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gecko/media/libjpeg/simd/jfss2int-64.asm
Bobby Holley f21bd429e5 Bug 584894 - Move libjpeg to media/libjpeg. r=khuey 
--HG--
rename : jpeg/MOZCHANGES => media/libjpeg/MOZCHANGES
rename : jpeg/Makefile.in => media/libjpeg/Makefile.in
rename : jpeg/README => media/libjpeg/README
rename : jpeg/README-turbo.txt => media/libjpeg/README-turbo.txt
rename : jpeg/cderror.h => media/libjpeg/cderror.h
rename : jpeg/cdjpeg.h => media/libjpeg/cdjpeg.h
rename : jpeg/jaricom.c => media/libjpeg/jaricom.c
rename : jpeg/jcapimin.c => media/libjpeg/jcapimin.c
rename : jpeg/jcapistd.c => media/libjpeg/jcapistd.c
rename : jpeg/jcarith.c => media/libjpeg/jcarith.c
rename : jpeg/jccoefct.c => media/libjpeg/jccoefct.c
rename : jpeg/jccolor.c => media/libjpeg/jccolor.c
rename : jpeg/jcdctmgr.c => media/libjpeg/jcdctmgr.c
rename : jpeg/jchuff.c => media/libjpeg/jchuff.c
rename : jpeg/jchuff.h => media/libjpeg/jchuff.h
rename : jpeg/jcinit.c => media/libjpeg/jcinit.c
rename : jpeg/jcmainct.c => media/libjpeg/jcmainct.c
rename : jpeg/jcmarker.c => media/libjpeg/jcmarker.c
rename : jpeg/jcmaster.c => media/libjpeg/jcmaster.c
rename : jpeg/jcomapi.c => media/libjpeg/jcomapi.c
rename : jpeg/jconfig.h => media/libjpeg/jconfig.h
rename : jpeg/jconfig.h.in => media/libjpeg/jconfig.h.in
rename : jpeg/jcparam.c => media/libjpeg/jcparam.c
rename : jpeg/jcphuff.c => media/libjpeg/jcphuff.c
rename : jpeg/jcprepct.c => media/libjpeg/jcprepct.c
rename : jpeg/jcsample.c => media/libjpeg/jcsample.c
rename : jpeg/jdapimin.c => media/libjpeg/jdapimin.c
rename : jpeg/jdapistd.c => media/libjpeg/jdapistd.c
rename : jpeg/jdarith.c => media/libjpeg/jdarith.c
rename : jpeg/jdatadst.c => media/libjpeg/jdatadst.c
rename : jpeg/jdatasrc.c => media/libjpeg/jdatasrc.c
rename : jpeg/jdcoefct.c => media/libjpeg/jdcoefct.c
rename : jpeg/jdcolor.c => media/libjpeg/jdcolor.c
rename : jpeg/jdct.h => media/libjpeg/jdct.h
rename : jpeg/jddctmgr.c => media/libjpeg/jddctmgr.c
rename : jpeg/jdhuff.c => media/libjpeg/jdhuff.c
rename : jpeg/jdhuff.h => media/libjpeg/jdhuff.h
rename : jpeg/jdinput.c => media/libjpeg/jdinput.c
rename : jpeg/jdmainct.c => media/libjpeg/jdmainct.c
rename : jpeg/jdmarker.c => media/libjpeg/jdmarker.c
rename : jpeg/jdmaster.c => media/libjpeg/jdmaster.c
rename : jpeg/jdmerge.c => media/libjpeg/jdmerge.c
rename : jpeg/jdphuff.c => media/libjpeg/jdphuff.c
rename : jpeg/jdpostct.c => media/libjpeg/jdpostct.c
rename : jpeg/jdsample.c => media/libjpeg/jdsample.c
rename : jpeg/jdtrans.c => media/libjpeg/jdtrans.c
rename : jpeg/jerror.c => media/libjpeg/jerror.c
rename : jpeg/jerror.h => media/libjpeg/jerror.h
rename : jpeg/jfdctflt.c => media/libjpeg/jfdctflt.c
rename : jpeg/jfdctfst.c => media/libjpeg/jfdctfst.c
rename : jpeg/jfdctint.c => media/libjpeg/jfdctint.c
