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diff --git a/media/libjpeg/simd/i386/jfdctint-sse2.asm b/media/libjpeg/simd/i386/jfdctint-sse2.asm
new file mode 100644
index 0000000000..6f8e18cb9d
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+++ b/media/libjpeg/simd/i386/jfdctint-sse2.asm
@@ -0,0 +1,633 @@
+;
+; jfdctint.asm - accurate integer FDCT (SSE2)
+;
+; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+; Copyright (C) 2016, 2020, D. R. Commander.
+;
+; Based on the x86 SIMD extension for IJG JPEG library
+; Copyright (C) 1999-2006, MIYASAKA Masaru.
+; For conditions of distribution and use, see copyright notice in jsimdext.inc
+;
+; This file should be assembled with NASM (Netwide Assembler),
+; can *not* be assembled with Microsoft's MASM or any compatible
+; assembler (including Borland's Turbo Assembler).
+; NASM is available from http://nasm.sourceforge.net/ or
+; http://sourceforge.net/project/showfiles.php?group_id=6208
+;
+; This file contains a slower but more accurate integer implementation of the
+; forward DCT (Discrete Cosine Transform). The following code is based
+; directly on the IJG's original jfdctint.c; see the jfdctint.c for
+; more details.
+
+%include "jsimdext.inc"
+%include "jdct.inc"
+
+; --------------------------------------------------------------------------
+
+%define CONST_BITS 13
+%define PASS1_BITS 2
+
+%define DESCALE_P1 (CONST_BITS - PASS1_BITS)
+%define DESCALE_P2 (CONST_BITS + PASS1_BITS)
+
+%if CONST_BITS == 13
+F_0_298 equ 2446 ; FIX(0.298631336)
+F_0_390 equ 3196 ; FIX(0.390180644)
+F_0_541 equ 4433 ; FIX(0.541196100)
+F_0_765 equ 6270 ; FIX(0.765366865)
+F_0_899 equ 7373 ; FIX(0.899976223)
+F_1_175 equ 9633 ; FIX(1.175875602)
+F_1_501 equ 12299 ; FIX(1.501321110)
+F_1_847 equ 15137 ; FIX(1.847759065)
+F_1_961 equ 16069 ; FIX(1.961570560)
+F_2_053 equ 16819 ; FIX(2.053119869)
+F_2_562 equ 20995 ; FIX(2.562915447)
+F_3_072 equ 25172 ; FIX(3.072711026)
+%else
+; NASM cannot do compile-time arithmetic on floating-point constants.
+%define DESCALE(x, n) (((x) + (1 << ((n) - 1))) >> (n))
+F_0_298 equ DESCALE( 320652955, 30 - CONST_BITS) ; FIX(0.298631336)
+F_0_390 equ DESCALE( 418953276, 30 - CONST_BITS) ; FIX(0.390180644)
+F_0_541 equ DESCALE( 581104887, 30 - CONST_BITS) ; FIX(0.541196100)
+F_0_765 equ DESCALE( 821806413, 30 - CONST_BITS) ; FIX(0.765366865)
+F_0_899 equ DESCALE( 966342111, 30 - CONST_BITS) ; FIX(0.899976223)
+F_1_175 equ DESCALE(1262586813, 30 - CONST_BITS) ; FIX(1.175875602)
+F_1_501 equ DESCALE(1612031267, 30 - CONST_BITS) ; FIX(1.501321110)
+F_1_847 equ DESCALE(1984016188, 30 - CONST_BITS) ; FIX(1.847759065)
+F_1_961 equ DESCALE(2106220350, 30 - CONST_BITS) ; FIX(1.961570560)
+F_2_053 equ DESCALE(2204520673, 30 - CONST_BITS) ; FIX(2.053119869)
+F_2_562 equ DESCALE(2751909506, 30 - CONST_BITS) ; FIX(2.562915447)
+F_3_072 equ DESCALE(3299298341, 30 - CONST_BITS) ; FIX(3.072711026)
+%endif
+
+; --------------------------------------------------------------------------
+ SECTION SEG_CONST
+
+ alignz 32
+ GLOBAL_DATA(jconst_fdct_islow_sse2)
+
+EXTN(jconst_fdct_islow_sse2):
+
+PW_F130_F054 times 4 dw (F_0_541 + F_0_765), F_0_541
+PW_F054_MF130 times 4 dw F_0_541, (F_0_541 - F_1_847)
+PW_MF078_F117 times 4 dw (F_1_175 - F_1_961), F_1_175
+PW_F117_F078 times 4 dw F_1_175, (F_1_175 - F_0_390)
+PW_MF060_MF089 times 4 dw (F_0_298 - F_0_899), -F_0_899
+PW_MF089_F060 times 4 dw -F_0_899, (F_1_501 - F_0_899)
+PW_MF050_MF256 times 4 dw (F_2_053 - F_2_562), -F_2_562
+PW_MF256_F050 times 4 dw -F_2_562, (F_3_072 - F_2_562)
+PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1 - 1)
+PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2 - 1)
+PW_DESCALE_P2X times 8 dw 1 << (PASS1_BITS - 1)
+
+ alignz 32
+
+; --------------------------------------------------------------------------
+ SECTION SEG_TEXT
+ BITS 32
+;
+; Perform the forward DCT on one block of samples.
