libvpx: Pull from upstream

source/libvpx/vp9/encoder/x86/vp9_dct_ssse3.asm

-;
-;  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
-;
-;  Use of this source code is governed by a BSD-style license
-;  that can be found in the LICENSE file in the root of the source
-;  tree. An additional intellectual property rights grant can be found
-;  in the file PATENTS.  All contributing project authors may
-;  be found in the AUTHORS file in the root of the source tree.
-;
-%include "third_party/x86inc/x86inc.asm"
-
-; This file provides SSSE3 version of the forward transformation. Part
-; of the macro definitions are originally derived from the ffmpeg project.
-; The current version applies to x86 64-bit only.
-
-SECTION_RODATA
-
-pw_11585x2: times 8 dw 23170
-pd_8192:    times 4 dd 8192
-
-%macro TRANSFORM_COEFFS 2
-pw_%1_%2:   dw  %1,  %2,  %1,  %2,  %1,  %2,  %1,  %2
-pw_%2_m%1:  dw  %2, -%1,  %2, -%1,  %2, -%1,  %2, -%1
-%endmacro
-
-TRANSFORM_COEFFS 15137,   6270
-TRANSFORM_COEFFS 16069,   3196
-TRANSFORM_COEFFS  9102,  13623
-
-SECTION .text
-
-%if ARCH_X86_64
-%macro SUM_SUB 3
-  psubw  m%3, m%1, m%2
-  paddw  m%1, m%2
-  SWAP    %2, %3
-%endmacro
-
-; butterfly operation
-%macro MUL_ADD_2X 6 ; dst1, dst2, src, round, coefs1, coefs2
-  pmaddwd            m%1, m%3, %5
-  pmaddwd            m%2, m%3, %6
-  paddd              m%1,  %4
-  paddd              m%2,  %4
-  psrad              m%1,  14
-  psrad              m%2,  14
-%endmacro
-
-%macro BUTTERFLY_4X 7 ; dst1, dst2, coef1, coef2, round, tmp1, tmp2
-  punpckhwd          m%6, m%2, m%1
-  MUL_ADD_2X         %7,  %6,  %6,  %5, [pw_%4_%3], [pw_%3_m%4]
-  punpcklwd          m%2, m%1
-  MUL_ADD_2X         %1,  %2,  %2,  %5, [pw_%4_%3], [pw_%3_m%4]
-  packssdw           m%1, m%7
-  packssdw           m%2, m%6
-%endmacro
-
-; matrix transpose
-%macro INTERLEAVE_2X 4
-  punpckh%1          m%4, m%2, m%3
-  punpckl%1          m%2, m%3
-  SWAP               %3,  %4
-%endmacro
-
-%macro TRANSPOSE8X8 9
-  INTERLEAVE_2X  wd, %1, %2, %9
-  INTERLEAVE_2X  wd, %3, %4, %9
-  INTERLEAVE_2X  wd, %5, %6, %9
-  INTERLEAVE_2X  wd, %7, %8, %9
-
-  INTERLEAVE_2X  dq, %1, %3, %9
-  INTERLEAVE_2X  dq, %2, %4, %9
-  INTERLEAVE_2X  dq, %5, %7, %9
-  INTERLEAVE_2X  dq, %6, %8, %9
-
-  INTERLEAVE_2X  qdq, %1, %5, %9
-  INTERLEAVE_2X  qdq, %3, %7, %9
-  INTERLEAVE_2X  qdq, %2, %6, %9
-  INTERLEAVE_2X  qdq, %4, %8, %9
-
-  SWAP  %2, %5
-  SWAP  %4, %7
-%endmacro
-
-; 1D forward 8x8 DCT transform
-%macro FDCT8_1D 0
-  SUM_SUB            0,  7,  9
-  SUM_SUB            1,  6,  9
-  SUM_SUB            2,  5,  9
-  SUM_SUB            3,  4,  9
-
-  SUM_SUB            0,  3,  9
-  SUM_SUB            1,  2,  9
-  SUM_SUB            6,  5,  9
-  SUM_SUB            0,  1,  9
-
-  BUTTERFLY_4X       2,  3,  6270,  15137,  m8,  9,  10
-
-  pmulhrsw           m6, m12
-  pmulhrsw           m5, m12
-  pmulhrsw           m0, m12
-  pmulhrsw           m1, m12
-
-  SUM_SUB            4,  5,  9
-  SUM_SUB            7,  6,  9
-  BUTTERFLY_4X       4,  7,  3196,  16069,  m8,  9,  10
-  BUTTERFLY_4X       5,  6,  13623,  9102,  m8,  9,  10
-  SWAP               1,  4
-  SWAP               3,  6
-%endmacro
-
-%macro DIVIDE_ROUND_2X 4 ; dst1, dst2, tmp1, tmp2
-  psraw              m%3, m%1, 15
-  psraw              m%4, m%2, 15
-  psubw              m%1, m%3
-  psubw              m%2, m%4
-  psraw              m%1, 1
-  psraw              m%2, 1
-%endmacro
-
-INIT_XMM ssse3
-cglobal fdct8x8, 3, 5, 13, input, output, stride
-
-  mova               m8, [pd_8192]
-  mova              m12, [pw_11585x2]
-  pxor              m11, m11
-
-  lea                r3, [2 * strideq]
-  lea                r4, [4 * strideq]
-  mova               m0, [inputq]
-  mova               m1, [inputq + r3]
-  lea                inputq, [inputq + r4]
-  mova               m2, [inputq]
-  mova               m3, [inputq + r3]
-  lea                inputq, [inputq + r4]
-  mova               m4, [inputq]
-  mova               m5, [inputq + r3]
-  lea                inputq, [inputq + r4]
-  mova               m6, [inputq]
-  mova               m7, [inputq + r3]
-
-  ; left shift by 2 to increase forward transformation precision
-  psllw              m0, 2
-  psllw              m1, 2
-  psllw              m2, 2
-  psllw              m3, 2
-  psllw              m4, 2
-  psllw              m5, 2
-  psllw              m6, 2
-  psllw              m7, 2
-
-  ; column transform
-  FDCT8_1D
-  TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9
-
-  FDCT8_1D
-  TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9
-
-  DIVIDE_ROUND_2X   0, 1, 9, 10
-  DIVIDE_ROUND_2X   2, 3, 9, 10
-  DIVIDE_ROUND_2X   4, 5, 9, 10
-  DIVIDE_ROUND_2X   6, 7, 9, 10
-
-  mova              [outputq +   0], m0
-  mova              [outputq +  16], m1
-  mova              [outputq +  32], m2
-  mova              [outputq +  48], m3
-  mova              [outputq +  64], m4
-  mova              [outputq +  80], m5
-  mova              [outputq +  96], m6
-  mova              [outputq + 112], m7
-
-  RET
-%endif