rename : jpeg/jidctflt.c => media/libjpeg/jidctflt.c
rename : jpeg/jidctfst.c => media/libjpeg/jidctfst.c
rename : jpeg/jidctint.c => media/libjpeg/jidctint.c
rename : jpeg/jidctred.c => media/libjpeg/jidctred.c
rename : jpeg/jinclude.h => media/libjpeg/jinclude.h
rename : jpeg/jmemmgr.c => media/libjpeg/jmemmgr.c
rename : jpeg/jmemnobs.c => media/libjpeg/jmemnobs.c
rename : jpeg/jmemsys.h => media/libjpeg/jmemsys.h
rename : jpeg/jmorecfg.h => media/libjpeg/jmorecfg.h
rename : jpeg/jpegcomp.h => media/libjpeg/jpegcomp.h
rename : jpeg/jpegint.h => media/libjpeg/jpegint.h
rename : jpeg/jpeglib.h => media/libjpeg/jpeglib.h
rename : jpeg/jquant1.c => media/libjpeg/jquant1.c
rename : jpeg/jquant2.c => media/libjpeg/jquant2.c
rename : jpeg/jsimd.h => media/libjpeg/jsimd.h
rename : jpeg/jsimd_none.c => media/libjpeg/jsimd_none.c
rename : jpeg/jsimddct.h => media/libjpeg/jsimddct.h
rename : jpeg/jutils.c => media/libjpeg/jutils.c
rename : jpeg/jversion.h => media/libjpeg/jversion.h
rename : jpeg/simd/Makefile.in => media/libjpeg/simd/Makefile.in
rename : jpeg/simd/jcclrmmx.asm => media/libjpeg/simd/jcclrmmx.asm
rename : jpeg/simd/jcclrss2-64.asm => media/libjpeg/simd/jcclrss2-64.asm
rename : jpeg/simd/jcclrss2.asm => media/libjpeg/simd/jcclrss2.asm
rename : jpeg/simd/jccolmmx.asm => media/libjpeg/simd/jccolmmx.asm
rename : jpeg/simd/jccolss2-64.asm => media/libjpeg/simd/jccolss2-64.asm
rename : jpeg/simd/jccolss2.asm => media/libjpeg/simd/jccolss2.asm
rename : jpeg/simd/jcolsamp.inc => media/libjpeg/simd/jcolsamp.inc
rename : jpeg/simd/jcqnt3dn.asm => media/libjpeg/simd/jcqnt3dn.asm
rename : jpeg/simd/jcqntmmx.asm => media/libjpeg/simd/jcqntmmx.asm
rename : jpeg/simd/jcqnts2f-64.asm => media/libjpeg/simd/jcqnts2f-64.asm
rename : jpeg/simd/jcqnts2f.asm => media/libjpeg/simd/jcqnts2f.asm
rename : jpeg/simd/jcqnts2i-64.asm => media/libjpeg/simd/jcqnts2i-64.asm
rename : jpeg/simd/jcqnts2i.asm => media/libjpeg/simd/jcqnts2i.asm
rename : jpeg/simd/jcqntsse.asm => media/libjpeg/simd/jcqntsse.asm
rename : jpeg/simd/jcsammmx.asm => media/libjpeg/simd/jcsammmx.asm
rename : jpeg/simd/jcsamss2-64.asm => media/libjpeg/simd/jcsamss2-64.asm
rename : jpeg/simd/jcsamss2.asm => media/libjpeg/simd/jcsamss2.asm
rename : jpeg/simd/jdclrmmx.asm => media/libjpeg/simd/jdclrmmx.asm
rename : jpeg/simd/jdclrss2-64.asm => media/libjpeg/simd/jdclrss2-64.asm
rename : jpeg/simd/jdclrss2.asm => media/libjpeg/simd/jdclrss2.asm
rename : jpeg/simd/jdcolmmx.asm => media/libjpeg/simd/jdcolmmx.asm
rename : jpeg/simd/jdcolss2-64.asm => media/libjpeg/simd/jdcolss2-64.asm
rename : jpeg/simd/jdcolss2.asm => media/libjpeg/simd/jdcolss2.asm
rename : jpeg/simd/jdct.inc => media/libjpeg/simd/jdct.inc
rename : jpeg/simd/jdmermmx.asm => media/libjpeg/simd/jdmermmx.asm
