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media/libvpx/vp9/common/x86/vp9_idct_intrin_sse2.c@6474c204b198 (annotated)

media/libvpx/vp9/common/x86/vp9_idct_intrin_sse2.c

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/*
michael@0	2	* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
michael@0	3	*
michael@0	4	* Use of this source code is governed by a BSD-style license
michael@0	5	* that can be found in the LICENSE file in the root of the source
michael@0	6	* tree. An additional intellectual property rights grant can be found
michael@0	7	* in the file PATENTS. All contributing project authors may
michael@0	8	* be found in the AUTHORS file in the root of the source tree.
michael@0	9	*/
michael@0	10
michael@0	11	#include <assert.h>
michael@0	12	#include <emmintrin.h> // SSE2
michael@0	13	#include "./vpx_config.h"
michael@0	14	#include "vpx/vpx_integer.h"
michael@0	15	#include "vp9/common/vp9_common.h"
michael@0	16	#include "vp9/common/vp9_idct.h"
michael@0	17
michael@0	18	#define RECON_AND_STORE4X4(dest, in_x) \
michael@0	19	{ \
michael@0	20	__m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest)); \
michael@0	21	d0 = _mm_unpacklo_epi8(d0, zero); \
michael@0	22	d0 = _mm_add_epi16(in_x, d0); \
michael@0	23	d0 = _mm_packus_epi16(d0, d0); \
michael@0	24	*(int *)dest = _mm_cvtsi128_si32(d0); \
michael@0	25	dest += stride; \
michael@0	26	}
michael@0	27
michael@0	28	void vp9_idct4x4_16_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
michael@0	29	const __m128i zero = _mm_setzero_si128();
michael@0	30	const __m128i eight = _mm_set1_epi16(8);
michael@0	31	const __m128i cst = _mm_setr_epi16((int16_t)cospi_16_64, (int16_t)cospi_16_64,
michael@0	32	(int16_t)cospi_16_64, (int16_t)-cospi_16_64,
michael@0	33	(int16_t)cospi_24_64, (int16_t)-cospi_8_64,
michael@0	34	(int16_t)cospi_8_64, (int16_t)cospi_24_64);
michael@0	35	const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	36	__m128i input0, input1, input2, input3;
michael@0	37
michael@0	38	// Rows
michael@0	39	input0 = _mm_load_si128((const __m128i *)input);
michael@0	40	input2 = _mm_load_si128((const __m128i *)(input + 8));
michael@0	41
michael@0	42	// Construct i3, i1, i3, i1, i2, i0, i2, i0
michael@0	43	input0 = _mm_shufflelo_epi16(input0, 0xd8);
michael@0	44	input0 = _mm_shufflehi_epi16(input0, 0xd8);
michael@0	45	input2 = _mm_shufflelo_epi16(input2, 0xd8);
michael@0	46	input2 = _mm_shufflehi_epi16(input2, 0xd8);
michael@0	47
michael@0	48	input1 = _mm_unpackhi_epi32(input0, input0);
michael@0	49	input0 = _mm_unpacklo_epi32(input0, input0);
michael@0	50	input3 = _mm_unpackhi_epi32(input2, input2);
michael@0	51	input2 = _mm_unpacklo_epi32(input2, input2);
michael@0	52
michael@0	53	// Stage 1
michael@0	54	input0 = _mm_madd_epi16(input0, cst);
michael@0	55	input1 = _mm_madd_epi16(input1, cst);
michael@0	56	input2 = _mm_madd_epi16(input2, cst);
michael@0	57	input3 = _mm_madd_epi16(input3, cst);
michael@0	58
michael@0	59	input0 = _mm_add_epi32(input0, rounding);
michael@0	60	input1 = _mm_add_epi32(input1, rounding);
michael@0	61	input2 = _mm_add_epi32(input2, rounding);
michael@0	62	input3 = _mm_add_epi32(input3, rounding);
michael@0	63
michael@0	64	input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
michael@0	65	input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
michael@0	66	input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
michael@0	67	input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
michael@0	68
michael@0	69	// Stage 2
michael@0	70	input0 = _mm_packs_epi32(input0, input1);
michael@0	71	input1 = _mm_packs_epi32(input2, input3);
michael@0	72
michael@0	73	// Transpose
michael@0	74	input2 = _mm_unpacklo_epi16(input0, input1);
michael@0	75	input3 = _mm_unpackhi_epi16(input0, input1);
michael@0	76	input0 = _mm_unpacklo_epi32(input2, input3);
michael@0	77	input1 = _mm_unpackhi_epi32(input2, input3);
michael@0	78
michael@0	79	// Switch column2, column 3, and then, we got:
michael@0	80	// input2: column1, column 0; input3: column2, column 3.
michael@0	81	input1 = _mm_shuffle_epi32(input1, 0x4e);
michael@0	82	input2 = _mm_add_epi16(input0, input1);
michael@0	83	input3 = _mm_sub_epi16(input0, input1);
michael@0	84
michael@0	85	// Columns
michael@0	86	// Construct i3, i1, i3, i1, i2, i0, i2, i0
michael@0	87	input0 = _mm_unpacklo_epi32(input2, input2);
michael@0	88	input1 = _mm_unpackhi_epi32(input2, input2);
michael@0	89	input2 = _mm_unpackhi_epi32(input3, input3);
michael@0	90	input3 = _mm_unpacklo_epi32(input3, input3);
michael@0	91
michael@0	92	// Stage 1
michael@0	93	input0 = _mm_madd_epi16(input0, cst);
michael@0	94	input1 = _mm_madd_epi16(input1, cst);
michael@0	95	input2 = _mm_madd_epi16(input2, cst);
michael@0	96	input3 = _mm_madd_epi16(input3, cst);
michael@0	97
michael@0	98	input0 = _mm_add_epi32(input0, rounding);
michael@0	99	input1 = _mm_add_epi32(input1, rounding);
michael@0	100	input2 = _mm_add_epi32(input2, rounding);
michael@0	101	input3 = _mm_add_epi32(input3, rounding);
michael@0	102
michael@0	103	input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
michael@0	104	input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
michael@0	105	input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
michael@0	106	input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
michael@0	107
michael@0	108	// Stage 2
michael@0	109	input0 = _mm_packs_epi32(input0, input2);
michael@0	110	input1 = _mm_packs_epi32(input1, input3);
michael@0	111
michael@0	112	// Transpose
michael@0	113	input2 = _mm_unpacklo_epi16(input0, input1);
michael@0	114	input3 = _mm_unpackhi_epi16(input0, input1);
michael@0	115	input0 = _mm_unpacklo_epi32(input2, input3);
michael@0	116	input1 = _mm_unpackhi_epi32(input2, input3);
michael@0	117
michael@0	118	// Switch column2, column 3, and then, we got:
michael@0	119	// input2: column1, column 0; input3: column2, column 3.
michael@0	120	input1 = _mm_shuffle_epi32(input1, 0x4e);
michael@0	121	input2 = _mm_add_epi16(input0, input1);
michael@0	122	input3 = _mm_sub_epi16(input0, input1);
michael@0	123
michael@0	124	// Final round and shift
michael@0	125	input2 = _mm_add_epi16(input2, eight);
michael@0	126	input3 = _mm_add_epi16(input3, eight);
michael@0	127
michael@0	128	input2 = _mm_srai_epi16(input2, 4);
michael@0	129	input3 = _mm_srai_epi16(input3, 4);
michael@0	130
michael@0	131	// Reconstruction and Store
michael@0	132	{
michael@0	133	__m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest));
michael@0	134	__m128i d2 = _mm_cvtsi32_si128(*(const int *)(dest + stride * 2));
michael@0	135	d0 = _mm_unpacklo_epi32(d0,
michael@0	136	_mm_cvtsi32_si128(*(const int *) (dest + stride)));
michael@0	137	d2 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(
michael@0	138	*(const int *) (dest + stride * 3)), d2);
michael@0	139	d0 = _mm_unpacklo_epi8(d0, zero);
michael@0	140	d2 = _mm_unpacklo_epi8(d2, zero);
michael@0	141	d0 = _mm_add_epi16(d0, input2);
michael@0	142	d2 = _mm_add_epi16(d2, input3);
michael@0	143	d0 = _mm_packus_epi16(d0, d2);
michael@0	144	// store input0
michael@0	145	*(int *)dest = _mm_cvtsi128_si32(d0);
michael@0	146	// store input1
michael@0	147	d0 = _mm_srli_si128(d0, 4);
michael@0	148	*(int *)(dest + stride) = _mm_cvtsi128_si32(d0);
michael@0	149	// store input2
michael@0	150	d0 = _mm_srli_si128(d0, 4);
michael@0	151	*(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d0);
michael@0	152	// store input3
michael@0	153	d0 = _mm_srli_si128(d0, 4);
michael@0	154	*(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d0);
michael@0	155	}
michael@0	156	}
michael@0	157
michael@0	158	void vp9_idct4x4_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
michael@0	159	__m128i dc_value;
michael@0	160	const __m128i zero = _mm_setzero_si128();
michael@0	161	int a;
michael@0	162
michael@0	163	a = dct_const_round_shift(input[0] * cospi_16_64);
michael@0	164	a = dct_const_round_shift(a * cospi_16_64);
michael@0	165	a = ROUND_POWER_OF_TWO(a, 4);
michael@0	166
michael@0	167	dc_value = _mm_set1_epi16(a);
michael@0	168
michael@0	169	RECON_AND_STORE4X4(dest, dc_value);
michael@0	170	RECON_AND_STORE4X4(dest, dc_value);
michael@0	171	RECON_AND_STORE4X4(dest, dc_value);
michael@0	172	RECON_AND_STORE4X4(dest, dc_value);
michael@0	173	}
michael@0	174
michael@0	175	static INLINE void transpose_4x4(__m128i *res) {
michael@0	176	const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
michael@0	177	const __m128i tr0_1 = _mm_unpacklo_epi16(res[2], res[3]);
michael@0	178	res[0] = _mm_unpacklo_epi32(tr0_0, tr0_1);
michael@0	179	res[2] = _mm_unpackhi_epi32(tr0_0, tr0_1);
michael@0	180
michael@0	181	res[1] = _mm_unpackhi_epi64(res[0], res[0]);
michael@0	182	res[3] = _mm_unpackhi_epi64(res[2], res[2]);
michael@0	183	}
michael@0	184
michael@0	185	static void idct4_1d_sse2(__m128i *in) {
michael@0	186	const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64);
michael@0	187	const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	188	const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	189	const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	190	const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	191	__m128i u[8], v[8];
michael@0	192
michael@0	193	transpose_4x4(in);
michael@0	194	// stage 1
michael@0	195	u[0] = _mm_unpacklo_epi16(in[0], in[2]);
michael@0	196	u[1] = _mm_unpacklo_epi16(in[1], in[3]);
michael@0	197	v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
michael@0	198	v[1] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
michael@0	199	v[2] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
michael@0	200	v[3] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
michael@0	201
michael@0	202	u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
michael@0	203	u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
michael@0	204	u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
michael@0	205	u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
michael@0	206
michael@0	207	v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
michael@0	208	v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
michael@0	209	v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
michael@0	210	v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
michael@0	211
michael@0	212	u[0] = _mm_packs_epi32(v[0], v[2]);
michael@0	213	u[1] = _mm_packs_epi32(v[1], v[3]);
michael@0	214	u[2] = _mm_unpackhi_epi64(u[0], u[0]);
michael@0	215	u[3] = _mm_unpackhi_epi64(u[1], u[1]);
michael@0	216
michael@0	217	// stage 2
michael@0	218	in[0] = _mm_add_epi16(u[0], u[3]);
michael@0	219	in[1] = _mm_add_epi16(u[1], u[2]);
michael@0	220	in[2] = _mm_sub_epi16(u[1], u[2]);
michael@0	221	in[3] = _mm_sub_epi16(u[0], u[3]);
michael@0	222	}
michael@0	223
michael@0	224	static void iadst4_1d_sse2(__m128i *in) {
michael@0	225	const __m128i k__sinpi_p01_p04 = pair_set_epi16(sinpi_1_9, sinpi_4_9);
michael@0	226	const __m128i k__sinpi_p03_p02 = pair_set_epi16(sinpi_3_9, sinpi_2_9);
michael@0	227	const __m128i k__sinpi_p02_m01 = pair_set_epi16(sinpi_2_9, -sinpi_1_9);
michael@0	228	const __m128i k__sinpi_p03_m04 = pair_set_epi16(sinpi_3_9, -sinpi_4_9);
michael@0	229	const __m128i k__sinpi_p03_p03 = _mm_set1_epi16(sinpi_3_9);
michael@0	230	const __m128i kZero = _mm_set1_epi16(0);
michael@0	231	const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	232	__m128i u[8], v[8], in7;
michael@0	233
michael@0	234	transpose_4x4(in);
michael@0	235	in7 = _mm_add_epi16(in[0], in[3]);
michael@0	236	in7 = _mm_sub_epi16(in7, in[2]);
michael@0	237
michael@0	238	u[0] = _mm_unpacklo_epi16(in[0], in[2]);
michael@0	239	u[1] = _mm_unpacklo_epi16(in[1], in[3]);
michael@0	240	u[2] = _mm_unpacklo_epi16(in7, kZero);
michael@0	241	u[3] = _mm_unpacklo_epi16(in[1], kZero);
michael@0	242
michael@0	243	v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p04); // s0 + s3
michael@0	244	v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p02); // s2 + s5
michael@0	245	v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x2
michael@0	246	v[3] = _mm_madd_epi16(u[0], k__sinpi_p02_m01); // s1 - s4
michael@0	247	v[4] = _mm_madd_epi16(u[1], k__sinpi_p03_m04); // s2 - s6
michael@0	248	v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s2
michael@0	249
michael@0	250	u[0] = _mm_add_epi32(v[0], v[1]);
michael@0	251	u[1] = _mm_add_epi32(v[3], v[4]);
michael@0	252	u[2] = v[2];
michael@0	253	u[3] = _mm_add_epi32(u[0], u[1]);
michael@0	254	u[4] = _mm_slli_epi32(v[5], 2);
michael@0	255	u[5] = _mm_add_epi32(u[3], v[5]);
michael@0	256	u[6] = _mm_sub_epi32(u[5], u[4]);
michael@0	257
michael@0	258	v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
michael@0	259	v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
michael@0	260	v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
michael@0	261	v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
michael@0	262
michael@0	263	u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
michael@0	264	u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
michael@0	265	u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
michael@0	266	u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
michael@0	267
michael@0	268	in[0] = _mm_packs_epi32(u[0], u[2]);
michael@0	269	in[1] = _mm_packs_epi32(u[1], u[3]);
michael@0	270	in[2] = _mm_unpackhi_epi64(in[0], in[0]);
michael@0	271	in[3] = _mm_unpackhi_epi64(in[1], in[1]);
michael@0	272	}
michael@0	273
michael@0	274	void vp9_iht4x4_16_add_sse2(const int16_t *input, uint8_t *dest, int stride,
michael@0	275	int tx_type) {
michael@0	276	__m128i in[4];
michael@0	277	const __m128i zero = _mm_setzero_si128();
michael@0	278	const __m128i eight = _mm_set1_epi16(8);
michael@0	279
michael@0	280	in[0] = _mm_loadl_epi64((const __m128i *)input);
michael@0	281	in[1] = _mm_loadl_epi64((const __m128i *)(input + 4));
michael@0	282	in[2] = _mm_loadl_epi64((const __m128i *)(input + 8));
michael@0	283	in[3] = _mm_loadl_epi64((const __m128i *)(input + 12));
michael@0	284
michael@0	285	switch (tx_type) {
michael@0	286	case 0: // DCT_DCT
michael@0	287	idct4_1d_sse2(in);
michael@0	288	idct4_1d_sse2(in);
michael@0	289	break;
michael@0	290	case 1: // ADST_DCT
michael@0	291	idct4_1d_sse2(in);
michael@0	292	iadst4_1d_sse2(in);
michael@0	293	break;
michael@0	294	case 2: // DCT_ADST
michael@0	295	iadst4_1d_sse2(in);
michael@0	296	idct4_1d_sse2(in);
michael@0	297	break;
michael@0	298	case 3: // ADST_ADST
michael@0	299	iadst4_1d_sse2(in);
michael@0	300	iadst4_1d_sse2(in);
michael@0	301	break;
michael@0	302	default:
michael@0	303	assert(0);
michael@0	304	break;
michael@0	305	}
michael@0	306
michael@0	307	// Final round and shift
michael@0	308	in[0] = _mm_add_epi16(in[0], eight);
michael@0	309	in[1] = _mm_add_epi16(in[1], eight);
michael@0	310	in[2] = _mm_add_epi16(in[2], eight);
michael@0	311	in[3] = _mm_add_epi16(in[3], eight);
michael@0	312
michael@0	313	in[0] = _mm_srai_epi16(in[0], 4);
michael@0	314	in[1] = _mm_srai_epi16(in[1], 4);
michael@0	315	in[2] = _mm_srai_epi16(in[2], 4);
michael@0	316	in[3] = _mm_srai_epi16(in[3], 4);
michael@0	317
michael@0	318	RECON_AND_STORE4X4(dest, in[0]);
michael@0	319	RECON_AND_STORE4X4(dest, in[1]);
michael@0	320	RECON_AND_STORE4X4(dest, in[2]);
michael@0	321	RECON_AND_STORE4X4(dest, in[3]);
michael@0	322	}
michael@0	323
michael@0	324	#define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, \
michael@0	325	out0, out1, out2, out3, out4, out5, out6, out7) \
michael@0	326	{ \
michael@0	327	const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
michael@0	328	const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
michael@0	329	const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
michael@0	330	const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
michael@0	331	const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
michael@0	332	const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
michael@0	333	const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); \
michael@0	334	const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); \
michael@0	335	\
michael@0	336	const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
michael@0	337	const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); \
michael@0	338	const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
michael@0	339	const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); \
michael@0	340	const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
michael@0	341	const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); \
michael@0	342	const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
michael@0	343	const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); \
michael@0	344	\
michael@0	345	out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
michael@0	346	out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
michael@0	347	out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
michael@0	348	out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
michael@0	349	out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \
michael@0	350	out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \
michael@0	351	out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \
michael@0	352	out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
michael@0	353	}
michael@0	354
michael@0	355	#define TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, \
michael@0	356	out0, out1, out2, out3, out4, out5, out6, out7) \
michael@0	357	{ \
michael@0	358	const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
michael@0	359	const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
michael@0	360	const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
michael@0	361	const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
michael@0	362	\
michael@0	363	const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
michael@0	364	const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
michael@0	365	const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
michael@0	366	const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
michael@0	367	\
michael@0	368	out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
michael@0	369	out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
michael@0	370	out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
michael@0	371	out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
michael@0	372	out4 = out5 = out6 = out7 = zero; \
michael@0	373	}
michael@0	374
michael@0	375	#define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1, out2, out3) \
michael@0	376	{ \
michael@0	377	const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
michael@0	378	const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
michael@0	379	const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
michael@0	380	const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
michael@0	381	\
michael@0	382	in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \
michael@0	383	in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \
michael@0	384	in2 = _mm_unpacklo_epi32(tr0_2, tr0_3); /* i5 i4 */ \
michael@0	385	in3 = _mm_unpackhi_epi32(tr0_2, tr0_3); /* i7 i6 */ \
michael@0	386	}
michael@0	387
michael@0	388	// Define Macro for multiplying elements by constants and adding them together.
michael@0	389	#define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, \
michael@0	390	cst0, cst1, cst2, cst3, res0, res1, res2, res3) \
michael@0	391	{ \
michael@0	392	tmp0 = _mm_madd_epi16(lo_0, cst0); \
michael@0	393	tmp1 = _mm_madd_epi16(hi_0, cst0); \
michael@0	394	tmp2 = _mm_madd_epi16(lo_0, cst1); \
michael@0	395	tmp3 = _mm_madd_epi16(hi_0, cst1); \
michael@0	396	tmp4 = _mm_madd_epi16(lo_1, cst2); \
michael@0	397	tmp5 = _mm_madd_epi16(hi_1, cst2); \
michael@0	398	tmp6 = _mm_madd_epi16(lo_1, cst3); \
michael@0	399	tmp7 = _mm_madd_epi16(hi_1, cst3); \
michael@0	400	\
michael@0	401	tmp0 = _mm_add_epi32(tmp0, rounding); \
michael@0	402	tmp1 = _mm_add_epi32(tmp1, rounding); \
michael@0	403	tmp2 = _mm_add_epi32(tmp2, rounding); \
michael@0	404	tmp3 = _mm_add_epi32(tmp3, rounding); \
michael@0	405	tmp4 = _mm_add_epi32(tmp4, rounding); \
michael@0	406	tmp5 = _mm_add_epi32(tmp5, rounding); \
michael@0	407	tmp6 = _mm_add_epi32(tmp6, rounding); \
michael@0	408	tmp7 = _mm_add_epi32(tmp7, rounding); \
michael@0	409	\
michael@0	410	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
michael@0	411	tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
michael@0	412	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
michael@0	413	tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
michael@0	414	tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); \
michael@0	415	tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); \
michael@0	416	tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); \
michael@0	417	tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); \
michael@0	418	\
michael@0	419	res0 = _mm_packs_epi32(tmp0, tmp1); \
michael@0	420	res1 = _mm_packs_epi32(tmp2, tmp3); \
michael@0	421	res2 = _mm_packs_epi32(tmp4, tmp5); \
michael@0	422	res3 = _mm_packs_epi32(tmp6, tmp7); \
michael@0	423	}
michael@0	424
michael@0	425	#define IDCT8_1D \
michael@0	426	/* Stage1 */ \
michael@0	427	{ \
michael@0	428	const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
michael@0	429	const __m128i hi_17 = _mm_unpackhi_epi16(in1, in7); \
michael@0	430	const __m128i lo_35 = _mm_unpacklo_epi16(in3, in5); \
michael@0	431	const __m128i hi_35 = _mm_unpackhi_epi16(in3, in5); \
michael@0	432	\
michael@0	433	MULTIPLICATION_AND_ADD(lo_17, hi_17, lo_35, hi_35, stg1_0, \
michael@0	434	stg1_1, stg1_2, stg1_3, stp1_4, \
michael@0	435	stp1_7, stp1_5, stp1_6) \
michael@0	436	} \
michael@0	437	\
michael@0	438	/* Stage2 */ \
michael@0	439	{ \
michael@0	440	const __m128i lo_04 = _mm_unpacklo_epi16(in0, in4); \
michael@0	441	const __m128i hi_04 = _mm_unpackhi_epi16(in0, in4); \
michael@0	442	const __m128i lo_26 = _mm_unpacklo_epi16(in2, in6); \
michael@0	443	const __m128i hi_26 = _mm_unpackhi_epi16(in2, in6); \
michael@0	444	\
michael@0	445	MULTIPLICATION_AND_ADD(lo_04, hi_04, lo_26, hi_26, stg2_0, \
michael@0	446	stg2_1, stg2_2, stg2_3, stp2_0, \
michael@0	447	stp2_1, stp2_2, stp2_3) \
michael@0	448	\
michael@0	449	stp2_4 = _mm_adds_epi16(stp1_4, stp1_5); \
michael@0	450	stp2_5 = _mm_subs_epi16(stp1_4, stp1_5); \
michael@0	451	stp2_6 = _mm_subs_epi16(stp1_7, stp1_6); \
michael@0	452	stp2_7 = _mm_adds_epi16(stp1_7, stp1_6); \
michael@0	453	} \
michael@0	454	\
michael@0	455	/* Stage3 */ \
michael@0	456	{ \
michael@0	457	const __m128i lo_56 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
michael@0	458	const __m128i hi_56 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
michael@0	459	\
michael@0	460	stp1_0 = _mm_adds_epi16(stp2_0, stp2_3); \
michael@0	461	stp1_1 = _mm_adds_epi16(stp2_1, stp2_2); \
michael@0	462	stp1_2 = _mm_subs_epi16(stp2_1, stp2_2); \
michael@0	463	stp1_3 = _mm_subs_epi16(stp2_0, stp2_3); \
michael@0	464	\
michael@0	465	tmp0 = _mm_madd_epi16(lo_56, stg2_1); \
michael@0	466	tmp1 = _mm_madd_epi16(hi_56, stg2_1); \
michael@0	467	tmp2 = _mm_madd_epi16(lo_56, stg2_0); \
michael@0	468	tmp3 = _mm_madd_epi16(hi_56, stg2_0); \
michael@0	469	\
michael@0	470	tmp0 = _mm_add_epi32(tmp0, rounding); \
michael@0	471	tmp1 = _mm_add_epi32(tmp1, rounding); \
michael@0	472	tmp2 = _mm_add_epi32(tmp2, rounding); \
michael@0	473	tmp3 = _mm_add_epi32(tmp3, rounding); \
michael@0	474	\
michael@0	475	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
michael@0	476	tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
michael@0	477	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
michael@0	478	tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
michael@0	479	\
michael@0	480	stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
michael@0	481	stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
michael@0	482	} \
michael@0	483	\
michael@0	484	/* Stage4 */ \
michael@0	485	in0 = _mm_adds_epi16(stp1_0, stp2_7); \
michael@0	486	in1 = _mm_adds_epi16(stp1_1, stp1_6); \
michael@0	487	in2 = _mm_adds_epi16(stp1_2, stp1_5); \
michael@0	488	in3 = _mm_adds_epi16(stp1_3, stp2_4); \
michael@0	489	in4 = _mm_subs_epi16(stp1_3, stp2_4); \
michael@0	490	in5 = _mm_subs_epi16(stp1_2, stp1_5); \
michael@0	491	in6 = _mm_subs_epi16(stp1_1, stp1_6); \
michael@0	492	in7 = _mm_subs_epi16(stp1_0, stp2_7);
michael@0	493
michael@0	494	#define RECON_AND_STORE(dest, in_x) \
michael@0	495	{ \
michael@0	496	__m128i d0 = _mm_loadl_epi64((__m128i *)(dest)); \
michael@0	497	d0 = _mm_unpacklo_epi8(d0, zero); \
michael@0	498	d0 = _mm_add_epi16(in_x, d0); \
michael@0	499	d0 = _mm_packus_epi16(d0, d0); \
michael@0	500	_mm_storel_epi64((__m128i *)(dest), d0); \
michael@0	501	dest += stride; \
michael@0	502	}
michael@0	503
michael@0	504	void vp9_idct8x8_64_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
michael@0	505	const __m128i zero = _mm_setzero_si128();
michael@0	506	const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	507	const __m128i final_rounding = _mm_set1_epi16(1<<4);
michael@0	508	const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	509	const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	510	const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
michael@0	511	const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
michael@0	512	const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
michael@0	513	const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	514	const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	515	const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	516
michael@0	517	__m128i in0, in1, in2, in3, in4, in5, in6, in7;
michael@0	518	__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
michael@0	519	__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
michael@0	520	__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
michael@0	521	int i;
michael@0	522
michael@0	523	// Load input data.
