ref: c5b127afea85176e4b43c525eac238924e4d2116
parent: 9fca79c008d3c54f6d15c640f623eae415a90347
author: Johann <johann.koenig@duck.com>
date: Thu Apr 25 07:13:02 EDT 2013
Rename vp9_idct_x86.c Remove similarly named header file. It is obsolete. Move file to match naming style. Adjust make file to include the file correctly and remove extra unnecessary #if guard. Change-Id: Ifba07ba9938a5df08a9f4eda54a3ac4d6983f7bf
--- /dev/null
+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c
@@ -1,0 +1,1973 @@
+/*
+ * Copyright (c) 2012 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 <assert.h>
+#include <emmintrin.h> // SSE2
+#include "./vpx_config.h"
+#include "vpx/vpx_integer.h"
+#include "vp9/common/vp9_common.h"
+#include "vp9/common/vp9_idct.h"
+
+// In order to improve performance, clip absolute diff values to [0, 255],
+// which allows to keep the additions/subtractions in 8 bits.
+void vp9_dc_only_idct_add_sse2(int input_dc, uint8_t *pred_ptr,
+ uint8_t *dst_ptr, int pitch, int stride) {+ int a1;
+ int16_t out;
+ uint8_t abs_diff;
+ __m128i p0, p1, p2, p3;
+ unsigned int extended_diff;
+ __m128i diff;
+
+ out = dct_const_round_shift(input_dc * cospi_16_64);
+ out = dct_const_round_shift(out * cospi_16_64);
+ a1 = ROUND_POWER_OF_TWO(out, 4);
+
+ // Read prediction data.
+ p0 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 0 * pitch));
+ p1 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 1 * pitch));
+ p2 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 2 * pitch));
+ p3 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 3 * pitch));
+
+ // Unpack prediction data, and store 4x4 array in 1 XMM register.
+ p0 = _mm_unpacklo_epi32(p0, p1);
+ p2 = _mm_unpacklo_epi32(p2, p3);
+ p0 = _mm_unpacklo_epi64(p0, p2);
+
+ // Clip dc value to [0, 255] range. Then, do addition or subtraction
+ // according to its sign.
+ if (a1 >= 0) {+ abs_diff = (a1 > 255) ? 255 : a1;
+ extended_diff = abs_diff * 0x01010101u;
+ diff = _mm_shuffle_epi32(_mm_cvtsi32_si128((int)extended_diff), 0);
+
+ p1 = _mm_adds_epu8(p0, diff);
+ } else {+ abs_diff = (a1 < -255) ? 255 : -a1;
+ extended_diff = abs_diff * 0x01010101u;
+ diff = _mm_shuffle_epi32(_mm_cvtsi32_si128((int)extended_diff), 0);
+
+ p1 = _mm_subs_epu8(p0, diff);
+ }
+
+ // Store results to dst.
+ *(int *)dst_ptr = _mm_cvtsi128_si32(p1);
+ dst_ptr += stride;
+
+ p1 = _mm_srli_si128(p1, 4);
+ *(int *)dst_ptr = _mm_cvtsi128_si32(p1);
+ dst_ptr += stride;
+
+ p1 = _mm_srli_si128(p1, 4);
+ *(int *)dst_ptr = _mm_cvtsi128_si32(p1);
+ dst_ptr += stride;
+
+ p1 = _mm_srli_si128(p1, 4);
+ *(int *)dst_ptr = _mm_cvtsi128_si32(p1);
+}
+
+void vp9_short_idct4x4_sse2(int16_t *input, int16_t *output, int pitch) {+ const __m128i zero = _mm_setzero_si128();
+ const __m128i eight = _mm_set1_epi16(8);
+ const __m128i cst = _mm_setr_epi16((int16_t)cospi_16_64, (int16_t)cospi_16_64,
+ (int16_t)cospi_16_64, (int16_t)-cospi_16_64,
+ (int16_t)cospi_24_64, (int16_t)-cospi_8_64,
+ (int16_t)cospi_8_64, (int16_t)cospi_24_64);
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const int half_pitch = pitch >> 1;
+ __m128i input0, input1, input2, input3;
+
+ // Rows
+ input0 = _mm_loadl_epi64((__m128i *)input);
+ input1 = _mm_loadl_epi64((__m128i *)(input + 4));
+ input2 = _mm_loadl_epi64((__m128i *)(input + 8));
+ input3 = _mm_loadl_epi64((__m128i *)(input + 12));
+
+ // Construct i3, i1, i3, i1, i2, i0, i2, i0
+ input0 = _mm_shufflelo_epi16(input0, 0xd8);
+ input1 = _mm_shufflelo_epi16(input1, 0xd8);
+ input2 = _mm_shufflelo_epi16(input2, 0xd8);
+ input3 = _mm_shufflelo_epi16(input3, 0xd8);
+
+ input0 = _mm_unpacklo_epi32(input0, input0);
+ input1 = _mm_unpacklo_epi32(input1, input1);
+ input2 = _mm_unpacklo_epi32(input2, input2);
+ input3 = _mm_unpacklo_epi32(input3, input3);
+
+ // Stage 1
+ input0 = _mm_madd_epi16(input0, cst);
+ input1 = _mm_madd_epi16(input1, cst);
+ input2 = _mm_madd_epi16(input2, cst);
+ input3 = _mm_madd_epi16(input3, cst);
+
+ input0 = _mm_add_epi32(input0, rounding);
+ input1 = _mm_add_epi32(input1, rounding);
+ input2 = _mm_add_epi32(input2, rounding);
+ input3 = _mm_add_epi32(input3, rounding);
+
+ input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
+ input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
+ input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
+ input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
+
+ // Stage 2
+ input0 = _mm_packs_epi32(input0, zero);
+ input1 = _mm_packs_epi32(input1, zero);
+ input2 = _mm_packs_epi32(input2, zero);
+ input3 = _mm_packs_epi32(input3, zero);
+
+ // Transpose
+ input1 = _mm_unpacklo_epi16(input0, input1);
+ input3 = _mm_unpacklo_epi16(input2, input3);
+ input0 = _mm_unpacklo_epi32(input1, input3);
+ input1 = _mm_unpackhi_epi32(input1, input3);
+
+ // Switch column2, column 3, and then, we got:
+ // input2: column1, column 0; input3: column2, column 3.
+ input1 = _mm_shuffle_epi32(input1, 0x4e);
+ input2 = _mm_add_epi16(input0, input1);
+ input3 = _mm_sub_epi16(input0, input1);
+
+ // Columns
+ // Construct i3, i1, i3, i1, i2, i0, i2, i0
+ input0 = _mm_shufflelo_epi16(input2, 0xd8);
+ input1 = _mm_shufflehi_epi16(input2, 0xd8);
+ input2 = _mm_shufflehi_epi16(input3, 0xd8);
+ input3 = _mm_shufflelo_epi16(input3, 0xd8);
+
+ input0 = _mm_unpacklo_epi32(input0, input0);
+ input1 = _mm_unpackhi_epi32(input1, input1);
+ input2 = _mm_unpackhi_epi32(input2, input2);
+ input3 = _mm_unpacklo_epi32(input3, input3);
+
+ // Stage 1
+ input0 = _mm_madd_epi16(input0, cst);
+ input1 = _mm_madd_epi16(input1, cst);
+ input2 = _mm_madd_epi16(input2, cst);
+ input3 = _mm_madd_epi16(input3, cst);
+
+ input0 = _mm_add_epi32(input0, rounding);
+ input1 = _mm_add_epi32(input1, rounding);
+ input2 = _mm_add_epi32(input2, rounding);
+ input3 = _mm_add_epi32(input3, rounding);
+
+ input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
+ input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
+ input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
+ input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
+
+ // Stage 2
+ input0 = _mm_packs_epi32(input0, zero);
+ input1 = _mm_packs_epi32(input1, zero);
+ input2 = _mm_packs_epi32(input2, zero);
+ input3 = _mm_packs_epi32(input3, zero);
+
+ // Transpose
+ input1 = _mm_unpacklo_epi16(input0, input1);
+ input3 = _mm_unpacklo_epi16(input2, input3);
+ input0 = _mm_unpacklo_epi32(input1, input3);
+ input1 = _mm_unpackhi_epi32(input1, input3);
+
+ // Switch column2, column 3, and then, we got:
+ // input2: column1, column 0; input3: column2, column 3.
+ input1 = _mm_shuffle_epi32(input1, 0x4e);
+ input2 = _mm_add_epi16(input0, input1);
+ input3 = _mm_sub_epi16(input0, input1);
+
+ // Final round and shift
+ input2 = _mm_add_epi16(input2, eight);
+ input3 = _mm_add_epi16(input3, eight);
+
+ input2 = _mm_srai_epi16(input2, 4);
+ input3 = _mm_srai_epi16(input3, 4);
+
+ // Store results
+ _mm_storel_epi64((__m128i *)output, input2);
+ input2 = _mm_srli_si128(input2, 8);
+ _mm_storel_epi64((__m128i *)(output + half_pitch), input2);
+
+ _mm_storel_epi64((__m128i *)(output + 3 * half_pitch), input3);
+ input3 = _mm_srli_si128(input3, 8);
+ _mm_storel_epi64((__m128i *)(output + 2 * half_pitch), input3);
+}
+
+void vp9_idct4_1d_sse2(int16_t *input, int16_t *output) {+ const __m128i zero = _mm_setzero_si128();
+ const __m128i c1 = _mm_setr_epi16((int16_t)cospi_16_64, (int16_t)cospi_16_64,
+ (int16_t)cospi_16_64, (int16_t)-cospi_16_64,
+ (int16_t)cospi_24_64, (int16_t)-cospi_8_64,
+ (int16_t)cospi_8_64, (int16_t)cospi_24_64);
+ const __m128i c2 = _mm_setr_epi16(1, 1, 1, 1, 1, -1, 1, -1);
+
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i in, temp;
+
+ // Load input data.
+ in = _mm_loadl_epi64((__m128i *)input);
+
+ // Construct i3, i1, i3, i1, i2, i0, i2, i0
+ in = _mm_shufflelo_epi16(in, 0xd8);
+ in = _mm_unpacklo_epi32(in, in);
+
+ // Stage 1
+ in = _mm_madd_epi16(in, c1);
+ in = _mm_add_epi32(in, rounding);
+ in = _mm_srai_epi32(in, DCT_CONST_BITS);
+ in = _mm_packs_epi32(in, zero);
+
+ // Stage 2
+ temp = _mm_shufflelo_epi16(in, 0x9c);
+ in = _mm_shufflelo_epi16(in, 0xc9);
+ in = _mm_unpacklo_epi64(temp, in);
+ in = _mm_madd_epi16(in, c2);
+ in = _mm_packs_epi32(in, zero);
+
+ // Store results
+ _mm_storel_epi64((__m128i *)output, in);
+}
+
+#define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, \
+ out0, out1, out2, out3, out4, out5, out6, out7) \
+ { \+ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
+ const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
+ const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
+ const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
+ const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
+ const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); \
+ const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); \
+ \
+ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
+ const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); \
+ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
+ const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); \
+ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
+ const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); \
+ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
+ const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); \
+ \
+ out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
+ out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
+ out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
+ out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
+ out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \
+ out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \
+ out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \
+ out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
+ }
+
+#define TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, \
+ out0, out1, out2, out3, out4, out5, out6, out7) \
+ { \+ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
+ const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
+ const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
+ \
+ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
+ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
+ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
+ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
+ \
+ out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
+ out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
+ out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
+ out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
+ out4 = out5 = out6 = out7 = zero; \
+ }
+
+#define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1, out2, out3) \
+ { \+ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
+ const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
+ const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
+ \
+ in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \
+ in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \
+ in2 = _mm_unpacklo_epi32(tr0_2, tr0_3); /* i5 i4 */ \
+ in3 = _mm_unpackhi_epi32(tr0_2, tr0_3); /* i7 i6 */ \
+ }
+
+// Define Macro for multiplying elements by constants and adding them together.
+#define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, \
+ cst0, cst1, cst2, cst3, res0, res1, res2, res3) \
+ { \+ tmp0 = _mm_madd_epi16(lo_0, cst0); \
+ tmp1 = _mm_madd_epi16(hi_0, cst0); \
+ tmp2 = _mm_madd_epi16(lo_0, cst1); \
+ tmp3 = _mm_madd_epi16(hi_0, cst1); \
+ tmp4 = _mm_madd_epi16(lo_1, cst2); \
+ tmp5 = _mm_madd_epi16(hi_1, cst2); \
+ tmp6 = _mm_madd_epi16(lo_1, cst3); \
+ tmp7 = _mm_madd_epi16(hi_1, cst3); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ tmp4 = _mm_add_epi32(tmp4, rounding); \
+ tmp5 = _mm_add_epi32(tmp5, rounding); \
+ tmp6 = _mm_add_epi32(tmp6, rounding); \
+ tmp7 = _mm_add_epi32(tmp7, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); \
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); \
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); \
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); \
+ \
+ res0 = _mm_packs_epi32(tmp0, tmp1); \
+ res1 = _mm_packs_epi32(tmp2, tmp3); \
+ res2 = _mm_packs_epi32(tmp4, tmp5); \
+ res3 = _mm_packs_epi32(tmp6, tmp7); \
+ }
+
+#define IDCT8x8_1D \
+ /* Stage1 */ \
+ { \+ const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
+ const __m128i hi_17 = _mm_unpackhi_epi16(in1, in7); \
+ const __m128i lo_35 = _mm_unpacklo_epi16(in3, in5); \
+ const __m128i hi_35 = _mm_unpackhi_epi16(in3, in5); \
+ \
+ MULTIPLICATION_AND_ADD(lo_17, hi_17, lo_35, hi_35, stg1_0, \
+ stg1_1, stg1_2, stg1_3, stp1_4, \
+ stp1_7, stp1_5, stp1_6) \
+ } \
+ \
+ /* Stage2 */ \
+ { \+ const __m128i lo_04 = _mm_unpacklo_epi16(in0, in4); \
+ const __m128i hi_04 = _mm_unpackhi_epi16(in0, in4); \
+ const __m128i lo_26 = _mm_unpacklo_epi16(in2, in6); \
+ const __m128i hi_26 = _mm_unpackhi_epi16(in2, in6); \
+ \
+ MULTIPLICATION_AND_ADD(lo_04, hi_04, lo_26, hi_26, stg2_0, \
+ stg2_1, stg2_2, stg2_3, stp2_0, \
+ stp2_1, stp2_2, stp2_3) \
+ \
+ stp2_4 = _mm_adds_epi16(stp1_4, stp1_5); \
+ stp2_5 = _mm_subs_epi16(stp1_4, stp1_5); \
+ stp2_6 = _mm_subs_epi16(stp1_7, stp1_6); \
+ stp2_7 = _mm_adds_epi16(stp1_7, stp1_6); \
+ } \
+ \
+ /* Stage3 */ \
+ { \+ const __m128i lo_56 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_56 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ \
+ stp1_0 = _mm_adds_epi16(stp2_0, stp2_3); \
+ stp1_1 = _mm_adds_epi16(stp2_1, stp2_2); \
+ stp1_2 = _mm_subs_epi16(stp2_1, stp2_2); \
+ stp1_3 = _mm_subs_epi16(stp2_0, stp2_3); \
+ \
+ tmp0 = _mm_madd_epi16(lo_56, stg2_1); \
+ tmp1 = _mm_madd_epi16(hi_56, stg2_1); \
+ tmp2 = _mm_madd_epi16(lo_56, stg2_0); \
+ tmp3 = _mm_madd_epi16(hi_56, stg2_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ } \
+ \
+ /* Stage4 */ \
+ in0 = _mm_adds_epi16(stp1_0, stp2_7); \
+ in1 = _mm_adds_epi16(stp1_1, stp1_6); \
+ in2 = _mm_adds_epi16(stp1_2, stp1_5); \
+ in3 = _mm_adds_epi16(stp1_3, stp2_4); \
+ in4 = _mm_subs_epi16(stp1_3, stp2_4); \
+ in5 = _mm_subs_epi16(stp1_2, stp1_5); \
+ in6 = _mm_subs_epi16(stp1_1, stp1_6); \
+ in7 = _mm_subs_epi16(stp1_0, stp2_7);
+
+void vp9_short_idct8x8_sse2(int16_t *input, int16_t *output, int pitch) {+ const int half_pitch = pitch >> 1;
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1<<4);
+ const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7;
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i;
+
+ // Load input data.
+ in0 = _mm_load_si128((__m128i *)input);
+ in1 = _mm_load_si128((__m128i *)(input + 8 * 1));
+ in2 = _mm_load_si128((__m128i *)(input + 8 * 2));
+ in3 = _mm_load_si128((__m128i *)(input + 8 * 3));
+ in4 = _mm_load_si128((__m128i *)(input + 8 * 4));
+ in5 = _mm_load_si128((__m128i *)(input + 8 * 5));
+ in6 = _mm_load_si128((__m128i *)(input + 8 * 6));
+ in7 = _mm_load_si128((__m128i *)(input + 8 * 7));
+
+ // 2-D
+ for (i = 0; i < 2; i++) {+ // 8x8 Transpose is copied from vp9_short_fdct8x8_sse2()
+ TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+ in4, in5, in6, in7);
+
+ // 4-stage 1D idct8x8
+ IDCT8x8_1D
+ }
+
+ // Final rounding and shift
+ in0 = _mm_adds_epi16(in0, final_rounding);
+ in1 = _mm_adds_epi16(in1, final_rounding);
+ in2 = _mm_adds_epi16(in2, final_rounding);
+ in3 = _mm_adds_epi16(in3, final_rounding);
+ in4 = _mm_adds_epi16(in4, final_rounding);
+ in5 = _mm_adds_epi16(in5, final_rounding);
+ in6 = _mm_adds_epi16(in6, final_rounding);
+ in7 = _mm_adds_epi16(in7, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 5);
+ in1 = _mm_srai_epi16(in1, 5);
+ in2 = _mm_srai_epi16(in2, 5);
+ in3 = _mm_srai_epi16(in3, 5);
+ in4 = _mm_srai_epi16(in4, 5);
+ in5 = _mm_srai_epi16(in5, 5);
+ in6 = _mm_srai_epi16(in6, 5);
+ in7 = _mm_srai_epi16(in7, 5);
+
+ // Store results
+ _mm_store_si128((__m128i *)output, in0);
+ _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
+ _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
+ _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
+ _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
+ _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
+ _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
+ _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
+}
+
+void vp9_short_idct10_8x8_sse2(int16_t *input, int16_t *output, int pitch) {+ const int half_pitch = pitch >> 1;
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1<<4);
+ const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg3_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7;
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+
+ // Rows. Load 4-row input data.