rename : jpeg/simd/jdmerss2-64.asm => media/libjpeg/simd/jdmerss2-64.asm
rename : jpeg/simd/jdmerss2.asm => media/libjpeg/simd/jdmerss2.asm
rename : jpeg/simd/jdmrgmmx.asm => media/libjpeg/simd/jdmrgmmx.asm
rename : jpeg/simd/jdmrgss2-64.asm => media/libjpeg/simd/jdmrgss2-64.asm
rename : jpeg/simd/jdmrgss2.asm => media/libjpeg/simd/jdmrgss2.asm
rename : jpeg/simd/jdsammmx.asm => media/libjpeg/simd/jdsammmx.asm
rename : jpeg/simd/jdsamss2-64.asm => media/libjpeg/simd/jdsamss2-64.asm
rename : jpeg/simd/jdsamss2.asm => media/libjpeg/simd/jdsamss2.asm
rename : jpeg/simd/jf3dnflt.asm => media/libjpeg/simd/jf3dnflt.asm
rename : jpeg/simd/jfmmxfst.asm => media/libjpeg/simd/jfmmxfst.asm
rename : jpeg/simd/jfmmxint.asm => media/libjpeg/simd/jfmmxint.asm
rename : jpeg/simd/jfss2fst-64.asm => media/libjpeg/simd/jfss2fst-64.asm
rename : jpeg/simd/jfss2fst.asm => media/libjpeg/simd/jfss2fst.asm
rename : jpeg/simd/jfss2int-64.asm => media/libjpeg/simd/jfss2int-64.asm
rename : jpeg/simd/jfss2int.asm => media/libjpeg/simd/jfss2int.asm
rename : jpeg/simd/jfsseflt-64.asm => media/libjpeg/simd/jfsseflt-64.asm
rename : jpeg/simd/jfsseflt.asm => media/libjpeg/simd/jfsseflt.asm
rename : jpeg/simd/ji3dnflt.asm => media/libjpeg/simd/ji3dnflt.asm
rename : jpeg/simd/jimmxfst.asm => media/libjpeg/simd/jimmxfst.asm
rename : jpeg/simd/jimmxint.asm => media/libjpeg/simd/jimmxint.asm
rename : jpeg/simd/jimmxred.asm => media/libjpeg/simd/jimmxred.asm
rename : jpeg/simd/jiss2flt-64.asm => media/libjpeg/simd/jiss2flt-64.asm
rename : jpeg/simd/jiss2flt.asm => media/libjpeg/simd/jiss2flt.asm
rename : jpeg/simd/jiss2fst-64.asm => media/libjpeg/simd/jiss2fst-64.asm
rename : jpeg/simd/jiss2fst.asm => media/libjpeg/simd/jiss2fst.asm
rename : jpeg/simd/jiss2int-64.asm => media/libjpeg/simd/jiss2int-64.asm
rename : jpeg/simd/jiss2int.asm => media/libjpeg/simd/jiss2int.asm
rename : jpeg/simd/jiss2red-64.asm => media/libjpeg/simd/jiss2red-64.asm
rename : jpeg/simd/jiss2red.asm => media/libjpeg/simd/jiss2red.asm
rename : jpeg/simd/jisseflt.asm => media/libjpeg/simd/jisseflt.asm
rename : jpeg/simd/jsimd.h => media/libjpeg/simd/jsimd.h
rename : jpeg/simd/jsimd_i386.c => media/libjpeg/simd/jsimd_i386.c
rename : jpeg/simd/jsimd_x86_64.c => media/libjpeg/simd/jsimd_x86_64.c
rename : jpeg/simd/jsimdcfg.inc => media/libjpeg/simd/jsimdcfg.inc
rename : jpeg/simd/jsimdcfg.inc.h => media/libjpeg/simd/jsimdcfg.inc.h
rename : jpeg/simd/jsimdcpu.asm => media/libjpeg/simd/jsimdcpu.asm
rename : jpeg/simd/jsimdext.inc => media/libjpeg/simd/jsimdext.inc
rename : jpeg/transupp.h => media/libjpeg/transupp.h
2011-10-17 21:25:53 -07:00

623 lines
20 KiB
NASM
Raw Blame History

;
; jfss2int-64.asm - accurate integer FDCT (64-bit SSE2)
;
; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
; Copyright 2009 D. R. Commander
;
; Based on