+;
+; GLOBAL(void)
+; jsimd_fdct_islow_sse2(DCTELEM *data)
+;
+
+%define data(b) (b) + 8 ; DCTELEM *data
+
+%define original_ebp ebp + 0
+%define wk(i) ebp - (WK_NUM - (i)) * SIZEOF_XMMWORD
+ ; xmmword wk[WK_NUM]
+%define WK_NUM 6
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_fdct_islow_sse2)
+
+EXTN(jsimd_fdct_islow_sse2):
+ push ebp
+ mov eax, esp ; eax = original ebp
+ sub esp, byte 4
+ and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits
+ mov [esp], eax
+ mov ebp, esp ; ebp = aligned ebp
+ lea esp, [wk(0)]
+ pushpic ebx
+; push ecx ; unused
+; push edx ; need not be preserved
+; push esi ; unused
+; push edi ; unused
+
+ get_GOT ebx ; get GOT address
+
+ ; ---- Pass 1: process rows.
+
+ mov edx, POINTER [data(eax)] ; (DCTELEM *)
+
+ movdqa xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_DCTELEM)]
+ movdqa xmm1, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_DCTELEM)]
+ movdqa xmm2, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_DCTELEM)]
+ movdqa xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_DCTELEM)]
+
+ ; xmm0=(00 01 02 03 04 05 06 07), xmm2=(20 21 22 23 24 25 26 27)
+ ; xmm1=(10 11 12 13 14 15 16 17), xmm3=(30 31 32 33 34 35 36 37)
+
+ movdqa xmm4, xmm0 ; transpose coefficients(phase 1)
+ punpcklwd xmm0, xmm1 ; xmm0=(00 10 01 11 02 12 03 13)
+ punpckhwd xmm4, xmm1 ; xmm4=(04 14 05 15 06 16 07 17)
+ movdqa xmm5, xmm2 ; transpose coefficients(phase 1)
+ punpcklwd xmm2, xmm3 ; xmm2=(20 30 21 31 22 32 23 33)
+ punpckhwd xmm5, xmm3 ; xmm5=(24 34 25 35 26 36 27 37)
+
+ movdqa xmm6, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_DCTELEM)]
+ movdqa xmm7, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_DCTELEM)]
+ movdqa xmm1, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_DCTELEM)]
+ movdqa xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_DCTELEM)]
+
+ ; xmm6=( 4 12 20 28 36 44 52 60), xmm1=( 6 14 22 30 38 46 54 62)
+ ; xmm7=( 5 13 21 29 37 45 53 61), xmm3=( 7 15 23 31 39 47 55 63)
+
+ movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(20 30 21 31 22 32 23 33)
+ movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(24 34 25 35 26 36 27 37)
+
+ movdqa xmm2, xmm6 ; transpose coefficients(phase 1)
+ punpcklwd xmm6, xmm7 ; xmm6=(40 50 41 51 42 52 43 53)
+ punpckhwd xmm2, xmm7 ; xmm2=(44 54 45 55 46 56 47 57)
+ movdqa xmm5, xmm1 ; transpose coefficients(phase 1)
+ punpcklwd xmm1, xmm3 ; xmm1=(60 70 61 71 62 72 63 73)
+ punpckhwd xmm5, xmm3 ; xmm5=(64 74 65 75 66 76 67 77)
+
+ movdqa xmm7, xmm6 ; transpose coefficients(phase 2)
+ punpckldq xmm6, xmm1 ; xmm6=(40 50 60 70 41 51 61 71)
+ punpckhdq xmm7, xmm1 ; xmm7=(42 52 62 72 43 53 63 73)
+ movdqa xmm3, xmm2 ; transpose coefficients(phase 2)
+ punpckldq xmm2, xmm5 ; xmm2=(44 54 64 74 45 55 65 75)