michael@0	524	in0 = _mm_load_si128((const __m128i *)input);
michael@0	525	in1 = _mm_load_si128((const __m128i *)(input + 8 * 1));
michael@0	526	in2 = _mm_load_si128((const __m128i *)(input + 8 * 2));
michael@0	527	in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
michael@0	528	in4 = _mm_load_si128((const __m128i *)(input + 8 * 4));
michael@0	529	in5 = _mm_load_si128((const __m128i *)(input + 8 * 5));
michael@0	530	in6 = _mm_load_si128((const __m128i *)(input + 8 * 6));
michael@0	531	in7 = _mm_load_si128((const __m128i *)(input + 8 * 7));
michael@0	532
michael@0	533	// 2-D
michael@0	534	for (i = 0; i < 2; i++) {
michael@0	535	// 8x8 Transpose is copied from vp9_fdct8x8_sse2()
michael@0	536	TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
michael@0	537	in4, in5, in6, in7);
michael@0	538
michael@0	539	// 4-stage 1D idct8x8
michael@0	540	IDCT8_1D
michael@0	541	}
michael@0	542
michael@0	543	// Final rounding and shift
michael@0	544	in0 = _mm_adds_epi16(in0, final_rounding);
michael@0	545	in1 = _mm_adds_epi16(in1, final_rounding);
michael@0	546	in2 = _mm_adds_epi16(in2, final_rounding);
michael@0	547	in3 = _mm_adds_epi16(in3, final_rounding);
michael@0	548	in4 = _mm_adds_epi16(in4, final_rounding);
michael@0	549	in5 = _mm_adds_epi16(in5, final_rounding);
michael@0	550	in6 = _mm_adds_epi16(in6, final_rounding);
michael@0	551	in7 = _mm_adds_epi16(in7, final_rounding);
michael@0	552
michael@0	553	in0 = _mm_srai_epi16(in0, 5);
michael@0	554	in1 = _mm_srai_epi16(in1, 5);
michael@0	555	in2 = _mm_srai_epi16(in2, 5);
michael@0	556	in3 = _mm_srai_epi16(in3, 5);
michael@0	557	in4 = _mm_srai_epi16(in4, 5);
michael@0	558	in5 = _mm_srai_epi16(in5, 5);
michael@0	559	in6 = _mm_srai_epi16(in6, 5);
michael@0	560	in7 = _mm_srai_epi16(in7, 5);
michael@0	561
michael@0	562	RECON_AND_STORE(dest, in0);
michael@0	563	RECON_AND_STORE(dest, in1);
michael@0	564	RECON_AND_STORE(dest, in2);
michael@0	565	RECON_AND_STORE(dest, in3);
michael@0	566	RECON_AND_STORE(dest, in4);
michael@0	567	RECON_AND_STORE(dest, in5);
michael@0	568	RECON_AND_STORE(dest, in6);
michael@0	569	RECON_AND_STORE(dest, in7);
michael@0	570	}
michael@0	571
michael@0	572	void vp9_idct8x8_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
michael@0	573	__m128i dc_value;
michael@0	574	const __m128i zero = _mm_setzero_si128();
michael@0	575	int a;
michael@0	576
michael@0	577	a = dct_const_round_shift(input[0] * cospi_16_64);
michael@0	578	a = dct_const_round_shift(a * cospi_16_64);
michael@0	579	a = ROUND_POWER_OF_TWO(a, 5);
michael@0	580
michael@0	581	dc_value = _mm_set1_epi16(a);
michael@0	582
michael@0	583	RECON_AND_STORE(dest, dc_value);
michael@0	584	RECON_AND_STORE(dest, dc_value);
michael@0	585	RECON_AND_STORE(dest, dc_value);
michael@0	586	RECON_AND_STORE(dest, dc_value);
michael@0	587	RECON_AND_STORE(dest, dc_value);
michael@0	588	RECON_AND_STORE(dest, dc_value);
michael@0	589	RECON_AND_STORE(dest, dc_value);
michael@0	590	RECON_AND_STORE(dest, dc_value);
michael@0	591	}
michael@0	592
michael@0	593	// perform 8x8 transpose
michael@0	594	static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) {
michael@0	595	const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
michael@0	596	const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
michael@0	597	const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]);
michael@0	598	const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]);
michael@0	599	const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
michael@0	600	const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
michael@0	601	const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]);
michael@0	602	const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]);
michael@0	603
michael@0	604	const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
michael@0	605	const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5);
michael@0	606	const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
michael@0	607	const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5);
michael@0	608	const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3);
michael@0	609	const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
michael@0	610	const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3);
michael@0	611	const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
michael@0	612
michael@0	613	res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1);
michael@0	614	res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1);
michael@0	615	res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3);
michael@0	616	res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3);
michael@0	617	res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5);
michael@0	618	res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5);
michael@0	619	res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7);
michael@0	620	res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7);
michael@0	621	}
michael@0	622
michael@0	623	static void idct8_1d_sse2(__m128i *in) {
michael@0	624	const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	625	const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	626	const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	627	const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
michael@0	628	const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
michael@0	629	const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
michael@0	630	const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	631	const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	632	const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	633
michael@0	634	__m128i in0, in1, in2, in3, in4, in5, in6, in7;
michael@0	635	__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
michael@0	636	__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
michael@0	637	__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
michael@0	638
michael@0	639	in0 = in[0];
michael@0	640	in1 = in[1];
michael@0	641	in2 = in[2];
michael@0	642	in3 = in[3];
michael@0	643	in4 = in[4];
michael@0	644	in5 = in[5];
michael@0	645	in6 = in[6];
michael@0	646	in7 = in[7];
michael@0	647
michael@0	648	// 8x8 Transpose is copied from vp9_fdct8x8_sse2()
michael@0	649	TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
michael@0	650	in4, in5, in6, in7);
michael@0	651
michael@0	652	// 4-stage 1D idct8x8
michael@0	653	IDCT8_1D
michael@0	654	in[0] = in0;
michael@0	655	in[1] = in1;
michael@0	656	in[2] = in2;
michael@0	657	in[3] = in3;
michael@0	658	in[4] = in4;
michael@0	659	in[5] = in5;
michael@0	660	in[6] = in6;
michael@0	661	in[7] = in7;
michael@0	662	}
michael@0	663
michael@0	664	static void iadst8_1d_sse2(__m128i *in) {
michael@0	665	const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
michael@0	666	const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
michael@0	667	const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
michael@0	668	const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
michael@0	669	const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
michael@0	670	const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
michael@0	671	const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
michael@0	672	const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
michael@0	673	const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	674	const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	675	const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
michael@0	676	const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	677	const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64);
michael@0	678	const __m128i k__const_0 = _mm_set1_epi16(0);
michael@0	679	const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	680
michael@0	681	__m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15;
michael@0	682	__m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15;
michael@0	683	__m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
michael@0	684	__m128i s0, s1, s2, s3, s4, s5, s6, s7;
michael@0	685	__m128i in0, in1, in2, in3, in4, in5, in6, in7;
michael@0	686
michael@0	687	// transpose
michael@0	688	array_transpose_8x8(in, in);
michael@0	689
michael@0	690	// properly aligned for butterfly input
michael@0	691	in0 = in[7];
michael@0	692	in1 = in[0];
michael@0	693	in2 = in[5];
michael@0	694	in3 = in[2];
michael@0	695	in4 = in[3];
michael@0	696	in5 = in[4];
michael@0	697	in6 = in[1];
michael@0	698	in7 = in[6];
michael@0	699
michael@0	700	// column transformation
michael@0	701	// stage 1
michael@0	702	// interleave and multiply/add into 32-bit integer
michael@0	703	s0 = _mm_unpacklo_epi16(in0, in1);
michael@0	704	s1 = _mm_unpackhi_epi16(in0, in1);
michael@0	705	s2 = _mm_unpacklo_epi16(in2, in3);
michael@0	706	s3 = _mm_unpackhi_epi16(in2, in3);
michael@0	707	s4 = _mm_unpacklo_epi16(in4, in5);
michael@0	708	s5 = _mm_unpackhi_epi16(in4, in5);
michael@0	709	s6 = _mm_unpacklo_epi16(in6, in7);
michael@0	710	s7 = _mm_unpackhi_epi16(in6, in7);
michael@0	711
michael@0	712	u0 = _mm_madd_epi16(s0, k__cospi_p02_p30);
michael@0	713	u1 = _mm_madd_epi16(s1, k__cospi_p02_p30);
michael@0	714	u2 = _mm_madd_epi16(s0, k__cospi_p30_m02);
michael@0	715	u3 = _mm_madd_epi16(s1, k__cospi_p30_m02);
michael@0	716	u4 = _mm_madd_epi16(s2, k__cospi_p10_p22);
michael@0	717	u5 = _mm_madd_epi16(s3, k__cospi_p10_p22);
michael@0	718	u6 = _mm_madd_epi16(s2, k__cospi_p22_m10);
michael@0	719	u7 = _mm_madd_epi16(s3, k__cospi_p22_m10);
michael@0	720	u8 = _mm_madd_epi16(s4, k__cospi_p18_p14);
michael@0	721	u9 = _mm_madd_epi16(s5, k__cospi_p18_p14);
michael@0	722	u10 = _mm_madd_epi16(s4, k__cospi_p14_m18);
michael@0	723	u11 = _mm_madd_epi16(s5, k__cospi_p14_m18);
michael@0	724	u12 = _mm_madd_epi16(s6, k__cospi_p26_p06);
michael@0	725	u13 = _mm_madd_epi16(s7, k__cospi_p26_p06);
michael@0	726	u14 = _mm_madd_epi16(s6, k__cospi_p06_m26);
michael@0	727	u15 = _mm_madd_epi16(s7, k__cospi_p06_m26);
michael@0	728
michael@0	729	// addition
michael@0	730	w0 = _mm_add_epi32(u0, u8);
michael@0	731	w1 = _mm_add_epi32(u1, u9);
michael@0	732	w2 = _mm_add_epi32(u2, u10);
michael@0	733	w3 = _mm_add_epi32(u3, u11);
michael@0	734	w4 = _mm_add_epi32(u4, u12);
michael@0	735	w5 = _mm_add_epi32(u5, u13);
michael@0	736	w6 = _mm_add_epi32(u6, u14);
michael@0	737	w7 = _mm_add_epi32(u7, u15);
michael@0	738	w8 = _mm_sub_epi32(u0, u8);
michael@0	739	w9 = _mm_sub_epi32(u1, u9);
michael@0	740	w10 = _mm_sub_epi32(u2, u10);
michael@0	741	w11 = _mm_sub_epi32(u3, u11);
michael@0	742	w12 = _mm_sub_epi32(u4, u12);
michael@0	743	w13 = _mm_sub_epi32(u5, u13);
michael@0	744	w14 = _mm_sub_epi32(u6, u14);
michael@0	745	w15 = _mm_sub_epi32(u7, u15);
michael@0	746
michael@0	747	// shift and rounding
michael@0	748	v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
michael@0	749	v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
michael@0	750	v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
michael@0	751	v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
michael@0	752	v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
michael@0	753	v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
michael@0	754	v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
michael@0	755	v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
michael@0	756	v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING);
michael@0	757	v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING);
michael@0	758	v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING);
michael@0	759	v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING);
michael@0	760	v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING);
michael@0	761	v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING);
michael@0	762	v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING);
michael@0	763	v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING);
michael@0	764
michael@0	765	u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
michael@0	766	u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
michael@0	767	u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
michael@0	768	u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
michael@0	769	u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
michael@0	770	u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
michael@0	771	u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
michael@0	772	u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
michael@0	773	u8 = _mm_srai_epi32(v8, DCT_CONST_BITS);
michael@0	774	u9 = _mm_srai_epi32(v9, DCT_CONST_BITS);
michael@0	775	u10 = _mm_srai_epi32(v10, DCT_CONST_BITS);
michael@0	776	u11 = _mm_srai_epi32(v11, DCT_CONST_BITS);
michael@0	777	u12 = _mm_srai_epi32(v12, DCT_CONST_BITS);
michael@0	778	u13 = _mm_srai_epi32(v13, DCT_CONST_BITS);
michael@0	779	u14 = _mm_srai_epi32(v14, DCT_CONST_BITS);
michael@0	780	u15 = _mm_srai_epi32(v15, DCT_CONST_BITS);
michael@0	781
michael@0	782	// back to 16-bit and pack 8 integers into __m128i
michael@0	783	in[0] = _mm_packs_epi32(u0, u1);
michael@0	784	in[1] = _mm_packs_epi32(u2, u3);
michael@0	785	in[2] = _mm_packs_epi32(u4, u5);
michael@0	786	in[3] = _mm_packs_epi32(u6, u7);
michael@0	787	in[4] = _mm_packs_epi32(u8, u9);
michael@0	788	in[5] = _mm_packs_epi32(u10, u11);
michael@0	789	in[6] = _mm_packs_epi32(u12, u13);
michael@0	790	in[7] = _mm_packs_epi32(u14, u15);
michael@0	791
michael@0	792	// stage 2
michael@0	793	s0 = _mm_add_epi16(in[0], in[2]);
michael@0	794	s1 = _mm_add_epi16(in[1], in[3]);
michael@0	795	s2 = _mm_sub_epi16(in[0], in[2]);
michael@0	796	s3 = _mm_sub_epi16(in[1], in[3]);
michael@0	797	u0 = _mm_unpacklo_epi16(in[4], in[5]);
michael@0	798	u1 = _mm_unpackhi_epi16(in[4], in[5]);
michael@0	799	u2 = _mm_unpacklo_epi16(in[6], in[7]);
michael@0	800	u3 = _mm_unpackhi_epi16(in[6], in[7]);
michael@0	801
michael@0	802	v0 = _mm_madd_epi16(u0, k__cospi_p08_p24);
michael@0	803	v1 = _mm_madd_epi16(u1, k__cospi_p08_p24);
michael@0	804	v2 = _mm_madd_epi16(u0, k__cospi_p24_m08);
michael@0	805	v3 = _mm_madd_epi16(u1, k__cospi_p24_m08);
michael@0	806	v4 = _mm_madd_epi16(u2, k__cospi_m24_p08);
michael@0	807	v5 = _mm_madd_epi16(u3, k__cospi_m24_p08);
michael@0	808	v6 = _mm_madd_epi16(u2, k__cospi_p08_p24);
michael@0	809	v7 = _mm_madd_epi16(u3, k__cospi_p08_p24);
michael@0	810
michael@0	811	w0 = _mm_add_epi32(v0, v4);
michael@0	812	w1 = _mm_add_epi32(v1, v5);
michael@0	813	w2 = _mm_add_epi32(v2, v6);
michael@0	814	w3 = _mm_add_epi32(v3, v7);
michael@0	815	w4 = _mm_sub_epi32(v0, v4);
michael@0	816	w5 = _mm_sub_epi32(v1, v5);
michael@0	817	w6 = _mm_sub_epi32(v2, v6);
michael@0	818	w7 = _mm_sub_epi32(v3, v7);
michael@0	819
michael@0	820	v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
michael@0	821	v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
michael@0	822	v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
michael@0	823	v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
michael@0	824	v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
michael@0	825	v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
michael@0	826	v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
michael@0	827	v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
michael@0	828
michael@0	829	u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
michael@0	830	u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
michael@0	831	u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
michael@0	832	u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
michael@0	833	u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
michael@0	834	u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
michael@0	835	u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
michael@0	836	u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
michael@0	837
michael@0	838	// back to 16-bit intergers
michael@0	839	s4 = _mm_packs_epi32(u0, u1);
michael@0	840	s5 = _mm_packs_epi32(u2, u3);
michael@0	841	s6 = _mm_packs_epi32(u4, u5);
michael@0	842	s7 = _mm_packs_epi32(u6, u7);
michael@0	843
michael@0	844	// stage 3
michael@0	845	u0 = _mm_unpacklo_epi16(s2, s3);
michael@0	846	u1 = _mm_unpackhi_epi16(s2, s3);
michael@0	847	u2 = _mm_unpacklo_epi16(s6, s7);
michael@0	848	u3 = _mm_unpackhi_epi16(s6, s7);
michael@0	849
michael@0	850	v0 = _mm_madd_epi16(u0, k__cospi_p16_p16);
michael@0	851	v1 = _mm_madd_epi16(u1, k__cospi_p16_p16);
michael@0	852	v2 = _mm_madd_epi16(u0, k__cospi_p16_m16);
michael@0	853	v3 = _mm_madd_epi16(u1, k__cospi_p16_m16);
michael@0	854	v4 = _mm_madd_epi16(u2, k__cospi_p16_p16);
michael@0	855	v5 = _mm_madd_epi16(u3, k__cospi_p16_p16);
michael@0	856	v6 = _mm_madd_epi16(u2, k__cospi_p16_m16);
michael@0	857	v7 = _mm_madd_epi16(u3, k__cospi_p16_m16);
michael@0	858
michael@0	859	u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
michael@0	860	u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
michael@0	861	u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
michael@0	862	u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
michael@0	863	u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
michael@0	864	u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
michael@0	865	u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
michael@0	866	u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
michael@0	867
michael@0	868	v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
michael@0	869	v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
michael@0	870	v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
michael@0	871	v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
michael@0	872	v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
michael@0	873	v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
michael@0	874	v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
michael@0	875	v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
michael@0	876
michael@0	877	s2 = _mm_packs_epi32(v0, v1);
michael@0	878	s3 = _mm_packs_epi32(v2, v3);
michael@0	879	s6 = _mm_packs_epi32(v4, v5);
michael@0	880	s7 = _mm_packs_epi32(v6, v7);
michael@0	881
michael@0	882	in[0] = s0;
michael@0	883	in[1] = _mm_sub_epi16(k__const_0, s4);
michael@0	884	in[2] = s6;
michael@0	885	in[3] = _mm_sub_epi16(k__const_0, s2);
michael@0	886	in[4] = s3;
michael@0	887	in[5] = _mm_sub_epi16(k__const_0, s7);
michael@0	888	in[6] = s5;
michael@0	889	in[7] = _mm_sub_epi16(k__const_0, s1);
michael@0	890	}
michael@0	891
michael@0	892
michael@0	893	void vp9_iht8x8_64_add_sse2(const int16_t *input, uint8_t *dest, int stride,
michael@0	894	int tx_type) {
michael@0	895	__m128i in[8];
michael@0	896	const __m128i zero = _mm_setzero_si128();
michael@0	897	const __m128i final_rounding = _mm_set1_epi16(1<<4);
michael@0	898
michael@0	899	// load input data
michael@0	900	in[0] = _mm_load_si128((const __m128i *)input);
michael@0	901	in[1] = _mm_load_si128((const __m128i *)(input + 8 * 1));
michael@0	902	in[2] = _mm_load_si128((const __m128i *)(input + 8 * 2));
michael@0	903	in[3] = _mm_load_si128((const __m128i *)(input + 8 * 3));
michael@0	904	in[4] = _mm_load_si128((const __m128i *)(input + 8 * 4));
michael@0	905	in[5] = _mm_load_si128((const __m128i *)(input + 8 * 5));
michael@0	906	in[6] = _mm_load_si128((const __m128i *)(input + 8 * 6));
michael@0	907	in[7] = _mm_load_si128((const __m128i *)(input + 8 * 7));
michael@0	908
michael@0	909	switch (tx_type) {
michael@0	910	case 0: // DCT_DCT
michael@0	911	idct8_1d_sse2(in);
michael@0	912	idct8_1d_sse2(in);
michael@0	913	break;
michael@0	914	case 1: // ADST_DCT
michael@0	915	idct8_1d_sse2(in);
michael@0	916	iadst8_1d_sse2(in);
michael@0	917	break;
michael@0	918	case 2: // DCT_ADST
michael@0	919	iadst8_1d_sse2(in);
michael@0	920	idct8_1d_sse2(in);
michael@0	921	break;
michael@0	922	case 3: // ADST_ADST
michael@0	923	iadst8_1d_sse2(in);
michael@0	924	iadst8_1d_sse2(in);
michael@0	925	break;
michael@0	926	default:
michael@0	927	assert(0);
michael@0	928	break;
michael@0	929	}
michael@0	930
michael@0	931	// Final rounding and shift
michael@0	932	in[0] = _mm_adds_epi16(in[0], final_rounding);
michael@0	933	in[1] = _mm_adds_epi16(in[1], final_rounding);
michael@0	934	in[2] = _mm_adds_epi16(in[2], final_rounding);
michael@0	935	in[3] = _mm_adds_epi16(in[3], final_rounding);
michael@0	936	in[4] = _mm_adds_epi16(in[4], final_rounding);
michael@0	937	in[5] = _mm_adds_epi16(in[5], final_rounding);
michael@0	938	in[6] = _mm_adds_epi16(in[6], final_rounding);
michael@0	939	in[7] = _mm_adds_epi16(in[7], final_rounding);
michael@0	940
michael@0	941	in[0] = _mm_srai_epi16(in[0], 5);
michael@0	942	in[1] = _mm_srai_epi16(in[1], 5);
michael@0	943	in[2] = _mm_srai_epi16(in[2], 5);
michael@0	944	in[3] = _mm_srai_epi16(in[3], 5);
michael@0	945	in[4] = _mm_srai_epi16(in[4], 5);
michael@0	946	in[5] = _mm_srai_epi16(in[5], 5);
michael@0	947	in[6] = _mm_srai_epi16(in[6], 5);
michael@0	948	in[7] = _mm_srai_epi16(in[7], 5);
michael@0	949
michael@0	950	RECON_AND_STORE(dest, in[0]);
michael@0	951	RECON_AND_STORE(dest, in[1]);
michael@0	952	RECON_AND_STORE(dest, in[2]);
michael@0	953	RECON_AND_STORE(dest, in[3]);
michael@0	954	RECON_AND_STORE(dest, in[4]);
michael@0	955	RECON_AND_STORE(dest, in[5]);
michael@0	956	RECON_AND_STORE(dest, in[6]);
michael@0	957	RECON_AND_STORE(dest, in[7]);
michael@0	958	}
michael@0	959
michael@0	960	void vp9_idct8x8_10_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
michael@0	961	const __m128i zero = _mm_setzero_si128();
michael@0	962	const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	963	const __m128i final_rounding = _mm_set1_epi16(1<<4);
michael@0	964	const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	965	const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	966	const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
michael@0	967	const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
michael@0	968	const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
michael@0	969	const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	970	const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	971	const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	972	const __m128i stg3_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
michael@0	973
michael@0	974	__m128i in0, in1, in2, in3, in4, in5, in6, in7;
michael@0	975	__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
michael@0	976	__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
michael@0	977	__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
michael@0	978
michael@0	979	// Rows. Load 4-row input data.
