mirror of https://git.ffmpeg.org/ffmpeg.git
x86: xvid_idct: port SSE2 iDCT to yasm
The main difference consists in renaming properly labels, and letting yasm select the gprs for skipping 1D transforms. Previous-version-reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet
Michael Niedermayer
parent
8f8c31f4c7
commit
2999bd7da2
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@ -73,8 +73,7 @@ MMX-OBJS-$(CONFIG_FDCTDSP) += x86/fdct.o
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MMX-OBJS-$(CONFIG_IDCTDSP) += x86/simple_idct.o
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# decoders/encoders
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MMX-OBJS-$(CONFIG_MPEG4_DECODER) += x86/xvididct_mmx.o \
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x86/xvididct_sse2.o
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MMX-OBJS-$(CONFIG_MPEG4_DECODER) += x86/xvididct_mmx.o
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MMX-OBJS-$(CONFIG_SNOW_DECODER) += x86/snowdsp.o
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MMX-OBJS-$(CONFIG_SNOW_ENCODER) += x86/snowdsp.o
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MMX-OBJS-$(CONFIG_VC1_DECODER) += x86/vc1dsp_mmx.o
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@ -141,6 +140,7 @@ YASM-OBJS-$(CONFIG_HEVC_DECODER) += x86/hevc_mc.o \
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x86/hevc_res_add.o \
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x86/hevc_sao.o
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YASM-OBJS-$(CONFIG_MLP_DECODER) += x86/mlpdsp.o
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YASM-OBJS-$(CONFIG_MPEG4_DECODER) += x86/xvididct.o
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YASM-OBJS-$(CONFIG_PNG_DECODER) += x86/pngdsp.o
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YASM-OBJS-$(CONFIG_PRORES_DECODER) += x86/proresdsp.o
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YASM-OBJS-$(CONFIG_PRORES_LGPL_DECODER) += x86/proresdsp.o
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@ -67,9 +67,9 @@ static const struct algo idct_tab_arch[] = {
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#if HAVE_MMXEXT_INLINE
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{ "XVID-MMXEXT", ff_xvid_idct_mmxext, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMXEXT, 1 },
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#endif
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#if HAVE_SSE2_INLINE
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#if HAVE_SSE2_EXTERNAL
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{ "XVID-SSE2", ff_xvid_idct_sse2, FF_IDCT_PERM_SSE2, AV_CPU_FLAG_SSE2, 1 },
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#if ARCH_X86_64 && HAVE_YASM
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#if ARCH_X86_64
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{ "PR-SSE2", ff_prores_idct_put_10_sse2_wrap, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2, 1 },
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#endif
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#endif
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@ -0,0 +1,379 @@
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; XVID MPEG-4 VIDEO CODEC
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; - SSE2 inverse discrete cosine transform -
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;
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; Copyright(C) 2003 Pascal Massimino <skal@planet-d.net>
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;
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; Conversion to gcc syntax with modifications
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; by Alexander Strange <astrange@ithinksw.com>
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;
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; Originally from dct/x86_asm/fdct_sse2_skal.asm in Xvid.
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;
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; This file is part of FFmpeg.
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;
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; Vertical pass is an implementation of the scheme:
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; Loeffler C., Ligtenberg A., and Moschytz C.S.:
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; Practical Fast 1D DCT Algorithm with Eleven Multiplications,
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; Proc. ICASSP 1989, 988-991.
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;
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; Horizontal pass is a double 4x4 vector/matrix multiplication,
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; (see also Intel's Application Note 922:
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; http://developer.intel.com/vtune/cbts/strmsimd/922down.htm
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; Copyright (C) 1999 Intel Corporation)
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;
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; More details at http://skal.planet-d.net/coding/dct.html
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;
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; FFmpeg is free software; you can redistribute it and/or
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; modify it under the terms of the GNU Lesser General Public
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; License as published by the Free Software Foundation; either
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; version 2.1 of the License, or (at your option) any later version.
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;
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; FFmpeg is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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; Lesser General Public License for more details.