+ punpckhdq xmm3, xmm5 ; xmm3=(46 56 66 76 47 57 67 77)
+
+ movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(20 30 21 31 22 32 23 33)
+ movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(24 34 25 35 26 36 27 37)
+ movdqa XMMWORD [wk(2)], xmm7 ; wk(2)=(42 52 62 72 43 53 63 73)
+ movdqa XMMWORD [wk(3)], xmm2 ; wk(3)=(44 54 64 74 45 55 65 75)
+
+ movdqa xmm7, xmm0 ; transpose coefficients(phase 2)
+ punpckldq xmm0, xmm1 ; xmm0=(00 10 20 30 01 11 21 31)
+ punpckhdq xmm7, xmm1 ; xmm7=(02 12 22 32 03 13 23 33)
+ movdqa xmm2, xmm4 ; transpose coefficients(phase 2)
+ punpckldq xmm4, xmm5 ; xmm4=(04 14 24 34 05 15 25 35)
+ punpckhdq xmm2, xmm5 ; xmm2=(06 16 26 36 07 17 27 37)
+
+ movdqa xmm1, xmm0 ; transpose coefficients(phase 3)
+ punpcklqdq xmm0, xmm6 ; xmm0=(00 10 20 30 40 50 60 70)=data0
+ punpckhqdq xmm1, xmm6 ; xmm1=(01 11 21 31 41 51 61 71)=data1
+ movdqa xmm5, xmm2 ; transpose coefficients(phase 3)
+ punpcklqdq xmm2, xmm3 ; xmm2=(06 16 26 36 46 56 66 76)=data6
+ punpckhqdq xmm5, xmm3 ; xmm5=(07 17 27 37 47 57 67 77)=data7
+
+ movdqa xmm6, xmm1
+ movdqa xmm3, xmm0
+ psubw xmm1, xmm2 ; xmm1=data1-data6=tmp6
+ psubw xmm0, xmm5 ; xmm0=data0-data7=tmp7
+ paddw xmm6, xmm2 ; xmm6=data1+data6=tmp1
+ paddw xmm3, xmm5 ; xmm3=data0+data7=tmp0
+
+ movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(42 52 62 72 43 53 63 73)
+ movdqa xmm5, XMMWORD [wk(3)] ; xmm5=(44 54 64 74 45 55 65 75)
+ movdqa XMMWORD [wk(0)], xmm1 ; wk(0)=tmp6
+ movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp7
+
+ movdqa xmm1, xmm7 ; transpose coefficients(phase 3)
+ punpcklqdq xmm7, xmm2 ; xmm7=(02 12 22 32 42 52 62 72)=data2
+ punpckhqdq xmm1, xmm2 ; xmm1=(03 13 23 33 43 53 63 73)=data3
+ movdqa xmm0, xmm4 ; transpose coefficients(phase 3)
+ punpcklqdq xmm4, xmm5 ; xmm4=(04 14 24 34 44 54 64 74)=data4
+ punpckhqdq xmm0, xmm5 ; xmm0=(05 15 25 35 45 55 65 75)=data5
+
+ movdqa xmm2, xmm1
+ movdqa xmm5, xmm7
+ paddw xmm1, xmm4 ; xmm1=data3+data4=tmp3
+ paddw xmm7, xmm0 ; xmm7=data2+data5=tmp2
+ psubw xmm2, xmm4 ; xmm2=data3-data4=tmp4
+ psubw xmm5, xmm0 ; xmm5=data2-data5=tmp5
+
+ ; -- Even part
+
+ movdqa xmm4, xmm3
+ movdqa xmm0, xmm6
+ paddw xmm3, xmm1 ; xmm3=tmp10
+ paddw xmm6, xmm7 ; xmm6=tmp11
+ psubw xmm4, xmm1 ; xmm4=tmp13
+ psubw xmm0, xmm7 ; xmm0=tmp12
+
+ movdqa xmm1, xmm3
+ paddw xmm3, xmm6 ; xmm3=tmp10+tmp11
+ psubw xmm1, xmm6 ; xmm1=tmp10-tmp11
+
+ psllw xmm3, PASS1_BITS ; xmm3=data0
+ psllw xmm1, PASS1_BITS ; xmm1=data4
+
+ movdqa XMMWORD [wk(2)], xmm3 ; wk(2)=data0
+ movdqa XMMWORD [wk(3)], xmm1 ; wk(3)=data4
+
+ ; (Original)
+ ; z1 = (tmp12 + tmp13) * 0.541196100;
+ ; data2 = z1 + tmp13 * 0.765366865;
+ ; data6 = z1 + tmp12 * -1.847759065;
+ ;
+ ; (This implementation)
+ ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100;
+ ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065);
+
+ movdqa xmm7, xmm4 ; xmm4=tmp13
+ movdqa xmm6, xmm4
+ punpcklwd xmm7, xmm0 ; xmm0=tmp12
+ punpckhwd xmm6, xmm0
+ movdqa xmm4, xmm7
+ movdqa xmm0, xmm6
+ pmaddwd xmm7, [GOTOFF(ebx,PW_F130_F054)] ; xmm7=data2L
+ pmaddwd xmm6, [GOTOFF(ebx,PW_F130_F054)] ; xmm6=data2H
+ pmaddwd xmm4, [GOTOFF(ebx,PW_F054_MF130)] ; xmm4=data6L
+ pmaddwd xmm0, [GOTOFF(ebx,PW_F054_MF130)] ; xmm0=data6H
+
+ paddd xmm7, [GOTOFF(ebx,PD_DESCALE_P1)]
+ paddd xmm6, [GOTOFF(ebx,PD_DESCALE_P1)]
+ psrad xmm7, DESCALE_P1
+ psrad xmm6, DESCALE_P1
+ paddd xmm4, [GOTOFF(ebx,PD_DESCALE_P1)]
+ paddd xmm0, [GOTOFF(ebx,PD_DESCALE_P1)]
+ psrad xmm4, DESCALE_P1
+ psrad xmm0, DESCALE_P1
+
+ packssdw xmm7, xmm6 ; xmm7=data2
+ packssdw xmm4, xmm0 ; xmm4=data6
+
+ movdqa XMMWORD [wk(4)], xmm7 ; wk(4)=data2
+ movdqa XMMWORD [wk(5)], xmm4 ; wk(5)=data6
+
+ ; -- Odd part
+
+ movdqa xmm3, XMMWORD [wk(0)] ; xmm3=tmp6
+ movdqa xmm1, XMMWORD [wk(1)] ; xmm1=tmp7
+
+ movdqa xmm6, xmm2 ; xmm2=tmp4
+ movdqa xmm0, xmm5 ; xmm5=tmp5
+ paddw xmm6, xmm3 ; xmm6=z3
+ paddw xmm0, xmm1 ; xmm0=z4
+
+ ; (Original)
+ ; z5 = (z3 + z4) * 1.175875602;
+ ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644;
+ ; z3 += z5; z4 += z5;
+ ;
+ ; (This implementation)
+ ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602;
+ ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644);
+
+ movdqa xmm7, xmm6
+ movdqa xmm4, xmm6
+ punpcklwd xmm7, xmm0
+ punpckhwd xmm4, xmm0
+ movdqa xmm6, xmm7
+ movdqa xmm0, xmm4
+ pmaddwd xmm7, [GOTOFF(ebx,PW_MF078_F117)] ; xmm7=z3L
+ pmaddwd xmm4, [GOTOFF(ebx,PW_MF078_F117)] ; xmm4=z3H
+ pmaddwd xmm6, [GOTOFF(ebx,PW_F117_F078)] ; xmm6=z4L
+ pmaddwd xmm0, [GOTOFF(ebx,PW_F117_F078)] ; xmm0=z4H
+
+ movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=z3L
+ movdqa XMMWORD [wk(1)], xmm4 ; wk(1)=z3H
+
+ ; (Original)
+ ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6;
+ ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869;
+ ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110;
+ ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447;
+ ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4;
+ ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4;
+ ;
+ ; (This implementation)
+ ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223;
+ ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447;
+ ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447);
+ ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223);
+ ; data7 = tmp4 + z3; data5 = tmp5 + z4;
+ ; data3 = tmp6 + z3; data1 = tmp7 + z4;
+
+ movdqa xmm7, xmm2
+ movdqa xmm4, xmm2
+ punpcklwd xmm7, xmm1
+ punpckhwd xmm4, xmm1
+ movdqa xmm2, xmm7
+ movdqa xmm1, xmm4
+ pmaddwd xmm7, [GOTOFF(ebx,PW_MF060_MF089)] ; xmm7=tmp4L
+ pmaddwd xmm4, [GOTOFF(ebx,PW_MF060_MF089)] ; xmm4=tmp4H