michael@0	980	in0 = _mm_load_si128((const __m128i *)input);
michael@0	981	in1 = _mm_load_si128((const __m128i *)(input + 8 * 1));
michael@0	982	in2 = _mm_load_si128((const __m128i *)(input + 8 * 2));
michael@0	983	in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
michael@0	984
michael@0	985	// 8x4 Transpose
michael@0	986	TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3)
michael@0	987
michael@0	988	// Stage1
michael@0	989	{ //NOLINT
michael@0	990	const __m128i lo_17 = _mm_unpackhi_epi16(in0, in3);
michael@0	991	const __m128i lo_35 = _mm_unpackhi_epi16(in1, in2);
michael@0	992
michael@0	993	tmp0 = _mm_madd_epi16(lo_17, stg1_0);
michael@0	994	tmp2 = _mm_madd_epi16(lo_17, stg1_1);
michael@0	995	tmp4 = _mm_madd_epi16(lo_35, stg1_2);
michael@0	996	tmp6 = _mm_madd_epi16(lo_35, stg1_3);
michael@0	997
michael@0	998	tmp0 = _mm_add_epi32(tmp0, rounding);
michael@0	999	tmp2 = _mm_add_epi32(tmp2, rounding);
michael@0	1000	tmp4 = _mm_add_epi32(tmp4, rounding);
michael@0	1001	tmp6 = _mm_add_epi32(tmp6, rounding);
michael@0	1002	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
michael@0	1003	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
michael@0	1004	tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
michael@0	1005	tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
michael@0	1006
michael@0	1007	stp1_4 = _mm_packs_epi32(tmp0, zero);
michael@0	1008	stp1_7 = _mm_packs_epi32(tmp2, zero);
michael@0	1009	stp1_5 = _mm_packs_epi32(tmp4, zero);
michael@0	1010	stp1_6 = _mm_packs_epi32(tmp6, zero);
michael@0	1011	}
michael@0	1012
michael@0	1013	// Stage2
michael@0	1014	{ //NOLINT
michael@0	1015	const __m128i lo_04 = _mm_unpacklo_epi16(in0, in2);
michael@0	1016	const __m128i lo_26 = _mm_unpacklo_epi16(in1, in3);
michael@0	1017
michael@0	1018	tmp0 = _mm_madd_epi16(lo_04, stg2_0);
michael@0	1019	tmp2 = _mm_madd_epi16(lo_04, stg2_1);
michael@0	1020	tmp4 = _mm_madd_epi16(lo_26, stg2_2);
michael@0	1021	tmp6 = _mm_madd_epi16(lo_26, stg2_3);
michael@0	1022
michael@0	1023	tmp0 = _mm_add_epi32(tmp0, rounding);
michael@0	1024	tmp2 = _mm_add_epi32(tmp2, rounding);
michael@0	1025	tmp4 = _mm_add_epi32(tmp4, rounding);
michael@0	1026	tmp6 = _mm_add_epi32(tmp6, rounding);
michael@0	1027	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
michael@0	1028	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
michael@0	1029	tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
michael@0	1030	tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
michael@0	1031
michael@0	1032	stp2_0 = _mm_packs_epi32(tmp0, zero);
michael@0	1033	stp2_1 = _mm_packs_epi32(tmp2, zero);
michael@0	1034	stp2_2 = _mm_packs_epi32(tmp4, zero);
michael@0	1035	stp2_3 = _mm_packs_epi32(tmp6, zero);
michael@0	1036
michael@0	1037	stp2_4 = _mm_adds_epi16(stp1_4, stp1_5);
michael@0	1038	stp2_5 = _mm_subs_epi16(stp1_4, stp1_5);
michael@0	1039	stp2_6 = _mm_subs_epi16(stp1_7, stp1_6);
michael@0	1040	stp2_7 = _mm_adds_epi16(stp1_7, stp1_6);
michael@0	1041	}
michael@0	1042
michael@0	1043	// Stage3
michael@0	1044	{ //NOLINT
michael@0	1045	const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6);
michael@0	1046	stp1_0 = _mm_adds_epi16(stp2_0, stp2_3);
michael@0	1047	stp1_1 = _mm_adds_epi16(stp2_1, stp2_2);
michael@0	1048	stp1_2 = _mm_subs_epi16(stp2_1, stp2_2);
michael@0	1049	stp1_3 = _mm_subs_epi16(stp2_0, stp2_3);
michael@0	1050
michael@0	1051	tmp0 = _mm_madd_epi16(lo_56, stg3_0);
michael@0	1052	tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0
michael@0	1053
michael@0	1054	tmp0 = _mm_add_epi32(tmp0, rounding);
michael@0	1055	tmp2 = _mm_add_epi32(tmp2, rounding);
michael@0	1056	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
michael@0	1057	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
michael@0	1058
michael@0	1059	stp1_5 = _mm_packs_epi32(tmp0, zero);
michael@0	1060	stp1_6 = _mm_packs_epi32(tmp2, zero);
michael@0	1061	}
michael@0	1062
michael@0	1063	// Stage4
michael@0	1064	in0 = _mm_adds_epi16(stp1_0, stp2_7);
michael@0	1065	in1 = _mm_adds_epi16(stp1_1, stp1_6);
michael@0	1066	in2 = _mm_adds_epi16(stp1_2, stp1_5);
michael@0	1067	in3 = _mm_adds_epi16(stp1_3, stp2_4);
michael@0	1068	in4 = _mm_subs_epi16(stp1_3, stp2_4);
michael@0	1069	in5 = _mm_subs_epi16(stp1_2, stp1_5);
michael@0	1070	in6 = _mm_subs_epi16(stp1_1, stp1_6);
michael@0	1071	in7 = _mm_subs_epi16(stp1_0, stp2_7);
michael@0	1072
michael@0	1073	// Columns. 4x8 Transpose
michael@0	1074	TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
michael@0	1075	in4, in5, in6, in7)
michael@0	1076
michael@0	1077	// 1D idct8x8
michael@0	1078	IDCT8_1D
michael@0	1079
michael@0	1080	// Final rounding and shift
michael@0	1081	in0 = _mm_adds_epi16(in0, final_rounding);
michael@0	1082	in1 = _mm_adds_epi16(in1, final_rounding);
michael@0	1083	in2 = _mm_adds_epi16(in2, final_rounding);
michael@0	1084	in3 = _mm_adds_epi16(in3, final_rounding);
michael@0	1085	in4 = _mm_adds_epi16(in4, final_rounding);
michael@0	1086	in5 = _mm_adds_epi16(in5, final_rounding);
michael@0	1087	in6 = _mm_adds_epi16(in6, final_rounding);
michael@0	1088	in7 = _mm_adds_epi16(in7, final_rounding);
michael@0	1089
michael@0	1090	in0 = _mm_srai_epi16(in0, 5);
michael@0	1091	in1 = _mm_srai_epi16(in1, 5);
michael@0	1092	in2 = _mm_srai_epi16(in2, 5);
michael@0	1093	in3 = _mm_srai_epi16(in3, 5);
michael@0	1094	in4 = _mm_srai_epi16(in4, 5);
michael@0	1095	in5 = _mm_srai_epi16(in5, 5);
michael@0	1096	in6 = _mm_srai_epi16(in6, 5);
michael@0	1097	in7 = _mm_srai_epi16(in7, 5);
michael@0	1098
michael@0	1099	RECON_AND_STORE(dest, in0);
michael@0	1100	RECON_AND_STORE(dest, in1);
michael@0	1101	RECON_AND_STORE(dest, in2);
michael@0	1102	RECON_AND_STORE(dest, in3);
michael@0	1103	RECON_AND_STORE(dest, in4);
michael@0	1104	RECON_AND_STORE(dest, in5);
michael@0	1105	RECON_AND_STORE(dest, in6);
michael@0	1106	RECON_AND_STORE(dest, in7);
michael@0	1107	}
michael@0	1108
michael@0	1109	#define IDCT16_1D \
michael@0	1110	/* Stage2 */ \
michael@0	1111	{ \
michael@0	1112	const __m128i lo_1_15 = _mm_unpacklo_epi16(in1, in15); \
michael@0	1113	const __m128i hi_1_15 = _mm_unpackhi_epi16(in1, in15); \
michael@0	1114	const __m128i lo_9_7 = _mm_unpacklo_epi16(in9, in7); \
michael@0	1115	const __m128i hi_9_7 = _mm_unpackhi_epi16(in9, in7); \
michael@0	1116	const __m128i lo_5_11 = _mm_unpacklo_epi16(in5, in11); \
michael@0	1117	const __m128i hi_5_11 = _mm_unpackhi_epi16(in5, in11); \
michael@0	1118	const __m128i lo_13_3 = _mm_unpacklo_epi16(in13, in3); \
michael@0	1119	const __m128i hi_13_3 = _mm_unpackhi_epi16(in13, in3); \
michael@0	1120	\
michael@0	1121	MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_9_7, hi_9_7, \
michael@0	1122	stg2_0, stg2_1, stg2_2, stg2_3, \
michael@0	1123	stp2_8, stp2_15, stp2_9, stp2_14) \
michael@0	1124	\
michael@0	1125	MULTIPLICATION_AND_ADD(lo_5_11, hi_5_11, lo_13_3, hi_13_3, \
michael@0	1126	stg2_4, stg2_5, stg2_6, stg2_7, \
michael@0	1127	stp2_10, stp2_13, stp2_11, stp2_12) \
michael@0	1128	} \
michael@0	1129	\
michael@0	1130	/* Stage3 */ \
michael@0	1131	{ \
michael@0	1132	const __m128i lo_2_14 = _mm_unpacklo_epi16(in2, in14); \
michael@0	1133	const __m128i hi_2_14 = _mm_unpackhi_epi16(in2, in14); \
michael@0	1134	const __m128i lo_10_6 = _mm_unpacklo_epi16(in10, in6); \
michael@0	1135	const __m128i hi_10_6 = _mm_unpackhi_epi16(in10, in6); \
michael@0	1136	\
michael@0	1137	MULTIPLICATION_AND_ADD(lo_2_14, hi_2_14, lo_10_6, hi_10_6, \
michael@0	1138	stg3_0, stg3_1, stg3_2, stg3_3, \
michael@0	1139	stp1_4, stp1_7, stp1_5, stp1_6) \
michael@0	1140	\
michael@0	1141	stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9); \
michael@0	1142	stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
michael@0	1143	stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
michael@0	1144	stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
michael@0	1145	\
michael@0	1146	stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13); \
michael@0	1147	stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
michael@0	1148	stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
michael@0	1149	stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
michael@0	1150	} \
michael@0	1151	\
michael@0	1152	/* Stage4 */ \
michael@0	1153	{ \
michael@0	1154	const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8); \
michael@0	1155	const __m128i hi_0_8 = _mm_unpackhi_epi16(in0, in8); \
michael@0	1156	const __m128i lo_4_12 = _mm_unpacklo_epi16(in4, in12); \
michael@0	1157	const __m128i hi_4_12 = _mm_unpackhi_epi16(in4, in12); \
michael@0	1158	\
michael@0	1159	const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
michael@0	1160	const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
michael@0	1161	const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
michael@0	1162	const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
michael@0	1163	\
michael@0	1164	MULTIPLICATION_AND_ADD(lo_0_8, hi_0_8, lo_4_12, hi_4_12, \
michael@0	1165	stg4_0, stg4_1, stg4_2, stg4_3, \
michael@0	1166	stp2_0, stp2_1, stp2_2, stp2_3) \
michael@0	1167	\
michael@0	1168	stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
michael@0	1169	stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
michael@0	1170	stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
michael@0	1171	stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
michael@0	1172	\
michael@0	1173	MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
michael@0	1174	stg4_4, stg4_5, stg4_6, stg4_7, \
michael@0	1175	stp2_9, stp2_14, stp2_10, stp2_13) \
michael@0	1176	} \
michael@0	1177	\
michael@0	1178	/* Stage5 */ \
michael@0	1179	{ \
michael@0	1180	const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
michael@0	1181	const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
michael@0	1182	\
michael@0	1183	stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
michael@0	1184	stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
michael@0	1185	stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
michael@0	1186	stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
michael@0	1187	\
michael@0	1188	tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
michael@0	1189	tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
michael@0	1190	tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
michael@0	1191	tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
michael@0	1192	\
michael@0	1193	tmp0 = _mm_add_epi32(tmp0, rounding); \
michael@0	1194	tmp1 = _mm_add_epi32(tmp1, rounding); \
michael@0	1195	tmp2 = _mm_add_epi32(tmp2, rounding); \
michael@0	1196	tmp3 = _mm_add_epi32(tmp3, rounding); \
michael@0	1197	\
michael@0	1198	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
michael@0	1199	tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
michael@0	1200	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
michael@0	1201	tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
michael@0	1202	\
michael@0	1203	stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
michael@0	1204	stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
michael@0	1205	\
michael@0	1206	stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
michael@0	1207	stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
michael@0	1208	stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
michael@0	1209	stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
michael@0	1210	\
michael@0	1211	stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
michael@0	1212	stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
michael@0	1213	stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
michael@0	1214	stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
michael@0	1215	} \
michael@0	1216	\
michael@0	1217	/* Stage6 */ \
michael@0	1218	{ \
michael@0	1219	const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
michael@0	1220	const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
michael@0	1221	const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
michael@0	1222	const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
michael@0	1223	\
michael@0	1224	stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
michael@0	1225	stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
michael@0	1226	stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
michael@0	1227	stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
michael@0	1228	stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
michael@0	1229	stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
michael@0	1230	stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
michael@0	1231	stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
michael@0	1232	\
michael@0	1233	MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
michael@0	1234	stg6_0, stg4_0, stg6_0, stg4_0, \
michael@0	1235	stp2_10, stp2_13, stp2_11, stp2_12) \
michael@0	1236	}
michael@0	1237
michael@0	1238	void vp9_idct16x16_256_add_sse2(const int16_t *input, uint8_t *dest,
michael@0	1239	int stride) {
michael@0	1240	const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	1241	const __m128i final_rounding = _mm_set1_epi16(1<<5);
michael@0	1242	const __m128i zero = _mm_setzero_si128();
michael@0	1243
michael@0	1244	const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
michael@0	1245	const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
michael@0	1246	const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
michael@0	1247	const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
michael@0	1248	const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
michael@0	1249	const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
michael@0	1250	const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
michael@0	1251	const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
michael@0	1252
michael@0	1253	const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	1254	const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	1255	const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
michael@0	1256	const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
michael@0	1257
michael@0	1258	const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
michael@0	1259	const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	1260	const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	1261	const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	1262	const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
michael@0	1263	const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
michael@0	1264	const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
michael@0	1265	const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
michael@0	1266
michael@0	1267	const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
michael@0	1268
michael@0	1269	__m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
michael@0	1270	in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
michael@0	1271	in10 = zero, in11 = zero, in12 = zero, in13 = zero,
michael@0	1272	in14 = zero, in15 = zero;
michael@0	1273	__m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
michael@0	1274	l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
michael@0	1275	l12 = zero, l13 = zero, l14 = zero, l15 = zero;
michael@0	1276	__m128i r0 = zero, r1 = zero, r2 = zero, r3 = zero, r4 = zero, r5 = zero,
michael@0	1277	r6 = zero, r7 = zero, r8 = zero, r9 = zero, r10 = zero, r11 = zero,
michael@0	1278	r12 = zero, r13 = zero, r14 = zero, r15 = zero;
michael@0	1279	__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
michael@0	1280	stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
michael@0	1281	stp1_8_0, stp1_12_0;
michael@0	1282	__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
michael@0	1283	stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
michael@0	1284	__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
michael@0	1285	int i;
michael@0	1286
michael@0	1287	// We work on a 8x16 block each time, and loop 4 times for 2-D 16x16 idct.
michael@0	1288	for (i = 0; i < 4; i++) {
michael@0	1289	// 1-D idct
michael@0	1290	if (i < 2) {
michael@0	1291	if (i == 1) input += 128;
michael@0	1292
michael@0	1293	// Load input data.
michael@0	1294	in0 = _mm_load_si128((const __m128i *)input);
michael@0	1295	in8 = _mm_load_si128((const __m128i *)(input + 8 * 1));
michael@0	1296	in1 = _mm_load_si128((const __m128i *)(input + 8 * 2));
michael@0	1297	in9 = _mm_load_si128((const __m128i *)(input + 8 * 3));
michael@0	1298	in2 = _mm_load_si128((const __m128i *)(input + 8 * 4));
michael@0	1299	in10 = _mm_load_si128((const __m128i *)(input + 8 * 5));
michael@0	1300	in3 = _mm_load_si128((const __m128i *)(input + 8 * 6));
michael@0	1301	in11 = _mm_load_si128((const __m128i *)(input + 8 * 7));
michael@0	1302	in4 = _mm_load_si128((const __m128i *)(input + 8 * 8));
michael@0	1303	in12 = _mm_load_si128((const __m128i *)(input + 8 * 9));
michael@0	1304	in5 = _mm_load_si128((const __m128i *)(input + 8 * 10));
michael@0	1305	in13 = _mm_load_si128((const __m128i *)(input + 8 * 11));
michael@0	1306	in6 = _mm_load_si128((const __m128i *)(input + 8 * 12));
michael@0	1307	in14 = _mm_load_si128((const __m128i *)(input + 8 * 13));
michael@0	1308	in7 = _mm_load_si128((const __m128i *)(input + 8 * 14));
michael@0	1309	in15 = _mm_load_si128((const __m128i *)(input + 8 * 15));
michael@0	1310
michael@0	1311	TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
michael@0	1312	in4, in5, in6, in7);
michael@0	1313	TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
michael@0	1314	in10, in11, in12, in13, in14, in15);
michael@0	1315	}
michael@0	1316
michael@0	1317	if (i == 2) {
michael@0	1318	TRANSPOSE_8X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
michael@0	1319	in5, in6, in7);
michael@0	1320	TRANSPOSE_8X8(r0, r1, r2, r3, r4, r5, r6, r7, in8, in9, in10, in11, in12,
michael@0	1321	in13, in14, in15);
michael@0	1322	}
michael@0	1323
michael@0	1324	if (i == 3) {
michael@0	1325	TRANSPOSE_8X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
michael@0	1326	in4, in5, in6, in7);
michael@0	1327	TRANSPOSE_8X8(r8, r9, r10, r11, r12, r13, r14, r15, in8, in9, in10, in11,
michael@0	1328	in12, in13, in14, in15);
michael@0	1329	}
michael@0	1330
michael@0	1331	IDCT16_1D
michael@0	1332
michael@0	1333	// Stage7
michael@0	1334	if (i == 0) {
michael@0	1335	// Left 8x16
michael@0	1336	l0 = _mm_add_epi16(stp2_0, stp1_15);
michael@0	1337	l1 = _mm_add_epi16(stp2_1, stp1_14);
michael@0	1338	l2 = _mm_add_epi16(stp2_2, stp2_13);
michael@0	1339	l3 = _mm_add_epi16(stp2_3, stp2_12);
michael@0	1340	l4 = _mm_add_epi16(stp2_4, stp2_11);
michael@0	1341	l5 = _mm_add_epi16(stp2_5, stp2_10);
michael@0	1342	l6 = _mm_add_epi16(stp2_6, stp1_9);
michael@0	1343	l7 = _mm_add_epi16(stp2_7, stp1_8);
michael@0	1344	l8 = _mm_sub_epi16(stp2_7, stp1_8);
michael@0	1345	l9 = _mm_sub_epi16(stp2_6, stp1_9);
michael@0	1346	l10 = _mm_sub_epi16(stp2_5, stp2_10);
michael@0	1347	l11 = _mm_sub_epi16(stp2_4, stp2_11);
michael@0	1348	l12 = _mm_sub_epi16(stp2_3, stp2_12);
michael@0	1349	l13 = _mm_sub_epi16(stp2_2, stp2_13);
michael@0	1350	l14 = _mm_sub_epi16(stp2_1, stp1_14);
michael@0	1351	l15 = _mm_sub_epi16(stp2_0, stp1_15);
michael@0	1352	} else if (i == 1) {
michael@0	1353	// Right 8x16
michael@0	1354	r0 = _mm_add_epi16(stp2_0, stp1_15);
michael@0	1355	r1 = _mm_add_epi16(stp2_1, stp1_14);
michael@0	1356	r2 = _mm_add_epi16(stp2_2, stp2_13);
michael@0	1357	r3 = _mm_add_epi16(stp2_3, stp2_12);
michael@0	1358	r4 = _mm_add_epi16(stp2_4, stp2_11);
michael@0	1359	r5 = _mm_add_epi16(stp2_5, stp2_10);
michael@0	1360	r6 = _mm_add_epi16(stp2_6, stp1_9);
michael@0	1361	r7 = _mm_add_epi16(stp2_7, stp1_8);
michael@0	1362	r8 = _mm_sub_epi16(stp2_7, stp1_8);
michael@0	1363	r9 = _mm_sub_epi16(stp2_6, stp1_9);
michael@0	1364	r10 = _mm_sub_epi16(stp2_5, stp2_10);
michael@0	1365	r11 = _mm_sub_epi16(stp2_4, stp2_11);
michael@0	1366	r12 = _mm_sub_epi16(stp2_3, stp2_12);
michael@0	1367	r13 = _mm_sub_epi16(stp2_2, stp2_13);
michael@0	1368	r14 = _mm_sub_epi16(stp2_1, stp1_14);
michael@0	1369	r15 = _mm_sub_epi16(stp2_0, stp1_15);
michael@0	1370	} else {
michael@0	1371	// 2-D
michael@0	1372	in0 = _mm_add_epi16(stp2_0, stp1_15);
michael@0	1373	in1 = _mm_add_epi16(stp2_1, stp1_14);
michael@0	1374	in2 = _mm_add_epi16(stp2_2, stp2_13);
michael@0	1375	in3 = _mm_add_epi16(stp2_3, stp2_12);
michael@0	1376	in4 = _mm_add_epi16(stp2_4, stp2_11);
michael@0	1377	in5 = _mm_add_epi16(stp2_5, stp2_10);
michael@0	1378	in6 = _mm_add_epi16(stp2_6, stp1_9);
michael@0	1379	in7 = _mm_add_epi16(stp2_7, stp1_8);
michael@0	1380	in8 = _mm_sub_epi16(stp2_7, stp1_8);
michael@0	1381	in9 = _mm_sub_epi16(stp2_6, stp1_9);
michael@0	1382	in10 = _mm_sub_epi16(stp2_5, stp2_10);
michael@0	1383	in11 = _mm_sub_epi16(stp2_4, stp2_11);
michael@0	1384	in12 = _mm_sub_epi16(stp2_3, stp2_12);
michael@0	1385	in13 = _mm_sub_epi16(stp2_2, stp2_13);
michael@0	1386	in14 = _mm_sub_epi16(stp2_1, stp1_14);
michael@0	1387	in15 = _mm_sub_epi16(stp2_0, stp1_15);
michael@0	1388
michael@0	1389	// Final rounding and shift
michael@0	1390	in0 = _mm_adds_epi16(in0, final_rounding);
michael@0	1391	in1 = _mm_adds_epi16(in1, final_rounding);
michael@0	1392	in2 = _mm_adds_epi16(in2, final_rounding);
michael@0	1393	in3 = _mm_adds_epi16(in3, final_rounding);
michael@0	1394	in4 = _mm_adds_epi16(in4, final_rounding);
michael@0	1395	in5 = _mm_adds_epi16(in5, final_rounding);
michael@0	1396	in6 = _mm_adds_epi16(in6, final_rounding);
michael@0	1397	in7 = _mm_adds_epi16(in7, final_rounding);
michael@0	1398	in8 = _mm_adds_epi16(in8, final_rounding);
michael@0	1399	in9 = _mm_adds_epi16(in9, final_rounding);
michael@0	1400	in10 = _mm_adds_epi16(in10, final_rounding);
michael@0	1401	in11 = _mm_adds_epi16(in11, final_rounding);
michael@0	1402	in12 = _mm_adds_epi16(in12, final_rounding);
michael@0	1403	in13 = _mm_adds_epi16(in13, final_rounding);
michael@0	1404	in14 = _mm_adds_epi16(in14, final_rounding);
michael@0	1405	in15 = _mm_adds_epi16(in15, final_rounding);
michael@0	1406
michael@0	1407	in0 = _mm_srai_epi16(in0, 6);
michael@0	1408	in1 = _mm_srai_epi16(in1, 6);
michael@0	1409	in2 = _mm_srai_epi16(in2, 6);
michael@0	1410	in3 = _mm_srai_epi16(in3, 6);
michael@0	1411	in4 = _mm_srai_epi16(in4, 6);
michael@0	1412	in5 = _mm_srai_epi16(in5, 6);
michael@0	1413	in6 = _mm_srai_epi16(in6, 6);
michael@0	1414	in7 = _mm_srai_epi16(in7, 6);
michael@0	1415	in8 = _mm_srai_epi16(in8, 6);
michael@0	1416	in9 = _mm_srai_epi16(in9, 6);
michael@0	1417	in10 = _mm_srai_epi16(in10, 6);
michael@0	1418	in11 = _mm_srai_epi16(in11, 6);
michael@0	1419	in12 = _mm_srai_epi16(in12, 6);
michael@0	1420	in13 = _mm_srai_epi16(in13, 6);
michael@0	1421	in14 = _mm_srai_epi16(in14, 6);
michael@0	1422	in15 = _mm_srai_epi16(in15, 6);
michael@0	1423
michael@0	1424	RECON_AND_STORE(dest, in0);
michael@0	1425	RECON_AND_STORE(dest, in1);
michael@0	1426	RECON_AND_STORE(dest, in2);
michael@0	1427	RECON_AND_STORE(dest, in3);
michael@0	1428	RECON_AND_STORE(dest, in4);
michael@0	1429	RECON_AND_STORE(dest, in5);
michael@0	1430	RECON_AND_STORE(dest, in6);
michael@0	1431	RECON_AND_STORE(dest, in7);
michael@0	1432	RECON_AND_STORE(dest, in8);
michael@0	1433	RECON_AND_STORE(dest, in9);
michael@0	1434	RECON_AND_STORE(dest, in10);
michael@0	1435	RECON_AND_STORE(dest, in11);
michael@0	1436	RECON_AND_STORE(dest, in12);
michael@0	1437	RECON_AND_STORE(dest, in13);
michael@0	1438	RECON_AND_STORE(dest, in14);
michael@0	1439	RECON_AND_STORE(dest, in15);
michael@0	1440
michael@0	1441	dest += 8 - (stride * 16);
michael@0	1442	}
michael@0	1443	}
michael@0	1444	}
michael@0	1445
michael@0	1446	void vp9_idct16x16_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
michael@0	1447	__m128i dc_value;
michael@0	1448	const __m128i zero = _mm_setzero_si128();
michael@0	1449	int a, i;
michael@0	1450
michael@0	1451	a = dct_const_round_shift(input[0] * cospi_16_64);
michael@0	1452	a = dct_const_round_shift(a * cospi_16_64);
michael@0	1453	a = ROUND_POWER_OF_TWO(a, 6);
michael@0	1454
michael@0	1455	dc_value = _mm_set1_epi16(a);
michael@0	1456
michael@0	1457	for (i = 0; i < 2; ++i) {
michael@0	1458	RECON_AND_STORE(dest, dc_value);
michael@0	1459	RECON_AND_STORE(dest, dc_value);
michael@0	1460	RECON_AND_STORE(dest, dc_value);
michael@0	1461	RECON_AND_STORE(dest, dc_value);
michael@0	1462	RECON_AND_STORE(dest, dc_value);
michael@0	1463	RECON_AND_STORE(dest, dc_value);
michael@0	1464	RECON_AND_STORE(dest, dc_value);
michael@0	1465	RECON_AND_STORE(dest, dc_value);
michael@0	1466	RECON_AND_STORE(dest, dc_value);
michael@0	1467	RECON_AND_STORE(dest, dc_value);
michael@0	1468	RECON_AND_STORE(dest, dc_value);
michael@0	1469	RECON_AND_STORE(dest, dc_value);
michael@0	1470	RECON_AND_STORE(dest, dc_value);
michael@0	1471	RECON_AND_STORE(dest, dc_value);
michael@0	1472	RECON_AND_STORE(dest, dc_value);
michael@0	1473	RECON_AND_STORE(dest, dc_value);
michael@0	1474	dest += 8 - (stride * 16);
michael@0	1475	}
michael@0	1476	}
michael@0	1477
michael@0	1478	static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) {
michael@0	1479	__m128i tbuf[8];
michael@0	1480	array_transpose_8x8(res0, res0);
michael@0	1481	array_transpose_8x8(res1, tbuf);
michael@0	1482	array_transpose_8x8(res0 + 8, res1);
michael@0	1483	array_transpose_8x8(res1 + 8, res1 + 8);
michael@0	1484
michael@0	1485	res0[8] = tbuf[0];
michael@0	1486	res0[9] = tbuf[1];
michael@0	1487	res0[10] = tbuf[2];
michael@0	1488	res0[11] = tbuf[3];
michael@0	1489	res0[12] = tbuf[4];
michael@0	1490	res0[13] = tbuf[5];
michael@0	1491	res0[14] = tbuf[6];
michael@0	1492	res0[15] = tbuf[7];
michael@0	1493	}
michael@0	1494
michael@0	1495	static void iadst16_1d_8col(__m128i *in) {
michael@0	1496	// perform 16x16 1-D ADST for 8 columns
michael@0	1497	__m128i s[16], x[16], u[32], v[32];
michael@0	1498	const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
michael@0	1499	const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
michael@0	1500	const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
michael@0	1501	const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
michael@0	1502	const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
michael@0	1503	const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
michael@0	1504	const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
michael@0	1505	const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
michael@0	1506	const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
michael@0	1507	const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
michael@0	1508	const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
michael@0	1509	const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
michael@0	1510	const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
michael@0	1511	const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
michael@0	1512	const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
michael@0	1513	const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
michael@0	1514	const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	1515	const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	1516	const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
michael@0	1517	const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
michael@0	1518	const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
michael@0	1519	const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