; 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 slow-but-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.
;
; [TAB8]
%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 16
global EXTN(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 16
; --------------------------------------------------------------------------
SECTION SEG_TEXT
BITS 64
;
; Perform the forward DCT on one block of samples.
;
; GLOBAL(void)
; jsimd_fdct_islow_sse2 (DCTELEM * data)
;
; r10 = DCTELEM * data
%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
%define WK_NUM 6
align 16
global EXTN(jsimd_fdct_islow_sse2)
EXTN(jsimd_fdct_islow_sse2):
push rbp
mov rax,rsp ; rax = original rbp
sub rsp, byte 4
and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits
mov [rsp],rax
mov rbp,rsp ; rbp = aligned rbp
lea rsp, [wk(0)]
collect_args
; ---- Pass 1: process rows.
mov rdx, r10 ; (DCTELEM *)
movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)]
movdqa xmm1, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)]
movdqa xmm2, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)]
movdqa xmm3, XMMWORD [XMMBLOCK(3,0,rdx,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,rdx,SIZEOF_DCTELEM)]
movdqa xmm7, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)]
movdqa xmm1, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)]
movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rdx,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,[rel PW_F130_F054] ; xmm7=data2L
pmaddwd xmm6,[rel PW_F130_F054] ; xmm6=data2H
pmaddwd xmm4,[rel PW_F054_MF130] ; xmm4=data6L
pmaddwd xmm0,[rel PW_F054_MF130] ; xmm0=data6H
paddd xmm7,[rel PD_DESCALE_P1]
paddd xmm6,[rel PD_DESCALE_P1]
psrad xmm7,DESCALE_P1
psrad xmm6,DESCALE_P1
paddd xmm4,[rel PD_DESCALE_P1]
paddd xmm0,[rel 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,[rel PW_MF078_F117] ; xmm7=z3L
pmaddwd xmm4,[rel PW_MF078_F117] ; xmm4=z3H
pmaddwd xmm6,[rel PW_F117_F078] ; xmm6=z4L
pmaddwd xmm0,[rel 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,[rel PW_MF060_MF089] ; xmm7=tmp4L
pmaddwd xmm4,[rel PW_MF060_MF089] ; xmm4=tmp4H
pmaddwd xmm2,[rel PW_MF089_F060] ; xmm2=tmp7L
pmaddwd xmm1,[rel 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,[rel PD_DESCALE_P1]
paddd xmm4,[rel PD_DESCALE_P1]
psrad xmm7,DESCALE_P1
psrad xmm4,DESCALE_P1
paddd xmm2,[rel PD_DESCALE_P1]
paddd xmm1,[rel 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,[rel PW_MF050_MF256] ; xmm4=tmp5L
pmaddwd xmm1,[rel PW_MF050_MF256] ; xmm1=tmp5H
pmaddwd xmm5,[rel PW_MF256_F050] ; xmm5=tmp6L
pmaddwd xmm3,[rel 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,[rel PD_DESCALE_P1]
paddd xmm1,[rel PD_DESCALE_P1]
psrad xmm4,DESCALE_P1
psrad xmm1,DESCALE_P1
paddd xmm5,[rel PD_DESCALE_P1]
paddd xmm3,[rel 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.