+ pmaddwd xmm2, [GOTOFF(ebx,PW_MF089_F060)] ; xmm2=tmp7L
+ pmaddwd xmm1, [GOTOFF(ebx,PW_MF089_F060)] ; xmm1=tmp7H
+
+ paddd xmm7, XMMWORD [wk(0)] ; xmm7=data7L
+ paddd xmm4, XMMWORD [wk(1)] ; xmm4=data7H
+ paddd xmm2, xmm6 ; xmm2=data1L
+ paddd xmm1, xmm0 ; xmm1=data1H
+
+ paddd xmm7, [GOTOFF(ebx,PD_DESCALE_P1)]
+ paddd xmm4, [GOTOFF(ebx,PD_DESCALE_P1)]
+ psrad xmm7, DESCALE_P1
+ psrad xmm4, DESCALE_P1
+ paddd xmm2, [GOTOFF(ebx,PD_DESCALE_P1)]
+ paddd xmm1, [GOTOFF(ebx,PD_DESCALE_P1)]
+ psrad xmm2, DESCALE_P1
+ psrad xmm1, DESCALE_P1
+
+ packssdw xmm7, xmm4 ; xmm7=data7
+ packssdw xmm2, xmm1 ; xmm2=data1
+
+ movdqa xmm4, xmm5
+ movdqa xmm1, xmm5
+ punpcklwd xmm4, xmm3
+ punpckhwd xmm1, xmm3
+ movdqa xmm5, xmm4
+ movdqa xmm3, xmm1
+ pmaddwd xmm4, [GOTOFF(ebx,PW_MF050_MF256)] ; xmm4=tmp5L
+ pmaddwd xmm1, [GOTOFF(ebx,PW_MF050_MF256)] ; xmm1=tmp5H
+ pmaddwd xmm5, [GOTOFF(ebx,PW_MF256_F050)] ; xmm5=tmp6L
+ pmaddwd xmm3, [GOTOFF(ebx,PW_MF256_F050)] ; xmm3=tmp6H
+
+ paddd xmm4, xmm6 ; xmm4=data5L
+ paddd xmm1, xmm0 ; xmm1=data5H
+ paddd xmm5, XMMWORD [wk(0)] ; xmm5=data3L
+ paddd xmm3, XMMWORD [wk(1)] ; xmm3=data3H
+
+ paddd xmm4, [GOTOFF(ebx,PD_DESCALE_P1)]
+ paddd xmm1, [GOTOFF(ebx,PD_DESCALE_P1)]
+ psrad xmm4, DESCALE_P1
+ psrad xmm1, DESCALE_P1
+ paddd xmm5, [GOTOFF(ebx,PD_DESCALE_P1)]
+ paddd xmm3, [GOTOFF(ebx,PD_DESCALE_P1)]
+ psrad xmm5, DESCALE_P1
+ psrad xmm3, DESCALE_P1
+
+ packssdw xmm4, xmm1 ; xmm4=data5
+ packssdw xmm5, xmm3 ; xmm5=data3
+
+ ; ---- Pass 2: process columns.
+
+; mov edx, POINTER [data(eax)] ; (DCTELEM *)
+
+ movdqa xmm6, XMMWORD [wk(2)] ; xmm6=col0
+ movdqa xmm0, XMMWORD [wk(4)] ; xmm0=col2
+
+ ; xmm6=(00 10 20 30 40 50 60 70), xmm0=(02 12 22 32 42 52 62 72)
+ ; xmm2=(01 11 21 31 41 51 61 71), xmm5=(03 13 23 33 43 53 63 73)
+
+ movdqa xmm1, xmm6 ; transpose coefficients(phase 1)
+ punpcklwd xmm6, xmm2 ; xmm6=(00 01 10 11 20 21 30 31)
+ punpckhwd xmm1, xmm2 ; xmm1=(40 41 50 51 60 61 70 71)
+ movdqa xmm3, xmm0 ; transpose coefficients(phase 1)
+ punpcklwd xmm0, xmm5 ; xmm0=(02 03 12 13 22 23 32 33)
+ punpckhwd xmm3, xmm5 ; xmm3=(42 43 52 53 62 63 72 73)
+
+ movdqa xmm2, XMMWORD [wk(3)] ; xmm2=col4
+ movdqa xmm5, XMMWORD [wk(5)] ; xmm5=col6
+
+ ; xmm2=(04 14 24 34 44 54 64 74), xmm5=(06 16 26 36 46 56 66 76)
+ ; xmm4=(05 15 25 35 45 55 65 75), xmm7=(07 17 27 37 47 57 67 77)
+
+ movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=(02 03 12 13 22 23 32 33)
+ movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(42 43 52 53 62 63 72 73)
+
+ movdqa xmm0, xmm2 ; transpose coefficients(phase 1)
+ punpcklwd xmm2, xmm4 ; xmm2=(04 05 14 15 24 25 34 35)
+ punpckhwd xmm0, xmm4 ; xmm0=(44 45 54 55 64 65 74 75)
+ movdqa xmm3, xmm5 ; transpose coefficients(phase 1)