+ in0 = _mm_load_si128((__m128i *)input);
+ in1 = _mm_load_si128((__m128i *)(input + 8 * 1));
+ in2 = _mm_load_si128((__m128i *)(input + 8 * 2));
+ in3 = _mm_load_si128((__m128i *)(input + 8 * 3));
+
+ // 8x4 Transpose
+ TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3)
+
+ // Stage1
+ {+ const __m128i lo_17 = _mm_unpackhi_epi16(in0, in3);
+ const __m128i lo_35 = _mm_unpackhi_epi16(in1, in2);
+
+ tmp0 = _mm_madd_epi16(lo_17, stg1_0);
+ tmp2 = _mm_madd_epi16(lo_17, stg1_1);
+ tmp4 = _mm_madd_epi16(lo_35, stg1_2);
+ tmp6 = _mm_madd_epi16(lo_35, stg1_3);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+
+ stp1_4 = _mm_packs_epi32(tmp0, zero);
+ stp1_7 = _mm_packs_epi32(tmp2, zero);
+ stp1_5 = _mm_packs_epi32(tmp4, zero);
+ stp1_6 = _mm_packs_epi32(tmp6, zero);
+ }
+
+ // Stage2
+ {+ const __m128i lo_04 = _mm_unpacklo_epi16(in0, in2);
+ const __m128i lo_26 = _mm_unpacklo_epi16(in1, in3);
+
+ tmp0 = _mm_madd_epi16(lo_04, stg2_0);
+ tmp2 = _mm_madd_epi16(lo_04, stg2_1);
+ tmp4 = _mm_madd_epi16(lo_26, stg2_2);
+ tmp6 = _mm_madd_epi16(lo_26, stg2_3);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+
+ stp2_0 = _mm_packs_epi32(tmp0, zero);
+ stp2_1 = _mm_packs_epi32(tmp2, zero);
+ stp2_2 = _mm_packs_epi32(tmp4, zero);
+ stp2_3 = _mm_packs_epi32(tmp6, zero);
+
+ stp2_4 = _mm_adds_epi16(stp1_4, stp1_5);
+ stp2_5 = _mm_subs_epi16(stp1_4, stp1_5);
+ stp2_6 = _mm_subs_epi16(stp1_7, stp1_6);
+ stp2_7 = _mm_adds_epi16(stp1_7, stp1_6);
+ }
+
+ // Stage3
+ {+ const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6);
+ stp1_0 = _mm_adds_epi16(stp2_0, stp2_3);
+ stp1_1 = _mm_adds_epi16(stp2_1, stp2_2);
+ stp1_2 = _mm_subs_epi16(stp2_1, stp2_2);
+ stp1_3 = _mm_subs_epi16(stp2_0, stp2_3);
+
+ tmp0 = _mm_madd_epi16(lo_56, stg3_0);
+ tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+
+ stp1_5 = _mm_packs_epi32(tmp0, zero);
+ stp1_6 = _mm_packs_epi32(tmp2, zero);
+ }
+
+ // Stage4
+ in0 = _mm_adds_epi16(stp1_0, stp2_7);
+ in1 = _mm_adds_epi16(stp1_1, stp1_6);
+ in2 = _mm_adds_epi16(stp1_2, stp1_5);
+ in3 = _mm_adds_epi16(stp1_3, stp2_4);
+ in4 = _mm_subs_epi16(stp1_3, stp2_4);
+ in5 = _mm_subs_epi16(stp1_2, stp1_5);
+ in6 = _mm_subs_epi16(stp1_1, stp1_6);
+ in7 = _mm_subs_epi16(stp1_0, stp2_7);
+
+ // Columns. 4x8 Transpose
+ TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+ in4, in5, in6, in7)
+
+ // 1D idct8x8
+ IDCT8x8_1D
+
+ // Final rounding and shift
+ in0 = _mm_adds_epi16(in0, final_rounding);
+ in1 = _mm_adds_epi16(in1, final_rounding);
+ in2 = _mm_adds_epi16(in2, final_rounding);
+ in3 = _mm_adds_epi16(in3, final_rounding);
+ in4 = _mm_adds_epi16(in4, final_rounding);
+ in5 = _mm_adds_epi16(in5, final_rounding);
+ in6 = _mm_adds_epi16(in6, final_rounding);
+ in7 = _mm_adds_epi16(in7, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 5);
+ in1 = _mm_srai_epi16(in1, 5);
+ in2 = _mm_srai_epi16(in2, 5);
+ in3 = _mm_srai_epi16(in3, 5);
+ in4 = _mm_srai_epi16(in4, 5);
+ in5 = _mm_srai_epi16(in5, 5);
+ in6 = _mm_srai_epi16(in6, 5);
+ in7 = _mm_srai_epi16(in7, 5);
+
+ // Store results
+ _mm_store_si128((__m128i *)output, in0);
+ _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
+ _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
+ _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
+ _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
+ _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
+ _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
+ _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
+}
+
+#define IDCT16x16_1D \
+ /* Stage2 */ \
+ { \+ const __m128i lo_1_15 = _mm_unpacklo_epi16(in1, in15); \
+ const __m128i hi_1_15 = _mm_unpackhi_epi16(in1, in15); \
+ const __m128i lo_9_7 = _mm_unpacklo_epi16(in9, in7); \
+ const __m128i hi_9_7 = _mm_unpackhi_epi16(in9, in7); \
+ const __m128i lo_5_11 = _mm_unpacklo_epi16(in5, in11); \
+ const __m128i hi_5_11 = _mm_unpackhi_epi16(in5, in11); \
+ const __m128i lo_13_3 = _mm_unpacklo_epi16(in13, in3); \
+ const __m128i hi_13_3 = _mm_unpackhi_epi16(in13, in3); \
+ \
+ MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_9_7, hi_9_7, \
+ stg2_0, stg2_1, stg2_2, stg2_3, \
+ stp2_8, stp2_15, stp2_9, stp2_14) \
+ \
+ MULTIPLICATION_AND_ADD(lo_5_11, hi_5_11, lo_13_3, hi_13_3, \
+ stg2_4, stg2_5, stg2_6, stg2_7, \
+ stp2_10, stp2_13, stp2_11, stp2_12) \
+ } \
+ \
+ /* Stage3 */ \
+ { \+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in2, in14); \
+ const __m128i hi_2_14 = _mm_unpackhi_epi16(in2, in14); \
+ const __m128i lo_10_6 = _mm_unpacklo_epi16(in10, in6); \
+ const __m128i hi_10_6 = _mm_unpackhi_epi16(in10, in6); \
+ \
+ MULTIPLICATION_AND_ADD(lo_2_14, hi_2_14, lo_10_6, hi_10_6, \
+ stg3_0, stg3_1, stg3_2, stg3_3, \
+ stp1_4, stp1_7, stp1_5, stp1_6) \
+ \
+ stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9); \
+ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
+ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
+ stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
+ \
+ stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13); \
+ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
+ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
+ } \
+ \
+ /* Stage4 */ \
+ { \+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8); \
+ const __m128i hi_0_8 = _mm_unpackhi_epi16(in0, in8); \
+ const __m128i lo_4_12 = _mm_unpacklo_epi16(in4, in12); \
+ const __m128i hi_4_12 = _mm_unpackhi_epi16(in4, in12); \
+ \
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
+ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ \
+ MULTIPLICATION_AND_ADD(lo_0_8, hi_0_8, lo_4_12, hi_4_12, \
+ stg4_0, stg4_1, stg4_2, stg4_3, \
+ stp2_0, stp2_1, stp2_2, stp2_3) \
+ \
+ stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
+ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
+ stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
+ \
+ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
+ stg4_4, stg4_5, stg4_6, stg4_7, \
+ stp2_9, stp2_14, stp2_10, stp2_13) \
+ } \
+ \
+ /* Stage5 */ \
+ { \+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ \
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
+ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
+ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
+ \
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ \
+ stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
+ \
+ stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
+ stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
+ } \
+ \
+ /* Stage6 */ \
+ { \+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
+ \
+ stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
+ stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
+ stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
+ stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
+ \
+ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
+ stg6_0, stg4_0, stg6_0, stg4_0, \
+ stp2_10, stp2_13, stp2_11, stp2_12) \
+ }
+
+void vp9_short_idct16x16_sse2(int16_t *input, int16_t *output, int pitch) {+ const int half_pitch = pitch >> 1;
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1<<5);
+ const __m128i zero = _mm_setzero_si128();
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+ const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
+ in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
+ in10 = zero, in11 = zero, in12 = zero, in13 = zero,
+ in14 = zero, in15 = zero;
+ __m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
+ l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
+ l12 = zero, l13 = zero, l14 = zero, l15 = zero;
+ __m128i r0 = zero, r1 = zero, r2 = zero, r3 = zero, r4 = zero, r5 = zero,
+ r6 = zero, r7 = zero, r8 = zero, r9 = zero, r10 = zero, r11 = zero,
+ r12 = zero, r13 = zero, r14 = zero, r15 = zero;
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_8_0, stp1_12_0;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i;
+
+ // We work on a 8x16 block each time, and loop 4 times for 2-D 16x16 idct.
+ for (i = 0; i < 4; i++) {+ // 1-D idct
+ if (i < 2) {+ if (i == 1) input += 128;
+
+ // Load input data.
+ in0 = _mm_load_si128((__m128i *)input);
+ in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
+ in1 = _mm_load_si128((__m128i *)(input + 8 * 2));
+ in9 = _mm_load_si128((__m128i *)(input + 8 * 3));
+ in2 = _mm_load_si128((__m128i *)(input + 8 * 4));
+ in10 = _mm_load_si128((__m128i *)(input + 8 * 5));
+ in3 = _mm_load_si128((__m128i *)(input + 8 * 6));
+ in11 = _mm_load_si128((__m128i *)(input + 8 * 7));
+ in4 = _mm_load_si128((__m128i *)(input + 8 * 8));
+ in12 = _mm_load_si128((__m128i *)(input + 8 * 9));
+ in5 = _mm_load_si128((__m128i *)(input + 8 * 10));
+ in13 = _mm_load_si128((__m128i *)(input + 8 * 11));
+ in6 = _mm_load_si128((__m128i *)(input + 8 * 12));
+ in14 = _mm_load_si128((__m128i *)(input + 8 * 13));
+ in7 = _mm_load_si128((__m128i *)(input + 8 * 14));
+ in15 = _mm_load_si128((__m128i *)(input + 8 * 15));
+
+ TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+ in4, in5, in6, in7);
+ TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
+ in10, in11, in12, in13, in14, in15);
+ }
+
+ if (i == 2) {+ TRANSPOSE_8X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
+ in5, in6, in7);
+ TRANSPOSE_8X8(r0, r1, r2, r3, r4, r5, r6, r7, in8, in9, in10, in11, in12,
+ in13, in14, in15);
+ }
+
+ if (i == 3) {+ TRANSPOSE_8X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
+ in4, in5, in6, in7);
+ TRANSPOSE_8X8(r8, r9, r10, r11, r12, r13, r14, r15, in8, in9, in10, in11,
+ in12, in13, in14, in15);
+ }
+
+ IDCT16x16_1D
+
+ // Stage7
+ if (i == 0) {+ // Left 8x16
+ l0 = _mm_add_epi16(stp2_0, stp1_15);
+ l1 = _mm_add_epi16(stp2_1, stp1_14);
+ l2 = _mm_add_epi16(stp2_2, stp2_13);
+ l3 = _mm_add_epi16(stp2_3, stp2_12);
+ l4 = _mm_add_epi16(stp2_4, stp2_11);
+ l5 = _mm_add_epi16(stp2_5, stp2_10);
+ l6 = _mm_add_epi16(stp2_6, stp1_9);
+ l7 = _mm_add_epi16(stp2_7, stp1_8);
+ l8 = _mm_sub_epi16(stp2_7, stp1_8);
+ l9 = _mm_sub_epi16(stp2_6, stp1_9);
+ l10 = _mm_sub_epi16(stp2_5, stp2_10);
+ l11 = _mm_sub_epi16(stp2_4, stp2_11);
+ l12 = _mm_sub_epi16(stp2_3, stp2_12);
+ l13 = _mm_sub_epi16(stp2_2, stp2_13);
+ l14 = _mm_sub_epi16(stp2_1, stp1_14);
+ l15 = _mm_sub_epi16(stp2_0, stp1_15);
+ } else if (i == 1) {+ // Right 8x16
+ r0 = _mm_add_epi16(stp2_0, stp1_15);
+ r1 = _mm_add_epi16(stp2_1, stp1_14);
+ r2 = _mm_add_epi16(stp2_2, stp2_13);
+ r3 = _mm_add_epi16(stp2_3, stp2_12);
+ r4 = _mm_add_epi16(stp2_4, stp2_11);
+ r5 = _mm_add_epi16(stp2_5, stp2_10);
+ r6 = _mm_add_epi16(stp2_6, stp1_9);
+ r7 = _mm_add_epi16(stp2_7, stp1_8);
+ r8 = _mm_sub_epi16(stp2_7, stp1_8);
+ r9 = _mm_sub_epi16(stp2_6, stp1_9);
+ r10 = _mm_sub_epi16(stp2_5, stp2_10);
+ r11 = _mm_sub_epi16(stp2_4, stp2_11);
+ r12 = _mm_sub_epi16(stp2_3, stp2_12);
+ r13 = _mm_sub_epi16(stp2_2, stp2_13);
+ r14 = _mm_sub_epi16(stp2_1, stp1_14);
+ r15 = _mm_sub_epi16(stp2_0, stp1_15);
+ } else {+ // 2-D
+ in0 = _mm_add_epi16(stp2_0, stp1_15);
+ in1 = _mm_add_epi16(stp2_1, stp1_14);
+ in2 = _mm_add_epi16(stp2_2, stp2_13);
+ in3 = _mm_add_epi16(stp2_3, stp2_12);
+ in4 = _mm_add_epi16(stp2_4, stp2_11);
+ in5 = _mm_add_epi16(stp2_5, stp2_10);
+ in6 = _mm_add_epi16(stp2_6, stp1_9);
+ in7 = _mm_add_epi16(stp2_7, stp1_8);
+ in8 = _mm_sub_epi16(stp2_7, stp1_8);
+ in9 = _mm_sub_epi16(stp2_6, stp1_9);
+ in10 = _mm_sub_epi16(stp2_5, stp2_10);
+ in11 = _mm_sub_epi16(stp2_4, stp2_11);
+ in12 = _mm_sub_epi16(stp2_3, stp2_12);
+ in13 = _mm_sub_epi16(stp2_2, stp2_13);
+ in14 = _mm_sub_epi16(stp2_1, stp1_14);
+ in15 = _mm_sub_epi16(stp2_0, stp1_15);
+
+ // Final rounding and shift
+ in0 = _mm_adds_epi16(in0, final_rounding);
+ in1 = _mm_adds_epi16(in1, final_rounding);
+ in2 = _mm_adds_epi16(in2, final_rounding);
+ in3 = _mm_adds_epi16(in3, final_rounding);
+ in4 = _mm_adds_epi16(in4, final_rounding);
+ in5 = _mm_adds_epi16(in5, final_rounding);
+ in6 = _mm_adds_epi16(in6, final_rounding);
+ in7 = _mm_adds_epi16(in7, final_rounding);
+ in8 = _mm_adds_epi16(in8, final_rounding);
+ in9 = _mm_adds_epi16(in9, final_rounding);
+ in10 = _mm_adds_epi16(in10, final_rounding);
+ in11 = _mm_adds_epi16(in11, final_rounding);
+ in12 = _mm_adds_epi16(in12, final_rounding);
+ in13 = _mm_adds_epi16(in13, final_rounding);
+ in14 = _mm_adds_epi16(in14, final_rounding);
+ in15 = _mm_adds_epi16(in15, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 6);
+ in1 = _mm_srai_epi16(in1, 6);
+ in2 = _mm_srai_epi16(in2, 6);
+ in3 = _mm_srai_epi16(in3, 6);
+ in4 = _mm_srai_epi16(in4, 6);
+ in5 = _mm_srai_epi16(in5, 6);
+ in6 = _mm_srai_epi16(in6, 6);
+ in7 = _mm_srai_epi16(in7, 6);
+ in8 = _mm_srai_epi16(in8, 6);
+ in9 = _mm_srai_epi16(in9, 6);
+ in10 = _mm_srai_epi16(in10, 6);
+ in11 = _mm_srai_epi16(in11, 6);
+ in12 = _mm_srai_epi16(in12, 6);
+ in13 = _mm_srai_epi16(in13, 6);
+ in14 = _mm_srai_epi16(in14, 6);
+ in15 = _mm_srai_epi16(in15, 6);
+
+ // Store results
+ _mm_store_si128((__m128i *)output, in0);
+ _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
+ _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
+ _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
+ _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
+ _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
+ _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
+ _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
+ _mm_store_si128((__m128i *)(output + half_pitch * 8), in8);
+ _mm_store_si128((__m128i *)(output + half_pitch * 9), in9);
+ _mm_store_si128((__m128i *)(output + half_pitch * 10), in10);
+ _mm_store_si128((__m128i *)(output + half_pitch * 11), in11);
+ _mm_store_si128((__m128i *)(output + half_pitch * 12), in12);
+ _mm_store_si128((__m128i *)(output + half_pitch * 13), in13);
+ _mm_store_si128((__m128i *)(output + half_pitch * 14), in14);
+ _mm_store_si128((__m128i *)(output + half_pitch * 15), in15);
+
+ output += 8;
+ }
+ }
+}
+
+void vp9_short_idct10_16x16_sse2(int16_t *input, int16_t *output, int pitch) {+ const int half_pitch = pitch >> 1;
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1<<5);
+ const __m128i zero = _mm_setzero_si128();
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+ const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
+ in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
+ in10 = zero, in11 = zero, in12 = zero, in13 = zero,
+ in14 = zero, in15 = zero;
+ __m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
+ l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
+ l12 = zero, l13 = zero, l14 = zero, l15 = zero;
+
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_8_0, stp1_12_0;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i;
+
+ // 1-D idct. Load input data.