michael@0	1520	const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	1521	const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	1522	const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
michael@0	1523	const __m128i k__cospi_m16_m16 = _mm_set1_epi16(-cospi_16_64);
michael@0	1524	const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64);
michael@0	1525	const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	1526	const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
michael@0	1527	const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	1528	const __m128i kZero = _mm_set1_epi16(0);
michael@0	1529
michael@0	1530	u[0] = _mm_unpacklo_epi16(in[15], in[0]);
michael@0	1531	u[1] = _mm_unpackhi_epi16(in[15], in[0]);
michael@0	1532	u[2] = _mm_unpacklo_epi16(in[13], in[2]);
michael@0	1533	u[3] = _mm_unpackhi_epi16(in[13], in[2]);
michael@0	1534	u[4] = _mm_unpacklo_epi16(in[11], in[4]);
michael@0	1535	u[5] = _mm_unpackhi_epi16(in[11], in[4]);
michael@0	1536	u[6] = _mm_unpacklo_epi16(in[9], in[6]);
michael@0	1537	u[7] = _mm_unpackhi_epi16(in[9], in[6]);
michael@0	1538	u[8] = _mm_unpacklo_epi16(in[7], in[8]);
michael@0	1539	u[9] = _mm_unpackhi_epi16(in[7], in[8]);
michael@0	1540	u[10] = _mm_unpacklo_epi16(in[5], in[10]);
michael@0	1541	u[11] = _mm_unpackhi_epi16(in[5], in[10]);
michael@0	1542	u[12] = _mm_unpacklo_epi16(in[3], in[12]);
michael@0	1543	u[13] = _mm_unpackhi_epi16(in[3], in[12]);
michael@0	1544	u[14] = _mm_unpacklo_epi16(in[1], in[14]);
michael@0	1545	u[15] = _mm_unpackhi_epi16(in[1], in[14]);
michael@0	1546
michael@0	1547	v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
michael@0	1548	v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
michael@0	1549	v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
michael@0	1550	v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
michael@0	1551	v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
michael@0	1552	v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
michael@0	1553	v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
michael@0	1554	v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
michael@0	1555	v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
michael@0	1556	v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
michael@0	1557	v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
michael@0	1558	v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
michael@0	1559	v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
michael@0	1560	v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
michael@0	1561	v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
michael@0	1562	v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
michael@0	1563	v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
michael@0	1564	v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
michael@0	1565	v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
michael@0	1566	v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
michael@0	1567	v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
michael@0	1568	v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
michael@0	1569	v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
michael@0	1570	v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
michael@0	1571	v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
michael@0	1572	v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
michael@0	1573	v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
michael@0	1574	v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
michael@0	1575	v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
michael@0	1576	v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
michael@0	1577	v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
michael@0	1578	v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
michael@0	1579
michael@0	1580	u[0] = _mm_add_epi32(v[0], v[16]);
michael@0	1581	u[1] = _mm_add_epi32(v[1], v[17]);
michael@0	1582	u[2] = _mm_add_epi32(v[2], v[18]);
michael@0	1583	u[3] = _mm_add_epi32(v[3], v[19]);
michael@0	1584	u[4] = _mm_add_epi32(v[4], v[20]);
michael@0	1585	u[5] = _mm_add_epi32(v[5], v[21]);
michael@0	1586	u[6] = _mm_add_epi32(v[6], v[22]);
michael@0	1587	u[7] = _mm_add_epi32(v[7], v[23]);
michael@0	1588	u[8] = _mm_add_epi32(v[8], v[24]);
michael@0	1589	u[9] = _mm_add_epi32(v[9], v[25]);
michael@0	1590	u[10] = _mm_add_epi32(v[10], v[26]);
michael@0	1591	u[11] = _mm_add_epi32(v[11], v[27]);
michael@0	1592	u[12] = _mm_add_epi32(v[12], v[28]);
michael@0	1593	u[13] = _mm_add_epi32(v[13], v[29]);
michael@0	1594	u[14] = _mm_add_epi32(v[14], v[30]);
michael@0	1595	u[15] = _mm_add_epi32(v[15], v[31]);
michael@0	1596	u[16] = _mm_sub_epi32(v[0], v[16]);
michael@0	1597	u[17] = _mm_sub_epi32(v[1], v[17]);
michael@0	1598	u[18] = _mm_sub_epi32(v[2], v[18]);
michael@0	1599	u[19] = _mm_sub_epi32(v[3], v[19]);
michael@0	1600	u[20] = _mm_sub_epi32(v[4], v[20]);
michael@0	1601	u[21] = _mm_sub_epi32(v[5], v[21]);
michael@0	1602	u[22] = _mm_sub_epi32(v[6], v[22]);
michael@0	1603	u[23] = _mm_sub_epi32(v[7], v[23]);
michael@0	1604	u[24] = _mm_sub_epi32(v[8], v[24]);
michael@0	1605	u[25] = _mm_sub_epi32(v[9], v[25]);
michael@0	1606	u[26] = _mm_sub_epi32(v[10], v[26]);
michael@0	1607	u[27] = _mm_sub_epi32(v[11], v[27]);
michael@0	1608	u[28] = _mm_sub_epi32(v[12], v[28]);
michael@0	1609	u[29] = _mm_sub_epi32(v[13], v[29]);
michael@0	1610	u[30] = _mm_sub_epi32(v[14], v[30]);
michael@0	1611	u[31] = _mm_sub_epi32(v[15], v[31]);
michael@0	1612
michael@0	1613	v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
michael@0	1614	v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
michael@0	1615	v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
michael@0	1616	v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
michael@0	1617	v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
michael@0	1618	v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
michael@0	1619	v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
michael@0	1620	v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
michael@0	1621	v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
michael@0	1622	v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
michael@0	1623	v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
michael@0	1624	v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
michael@0	1625	v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
michael@0	1626	v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
michael@0	1627	v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
michael@0	1628	v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
michael@0	1629	v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING);
michael@0	1630	v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING);
michael@0	1631	v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING);
michael@0	1632	v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING);
michael@0	1633	v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING);
michael@0	1634	v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING);
michael@0	1635	v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING);
michael@0	1636	v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING);
michael@0	1637	v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING);
michael@0	1638	v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING);
michael@0	1639	v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING);
michael@0	1640	v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING);
michael@0	1641	v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING);
michael@0	1642	v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING);
michael@0	1643	v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING);
michael@0	1644	v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING);
michael@0	1645
michael@0	1646	u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
michael@0	1647	u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
michael@0	1648	u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
michael@0	1649	u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
michael@0	1650	u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
michael@0	1651	u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
michael@0	1652	u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
michael@0	1653	u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
michael@0	1654	u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
michael@0	1655	u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
michael@0	1656	u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
michael@0	1657	u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
michael@0	1658	u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
michael@0	1659	u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
michael@0	1660	u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
michael@0	1661	u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
michael@0	1662	u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS);
michael@0	1663	u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS);
michael@0	1664	u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS);
michael@0	1665	u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS);
michael@0	1666	u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS);
michael@0	1667	u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS);
michael@0	1668	u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS);
michael@0	1669	u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS);
michael@0	1670	u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS);
michael@0	1671	u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS);
michael@0	1672	u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS);
michael@0	1673	u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS);
michael@0	1674	u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS);
michael@0	1675	u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS);
michael@0	1676	u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS);
michael@0	1677	u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS);
michael@0	1678
michael@0	1679	s[0] = _mm_packs_epi32(u[0], u[1]);
michael@0	1680	s[1] = _mm_packs_epi32(u[2], u[3]);
michael@0	1681	s[2] = _mm_packs_epi32(u[4], u[5]);
michael@0	1682	s[3] = _mm_packs_epi32(u[6], u[7]);
michael@0	1683	s[4] = _mm_packs_epi32(u[8], u[9]);
michael@0	1684	s[5] = _mm_packs_epi32(u[10], u[11]);
michael@0	1685	s[6] = _mm_packs_epi32(u[12], u[13]);
michael@0	1686	s[7] = _mm_packs_epi32(u[14], u[15]);
michael@0	1687	s[8] = _mm_packs_epi32(u[16], u[17]);
michael@0	1688	s[9] = _mm_packs_epi32(u[18], u[19]);
michael@0	1689	s[10] = _mm_packs_epi32(u[20], u[21]);
michael@0	1690	s[11] = _mm_packs_epi32(u[22], u[23]);
michael@0	1691	s[12] = _mm_packs_epi32(u[24], u[25]);
michael@0	1692	s[13] = _mm_packs_epi32(u[26], u[27]);
michael@0	1693	s[14] = _mm_packs_epi32(u[28], u[29]);
michael@0	1694	s[15] = _mm_packs_epi32(u[30], u[31]);
michael@0	1695
michael@0	1696	// stage 2
michael@0	1697	u[0] = _mm_unpacklo_epi16(s[8], s[9]);
michael@0	1698	u[1] = _mm_unpackhi_epi16(s[8], s[9]);
michael@0	1699	u[2] = _mm_unpacklo_epi16(s[10], s[11]);
michael@0	1700	u[3] = _mm_unpackhi_epi16(s[10], s[11]);
michael@0	1701	u[4] = _mm_unpacklo_epi16(s[12], s[13]);
michael@0	1702	u[5] = _mm_unpackhi_epi16(s[12], s[13]);
michael@0	1703	u[6] = _mm_unpacklo_epi16(s[14], s[15]);
michael@0	1704	u[7] = _mm_unpackhi_epi16(s[14], s[15]);
michael@0	1705
michael@0	1706	v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
michael@0	1707	v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
michael@0	1708	v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
michael@0	1709	v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
michael@0	1710	v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
michael@0	1711	v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
michael@0	1712	v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
michael@0	1713	v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
michael@0	1714	v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
michael@0	1715	v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
michael@0	1716	v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
michael@0	1717	v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
michael@0	1718	v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
michael@0	1719	v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
michael@0	1720	v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
michael@0	1721	v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
michael@0	1722
michael@0	1723	u[0] = _mm_add_epi32(v[0], v[8]);
michael@0	1724	u[1] = _mm_add_epi32(v[1], v[9]);
michael@0	1725	u[2] = _mm_add_epi32(v[2], v[10]);
michael@0	1726	u[3] = _mm_add_epi32(v[3], v[11]);
michael@0	1727	u[4] = _mm_add_epi32(v[4], v[12]);
michael@0	1728	u[5] = _mm_add_epi32(v[5], v[13]);
michael@0	1729	u[6] = _mm_add_epi32(v[6], v[14]);
michael@0	1730	u[7] = _mm_add_epi32(v[7], v[15]);
michael@0	1731	u[8] = _mm_sub_epi32(v[0], v[8]);
michael@0	1732	u[9] = _mm_sub_epi32(v[1], v[9]);
michael@0	1733	u[10] = _mm_sub_epi32(v[2], v[10]);
michael@0	1734	u[11] = _mm_sub_epi32(v[3], v[11]);
michael@0	1735	u[12] = _mm_sub_epi32(v[4], v[12]);
michael@0	1736	u[13] = _mm_sub_epi32(v[5], v[13]);
michael@0	1737	u[14] = _mm_sub_epi32(v[6], v[14]);
michael@0	1738	u[15] = _mm_sub_epi32(v[7], v[15]);
michael@0	1739
michael@0	1740	v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
michael@0	1741	v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
michael@0	1742	v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
michael@0	1743	v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
michael@0	1744	v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
michael@0	1745	v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
michael@0	1746	v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
michael@0	1747	v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
michael@0	1748	v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
michael@0	1749	v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
michael@0	1750	v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
michael@0	1751	v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
michael@0	1752	v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
michael@0	1753	v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
michael@0	1754	v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
michael@0	1755	v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
michael@0	1756
michael@0	1757	u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
michael@0	1758	u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
michael@0	1759	u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
michael@0	1760	u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
michael@0	1761	u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
michael@0	1762	u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
michael@0	1763	u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
michael@0	1764	u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
michael@0	1765	u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
michael@0	1766	u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
michael@0	1767	u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
michael@0	1768	u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
michael@0	1769	u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
michael@0	1770	u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
michael@0	1771	u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
michael@0	1772	u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
michael@0	1773
michael@0	1774	x[0] = _mm_add_epi16(s[0], s[4]);
michael@0	1775	x[1] = _mm_add_epi16(s[1], s[5]);
michael@0	1776	x[2] = _mm_add_epi16(s[2], s[6]);
michael@0	1777	x[3] = _mm_add_epi16(s[3], s[7]);
michael@0	1778	x[4] = _mm_sub_epi16(s[0], s[4]);
michael@0	1779	x[5] = _mm_sub_epi16(s[1], s[5]);
michael@0	1780	x[6] = _mm_sub_epi16(s[2], s[6]);
michael@0	1781	x[7] = _mm_sub_epi16(s[3], s[7]);
michael@0	1782	x[8] = _mm_packs_epi32(u[0], u[1]);
michael@0	1783	x[9] = _mm_packs_epi32(u[2], u[3]);
michael@0	1784	x[10] = _mm_packs_epi32(u[4], u[5]);
michael@0	1785	x[11] = _mm_packs_epi32(u[6], u[7]);
michael@0	1786	x[12] = _mm_packs_epi32(u[8], u[9]);
michael@0	1787	x[13] = _mm_packs_epi32(u[10], u[11]);
michael@0	1788	x[14] = _mm_packs_epi32(u[12], u[13]);
michael@0	1789	x[15] = _mm_packs_epi32(u[14], u[15]);
michael@0	1790
michael@0	1791	// stage 3
michael@0	1792	u[0] = _mm_unpacklo_epi16(x[4], x[5]);
michael@0	1793	u[1] = _mm_unpackhi_epi16(x[4], x[5]);
michael@0	1794	u[2] = _mm_unpacklo_epi16(x[6], x[7]);
michael@0	1795	u[3] = _mm_unpackhi_epi16(x[6], x[7]);
michael@0	1796	u[4] = _mm_unpacklo_epi16(x[12], x[13]);
michael@0	1797	u[5] = _mm_unpackhi_epi16(x[12], x[13]);
michael@0	1798	u[6] = _mm_unpacklo_epi16(x[14], x[15]);
michael@0	1799	u[7] = _mm_unpackhi_epi16(x[14], x[15]);
michael@0	1800
michael@0	1801	v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
michael@0	1802	v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
michael@0	1803	v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
michael@0	1804	v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
michael@0	1805	v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
michael@0	1806	v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
michael@0	1807	v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
michael@0	1808	v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
michael@0	1809	v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
michael@0	1810	v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
michael@0	1811	v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
michael@0	1812	v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
michael@0	1813	v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
michael@0	1814	v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
michael@0	1815	v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
michael@0	1816	v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
michael@0	1817
michael@0	1818	u[0] = _mm_add_epi32(v[0], v[4]);
michael@0	1819	u[1] = _mm_add_epi32(v[1], v[5]);
michael@0	1820	u[2] = _mm_add_epi32(v[2], v[6]);
michael@0	1821	u[3] = _mm_add_epi32(v[3], v[7]);
michael@0	1822	u[4] = _mm_sub_epi32(v[0], v[4]);
michael@0	1823	u[5] = _mm_sub_epi32(v[1], v[5]);
michael@0	1824	u[6] = _mm_sub_epi32(v[2], v[6]);
michael@0	1825	u[7] = _mm_sub_epi32(v[3], v[7]);
michael@0	1826	u[8] = _mm_add_epi32(v[8], v[12]);
michael@0	1827	u[9] = _mm_add_epi32(v[9], v[13]);
michael@0	1828	u[10] = _mm_add_epi32(v[10], v[14]);
michael@0	1829	u[11] = _mm_add_epi32(v[11], v[15]);
michael@0	1830	u[12] = _mm_sub_epi32(v[8], v[12]);
michael@0	1831	u[13] = _mm_sub_epi32(v[9], v[13]);
michael@0	1832	u[14] = _mm_sub_epi32(v[10], v[14]);
michael@0	1833	u[15] = _mm_sub_epi32(v[11], v[15]);
michael@0	1834
michael@0	1835	u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
michael@0	1836	u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
michael@0	1837	u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
michael@0	1838	u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
michael@0	1839	u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
michael@0	1840	u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
michael@0	1841	u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
michael@0	1842	u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
michael@0	1843	u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
michael@0	1844	u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
michael@0	1845	u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
michael@0	1846	u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
michael@0	1847	u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
michael@0	1848	u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
michael@0	1849	u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
michael@0	1850	u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
michael@0	1851
michael@0	1852	v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
michael@0	1853	v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
michael@0	1854	v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
michael@0	1855	v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
michael@0	1856	v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
michael@0	1857	v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
michael@0	1858	v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
michael@0	1859	v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
michael@0	1860	v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
michael@0	1861	v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
michael@0	1862	v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
michael@0	1863	v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
michael@0	1864	v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
michael@0	1865	v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
michael@0	1866	v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
michael@0	1867	v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
michael@0	1868
michael@0	1869	s[0] = _mm_add_epi16(x[0], x[2]);
michael@0	1870	s[1] = _mm_add_epi16(x[1], x[3]);
michael@0	1871	s[2] = _mm_sub_epi16(x[0], x[2]);
michael@0	1872	s[3] = _mm_sub_epi16(x[1], x[3]);
michael@0	1873	s[4] = _mm_packs_epi32(v[0], v[1]);
michael@0	1874	s[5] = _mm_packs_epi32(v[2], v[3]);
michael@0	1875	s[6] = _mm_packs_epi32(v[4], v[5]);
michael@0	1876	s[7] = _mm_packs_epi32(v[6], v[7]);
michael@0	1877	s[8] = _mm_add_epi16(x[8], x[10]);
michael@0	1878	s[9] = _mm_add_epi16(x[9], x[11]);
michael@0	1879	s[10] = _mm_sub_epi16(x[8], x[10]);
michael@0	1880	s[11] = _mm_sub_epi16(x[9], x[11]);
michael@0	1881	s[12] = _mm_packs_epi32(v[8], v[9]);
michael@0	1882	s[13] = _mm_packs_epi32(v[10], v[11]);
michael@0	1883	s[14] = _mm_packs_epi32(v[12], v[13]);
michael@0	1884	s[15] = _mm_packs_epi32(v[14], v[15]);
michael@0	1885
michael@0	1886	// stage 4
michael@0	1887	u[0] = _mm_unpacklo_epi16(s[2], s[3]);
michael@0	1888	u[1] = _mm_unpackhi_epi16(s[2], s[3]);
michael@0	1889	u[2] = _mm_unpacklo_epi16(s[6], s[7]);
michael@0	1890	u[3] = _mm_unpackhi_epi16(s[6], s[7]);
michael@0	1891	u[4] = _mm_unpacklo_epi16(s[10], s[11]);
michael@0	1892	u[5] = _mm_unpackhi_epi16(s[10], s[11]);
michael@0	1893	u[6] = _mm_unpacklo_epi16(s[14], s[15]);
michael@0	1894	u[7] = _mm_unpackhi_epi16(s[14], s[15]);
michael@0	1895
michael@0	1896	v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16);
michael@0	1897	v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16);
michael@0	1898	v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
michael@0	1899	v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
michael@0	1900	v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
michael@0	1901	v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
michael@0	1902	v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
michael@0	1903	v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
michael@0	1904	v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16);
michael@0	1905	v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16);
michael@0	1906	v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16);
michael@0	1907	v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16);
michael@0	1908	v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16);
michael@0	1909	v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16);
michael@0	1910	v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16);
michael@0	1911	v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16);
michael@0	1912
michael@0	1913	u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
michael@0	1914	u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
michael@0	1915	u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
michael@0	1916	u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
michael@0	1917	u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
michael@0	1918	u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
michael@0	1919	u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
michael@0	1920	u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
michael@0	1921	u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
michael@0	1922	u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
michael@0	1923	u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
michael@0	1924	u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
michael@0	1925	u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
michael@0	1926	u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
michael@0	1927	u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
michael@0	1928	u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
michael@0	1929
michael@0	1930	v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
michael@0	1931	v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
michael@0	1932	v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
michael@0	1933	v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
michael@0	1934	v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
michael@0	1935	v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
michael@0	1936	v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
michael@0	1937	v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
michael@0	1938	v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
michael@0	1939	v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
michael@0	1940	v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
michael@0	1941	v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
michael@0	1942	v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
michael@0	1943	v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
michael@0	1944	v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
michael@0	1945	v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
michael@0	1946
michael@0	1947	in[0] = s[0];
michael@0	1948	in[1] = _mm_sub_epi16(kZero, s[8]);
michael@0	1949	in[2] = s[12];
michael@0	1950	in[3] = _mm_sub_epi16(kZero, s[4]);
michael@0	1951	in[4] = _mm_packs_epi32(v[4], v[5]);
michael@0	1952	in[5] = _mm_packs_epi32(v[12], v[13]);
michael@0	1953	in[6] = _mm_packs_epi32(v[8], v[9]);
michael@0	1954	in[7] = _mm_packs_epi32(v[0], v[1]);
michael@0	1955	in[8] = _mm_packs_epi32(v[2], v[3]);
michael@0	1956	in[9] = _mm_packs_epi32(v[10], v[11]);
michael@0	1957	in[10] = _mm_packs_epi32(v[14], v[15]);
michael@0	1958	in[11] = _mm_packs_epi32(v[6], v[7]);
michael@0	1959	in[12] = s[5];
michael@0	1960	in[13] = _mm_sub_epi16(kZero, s[13]);
michael@0	1961	in[14] = s[9];
michael@0	1962	in[15] = _mm_sub_epi16(kZero, s[1]);
michael@0	1963	}
michael@0	1964
michael@0	1965	static void idct16_1d_8col(__m128i *in) {
michael@0	1966	const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
michael@0	1967	const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
michael@0	1968	const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
michael@0	1969	const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
michael@0	1970	const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
michael@0	1971	const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