+ punpcklwd xmm5, xmm7 ; xmm5=(06 07 16 17 26 27 36 37)
+ punpckhwd xmm3, xmm7 ; xmm3=(46 47 56 57 66 67 76 77)
+
+ movdqa xmm4, xmm2 ; transpose coefficients(phase 2)
+ punpckldq xmm2, xmm5 ; xmm2=(04 05 06 07 14 15 16 17)
+ punpckhdq xmm4, xmm5 ; xmm4=(24 25 26 27 34 35 36 37)
+ movdqa xmm7, xmm0 ; transpose coefficients(phase 2)
+ punpckldq xmm0, xmm3 ; xmm0=(44 45 46 47 54 55 56 57)
+ punpckhdq xmm7, xmm3 ; xmm7=(64 65 66 67 74 75 76 77)
+
+ movdqa xmm5, XMMWORD [wk(0)] ; xmm5=(02 03 12 13 22 23 32 33)
+ movdqa xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53 62 63 72 73)
+ movdqa XMMWORD [wk(2)], xmm4 ; wk(2)=(24 25 26 27 34 35 36 37)
+ movdqa XMMWORD [wk(3)], xmm0 ; wk(3)=(44 45 46 47 54 55 56 57)
+
+ movdqa xmm4, xmm6 ; transpose coefficients(phase 2)
+ punpckldq xmm6, xmm5 ; xmm6=(00 01 02 03 10 11 12 13)
+ punpckhdq xmm4, xmm5 ; xmm4=(20 21 22 23 30 31 32 33)
+ movdqa xmm0, xmm1 ; transpose coefficients(phase 2)
+ punpckldq xmm1, xmm3 ; xmm1=(40 41 42 43 50 51 52 53)
+ punpckhdq xmm0, xmm3 ; xmm0=(60 61 62 63 70 71 72 73)
+
+ movdqa xmm5, xmm6 ; transpose coefficients(phase 3)
+ punpcklqdq xmm6, xmm2 ; xmm6=(00 01 02 03 04 05 06 07)=data0
+ punpckhqdq xmm5, xmm2 ; xmm5=(10 11 12 13 14 15 16 17)=data1
+ movdqa xmm3, xmm0 ; transpose coefficients(phase 3)
+ punpcklqdq xmm0, xmm7 ; xmm0=(60 61 62 63 64 65 66 67)=data6
+ punpckhqdq xmm3, xmm7 ; xmm3=(70 71 72 73 74 75 76 77)=data7
+
+ movdqa xmm2, xmm5
+ movdqa xmm7, xmm6
+ psubw xmm5, xmm0 ; xmm5=data1-data6=tmp6
+ psubw xmm6, xmm3 ; xmm6=data0-data7=tmp7
+ paddw xmm2, xmm0 ; xmm2=data1+data6=tmp1
+ paddw xmm7, xmm3 ; xmm7=data0+data7=tmp0
+
+ movdqa xmm0, XMMWORD [wk(2)] ; xmm0=(24 25 26 27 34 35 36 37)
+ movdqa xmm3, XMMWORD [wk(3)] ; xmm3=(44 45 46 47 54 55 56 57)
+ movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=tmp6
+ movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7
+
+ movdqa xmm5, xmm4 ; transpose coefficients(phase 3)
+ punpcklqdq xmm4, xmm0 ; xmm4=(20 21 22 23 24 25 26 27)=data2
+ punpckhqdq xmm5, xmm0 ; xmm5=(30 31 32 33 34 35 36 37)=data3
+ movdqa xmm6, xmm1 ; transpose coefficients(phase 3)
+ punpcklqdq xmm1, xmm3 ; xmm1=(40 41 42 43 44 45 46 47)=data4
+ punpckhqdq xmm6, xmm3 ; xmm6=(50 51 52 53 54 55 56 57)=data5
+
+ movdqa xmm0, xmm5
+ movdqa xmm3, xmm4
+ paddw xmm5, xmm1 ; xmm5=data3+data4=tmp3
+ paddw xmm4, xmm6 ; xmm4=data2+data5=tmp2
+ psubw xmm0, xmm1 ; xmm0=data3-data4=tmp4
+ psubw xmm3, xmm6 ; xmm3=data2-data5=tmp5
+
+ ; -- Even part
+
+ movdqa xmm1, xmm7
+ movdqa xmm6, xmm2
+ paddw xmm7, xmm5 ; xmm7=tmp10
+ paddw xmm2, xmm4 ; xmm2=tmp11
+ psubw xmm1, xmm5 ; xmm1=tmp13
+ psubw xmm6, xmm4 ; xmm6=tmp12
+
+ movdqa xmm5, xmm7
+ paddw xmm7, xmm2 ; xmm7=tmp10+tmp11
+ psubw xmm5, xmm2 ; xmm5=tmp10-tmp11
+
+ paddw xmm7, [GOTOFF(ebx,PW_DESCALE_P2X)]