+ in0 = _mm_load_si128((__m128i *)input);
+ in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
+ in1 = _mm_load_si128((__m128i *)(input + 8 * 2));
+ in9 = _mm_load_si128((__m128i *)(input + 8 * 3));
+ in2 = _mm_load_si128((__m128i *)(input + 8 * 4));
+ in10 = _mm_load_si128((__m128i *)(input + 8 * 5));
+ in3 = _mm_load_si128((__m128i *)(input + 8 * 6));
+ in11 = _mm_load_si128((__m128i *)(input + 8 * 7));
+
+ TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3);
+ TRANSPOSE_8X4(in8, in9, in10, in11, in8, in9, in10, in11);
+
+ // Stage2
+ {+ const __m128i lo_1_15 = _mm_unpackhi_epi16(in0, in11);
+ const __m128i lo_9_7 = _mm_unpackhi_epi16(in8, in3);
+ const __m128i lo_5_11 = _mm_unpackhi_epi16(in2, in9);
+ const __m128i lo_13_3 = _mm_unpackhi_epi16(in10, in1);
+
+ tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
+ tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
+ tmp4 = _mm_madd_epi16(lo_9_7, stg2_2);
+ tmp6 = _mm_madd_epi16(lo_9_7, stg2_3);
+ tmp1 = _mm_madd_epi16(lo_5_11, stg2_4);
+ tmp3 = _mm_madd_epi16(lo_5_11, stg2_5);
+ tmp5 = _mm_madd_epi16(lo_13_3, stg2_6);
+ tmp7 = _mm_madd_epi16(lo_13_3, stg2_7);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp2_8 = _mm_packs_epi32(tmp0, zero);
+ stp2_15 = _mm_packs_epi32(tmp2, zero);
+ stp2_9 = _mm_packs_epi32(tmp4, zero);
+ stp2_14 = _mm_packs_epi32(tmp6, zero);
+
+ stp2_10 = _mm_packs_epi32(tmp1, zero);
+ stp2_13 = _mm_packs_epi32(tmp3, zero);
+ stp2_11 = _mm_packs_epi32(tmp5, zero);
+ stp2_12 = _mm_packs_epi32(tmp7, zero);
+ }
+
+ // Stage3
+ {+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in1, in11);
+ const __m128i lo_10_6 = _mm_unpacklo_epi16(in9, in3);
+
+ tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
+ tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
+ tmp4 = _mm_madd_epi16(lo_10_6, stg3_2);
+ tmp6 = _mm_madd_epi16(lo_10_6, stg3_3);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+
+ stp1_4 = _mm_packs_epi32(tmp0, zero);
+ stp1_7 = _mm_packs_epi32(tmp2, zero);
+ stp1_5 = _mm_packs_epi32(tmp4, zero);
+ stp1_6 = _mm_packs_epi32(tmp6, zero);
+
+ stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9);
+ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9);
+ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10);
+ stp1_11 = _mm_add_epi16(stp2_11, stp2_10);
+
+ stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13);
+ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13);
+ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14);
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_14);
+ }
+
+ // Stage4
+ {+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8);
+ const __m128i lo_4_12 = _mm_unpacklo_epi16(in2, in10);
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
+
+ tmp0 = _mm_madd_epi16(lo_0_8, stg4_0);
+ tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
+ tmp4 = _mm_madd_epi16(lo_4_12, stg4_2);
+ tmp6 = _mm_madd_epi16(lo_4_12, stg4_3);
+ tmp1 = _mm_madd_epi16(lo_9_14, stg4_4);
+ tmp3 = _mm_madd_epi16(lo_9_14, stg4_5);
+ tmp5 = _mm_madd_epi16(lo_10_13, stg4_6);
+ tmp7 = _mm_madd_epi16(lo_10_13, stg4_7);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp2_0 = _mm_packs_epi32(tmp0, zero);
+ stp2_1 = _mm_packs_epi32(tmp2, zero);
+ stp2_2 = _mm_packs_epi32(tmp4, zero);
+ stp2_3 = _mm_packs_epi32(tmp6, zero);
+ stp2_9 = _mm_packs_epi32(tmp1, zero);
+ stp2_14 = _mm_packs_epi32(tmp3, zero);
+ stp2_10 = _mm_packs_epi32(tmp5, zero);
+ stp2_13 = _mm_packs_epi32(tmp7, zero);
+
+ stp2_4 = _mm_add_epi16(stp1_4, stp1_5);
+ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5);
+ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6);
+ stp2_7 = _mm_add_epi16(stp1_7, stp1_6);
+ }
+
+ // Stage5 and Stage6
+ {+ stp1_0 = _mm_add_epi16(stp2_0, stp2_3);
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_2);
+ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2);
+ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3);
+
+ stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11);
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10);
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10);
+ stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11);
+
+ stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0);
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13);
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13);
+ stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0);
+ }
+
+ // Stage6
+ {+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
+
+ tmp1 = _mm_madd_epi16(lo_6_5, stg4_1);
+ tmp3 = _mm_madd_epi16(lo_6_5, stg4_0);
+ tmp0 = _mm_madd_epi16(lo_10_13, stg6_0);
+ tmp2 = _mm_madd_epi16(lo_10_13, stg4_0);
+ tmp4 = _mm_madd_epi16(lo_11_12, stg6_0);
+ tmp6 = _mm_madd_epi16(lo_11_12, stg4_0);
+
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+
+ stp1_5 = _mm_packs_epi32(tmp1, zero);
+ stp1_6 = _mm_packs_epi32(tmp3, zero);
+ stp2_10 = _mm_packs_epi32(tmp0, zero);
+ stp2_13 = _mm_packs_epi32(tmp2, zero);
+ stp2_11 = _mm_packs_epi32(tmp4, zero);
+ stp2_12 = _mm_packs_epi32(tmp6, zero);
+
+ stp2_0 = _mm_add_epi16(stp1_0, stp2_7);
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6);
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
+ stp2_3 = _mm_add_epi16(stp1_3, stp2_4);
+ stp2_4 = _mm_sub_epi16(stp1_3, stp2_4);
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6);
+ stp2_7 = _mm_sub_epi16(stp1_0, stp2_7);
+ }
+
+ // Stage7. Left 8x16 only.
+ l0 = _mm_add_epi16(stp2_0, stp1_15);
+ l1 = _mm_add_epi16(stp2_1, stp1_14);
+ l2 = _mm_add_epi16(stp2_2, stp2_13);
+ l3 = _mm_add_epi16(stp2_3, stp2_12);
+ l4 = _mm_add_epi16(stp2_4, stp2_11);
+ l5 = _mm_add_epi16(stp2_5, stp2_10);
+ l6 = _mm_add_epi16(stp2_6, stp1_9);
+ l7 = _mm_add_epi16(stp2_7, stp1_8);
+ l8 = _mm_sub_epi16(stp2_7, stp1_8);
+ l9 = _mm_sub_epi16(stp2_6, stp1_9);
+ l10 = _mm_sub_epi16(stp2_5, stp2_10);
+ l11 = _mm_sub_epi16(stp2_4, stp2_11);
+ l12 = _mm_sub_epi16(stp2_3, stp2_12);
+ l13 = _mm_sub_epi16(stp2_2, stp2_13);
+ l14 = _mm_sub_epi16(stp2_1, stp1_14);
+ l15 = _mm_sub_epi16(stp2_0, stp1_15);
+
+ // 2-D idct. We do 2 8x16 blocks.
+ for (i = 0; i < 2; i++) {+ if (i == 0)
+ TRANSPOSE_4X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
+ in5, in6, in7);
+
+ if (i == 1)
+ TRANSPOSE_4X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
+ in4, in5, in6, in7);
+
+ in8 = in9 = in10 = in11 = in12 = in13 = in14 = in15 = zero;
+
+ IDCT16x16_1D
+
+ // Stage7
+ in0 = _mm_add_epi16(stp2_0, stp1_15);
+ in1 = _mm_add_epi16(stp2_1, stp1_14);
+ in2 = _mm_add_epi16(stp2_2, stp2_13);
+ in3 = _mm_add_epi16(stp2_3, stp2_12);
+ in4 = _mm_add_epi16(stp2_4, stp2_11);
+ in5 = _mm_add_epi16(stp2_5, stp2_10);
+ in6 = _mm_add_epi16(stp2_6, stp1_9);
+ in7 = _mm_add_epi16(stp2_7, stp1_8);
+ in8 = _mm_sub_epi16(stp2_7, stp1_8);
+ in9 = _mm_sub_epi16(stp2_6, stp1_9);
+ in10 = _mm_sub_epi16(stp2_5, stp2_10);
+ in11 = _mm_sub_epi16(stp2_4, stp2_11);
+ in12 = _mm_sub_epi16(stp2_3, stp2_12);
+ in13 = _mm_sub_epi16(stp2_2, stp2_13);
+ in14 = _mm_sub_epi16(stp2_1, stp1_14);
+ in15 = _mm_sub_epi16(stp2_0, stp1_15);
+
+ // Final rounding and shift
+ in0 = _mm_adds_epi16(in0, final_rounding);
+ in1 = _mm_adds_epi16(in1, final_rounding);
+ in2 = _mm_adds_epi16(in2, final_rounding);
+ in3 = _mm_adds_epi16(in3, final_rounding);
+ in4 = _mm_adds_epi16(in4, final_rounding);
+ in5 = _mm_adds_epi16(in5, final_rounding);
+ in6 = _mm_adds_epi16(in6, final_rounding);
+ in7 = _mm_adds_epi16(in7, final_rounding);
+ in8 = _mm_adds_epi16(in8, final_rounding);
+ in9 = _mm_adds_epi16(in9, final_rounding);
+ in10 = _mm_adds_epi16(in10, final_rounding);
+ in11 = _mm_adds_epi16(in11, final_rounding);
+ in12 = _mm_adds_epi16(in12, final_rounding);
+ in13 = _mm_adds_epi16(in13, final_rounding);
+ in14 = _mm_adds_epi16(in14, final_rounding);
+ in15 = _mm_adds_epi16(in15, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 6);
+ in1 = _mm_srai_epi16(in1, 6);
+ in2 = _mm_srai_epi16(in2, 6);
+ in3 = _mm_srai_epi16(in3, 6);
+ in4 = _mm_srai_epi16(in4, 6);
+ in5 = _mm_srai_epi16(in5, 6);
+ in6 = _mm_srai_epi16(in6, 6);
+ in7 = _mm_srai_epi16(in7, 6);
+ in8 = _mm_srai_epi16(in8, 6);
+ in9 = _mm_srai_epi16(in9, 6);
+ in10 = _mm_srai_epi16(in10, 6);
+ in11 = _mm_srai_epi16(in11, 6);
+ in12 = _mm_srai_epi16(in12, 6);
+ in13 = _mm_srai_epi16(in13, 6);
+ in14 = _mm_srai_epi16(in14, 6);
+ in15 = _mm_srai_epi16(in15, 6);
+
+ // Store results
+ _mm_store_si128((__m128i *)output, in0);
+ _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
+ _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
+ _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
+ _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
+ _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
+ _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
+ _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
+ _mm_store_si128((__m128i *)(output + half_pitch * 8), in8);
+ _mm_store_si128((__m128i *)(output + half_pitch * 9), in9);
+ _mm_store_si128((__m128i *)(output + half_pitch * 10), in10);
+ _mm_store_si128((__m128i *)(output + half_pitch * 11), in11);
+ _mm_store_si128((__m128i *)(output + half_pitch * 12), in12);
+ _mm_store_si128((__m128i *)(output + half_pitch * 13), in13);
+ _mm_store_si128((__m128i *)(output + half_pitch * 14), in14);
+ _mm_store_si128((__m128i *)(output + half_pitch * 15), in15);
+ output += 8;
+ }
+}
+
+void vp9_short_idct32x32_sse2(int16_t *input, int16_t *output, int pitch) {+ const int half_pitch = pitch >> 1;
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1<<5);
+
+ // idct constants for each stage
+ const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
+ const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
+ const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
+ const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
+ const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
+ const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
+ const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
+ const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
+ const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
+ const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
+ const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
+ const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
+ const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
+ const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
+ const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
+ const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
+ const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12,
+ in13, in14, in15, in16, in17, in18, in19, in20, in21, in22, in23,
+ in24, in25, in26, in27, in28, in29, in30, in31;
+ __m128i col[128];
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
+ stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
+ stp1_30, stp1_31;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
+ stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
+ stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
+ stp2_30, stp2_31;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i, j;
+
+ // We work on a 8x32 block each time, and loop 8 times for 2-D 32x32 idct.
+ for (i = 0; i < 8; i++) {+ if (i < 4) {+ // First 1-D idct
+ // Load input data.
+ in0 = _mm_load_si128((__m128i *)input);
+ in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
+ in16 = _mm_load_si128((__m128i *)(input + 8 * 2));
+ in24 = _mm_load_si128((__m128i *)(input + 8 * 3));
+ in1 = _mm_load_si128((__m128i *)(input + 8 * 4));
+ in9 = _mm_load_si128((__m128i *)(input + 8 * 5));
+ in17 = _mm_load_si128((__m128i *)(input + 8 * 6));
+ in25 = _mm_load_si128((__m128i *)(input + 8 * 7));
+ in2 = _mm_load_si128((__m128i *)(input + 8 * 8));
+ in10 = _mm_load_si128((__m128i *)(input + 8 * 9));
+ in18 = _mm_load_si128((__m128i *)(input + 8 * 10));
+ in26 = _mm_load_si128((__m128i *)(input + 8 * 11));
+ in3 = _mm_load_si128((__m128i *)(input + 8 * 12));
+ in11 = _mm_load_si128((__m128i *)(input + 8 * 13));
+ in19 = _mm_load_si128((__m128i *)(input + 8 * 14));
+ in27 = _mm_load_si128((__m128i *)(input + 8 * 15));
+
+ in4 = _mm_load_si128((__m128i *)(input + 8 * 16));
+ in12 = _mm_load_si128((__m128i *)(input + 8 * 17));
+ in20 = _mm_load_si128((__m128i *)(input + 8 * 18));
+ in28 = _mm_load_si128((__m128i *)(input + 8 * 19));
+ in5 = _mm_load_si128((__m128i *)(input + 8 * 20));
+ in13 = _mm_load_si128((__m128i *)(input + 8 * 21));
+ in21 = _mm_load_si128((__m128i *)(input + 8 * 22));
+ in29 = _mm_load_si128((__m128i *)(input + 8 * 23));
+ in6 = _mm_load_si128((__m128i *)(input + 8 * 24));
+ in14 = _mm_load_si128((__m128i *)(input + 8 * 25));
+ in22 = _mm_load_si128((__m128i *)(input + 8 * 26));
+ in30 = _mm_load_si128((__m128i *)(input + 8 * 27));
+ in7 = _mm_load_si128((__m128i *)(input + 8 * 28));
+ in15 = _mm_load_si128((__m128i *)(input + 8 * 29));
+ in23 = _mm_load_si128((__m128i *)(input + 8 * 30));
+ in31 = _mm_load_si128((__m128i *)(input + 8 * 31));
+
+ input += 256;
+
+ // Transpose 32x8 block to 8x32 block
+ TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+ in4, in5, in6, in7);
+ TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
+ in10, in11, in12, in13, in14, in15);
+ TRANSPOSE_8X8(in16, in17, in18, in19, in20, in21, in22, in23, in16, in17,
+ in18, in19, in20, in21, in22, in23);
+ TRANSPOSE_8X8(in24, in25, in26, in27, in28, in29, in30, in31, in24, in25,
+ in26, in27, in28, in29, in30, in31);
+ } else {+ // Second 1-D idct
+ j = i - 4;
+
+ // Transpose 32x8 block to 8x32 block
+ TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
+ col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
+ col[j * 8 + 6], col[j * 8 + 7], in0, in1, in2, in3, in4,
+ in5, in6, in7);
+ j += 4;
+ TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
+ col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
+ col[j * 8 + 6], col[j * 8 + 7], in8, in9, in10,
+ in11, in12, in13, in14, in15);
+ j += 4;
+ TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
+ col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
+ col[j * 8 + 6], col[j * 8 + 7], in16, in17, in18,
+ in19, in20, in21, in22, in23);
+ j += 4;
+ TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
+ col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
+ col[j * 8 + 6], col[j * 8 + 7], in24, in25, in26, in27,
+ in28, in29, in30, in31);
+ }
+
+ // Stage1
+ {+ const __m128i lo_1_31 = _mm_unpacklo_epi16(in1, in31);
+ const __m128i hi_1_31 = _mm_unpackhi_epi16(in1, in31);
+ const __m128i lo_17_15 = _mm_unpacklo_epi16(in17, in15);
+ const __m128i hi_17_15 = _mm_unpackhi_epi16(in17, in15);
+
+ const __m128i lo_9_23 = _mm_unpacklo_epi16(in9, in23);
+ const __m128i hi_9_23 = _mm_unpackhi_epi16(in9, in23);
+ const __m128i lo_25_7= _mm_unpacklo_epi16(in25, in7);
+ const __m128i hi_25_7 = _mm_unpackhi_epi16(in25, in7);
+
+ const __m128i lo_5_27 = _mm_unpacklo_epi16(in5, in27);
+ const __m128i hi_5_27 = _mm_unpackhi_epi16(in5, in27);
+ const __m128i lo_21_11 = _mm_unpacklo_epi16(in21, in11);
+ const __m128i hi_21_11 = _mm_unpackhi_epi16(in21, in11);
+
+ const __m128i lo_13_19 = _mm_unpacklo_epi16(in13, in19);
+ const __m128i hi_13_19 = _mm_unpackhi_epi16(in13, in19);
+ const __m128i lo_29_3 = _mm_unpacklo_epi16(in29, in3);
+ const __m128i hi_29_3 = _mm_unpackhi_epi16(in29, in3);
+
+ MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0,
+ stg1_1, stg1_2, stg1_3, stp1_16, stp1_31,
+ stp1_17, stp1_30)
+ MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4,
+ stg1_5, stg1_6, stg1_7, stp1_18, stp1_29,
+ stp1_19, stp1_28)
+ MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8,
+ stg1_9, stg1_10, stg1_11, stp1_20, stp1_27,
+ stp1_21, stp1_26)
+ MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12,
+ stg1_13, stg1_14, stg1_15, stp1_22, stp1_25,
+ stp1_23, stp1_24)
+ }
+
+ // Stage2
+ {+ const __m128i lo_2_30 = _mm_unpacklo_epi16(in2, in30);
+ const __m128i hi_2_30 = _mm_unpackhi_epi16(in2, in30);
+ const __m128i lo_18_14 = _mm_unpacklo_epi16(in18, in14);
+ const __m128i hi_18_14 = _mm_unpackhi_epi16(in18, in14);
+
+ const __m128i lo_10_22 = _mm_unpacklo_epi16(in10, in22);
+ const __m128i hi_10_22 = _mm_unpackhi_epi16(in10, in22);
+ const __m128i lo_26_6 = _mm_unpacklo_epi16(in26, in6);
+ const __m128i hi_26_6 = _mm_unpackhi_epi16(in26, in6);
+
+ MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0,
+ stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9,
+ stp2_14)
+ MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4,
+ stg2_5, stg2_6, stg2_7, stp2_10, stp2_13,
+ stp2_11, stp2_12)
+
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_17);
+ stp2_17 = _mm_sub_epi16(stp1_16, stp1_17);
+ stp2_18 = _mm_sub_epi16(stp1_19, stp1_18);
+ stp2_19 = _mm_add_epi16(stp1_19, stp1_18);
+
+ stp2_20 = _mm_add_epi16(stp1_20, stp1_21);
+ stp2_21 = _mm_sub_epi16(stp1_20, stp1_21);
+ stp2_22 = _mm_sub_epi16(stp1_23, stp1_22);
+ stp2_23 = _mm_add_epi16(stp1_23, stp1_22);
+
+ stp2_24 = _mm_add_epi16(stp1_24, stp1_25);
+ stp2_25 = _mm_sub_epi16(stp1_24, stp1_25);
+ stp2_26 = _mm_sub_epi16(stp1_27, stp1_26);
+ stp2_27 = _mm_add_epi16(stp1_27, stp1_26);
+
+ stp2_28 = _mm_add_epi16(stp1_28, stp1_29);
+ stp2_29 = _mm_sub_epi16(stp1_28, stp1_29);
+ stp2_30 = _mm_sub_epi16(stp1_31, stp1_30);
+ stp2_31 = _mm_add_epi16(stp1_31, stp1_30);
+ }
+