michael@0	1972	const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
michael@0	1973	const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
michael@0	1974	const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	1975	const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	1976	const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
michael@0	1977	const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
michael@0	1978	const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64);
michael@0	1979	const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	1980	const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	1981	const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	1982	const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
michael@0	1983	const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
michael@0	1984	const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
michael@0	1985	const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
michael@0	1986	const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	1987	__m128i v[16], u[16], s[16], t[16];
michael@0	1988
michael@0	1989	// stage 1
michael@0	1990	s[0] = in[0];
michael@0	1991	s[1] = in[8];
michael@0	1992	s[2] = in[4];
michael@0	1993	s[3] = in[12];
michael@0	1994	s[4] = in[2];
michael@0	1995	s[5] = in[10];
michael@0	1996	s[6] = in[6];
michael@0	1997	s[7] = in[14];
michael@0	1998	s[8] = in[1];
michael@0	1999	s[9] = in[9];
michael@0	2000	s[10] = in[5];
michael@0	2001	s[11] = in[13];
michael@0	2002	s[12] = in[3];
michael@0	2003	s[13] = in[11];
michael@0	2004	s[14] = in[7];
michael@0	2005	s[15] = in[15];
michael@0	2006
michael@0	2007	// stage 2
michael@0	2008	u[0] = _mm_unpacklo_epi16(s[8], s[15]);
michael@0	2009	u[1] = _mm_unpackhi_epi16(s[8], s[15]);
michael@0	2010	u[2] = _mm_unpacklo_epi16(s[9], s[14]);
michael@0	2011	u[3] = _mm_unpackhi_epi16(s[9], s[14]);
michael@0	2012	u[4] = _mm_unpacklo_epi16(s[10], s[13]);
michael@0	2013	u[5] = _mm_unpackhi_epi16(s[10], s[13]);
michael@0	2014	u[6] = _mm_unpacklo_epi16(s[11], s[12]);
michael@0	2015	u[7] = _mm_unpackhi_epi16(s[11], s[12]);
michael@0	2016
michael@0	2017	v[0] = _mm_madd_epi16(u[0], k__cospi_p30_m02);
michael@0	2018	v[1] = _mm_madd_epi16(u[1], k__cospi_p30_m02);
michael@0	2019	v[2] = _mm_madd_epi16(u[0], k__cospi_p02_p30);
michael@0	2020	v[3] = _mm_madd_epi16(u[1], k__cospi_p02_p30);
michael@0	2021	v[4] = _mm_madd_epi16(u[2], k__cospi_p14_m18);
michael@0	2022	v[5] = _mm_madd_epi16(u[3], k__cospi_p14_m18);
michael@0	2023	v[6] = _mm_madd_epi16(u[2], k__cospi_p18_p14);
michael@0	2024	v[7] = _mm_madd_epi16(u[3], k__cospi_p18_p14);
michael@0	2025	v[8] = _mm_madd_epi16(u[4], k__cospi_p22_m10);
michael@0	2026	v[9] = _mm_madd_epi16(u[5], k__cospi_p22_m10);
michael@0	2027	v[10] = _mm_madd_epi16(u[4], k__cospi_p10_p22);
michael@0	2028	v[11] = _mm_madd_epi16(u[5], k__cospi_p10_p22);
michael@0	2029	v[12] = _mm_madd_epi16(u[6], k__cospi_p06_m26);
michael@0	2030	v[13] = _mm_madd_epi16(u[7], k__cospi_p06_m26);
michael@0	2031	v[14] = _mm_madd_epi16(u[6], k__cospi_p26_p06);
michael@0	2032	v[15] = _mm_madd_epi16(u[7], k__cospi_p26_p06);
michael@0	2033
michael@0	2034	u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
michael@0	2035	u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
michael@0	2036	u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
michael@0	2037	u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
michael@0	2038	u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
michael@0	2039	u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
michael@0	2040	u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
michael@0	2041	u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
michael@0	2042	u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
michael@0	2043	u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
michael@0	2044	u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
michael@0	2045	u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
michael@0	2046	u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
michael@0	2047	u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
michael@0	2048	u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
michael@0	2049	u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
michael@0	2050
michael@0	2051	u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
michael@0	2052	u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
michael@0	2053	u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
michael@0	2054	u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
michael@0	2055	u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
michael@0	2056	u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
michael@0	2057	u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
michael@0	2058	u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
michael@0	2059	u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
michael@0	2060	u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
michael@0	2061	u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
michael@0	2062	u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
michael@0	2063	u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
michael@0	2064	u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
michael@0	2065	u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
michael@0	2066	u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
michael@0	2067
michael@0	2068	s[8] = _mm_packs_epi32(u[0], u[1]);
michael@0	2069	s[15] = _mm_packs_epi32(u[2], u[3]);
michael@0	2070	s[9] = _mm_packs_epi32(u[4], u[5]);
michael@0	2071	s[14] = _mm_packs_epi32(u[6], u[7]);
michael@0	2072	s[10] = _mm_packs_epi32(u[8], u[9]);
michael@0	2073	s[13] = _mm_packs_epi32(u[10], u[11]);
michael@0	2074	s[11] = _mm_packs_epi32(u[12], u[13]);
michael@0	2075	s[12] = _mm_packs_epi32(u[14], u[15]);
michael@0	2076
michael@0	2077	// stage 3
michael@0	2078	t[0] = s[0];
michael@0	2079	t[1] = s[1];
michael@0	2080	t[2] = s[2];
michael@0	2081	t[3] = s[3];
michael@0	2082	u[0] = _mm_unpacklo_epi16(s[4], s[7]);
michael@0	2083	u[1] = _mm_unpackhi_epi16(s[4], s[7]);
michael@0	2084	u[2] = _mm_unpacklo_epi16(s[5], s[6]);
michael@0	2085	u[3] = _mm_unpackhi_epi16(s[5], s[6]);
michael@0	2086
michael@0	2087	v[0] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
michael@0	2088	v[1] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
michael@0	2089	v[2] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
michael@0	2090	v[3] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
michael@0	2091	v[4] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
michael@0	2092	v[5] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
michael@0	2093	v[6] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
michael@0	2094	v[7] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
michael@0	2095
michael@0	2096	u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
michael@0	2097	u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
michael@0	2098	u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
michael@0	2099	u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
michael@0	2100	u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
michael@0	2101	u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
michael@0	2102	u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
michael@0	2103	u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
michael@0	2104
michael@0	2105	u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
michael@0	2106	u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
michael@0	2107	u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
michael@0	2108	u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
michael@0	2109	u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
michael@0	2110	u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
michael@0	2111	u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
michael@0	2112	u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
michael@0	2113
michael@0	2114	t[4] = _mm_packs_epi32(u[0], u[1]);
michael@0	2115	t[7] = _mm_packs_epi32(u[2], u[3]);
michael@0	2116	t[5] = _mm_packs_epi32(u[4], u[5]);
michael@0	2117	t[6] = _mm_packs_epi32(u[6], u[7]);
michael@0	2118	t[8] = _mm_add_epi16(s[8], s[9]);
michael@0	2119	t[9] = _mm_sub_epi16(s[8], s[9]);
michael@0	2120	t[10] = _mm_sub_epi16(s[11], s[10]);
michael@0	2121	t[11] = _mm_add_epi16(s[10], s[11]);
michael@0	2122	t[12] = _mm_add_epi16(s[12], s[13]);
michael@0	2123	t[13] = _mm_sub_epi16(s[12], s[13]);
michael@0	2124	t[14] = _mm_sub_epi16(s[15], s[14]);
michael@0	2125	t[15] = _mm_add_epi16(s[14], s[15]);
michael@0	2126
michael@0	2127	// stage 4
michael@0	2128	u[0] = _mm_unpacklo_epi16(t[0], t[1]);
michael@0	2129	u[1] = _mm_unpackhi_epi16(t[0], t[1]);
michael@0	2130	u[2] = _mm_unpacklo_epi16(t[2], t[3]);
michael@0	2131	u[3] = _mm_unpackhi_epi16(t[2], t[3]);
michael@0	2132	u[4] = _mm_unpacklo_epi16(t[9], t[14]);
michael@0	2133	u[5] = _mm_unpackhi_epi16(t[9], t[14]);
michael@0	2134	u[6] = _mm_unpacklo_epi16(t[10], t[13]);
michael@0	2135	u[7] = _mm_unpackhi_epi16(t[10], t[13]);
michael@0	2136
michael@0	2137	v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
michael@0	2138	v[1] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
michael@0	2139	v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
michael@0	2140	v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
michael@0	2141	v[4] = _mm_madd_epi16(u[2], k__cospi_p24_m08);
michael@0	2142	v[5] = _mm_madd_epi16(u[3], k__cospi_p24_m08);
michael@0	2143	v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
michael@0	2144	v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
michael@0	2145	v[8] = _mm_madd_epi16(u[4], k__cospi_m08_p24);
michael@0	2146	v[9] = _mm_madd_epi16(u[5], k__cospi_m08_p24);
michael@0	2147	v[10] = _mm_madd_epi16(u[4], k__cospi_p24_p08);
michael@0	2148	v[11] = _mm_madd_epi16(u[5], k__cospi_p24_p08);
michael@0	2149	v[12] = _mm_madd_epi16(u[6], k__cospi_m24_m08);
michael@0	2150	v[13] = _mm_madd_epi16(u[7], k__cospi_m24_m08);
michael@0	2151	v[14] = _mm_madd_epi16(u[6], k__cospi_m08_p24);
michael@0	2152	v[15] = _mm_madd_epi16(u[7], k__cospi_m08_p24);
michael@0	2153
michael@0	2154	u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
michael@0	2155	u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
michael@0	2156	u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
michael@0	2157	u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
michael@0	2158	u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
michael@0	2159	u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
michael@0	2160	u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
michael@0	2161	u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
michael@0	2162	u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
michael@0	2163	u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
michael@0	2164	u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
michael@0	2165	u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
michael@0	2166	u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
michael@0	2167	u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
michael@0	2168	u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
michael@0	2169	u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
michael@0	2170
michael@0	2171	u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
michael@0	2172	u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
michael@0	2173	u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
michael@0	2174	u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
michael@0	2175	u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
michael@0	2176	u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
michael@0	2177	u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
michael@0	2178	u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
michael@0	2179	u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
michael@0	2180	u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
michael@0	2181	u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
michael@0	2182	u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
michael@0	2183	u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
michael@0	2184	u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
michael@0	2185	u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
michael@0	2186	u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
michael@0	2187
michael@0	2188	s[0] = _mm_packs_epi32(u[0], u[1]);
michael@0	2189	s[1] = _mm_packs_epi32(u[2], u[3]);
michael@0	2190	s[2] = _mm_packs_epi32(u[4], u[5]);
michael@0	2191	s[3] = _mm_packs_epi32(u[6], u[7]);
michael@0	2192	s[4] = _mm_add_epi16(t[4], t[5]);
michael@0	2193	s[5] = _mm_sub_epi16(t[4], t[5]);
michael@0	2194	s[6] = _mm_sub_epi16(t[7], t[6]);
michael@0	2195	s[7] = _mm_add_epi16(t[6], t[7]);
michael@0	2196	s[8] = t[8];
michael@0	2197	s[15] = t[15];
michael@0	2198	s[9] = _mm_packs_epi32(u[8], u[9]);
michael@0	2199	s[14] = _mm_packs_epi32(u[10], u[11]);
michael@0	2200	s[10] = _mm_packs_epi32(u[12], u[13]);
michael@0	2201	s[13] = _mm_packs_epi32(u[14], u[15]);
michael@0	2202	s[11] = t[11];
michael@0	2203	s[12] = t[12];
michael@0	2204
michael@0	2205	// stage 5
michael@0	2206	t[0] = _mm_add_epi16(s[0], s[3]);
michael@0	2207	t[1] = _mm_add_epi16(s[1], s[2]);
michael@0	2208	t[2] = _mm_sub_epi16(s[1], s[2]);
michael@0	2209	t[3] = _mm_sub_epi16(s[0], s[3]);
michael@0	2210	t[4] = s[4];
michael@0	2211	t[7] = s[7];
michael@0	2212
michael@0	2213	u[0] = _mm_unpacklo_epi16(s[5], s[6]);
michael@0	2214	u[1] = _mm_unpackhi_epi16(s[5], s[6]);
michael@0	2215	v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
michael@0	2216	v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
michael@0	2217	v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
michael@0	2218	v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
michael@0	2219	u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
michael@0	2220	u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
michael@0	2221	u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
michael@0	2222	u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
michael@0	2223	u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
michael@0	2224	u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
michael@0	2225	u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
michael@0	2226	u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
michael@0	2227	t[5] = _mm_packs_epi32(u[0], u[1]);
michael@0	2228	t[6] = _mm_packs_epi32(u[2], u[3]);
michael@0	2229
michael@0	2230	t[8] = _mm_add_epi16(s[8], s[11]);
michael@0	2231	t[9] = _mm_add_epi16(s[9], s[10]);
michael@0	2232	t[10] = _mm_sub_epi16(s[9], s[10]);
michael@0	2233	t[11] = _mm_sub_epi16(s[8], s[11]);
michael@0	2234	t[12] = _mm_sub_epi16(s[15], s[12]);
michael@0	2235	t[13] = _mm_sub_epi16(s[14], s[13]);
michael@0	2236	t[14] = _mm_add_epi16(s[13], s[14]);
michael@0	2237	t[15] = _mm_add_epi16(s[12], s[15]);
michael@0	2238
michael@0	2239	// stage 6
michael@0	2240	s[0] = _mm_add_epi16(t[0], t[7]);
michael@0	2241	s[1] = _mm_add_epi16(t[1], t[6]);
michael@0	2242	s[2] = _mm_add_epi16(t[2], t[5]);
michael@0	2243	s[3] = _mm_add_epi16(t[3], t[4]);
michael@0	2244	s[4] = _mm_sub_epi16(t[3], t[4]);
michael@0	2245	s[5] = _mm_sub_epi16(t[2], t[5]);
michael@0	2246	s[6] = _mm_sub_epi16(t[1], t[6]);
michael@0	2247	s[7] = _mm_sub_epi16(t[0], t[7]);
michael@0	2248	s[8] = t[8];
michael@0	2249	s[9] = t[9];
michael@0	2250
michael@0	2251	u[0] = _mm_unpacklo_epi16(t[10], t[13]);
michael@0	2252	u[1] = _mm_unpackhi_epi16(t[10], t[13]);
michael@0	2253	u[2] = _mm_unpacklo_epi16(t[11], t[12]);
michael@0	2254	u[3] = _mm_unpackhi_epi16(t[11], t[12]);
michael@0	2255
michael@0	2256	v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
michael@0	2257	v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
michael@0	2258	v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
michael@0	2259	v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
michael@0	2260	v[4] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
michael@0	2261	v[5] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
michael@0	2262	v[6] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
michael@0	2263	v[7] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
michael@0	2264
michael@0	2265	u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
michael@0	2266	u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
michael@0	2267	u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
michael@0	2268	u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
michael@0	2269	u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
michael@0	2270	u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
michael@0	2271	u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
michael@0	2272	u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
michael@0	2273
michael@0	2274	u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
michael@0	2275	u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
michael@0	2276	u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
michael@0	2277	u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
michael@0	2278	u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
michael@0	2279	u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
michael@0	2280	u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
michael@0	2281	u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
michael@0	2282
michael@0	2283	s[10] = _mm_packs_epi32(u[0], u[1]);
michael@0	2284	s[13] = _mm_packs_epi32(u[2], u[3]);
michael@0	2285	s[11] = _mm_packs_epi32(u[4], u[5]);
michael@0	2286	s[12] = _mm_packs_epi32(u[6], u[7]);
michael@0	2287	s[14] = t[14];
michael@0	2288	s[15] = t[15];
michael@0	2289
michael@0	2290	// stage 7
michael@0	2291	in[0] = _mm_add_epi16(s[0], s[15]);
michael@0	2292	in[1] = _mm_add_epi16(s[1], s[14]);
michael@0	2293	in[2] = _mm_add_epi16(s[2], s[13]);
michael@0	2294	in[3] = _mm_add_epi16(s[3], s[12]);
michael@0	2295	in[4] = _mm_add_epi16(s[4], s[11]);
michael@0	2296	in[5] = _mm_add_epi16(s[5], s[10]);
michael@0	2297	in[6] = _mm_add_epi16(s[6], s[9]);
michael@0	2298	in[7] = _mm_add_epi16(s[7], s[8]);
michael@0	2299	in[8] = _mm_sub_epi16(s[7], s[8]);
michael@0	2300	in[9] = _mm_sub_epi16(s[6], s[9]);
michael@0	2301	in[10] = _mm_sub_epi16(s[5], s[10]);
michael@0	2302	in[11] = _mm_sub_epi16(s[4], s[11]);
michael@0	2303	in[12] = _mm_sub_epi16(s[3], s[12]);
michael@0	2304	in[13] = _mm_sub_epi16(s[2], s[13]);
michael@0	2305	in[14] = _mm_sub_epi16(s[1], s[14]);
michael@0	2306	in[15] = _mm_sub_epi16(s[0], s[15]);
michael@0	2307	}
michael@0	2308
michael@0	2309	static void idct16_1d_sse2(__m128i *in0, __m128i *in1) {
michael@0	2310	array_transpose_16x16(in0, in1);
michael@0	2311	idct16_1d_8col(in0);
michael@0	2312	idct16_1d_8col(in1);
michael@0	2313	}
michael@0	2314
michael@0	2315	static void iadst16_1d_sse2(__m128i *in0, __m128i *in1) {
michael@0	2316	array_transpose_16x16(in0, in1);
michael@0	2317	iadst16_1d_8col(in0);
michael@0	2318	iadst16_1d_8col(in1);
michael@0	2319	}
michael@0	2320
michael@0	2321	static INLINE void load_buffer_8x16(const int16_t *input, __m128i *in) {
michael@0	2322	in[0] = _mm_load_si128((const __m128i *)(input + 0 * 16));
michael@0	2323	in[1] = _mm_load_si128((const __m128i *)(input + 1 * 16));
michael@0	2324	in[2] = _mm_load_si128((const __m128i *)(input + 2 * 16));
michael@0	2325	in[3] = _mm_load_si128((const __m128i *)(input + 3 * 16));
michael@0	2326	in[4] = _mm_load_si128((const __m128i *)(input + 4 * 16));
michael@0	2327	in[5] = _mm_load_si128((const __m128i *)(input + 5 * 16));
michael@0	2328	in[6] = _mm_load_si128((const __m128i *)(input + 6 * 16));
michael@0	2329	in[7] = _mm_load_si128((const __m128i *)(input + 7 * 16));
michael@0	2330
michael@0	2331	in[8] = _mm_load_si128((const __m128i *)(input + 8 * 16));
michael@0	2332	in[9] = _mm_load_si128((const __m128i *)(input + 9 * 16));
michael@0	2333	in[10] = _mm_load_si128((const __m128i *)(input + 10 * 16));
michael@0	2334	in[11] = _mm_load_si128((const __m128i *)(input + 11 * 16));
michael@0	2335	in[12] = _mm_load_si128((const __m128i *)(input + 12 * 16));
michael@0	2336	in[13] = _mm_load_si128((const __m128i *)(input + 13 * 16));
michael@0	2337	in[14] = _mm_load_si128((const __m128i *)(input + 14 * 16));
michael@0	2338	in[15] = _mm_load_si128((const __m128i *)(input + 15 * 16));
michael@0	2339	}
michael@0	2340
michael@0	2341	static INLINE void write_buffer_8x16(uint8_t *dest, __m128i *in, int stride) {
michael@0	2342	const __m128i final_rounding = _mm_set1_epi16(1<<5);
michael@0	2343	const __m128i zero = _mm_setzero_si128();
michael@0	2344	// Final rounding and shift
michael@0	2345	in[0] = _mm_adds_epi16(in[0], final_rounding);
michael@0	2346	in[1] = _mm_adds_epi16(in[1], final_rounding);
michael@0	2347	in[2] = _mm_adds_epi16(in[2], final_rounding);
michael@0	2348	in[3] = _mm_adds_epi16(in[3], final_rounding);
michael@0	2349	in[4] = _mm_adds_epi16(in[4], final_rounding);
michael@0	2350	in[5] = _mm_adds_epi16(in[5], final_rounding);
michael@0	2351	in[6] = _mm_adds_epi16(in[6], final_rounding);
michael@0	2352	in[7] = _mm_adds_epi16(in[7], final_rounding);
michael@0	2353	in[8] = _mm_adds_epi16(in[8], final_rounding);
michael@0	2354	in[9] = _mm_adds_epi16(in[9], final_rounding);
michael@0	2355	in[10] = _mm_adds_epi16(in[10], final_rounding);
michael@0	2356	in[11] = _mm_adds_epi16(in[11], final_rounding);
michael@0	2357	in[12] = _mm_adds_epi16(in[12], final_rounding);
michael@0	2358	in[13] = _mm_adds_epi16(in[13], final_rounding);
michael@0	2359	in[14] = _mm_adds_epi16(in[14], final_rounding);
michael@0	2360	in[15] = _mm_adds_epi16(in[15], final_rounding);
michael@0	2361
michael@0	2362	in[0] = _mm_srai_epi16(in[0], 6);
michael@0	2363	in[1] = _mm_srai_epi16(in[1], 6);
michael@0	2364	in[2] = _mm_srai_epi16(in[2], 6);
michael@0	2365	in[3] = _mm_srai_epi16(in[3], 6);
michael@0	2366	in[4] = _mm_srai_epi16(in[4], 6);
michael@0	2367	in[5] = _mm_srai_epi16(in[5], 6);
michael@0	2368	in[6] = _mm_srai_epi16(in[6], 6);
michael@0	2369	in[7] = _mm_srai_epi16(in[7], 6);
michael@0	2370	in[8] = _mm_srai_epi16(in[8], 6);
michael@0	2371	in[9] = _mm_srai_epi16(in[9], 6);
michael@0	2372	in[10] = _mm_srai_epi16(in[10], 6);
michael@0	2373	in[11] = _mm_srai_epi16(in[11], 6);
michael@0	2374	in[12] = _mm_srai_epi16(in[12], 6);
michael@0	2375	in[13] = _mm_srai_epi16(in[13], 6);
michael@0	2376	in[14] = _mm_srai_epi16(in[14], 6);
michael@0	2377	in[15] = _mm_srai_epi16(in[15], 6);
michael@0	2378
michael@0	2379	RECON_AND_STORE(dest, in[0]);
michael@0	2380	RECON_AND_STORE(dest, in[1]);
michael@0	2381	RECON_AND_STORE(dest, in[2]);
michael@0	2382	RECON_AND_STORE(dest, in[3]);
michael@0	2383	RECON_AND_STORE(dest, in[4]);
michael@0	2384	RECON_AND_STORE(dest, in[5]);
michael@0	2385	RECON_AND_STORE(dest, in[6]);
michael@0	2386	RECON_AND_STORE(dest, in[7]);
michael@0	2387	RECON_AND_STORE(dest, in[8]);
michael@0	2388	RECON_AND_STORE(dest, in[9]);
michael@0	2389	RECON_AND_STORE(dest, in[10]);
michael@0	2390	RECON_AND_STORE(dest, in[11]);
michael@0	2391	RECON_AND_STORE(dest, in[12]);
michael@0	2392	RECON_AND_STORE(dest, in[13]);
michael@0	2393	RECON_AND_STORE(dest, in[14]);
michael@0	2394	RECON_AND_STORE(dest, in[15]);
michael@0	2395	}
michael@0	2396
michael@0	2397	void vp9_iht16x16_256_add_sse2(const int16_t *input, uint8_t *dest, int stride,
michael@0	2398	int tx_type) {
michael@0	2399	__m128i in0[16], in1[16];
michael@0	2400
michael@0	2401	load_buffer_8x16(input, in0);
michael@0	2402	input += 8;
michael@0	2403	load_buffer_8x16(input, in1);
michael@0	2404
michael@0	2405	switch (tx_type) {
michael@0	2406	case 0: // DCT_DCT
michael@0	2407	idct16_1d_sse2(in0, in1);
michael@0	2408	idct16_1d_sse2(in0, in1);
michael@0	2409	break;
michael@0	2410	case 1: // ADST_DCT
michael@0	2411	idct16_1d_sse2(in0, in1);
michael@0	2412	iadst16_1d_sse2(in0, in1);
michael@0	2413	break;
michael@0	2414	case 2: // DCT_ADST
michael@0	2415	iadst16_1d_sse2(in0, in1);
michael@0	2416	idct16_1d_sse2(in0, in1);
michael@0	2417	break;
michael@0	2418	case 3: // ADST_ADST
michael@0	2419	iadst16_1d_sse2(in0, in1);
michael@0	2420	iadst16_1d_sse2(in0, in1);
michael@0	2421	break;
michael@0	2422	default:
michael@0	2423	assert(0);
michael@0	2424	break;
michael@0	2425	}
michael@0	2426
michael@0	2427	write_buffer_8x16(dest, in0, stride);
michael@0	2428	dest += 8;
michael@0	2429	write_buffer_8x16(dest, in1, stride);
michael@0	2430	}
michael@0	2431
michael@0	2432	void vp9_idct16x16_10_add_sse2(const int16_t *input, uint8_t *dest,
michael@0	2433	int stride) {
michael@0	2434	const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	2435	const __m128i final_rounding = _mm_set1_epi16(1<<5);
michael@0	2436	const __m128i zero = _mm_setzero_si128();
michael@0	2437
michael@0	2438	const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
michael@0	2439	const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
michael@0	2440	const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
michael@0	2441	const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
michael@0	2442	const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
michael@0	2443	const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
michael@0	2444	const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
michael@0	2445	const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
michael@0	2446
michael@0	2447	const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	2448	const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	2449	const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
michael@0	2450	const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
michael@0	2451
michael@0	2452	const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
michael@0	2453	const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	2454	const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	2455	const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	2456	const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
michael@0	2457	const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
michael@0	2458	const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
michael@0	2459	const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
michael@0	2460
michael@0	2461	const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
michael@0	2462
michael@0	2463	__m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
michael@0	2464	in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
michael@0	2465	in10 = zero, in11 = zero, in12 = zero, in13 = zero,
michael@0	2466	in14 = zero, in15 = zero;
michael@0	2467	__m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
michael@0	2468	l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
michael@0	2469	l12 = zero, l13 = zero, l14 = zero, l15 = zero;
michael@0	2470
michael@0	2471	__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
michael@0	2472	stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
michael@0	2473	stp1_8_0, stp1_12_0;
michael@0	2474	__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
michael@0	2475	stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
michael@0	2476	__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
michael@0	2477	int i;
michael@0	2478	// 1-D idct. Load input data.