+ paddw xmm5, [GOTOFF(ebx,PW_DESCALE_P2X)]
+ psraw xmm7, PASS1_BITS ; xmm7=data0
+ psraw xmm5, PASS1_BITS ; xmm5=data4
+
+ movdqa XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_DCTELEM)], xmm7
+ movdqa XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_DCTELEM)], xmm5
+
+ ; (Original)
+ ; z1 = (tmp12 + tmp13) * 0.541196100;
+ ; data2 = z1 + tmp13 * 0.765366865;
+ ; data6 = z1 + tmp12 * -1.847759065;
+ ;
+ ; (This implementation)
+ ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100;
+ ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065);
+
+ movdqa xmm4, xmm1 ; xmm1=tmp13
+ movdqa xmm2, xmm1
+ punpcklwd xmm4, xmm6 ; xmm6=tmp12
+ punpckhwd xmm2, xmm6
+ movdqa xmm1, xmm4
+ movdqa xmm6, xmm2
+ pmaddwd xmm4, [GOTOFF(ebx,PW_F130_F054)] ; xmm4=data2L
+ pmaddwd xmm2, [GOTOFF(ebx,PW_F130_F054)] ; xmm2=data2H
+ pmaddwd xmm1, [GOTOFF(ebx,PW_F054_MF130)] ; xmm1=data6L
+ pmaddwd xmm6, [GOTOFF(ebx,PW_F054_MF130)] ; xmm6=data6H
+
+ paddd xmm4, [GOTOFF(ebx,PD_DESCALE_P2)]
+ paddd xmm2, [GOTOFF(ebx,PD_DESCALE_P2)]
+ psrad xmm4, DESCALE_P2
+ psrad xmm2, DESCALE_P2
+ paddd xmm1, [GOTOFF(ebx,PD_DESCALE_P2)]
+ paddd xmm6, [GOTOFF(ebx,PD_DESCALE_P2)]
+ psrad xmm1, DESCALE_P2
+ psrad xmm6, DESCALE_P2
+
+ packssdw xmm4, xmm2 ; xmm4=data2
+ packssdw xmm1, xmm6 ; xmm1=data6
+
+ movdqa XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_DCTELEM)], xmm4
+ movdqa XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_DCTELEM)], xmm1
+
+ ; -- Odd part
+
+ movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp6
+ movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp7
+
+ movdqa xmm2, xmm0 ; xmm0=tmp4
+ movdqa xmm6, xmm3 ; xmm3=tmp5
+ paddw xmm2, xmm7 ; xmm2=z3
+ paddw xmm6, xmm5 ; xmm6=z4
+
+ ; (Original)
+ ; z5 = (z3 + z4) * 1.175875602;
+ ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644;
+ ; z3 += z5; z4 += z5;
+ ;
+ ; (This implementation)
+ ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602;
+ ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644);
+
+ movdqa xmm4, xmm2
+ movdqa xmm1, xmm2
+ punpcklwd xmm4, xmm6
+ punpckhwd xmm1, xmm6
+ movdqa xmm2, xmm4
+ movdqa xmm6, xmm1
+ pmaddwd xmm4, [GOTOFF(ebx,PW_MF078_F117)] ; xmm4=z3L
+ pmaddwd xmm1, [GOTOFF(ebx,PW_MF078_F117)] ; xmm1=z3H
+ pmaddwd xmm2, [GOTOFF(ebx,PW_F117_F078)] ; xmm2=z4L
+ pmaddwd xmm6, [GOTOFF(ebx,PW_F117_F078)] ; xmm6=z4H
+
+ movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=z3L
+ movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=z3H
+
+ ; (Original)
+ ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6;
+ ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869;
+ ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110;
+ ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447;
+ ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4;
+ ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4;
+ ;
+ ; (This implementation)
+ ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223;
+ ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447;
+ ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447);
+ ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223);
+ ; data7 = tmp4 + z3; data5 = tmp5 + z4;
+ ; data3 = tmp6 + z3; data1 = tmp7 + z4;
+
+ movdqa xmm4, xmm0
+ movdqa xmm1, xmm0
+ punpcklwd xmm4, xmm5
+ punpckhwd xmm1, xmm5
+ movdqa xmm0, xmm4
+ movdqa xmm5, xmm1
+ pmaddwd xmm4, [GOTOFF(ebx,PW_MF060_MF089)] ; xmm4=tmp4L
+ pmaddwd xmm1, [GOTOFF(ebx,PW_MF060_MF089)] ; xmm1=tmp4H
+ pmaddwd xmm0, [GOTOFF(ebx,PW_MF089_F060)] ; xmm0=tmp7L
+ pmaddwd xmm5, [GOTOFF(ebx,PW_MF089_F060)] ; xmm5=tmp7H
+
+ paddd xmm4, XMMWORD [wk(0)] ; xmm4=data7L
+ paddd xmm1, XMMWORD [wk(1)] ; xmm1=data7H
+ paddd xmm0, xmm2 ; xmm0=data1L
+ paddd xmm5, xmm6 ; xmm5=data1H
+
+ paddd xmm4, [GOTOFF(ebx,PD_DESCALE_P2)]
+ paddd xmm1, [GOTOFF(ebx,PD_DESCALE_P2)]
+ psrad xmm4, DESCALE_P2
+ psrad xmm1, DESCALE_P2
+ paddd xmm0, [GOTOFF(ebx,PD_DESCALE_P2)]
+ paddd xmm5, [GOTOFF(ebx,PD_DESCALE_P2)]
+ psrad xmm0, DESCALE_P2
+ psrad xmm5, DESCALE_P2
+
+ packssdw xmm4, xmm1 ; xmm4=data7
+ packssdw xmm0, xmm5 ; xmm0=data1
+
+ movdqa XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_DCTELEM)], xmm4
+ movdqa XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_DCTELEM)], xmm0
+
+ movdqa xmm1, xmm3
+ movdqa xmm5, xmm3
+ punpcklwd xmm1, xmm7
+ punpckhwd xmm5, xmm7
+ movdqa xmm3, xmm1
+ movdqa xmm7, xmm5
+ pmaddwd xmm1, [GOTOFF(ebx,PW_MF050_MF256)] ; xmm1=tmp5L
+ pmaddwd xmm5, [GOTOFF(ebx,PW_MF050_MF256)] ; xmm5=tmp5H
+ pmaddwd xmm3, [GOTOFF(ebx,PW_MF256_F050)] ; xmm3=tmp6L
+ pmaddwd xmm7, [GOTOFF(ebx,PW_MF256_F050)] ; xmm7=tmp6H
+
+ paddd xmm1, xmm2 ; xmm1=data5L
+ paddd xmm5, xmm6 ; xmm5=data5H
+ paddd xmm3, XMMWORD [wk(0)] ; xmm3=data3L
+ paddd xmm7, XMMWORD [wk(1)] ; xmm7=data3H
+
+ paddd xmm1, [GOTOFF(ebx,PD_DESCALE_P2)]
+ paddd xmm5, [GOTOFF(ebx,PD_DESCALE_P2)]
+ psrad xmm1, DESCALE_P2
+ psrad xmm5, DESCALE_P2
+ paddd xmm3, [GOTOFF(ebx,PD_DESCALE_P2)]
+ paddd xmm7, [GOTOFF(ebx,PD_DESCALE_P2)]
+ psrad xmm3, DESCALE_P2
+ psrad xmm7, DESCALE_P2
+
+ packssdw xmm1, xmm5 ; xmm1=data5
+ packssdw xmm3, xmm7 ; xmm3=data3
+
+ movdqa XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_DCTELEM)], xmm1
+ movdqa XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_DCTELEM)], xmm3
+
+; pop edi ; unused
+; pop esi ; unused
+; pop edx ; need not be preserved
+; pop ecx ; unused
+ poppic ebx
+ mov esp, ebp ; esp <- aligned ebp
+ pop esp ; esp <- original ebp
+ pop ebp
+ ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+ align 32
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-09 16:18:21 +0000