+ // Stage3
+ {+ const __m128i lo_4_28 = _mm_unpacklo_epi16(in4, in28);
+ const __m128i hi_4_28 = _mm_unpackhi_epi16(in4, in28);
+ const __m128i lo_20_12 = _mm_unpacklo_epi16(in20, in12);
+ const __m128i hi_20_12 = _mm_unpackhi_epi16(in20, in12);
+
+ const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30);
+ const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30);
+ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29);
+ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29);
+
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
+ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25);
+ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25);
+
+ MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0,
+ stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5,
+ stp1_6)
+
+ stp1_8 = _mm_add_epi16(stp2_8, stp2_9);
+ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9);
+ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10);
+ stp1_11 = _mm_add_epi16(stp2_11, stp2_10);
+ stp1_12 = _mm_add_epi16(stp2_12, stp2_13);
+ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13);
+ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14);
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_14);
+
+ MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4,
+ stg3_5, stg3_6, stg3_4, stp1_17, stp1_30,
+ stp1_18, stp1_29)
+ MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8,
+ stg3_9, stg3_10, stg3_8, stp1_21, stp1_26,
+ stp1_22, stp1_25)
+
+ stp1_16 = stp2_16;
+ stp1_31 = stp2_31;
+ stp1_19 = stp2_19;
+ stp1_20 = stp2_20;
+ stp1_23 = stp2_23;
+ stp1_24 = stp2_24;
+ stp1_27 = stp2_27;
+ stp1_28 = stp2_28;
+ }
+
+ // Stage4
+ {+ const __m128i lo_0_16 = _mm_unpacklo_epi16(in0, in16);
+ const __m128i hi_0_16 = _mm_unpackhi_epi16(in0, in16);
+ const __m128i lo_8_24 = _mm_unpacklo_epi16(in8, in24);
+ const __m128i hi_8_24 = _mm_unpackhi_epi16(in8, in24);
+
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
+ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14);
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
+
+ MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0,
+ stg4_1, stg4_2, stg4_3, stp2_0, stp2_1,
+ stp2_2, stp2_3)
+
+ stp2_4 = _mm_add_epi16(stp1_4, stp1_5);
+ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5);
+ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6);
+ stp2_7 = _mm_add_epi16(stp1_7, stp1_6);
+
+ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4,
+ stg4_5, stg4_6, stg4_4, stp2_9, stp2_14,
+ stp2_10, stp2_13)
+
+ stp2_8 = stp1_8;
+ stp2_15 = stp1_15;
+ stp2_11 = stp1_11;
+ stp2_12 = stp1_12;
+
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_19);
+ stp2_17 = _mm_add_epi16(stp1_17, stp1_18);
+ stp2_18 = _mm_sub_epi16(stp1_17, stp1_18);
+ stp2_19 = _mm_sub_epi16(stp1_16, stp1_19);
+ stp2_20 = _mm_sub_epi16(stp1_23, stp1_20);
+ stp2_21 = _mm_sub_epi16(stp1_22, stp1_21);
+ stp2_22 = _mm_add_epi16(stp1_22, stp1_21);
+ stp2_23 = _mm_add_epi16(stp1_23, stp1_20);
+
+ stp2_24 = _mm_add_epi16(stp1_24, stp1_27);
+ stp2_25 = _mm_add_epi16(stp1_25, stp1_26);
+ stp2_26 = _mm_sub_epi16(stp1_25, stp1_26);
+ stp2_27 = _mm_sub_epi16(stp1_24, stp1_27);
+ stp2_28 = _mm_sub_epi16(stp1_31, stp1_28);
+ stp2_29 = _mm_sub_epi16(stp1_30, stp1_29);
+ stp2_30 = _mm_add_epi16(stp1_29, stp1_30);
+ stp2_31 = _mm_add_epi16(stp1_28, stp1_31);
+ }
+
+ // Stage5
+ {+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5);
+ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29);
+ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29);
+
+ const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28);
+ const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28);
+ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27);
+ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27);
+
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
+
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_3);
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_2);
+ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2);
+ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3);
+
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1);
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1);
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0);
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1);
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3);
+
+ stp1_4 = stp2_4;
+ stp1_7 = stp2_7;
+
+ stp1_8 = _mm_add_epi16(stp2_8, stp2_11);
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10);
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10);
+ stp1_11 = _mm_sub_epi16(stp2_8, stp2_11);
+ stp1_12 = _mm_sub_epi16(stp2_15, stp2_12);
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13);
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13);
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_12);
+
+ stp1_16 = stp2_16;
+ stp1_17 = stp2_17;
+
+ MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4,
+ stg4_5, stg4_4, stg4_5, stp1_18, stp1_29,
+ stp1_19, stp1_28)
+ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6,
+ stg4_4, stg4_6, stg4_4, stp1_20, stp1_27,
+ stp1_21, stp1_26)
+
+ stp1_22 = stp2_22;
+ stp1_23 = stp2_23;
+ stp1_24 = stp2_24;
+ stp1_25 = stp2_25;
+ stp1_30 = stp2_30;
+ stp1_31 = stp2_31;
+ }
+
+ // Stage6
+ {+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12);
+
+ stp2_0 = _mm_add_epi16(stp1_0, stp1_7);
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6);
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
+ stp2_3 = _mm_add_epi16(stp1_3, stp1_4);
+ stp2_4 = _mm_sub_epi16(stp1_3, stp1_4);
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6);
+ stp2_7 = _mm_sub_epi16(stp1_0, stp1_7);
+
+ stp2_8 = stp1_8;
+ stp2_9 = stp1_9;
+ stp2_14 = stp1_14;
+ stp2_15 = stp1_15;
+
+ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12,
+ stg6_0, stg4_0, stg6_0, stg4_0, stp2_10,
+ stp2_13, stp2_11, stp2_12)
+
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_23);
+ stp2_17 = _mm_add_epi16(stp1_17, stp1_22);
+ stp2_18 = _mm_add_epi16(stp1_18, stp1_21);
+ stp2_19 = _mm_add_epi16(stp1_19, stp1_20);
+ stp2_20 = _mm_sub_epi16(stp1_19, stp1_20);
+ stp2_21 = _mm_sub_epi16(stp1_18, stp1_21);
+ stp2_22 = _mm_sub_epi16(stp1_17, stp1_22);
+ stp2_23 = _mm_sub_epi16(stp1_16, stp1_23);
+
+ stp2_24 = _mm_sub_epi16(stp1_31, stp1_24);
+ stp2_25 = _mm_sub_epi16(stp1_30, stp1_25);
+ stp2_26 = _mm_sub_epi16(stp1_29, stp1_26);
+ stp2_27 = _mm_sub_epi16(stp1_28, stp1_27);
+ stp2_28 = _mm_add_epi16(stp1_27, stp1_28);
+ stp2_29 = _mm_add_epi16(stp1_26, stp1_29);
+ stp2_30 = _mm_add_epi16(stp1_25, stp1_30);
+ stp2_31 = _mm_add_epi16(stp1_24, stp1_31);
+ }
+
+ // Stage7
+ {+ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27);
+ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27);
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
+
+ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25);
+ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25);
+ const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24);
+ const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24);
+
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_15);
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_14);
+ stp1_2 = _mm_add_epi16(stp2_2, stp2_13);
+ stp1_3 = _mm_add_epi16(stp2_3, stp2_12);
+ stp1_4 = _mm_add_epi16(stp2_4, stp2_11);
+ stp1_5 = _mm_add_epi16(stp2_5, stp2_10);
+ stp1_6 = _mm_add_epi16(stp2_6, stp2_9);
+ stp1_7 = _mm_add_epi16(stp2_7, stp2_8);
+ stp1_8 = _mm_sub_epi16(stp2_7, stp2_8);
+ stp1_9 = _mm_sub_epi16(stp2_6, stp2_9);
+ stp1_10 = _mm_sub_epi16(stp2_5, stp2_10);
+ stp1_11 = _mm_sub_epi16(stp2_4, stp2_11);
+ stp1_12 = _mm_sub_epi16(stp2_3, stp2_12);
+ stp1_13 = _mm_sub_epi16(stp2_2, stp2_13);
+ stp1_14 = _mm_sub_epi16(stp2_1, stp2_14);
+ stp1_15 = _mm_sub_epi16(stp2_0, stp2_15);
+
+ stp1_16 = stp2_16;
+ stp1_17 = stp2_17;
+ stp1_18 = stp2_18;
+ stp1_19 = stp2_19;
+
+ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0,
+ stg4_0, stg6_0, stg4_0, stp1_20, stp1_27,
+ stp1_21, stp1_26)
+ MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0,
+ stg4_0, stg6_0, stg4_0, stp1_22, stp1_25,
+ stp1_23, stp1_24)
+
+ stp1_28 = stp2_28;
+ stp1_29 = stp2_29;
+ stp1_30 = stp2_30;
+ stp1_31 = stp2_31;
+ }
+
+ // final stage
+ if (i < 4) {+ // 1_D: Store 32 intermediate results for each 8x32 block.
+ col[i * 32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
+ col[i * 32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
+ col[i * 32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
+ col[i * 32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
+ col[i * 32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
+ col[i * 32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
+ col[i * 32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
+ col[i * 32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
+ col[i * 32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
+ col[i * 32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
+ col[i * 32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
+ col[i * 32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
+ col[i * 32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
+ col[i * 32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
+ col[i * 32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
+ col[i * 32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
+ col[i * 32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
+ col[i * 32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
+ col[i * 32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
+ col[i * 32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
+ col[i * 32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
+ col[i * 32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
+ col[i * 32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
+ col[i * 32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
+ col[i * 32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
+ col[i * 32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
+ col[i * 32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
+ col[i * 32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
+ col[i * 32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
+ col[i * 32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
+ col[i * 32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
+ col[i * 32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
+ } else {+ // 2_D: Calculate the results and store them to destination.
+ in0 = _mm_add_epi16(stp1_0, stp1_31);
+ in1 = _mm_add_epi16(stp1_1, stp1_30);
+ in2 = _mm_add_epi16(stp1_2, stp1_29);
+ in3 = _mm_add_epi16(stp1_3, stp1_28);
+ in4 = _mm_add_epi16(stp1_4, stp1_27);
+ in5 = _mm_add_epi16(stp1_5, stp1_26);
+ in6 = _mm_add_epi16(stp1_6, stp1_25);
+ in7 = _mm_add_epi16(stp1_7, stp1_24);
+ in8 = _mm_add_epi16(stp1_8, stp1_23);
+ in9 = _mm_add_epi16(stp1_9, stp1_22);
+ in10 = _mm_add_epi16(stp1_10, stp1_21);
+ in11 = _mm_add_epi16(stp1_11, stp1_20);
+ in12 = _mm_add_epi16(stp1_12, stp1_19);
+ in13 = _mm_add_epi16(stp1_13, stp1_18);
+ in14 = _mm_add_epi16(stp1_14, stp1_17);
+ in15 = _mm_add_epi16(stp1_15, stp1_16);
+ in16 = _mm_sub_epi16(stp1_15, stp1_16);
+ in17 = _mm_sub_epi16(stp1_14, stp1_17);
+ in18 = _mm_sub_epi16(stp1_13, stp1_18);
+ in19 = _mm_sub_epi16(stp1_12, stp1_19);
+ in20 = _mm_sub_epi16(stp1_11, stp1_20);
+ in21 = _mm_sub_epi16(stp1_10, stp1_21);
+ in22 = _mm_sub_epi16(stp1_9, stp1_22);
+ in23 = _mm_sub_epi16(stp1_8, stp1_23);
+ in24 = _mm_sub_epi16(stp1_7, stp1_24);
+ in25 = _mm_sub_epi16(stp1_6, stp1_25);
+ in26 = _mm_sub_epi16(stp1_5, stp1_26);
+ in27 = _mm_sub_epi16(stp1_4, stp1_27);
+ in28 = _mm_sub_epi16(stp1_3, stp1_28);
+ in29 = _mm_sub_epi16(stp1_2, stp1_29);
+ in30 = _mm_sub_epi16(stp1_1, stp1_30);
+ in31 = _mm_sub_epi16(stp1_0, stp1_31);
+
+ // Final rounding and shift
+ in0 = _mm_adds_epi16(in0, final_rounding);
+ in1 = _mm_adds_epi16(in1, final_rounding);
+ in2 = _mm_adds_epi16(in2, final_rounding);
+ in3 = _mm_adds_epi16(in3, final_rounding);
+ in4 = _mm_adds_epi16(in4, final_rounding);
+ in5 = _mm_adds_epi16(in5, final_rounding);
+ in6 = _mm_adds_epi16(in6, final_rounding);
+ in7 = _mm_adds_epi16(in7, final_rounding);
+ in8 = _mm_adds_epi16(in8, final_rounding);
+ in9 = _mm_adds_epi16(in9, final_rounding);
+ in10 = _mm_adds_epi16(in10, final_rounding);
+ in11 = _mm_adds_epi16(in11, final_rounding);
+ in12 = _mm_adds_epi16(in12, final_rounding);
+ in13 = _mm_adds_epi16(in13, final_rounding);
+ in14 = _mm_adds_epi16(in14, final_rounding);
+ in15 = _mm_adds_epi16(in15, final_rounding);
+ in16 = _mm_adds_epi16(in16, final_rounding);
+ in17 = _mm_adds_epi16(in17, final_rounding);
+ in18 = _mm_adds_epi16(in18, final_rounding);
+ in19 = _mm_adds_epi16(in19, final_rounding);
+ in20 = _mm_adds_epi16(in20, final_rounding);
+ in21 = _mm_adds_epi16(in21, final_rounding);
+ in22 = _mm_adds_epi16(in22, final_rounding);
+ in23 = _mm_adds_epi16(in23, final_rounding);
+ in24 = _mm_adds_epi16(in24, final_rounding);
+ in25 = _mm_adds_epi16(in25, final_rounding);
+ in26 = _mm_adds_epi16(in26, final_rounding);
+ in27 = _mm_adds_epi16(in27, final_rounding);
+ in28 = _mm_adds_epi16(in28, final_rounding);
+ in29 = _mm_adds_epi16(in29, final_rounding);
+ in30 = _mm_adds_epi16(in30, final_rounding);
+ in31 = _mm_adds_epi16(in31, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 6);
+ in1 = _mm_srai_epi16(in1, 6);
+ in2 = _mm_srai_epi16(in2, 6);
+ in3 = _mm_srai_epi16(in3, 6);
+ in4 = _mm_srai_epi16(in4, 6);
+ in5 = _mm_srai_epi16(in5, 6);
+ in6 = _mm_srai_epi16(in6, 6);
+ in7 = _mm_srai_epi16(in7, 6);
+ in8 = _mm_srai_epi16(in8, 6);
+ in9 = _mm_srai_epi16(in9, 6);
+ in10 = _mm_srai_epi16(in10, 6);
+ in11 = _mm_srai_epi16(in11, 6);
+ in12 = _mm_srai_epi16(in12, 6);
+ in13 = _mm_srai_epi16(in13, 6);
+ in14 = _mm_srai_epi16(in14, 6);
+ in15 = _mm_srai_epi16(in15, 6);
+ in16 = _mm_srai_epi16(in16, 6);
+ in17 = _mm_srai_epi16(in17, 6);
+ in18 = _mm_srai_epi16(in18, 6);
+ in19 = _mm_srai_epi16(in19, 6);
+ in20 = _mm_srai_epi16(in20, 6);
+ in21 = _mm_srai_epi16(in21, 6);
+ in22 = _mm_srai_epi16(in22, 6);
+ in23 = _mm_srai_epi16(in23, 6);
+ in24 = _mm_srai_epi16(in24, 6);
+ in25 = _mm_srai_epi16(in25, 6);
+ in26 = _mm_srai_epi16(in26, 6);
+ in27 = _mm_srai_epi16(in27, 6);
+ in28 = _mm_srai_epi16(in28, 6);
+ in29 = _mm_srai_epi16(in29, 6);
+ in30 = _mm_srai_epi16(in30, 6);
+ in31 = _mm_srai_epi16(in31, 6);
+
+ // Store results
+ _mm_store_si128((__m128i *)output, in0);
+ _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
+ _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
+ _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
+ _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
+ _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
+ _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
+ _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
+ _mm_store_si128((__m128i *)(output + half_pitch * 8), in8);
+ _mm_store_si128((__m128i *)(output + half_pitch * 9), in9);
+ _mm_store_si128((__m128i *)(output + half_pitch * 10), in10);
+ _mm_store_si128((__m128i *)(output + half_pitch * 11), in11);
+ _mm_store_si128((__m128i *)(output + half_pitch * 12), in12);
+ _mm_store_si128((__m128i *)(output + half_pitch * 13), in13);
+ _mm_store_si128((__m128i *)(output + half_pitch * 14), in14);
+ _mm_store_si128((__m128i *)(output + half_pitch * 15), in15);
+ _mm_store_si128((__m128i *)(output + half_pitch * 16), in16);
+ _mm_store_si128((__m128i *)(output + half_pitch * 17), in17);
+ _mm_store_si128((__m128i *)(output + half_pitch * 18), in18);
+ _mm_store_si128((__m128i *)(output + half_pitch * 19), in19);
+ _mm_store_si128((__m128i *)(output + half_pitch * 20), in20);
+ _mm_store_si128((__m128i *)(output + half_pitch * 21), in21);
+ _mm_store_si128((__m128i *)(output + half_pitch * 22), in22);
+ _mm_store_si128((__m128i *)(output + half_pitch * 23), in23);
+ _mm_store_si128((__m128i *)(output + half_pitch * 24), in24);
+ _mm_store_si128((__m128i *)(output + half_pitch * 25), in25);
+ _mm_store_si128((__m128i *)(output + half_pitch * 26), in26);
+ _mm_store_si128((__m128i *)(output + half_pitch * 27), in27);
+ _mm_store_si128((__m128i *)(output + half_pitch * 28), in28);
+ _mm_store_si128((__m128i *)(output + half_pitch * 29), in29);
+ _mm_store_si128((__m128i *)(output + half_pitch * 30), in30);
+ _mm_store_si128((__m128i *)(output + half_pitch * 31), in31);
+
+ output += 8;
+ }
+ }
+}
--- a/vp9/common/x86/vp9_idct_x86.c
+++ /dev/null
@@ -1,1975 +1,0 @@
-/*
- * Copyright (c) 2012 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 <assert.h>
-#include <emmintrin.h> // SSE2
-#include "./vpx_config.h"
-#include "vpx/vpx_integer.h"
-#include "vp9/common/vp9_common.h"
-#include "vp9/common/vp9_idct.h"
-
-#if HAVE_SSE2
-// In order to improve performance, clip absolute diff values to [0, 255],
-// which allows to keep the additions/subtractions in 8 bits.
-void vp9_dc_only_idct_add_sse2(int input_dc, uint8_t *pred_ptr,
- uint8_t *dst_ptr, int pitch, int stride) {- int a1;
- int16_t out;
- uint8_t abs_diff;
- __m128i p0, p1, p2, p3;
- unsigned int extended_diff;
- __m128i diff;
-
- out = dct_const_round_shift(input_dc * cospi_16_64);
- out = dct_const_round_shift(out * cospi_16_64);
- a1 = ROUND_POWER_OF_TWO(out, 4);
-
- // Read prediction data.