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;
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; You should have received a copy of the GNU Lesser General Public License
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; along with FFmpeg; if not, write to the Free Software Foundation,
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; Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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tan1: times 8 dw 13036
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tan2: times 8 dw 27146
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tan3: times 8 dw 43790
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sqrt2: times 8 dw 23170
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iTab1: dw 0x4000, 0x539f, 0xc000, 0xac61, 0x4000, 0xdd5d, 0x4000, 0xdd5d
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dw 0x4000, 0x22a3, 0x4000, 0x22a3, 0xc000, 0x539f, 0x4000, 0xac61
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dw 0x3249, 0x11a8, 0x4b42, 0xee58, 0x11a8, 0x4b42, 0x11a8, 0xcdb7
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dw 0x58c5, 0x4b42, 0xa73b, 0xcdb7, 0x3249, 0xa73b, 0x4b42, 0xa73b
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iTab2: dw 0x58c5, 0x73fc, 0xa73b, 0x8c04, 0x58c5, 0xcff5, 0x58c5, 0xcff5
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dw 0x58c5, 0x300b, 0x58c5, 0x300b, 0xa73b, 0x73fc, 0x58c5, 0x8c04
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dw 0x45bf, 0x187e, 0x6862, 0xe782, 0x187e, 0x6862, 0x187e, 0xba41
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dw 0x7b21, 0x6862, 0x84df, 0xba41, 0x45bf, 0x84df, 0x6862, 0x84df
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iTab3: dw 0x539f, 0x6d41, 0xac61, 0x92bf, 0x539f, 0xd2bf, 0x539f, 0xd2bf
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dw 0x539f, 0x2d41, 0x539f, 0x2d41, 0xac61, 0x6d41, 0x539f, 0x92bf
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dw 0x41b3, 0x1712, 0x6254, 0xe8ee, 0x1712, 0x6254, 0x1712, 0xbe4d
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dw 0x73fc, 0x6254, 0x8c04, 0xbe4d, 0x41b3, 0x8c04, 0x6254, 0x8c04
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iTab4: dw 0x4b42, 0x6254, 0xb4be, 0x9dac, 0x4b42, 0xd746, 0x4b42, 0xd746
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dw 0x4b42, 0x28ba, 0x4b42, 0x28ba, 0xb4be, 0x6254, 0x4b42, 0x9dac
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dw 0x3b21, 0x14c3, 0x587e, 0xeb3d, 0x14c3, 0x587e, 0x14c3, 0xc4df
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dw 0x6862, 0x587e, 0x979e, 0xc4df, 0x3b21, 0x979e, 0x587e, 0x979e
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walkenIdctRounders: times 4 dd 65536
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times 4 dd 3597
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times 4 dd 2260
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times 4 dd 1203
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times 4 dd 120
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times 4 dd 512
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pb_127: times 8 db 127
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SECTION .text
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; Temporary storage before the column pass
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%define ROW1 xmm6
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%define ROW3 xmm4
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%define ROW5 xmm5
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%define ROW7 xmm7
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%macro CLEAR_ODD 1
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pxor %1, %1
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%endmacro
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%macro PUT_ODD 1
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pshufhw %1, xmm2, 0x1B
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%endmacro
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%macro MOV32 2
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%if ARCH_X86_32
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movdqa %2, %1
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%endif
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%endmacro
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%macro CLEAR_EVEN 1
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%if ARCH_X86_64
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CLEAR_ODD %1
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%endif
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%endmacro
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%macro PUT_EVEN 1
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%if ARCH_X86_64
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PUT_ODD %1
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%else
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pshufhw xmm2, xmm2, 0x1B
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movdqa %1, xmm2
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%endif
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%endmacro
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%if ARCH_X86_64
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%define ROW0 xmm8
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%define REG0 ROW0
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%define ROW2 xmm9
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%define REG2 ROW2
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%define ROW4 xmm10
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%define REG4 ROW4
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%define ROW6 xmm11
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%define REG6 ROW6
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%define XMMS xmm12
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%define SREG2 REG2
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%define TAN3 xmm13
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%define TAN1 xmm14
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%else
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%define ROW0 [r0 + 0*16]
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%define REG0 xmm4
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%define ROW2 [r0 + 2*16]
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%define REG2 xmm4
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%define ROW4 [r0 + 4*16]
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%define REG4 xmm6
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%define ROW6 [r0 + 6*16]
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%define REG6 xmm6
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%define XMMS xmm2
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%define SREG2 xmm7
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%define TAN3 xmm0
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%define TAN1 xmm2
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%endif
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%macro JZ 2
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test %1, %1
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jz .%2
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%endmacro
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%macro JNZ 2
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test %1, %1
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jnz .%2
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%endmacro
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%macro TEST_ONE_ROW 4 ; src, reg, clear, arg
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%3 %4
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movq mm1, [%1]
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por mm1, [%1 + 8]
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paddusb mm1, mm0
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pmovmskb %2, mm1
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%endmacro
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;row1, row2, reg1, reg2, clear1, arg1, clear2, arg2
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%macro TEST_TWO_ROWS 8
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%5 %6
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%7 %8
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movq mm1, [%1 + 0]
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por mm1, [%1 + 8]
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movq mm2, [%2 + 0]
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por mm2, [%2 + 8]
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paddusb mm1, mm0
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paddusb mm2, mm0
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pmovmskb %3, mm1
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pmovmskb %4, mm2
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%endmacro
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; IDCT pass on rows.