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,[rel PW_DESCALE_P2X]
paddw xmm5,[rel PW_DESCALE_P2X]
psraw xmm7,PASS1_BITS ; xmm7=data0
psraw xmm5,PASS1_BITS ; xmm5=data4
movdqa XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)], xmm7
movdqa XMMWORD [XMMBLOCK(4,0,rdx,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,[rel PW_F130_F054] ; xmm4=data2L
pmaddwd xmm2,[rel PW_F130_F054] ; xmm2=data2H
pmaddwd xmm1,[rel PW_F054_MF130] ; xmm1=data6L
pmaddwd xmm6,[rel PW_F054_MF130] ; xmm6=data6H
paddd xmm4,[rel PD_DESCALE_P2]
paddd xmm2,[rel PD_DESCALE_P2]
psrad xmm4,DESCALE_P2
psrad xmm2,DESCALE_P2
paddd xmm1,[rel PD_DESCALE_P2]
paddd xmm6,[rel 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,rdx,SIZEOF_DCTELEM)], xmm4
movdqa XMMWORD [XMMBLOCK(6,0,rdx,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,[rel PW_MF078_F117] ; xmm4=z3L
pmaddwd xmm1,[rel PW_MF078_F117] ; xmm1=z3H
pmaddwd xmm2,[rel PW_F117_F078] ; xmm2=z4L
pmaddwd xmm6,[rel 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,[rel PW_MF060_MF089] ; xmm4=tmp4L
pmaddwd xmm1,[rel PW_MF060_MF089] ; xmm1=tmp4H
pmaddwd xmm0,[rel PW_MF089_F060] ; xmm0=tmp7L
pmaddwd xmm5,[rel 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,[rel PD_DESCALE_P2]
paddd xmm1,[rel PD_DESCALE_P2]
psrad xmm4,DESCALE_P2
psrad xmm1,DESCALE_P2
paddd xmm0,[rel PD_DESCALE_P2]
paddd xmm5,[rel 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,rdx,SIZEOF_DCTELEM)], xmm4
movdqa XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)], xmm0
movdqa xmm1,xmm3
movdqa xmm5,xmm3
punpcklwd xmm1,xmm7
punpckhwd xmm5,xmm7
movdqa xmm3,xmm1
movdqa xmm7,xmm5
pmaddwd xmm1,[rel PW_MF050_MF256] ; xmm1=tmp5L
pmaddwd xmm5,[rel PW_MF050_MF256] ; xmm5=tmp5H
pmaddwd xmm3,[rel PW_MF256_F050] ; xmm3=tmp6L
pmaddwd xmm7,[rel 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,[rel PD_DESCALE_P2]
paddd xmm5,[rel PD_DESCALE_P2]
psrad xmm1,DESCALE_P2
psrad xmm5,DESCALE_P2
paddd xmm3,[rel PD_DESCALE_P2]
paddd xmm7,[rel 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,rdx,SIZEOF_DCTELEM)], xmm1
movdqa XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)], xmm3
uncollect_args
mov rsp,rbp ; rsp <- aligned rbp
pop rsp ; rsp <- original rbp
pop rbp
ret
; For some reason, the OS X linker does not honor the request to align the
; segment unless we do this.
align 16
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