- p0 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 0 * pitch));
- p1 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 1 * pitch));
- p2 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 2 * pitch));
- p3 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 3 * pitch));
-
- // Unpack prediction data, and store 4x4 array in 1 XMM register.
- p0 = _mm_unpacklo_epi32(p0, p1);
- p2 = _mm_unpacklo_epi32(p2, p3);
- p0 = _mm_unpacklo_epi64(p0, p2);
-
- // Clip dc value to [0, 255] range. Then, do addition or subtraction
- // according to its sign.
- if (a1 >= 0) {- abs_diff = (a1 > 255) ? 255 : a1;
- extended_diff = abs_diff * 0x01010101u;
- diff = _mm_shuffle_epi32(_mm_cvtsi32_si128((int)extended_diff), 0);
-
- p1 = _mm_adds_epu8(p0, diff);
- } else {- abs_diff = (a1 < -255) ? 255 : -a1;
- extended_diff = abs_diff * 0x01010101u;
- diff = _mm_shuffle_epi32(_mm_cvtsi32_si128((int)extended_diff), 0);
-
- p1 = _mm_subs_epu8(p0, diff);
- }
-
- // Store results to dst.
- *(int *)dst_ptr = _mm_cvtsi128_si32(p1);
- dst_ptr += stride;
-
- p1 = _mm_srli_si128(p1, 4);
- *(int *)dst_ptr = _mm_cvtsi128_si32(p1);
- dst_ptr += stride;
-
- p1 = _mm_srli_si128(p1, 4);
- *(int *)dst_ptr = _mm_cvtsi128_si32(p1);
- dst_ptr += stride;
-
- p1 = _mm_srli_si128(p1, 4);
- *(int *)dst_ptr = _mm_cvtsi128_si32(p1);
-}
-
-void vp9_short_idct4x4_sse2(int16_t *input, int16_t *output, int pitch) {- const __m128i zero = _mm_setzero_si128();
- const __m128i eight = _mm_set1_epi16(8);
- const __m128i cst = _mm_setr_epi16((int16_t)cospi_16_64, (int16_t)cospi_16_64,
- (int16_t)cospi_16_64, (int16_t)-cospi_16_64,
- (int16_t)cospi_24_64, (int16_t)-cospi_8_64,
- (int16_t)cospi_8_64, (int16_t)cospi_24_64);
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const int half_pitch = pitch >> 1;
- __m128i input0, input1, input2, input3;
-
- // Rows
- input0 = _mm_loadl_epi64((__m128i *)input);
- input1 = _mm_loadl_epi64((__m128i *)(input + 4));
- input2 = _mm_loadl_epi64((__m128i *)(input + 8));
- input3 = _mm_loadl_epi64((__m128i *)(input + 12));
-
- // Construct i3, i1, i3, i1, i2, i0, i2, i0
- input0 = _mm_shufflelo_epi16(input0, 0xd8);
- input1 = _mm_shufflelo_epi16(input1, 0xd8);
- input2 = _mm_shufflelo_epi16(input2, 0xd8);
- input3 = _mm_shufflelo_epi16(input3, 0xd8);
-
- input0 = _mm_unpacklo_epi32(input0, input0);
- input1 = _mm_unpacklo_epi32(input1, input1);
- input2 = _mm_unpacklo_epi32(input2, input2);
- input3 = _mm_unpacklo_epi32(input3, input3);
-
- // Stage 1
- input0 = _mm_madd_epi16(input0, cst);
- input1 = _mm_madd_epi16(input1, cst);
- input2 = _mm_madd_epi16(input2, cst);
- input3 = _mm_madd_epi16(input3, cst);
-
- input0 = _mm_add_epi32(input0, rounding);
- input1 = _mm_add_epi32(input1, rounding);
- input2 = _mm_add_epi32(input2, rounding);
- input3 = _mm_add_epi32(input3, rounding);
-
- input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
- input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
- input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
- input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
-
- // Stage 2
- input0 = _mm_packs_epi32(input0, zero);
- input1 = _mm_packs_epi32(input1, zero);
- input2 = _mm_packs_epi32(input2, zero);
- input3 = _mm_packs_epi32(input3, zero);
-
- // Transpose
- input1 = _mm_unpacklo_epi16(input0, input1);
- input3 = _mm_unpacklo_epi16(input2, input3);
- input0 = _mm_unpacklo_epi32(input1, input3);
- input1 = _mm_unpackhi_epi32(input1, input3);
-
- // Switch column2, column 3, and then, we got:
- // input2: column1, column 0; input3: column2, column 3.
- input1 = _mm_shuffle_epi32(input1, 0x4e);
- input2 = _mm_add_epi16(input0, input1);
- input3 = _mm_sub_epi16(input0, input1);
-
- // Columns
- // Construct i3, i1, i3, i1, i2, i0, i2, i0
- input0 = _mm_shufflelo_epi16(input2, 0xd8);
- input1 = _mm_shufflehi_epi16(input2, 0xd8);
- input2 = _mm_shufflehi_epi16(input3, 0xd8);
- input3 = _mm_shufflelo_epi16(input3, 0xd8);
-
- input0 = _mm_unpacklo_epi32(input0, input0);
- input1 = _mm_unpackhi_epi32(input1, input1);
- input2 = _mm_unpackhi_epi32(input2, input2);
- input3 = _mm_unpacklo_epi32(input3, input3);
-
- // Stage 1
- input0 = _mm_madd_epi16(input0, cst);
- input1 = _mm_madd_epi16(input1, cst);
- input2 = _mm_madd_epi16(input2, cst);
- input3 = _mm_madd_epi16(input3, cst);
-
- input0 = _mm_add_epi32(input0, rounding);
- input1 = _mm_add_epi32(input1, rounding);
- input2 = _mm_add_epi32(input2, rounding);
- input3 = _mm_add_epi32(input3, rounding);
-
- input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
- input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
- input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
- input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
-
- // Stage 2
- input0 = _mm_packs_epi32(input0, zero);
- input1 = _mm_packs_epi32(input1, zero);
- input2 = _mm_packs_epi32(input2, zero);
- input3 = _mm_packs_epi32(input3, zero);
-
- // Transpose
- input1 = _mm_unpacklo_epi16(input0, input1);
- input3 = _mm_unpacklo_epi16(input2, input3);
- input0 = _mm_unpacklo_epi32(input1, input3);
- input1 = _mm_unpackhi_epi32(input1, input3);
-
- // Switch column2, column 3, and then, we got:
- // input2: column1, column 0; input3: column2, column 3.
- input1 = _mm_shuffle_epi32(input1, 0x4e);
- input2 = _mm_add_epi16(input0, input1);
- input3 = _mm_sub_epi16(input0, input1);
-
- // Final round and shift
- input2 = _mm_add_epi16(input2, eight);
- input3 = _mm_add_epi16(input3, eight);
-
- input2 = _mm_srai_epi16(input2, 4);
- input3 = _mm_srai_epi16(input3, 4);
-
- // Store results
- _mm_storel_epi64((__m128i *)output, input2);
- input2 = _mm_srli_si128(input2, 8);
- _mm_storel_epi64((__m128i *)(output + half_pitch), input2);
-
- _mm_storel_epi64((__m128i *)(output + 3 * half_pitch), input3);
- input3 = _mm_srli_si128(input3, 8);
- _mm_storel_epi64((__m128i *)(output + 2 * half_pitch), input3);
-}
-
-void vp9_idct4_1d_sse2(int16_t *input, int16_t *output) {- const __m128i zero = _mm_setzero_si128();
- const __m128i c1 = _mm_setr_epi16((int16_t)cospi_16_64, (int16_t)cospi_16_64,
- (int16_t)cospi_16_64, (int16_t)-cospi_16_64,
- (int16_t)cospi_24_64, (int16_t)-cospi_8_64,
- (int16_t)cospi_8_64, (int16_t)cospi_24_64);
- const __m128i c2 = _mm_setr_epi16(1, 1, 1, 1, 1, -1, 1, -1);
-
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i in, temp;
-
- // Load input data.
- in = _mm_loadl_epi64((__m128i *)input);
-
- // Construct i3, i1, i3, i1, i2, i0, i2, i0
- in = _mm_shufflelo_epi16(in, 0xd8);
- in = _mm_unpacklo_epi32(in, in);
-
- // Stage 1
- in = _mm_madd_epi16(in, c1);
- in = _mm_add_epi32(in, rounding);
- in = _mm_srai_epi32(in, DCT_CONST_BITS);
- in = _mm_packs_epi32(in, zero);
-
- // Stage 2
- temp = _mm_shufflelo_epi16(in, 0x9c);
- in = _mm_shufflelo_epi16(in, 0xc9);
- in = _mm_unpacklo_epi64(temp, in);
- in = _mm_madd_epi16(in, c2);
- in = _mm_packs_epi32(in, zero);
-
- // Store results
- _mm_storel_epi64((__m128i *)output, in);
-}
-
-#define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, \
- out0, out1, out2, out3, out4, out5, out6, out7) \
- { \- const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
- const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
- const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
- const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
- const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
- const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
- const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); \
- const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); \
- \
- const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
- const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); \
- const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
- const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); \
- const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
- const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); \
- const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
- const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); \
- \
- out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
- out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
- out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
- out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
- out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \
- out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \
- out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \
- out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
- }
-
-#define TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, \
- out0, out1, out2, out3, out4, out5, out6, out7) \
- { \- const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
- const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
- const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
- const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
- \
- const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
- const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
- const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
- const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
- \
- out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
- out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
- out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
- out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
- out4 = out5 = out6 = out7 = zero; \
- }
-
-#define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1, out2, out3) \
- { \- const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
- const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
- const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
- const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
- \
- in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \
- in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \
- in2 = _mm_unpacklo_epi32(tr0_2, tr0_3); /* i5 i4 */ \
- in3 = _mm_unpackhi_epi32(tr0_2, tr0_3); /* i7 i6 */ \
- }
-
-// Define Macro for multiplying elements by constants and adding them together.
-#define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, \
- cst0, cst1, cst2, cst3, res0, res1, res2, res3) \
- { \- tmp0 = _mm_madd_epi16(lo_0, cst0); \
- tmp1 = _mm_madd_epi16(hi_0, cst0); \
- tmp2 = _mm_madd_epi16(lo_0, cst1); \
- tmp3 = _mm_madd_epi16(hi_0, cst1); \
- tmp4 = _mm_madd_epi16(lo_1, cst2); \
- tmp5 = _mm_madd_epi16(hi_1, cst2); \
- tmp6 = _mm_madd_epi16(lo_1, cst3); \
- tmp7 = _mm_madd_epi16(hi_1, cst3); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- tmp4 = _mm_add_epi32(tmp4, rounding); \
- tmp5 = _mm_add_epi32(tmp5, rounding); \
- tmp6 = _mm_add_epi32(tmp6, rounding); \
- tmp7 = _mm_add_epi32(tmp7, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); \
- tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); \
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); \
- tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); \
- \
- res0 = _mm_packs_epi32(tmp0, tmp1); \
- res1 = _mm_packs_epi32(tmp2, tmp3); \
- res2 = _mm_packs_epi32(tmp4, tmp5); \
- res3 = _mm_packs_epi32(tmp6, tmp7); \
- }
-
-#define IDCT8x8_1D \
- /* Stage1 */ \
- { \- const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
- const __m128i hi_17 = _mm_unpackhi_epi16(in1, in7); \
- const __m128i lo_35 = _mm_unpacklo_epi16(in3, in5); \
- const __m128i hi_35 = _mm_unpackhi_epi16(in3, in5); \
- \
- MULTIPLICATION_AND_ADD(lo_17, hi_17, lo_35, hi_35, stg1_0, \
- stg1_1, stg1_2, stg1_3, stp1_4, \
- stp1_7, stp1_5, stp1_6) \
- } \
- \
- /* Stage2 */ \
- { \- const __m128i lo_04 = _mm_unpacklo_epi16(in0, in4); \
- const __m128i hi_04 = _mm_unpackhi_epi16(in0, in4); \
- const __m128i lo_26 = _mm_unpacklo_epi16(in2, in6); \
- const __m128i hi_26 = _mm_unpackhi_epi16(in2, in6); \
- \
- MULTIPLICATION_AND_ADD(lo_04, hi_04, lo_26, hi_26, stg2_0, \
- stg2_1, stg2_2, stg2_3, stp2_0, \
- stp2_1, stp2_2, stp2_3) \
- \
- stp2_4 = _mm_adds_epi16(stp1_4, stp1_5); \
- stp2_5 = _mm_subs_epi16(stp1_4, stp1_5); \
- stp2_6 = _mm_subs_epi16(stp1_7, stp1_6); \
- stp2_7 = _mm_adds_epi16(stp1_7, stp1_6); \
- } \
- \
- /* Stage3 */ \
- { \- const __m128i lo_56 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
- const __m128i hi_56 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
- \
- stp1_0 = _mm_adds_epi16(stp2_0, stp2_3); \
- stp1_1 = _mm_adds_epi16(stp2_1, stp2_2); \
- stp1_2 = _mm_subs_epi16(stp2_1, stp2_2); \
- stp1_3 = _mm_subs_epi16(stp2_0, stp2_3); \
- \
- tmp0 = _mm_madd_epi16(lo_56, stg2_1); \
- tmp1 = _mm_madd_epi16(hi_56, stg2_1); \
- tmp2 = _mm_madd_epi16(lo_56, stg2_0); \
- tmp3 = _mm_madd_epi16(hi_56, stg2_0); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- \
- stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
- stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
- } \
- \
- /* Stage4 */ \
- in0 = _mm_adds_epi16(stp1_0, stp2_7); \
- in1 = _mm_adds_epi16(stp1_1, stp1_6); \
- in2 = _mm_adds_epi16(stp1_2, stp1_5); \
- in3 = _mm_adds_epi16(stp1_3, stp2_4); \
- in4 = _mm_subs_epi16(stp1_3, stp2_4); \
- in5 = _mm_subs_epi16(stp1_2, stp1_5); \
- in6 = _mm_subs_epi16(stp1_1, stp1_6); \
- in7 = _mm_subs_epi16(stp1_0, stp2_7);
-
-void vp9_short_idct8x8_sse2(int16_t *input, int16_t *output, int pitch) {- const int half_pitch = pitch >> 1;
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1<<4);
- const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
-
- __m128i in0, in1, in2, in3, in4, in5, in6, in7;
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i;
-
- // Load input data.
- in0 = _mm_load_si128((__m128i *)input);
- in1 = _mm_load_si128((__m128i *)(input + 8 * 1));
- in2 = _mm_load_si128((__m128i *)(input + 8 * 2));
- in3 = _mm_load_si128((__m128i *)(input + 8 * 3));
- in4 = _mm_load_si128((__m128i *)(input + 8 * 4));
- in5 = _mm_load_si128((__m128i *)(input + 8 * 5));
- in6 = _mm_load_si128((__m128i *)(input + 8 * 6));
- in7 = _mm_load_si128((__m128i *)(input + 8 * 7));
-
- // 2-D
- for (i = 0; i < 2; i++) {- // 8x8 Transpose is copied from vp9_short_fdct8x8_sse2()
- TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
- in4, in5, in6, in7);
-
- // 4-stage 1D idct8x8
- IDCT8x8_1D
- }
-
- // Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
-
- in0 = _mm_srai_epi16(in0, 5);
- in1 = _mm_srai_epi16(in1, 5);
- in2 = _mm_srai_epi16(in2, 5);
- in3 = _mm_srai_epi16(in3, 5);
- in4 = _mm_srai_epi16(in4, 5);
- in5 = _mm_srai_epi16(in5, 5);
- in6 = _mm_srai_epi16(in6, 5);
- in7 = _mm_srai_epi16(in7, 5);
-
- // Store results
- _mm_store_si128((__m128i *)output, in0);
- _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
- _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
- _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
- _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
- _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
- _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
- _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
-}
-
-void vp9_short_idct10_8x8_sse2(int16_t *input, int16_t *output, int pitch) {- const int half_pitch = pitch >> 1;
- const __m128i zero = _mm_setzero_si128();
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1<<4);
- const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i stg3_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in0, in1, in2, in3, in4, in5, in6, in7;
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
-
- // Rows. Load 4-row input data.