michael@0	2479	in0 = _mm_load_si128((const __m128i *)input);
michael@0	2480	in8 = _mm_load_si128((const __m128i *)(input + 8 * 1));
michael@0	2481	in1 = _mm_load_si128((const __m128i *)(input + 8 * 2));
michael@0	2482	in9 = _mm_load_si128((const __m128i *)(input + 8 * 3));
michael@0	2483	in2 = _mm_load_si128((const __m128i *)(input + 8 * 4));
michael@0	2484	in10 = _mm_load_si128((const __m128i *)(input + 8 * 5));
michael@0	2485	in3 = _mm_load_si128((const __m128i *)(input + 8 * 6));
michael@0	2486	in11 = _mm_load_si128((const __m128i *)(input + 8 * 7));
michael@0	2487
michael@0	2488	TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3);
michael@0	2489	TRANSPOSE_8X4(in8, in9, in10, in11, in8, in9, in10, in11);
michael@0	2490
michael@0	2491	// Stage2
michael@0	2492	{
michael@0	2493	const __m128i lo_1_15 = _mm_unpackhi_epi16(in0, in11);
michael@0	2494	const __m128i lo_9_7 = _mm_unpackhi_epi16(in8, in3);
michael@0	2495	const __m128i lo_5_11 = _mm_unpackhi_epi16(in2, in9);
michael@0	2496	const __m128i lo_13_3 = _mm_unpackhi_epi16(in10, in1);
michael@0	2497
michael@0	2498	tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
michael@0	2499	tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
michael@0	2500	tmp4 = _mm_madd_epi16(lo_9_7, stg2_2);
michael@0	2501	tmp6 = _mm_madd_epi16(lo_9_7, stg2_3);
michael@0	2502	tmp1 = _mm_madd_epi16(lo_5_11, stg2_4);
michael@0	2503	tmp3 = _mm_madd_epi16(lo_5_11, stg2_5);
michael@0	2504	tmp5 = _mm_madd_epi16(lo_13_3, stg2_6);
michael@0	2505	tmp7 = _mm_madd_epi16(lo_13_3, stg2_7);
michael@0	2506
michael@0	2507	tmp0 = _mm_add_epi32(tmp0, rounding);
michael@0	2508	tmp2 = _mm_add_epi32(tmp2, rounding);
michael@0	2509	tmp4 = _mm_add_epi32(tmp4, rounding);
michael@0	2510	tmp6 = _mm_add_epi32(tmp6, rounding);
michael@0	2511	tmp1 = _mm_add_epi32(tmp1, rounding);
michael@0	2512	tmp3 = _mm_add_epi32(tmp3, rounding);
michael@0	2513	tmp5 = _mm_add_epi32(tmp5, rounding);
michael@0	2514	tmp7 = _mm_add_epi32(tmp7, rounding);
michael@0	2515
michael@0	2516	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
michael@0	2517	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
michael@0	2518	tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
michael@0	2519	tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
michael@0	2520	tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
michael@0	2521	tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
michael@0	2522	tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
michael@0	2523	tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
michael@0	2524
michael@0	2525	stp2_8 = _mm_packs_epi32(tmp0, zero);
michael@0	2526	stp2_15 = _mm_packs_epi32(tmp2, zero);
michael@0	2527	stp2_9 = _mm_packs_epi32(tmp4, zero);
michael@0	2528	stp2_14 = _mm_packs_epi32(tmp6, zero);
michael@0	2529
michael@0	2530	stp2_10 = _mm_packs_epi32(tmp1, zero);
michael@0	2531	stp2_13 = _mm_packs_epi32(tmp3, zero);
michael@0	2532	stp2_11 = _mm_packs_epi32(tmp5, zero);
michael@0	2533	stp2_12 = _mm_packs_epi32(tmp7, zero);
michael@0	2534	}
michael@0	2535
michael@0	2536	// Stage3
michael@0	2537	{
michael@0	2538	const __m128i lo_2_14 = _mm_unpacklo_epi16(in1, in11);
michael@0	2539	const __m128i lo_10_6 = _mm_unpacklo_epi16(in9, in3);
michael@0	2540
michael@0	2541	tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
michael@0	2542	tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
michael@0	2543	tmp4 = _mm_madd_epi16(lo_10_6, stg3_2);
michael@0	2544	tmp6 = _mm_madd_epi16(lo_10_6, stg3_3);
michael@0	2545
michael@0	2546	tmp0 = _mm_add_epi32(tmp0, rounding);
michael@0	2547	tmp2 = _mm_add_epi32(tmp2, rounding);
michael@0	2548	tmp4 = _mm_add_epi32(tmp4, rounding);
michael@0	2549	tmp6 = _mm_add_epi32(tmp6, rounding);
michael@0	2550
michael@0	2551	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
michael@0	2552	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
michael@0	2553	tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
michael@0	2554	tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
michael@0	2555
michael@0	2556	stp1_4 = _mm_packs_epi32(tmp0, zero);
michael@0	2557	stp1_7 = _mm_packs_epi32(tmp2, zero);
michael@0	2558	stp1_5 = _mm_packs_epi32(tmp4, zero);
michael@0	2559	stp1_6 = _mm_packs_epi32(tmp6, zero);
michael@0	2560
michael@0	2561	stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9);
michael@0	2562	stp1_9 = _mm_sub_epi16(stp2_8, stp2_9);
michael@0	2563	stp1_10 = _mm_sub_epi16(stp2_11, stp2_10);
michael@0	2564	stp1_11 = _mm_add_epi16(stp2_11, stp2_10);
michael@0	2565
michael@0	2566	stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13);
michael@0	2567	stp1_13 = _mm_sub_epi16(stp2_12, stp2_13);
michael@0	2568	stp1_14 = _mm_sub_epi16(stp2_15, stp2_14);
michael@0	2569	stp1_15 = _mm_add_epi16(stp2_15, stp2_14);
michael@0	2570	}
michael@0	2571
michael@0	2572	// Stage4
michael@0	2573	{
michael@0	2574	const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8);
michael@0	2575	const __m128i lo_4_12 = _mm_unpacklo_epi16(in2, in10);
michael@0	2576	const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
michael@0	2577	const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
michael@0	2578
michael@0	2579	tmp0 = _mm_madd_epi16(lo_0_8, stg4_0);
michael@0	2580	tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
michael@0	2581	tmp4 = _mm_madd_epi16(lo_4_12, stg4_2);
michael@0	2582	tmp6 = _mm_madd_epi16(lo_4_12, stg4_3);
michael@0	2583	tmp1 = _mm_madd_epi16(lo_9_14, stg4_4);
michael@0	2584	tmp3 = _mm_madd_epi16(lo_9_14, stg4_5);
michael@0	2585	tmp5 = _mm_madd_epi16(lo_10_13, stg4_6);
michael@0	2586	tmp7 = _mm_madd_epi16(lo_10_13, stg4_7);
michael@0	2587
michael@0	2588	tmp0 = _mm_add_epi32(tmp0, rounding);
michael@0	2589	tmp2 = _mm_add_epi32(tmp2, rounding);
michael@0	2590	tmp4 = _mm_add_epi32(tmp4, rounding);
michael@0	2591	tmp6 = _mm_add_epi32(tmp6, rounding);
michael@0	2592	tmp1 = _mm_add_epi32(tmp1, rounding);
michael@0	2593	tmp3 = _mm_add_epi32(tmp3, rounding);
michael@0	2594	tmp5 = _mm_add_epi32(tmp5, rounding);
michael@0	2595	tmp7 = _mm_add_epi32(tmp7, rounding);
michael@0	2596
michael@0	2597	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
michael@0	2598	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
michael@0	2599	tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
michael@0	2600	tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
michael@0	2601	tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
michael@0	2602	tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
michael@0	2603	tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
michael@0	2604	tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
michael@0	2605
michael@0	2606	stp2_0 = _mm_packs_epi32(tmp0, zero);
michael@0	2607	stp2_1 = _mm_packs_epi32(tmp2, zero);
michael@0	2608	stp2_2 = _mm_packs_epi32(tmp4, zero);
michael@0	2609	stp2_3 = _mm_packs_epi32(tmp6, zero);
michael@0	2610	stp2_9 = _mm_packs_epi32(tmp1, zero);
michael@0	2611	stp2_14 = _mm_packs_epi32(tmp3, zero);
michael@0	2612	stp2_10 = _mm_packs_epi32(tmp5, zero);
michael@0	2613	stp2_13 = _mm_packs_epi32(tmp7, zero);
michael@0	2614
michael@0	2615	stp2_4 = _mm_add_epi16(stp1_4, stp1_5);
michael@0	2616	stp2_5 = _mm_sub_epi16(stp1_4, stp1_5);
michael@0	2617	stp2_6 = _mm_sub_epi16(stp1_7, stp1_6);
michael@0	2618	stp2_7 = _mm_add_epi16(stp1_7, stp1_6);
michael@0	2619	}
michael@0	2620
michael@0	2621	// Stage5 and Stage6
michael@0	2622	{
michael@0	2623	stp1_0 = _mm_add_epi16(stp2_0, stp2_3);
michael@0	2624	stp1_1 = _mm_add_epi16(stp2_1, stp2_2);
michael@0	2625	stp1_2 = _mm_sub_epi16(stp2_1, stp2_2);
michael@0	2626	stp1_3 = _mm_sub_epi16(stp2_0, stp2_3);
michael@0	2627
michael@0	2628	stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11);
michael@0	2629	stp1_9 = _mm_add_epi16(stp2_9, stp2_10);
michael@0	2630	stp1_10 = _mm_sub_epi16(stp2_9, stp2_10);
michael@0	2631	stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11);
michael@0	2632
michael@0	2633	stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0);
michael@0	2634	stp1_13 = _mm_sub_epi16(stp2_14, stp2_13);
michael@0	2635	stp1_14 = _mm_add_epi16(stp2_14, stp2_13);
michael@0	2636	stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0);
michael@0	2637	}
michael@0	2638
michael@0	2639	// Stage6
michael@0	2640	{
michael@0	2641	const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
michael@0	2642	const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
michael@0	2643	const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
michael@0	2644
michael@0	2645	tmp1 = _mm_madd_epi16(lo_6_5, stg4_1);
michael@0	2646	tmp3 = _mm_madd_epi16(lo_6_5, stg4_0);
michael@0	2647	tmp0 = _mm_madd_epi16(lo_10_13, stg6_0);
michael@0	2648	tmp2 = _mm_madd_epi16(lo_10_13, stg4_0);
michael@0	2649	tmp4 = _mm_madd_epi16(lo_11_12, stg6_0);
michael@0	2650	tmp6 = _mm_madd_epi16(lo_11_12, stg4_0);
michael@0	2651
michael@0	2652	tmp1 = _mm_add_epi32(tmp1, rounding);
michael@0	2653	tmp3 = _mm_add_epi32(tmp3, rounding);
michael@0	2654	tmp0 = _mm_add_epi32(tmp0, rounding);
michael@0	2655	tmp2 = _mm_add_epi32(tmp2, rounding);
michael@0	2656	tmp4 = _mm_add_epi32(tmp4, rounding);
michael@0	2657	tmp6 = _mm_add_epi32(tmp6, rounding);
michael@0	2658
michael@0	2659	tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
michael@0	2660	tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
michael@0	2661	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
michael@0	2662	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
michael@0	2663	tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
michael@0	2664	tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
michael@0	2665
michael@0	2666	stp1_5 = _mm_packs_epi32(tmp1, zero);
michael@0	2667	stp1_6 = _mm_packs_epi32(tmp3, zero);
michael@0	2668	stp2_10 = _mm_packs_epi32(tmp0, zero);
michael@0	2669	stp2_13 = _mm_packs_epi32(tmp2, zero);
michael@0	2670	stp2_11 = _mm_packs_epi32(tmp4, zero);
michael@0	2671	stp2_12 = _mm_packs_epi32(tmp6, zero);
michael@0	2672
michael@0	2673	stp2_0 = _mm_add_epi16(stp1_0, stp2_7);
michael@0	2674	stp2_1 = _mm_add_epi16(stp1_1, stp1_6);
michael@0	2675	stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
michael@0	2676	stp2_3 = _mm_add_epi16(stp1_3, stp2_4);
michael@0	2677	stp2_4 = _mm_sub_epi16(stp1_3, stp2_4);
michael@0	2678	stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
michael@0	2679	stp2_6 = _mm_sub_epi16(stp1_1, stp1_6);
michael@0	2680	stp2_7 = _mm_sub_epi16(stp1_0, stp2_7);
michael@0	2681	}
michael@0	2682
michael@0	2683	// Stage7. Left 8x16 only.
michael@0	2684	l0 = _mm_add_epi16(stp2_0, stp1_15);
michael@0	2685	l1 = _mm_add_epi16(stp2_1, stp1_14);
michael@0	2686	l2 = _mm_add_epi16(stp2_2, stp2_13);
michael@0	2687	l3 = _mm_add_epi16(stp2_3, stp2_12);
michael@0	2688	l4 = _mm_add_epi16(stp2_4, stp2_11);
michael@0	2689	l5 = _mm_add_epi16(stp2_5, stp2_10);
michael@0	2690	l6 = _mm_add_epi16(stp2_6, stp1_9);
michael@0	2691	l7 = _mm_add_epi16(stp2_7, stp1_8);
michael@0	2692	l8 = _mm_sub_epi16(stp2_7, stp1_8);
michael@0	2693	l9 = _mm_sub_epi16(stp2_6, stp1_9);
michael@0	2694	l10 = _mm_sub_epi16(stp2_5, stp2_10);
michael@0	2695	l11 = _mm_sub_epi16(stp2_4, stp2_11);
michael@0	2696	l12 = _mm_sub_epi16(stp2_3, stp2_12);
michael@0	2697	l13 = _mm_sub_epi16(stp2_2, stp2_13);
michael@0	2698	l14 = _mm_sub_epi16(stp2_1, stp1_14);
michael@0	2699	l15 = _mm_sub_epi16(stp2_0, stp1_15);
michael@0	2700
michael@0	2701	// 2-D idct. We do 2 8x16 blocks.
michael@0	2702	for (i = 0; i < 2; i++) {
michael@0	2703	if (i == 0)
michael@0	2704	TRANSPOSE_4X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
michael@0	2705	in5, in6, in7);
michael@0	2706
michael@0	2707	if (i == 1)
michael@0	2708	TRANSPOSE_4X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
michael@0	2709	in4, in5, in6, in7);
michael@0	2710
michael@0	2711	in8 = in9 = in10 = in11 = in12 = in13 = in14 = in15 = zero;
michael@0	2712
michael@0	2713	IDCT16_1D
michael@0	2714
michael@0	2715	// Stage7
michael@0	2716	in0 = _mm_add_epi16(stp2_0, stp1_15);
michael@0	2717	in1 = _mm_add_epi16(stp2_1, stp1_14);
michael@0	2718	in2 = _mm_add_epi16(stp2_2, stp2_13);
michael@0	2719	in3 = _mm_add_epi16(stp2_3, stp2_12);
michael@0	2720	in4 = _mm_add_epi16(stp2_4, stp2_11);
michael@0	2721	in5 = _mm_add_epi16(stp2_5, stp2_10);
michael@0	2722	in6 = _mm_add_epi16(stp2_6, stp1_9);
michael@0	2723	in7 = _mm_add_epi16(stp2_7, stp1_8);
michael@0	2724	in8 = _mm_sub_epi16(stp2_7, stp1_8);
michael@0	2725	in9 = _mm_sub_epi16(stp2_6, stp1_9);
michael@0	2726	in10 = _mm_sub_epi16(stp2_5, stp2_10);
michael@0	2727	in11 = _mm_sub_epi16(stp2_4, stp2_11);
michael@0	2728	in12 = _mm_sub_epi16(stp2_3, stp2_12);
michael@0	2729	in13 = _mm_sub_epi16(stp2_2, stp2_13);
michael@0	2730	in14 = _mm_sub_epi16(stp2_1, stp1_14);
michael@0	2731	in15 = _mm_sub_epi16(stp2_0, stp1_15);
michael@0	2732
michael@0	2733	// Final rounding and shift
michael@0	2734	in0 = _mm_adds_epi16(in0, final_rounding);
michael@0	2735	in1 = _mm_adds_epi16(in1, final_rounding);
michael@0	2736	in2 = _mm_adds_epi16(in2, final_rounding);
michael@0	2737	in3 = _mm_adds_epi16(in3, final_rounding);
michael@0	2738	in4 = _mm_adds_epi16(in4, final_rounding);
michael@0	2739	in5 = _mm_adds_epi16(in5, final_rounding);
michael@0	2740	in6 = _mm_adds_epi16(in6, final_rounding);
michael@0	2741	in7 = _mm_adds_epi16(in7, final_rounding);
michael@0	2742	in8 = _mm_adds_epi16(in8, final_rounding);
michael@0	2743	in9 = _mm_adds_epi16(in9, final_rounding);
michael@0	2744	in10 = _mm_adds_epi16(in10, final_rounding);
michael@0	2745	in11 = _mm_adds_epi16(in11, final_rounding);
michael@0	2746	in12 = _mm_adds_epi16(in12, final_rounding);
michael@0	2747	in13 = _mm_adds_epi16(in13, final_rounding);
michael@0	2748	in14 = _mm_adds_epi16(in14, final_rounding);
michael@0	2749	in15 = _mm_adds_epi16(in15, final_rounding);
michael@0	2750
michael@0	2751	in0 = _mm_srai_epi16(in0, 6);
michael@0	2752	in1 = _mm_srai_epi16(in1, 6);
michael@0	2753	in2 = _mm_srai_epi16(in2, 6);
michael@0	2754	in3 = _mm_srai_epi16(in3, 6);
michael@0	2755	in4 = _mm_srai_epi16(in4, 6);
michael@0	2756	in5 = _mm_srai_epi16(in5, 6);
michael@0	2757	in6 = _mm_srai_epi16(in6, 6);
michael@0	2758	in7 = _mm_srai_epi16(in7, 6);
michael@0	2759	in8 = _mm_srai_epi16(in8, 6);
michael@0	2760	in9 = _mm_srai_epi16(in9, 6);
michael@0	2761	in10 = _mm_srai_epi16(in10, 6);
michael@0	2762	in11 = _mm_srai_epi16(in11, 6);
michael@0	2763	in12 = _mm_srai_epi16(in12, 6);
michael@0	2764	in13 = _mm_srai_epi16(in13, 6);
michael@0	2765	in14 = _mm_srai_epi16(in14, 6);
michael@0	2766	in15 = _mm_srai_epi16(in15, 6);
michael@0	2767
michael@0	2768	RECON_AND_STORE(dest, in0);
michael@0	2769	RECON_AND_STORE(dest, in1);
michael@0	2770	RECON_AND_STORE(dest, in2);
michael@0	2771	RECON_AND_STORE(dest, in3);
michael@0	2772	RECON_AND_STORE(dest, in4);
michael@0	2773	RECON_AND_STORE(dest, in5);
michael@0	2774	RECON_AND_STORE(dest, in6);
michael@0	2775	RECON_AND_STORE(dest, in7);
michael@0	2776	RECON_AND_STORE(dest, in8);
michael@0	2777	RECON_AND_STORE(dest, in9);
michael@0	2778	RECON_AND_STORE(dest, in10);
michael@0	2779	RECON_AND_STORE(dest, in11);
michael@0	2780	RECON_AND_STORE(dest, in12);
michael@0	2781	RECON_AND_STORE(dest, in13);
michael@0	2782	RECON_AND_STORE(dest, in14);
michael@0	2783	RECON_AND_STORE(dest, in15);
michael@0	2784
michael@0	2785	dest += 8 - (stride * 16);
michael@0	2786	}
michael@0	2787	}
michael@0	2788
michael@0	2789	#define LOAD_DQCOEFF(reg, input) \
michael@0	2790	{ \
michael@0	2791	reg = _mm_load_si128((const __m128i *) input); \
michael@0	2792	input += 8; \
michael@0	2793	} \
michael@0	2794
michael@0	2795	#define IDCT32_1D \
michael@0	2796	/* Stage1 */ \
michael@0	2797	{ \
michael@0	2798	const __m128i lo_1_31 = _mm_unpacklo_epi16(in1, in31); \
michael@0	2799	const __m128i hi_1_31 = _mm_unpackhi_epi16(in1, in31); \
michael@0	2800	const __m128i lo_17_15 = _mm_unpacklo_epi16(in17, in15); \
michael@0	2801	const __m128i hi_17_15 = _mm_unpackhi_epi16(in17, in15); \
michael@0	2802	\
michael@0	2803	const __m128i lo_9_23 = _mm_unpacklo_epi16(in9, in23); \
michael@0	2804	const __m128i hi_9_23 = _mm_unpackhi_epi16(in9, in23); \
michael@0	2805	const __m128i lo_25_7= _mm_unpacklo_epi16(in25, in7); \
michael@0	2806	const __m128i hi_25_7 = _mm_unpackhi_epi16(in25, in7); \
michael@0	2807	\
michael@0	2808	const __m128i lo_5_27 = _mm_unpacklo_epi16(in5, in27); \
michael@0	2809	const __m128i hi_5_27 = _mm_unpackhi_epi16(in5, in27); \
michael@0	2810	const __m128i lo_21_11 = _mm_unpacklo_epi16(in21, in11); \
michael@0	2811	const __m128i hi_21_11 = _mm_unpackhi_epi16(in21, in11); \
michael@0	2812	\
michael@0	2813	const __m128i lo_13_19 = _mm_unpacklo_epi16(in13, in19); \
michael@0	2814	const __m128i hi_13_19 = _mm_unpackhi_epi16(in13, in19); \
michael@0	2815	const __m128i lo_29_3 = _mm_unpacklo_epi16(in29, in3); \
michael@0	2816	const __m128i hi_29_3 = _mm_unpackhi_epi16(in29, in3); \
michael@0	2817	\
michael@0	2818	MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0, \
michael@0	2819	stg1_1, stg1_2, stg1_3, stp1_16, stp1_31, \
michael@0	2820	stp1_17, stp1_30) \
michael@0	2821	MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4, \
michael@0	2822	stg1_5, stg1_6, stg1_7, stp1_18, stp1_29, \
michael@0	2823	stp1_19, stp1_28) \
michael@0	2824	MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8, \
michael@0	2825	stg1_9, stg1_10, stg1_11, stp1_20, stp1_27, \
michael@0	2826	stp1_21, stp1_26) \
michael@0	2827	MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12, \
michael@0	2828	stg1_13, stg1_14, stg1_15, stp1_22, stp1_25, \
michael@0	2829	stp1_23, stp1_24) \
michael@0	2830	} \
michael@0	2831	\
michael@0	2832	/* Stage2 */ \
michael@0	2833	{ \
michael@0	2834	const __m128i lo_2_30 = _mm_unpacklo_epi16(in2, in30); \
michael@0	2835	const __m128i hi_2_30 = _mm_unpackhi_epi16(in2, in30); \
michael@0	2836	const __m128i lo_18_14 = _mm_unpacklo_epi16(in18, in14); \
michael@0	2837	const __m128i hi_18_14 = _mm_unpackhi_epi16(in18, in14); \
michael@0	2838	\
michael@0	2839	const __m128i lo_10_22 = _mm_unpacklo_epi16(in10, in22); \
michael@0	2840	const __m128i hi_10_22 = _mm_unpackhi_epi16(in10, in22); \
michael@0	2841	const __m128i lo_26_6 = _mm_unpacklo_epi16(in26, in6); \
michael@0	2842	const __m128i hi_26_6 = _mm_unpackhi_epi16(in26, in6); \
michael@0	2843	\
michael@0	2844	MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0, \
michael@0	2845	stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9, \
michael@0	2846	stp2_14) \
michael@0	2847	MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4, \
michael@0	2848	stg2_5, stg2_6, stg2_7, stp2_10, stp2_13, \
michael@0	2849	stp2_11, stp2_12) \
michael@0	2850	\
michael@0	2851	stp2_16 = _mm_add_epi16(stp1_16, stp1_17); \
michael@0	2852	stp2_17 = _mm_sub_epi16(stp1_16, stp1_17); \
michael@0	2853	stp2_18 = _mm_sub_epi16(stp1_19, stp1_18); \
michael@0	2854	stp2_19 = _mm_add_epi16(stp1_19, stp1_18); \
michael@0	2855	\
michael@0	2856	stp2_20 = _mm_add_epi16(stp1_20, stp1_21); \
michael@0	2857	stp2_21 = _mm_sub_epi16(stp1_20, stp1_21); \
michael@0	2858	stp2_22 = _mm_sub_epi16(stp1_23, stp1_22); \
michael@0	2859	stp2_23 = _mm_add_epi16(stp1_23, stp1_22); \
michael@0	2860	\
michael@0	2861	stp2_24 = _mm_add_epi16(stp1_24, stp1_25); \
michael@0	2862	stp2_25 = _mm_sub_epi16(stp1_24, stp1_25); \
michael@0	2863	stp2_26 = _mm_sub_epi16(stp1_27, stp1_26); \
michael@0	2864	stp2_27 = _mm_add_epi16(stp1_27, stp1_26); \
michael@0	2865	\
michael@0	2866	stp2_28 = _mm_add_epi16(stp1_28, stp1_29); \
michael@0	2867	stp2_29 = _mm_sub_epi16(stp1_28, stp1_29); \
michael@0	2868	stp2_30 = _mm_sub_epi16(stp1_31, stp1_30); \
michael@0	2869	stp2_31 = _mm_add_epi16(stp1_31, stp1_30); \
michael@0	2870	} \
michael@0	2871	\
michael@0	2872	/* Stage3 */ \
michael@0	2873	{ \
michael@0	2874	const __m128i lo_4_28 = _mm_unpacklo_epi16(in4, in28); \
michael@0	2875	const __m128i hi_4_28 = _mm_unpackhi_epi16(in4, in28); \
michael@0	2876	const __m128i lo_20_12 = _mm_unpacklo_epi16(in20, in12); \
michael@0	2877	const __m128i hi_20_12 = _mm_unpackhi_epi16(in20, in12); \
michael@0	2878	\
michael@0	2879	const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30); \
michael@0	2880	const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30); \
michael@0	2881	const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
michael@0	2882	const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
michael@0	2883	\
michael@0	2884	const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
michael@0	2885	const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
michael@0	2886	const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
michael@0	2887	const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
michael@0	2888	\
michael@0	2889	MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0, \
michael@0	2890	stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5, \
michael@0	2891	stp1_6) \
michael@0	2892	\
michael@0	2893	stp1_8 = _mm_add_epi16(stp2_8, stp2_9); \
michael@0	2894	stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
michael@0	2895	stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
michael@0	2896	stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
michael@0	2897	stp1_12 = _mm_add_epi16(stp2_12, stp2_13); \
michael@0	2898	stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
michael@0	2899	stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
michael@0	2900	stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
michael@0	2901	\
michael@0	2902	MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \
michael@0	2903	stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \
michael@0	2904	stp1_18, stp1_29) \
michael@0	2905	MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \
michael@0	2906	stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \
michael@0	2907	stp1_22, stp1_25) \
michael@0	2908	\
michael@0	2909	stp1_16 = stp2_16; \
michael@0	2910	stp1_31 = stp2_31; \
michael@0	2911	stp1_19 = stp2_19; \
michael@0	2912	stp1_20 = stp2_20; \
michael@0	2913	stp1_23 = stp2_23; \
michael@0	2914	stp1_24 = stp2_24; \
michael@0	2915	stp1_27 = stp2_27; \
michael@0	2916	stp1_28 = stp2_28; \
michael@0	2917	} \
michael@0	2918	\
michael@0	2919	/* Stage4 */ \
michael@0	2920	{ \
michael@0	2921	const __m128i lo_0_16 = _mm_unpacklo_epi16(in0, in16); \
michael@0	2922	const __m128i hi_0_16 = _mm_unpackhi_epi16(in0, in16); \
michael@0	2923	const __m128i lo_8_24 = _mm_unpacklo_epi16(in8, in24); \
michael@0	2924	const __m128i hi_8_24 = _mm_unpackhi_epi16(in8, in24); \
michael@0	2925	\
michael@0	2926	const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
michael@0	2927	const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
michael@0	2928	const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
michael@0	2929	const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
michael@0	2930	\
michael@0	2931	MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0, \
michael@0	2932	stg4_1, stg4_2, stg4_3, stp2_0, stp2_1, \
michael@0	2933	stp2_2, stp2_3) \
michael@0	2934	\
michael@0	2935	stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
michael@0	2936	stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
michael@0	2937	stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
michael@0	2938	stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
michael@0	2939	\
michael@0	2940	MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \
michael@0	2941	stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \
michael@0	2942	stp2_10, stp2_13) \
michael@0	2943	\
michael@0	2944	stp2_8 = stp1_8; \
michael@0	2945	stp2_15 = stp1_15; \
michael@0	2946	stp2_11 = stp1_11; \
michael@0	2947	stp2_12 = stp1_12; \
michael@0	2948	\
michael@0	2949	stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \
michael@0	2950	stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \
michael@0	2951	stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \
michael@0	2952	stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \
michael@0	2953	stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \
michael@0	2954	stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \
michael@0	2955	stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \
michael@0	2956	stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \
michael@0	2957	\
michael@0	2958	stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \
michael@0	2959	stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \
michael@0	2960	stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \
michael@0	2961	stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \
michael@0	2962	stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \
michael@0	2963	stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \
michael@0	2964	stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \
michael@0	2965	stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \
michael@0	2966	} \
michael@0	2967	\
michael@0	2968	/* Stage5 */ \
michael@0	2969	{ \
michael@0	2970	const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
michael@0	2971	const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
michael@0	2972	const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
michael@0	2973	const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
michael@0	2974	\
michael@0	2975	const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \
michael@0	2976	const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \
michael@0	2977	const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
michael@0	2978	const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
michael@0	2979	\
michael@0	2980	const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
michael@0	2981	const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
michael@0	2982	\
michael@0	2983	stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
michael@0	2984	stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
michael@0	2985	stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
michael@0	2986	stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
michael@0	2987	\
michael@0	2988	tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
michael@0	2989	tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
michael@0	2990	tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
michael@0	2991	tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
michael@0	2992	\
michael@0	2993	tmp0 = _mm_add_epi32(tmp0, rounding); \
michael@0	2994	tmp1 = _mm_add_epi32(tmp1, rounding); \
michael@0	2995	tmp2 = _mm_add_epi32(tmp2, rounding); \
michael@0	2996	tmp3 = _mm_add_epi32(tmp3, rounding); \
michael@0	2997	\
michael@0	2998	tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
michael@0	2999	tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
michael@0	3000	tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
michael@0	3001	tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
michael@0	3002	\
michael@0	3003	stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
michael@0	3004	stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
michael@0	3005	\
michael@0	3006	stp1_4 = stp2_4; \
michael@0	3007	stp1_7 = stp2_7; \
michael@0	3008	\
michael@0	3009	stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \
michael@0	3010	stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
michael@0	3011	stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
michael@0	3012	stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \
michael@0	3013	stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \
michael@0	3014	stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
michael@0	3015	stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
michael@0	3016	stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \
michael@0	3017	\
michael@0	3018	stp1_16 = stp2_16; \
michael@0	3019	stp1_17 = stp2_17; \
michael@0	3020	\
michael@0	3021	MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \
michael@0	3022	stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \
michael@0	3023	stp1_19, stp1_28) \
michael@0	3024	MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \
michael@0	3025	stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \
michael@0	3026	stp1_21, stp1_26) \
michael@0	3027	\
michael@0	3028	stp1_22 = stp2_22; \
michael@0	3029	stp1_23 = stp2_23; \
michael@0	3030	stp1_24 = stp2_24; \
michael@0	3031	stp1_25 = stp2_25; \
michael@0	3032	stp1_30 = stp2_30; \
michael@0	3033	stp1_31 = stp2_31; \
michael@0	3034	} \
michael@0	3035	\
michael@0	3036	/* Stage6 */ \
michael@0	3037	{ \
michael@0	3038	const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
michael@0	3039	const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
michael@0	3040	const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
michael@0	3041	const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
michael@0	3042	\
michael@0	3043	stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \
michael@0	3044	stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
michael@0	3045	stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
michael@0	3046	stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \
michael@0	3047	stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \
michael@0	3048	stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
michael@0	3049	stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
michael@0	3050	stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \
michael@0	3051	\
michael@0	3052	stp2_8 = stp1_8; \
michael@0	3053	stp2_9 = stp1_9; \
michael@0	3054	stp2_14 = stp1_14; \
michael@0	3055	stp2_15 = stp1_15; \
michael@0	3056	\
michael@0	3057	MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
michael@0	3058	stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \
michael@0	3059	stp2_13, stp2_11, stp2_12) \
michael@0	3060	\
michael@0	3061	stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \
michael@0	3062	stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \
michael@0	3063	stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \
michael@0	3064	stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \
michael@0	3065	stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \
michael@0	3066	stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \
michael@0	3067	stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \
michael@0	3068	stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \
michael@0	3069	\
michael@0	3070	stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \
michael@0	3071	stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \
michael@0	3072	stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \
michael@0	3073	stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \
michael@0	3074	stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \
michael@0	3075	stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \
michael@0	3076	stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \
michael@0	3077	stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \
michael@0	3078	} \
michael@0	3079	\
michael@0	3080	/* Stage7 */ \
michael@0	3081	{ \
michael@0	3082	const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
michael@0	3083	const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
michael@0	3084	const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
michael@0	3085	const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
michael@0	3086	\
michael@0	3087	const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
michael@0	3088	const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
michael@0	3089	const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \
michael@0	3090	const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \
michael@0	3091	\
michael@0	3092	stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \
michael@0	3093	stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \
michael@0	3094	stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \
michael@0	3095	stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \
michael@0	3096	stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \
michael@0	3097	stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \
michael@0	3098	stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \
michael@0	3099	stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \
michael@0	3100	stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \
michael@0	3101	stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \
michael@0	3102	stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \
michael@0	3103	stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \
michael@0	3104	stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \
michael@0	3105	stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \
michael@0	3106	stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \
michael@0	3107	stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \
michael@0	3108	\
michael@0	3109	stp1_16 = stp2_16; \
michael@0	3110	stp1_17 = stp2_17; \
michael@0	3111	stp1_18 = stp2_18; \
michael@0	3112	stp1_19 = stp2_19; \
michael@0	3113	\
michael@0	3114	MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \
michael@0	3115	stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \
michael@0	3116	stp1_21, stp1_26) \
michael@0	3117	MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \
michael@0	3118	stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \
michael@0	3119	stp1_23, stp1_24) \
michael@0	3120	\
michael@0	3121	stp1_28 = stp2_28; \
michael@0	3122	stp1_29 = stp2_29; \
michael@0	3123	stp1_30 = stp2_30; \
michael@0	3124	stp1_31 = stp2_31; \
michael@0	3125	}
michael@0	3126
michael@0	3127	// Only upper-left 8x8 has non-zero coeff
michael@0	3128	void vp9_idct32x32_34_add_sse2(const int16_t *input, uint8_t *dest,
michael@0	3129	int stride) {
michael@0	3130	const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	3131	const __m128i final_rounding = _mm_set1_epi16(1<<5);
michael@0	3132
michael@0	3133	// idct constants for each stage
michael@0	3134	const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
michael@0	3135	const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
michael@0	3136	const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
michael@0	3137	const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
michael@0	3138	const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
michael@0	3139	const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
michael@0	3140	const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
michael@0	3141	const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
michael@0	3142	const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
michael@0	3143	const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
michael@0	3144	const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
michael@0	3145	const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
michael@0	3146	const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
michael@0	3147	const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
michael@0	3148	const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
michael@0	3149	const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
michael@0	3150
michael@0	3151	const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
michael@0	3152	const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
michael@0	3153	const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
michael@0	3154	const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
michael@0	3155	const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
michael@0	3156	const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
michael@0	3157	const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
michael@0	3158	const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
michael@0	3159
michael@0	3160	const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	3161	const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	3162	const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
michael@0	3163	const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
michael@0	3164	const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
michael@0	3165	const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
michael@0	3166	const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
michael@0	3167	const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
michael@0	3168	const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
michael@0	3169	const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
michael@0	3170
michael@0	3171	const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
michael@0	3172	const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	3173	const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	3174	const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	3175	const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
michael@0	3176	const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
michael@0	3177	const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
michael@0	3178
michael@0	3179	const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
michael@0	3180
michael@0	3181	__m128i in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12,
michael@0	3182	in13, in14, in15, in16, in17, in18, in19, in20, in21, in22, in23,
michael@0	3183	in24, in25, in26, in27, in28, in29, in30, in31;
michael@0	3184	__m128i col[128];
michael@0	3185	__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
michael@0	3186	stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
michael@0	3187	stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
michael@0	3188	stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
michael@0	3189	stp1_30, stp1_31;
michael@0	3190	__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
michael@0	3191	stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
michael@0	3192	stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
michael@0	3193	stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
michael@0	3194	stp2_30, stp2_31;
michael@0	3195	__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
michael@0	3196	int i, j, i32;
michael@0	3197
michael@0	3198	// We work on a 8x32 block each time, and loop 8 times for 2-D 32x32 idct.
