q14s16, &q15s16);
+
+ // stage 3
+ q6s16 = vdupq_n_s16(cospi_30_64 * 2);
+ q0s16 = vqrdmulhq_s16(q8s16, q6s16);
+ q6s16 = vdupq_n_s16(cospi_2_64 * 2);
+ q7s16 = vqrdmulhq_s16(q8s16, q6s16);
+
+ q15s16 = vdupq_n_s16(-cospi_26_64 * 2);
+ q14s16 = vdupq_n_s16(cospi_6_64 * 2);
+ q3s16 = vqrdmulhq_s16(q9s16, q15s16);
+ q4s16 = vqrdmulhq_s16(q9s16, q14s16);
+
+ // stage 4
+ d0s16 = vget_low_s16(q0s16);
+ d1s16 = vget_high_s16(q0s16);
+ d6s16 = vget_low_s16(q3s16);
+ d7s16 = vget_high_s16(q3s16);
+ d8s16 = vget_low_s16(q4s16);
+ d9s16 = vget_high_s16(q4s16);
+ d14s16 = vget_low_s16(q7s16);
+ d15s16 = vget_high_s16(q7s16);
+
+ d30s16 = vdup_n_s16(cospi_8_64);
+ d31s16 = vdup_n_s16(cospi_24_64);
+
+ q12s32 = vmull_s16(d14s16, d31s16);
+ q5s32 = vmull_s16(d15s16, d31s16);
+ q2s32 = vmull_s16(d0s16, d31s16);
+ q11s32 = vmull_s16(d1s16, d31s16);
+
+ q12s32 = vmlsl_s16(q12s32, d0s16, d30s16);
+ q5s32 = vmlsl_s16(q5s32, d1s16, d30s16);
+ q2s32 = vmlal_s16(q2s32, d14s16, d30s16);
+ q11s32 = vmlal_s16(q11s32, d15s16, d30s16);
+
+ d2s16 = vqrshrn_n_s32(q12s32, 14);
+ d3s16 = vqrshrn_n_s32(q5s32, 14);
+ d12s16 = vqrshrn_n_s32(q2s32, 14);
+ d13s16 = vqrshrn_n_s32(q11s32, 14);
+ q1s16 = vcombine_s16(d2s16, d3s16);
+ q6s16 = vcombine_s16(d12s16, d13s16);
+
+ d30s16 = vdup_n_s16(-cospi_8_64);
+ q10s32 = vmull_s16(d8s16, d30s16);
+ q13s32 = vmull_s16(d9s16, d30s16);
+ q8s32 = vmull_s16(d6s16, d30s16);
+ q9s32 = vmull_s16(d7s16, d30s16);
+
+ q10s32 = vmlsl_s16(q10s32, d6s16, d31s16);
+ q13s32 = vmlsl_s16(q13s32, d7s16, d31s16);
+ q8s32 = vmlal_s16(q8s32, d8s16, d31s16);
+ q9s32 = vmlal_s16(q9s32, d9s16, d31s16);
+
+ d4s16 = vqrshrn_n_s32(q10s32, 14);
+ d5s16 = vqrshrn_n_s32(q13s32, 14);
+ d10s16 = vqrshrn_n_s32(q8s32, 14);
+ d11s16 = vqrshrn_n_s32(q9s32, 14);
+ q2s16 = vcombine_s16(d4s16, d5s16);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+
+ // stage 5
+ q8s16 = vaddq_s16(q0s16, q3s16);
+ q9s16 = vaddq_s16(q1s16, q2s16);
+ q10s16 = vsubq_s16(q1s16, q2s16);
+ q11s16 = vsubq_s16(q0s16, q3s16);
+ q12s16 = vsubq_s16(q7s16, q4s16);
+ q13s16 = vsubq_s16(q6s16, q5s16);
+ q14s16 = vaddq_s16(q6s16, q5s16);
+ q15s16 = vaddq_s16(q7s16, q4s16);
+
+ // stage 6
+ 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);
+
+ d14s16 = vdup_n_s16(cospi_16_64);
+ q3s32 = vmull_s16(d26s16, d14s16);
+ q4s32 = vmull_s16(d27s16, d14s16);
+ q0s32 = vmull_s16(d20s16, d14s16);
+ q1s32 = vmull_s16(d21s16, d14s16);
+
+ q5s32 = vsubq_s32(q3s32, q0s32);
+ q6s32 = vsubq_s32(q4s32, q1s32);
+ q0s32 = vaddq_s32(q3s32, q0s32);
+ q4s32 = vaddq_s32(q4s32, q1s32);
+
+ d4s16 = vqrshrn_n_s32(q5s32, 14);
+ d5s16 = vqrshrn_n_s32(q6s32, 14);
+ d10s16 = vqrshrn_n_s32(q0s32, 14);
+ d11s16 = vqrshrn_n_s32(q4s32, 14);
+ q2s16 = vcombine_s16(d4s16, d5s16);
+ q5s16 = vcombine_s16(d10s16, d11s16);
+
+ q0s32 = vmull_s16(d22s16, d14s16);
+ q1s32 = vmull_s16(d23s16, d14s16);
+ q13s32 = vmull_s16(d24s16, d14s16);
+ q6s32 = vmull_s16(d25s16, d14s16);
+
+ q10s32 = vsubq_s32(q13s32, q0s32);
+ q4s32 = vsubq_s32(q6s32, q1s32);
+ q13s32 = vaddq_s32(q13s32, q0s32);
+ q6s32 = vaddq_s32(q6s32, q1s32);
+
+ d6s16 = vqrshrn_n_s32(q10s32, 14);
+ d7s16 = vqrshrn_n_s32(q4s32, 14);
+ d8s16 = vqrshrn_n_s32(q13s32, 14);
+ d9s16 = vqrshrn_n_s32(q6s32, 14);
+ q3s16 = vcombine_s16(d6s16, d7s16);
+ q4s16 = vcombine_s16(d8s16, d9s16);
+
+ // stage 7
+ q0s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q1s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q12s16 = vaddq_s16(q0s16, q15s16);
+ q13s16 = vaddq_s16(q1s16, q14s16);