- in0 = _mm_load_si128((__m128i *)input);
- in1 = _mm_load_si128((__m128i *)(input + 8 * 1));
- in2 = _mm_load_si128((__m128i *)(input + 8 * 2));
- in3 = _mm_load_si128((__m128i *)(input + 8 * 3));
-
- // 8x4 Transpose
- TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3)
-
- // Stage1
- {- const __m128i lo_17 = _mm_unpackhi_epi16(in0, in3);
- const __m128i lo_35 = _mm_unpackhi_epi16(in1, in2);
-
- tmp0 = _mm_madd_epi16(lo_17, stg1_0);
- tmp2 = _mm_madd_epi16(lo_17, stg1_1);
- tmp4 = _mm_madd_epi16(lo_35, stg1_2);
- tmp6 = _mm_madd_epi16(lo_35, stg1_3);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
-
- stp1_4 = _mm_packs_epi32(tmp0, zero);
- stp1_7 = _mm_packs_epi32(tmp2, zero);
- stp1_5 = _mm_packs_epi32(tmp4, zero);
- stp1_6 = _mm_packs_epi32(tmp6, zero);
- }
-
- // Stage2
- {- const __m128i lo_04 = _mm_unpacklo_epi16(in0, in2);
- const __m128i lo_26 = _mm_unpacklo_epi16(in1, in3);
-
- tmp0 = _mm_madd_epi16(lo_04, stg2_0);
- tmp2 = _mm_madd_epi16(lo_04, stg2_1);
- tmp4 = _mm_madd_epi16(lo_26, stg2_2);
- tmp6 = _mm_madd_epi16(lo_26, stg2_3);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
-
- stp2_0 = _mm_packs_epi32(tmp0, zero);
- stp2_1 = _mm_packs_epi32(tmp2, zero);
- stp2_2 = _mm_packs_epi32(tmp4, zero);
- stp2_3 = _mm_packs_epi32(tmp6, zero);
-
- stp2_4 = _mm_adds_epi16(stp1_4, stp1_5);
- stp2_5 = _mm_subs_epi16(stp1_4, stp1_5);
- stp2_6 = _mm_subs_epi16(stp1_7, stp1_6);
- stp2_7 = _mm_adds_epi16(stp1_7, stp1_6);
- }
-
- // Stage3
- {- const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6);
- stp1_0 = _mm_adds_epi16(stp2_0, stp2_3);
- stp1_1 = _mm_adds_epi16(stp2_1, stp2_2);
- stp1_2 = _mm_subs_epi16(stp2_1, stp2_2);
- stp1_3 = _mm_subs_epi16(stp2_0, stp2_3);
-
- tmp0 = _mm_madd_epi16(lo_56, stg3_0);
- tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
-
- stp1_5 = _mm_packs_epi32(tmp0, zero);
- stp1_6 = _mm_packs_epi32(tmp2, zero);
- }
-
- // Stage4
- in0 = _mm_adds_epi16(stp1_0, stp2_7);
- in1 = _mm_adds_epi16(stp1_1, stp1_6);
- in2 = _mm_adds_epi16(stp1_2, stp1_5);
- in3 = _mm_adds_epi16(stp1_3, stp2_4);
- in4 = _mm_subs_epi16(stp1_3, stp2_4);
- in5 = _mm_subs_epi16(stp1_2, stp1_5);
- in6 = _mm_subs_epi16(stp1_1, stp1_6);
- in7 = _mm_subs_epi16(stp1_0, stp2_7);
-
- // Columns. 4x8 Transpose
- TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
- in4, in5, in6, in7)
-
- // 1D idct8x8
- IDCT8x8_1D
-
- // Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
-
- in0 = _mm_srai_epi16(in0, 5);
- in1 = _mm_srai_epi16(in1, 5);
- in2 = _mm_srai_epi16(in2, 5);
- in3 = _mm_srai_epi16(in3, 5);
- in4 = _mm_srai_epi16(in4, 5);
- in5 = _mm_srai_epi16(in5, 5);
- in6 = _mm_srai_epi16(in6, 5);
- in7 = _mm_srai_epi16(in7, 5);
-
- // Store results
- _mm_store_si128((__m128i *)output, in0);
- _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
- _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
- _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
- _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
- _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
- _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
- _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
-}
-
-#define IDCT16x16_1D \
- /* Stage2 */ \
- { \- const __m128i lo_1_15 = _mm_unpacklo_epi16(in1, in15); \
- const __m128i hi_1_15 = _mm_unpackhi_epi16(in1, in15); \
- const __m128i lo_9_7 = _mm_unpacklo_epi16(in9, in7); \
- const __m128i hi_9_7 = _mm_unpackhi_epi16(in9, in7); \
- const __m128i lo_5_11 = _mm_unpacklo_epi16(in5, in11); \
- const __m128i hi_5_11 = _mm_unpackhi_epi16(in5, in11); \
- const __m128i lo_13_3 = _mm_unpacklo_epi16(in13, in3); \
- const __m128i hi_13_3 = _mm_unpackhi_epi16(in13, in3); \
- \
- MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_9_7, hi_9_7, \
- stg2_0, stg2_1, stg2_2, stg2_3, \
- stp2_8, stp2_15, stp2_9, stp2_14) \
- \
- MULTIPLICATION_AND_ADD(lo_5_11, hi_5_11, lo_13_3, hi_13_3, \
- stg2_4, stg2_5, stg2_6, stg2_7, \
- stp2_10, stp2_13, stp2_11, stp2_12) \
- } \
- \
- /* Stage3 */ \
- { \- const __m128i lo_2_14 = _mm_unpacklo_epi16(in2, in14); \
- const __m128i hi_2_14 = _mm_unpackhi_epi16(in2, in14); \
- const __m128i lo_10_6 = _mm_unpacklo_epi16(in10, in6); \
- const __m128i hi_10_6 = _mm_unpackhi_epi16(in10, in6); \
- \
- MULTIPLICATION_AND_ADD(lo_2_14, hi_2_14, lo_10_6, hi_10_6, \
- stg3_0, stg3_1, stg3_2, stg3_3, \
- stp1_4, stp1_7, stp1_5, stp1_6) \
- \
- stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9); \
- stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
- stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
- stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
- \
- stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13); \
- stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
- stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
- stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
- } \
- \
- /* Stage4 */ \
- { \- const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8); \
- const __m128i hi_0_8 = _mm_unpackhi_epi16(in0, in8); \
- const __m128i lo_4_12 = _mm_unpacklo_epi16(in4, in12); \
- const __m128i hi_4_12 = _mm_unpackhi_epi16(in4, in12); \
- \
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
- const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- \
- MULTIPLICATION_AND_ADD(lo_0_8, hi_0_8, lo_4_12, hi_4_12, \
- stg4_0, stg4_1, stg4_2, stg4_3, \
- stp2_0, stp2_1, stp2_2, stp2_3) \
- \
- stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
- stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
- stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
- stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
- \
- MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
- stg4_4, stg4_5, stg4_6, stg4_7, \
- stp2_9, stp2_14, stp2_10, stp2_13) \
- } \
- \
- /* Stage5 */ \
- { \- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
- const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
- \
- stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
- stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
- stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
- stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
- \
- tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
- tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
- tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
- tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- \
- stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
- stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
- \
- stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
- stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
- stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
- stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
- \
- stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
- stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
- stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
- stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
- } \
- \
- /* Stage6 */ \
- { \- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
- const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
- \
- stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
- stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
- stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
- stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
- \
- MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
- stg6_0, stg4_0, stg6_0, stg4_0, \
- stp2_10, stp2_13, stp2_11, stp2_12) \
- }
-
-void vp9_short_idct16x16_sse2(int16_t *input, int16_t *output, int pitch) {- const int half_pitch = pitch >> 1;
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1<<5);
- const __m128i zero = _mm_setzero_si128();
-
- const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
-
- const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
-
- const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
- const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
-
- const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
- in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
- in10 = zero, in11 = zero, in12 = zero, in13 = zero,
- in14 = zero, in15 = zero;
- __m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
- l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
- l12 = zero, l13 = zero, l14 = zero, l15 = zero;
- __m128i r0 = zero, r1 = zero, r2 = zero, r3 = zero, r4 = zero, r5 = zero,
- r6 = zero, r7 = zero, r8 = zero, r9 = zero, r10 = zero, r11 = zero,
- r12 = zero, r13 = zero, r14 = zero, r15 = zero;
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
- stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
- stp1_8_0, stp1_12_0;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
- stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i;
-
- // We work on a 8x16 block each time, and loop 4 times for 2-D 16x16 idct.
- for (i = 0; i < 4; i++) {- // 1-D idct
- if (i < 2) {- if (i == 1) input += 128;
-
- // Load input data.
- in0 = _mm_load_si128((__m128i *)input);
- in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
- in1 = _mm_load_si128((__m128i *)(input + 8 * 2));
- in9 = _mm_load_si128((__m128i *)(input + 8 * 3));
- in2 = _mm_load_si128((__m128i *)(input + 8 * 4));
- in10 = _mm_load_si128((__m128i *)(input + 8 * 5));
- in3 = _mm_load_si128((__m128i *)(input + 8 * 6));
- in11 = _mm_load_si128((__m128i *)(input + 8 * 7));
- in4 = _mm_load_si128((__m128i *)(input + 8 * 8));
- in12 = _mm_load_si128((__m128i *)(input + 8 * 9));
- in5 = _mm_load_si128((__m128i *)(input + 8 * 10));
- in13 = _mm_load_si128((__m128i *)(input + 8 * 11));
- in6 = _mm_load_si128((__m128i *)(input + 8 * 12));
- in14 = _mm_load_si128((__m128i *)(input + 8 * 13));
- in7 = _mm_load_si128((__m128i *)(input + 8 * 14));
- in15 = _mm_load_si128((__m128i *)(input + 8 * 15));
-
- TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
- in4, in5, in6, in7);
- TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
- in10, in11, in12, in13, in14, in15);
- }
-
- if (i == 2) {- TRANSPOSE_8X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
- in5, in6, in7);
- TRANSPOSE_8X8(r0, r1, r2, r3, r4, r5, r6, r7, in8, in9, in10, in11, in12,
- in13, in14, in15);
- }
-
- if (i == 3) {- TRANSPOSE_8X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
- in4, in5, in6, in7);
- TRANSPOSE_8X8(r8, r9, r10, r11, r12, r13, r14, r15, in8, in9, in10, in11,
- in12, in13, in14, in15);
- }
-
- IDCT16x16_1D
-
- // Stage7
- if (i == 0) {- // Left 8x16
- l0 = _mm_add_epi16(stp2_0, stp1_15);
- l1 = _mm_add_epi16(stp2_1, stp1_14);
- l2 = _mm_add_epi16(stp2_2, stp2_13);
- l3 = _mm_add_epi16(stp2_3, stp2_12);
- l4 = _mm_add_epi16(stp2_4, stp2_11);
- l5 = _mm_add_epi16(stp2_5, stp2_10);
- l6 = _mm_add_epi16(stp2_6, stp1_9);
- l7 = _mm_add_epi16(stp2_7, stp1_8);
- l8 = _mm_sub_epi16(stp2_7, stp1_8);
- l9 = _mm_sub_epi16(stp2_6, stp1_9);
- l10 = _mm_sub_epi16(stp2_5, stp2_10);
- l11 = _mm_sub_epi16(stp2_4, stp2_11);
- l12 = _mm_sub_epi16(stp2_3, stp2_12);
- l13 = _mm_sub_epi16(stp2_2, stp2_13);
- l14 = _mm_sub_epi16(stp2_1, stp1_14);
- l15 = _mm_sub_epi16(stp2_0, stp1_15);
- } else if (i == 1) {- // Right 8x16
- r0 = _mm_add_epi16(stp2_0, stp1_15);
- r1 = _mm_add_epi16(stp2_1, stp1_14);
- r2 = _mm_add_epi16(stp2_2, stp2_13);
- r3 = _mm_add_epi16(stp2_3, stp2_12);
- r4 = _mm_add_epi16(stp2_4, stp2_11);
- r5 = _mm_add_epi16(stp2_5, stp2_10);
- r6 = _mm_add_epi16(stp2_6, stp1_9);
- r7 = _mm_add_epi16(stp2_7, stp1_8);
- r8 = _mm_sub_epi16(stp2_7, stp1_8);
- r9 = _mm_sub_epi16(stp2_6, stp1_9);
- r10 = _mm_sub_epi16(stp2_5, stp2_10);
- r11 = _mm_sub_epi16(stp2_4, stp2_11);
- r12 = _mm_sub_epi16(stp2_3, stp2_12);
- r13 = _mm_sub_epi16(stp2_2, stp2_13);
- r14 = _mm_sub_epi16(stp2_1, stp1_14);
- r15 = _mm_sub_epi16(stp2_0, stp1_15);
- } else {- // 2-D
- in0 = _mm_add_epi16(stp2_0, stp1_15);
- in1 = _mm_add_epi16(stp2_1, stp1_14);
- in2 = _mm_add_epi16(stp2_2, stp2_13);
- in3 = _mm_add_epi16(stp2_3, stp2_12);
- in4 = _mm_add_epi16(stp2_4, stp2_11);
- in5 = _mm_add_epi16(stp2_5, stp2_10);
- in6 = _mm_add_epi16(stp2_6, stp1_9);
- in7 = _mm_add_epi16(stp2_7, stp1_8);
- in8 = _mm_sub_epi16(stp2_7, stp1_8);
- in9 = _mm_sub_epi16(stp2_6, stp1_9);
- in10 = _mm_sub_epi16(stp2_5, stp2_10);
- in11 = _mm_sub_epi16(stp2_4, stp2_11);
- in12 = _mm_sub_epi16(stp2_3, stp2_12);
- in13 = _mm_sub_epi16(stp2_2, stp2_13);
- in14 = _mm_sub_epi16(stp2_1, stp1_14);
- in15 = _mm_sub_epi16(stp2_0, stp1_15);
-
- // Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
- in8 = _mm_adds_epi16(in8, final_rounding);
- in9 = _mm_adds_epi16(in9, final_rounding);
- in10 = _mm_adds_epi16(in10, final_rounding);
- in11 = _mm_adds_epi16(in11, final_rounding);
- in12 = _mm_adds_epi16(in12, final_rounding);
- in13 = _mm_adds_epi16(in13, final_rounding);
- in14 = _mm_adds_epi16(in14, final_rounding);
- in15 = _mm_adds_epi16(in15, final_rounding);
-
- in0 = _mm_srai_epi16(in0, 6);
- in1 = _mm_srai_epi16(in1, 6);
- in2 = _mm_srai_epi16(in2, 6);
- in3 = _mm_srai_epi16(in3, 6);
- in4 = _mm_srai_epi16(in4, 6);
- in5 = _mm_srai_epi16(in5, 6);
- in6 = _mm_srai_epi16(in6, 6);
- in7 = _mm_srai_epi16(in7, 6);
- in8 = _mm_srai_epi16(in8, 6);
- in9 = _mm_srai_epi16(in9, 6);
- in10 = _mm_srai_epi16(in10, 6);
- in11 = _mm_srai_epi16(in11, 6);
- in12 = _mm_srai_epi16(in12, 6);
- in13 = _mm_srai_epi16(in13, 6);
- in14 = _mm_srai_epi16(in14, 6);
- in15 = _mm_srai_epi16(in15, 6);
-
- // Store results
- _mm_store_si128((__m128i *)output, in0);
- _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
- _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
- _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
- _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
- _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
- _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
- _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
- _mm_store_si128((__m128i *)(output + half_pitch * 8), in8);
- _mm_store_si128((__m128i *)(output + half_pitch * 9), in9);
- _mm_store_si128((__m128i *)(output + half_pitch * 10), in10);
- _mm_store_si128((__m128i *)(output + half_pitch * 11), in11);
- _mm_store_si128((__m128i *)(output + half_pitch * 12), in12);
- _mm_store_si128((__m128i *)(output + half_pitch * 13), in13);
- _mm_store_si128((__m128i *)(output + half_pitch * 14), in14);
- _mm_store_si128((__m128i *)(output + half_pitch * 15), in15);
-
- output += 8;
- }
- }
-}
-
-void vp9_short_idct10_16x16_sse2(int16_t *input, int16_t *output, int pitch) {- const int half_pitch = pitch >> 1;
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1<<5);
- const __m128i zero = _mm_setzero_si128();
-
- const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
-
- const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
-
- const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
- const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
-
- const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
- in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
- in10 = zero, in11 = zero, in12 = zero, in13 = zero,
- in14 = zero, in15 = zero;
- __m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
- l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
- l12 = zero, l13 = zero, l14 = zero, l15 = zero;
-
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
- stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
- stp1_8_0, stp1_12_0;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
- stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i;
-
- // 1-D idct. Load input data.
- in0 = _mm_load_si128((__m128i *)input);
- in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
- in1 = _mm_load_si128((__m128i *)(input + 8 * 2));
- in9 = _mm_load_si128((__m128i *)(input + 8 * 3));
- in2 = _mm_load_si128((__m128i *)(input + 8 * 4));
- in10 = _mm_load_si128((__m128i *)(input + 8 * 5));
- in3 = _mm_load_si128((__m128i *)(input + 8 * 6));
- in11 = _mm_load_si128((__m128i *)(input + 8 * 7));
-
- TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3);
- TRANSPOSE_8X4(in8, in9, in10, in11, in8, in9, in10, in11);
-
- // Stage2
- {- const __m128i lo_1_15 = _mm_unpackhi_epi16(in0, in11);
- const __m128i lo_9_7 = _mm_unpackhi_epi16(in8, in3);
- const __m128i lo_5_11 = _mm_unpackhi_epi16(in2, in9);
- const __m128i lo_13_3 = _mm_unpackhi_epi16(in10, in1);
-
- tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
- tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
- tmp4 = _mm_madd_epi16(lo_9_7, stg2_2);
- tmp6 = _mm_madd_epi16(lo_9_7, stg2_3);
- tmp1 = _mm_madd_epi16(lo_5_11, stg2_4);
- tmp3 = _mm_madd_epi16(lo_5_11, stg2_5);
- tmp5 = _mm_madd_epi16(lo_13_3, stg2_6);
- tmp7 = _mm_madd_epi16(lo_13_3, stg2_7);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
- tmp1 = _mm_add_epi32(tmp1, rounding);
- tmp3 = _mm_add_epi32(tmp3, rounding);
- tmp5 = _mm_add_epi32(tmp5, rounding);
- tmp7 = _mm_add_epi32(tmp7, rounding);
-
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
- tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
- tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
-
- stp2_8 = _mm_packs_epi32(tmp0, zero);
- stp2_15 = _mm_packs_epi32(tmp2, zero);
- stp2_9 = _mm_packs_epi32(tmp4, zero);
- stp2_14 = _mm_packs_epi32(tmp6, zero);
-
- stp2_10 = _mm_packs_epi32(tmp1, zero);
- stp2_13 = _mm_packs_epi32(tmp3, zero);
- stp2_11 = _mm_packs_epi32(tmp5, zero);
- stp2_12 = _mm_packs_epi32(tmp7, zero);
- }
-
- // Stage3
- {- const __m128i lo_2_14 = _mm_unpacklo_epi16(in1, in11);
- const __m128i lo_10_6 = _mm_unpacklo_epi16(in9, in3);
-
- tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
- tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
- tmp4 = _mm_madd_epi16(lo_10_6, stg3_2);
- tmp6 = _mm_madd_epi16(lo_10_6, stg3_3);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
-
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
-
- stp1_4 = _mm_packs_epi32(tmp0, zero);
- stp1_7 = _mm_packs_epi32(tmp2, zero);
- stp1_5 = _mm_packs_epi32(tmp4, zero);
- stp1_6 = _mm_packs_epi32(tmp6, zero);
-
- stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9);
- stp1_9 = _mm_sub_epi16(stp2_8, stp2_9);
- stp1_10 = _mm_sub_epi16(stp2_11, stp2_10);
- stp1_11 = _mm_add_epi16(stp2_11, stp2_10);
-
- stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13);
- stp1_13 = _mm_sub_epi16(stp2_12, stp2_13);
- stp1_14 = _mm_sub_epi16(stp2_15, stp2_14);
- stp1_15 = _mm_add_epi16(stp2_15, stp2_14);
- }
-
- // Stage4
- {- const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8);
- const __m128i lo_4_12 = _mm_unpacklo_epi16(in2, in10);
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
-
- tmp0 = _mm_madd_epi16(lo_0_8, stg4_0);
- tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
- tmp4 = _mm_madd_epi16(lo_4_12, stg4_2);
- tmp6 = _mm_madd_epi16(lo_4_12, stg4_3);
- tmp1 = _mm_madd_epi16(lo_9_14, stg4_4);
- tmp3 = _mm_madd_epi16(lo_9_14, stg4_5);
- tmp5 = _mm_madd_epi16(lo_10_13, stg4_6);
- tmp7 = _mm_madd_epi16(lo_10_13, stg4_7);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
- tmp1 = _mm_add_epi32(tmp1, rounding);
- tmp3 = _mm_add_epi32(tmp3, rounding);
- tmp5 = _mm_add_epi32(tmp5, rounding);
- tmp7 = _mm_add_epi32(tmp7, rounding);
-
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
- tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
- tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
-
- stp2_0 = _mm_packs_epi32(tmp0, zero);
- stp2_1 = _mm_packs_epi32(tmp2, zero);
- stp2_2 = _mm_packs_epi32(tmp4, zero);
- stp2_3 = _mm_packs_epi32(tmp6, zero);
- stp2_9 = _mm_packs_epi32(tmp1, zero);
- stp2_14 = _mm_packs_epi32(tmp3, zero);
- stp2_10 = _mm_packs_epi32(tmp5, zero);
- stp2_13 = _mm_packs_epi32(tmp7, zero);
-
- stp2_4 = _mm_add_epi16(stp1_4, stp1_5);
- stp2_5 = _mm_sub_epi16(stp1_4, stp1_5);
- stp2_6 = _mm_sub_epi16(stp1_7, stp1_6);
- stp2_7 = _mm_add_epi16(stp1_7, stp1_6);
- }
-
- // Stage5 and Stage6
- {- stp1_0 = _mm_add_epi16(stp2_0, stp2_3);
- stp1_1 = _mm_add_epi16(stp2_1, stp2_2);
- stp1_2 = _mm_sub_epi16(stp2_1, stp2_2);
- stp1_3 = _mm_sub_epi16(stp2_0, stp2_3);
-
- stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11);
- stp1_9 = _mm_add_epi16(stp2_9, stp2_10);
- stp1_10 = _mm_sub_epi16(stp2_9, stp2_10);
- stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11);
-
- stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0);
- stp1_13 = _mm_sub_epi16(stp2_14, stp2_13);
- stp1_14 = _mm_add_epi16(stp2_14, stp2_13);
- stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0);
- }
-
- // Stage6
- {- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
-
- tmp1 = _mm_madd_epi16(lo_6_5, stg4_1);
- tmp3 = _mm_madd_epi16(lo_6_5, stg4_0);
- tmp0 = _mm_madd_epi16(lo_10_13, stg6_0);
- tmp2 = _mm_madd_epi16(lo_10_13, stg4_0);
- tmp4 = _mm_madd_epi16(lo_11_12, stg6_0);
- tmp6 = _mm_madd_epi16(lo_11_12, stg4_0);
-
- tmp1 = _mm_add_epi32(tmp1, rounding);
- tmp3 = _mm_add_epi32(tmp3, rounding);
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
-
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
-
- stp1_5 = _mm_packs_epi32(tmp1, zero);
- stp1_6 = _mm_packs_epi32(tmp3, zero);
- stp2_10 = _mm_packs_epi32(tmp0, zero);
- stp2_13 = _mm_packs_epi32(tmp2, zero);
- stp2_11 = _mm_packs_epi32(tmp4, zero);
- stp2_12 = _mm_packs_epi32(tmp6, zero);
-
- stp2_0 = _mm_add_epi16(stp1_0, stp2_7);
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6);
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
- stp2_3 = _mm_add_epi16(stp1_3, stp2_4);
- stp2_4 = _mm_sub_epi16(stp1_3, stp2_4);
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6);
- stp2_7 = _mm_sub_epi16(stp1_0, stp2_7);
- }
-
- // Stage7. Left 8x16 only.