michael@0	3199	for (i = 0; i < 8; i++) {
michael@0	3200	i32 = (i << 5);
michael@0	3201	if (i == 0) {
michael@0	3202	// First 1-D idct: first 8 rows
michael@0	3203	// Load input data.
michael@0	3204	LOAD_DQCOEFF(in0, input);
michael@0	3205	LOAD_DQCOEFF(in8, input);
michael@0	3206	LOAD_DQCOEFF(in16, input);
michael@0	3207	LOAD_DQCOEFF(in24, input);
michael@0	3208	LOAD_DQCOEFF(in1, input);
michael@0	3209	LOAD_DQCOEFF(in9, input);
michael@0	3210	LOAD_DQCOEFF(in17, input);
michael@0	3211	LOAD_DQCOEFF(in25, input);
michael@0	3212	LOAD_DQCOEFF(in2, input);
michael@0	3213	LOAD_DQCOEFF(in10, input);
michael@0	3214	LOAD_DQCOEFF(in18, input);
michael@0	3215	LOAD_DQCOEFF(in26, input);
michael@0	3216	LOAD_DQCOEFF(in3, input);
michael@0	3217	LOAD_DQCOEFF(in11, input);
michael@0	3218	LOAD_DQCOEFF(in19, input);
michael@0	3219	LOAD_DQCOEFF(in27, input);
michael@0	3220
michael@0	3221	LOAD_DQCOEFF(in4, input);
michael@0	3222	LOAD_DQCOEFF(in12, input);
michael@0	3223	LOAD_DQCOEFF(in20, input);
michael@0	3224	LOAD_DQCOEFF(in28, input);
michael@0	3225	LOAD_DQCOEFF(in5, input);
michael@0	3226	LOAD_DQCOEFF(in13, input);
michael@0	3227	LOAD_DQCOEFF(in21, input);
michael@0	3228	LOAD_DQCOEFF(in29, input);
michael@0	3229	LOAD_DQCOEFF(in6, input);
michael@0	3230	LOAD_DQCOEFF(in14, input);
michael@0	3231	LOAD_DQCOEFF(in22, input);
michael@0	3232	LOAD_DQCOEFF(in30, input);
michael@0	3233	LOAD_DQCOEFF(in7, input);
michael@0	3234	LOAD_DQCOEFF(in15, input);
michael@0	3235	LOAD_DQCOEFF(in23, input);
michael@0	3236	LOAD_DQCOEFF(in31, input);
michael@0	3237
michael@0	3238	// Transpose 32x8 block to 8x32 block
michael@0	3239	TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
michael@0	3240	in4, in5, in6, in7);
michael@0	3241	TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
michael@0	3242	in10, in11, in12, in13, in14, in15);
michael@0	3243	TRANSPOSE_8X8(in16, in17, in18, in19, in20, in21, in22, in23, in16, in17,
michael@0	3244	in18, in19, in20, in21, in22, in23);
michael@0	3245	TRANSPOSE_8X8(in24, in25, in26, in27, in28, in29, in30, in31, in24, in25,
michael@0	3246	in26, in27, in28, in29, in30, in31);
michael@0	3247	} else if (i < 4) {
michael@0	3248	// First 1-D idct: next 24 zero-coeff rows
michael@0	3249	col[i32 + 0] = _mm_setzero_si128();
michael@0	3250	col[i32 + 1] = _mm_setzero_si128();
michael@0	3251	col[i32 + 2] = _mm_setzero_si128();
michael@0	3252	col[i32 + 3] = _mm_setzero_si128();
michael@0	3253	col[i32 + 4] = _mm_setzero_si128();
michael@0	3254	col[i32 + 5] = _mm_setzero_si128();
michael@0	3255	col[i32 + 6] = _mm_setzero_si128();
michael@0	3256	col[i32 + 7] = _mm_setzero_si128();
michael@0	3257	col[i32 + 8] = _mm_setzero_si128();
michael@0	3258	col[i32 + 9] = _mm_setzero_si128();
michael@0	3259	col[i32 + 10] = _mm_setzero_si128();
michael@0	3260	col[i32 + 11] = _mm_setzero_si128();
michael@0	3261	col[i32 + 12] = _mm_setzero_si128();
michael@0	3262	col[i32 + 13] = _mm_setzero_si128();
michael@0	3263	col[i32 + 14] = _mm_setzero_si128();
michael@0	3264	col[i32 + 15] = _mm_setzero_si128();
michael@0	3265	col[i32 + 16] = _mm_setzero_si128();
michael@0	3266	col[i32 + 17] = _mm_setzero_si128();
michael@0	3267	col[i32 + 18] = _mm_setzero_si128();
michael@0	3268	col[i32 + 19] = _mm_setzero_si128();
michael@0	3269	col[i32 + 20] = _mm_setzero_si128();
michael@0	3270	col[i32 + 21] = _mm_setzero_si128();
michael@0	3271	col[i32 + 22] = _mm_setzero_si128();
michael@0	3272	col[i32 + 23] = _mm_setzero_si128();
michael@0	3273	col[i32 + 24] = _mm_setzero_si128();
michael@0	3274	col[i32 + 25] = _mm_setzero_si128();
michael@0	3275	col[i32 + 26] = _mm_setzero_si128();
michael@0	3276	col[i32 + 27] = _mm_setzero_si128();
michael@0	3277	col[i32 + 28] = _mm_setzero_si128();
michael@0	3278	col[i32 + 29] = _mm_setzero_si128();
michael@0	3279	col[i32 + 30] = _mm_setzero_si128();
michael@0	3280	col[i32 + 31] = _mm_setzero_si128();
michael@0	3281	continue;
michael@0	3282	} else {
michael@0	3283	// Second 1-D idct
michael@0	3284	j = i - 4;
michael@0	3285
michael@0	3286	// Transpose 32x8 block to 8x32 block
michael@0	3287	TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
michael@0	3288	col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
michael@0	3289	col[j * 8 + 6], col[j * 8 + 7], in0, in1, in2, in3, in4,
michael@0	3290	in5, in6, in7);
michael@0	3291	j += 4;
michael@0	3292	TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
michael@0	3293	col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
michael@0	3294	col[j * 8 + 6], col[j * 8 + 7], in8, in9, in10,
michael@0	3295	in11, in12, in13, in14, in15);
michael@0	3296	j += 4;
michael@0	3297	TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
michael@0	3298	col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
michael@0	3299	col[j * 8 + 6], col[j * 8 + 7], in16, in17, in18,
michael@0	3300	in19, in20, in21, in22, in23);
michael@0	3301	j += 4;
michael@0	3302	TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
michael@0	3303	col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
michael@0	3304	col[j * 8 + 6], col[j * 8 + 7], in24, in25, in26, in27,
michael@0	3305	in28, in29, in30, in31);
michael@0	3306	}
michael@0	3307
michael@0	3308	IDCT32_1D
michael@0	3309
michael@0	3310	// final stage
michael@0	3311	if (i < 4) {
michael@0	3312	// 1_D: Store 32 intermediate results for each 8x32 block.
michael@0	3313	col[i32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
michael@0	3314	col[i32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
michael@0	3315	col[i32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
michael@0	3316	col[i32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
michael@0	3317	col[i32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
michael@0	3318	col[i32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
michael@0	3319	col[i32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
michael@0	3320	col[i32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
michael@0	3321	col[i32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
michael@0	3322	col[i32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
michael@0	3323	col[i32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
michael@0	3324	col[i32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
michael@0	3325	col[i32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
michael@0	3326	col[i32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
michael@0	3327	col[i32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
michael@0	3328	col[i32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
michael@0	3329	col[i32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
michael@0	3330	col[i32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
michael@0	3331	col[i32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
michael@0	3332	col[i32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
michael@0	3333	col[i32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
michael@0	3334	col[i32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
michael@0	3335	col[i32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
michael@0	3336	col[i32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
michael@0	3337	col[i32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
michael@0	3338	col[i32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
michael@0	3339	col[i32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
michael@0	3340	col[i32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
michael@0	3341	col[i32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
michael@0	3342	col[i32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
michael@0	3343	col[i32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
michael@0	3344	col[i32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
michael@0	3345	} else {
michael@0	3346	const __m128i zero = _mm_setzero_si128();
michael@0	3347
michael@0	3348	// 2_D: Calculate the results and store them to destination.
michael@0	3349	in0 = _mm_add_epi16(stp1_0, stp1_31);
michael@0	3350	in1 = _mm_add_epi16(stp1_1, stp1_30);
michael@0	3351	in2 = _mm_add_epi16(stp1_2, stp1_29);
michael@0	3352	in3 = _mm_add_epi16(stp1_3, stp1_28);
michael@0	3353	in4 = _mm_add_epi16(stp1_4, stp1_27);
michael@0	3354	in5 = _mm_add_epi16(stp1_5, stp1_26);
michael@0	3355	in6 = _mm_add_epi16(stp1_6, stp1_25);
michael@0	3356	in7 = _mm_add_epi16(stp1_7, stp1_24);
michael@0	3357	in8 = _mm_add_epi16(stp1_8, stp1_23);
michael@0	3358	in9 = _mm_add_epi16(stp1_9, stp1_22);
michael@0	3359	in10 = _mm_add_epi16(stp1_10, stp1_21);
michael@0	3360	in11 = _mm_add_epi16(stp1_11, stp1_20);
michael@0	3361	in12 = _mm_add_epi16(stp1_12, stp1_19);
michael@0	3362	in13 = _mm_add_epi16(stp1_13, stp1_18);
michael@0	3363	in14 = _mm_add_epi16(stp1_14, stp1_17);
michael@0	3364	in15 = _mm_add_epi16(stp1_15, stp1_16);
michael@0	3365	in16 = _mm_sub_epi16(stp1_15, stp1_16);
michael@0	3366	in17 = _mm_sub_epi16(stp1_14, stp1_17);
michael@0	3367	in18 = _mm_sub_epi16(stp1_13, stp1_18);
michael@0	3368	in19 = _mm_sub_epi16(stp1_12, stp1_19);
michael@0	3369	in20 = _mm_sub_epi16(stp1_11, stp1_20);
michael@0	3370	in21 = _mm_sub_epi16(stp1_10, stp1_21);
michael@0	3371	in22 = _mm_sub_epi16(stp1_9, stp1_22);
michael@0	3372	in23 = _mm_sub_epi16(stp1_8, stp1_23);
michael@0	3373	in24 = _mm_sub_epi16(stp1_7, stp1_24);
michael@0	3374	in25 = _mm_sub_epi16(stp1_6, stp1_25);
michael@0	3375	in26 = _mm_sub_epi16(stp1_5, stp1_26);
michael@0	3376	in27 = _mm_sub_epi16(stp1_4, stp1_27);
michael@0	3377	in28 = _mm_sub_epi16(stp1_3, stp1_28);
michael@0	3378	in29 = _mm_sub_epi16(stp1_2, stp1_29);
michael@0	3379	in30 = _mm_sub_epi16(stp1_1, stp1_30);
michael@0	3380	in31 = _mm_sub_epi16(stp1_0, stp1_31);
michael@0	3381
michael@0	3382	// Final rounding and shift
michael@0	3383	in0 = _mm_adds_epi16(in0, final_rounding);
michael@0	3384	in1 = _mm_adds_epi16(in1, final_rounding);
michael@0	3385	in2 = _mm_adds_epi16(in2, final_rounding);
michael@0	3386	in3 = _mm_adds_epi16(in3, final_rounding);
michael@0	3387	in4 = _mm_adds_epi16(in4, final_rounding);
michael@0	3388	in5 = _mm_adds_epi16(in5, final_rounding);
michael@0	3389	in6 = _mm_adds_epi16(in6, final_rounding);
michael@0	3390	in7 = _mm_adds_epi16(in7, final_rounding);
michael@0	3391	in8 = _mm_adds_epi16(in8, final_rounding);
michael@0	3392	in9 = _mm_adds_epi16(in9, final_rounding);
michael@0	3393	in10 = _mm_adds_epi16(in10, final_rounding);
michael@0	3394	in11 = _mm_adds_epi16(in11, final_rounding);
michael@0	3395	in12 = _mm_adds_epi16(in12, final_rounding);
michael@0	3396	in13 = _mm_adds_epi16(in13, final_rounding);
michael@0	3397	in14 = _mm_adds_epi16(in14, final_rounding);
michael@0	3398	in15 = _mm_adds_epi16(in15, final_rounding);
michael@0	3399	in16 = _mm_adds_epi16(in16, final_rounding);
michael@0	3400	in17 = _mm_adds_epi16(in17, final_rounding);
michael@0	3401	in18 = _mm_adds_epi16(in18, final_rounding);
michael@0	3402	in19 = _mm_adds_epi16(in19, final_rounding);
michael@0	3403	in20 = _mm_adds_epi16(in20, final_rounding);
michael@0	3404	in21 = _mm_adds_epi16(in21, final_rounding);
michael@0	3405	in22 = _mm_adds_epi16(in22, final_rounding);
michael@0	3406	in23 = _mm_adds_epi16(in23, final_rounding);
michael@0	3407	in24 = _mm_adds_epi16(in24, final_rounding);
michael@0	3408	in25 = _mm_adds_epi16(in25, final_rounding);
michael@0	3409	in26 = _mm_adds_epi16(in26, final_rounding);
michael@0	3410	in27 = _mm_adds_epi16(in27, final_rounding);
michael@0	3411	in28 = _mm_adds_epi16(in28, final_rounding);
michael@0	3412	in29 = _mm_adds_epi16(in29, final_rounding);
michael@0	3413	in30 = _mm_adds_epi16(in30, final_rounding);
michael@0	3414	in31 = _mm_adds_epi16(in31, final_rounding);
michael@0	3415
michael@0	3416	in0 = _mm_srai_epi16(in0, 6);
michael@0	3417	in1 = _mm_srai_epi16(in1, 6);
michael@0	3418	in2 = _mm_srai_epi16(in2, 6);
michael@0	3419	in3 = _mm_srai_epi16(in3, 6);
michael@0	3420	in4 = _mm_srai_epi16(in4, 6);
michael@0	3421	in5 = _mm_srai_epi16(in5, 6);
michael@0	3422	in6 = _mm_srai_epi16(in6, 6);
michael@0	3423	in7 = _mm_srai_epi16(in7, 6);
michael@0	3424	in8 = _mm_srai_epi16(in8, 6);
michael@0	3425	in9 = _mm_srai_epi16(in9, 6);
michael@0	3426	in10 = _mm_srai_epi16(in10, 6);
michael@0	3427	in11 = _mm_srai_epi16(in11, 6);
michael@0	3428	in12 = _mm_srai_epi16(in12, 6);
michael@0	3429	in13 = _mm_srai_epi16(in13, 6);
michael@0	3430	in14 = _mm_srai_epi16(in14, 6);
michael@0	3431	in15 = _mm_srai_epi16(in15, 6);
michael@0	3432	in16 = _mm_srai_epi16(in16, 6);
michael@0	3433	in17 = _mm_srai_epi16(in17, 6);
michael@0	3434	in18 = _mm_srai_epi16(in18, 6);
michael@0	3435	in19 = _mm_srai_epi16(in19, 6);
michael@0	3436	in20 = _mm_srai_epi16(in20, 6);
michael@0	3437	in21 = _mm_srai_epi16(in21, 6);
michael@0	3438	in22 = _mm_srai_epi16(in22, 6);
michael@0	3439	in23 = _mm_srai_epi16(in23, 6);
michael@0	3440	in24 = _mm_srai_epi16(in24, 6);
michael@0	3441	in25 = _mm_srai_epi16(in25, 6);
michael@0	3442	in26 = _mm_srai_epi16(in26, 6);
michael@0	3443	in27 = _mm_srai_epi16(in27, 6);
michael@0	3444	in28 = _mm_srai_epi16(in28, 6);
michael@0	3445	in29 = _mm_srai_epi16(in29, 6);
michael@0	3446	in30 = _mm_srai_epi16(in30, 6);
michael@0	3447	in31 = _mm_srai_epi16(in31, 6);
michael@0	3448
michael@0	3449	RECON_AND_STORE(dest, in0);
michael@0	3450	RECON_AND_STORE(dest, in1);
michael@0	3451	RECON_AND_STORE(dest, in2);
michael@0	3452	RECON_AND_STORE(dest, in3);
michael@0	3453	RECON_AND_STORE(dest, in4);
michael@0	3454	RECON_AND_STORE(dest, in5);
michael@0	3455	RECON_AND_STORE(dest, in6);
michael@0	3456	RECON_AND_STORE(dest, in7);
michael@0	3457	RECON_AND_STORE(dest, in8);
michael@0	3458	RECON_AND_STORE(dest, in9);
michael@0	3459	RECON_AND_STORE(dest, in10);
michael@0	3460	RECON_AND_STORE(dest, in11);
michael@0	3461	RECON_AND_STORE(dest, in12);
michael@0	3462	RECON_AND_STORE(dest, in13);
michael@0	3463	RECON_AND_STORE(dest, in14);
michael@0	3464	RECON_AND_STORE(dest, in15);
michael@0	3465	RECON_AND_STORE(dest, in16);
michael@0	3466	RECON_AND_STORE(dest, in17);
michael@0	3467	RECON_AND_STORE(dest, in18);
michael@0	3468	RECON_AND_STORE(dest, in19);
michael@0	3469	RECON_AND_STORE(dest, in20);
michael@0	3470	RECON_AND_STORE(dest, in21);
michael@0	3471	RECON_AND_STORE(dest, in22);
michael@0	3472	RECON_AND_STORE(dest, in23);
michael@0	3473	RECON_AND_STORE(dest, in24);
michael@0	3474	RECON_AND_STORE(dest, in25);
michael@0	3475	RECON_AND_STORE(dest, in26);
michael@0	3476	RECON_AND_STORE(dest, in27);
michael@0	3477	RECON_AND_STORE(dest, in28);
michael@0	3478	RECON_AND_STORE(dest, in29);
michael@0	3479	RECON_AND_STORE(dest, in30);
michael@0	3480	RECON_AND_STORE(dest, in31);
michael@0	3481
michael@0	3482	dest += 8 - (stride * 32);
michael@0	3483	}
michael@0	3484	}
michael@0	3485	}
michael@0	3486
michael@0	3487	void vp9_idct32x32_1024_add_sse2(const int16_t *input, uint8_t *dest,
michael@0	3488	int stride) {
michael@0	3489	const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
michael@0	3490	const __m128i final_rounding = _mm_set1_epi16(1<<5);
michael@0	3491
michael@0	3492	// idct constants for each stage
michael@0	3493	const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
michael@0	3494	const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
michael@0	3495	const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
michael@0	3496	const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
michael@0	3497	const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
michael@0	3498	const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
michael@0	3499	const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
michael@0	3500	const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
michael@0	3501	const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
michael@0	3502	const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
michael@0	3503	const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
michael@0	3504	const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
michael@0	3505	const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
michael@0	3506	const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
michael@0	3507	const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
michael@0	3508	const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
michael@0	3509
michael@0	3510	const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
michael@0	3511	const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
michael@0	3512	const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
michael@0	3513	const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
michael@0	3514	const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
michael@0	3515	const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
michael@0	3516	const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
michael@0	3517	const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
michael@0	3518
michael@0	3519	const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
michael@0	3520	const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
michael@0	3521	const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
michael@0	3522	const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
michael@0	3523	const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
michael@0	3524	const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
michael@0	3525	const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
michael@0	3526	const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
michael@0	3527	const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
michael@0	3528	const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
michael@0	3529
michael@0	3530	const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
michael@0	3531	const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
michael@0	3532	const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
michael@0	3533	const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
michael@0	3534	const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
michael@0	3535	const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
michael@0	3536	const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
michael@0	3537
michael@0	3538	const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
michael@0	3539
michael@0	3540	__m128i in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12,
michael@0	3541	in13, in14, in15, in16, in17, in18, in19, in20, in21, in22, in23,
michael@0	3542	in24, in25, in26, in27, in28, in29, in30, in31;
michael@0	3543	__m128i col[128];
michael@0	3544	__m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
michael@0	3545	stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
michael@0	3546	stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
michael@0	3547	stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
michael@0	3548	stp1_30, stp1_31;
michael@0	3549	__m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
michael@0	3550	stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
michael@0	3551	stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
michael@0	3552	stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
michael@0	3553	stp2_30, stp2_31;
michael@0	3554	__m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
michael@0	3555	int i, j, i32;
michael@0	3556	__m128i zero_idx[16];
michael@0	3557	int zero_flag[2];
michael@0	3558
michael@0	3559	// We work on a 8x32 block each time, and loop 8 times for 2-D 32x32 idct.