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ vst1_u64((uint64_t *)out, d24u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += 12;
+ q14s16 = vsubq_s16(q1s16, q14s16);
+ q15s16 = vsubq_s16(q0s16, q15s16);
+
+ q10s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q11s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q12s16 = vaddq_s16(q10s16, q5s16);
+ q13s16 = vaddq_s16(q11s16, q4s16);
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ vst1_u64((uint64_t *)out, d24u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += 12;
+ q4s16 = vsubq_s16(q11s16, q4s16);
+ q5s16 = vsubq_s16(q10s16, q5s16);
+
+ q0s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q1s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q12s16 = vaddq_s16(q0s16, q3s16);
+ q13s16 = vaddq_s16(q1s16, q2s16);
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ vst1_u64((uint64_t *)out, d24u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += 12;
+ q2s16 = vsubq_s16(q1s16, q2s16);
+ q3s16 = vsubq_s16(q0s16, q3s16);
+
+ q10s16 = vld1q_s16(pass1Output);
+ pass1Output += 8;
+ q11s16 = vld1q_s16(pass1Output);
+ q12s16 = vaddq_s16(q10s16, q9s16);
+ q13s16 = vaddq_s16(q11s16, q8s16);
+ d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16));
+ d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16));
+ d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16));
+ d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16));
+ vst1_u64((uint64_t *)out, d24u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d25u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d26u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d27u64);
+ out += 12;
+ q8s16 = vsubq_s16(q11s16, q8s16);
+ q9s16 = vsubq_s16(q10s16, q9s16);
+
+ d4u64 = vreinterpret_u64_s16(vget_low_s16(q2s16));
+ d5u64 = vreinterpret_u64_s16(vget_high_s16(q2s16));
+ d6u64 = vreinterpret_u64_s16(vget_low_s16(q3s16));
+ d7u64 = vreinterpret_u64_s16(vget_high_s16(q3s16));
+ d8u64 = vreinterpret_u64_s16(vget_low_s16(q4s16));
+ d9u64 = vreinterpret_u64_s16(vget_high_s16(q4s16));
+ d10u64 = vreinterpret_u64_s16(vget_low_s16(q5s16));
+ d11u64 = vreinterpret_u64_s16(vget_high_s16(q5s16));
+ d16u64 = vreinterpret_u64_s16(vget_low_s16(q8s16));
+ d17u64 = vreinterpret_u64_s16(vget_high_s16(q8s16));
+ d18u64 = vreinterpret_u64_s16(vget_low_s16(q9s16));
+ d19u64 = vreinterpret_u64_s16(vget_high_s16(q9s16));
+ d28u64 = vreinterpret_u64_s16(vget_low_s16(q14s16));
+ d29u64 = vreinterpret_u64_s16(vget_high_s16(q14s16));
+ d30u64 = vreinterpret_u64_s16(vget_low_s16(q15s16));
+ d31u64 = vreinterpret_u64_s16(vget_high_s16(q15s16));
+
+ vst1_u64((uint64_t *)out, d16u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d17u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d18u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d19u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d4u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d5u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d6u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d7u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d8u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d9u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d10u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d11u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d28u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d29u64);
+ out += 12;
+ vst1_u64((uint64_t *)out, d30u64);
+ out += 4;
+ vst1_u64((uint64_t *)out, d31u64);
+ return;
+}
projects / libvpx / commitdiff