- l0 = _mm_add_epi16(stp2_0, stp1_15);
- l1 = _mm_add_epi16(stp2_1, stp1_14);
- l2 = _mm_add_epi16(stp2_2, stp2_13);
- l3 = _mm_add_epi16(stp2_3, stp2_12);
- l4 = _mm_add_epi16(stp2_4, stp2_11);
- l5 = _mm_add_epi16(stp2_5, stp2_10);
- l6 = _mm_add_epi16(stp2_6, stp1_9);
- l7 = _mm_add_epi16(stp2_7, stp1_8);
- l8 = _mm_sub_epi16(stp2_7, stp1_8);
- l9 = _mm_sub_epi16(stp2_6, stp1_9);
- l10 = _mm_sub_epi16(stp2_5, stp2_10);
- l11 = _mm_sub_epi16(stp2_4, stp2_11);
- l12 = _mm_sub_epi16(stp2_3, stp2_12);
- l13 = _mm_sub_epi16(stp2_2, stp2_13);
- l14 = _mm_sub_epi16(stp2_1, stp1_14);
- l15 = _mm_sub_epi16(stp2_0, stp1_15);
-
- // 2-D idct. We do 2 8x16 blocks.
- for (i = 0; i < 2; i++) {- if (i == 0)
- TRANSPOSE_4X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
- in5, in6, in7);
-
- if (i == 1)
- TRANSPOSE_4X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
- in4, in5, in6, in7);
-
- in8 = in9 = in10 = in11 = in12 = in13 = in14 = in15 = zero;
-
- IDCT16x16_1D
-
- // Stage7
- in0 = _mm_add_epi16(stp2_0, stp1_15);
- in1 = _mm_add_epi16(stp2_1, stp1_14);
- in2 = _mm_add_epi16(stp2_2, stp2_13);
- in3 = _mm_add_epi16(stp2_3, stp2_12);
- in4 = _mm_add_epi16(stp2_4, stp2_11);
- in5 = _mm_add_epi16(stp2_5, stp2_10);
- in6 = _mm_add_epi16(stp2_6, stp1_9);
- in7 = _mm_add_epi16(stp2_7, stp1_8);
- in8 = _mm_sub_epi16(stp2_7, stp1_8);
- in9 = _mm_sub_epi16(stp2_6, stp1_9);
- in10 = _mm_sub_epi16(stp2_5, stp2_10);
- in11 = _mm_sub_epi16(stp2_4, stp2_11);
- in12 = _mm_sub_epi16(stp2_3, stp2_12);
- in13 = _mm_sub_epi16(stp2_2, stp2_13);
- in14 = _mm_sub_epi16(stp2_1, stp1_14);
- in15 = _mm_sub_epi16(stp2_0, stp1_15);
-
- // Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
- in8 = _mm_adds_epi16(in8, final_rounding);
- in9 = _mm_adds_epi16(in9, final_rounding);
- in10 = _mm_adds_epi16(in10, final_rounding);
- in11 = _mm_adds_epi16(in11, final_rounding);
- in12 = _mm_adds_epi16(in12, final_rounding);
- in13 = _mm_adds_epi16(in13, final_rounding);
- in14 = _mm_adds_epi16(in14, final_rounding);
- in15 = _mm_adds_epi16(in15, final_rounding);
-
- in0 = _mm_srai_epi16(in0, 6);
- in1 = _mm_srai_epi16(in1, 6);
- in2 = _mm_srai_epi16(in2, 6);
- in3 = _mm_srai_epi16(in3, 6);
- in4 = _mm_srai_epi16(in4, 6);
- in5 = _mm_srai_epi16(in5, 6);
- in6 = _mm_srai_epi16(in6, 6);
- in7 = _mm_srai_epi16(in7, 6);
- in8 = _mm_srai_epi16(in8, 6);
- in9 = _mm_srai_epi16(in9, 6);
- in10 = _mm_srai_epi16(in10, 6);
- in11 = _mm_srai_epi16(in11, 6);
- in12 = _mm_srai_epi16(in12, 6);
- in13 = _mm_srai_epi16(in13, 6);
- in14 = _mm_srai_epi16(in14, 6);
- in15 = _mm_srai_epi16(in15, 6);
-
- // Store results
- _mm_store_si128((__m128i *)output, in0);
- _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
- _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
- _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
- _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
- _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
- _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
- _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
- _mm_store_si128((__m128i *)(output + half_pitch * 8), in8);
- _mm_store_si128((__m128i *)(output + half_pitch * 9), in9);
- _mm_store_si128((__m128i *)(output + half_pitch * 10), in10);
- _mm_store_si128((__m128i *)(output + half_pitch * 11), in11);
- _mm_store_si128((__m128i *)(output + half_pitch * 12), in12);
- _mm_store_si128((__m128i *)(output + half_pitch * 13), in13);
- _mm_store_si128((__m128i *)(output + half_pitch * 14), in14);
- _mm_store_si128((__m128i *)(output + half_pitch * 15), in15);
- output += 8;
- }
-}
-
-void vp9_short_idct32x32_sse2(int16_t *input, int16_t *output, int pitch) {- const int half_pitch = pitch >> 1;
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1<<5);
-
- // idct constants for each stage
- const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
- const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
- const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
- const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
- const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
- const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
- const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
- const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
- const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
- const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
- const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
- const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
- const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
- const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
- const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
- const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
-
- const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
-
- const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
- const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
- const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
-
- const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
-
- const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12,
- in13, in14, in15, in16, in17, in18, in19, in20, in21, in22, in23,
- in24, in25, in26, in27, in28, in29, in30, in31;
- __m128i col[128];
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
- stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
- stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
- stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
- stp1_30, stp1_31;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
- stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
- stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
- stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
- stp2_30, stp2_31;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i, j;
-
- // We work on a 8x32 block each time, and loop 8 times for 2-D 32x32 idct.
- for (i = 0; i < 8; i++) {- if (i < 4) {- // First 1-D idct
- // Load input data.
- in0 = _mm_load_si128((__m128i *)input);
- in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
- in16 = _mm_load_si128((__m128i *)(input + 8 * 2));
- in24 = _mm_load_si128((__m128i *)(input + 8 * 3));
- in1 = _mm_load_si128((__m128i *)(input + 8 * 4));
- in9 = _mm_load_si128((__m128i *)(input + 8 * 5));
- in17 = _mm_load_si128((__m128i *)(input + 8 * 6));
- in25 = _mm_load_si128((__m128i *)(input + 8 * 7));
- in2 = _mm_load_si128((__m128i *)(input + 8 * 8));
- in10 = _mm_load_si128((__m128i *)(input + 8 * 9));
- in18 = _mm_load_si128((__m128i *)(input + 8 * 10));
- in26 = _mm_load_si128((__m128i *)(input + 8 * 11));
- in3 = _mm_load_si128((__m128i *)(input + 8 * 12));
- in11 = _mm_load_si128((__m128i *)(input + 8 * 13));
- in19 = _mm_load_si128((__m128i *)(input + 8 * 14));
- in27 = _mm_load_si128((__m128i *)(input + 8 * 15));
-
- in4 = _mm_load_si128((__m128i *)(input + 8 * 16));
- in12 = _mm_load_si128((__m128i *)(input + 8 * 17));
- in20 = _mm_load_si128((__m128i *)(input + 8 * 18));
- in28 = _mm_load_si128((__m128i *)(input + 8 * 19));
- in5 = _mm_load_si128((__m128i *)(input + 8 * 20));
- in13 = _mm_load_si128((__m128i *)(input + 8 * 21));
- in21 = _mm_load_si128((__m128i *)(input + 8 * 22));
- in29 = _mm_load_si128((__m128i *)(input + 8 * 23));
- in6 = _mm_load_si128((__m128i *)(input + 8 * 24));
- in14 = _mm_load_si128((__m128i *)(input + 8 * 25));
- in22 = _mm_load_si128((__m128i *)(input + 8 * 26));
- in30 = _mm_load_si128((__m128i *)(input + 8 * 27));
- in7 = _mm_load_si128((__m128i *)(input + 8 * 28));
- in15 = _mm_load_si128((__m128i *)(input + 8 * 29));
- in23 = _mm_load_si128((__m128i *)(input + 8 * 30));
- in31 = _mm_load_si128((__m128i *)(input + 8 * 31));
-
- input += 256;
-
- // Transpose 32x8 block to 8x32 block
- TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
- in4, in5, in6, in7);
- TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
- in10, in11, in12, in13, in14, in15);
- TRANSPOSE_8X8(in16, in17, in18, in19, in20, in21, in22, in23, in16, in17,
- in18, in19, in20, in21, in22, in23);
- TRANSPOSE_8X8(in24, in25, in26, in27, in28, in29, in30, in31, in24, in25,
- in26, in27, in28, in29, in30, in31);
- } else {- // Second 1-D idct
- j = i - 4;
-
- // Transpose 32x8 block to 8x32 block
- TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
- col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
- col[j * 8 + 6], col[j * 8 + 7], in0, in1, in2, in3, in4,
- in5, in6, in7);
- j += 4;
- TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
- col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
- col[j * 8 + 6], col[j * 8 + 7], in8, in9, in10,
- in11, in12, in13, in14, in15);
- j += 4;
- TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
- col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
- col[j * 8 + 6], col[j * 8 + 7], in16, in17, in18,
- in19, in20, in21, in22, in23);
- j += 4;
- TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
- col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
- col[j * 8 + 6], col[j * 8 + 7], in24, in25, in26, in27,
- in28, in29, in30, in31);
- }
-
- // Stage1
- {- const __m128i lo_1_31 = _mm_unpacklo_epi16(in1, in31);
- const __m128i hi_1_31 = _mm_unpackhi_epi16(in1, in31);
- const __m128i lo_17_15 = _mm_unpacklo_epi16(in17, in15);
- const __m128i hi_17_15 = _mm_unpackhi_epi16(in17, in15);
-
- const __m128i lo_9_23 = _mm_unpacklo_epi16(in9, in23);
- const __m128i hi_9_23 = _mm_unpackhi_epi16(in9, in23);
- const __m128i lo_25_7= _mm_unpacklo_epi16(in25, in7);
- const __m128i hi_25_7 = _mm_unpackhi_epi16(in25, in7);
-
- const __m128i lo_5_27 = _mm_unpacklo_epi16(in5, in27);
- const __m128i hi_5_27 = _mm_unpackhi_epi16(in5, in27);
- const __m128i lo_21_11 = _mm_unpacklo_epi16(in21, in11);
- const __m128i hi_21_11 = _mm_unpackhi_epi16(in21, in11);
-
- const __m128i lo_13_19 = _mm_unpacklo_epi16(in13, in19);
- const __m128i hi_13_19 = _mm_unpackhi_epi16(in13, in19);
- const __m128i lo_29_3 = _mm_unpacklo_epi16(in29, in3);
- const __m128i hi_29_3 = _mm_unpackhi_epi16(in29, in3);
-
- MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0,
- stg1_1, stg1_2, stg1_3, stp1_16, stp1_31,
- stp1_17, stp1_30)
- MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4,
- stg1_5, stg1_6, stg1_7, stp1_18, stp1_29,
- stp1_19, stp1_28)
- MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8,
- stg1_9, stg1_10, stg1_11, stp1_20, stp1_27,
- stp1_21, stp1_26)
- MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12,
- stg1_13, stg1_14, stg1_15, stp1_22, stp1_25,
- stp1_23, stp1_24)
- }
-
- // Stage2
- {- const __m128i lo_2_30 = _mm_unpacklo_epi16(in2, in30);
- const __m128i hi_2_30 = _mm_unpackhi_epi16(in2, in30);
- const __m128i lo_18_14 = _mm_unpacklo_epi16(in18, in14);
- const __m128i hi_18_14 = _mm_unpackhi_epi16(in18, in14);
-
- const __m128i lo_10_22 = _mm_unpacklo_epi16(in10, in22);
- const __m128i hi_10_22 = _mm_unpackhi_epi16(in10, in22);
- const __m128i lo_26_6 = _mm_unpacklo_epi16(in26, in6);
- const __m128i hi_26_6 = _mm_unpackhi_epi16(in26, in6);
-
- MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0,
- stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9,
- stp2_14)
- MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4,
- stg2_5, stg2_6, stg2_7, stp2_10, stp2_13,
- stp2_11, stp2_12)
-
- stp2_16 = _mm_add_epi16(stp1_16, stp1_17);
- stp2_17 = _mm_sub_epi16(stp1_16, stp1_17);
- stp2_18 = _mm_sub_epi16(stp1_19, stp1_18);
- stp2_19 = _mm_add_epi16(stp1_19, stp1_18);
-
- stp2_20 = _mm_add_epi16(stp1_20, stp1_21);
- stp2_21 = _mm_sub_epi16(stp1_20, stp1_21);
- stp2_22 = _mm_sub_epi16(stp1_23, stp1_22);
- stp2_23 = _mm_add_epi16(stp1_23, stp1_22);
-
- stp2_24 = _mm_add_epi16(stp1_24, stp1_25);
- stp2_25 = _mm_sub_epi16(stp1_24, stp1_25);
- stp2_26 = _mm_sub_epi16(stp1_27, stp1_26);
- stp2_27 = _mm_add_epi16(stp1_27, stp1_26);
-
- stp2_28 = _mm_add_epi16(stp1_28, stp1_29);
- stp2_29 = _mm_sub_epi16(stp1_28, stp1_29);
- stp2_30 = _mm_sub_epi16(stp1_31, stp1_30);
- stp2_31 = _mm_add_epi16(stp1_31, stp1_30);
- }
-
- // Stage3
- {- const __m128i lo_4_28 = _mm_unpacklo_epi16(in4, in28);
- const __m128i hi_4_28 = _mm_unpackhi_epi16(in4, in28);
- const __m128i lo_20_12 = _mm_unpacklo_epi16(in20, in12);
- const __m128i hi_20_12 = _mm_unpackhi_epi16(in20, in12);
-
- const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30);
- const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30);
- const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29);
- const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29);
-
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
- const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25);
- const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25);
-
- MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0,
- stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5,
- stp1_6)
-
- stp1_8 = _mm_add_epi16(stp2_8, stp2_9);
- stp1_9 = _mm_sub_epi16(stp2_8, stp2_9);
- stp1_10 = _mm_sub_epi16(stp2_11, stp2_10);
- stp1_11 = _mm_add_epi16(stp2_11, stp2_10);
- stp1_12 = _mm_add_epi16(stp2_12, stp2_13);
- stp1_13 = _mm_sub_epi16(stp2_12, stp2_13);
- stp1_14 = _mm_sub_epi16(stp2_15, stp2_14);
- stp1_15 = _mm_add_epi16(stp2_15, stp2_14);
-
- MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4,
- stg3_5, stg3_6, stg3_4, stp1_17, stp1_30,
- stp1_18, stp1_29)
- MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8,
- stg3_9, stg3_10, stg3_8, stp1_21, stp1_26,
- stp1_22, stp1_25)
-
- stp1_16 = stp2_16;
- stp1_31 = stp2_31;
- stp1_19 = stp2_19;
- stp1_20 = stp2_20;
- stp1_23 = stp2_23;
- stp1_24 = stp2_24;
- stp1_27 = stp2_27;
- stp1_28 = stp2_28;
- }
-
- // Stage4
- {- const __m128i lo_0_16 = _mm_unpacklo_epi16(in0, in16);
- const __m128i hi_0_16 = _mm_unpackhi_epi16(in0, in16);
- const __m128i lo_8_24 = _mm_unpacklo_epi16(in8, in24);
- const __m128i hi_8_24 = _mm_unpackhi_epi16(in8, in24);
-
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
- const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14);
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
-
- MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0,
- stg4_1, stg4_2, stg4_3, stp2_0, stp2_1,
- stp2_2, stp2_3)
-
- stp2_4 = _mm_add_epi16(stp1_4, stp1_5);
- stp2_5 = _mm_sub_epi16(stp1_4, stp1_5);
- stp2_6 = _mm_sub_epi16(stp1_7, stp1_6);
- stp2_7 = _mm_add_epi16(stp1_7, stp1_6);
-
- MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4,
- stg4_5, stg4_6, stg4_4, stp2_9, stp2_14,
- stp2_10, stp2_13)
-
- stp2_8 = stp1_8;
- stp2_15 = stp1_15;
- stp2_11 = stp1_11;
- stp2_12 = stp1_12;
-
- stp2_16 = _mm_add_epi16(stp1_16, stp1_19);
- stp2_17 = _mm_add_epi16(stp1_17, stp1_18);
- stp2_18 = _mm_sub_epi16(stp1_17, stp1_18);
- stp2_19 = _mm_sub_epi16(stp1_16, stp1_19);
- stp2_20 = _mm_sub_epi16(stp1_23, stp1_20);
- stp2_21 = _mm_sub_epi16(stp1_22, stp1_21);
- stp2_22 = _mm_add_epi16(stp1_22, stp1_21);
- stp2_23 = _mm_add_epi16(stp1_23, stp1_20);
-
- stp2_24 = _mm_add_epi16(stp1_24, stp1_27);
- stp2_25 = _mm_add_epi16(stp1_25, stp1_26);
- stp2_26 = _mm_sub_epi16(stp1_25, stp1_26);
- stp2_27 = _mm_sub_epi16(stp1_24, stp1_27);
- stp2_28 = _mm_sub_epi16(stp1_31, stp1_28);
- stp2_29 = _mm_sub_epi16(stp1_30, stp1_29);
- stp2_30 = _mm_add_epi16(stp1_29, stp1_30);
- stp2_31 = _mm_add_epi16(stp1_28, stp1_31);