michael@0	3560	for (i = 0; i < 8; i++) {
michael@0	3561	i32 = (i << 5);
michael@0	3562	if (i < 4) {
michael@0	3563	// First 1-D idct
michael@0	3564	// Load input data.
michael@0	3565	LOAD_DQCOEFF(in0, input);
michael@0	3566	LOAD_DQCOEFF(in8, input);
michael@0	3567	LOAD_DQCOEFF(in16, input);
michael@0	3568	LOAD_DQCOEFF(in24, input);
michael@0	3569	LOAD_DQCOEFF(in1, input);
michael@0	3570	LOAD_DQCOEFF(in9, input);
michael@0	3571	LOAD_DQCOEFF(in17, input);
michael@0	3572	LOAD_DQCOEFF(in25, input);
michael@0	3573	LOAD_DQCOEFF(in2, input);
michael@0	3574	LOAD_DQCOEFF(in10, input);
michael@0	3575	LOAD_DQCOEFF(in18, input);
michael@0	3576	LOAD_DQCOEFF(in26, input);
michael@0	3577	LOAD_DQCOEFF(in3, input);
michael@0	3578	LOAD_DQCOEFF(in11, input);
michael@0	3579	LOAD_DQCOEFF(in19, input);
michael@0	3580	LOAD_DQCOEFF(in27, input);
michael@0	3581
michael@0	3582	LOAD_DQCOEFF(in4, input);
michael@0	3583	LOAD_DQCOEFF(in12, input);
michael@0	3584	LOAD_DQCOEFF(in20, input);
michael@0	3585	LOAD_DQCOEFF(in28, input);
michael@0	3586	LOAD_DQCOEFF(in5, input);
michael@0	3587	LOAD_DQCOEFF(in13, input);
michael@0	3588	LOAD_DQCOEFF(in21, input);
michael@0	3589	LOAD_DQCOEFF(in29, input);
michael@0	3590	LOAD_DQCOEFF(in6, input);
michael@0	3591	LOAD_DQCOEFF(in14, input);
michael@0	3592	LOAD_DQCOEFF(in22, input);
michael@0	3593	LOAD_DQCOEFF(in30, input);
michael@0	3594	LOAD_DQCOEFF(in7, input);
michael@0	3595	LOAD_DQCOEFF(in15, input);
michael@0	3596	LOAD_DQCOEFF(in23, input);
michael@0	3597	LOAD_DQCOEFF(in31, input);
michael@0	3598
michael@0	3599	// checking if all entries are zero
michael@0	3600	zero_idx[0] = _mm_or_si128(in0, in1);
michael@0	3601	zero_idx[1] = _mm_or_si128(in2, in3);
michael@0	3602	zero_idx[2] = _mm_or_si128(in4, in5);
michael@0	3603	zero_idx[3] = _mm_or_si128(in6, in7);
michael@0	3604	zero_idx[4] = _mm_or_si128(in8, in9);
michael@0	3605	zero_idx[5] = _mm_or_si128(in10, in11);
michael@0	3606	zero_idx[6] = _mm_or_si128(in12, in13);
michael@0	3607	zero_idx[7] = _mm_or_si128(in14, in15);
michael@0	3608	zero_idx[8] = _mm_or_si128(in16, in17);
michael@0	3609	zero_idx[9] = _mm_or_si128(in18, in19);
michael@0	3610	zero_idx[10] = _mm_or_si128(in20, in21);
michael@0	3611	zero_idx[11] = _mm_or_si128(in22, in23);
michael@0	3612	zero_idx[12] = _mm_or_si128(in24, in25);
michael@0	3613	zero_idx[13] = _mm_or_si128(in26, in27);
michael@0	3614	zero_idx[14] = _mm_or_si128(in28, in29);
michael@0	3615	zero_idx[15] = _mm_or_si128(in30, in31);
michael@0	3616
michael@0	3617	zero_idx[0] = _mm_or_si128(zero_idx[0], zero_idx[1]);
michael@0	3618	zero_idx[1] = _mm_or_si128(zero_idx[2], zero_idx[3]);
michael@0	3619	zero_idx[2] = _mm_or_si128(zero_idx[4], zero_idx[5]);
michael@0	3620	zero_idx[3] = _mm_or_si128(zero_idx[6], zero_idx[7]);
michael@0	3621	zero_idx[4] = _mm_or_si128(zero_idx[8], zero_idx[9]);
michael@0	3622	zero_idx[5] = _mm_or_si128(zero_idx[10], zero_idx[11]);
michael@0	3623	zero_idx[6] = _mm_or_si128(zero_idx[12], zero_idx[13]);
michael@0	3624	zero_idx[7] = _mm_or_si128(zero_idx[14], zero_idx[15]);
michael@0	3625
michael@0	3626	zero_idx[8] = _mm_or_si128(zero_idx[0], zero_idx[1]);
michael@0	3627	zero_idx[9] = _mm_or_si128(zero_idx[2], zero_idx[3]);
michael@0	3628	zero_idx[10] = _mm_or_si128(zero_idx[4], zero_idx[5]);
michael@0	3629	zero_idx[11] = _mm_or_si128(zero_idx[6], zero_idx[7]);
michael@0	3630	zero_idx[12] = _mm_or_si128(zero_idx[8], zero_idx[9]);
michael@0	3631	zero_idx[13] = _mm_or_si128(zero_idx[10], zero_idx[11]);
michael@0	3632	zero_idx[14] = _mm_or_si128(zero_idx[12], zero_idx[13]);
michael@0	3633
michael@0	3634	zero_idx[0] = _mm_unpackhi_epi64(zero_idx[14], zero_idx[14]);
michael@0	3635	zero_idx[1] = _mm_or_si128(zero_idx[0], zero_idx[14]);
michael@0	3636	zero_idx[2] = _mm_srli_epi64(zero_idx[1], 32);
michael@0	3637	zero_flag[0] = _mm_cvtsi128_si32(zero_idx[1]);
michael@0	3638	zero_flag[1] = _mm_cvtsi128_si32(zero_idx[2]);
michael@0	3639
michael@0	3640	if (!zero_flag[0] && !zero_flag[1]) {
michael@0	3641	col[i32 + 0] = _mm_setzero_si128();
michael@0	3642	col[i32 + 1] = _mm_setzero_si128();
michael@0	3643	col[i32 + 2] = _mm_setzero_si128();
michael@0	3644	col[i32 + 3] = _mm_setzero_si128();
michael@0	3645	col[i32 + 4] = _mm_setzero_si128();
michael@0	3646	col[i32 + 5] = _mm_setzero_si128();
michael@0	3647	col[i32 + 6] = _mm_setzero_si128();
michael@0	3648	col[i32 + 7] = _mm_setzero_si128();
michael@0	3649	col[i32 + 8] = _mm_setzero_si128();
michael@0	3650	col[i32 + 9] = _mm_setzero_si128();
michael@0	3651	col[i32 + 10] = _mm_setzero_si128();
michael@0	3652	col[i32 + 11] = _mm_setzero_si128();
michael@0	3653	col[i32 + 12] = _mm_setzero_si128();
michael@0	3654	col[i32 + 13] = _mm_setzero_si128();
michael@0	3655	col[i32 + 14] = _mm_setzero_si128();
michael@0	3656	col[i32 + 15] = _mm_setzero_si128();
michael@0	3657	col[i32 + 16] = _mm_setzero_si128();
michael@0	3658	col[i32 + 17] = _mm_setzero_si128();
michael@0	3659	col[i32 + 18] = _mm_setzero_si128();
michael@0	3660	col[i32 + 19] = _mm_setzero_si128();
michael@0	3661	col[i32 + 20] = _mm_setzero_si128();
michael@0	3662	col[i32 + 21] = _mm_setzero_si128();
michael@0	3663	col[i32 + 22] = _mm_setzero_si128();
michael@0	3664	col[i32 + 23] = _mm_setzero_si128();
michael@0	3665	col[i32 + 24] = _mm_setzero_si128();
michael@0	3666	col[i32 + 25] = _mm_setzero_si128();
michael@0	3667	col[i32 + 26] = _mm_setzero_si128();
michael@0	3668	col[i32 + 27] = _mm_setzero_si128();
michael@0	3669	col[i32 + 28] = _mm_setzero_si128();
michael@0	3670	col[i32 + 29] = _mm_setzero_si128();
michael@0	3671	col[i32 + 30] = _mm_setzero_si128();
michael@0	3672	col[i32 + 31] = _mm_setzero_si128();
michael@0	3673	continue;
michael@0	3674	}
michael@0	3675
michael@0	3676	// Transpose 32x8 block to 8x32 block
michael@0	3677	TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
michael@0	3678	in4, in5, in6, in7);
michael@0	3679	TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
michael@0	3680	in10, in11, in12, in13, in14, in15);
michael@0	3681	TRANSPOSE_8X8(in16, in17, in18, in19, in20, in21, in22, in23, in16, in17,
michael@0	3682	in18, in19, in20, in21, in22, in23);
michael@0	3683	TRANSPOSE_8X8(in24, in25, in26, in27, in28, in29, in30, in31, in24, in25,
michael@0	3684	in26, in27, in28, in29, in30, in31);
michael@0	3685	} else {
michael@0	3686	// Second 1-D idct
michael@0	3687	j = i - 4;
michael@0	3688
michael@0	3689	// Transpose 32x8 block to 8x32 block
michael@0	3690	TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
michael@0	3691	col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
michael@0	3692	col[j * 8 + 6], col[j * 8 + 7], in0, in1, in2, in3, in4,
michael@0	3693	in5, in6, in7);
michael@0	3694	j += 4;
michael@0	3695	TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
michael@0	3696	col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
michael@0	3697	col[j * 8 + 6], col[j * 8 + 7], in8, in9, in10,
michael@0	3698	in11, in12, in13, in14, in15);
michael@0	3699	j += 4;
michael@0	3700	TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
michael@0	3701	col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
michael@0	3702	col[j * 8 + 6], col[j * 8 + 7], in16, in17, in18,
michael@0	3703	in19, in20, in21, in22, in23);
michael@0	3704	j += 4;
michael@0	3705	TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
michael@0	3706	col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
michael@0	3707	col[j * 8 + 6], col[j * 8 + 7], in24, in25, in26, in27,
michael@0	3708	in28, in29, in30, in31);
michael@0	3709	}
michael@0	3710
michael@0	3711	IDCT32_1D
michael@0	3712
michael@0	3713	// final stage
michael@0	3714	if (i < 4) {
michael@0	3715	// 1_D: Store 32 intermediate results for each 8x32 block.
michael@0	3716	col[i32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
michael@0	3717	col[i32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
michael@0	3718	col[i32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
michael@0	3719	col[i32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
michael@0	3720	col[i32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
michael@0	3721	col[i32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
michael@0	3722	col[i32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
michael@0	3723	col[i32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
michael@0	3724	col[i32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
michael@0	3725	col[i32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
michael@0	3726	col[i32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
michael@0	3727	col[i32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
michael@0	3728	col[i32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
michael@0	3729	col[i32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
michael@0	3730	col[i32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
michael@0	3731	col[i32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
michael@0	3732	col[i32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
michael@0	3733	col[i32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
michael@0	3734	col[i32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
michael@0	3735	col[i32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
michael@0	3736	col[i32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
michael@0	3737	col[i32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
michael@0	3738	col[i32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
michael@0	3739	col[i32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
michael@0	3740	col[i32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
michael@0	3741	col[i32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
michael@0	3742	col[i32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
michael@0	3743	col[i32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
michael@0	3744	col[i32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
michael@0	3745	col[i32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
michael@0	3746	col[i32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
michael@0	3747	col[i32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
michael@0	3748	} else {
michael@0	3749	const __m128i zero = _mm_setzero_si128();
michael@0	3750
michael@0	3751	// 2_D: Calculate the results and store them to destination.
michael@0	3752	in0 = _mm_add_epi16(stp1_0, stp1_31);
michael@0	3753	in1 = _mm_add_epi16(stp1_1, stp1_30);
michael@0	3754	in2 = _mm_add_epi16(stp1_2, stp1_29);
michael@0	3755	in3 = _mm_add_epi16(stp1_3, stp1_28);
michael@0	3756	in4 = _mm_add_epi16(stp1_4, stp1_27);
michael@0	3757	in5 = _mm_add_epi16(stp1_5, stp1_26);
michael@0	3758	in6 = _mm_add_epi16(stp1_6, stp1_25);
michael@0	3759	in7 = _mm_add_epi16(stp1_7, stp1_24);
michael@0	3760	in8 = _mm_add_epi16(stp1_8, stp1_23);
michael@0	3761	in9 = _mm_add_epi16(stp1_9, stp1_22);
michael@0	3762	in10 = _mm_add_epi16(stp1_10, stp1_21);
michael@0	3763	in11 = _mm_add_epi16(stp1_11, stp1_20);
michael@0	3764	in12 = _mm_add_epi16(stp1_12, stp1_19);
michael@0	3765	in13 = _mm_add_epi16(stp1_13, stp1_18);
michael@0	3766	in14 = _mm_add_epi16(stp1_14, stp1_17);
michael@0	3767	in15 = _mm_add_epi16(stp1_15, stp1_16);
michael@0	3768	in16 = _mm_sub_epi16(stp1_15, stp1_16);
michael@0	3769	in17 = _mm_sub_epi16(stp1_14, stp1_17);
michael@0	3770	in18 = _mm_sub_epi16(stp1_13, stp1_18);
michael@0	3771	in19 = _mm_sub_epi16(stp1_12, stp1_19);
michael@0	3772	in20 = _mm_sub_epi16(stp1_11, stp1_20);
michael@0	3773	in21 = _mm_sub_epi16(stp1_10, stp1_21);
michael@0	3774	in22 = _mm_sub_epi16(stp1_9, stp1_22);
michael@0	3775	in23 = _mm_sub_epi16(stp1_8, stp1_23);
michael@0	3776	in24 = _mm_sub_epi16(stp1_7, stp1_24);
michael@0	3777	in25 = _mm_sub_epi16(stp1_6, stp1_25);
michael@0	3778	in26 = _mm_sub_epi16(stp1_5, stp1_26);
michael@0	3779	in27 = _mm_sub_epi16(stp1_4, stp1_27);
michael@0	3780	in28 = _mm_sub_epi16(stp1_3, stp1_28);
michael@0	3781	in29 = _mm_sub_epi16(stp1_2, stp1_29);
michael@0	3782	in30 = _mm_sub_epi16(stp1_1, stp1_30);
michael@0	3783	in31 = _mm_sub_epi16(stp1_0, stp1_31);
michael@0	3784
michael@0	3785	// Final rounding and shift
michael@0	3786	in0 = _mm_adds_epi16(in0, final_rounding);
michael@0	3787	in1 = _mm_adds_epi16(in1, final_rounding);
michael@0	3788	in2 = _mm_adds_epi16(in2, final_rounding);
michael@0	3789	in3 = _mm_adds_epi16(in3, final_rounding);
michael@0	3790	in4 = _mm_adds_epi16(in4, final_rounding);
michael@0	3791	in5 = _mm_adds_epi16(in5, final_rounding);
michael@0	3792	in6 = _mm_adds_epi16(in6, final_rounding);
michael@0	3793	in7 = _mm_adds_epi16(in7, final_rounding);
michael@0	3794	in8 = _mm_adds_epi16(in8, final_rounding);
michael@0	3795	in9 = _mm_adds_epi16(in9, final_rounding);
michael@0	3796	in10 = _mm_adds_epi16(in10, final_rounding);
michael@0	3797	in11 = _mm_adds_epi16(in11, final_rounding);
michael@0	3798	in12 = _mm_adds_epi16(in12, final_rounding);
michael@0	3799	in13 = _mm_adds_epi16(in13, final_rounding);
michael@0	3800	in14 = _mm_adds_epi16(in14, final_rounding);
michael@0	3801	in15 = _mm_adds_epi16(in15, final_rounding);
michael@0	3802	in16 = _mm_adds_epi16(in16, final_rounding);
michael@0	3803	in17 = _mm_adds_epi16(in17, final_rounding);
michael@0	3804	in18 = _mm_adds_epi16(in18, final_rounding);
michael@0	3805	in19 = _mm_adds_epi16(in19, final_rounding);
michael@0	3806	in20 = _mm_adds_epi16(in20, final_rounding);
michael@0	3807	in21 = _mm_adds_epi16(in21, final_rounding);
michael@0	3808	in22 = _mm_adds_epi16(in22, final_rounding);
michael@0	3809	in23 = _mm_adds_epi16(in23, final_rounding);
michael@0	3810	in24 = _mm_adds_epi16(in24, final_rounding);
michael@0	3811	in25 = _mm_adds_epi16(in25, final_rounding);
michael@0	3812	in26 = _mm_adds_epi16(in26, final_rounding);
michael@0	3813	in27 = _mm_adds_epi16(in27, final_rounding);
michael@0	3814	in28 = _mm_adds_epi16(in28, final_rounding);
michael@0	3815	in29 = _mm_adds_epi16(in29, final_rounding);
michael@0	3816	in30 = _mm_adds_epi16(in30, final_rounding);
michael@0	3817	in31 = _mm_adds_epi16(in31, final_rounding);
michael@0	3818
michael@0	3819	in0 = _mm_srai_epi16(in0, 6);
michael@0	3820	in1 = _mm_srai_epi16(in1, 6);
michael@0	3821	in2 = _mm_srai_epi16(in2, 6);
michael@0	3822	in3 = _mm_srai_epi16(in3, 6);
michael@0	3823	in4 = _mm_srai_epi16(in4, 6);
michael@0	3824	in5 = _mm_srai_epi16(in5, 6);
michael@0	3825	in6 = _mm_srai_epi16(in6, 6);
michael@0	3826	in7 = _mm_srai_epi16(in7, 6);
michael@0	3827	in8 = _mm_srai_epi16(in8, 6);
michael@0	3828	in9 = _mm_srai_epi16(in9, 6);
michael@0	3829	in10 = _mm_srai_epi16(in10, 6);
michael@0	3830	in11 = _mm_srai_epi16(in11, 6);
michael@0	3831	in12 = _mm_srai_epi16(in12, 6);
michael@0	3832	in13 = _mm_srai_epi16(in13, 6);
michael@0	3833	in14 = _mm_srai_epi16(in14, 6);
michael@0	3834	in15 = _mm_srai_epi16(in15, 6);
michael@0	3835	in16 = _mm_srai_epi16(in16, 6);
michael@0	3836	in17 = _mm_srai_epi16(in17, 6);
michael@0	3837	in18 = _mm_srai_epi16(in18, 6);
michael@0	3838	in19 = _mm_srai_epi16(in19, 6);
michael@0	3839	in20 = _mm_srai_epi16(in20, 6);
michael@0	3840	in21 = _mm_srai_epi16(in21, 6);
michael@0	3841	in22 = _mm_srai_epi16(in22, 6);
michael@0	3842	in23 = _mm_srai_epi16(in23, 6);
michael@0	3843	in24 = _mm_srai_epi16(in24, 6);
michael@0	3844	in25 = _mm_srai_epi16(in25, 6);
michael@0	3845	in26 = _mm_srai_epi16(in26, 6);
michael@0	3846	in27 = _mm_srai_epi16(in27, 6);
michael@0	3847	in28 = _mm_srai_epi16(in28, 6);
michael@0	3848	in29 = _mm_srai_epi16(in29, 6);
michael@0	3849	in30 = _mm_srai_epi16(in30, 6);
michael@0	3850	in31 = _mm_srai_epi16(in31, 6);
michael@0	3851
michael@0	3852	RECON_AND_STORE(dest, in0);
michael@0	3853	RECON_AND_STORE(dest, in1);
michael@0	3854	RECON_AND_STORE(dest, in2);
michael@0	3855	RECON_AND_STORE(dest, in3);
michael@0	3856	RECON_AND_STORE(dest, in4);
michael@0	3857	RECON_AND_STORE(dest, in5);
michael@0	3858	RECON_AND_STORE(dest, in6);
michael@0	3859	RECON_AND_STORE(dest, in7);
michael@0	3860	RECON_AND_STORE(dest, in8);
michael@0	3861	RECON_AND_STORE(dest, in9);
michael@0	3862	RECON_AND_STORE(dest, in10);
michael@0	3863	RECON_AND_STORE(dest, in11);
michael@0	3864	RECON_AND_STORE(dest, in12);
michael@0	3865	RECON_AND_STORE(dest, in13);
michael@0	3866	RECON_AND_STORE(dest, in14);
michael@0	3867	RECON_AND_STORE(dest, in15);
michael@0	3868	RECON_AND_STORE(dest, in16);
michael@0	3869	RECON_AND_STORE(dest, in17);
michael@0	3870	RECON_AND_STORE(dest, in18);
michael@0	3871	RECON_AND_STORE(dest, in19);
michael@0	3872	RECON_AND_STORE(dest, in20);
michael@0	3873	RECON_AND_STORE(dest, in21);
michael@0	3874	RECON_AND_STORE(dest, in22);
michael@0	3875	RECON_AND_STORE(dest, in23);
michael@0	3876	RECON_AND_STORE(dest, in24);
michael@0	3877	RECON_AND_STORE(dest, in25);
michael@0	3878	RECON_AND_STORE(dest, in26);
michael@0	3879	RECON_AND_STORE(dest, in27);
michael@0	3880	RECON_AND_STORE(dest, in28);
michael@0	3881	RECON_AND_STORE(dest, in29);
michael@0	3882	RECON_AND_STORE(dest, in30);
michael@0	3883	RECON_AND_STORE(dest, in31);
michael@0	3884
michael@0	3885	dest += 8 - (stride * 32);
michael@0	3886	}
michael@0	3887	}
michael@0	3888	} //NOLINT
michael@0	3889
michael@0	3890	void vp9_idct32x32_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
michael@0	3891	__m128i dc_value;
michael@0	3892	const __m128i zero = _mm_setzero_si128();
michael@0	3893	int a, i;
michael@0	3894
michael@0	3895	a = dct_const_round_shift(input[0] * cospi_16_64);
michael@0	3896	a = dct_const_round_shift(a * cospi_16_64);
michael@0	3897	a = ROUND_POWER_OF_TWO(a, 6);
michael@0	3898
michael@0	3899	dc_value = _mm_set1_epi16(a);
michael@0	3900
michael@0	3901	for (i = 0; i < 4; ++i) {
michael@0	3902	RECON_AND_STORE(dest, dc_value);
michael@0	3903	RECON_AND_STORE(dest, dc_value);
michael@0	3904	RECON_AND_STORE(dest, dc_value);
michael@0	3905	RECON_AND_STORE(dest, dc_value);
michael@0	3906	RECON_AND_STORE(dest, dc_value);
michael@0	3907	RECON_AND_STORE(dest, dc_value);
michael@0	3908	RECON_AND_STORE(dest, dc_value);
michael@0	3909	RECON_AND_STORE(dest, dc_value);
michael@0	3910	RECON_AND_STORE(dest, dc_value);
michael@0	3911	RECON_AND_STORE(dest, dc_value);
michael@0	3912	RECON_AND_STORE(dest, dc_value);
michael@0	3913	RECON_AND_STORE(dest, dc_value);
michael@0	3914	RECON_AND_STORE(dest, dc_value);
michael@0	3915	RECON_AND_STORE(dest, dc_value);
michael@0	3916	RECON_AND_STORE(dest, dc_value);
michael@0	3917	RECON_AND_STORE(dest, dc_value);
michael@0	3918	RECON_AND_STORE(dest, dc_value);
michael@0	3919	RECON_AND_STORE(dest, dc_value);
michael@0	3920	RECON_AND_STORE(dest, dc_value);
michael@0	3921	RECON_AND_STORE(dest, dc_value);
michael@0	3922	RECON_AND_STORE(dest, dc_value);
michael@0	3923	RECON_AND_STORE(dest, dc_value);
michael@0	3924	RECON_AND_STORE(dest, dc_value);
michael@0	3925	RECON_AND_STORE(dest, dc_value);
michael@0	3926	RECON_AND_STORE(dest, dc_value);
michael@0	3927	RECON_AND_STORE(dest, dc_value);
michael@0	3928	RECON_AND_STORE(dest, dc_value);
michael@0	3929	RECON_AND_STORE(dest, dc_value);
michael@0	3930	RECON_AND_STORE(dest, dc_value);
michael@0	3931	RECON_AND_STORE(dest, dc_value);
michael@0	3932	RECON_AND_STORE(dest, dc_value);
michael@0	3933	RECON_AND_STORE(dest, dc_value);
michael@0	3934	dest += 8 - (stride * 32);
michael@0	3935	}
michael@0	3936	}