- }
-
- // Stage5
- {- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
- const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5);
- const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29);
- const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29);
-
- const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28);
- const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28);
- const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27);
- const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27);
-
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
-
- stp1_0 = _mm_add_epi16(stp2_0, stp2_3);
- stp1_1 = _mm_add_epi16(stp2_1, stp2_2);
- stp1_2 = _mm_sub_epi16(stp2_1, stp2_2);
- stp1_3 = _mm_sub_epi16(stp2_0, stp2_3);
-
- tmp0 = _mm_madd_epi16(lo_6_5, stg4_1);
- tmp1 = _mm_madd_epi16(hi_6_5, stg4_1);
- tmp2 = _mm_madd_epi16(lo_6_5, stg4_0);
- tmp3 = _mm_madd_epi16(hi_6_5, stg4_0);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp1 = _mm_add_epi32(tmp1, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp3 = _mm_add_epi32(tmp3, rounding);
-
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
-
- stp1_5 = _mm_packs_epi32(tmp0, tmp1);
- stp1_6 = _mm_packs_epi32(tmp2, tmp3);
-
- stp1_4 = stp2_4;
- stp1_7 = stp2_7;
-
- stp1_8 = _mm_add_epi16(stp2_8, stp2_11);
- stp1_9 = _mm_add_epi16(stp2_9, stp2_10);
- stp1_10 = _mm_sub_epi16(stp2_9, stp2_10);
- stp1_11 = _mm_sub_epi16(stp2_8, stp2_11);
- stp1_12 = _mm_sub_epi16(stp2_15, stp2_12);
- stp1_13 = _mm_sub_epi16(stp2_14, stp2_13);
- stp1_14 = _mm_add_epi16(stp2_14, stp2_13);
- stp1_15 = _mm_add_epi16(stp2_15, stp2_12);
-
- stp1_16 = stp2_16;
- stp1_17 = stp2_17;
-
- MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4,
- stg4_5, stg4_4, stg4_5, stp1_18, stp1_29,
- stp1_19, stp1_28)
- MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6,
- stg4_4, stg4_6, stg4_4, stp1_20, stp1_27,
- stp1_21, stp1_26)
-
- stp1_22 = stp2_22;
- stp1_23 = stp2_23;
- stp1_24 = stp2_24;
- stp1_25 = stp2_25;
- stp1_30 = stp2_30;
- stp1_31 = stp2_31;
- }
-
- // Stage6
- {- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
- const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12);
-
- stp2_0 = _mm_add_epi16(stp1_0, stp1_7);
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6);
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
- stp2_3 = _mm_add_epi16(stp1_3, stp1_4);
- stp2_4 = _mm_sub_epi16(stp1_3, stp1_4);
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6);
- stp2_7 = _mm_sub_epi16(stp1_0, stp1_7);
-
- stp2_8 = stp1_8;
- stp2_9 = stp1_9;
- stp2_14 = stp1_14;
- stp2_15 = stp1_15;
-
- MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12,
- stg6_0, stg4_0, stg6_0, stg4_0, stp2_10,
- stp2_13, stp2_11, stp2_12)
-
- stp2_16 = _mm_add_epi16(stp1_16, stp1_23);
- stp2_17 = _mm_add_epi16(stp1_17, stp1_22);
- stp2_18 = _mm_add_epi16(stp1_18, stp1_21);
- stp2_19 = _mm_add_epi16(stp1_19, stp1_20);
- stp2_20 = _mm_sub_epi16(stp1_19, stp1_20);
- stp2_21 = _mm_sub_epi16(stp1_18, stp1_21);
- stp2_22 = _mm_sub_epi16(stp1_17, stp1_22);
- stp2_23 = _mm_sub_epi16(stp1_16, stp1_23);
-
- stp2_24 = _mm_sub_epi16(stp1_31, stp1_24);
- stp2_25 = _mm_sub_epi16(stp1_30, stp1_25);
- stp2_26 = _mm_sub_epi16(stp1_29, stp1_26);
- stp2_27 = _mm_sub_epi16(stp1_28, stp1_27);
- stp2_28 = _mm_add_epi16(stp1_27, stp1_28);
- stp2_29 = _mm_add_epi16(stp1_26, stp1_29);
- stp2_30 = _mm_add_epi16(stp1_25, stp1_30);
- stp2_31 = _mm_add_epi16(stp1_24, stp1_31);
- }
-
- // Stage7
- {- const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27);
- const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27);
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
-
- const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25);
- const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25);
- const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24);
- const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24);
-
- stp1_0 = _mm_add_epi16(stp2_0, stp2_15);
- stp1_1 = _mm_add_epi16(stp2_1, stp2_14);
- stp1_2 = _mm_add_epi16(stp2_2, stp2_13);
- stp1_3 = _mm_add_epi16(stp2_3, stp2_12);
- stp1_4 = _mm_add_epi16(stp2_4, stp2_11);
- stp1_5 = _mm_add_epi16(stp2_5, stp2_10);
- stp1_6 = _mm_add_epi16(stp2_6, stp2_9);
- stp1_7 = _mm_add_epi16(stp2_7, stp2_8);
- stp1_8 = _mm_sub_epi16(stp2_7, stp2_8);
- stp1_9 = _mm_sub_epi16(stp2_6, stp2_9);
- stp1_10 = _mm_sub_epi16(stp2_5, stp2_10);
- stp1_11 = _mm_sub_epi16(stp2_4, stp2_11);
- stp1_12 = _mm_sub_epi16(stp2_3, stp2_12);
- stp1_13 = _mm_sub_epi16(stp2_2, stp2_13);
- stp1_14 = _mm_sub_epi16(stp2_1, stp2_14);
- stp1_15 = _mm_sub_epi16(stp2_0, stp2_15);
-
- stp1_16 = stp2_16;
- stp1_17 = stp2_17;
- stp1_18 = stp2_18;
- stp1_19 = stp2_19;
-
- MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0,
- stg4_0, stg6_0, stg4_0, stp1_20, stp1_27,
- stp1_21, stp1_26)
- MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0,
- stg4_0, stg6_0, stg4_0, stp1_22, stp1_25,
- stp1_23, stp1_24)
-
- stp1_28 = stp2_28;
- stp1_29 = stp2_29;
- stp1_30 = stp2_30;
- stp1_31 = stp2_31;
- }
-
- // final stage
- if (i < 4) {- // 1_D: Store 32 intermediate results for each 8x32 block.
- col[i * 32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
- col[i * 32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
- col[i * 32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
- col[i * 32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
- col[i * 32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
- col[i * 32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
- col[i * 32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
- col[i * 32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
- col[i * 32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
- col[i * 32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
- col[i * 32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
- col[i * 32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
- col[i * 32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
- col[i * 32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
- col[i * 32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
- col[i * 32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
- col[i * 32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
- col[i * 32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
- col[i * 32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
- col[i * 32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
- col[i * 32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
- col[i * 32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
- col[i * 32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
- col[i * 32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
- col[i * 32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
- col[i * 32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
- col[i * 32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
- col[i * 32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
- col[i * 32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
- col[i * 32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
- col[i * 32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
- col[i * 32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
- } else {- // 2_D: Calculate the results and store them to destination.
- in0 = _mm_add_epi16(stp1_0, stp1_31);
- in1 = _mm_add_epi16(stp1_1, stp1_30);
- in2 = _mm_add_epi16(stp1_2, stp1_29);
- in3 = _mm_add_epi16(stp1_3, stp1_28);
- in4 = _mm_add_epi16(stp1_4, stp1_27);
- in5 = _mm_add_epi16(stp1_5, stp1_26);
- in6 = _mm_add_epi16(stp1_6, stp1_25);
- in7 = _mm_add_epi16(stp1_7, stp1_24);
- in8 = _mm_add_epi16(stp1_8, stp1_23);
- in9 = _mm_add_epi16(stp1_9, stp1_22);
- in10 = _mm_add_epi16(stp1_10, stp1_21);
- in11 = _mm_add_epi16(stp1_11, stp1_20);
- in12 = _mm_add_epi16(stp1_12, stp1_19);
- in13 = _mm_add_epi16(stp1_13, stp1_18);
- in14 = _mm_add_epi16(stp1_14, stp1_17);
- in15 = _mm_add_epi16(stp1_15, stp1_16);
- in16 = _mm_sub_epi16(stp1_15, stp1_16);
- in17 = _mm_sub_epi16(stp1_14, stp1_17);
- in18 = _mm_sub_epi16(stp1_13, stp1_18);
- in19 = _mm_sub_epi16(stp1_12, stp1_19);
- in20 = _mm_sub_epi16(stp1_11, stp1_20);
- in21 = _mm_sub_epi16(stp1_10, stp1_21);
- in22 = _mm_sub_epi16(stp1_9, stp1_22);
- in23 = _mm_sub_epi16(stp1_8, stp1_23);
- in24 = _mm_sub_epi16(stp1_7, stp1_24);
- in25 = _mm_sub_epi16(stp1_6, stp1_25);
- in26 = _mm_sub_epi16(stp1_5, stp1_26);
- in27 = _mm_sub_epi16(stp1_4, stp1_27);
- in28 = _mm_sub_epi16(stp1_3, stp1_28);
- in29 = _mm_sub_epi16(stp1_2, stp1_29);
- in30 = _mm_sub_epi16(stp1_1, stp1_30);
- in31 = _mm_sub_epi16(stp1_0, stp1_31);
-
- // Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
- in8 = _mm_adds_epi16(in8, final_rounding);
- in9 = _mm_adds_epi16(in9, final_rounding);
- in10 = _mm_adds_epi16(in10, final_rounding);
- in11 = _mm_adds_epi16(in11, final_rounding);
- in12 = _mm_adds_epi16(in12, final_rounding);
- in13 = _mm_adds_epi16(in13, final_rounding);
- in14 = _mm_adds_epi16(in14, final_rounding);
- in15 = _mm_adds_epi16(in15, final_rounding);
- in16 = _mm_adds_epi16(in16, final_rounding);
- in17 = _mm_adds_epi16(in17, final_rounding);
- in18 = _mm_adds_epi16(in18, final_rounding);
- in19 = _mm_adds_epi16(in19, final_rounding);
- in20 = _mm_adds_epi16(in20, final_rounding);
- in21 = _mm_adds_epi16(in21, final_rounding);
- in22 = _mm_adds_epi16(in22, final_rounding);
- in23 = _mm_adds_epi16(in23, final_rounding);
- in24 = _mm_adds_epi16(in24, final_rounding);
- in25 = _mm_adds_epi16(in25, final_rounding);
- in26 = _mm_adds_epi16(in26, final_rounding);
- in27 = _mm_adds_epi16(in27, final_rounding);
- in28 = _mm_adds_epi16(in28, final_rounding);
- in29 = _mm_adds_epi16(in29, final_rounding);
- in30 = _mm_adds_epi16(in30, final_rounding);
- in31 = _mm_adds_epi16(in31, final_rounding);
-
- in0 = _mm_srai_epi16(in0, 6);
- in1 = _mm_srai_epi16(in1, 6);
- in2 = _mm_srai_epi16(in2, 6);
- in3 = _mm_srai_epi16(in3, 6);
- in4 = _mm_srai_epi16(in4, 6);
- in5 = _mm_srai_epi16(in5, 6);
- in6 = _mm_srai_epi16(in6, 6);
- in7 = _mm_srai_epi16(in7, 6);
- in8 = _mm_srai_epi16(in8, 6);
- in9 = _mm_srai_epi16(in9, 6);
- in10 = _mm_srai_epi16(in10, 6);
- in11 = _mm_srai_epi16(in11, 6);
- in12 = _mm_srai_epi16(in12, 6);
- in13 = _mm_srai_epi16(in13, 6);
- in14 = _mm_srai_epi16(in14, 6);
- in15 = _mm_srai_epi16(in15, 6);
- in16 = _mm_srai_epi16(in16, 6);
- in17 = _mm_srai_epi16(in17, 6);
- in18 = _mm_srai_epi16(in18, 6);
- in19 = _mm_srai_epi16(in19, 6);
- in20 = _mm_srai_epi16(in20, 6);
- in21 = _mm_srai_epi16(in21, 6);
- in22 = _mm_srai_epi16(in22, 6);
- in23 = _mm_srai_epi16(in23, 6);
- in24 = _mm_srai_epi16(in24, 6);
- in25 = _mm_srai_epi16(in25, 6);
- in26 = _mm_srai_epi16(in26, 6);
- in27 = _mm_srai_epi16(in27, 6);
- in28 = _mm_srai_epi16(in28, 6);
- in29 = _mm_srai_epi16(in29, 6);
- in30 = _mm_srai_epi16(in30, 6);
- in31 = _mm_srai_epi16(in31, 6);
-
- // Store results
- _mm_store_si128((__m128i *)output, in0);
- _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
- _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
- _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
- _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
- _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
- _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
- _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
- _mm_store_si128((__m128i *)(output + half_pitch * 8), in8);
- _mm_store_si128((__m128i *)(output + half_pitch * 9), in9);
- _mm_store_si128((__m128i *)(output + half_pitch * 10), in10);
- _mm_store_si128((__m128i *)(output + half_pitch * 11), in11);
- _mm_store_si128((__m128i *)(output + half_pitch * 12), in12);
- _mm_store_si128((__m128i *)(output + half_pitch * 13), in13);
- _mm_store_si128((__m128i *)(output + half_pitch * 14), in14);
- _mm_store_si128((__m128i *)(output + half_pitch * 15), in15);
- _mm_store_si128((__m128i *)(output + half_pitch * 16), in16);
- _mm_store_si128((__m128i *)(output + half_pitch * 17), in17);
- _mm_store_si128((__m128i *)(output + half_pitch * 18), in18);
- _mm_store_si128((__m128i *)(output + half_pitch * 19), in19);
- _mm_store_si128((__m128i *)(output + half_pitch * 20), in20);
- _mm_store_si128((__m128i *)(output + half_pitch * 21), in21);
- _mm_store_si128((__m128i *)(output + half_pitch * 22), in22);
- _mm_store_si128((__m128i *)(output + half_pitch * 23), in23);
- _mm_store_si128((__m128i *)(output + half_pitch * 24), in24);
- _mm_store_si128((__m128i *)(output + half_pitch * 25), in25);
- _mm_store_si128((__m128i *)(output + half_pitch * 26), in26);
- _mm_store_si128((__m128i *)(output + half_pitch * 27), in27);
- _mm_store_si128((__m128i *)(output + half_pitch * 28), in28);
- _mm_store_si128((__m128i *)(output + half_pitch * 29), in29);
- _mm_store_si128((__m128i *)(output + half_pitch * 30), in30);
- _mm_store_si128((__m128i *)(output + half_pitch * 31), in31);
-
- output += 8;
- }
- }
-}
-#endif
--- a/vp9/common/x86/vp9_idct_x86.h
+++ /dev/null
@@ -1,51 +1,0 @@
-/*
- * Copyright (c) 2010 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.
- */
-
-
-#ifndef VP9_COMMON_X86_VP9_IDCT_X86_H_
-#define VP9_COMMON_X86_VP9_IDCT_X86_H_
-
-/* Note:
- *
- * This platform is commonly built for runtime CPU detection. If you modify
- * any of the function mappings present in this file, be sure to also update
- * them in the function pointer initialization code
- */
-
-#if HAVE_MMX
-extern prototype_second_order(vp9_short_inv_walsh4x4_mmx);
-extern prototype_second_order(vp9_short_inv_walsh4x4_1_mmx);
-
-#if !CONFIG_RUNTIME_CPU_DETECT
-#undef vp9_idct_iwalsh16
-#define vp9_idct_iwalsh16 vp9_short_inv_walsh4x4_mmx
-
-#undef vp9_idct_iwalsh1
-#define vp9_idct_iwalsh1 vp9_short_inv_walsh4x4_1_mmx
-
-#endif
-#endif
-
-#if HAVE_SSE2
-
-extern prototype_second_order(vp9_short_inv_walsh4x4_sse2);
-
-#if !CONFIG_RUNTIME_CPU_DETECT
-
-#undef vp9_idct_iwalsh16
-#define vp9_idct_iwalsh16 vp9_short_inv_walsh4x4_sse2
-
-#endif
-
-#endif
-
-
-
-#endif
--- a/vp9/vp9_common.mk
+++ b/vp9/vp9_common.mk
@@ -82,7 +82,6 @@
VP9_COMMON_SRCS-yes += common/vp9_treecoder.c
VP9_COMMON_SRCS-$(CONFIG_IMPLICIT_SEGMENTATION) += common/vp9_implicit_segmentation.c
-VP9_COMMON_SRCS-$(ARCH_X86)$(ARCH_X86_64) += common/x86/vp9_idct_x86.h
VP9_COMMON_SRCS-$(ARCH_X86)$(ARCH_X86_64) += common/x86/vp9_loopfilter_x86.h
VP9_COMMON_SRCS-$(ARCH_X86)$(ARCH_X86_64) += common/x86/vp9_postproc_x86.h
VP9_COMMON_SRCS-$(ARCH_X86)$(ARCH_X86_64) += common/x86/vp9_asm_stubs.c
@@ -112,13 +111,13 @@
VP9_COMMON_SRCS-$(HAVE_SSE3) += common/x86/vp9_mask_sse3.asm
endif
-VP9_COMMON_SRCS-$(ARCH_X86)$(ARCH_X86_64) += common/x86/vp9_idct_x86.c
+VP9_COMMON_SRCS-$(HAVE_SSE2) += common/x86/vp9_idct_intrin_sse2.c
VP9_COMMON_SRCS-$(HAVE_SSE2) += common/x86/vp9_sadmxn_sse2.c
ifeq ($(HAVE_SSE2),yes)
-vp9/common/x86/vp9_idct_x86.c.o: CFLAGS += -msse2
+vp9/common/x86/vp9_idct_intrin_sse2.c.o: CFLAGS += -msse2
vp9/common/x86/vp9_loopfilter_intrin_sse2.c.o: CFLAGS += -msse2
vp9/common/x86/vp9_sadmxn_sse2.c.o: CFLAGS += -msse2
-vp9/common/x86/vp9_idct_x86.c.d: CFLAGS += -msse2
+vp9/common/x86/vp9_idct_intrin_sse2.c.d: CFLAGS += -msse2
vp9/common/x86/vp9_loopfilter_intrin_sse2.c.d: CFLAGS += -msse2
vp9/common/x86/vp9_sadmxn_sse2.c.d: CFLAGS += -msse2
endif
--
⑨