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%macro iMTX_MULT 4-5 ; src, table, put, arg, rounder
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movdqa xmm3, [%1]
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movdqa xmm0, xmm3
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pshufd xmm1, xmm3, 0x11 ; 4602
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punpcklqdq xmm0, xmm0 ; 0246
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pmaddwd xmm0, [%2]
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pmaddwd xmm1, [%2+16]
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pshufd xmm2, xmm3, 0xBB ; 5713
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punpckhqdq xmm3, xmm3 ; 1357
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pmaddwd xmm2, [%2+32]
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pmaddwd xmm3, [%2+48]
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paddd xmm0, xmm1
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paddd xmm2, xmm3
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%if %0 == 5
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paddd xmm0, [walkenIdctRounders+%5]
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%endif
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movdqa xmm3, xmm2
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paddd xmm2, xmm0
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psubd xmm0, xmm3
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psrad xmm2, 11
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psrad xmm0, 11
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packssdw xmm2, xmm0
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%3 %4
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%endmacro
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%macro iLLM_HEAD 0
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movdqa TAN3, [tan3]
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movdqa TAN1, [tan1]
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%endmacro
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; IDCT pass on columns.
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%macro iLLM_PASS 1 ;dct
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movdqa xmm1, TAN3
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movdqa xmm3, TAN1
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pmulhw TAN3, xmm4
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pmulhw xmm1, xmm5
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paddsw TAN3, xmm4
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paddsw xmm1, xmm5
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psubsw TAN3, xmm5
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paddsw xmm1, xmm4
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pmulhw xmm3, xmm7
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pmulhw TAN1, xmm6
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paddsw xmm3, xmm6
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psubsw TAN1, xmm7
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movdqa xmm7, xmm3
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movdqa xmm6, TAN1
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psubsw xmm3, xmm1
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psubsw TAN1, TAN3
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paddsw xmm1, xmm7
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paddsw TAN3, xmm6
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movdqa xmm6, xmm3
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psubsw xmm3, TAN3
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paddsw TAN3, xmm6
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movdqa xmm4, [sqrt2]
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pmulhw xmm3, xmm4
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pmulhw TAN3, xmm4
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paddsw TAN3, TAN3
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paddsw xmm3, xmm3
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movdqa xmm7, [tan2]
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MOV32 ROW2, REG2
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MOV32 ROW6, REG6
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movdqa xmm5, xmm7
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pmulhw xmm7, REG6
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pmulhw xmm5, REG2
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paddsw xmm7, REG2
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psubsw xmm5, REG6
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MOV32 ROW0, REG0
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MOV32 ROW4, REG4
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MOV32 TAN1, [r0]
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movdqa XMMS, REG0
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psubsw REG0, REG4
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paddsw REG4, XMMS
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movdqa XMMS, REG4
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psubsw REG4, xmm7
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paddsw xmm7, XMMS
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movdqa XMMS, REG0
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psubsw REG0, xmm5
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paddsw xmm5, XMMS
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movdqa XMMS, xmm5
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psubsw xmm5, TAN3
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paddsw TAN3, XMMS
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movdqa XMMS, REG0
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psubsw REG0, xmm3
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paddsw xmm3, XMMS
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MOV32 [r0], TAN1
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psraw xmm5, 6
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psraw REG0, 6
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psraw TAN3, 6
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psraw xmm3, 6
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movdqa [%1+1*16], TAN3
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movdqa [%1+2*16], xmm3
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movdqa [%1+5*16], REG0
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movdqa [%1+6*16], xmm5
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movdqa xmm0, xmm7
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movdqa xmm4, REG4
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psubsw xmm7, xmm1
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psubsw REG4, TAN1
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paddsw xmm1, xmm0
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paddsw TAN1, xmm4
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psraw xmm1, 6
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psraw xmm7, 6
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psraw TAN1, 6
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psraw REG4, 6
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movdqa [%1+0*16], xmm1
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movdqa [%1+3*16], TAN1
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movdqa [%1+4*16], REG4
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movdqa [%1+7*16], xmm7
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%endmacro
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; IDCT pass on columns, assuming rows 4-7 are zero
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%macro iLLM_PASS_SPARSE 1 ;dct
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pmulhw TAN3, xmm4
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paddsw TAN3, xmm4
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movdqa xmm3, xmm6
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pmulhw TAN1, xmm6
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movdqa xmm1, xmm4
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psubsw xmm3, xmm1
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paddsw xmm1, xmm6
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movdqa xmm6, TAN1
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psubsw TAN1, TAN3
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paddsw TAN3, xmm6
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movdqa xmm6, xmm3
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psubsw xmm3, TAN3
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paddsw TAN3, xmm6
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movdqa xmm4, [sqrt2]
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pmulhw xmm3, xmm4
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pmulhw TAN3, xmm4
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paddsw TAN3, TAN3
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paddsw xmm3, xmm3
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movdqa xmm5, [tan2]
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MOV32 ROW2, SREG2
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pmulhw xmm5, SREG2
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MOV32 ROW0, REG0
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movdqa xmm6, REG0
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psubsw xmm6, SREG2
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paddsw SREG2, REG0
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MOV32 TAN1, [r0]
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movdqa XMMS, REG0
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psubsw REG0, xmm5
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paddsw xmm5, XMMS
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movdqa XMMS, xmm5
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psubsw xmm5, TAN3
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paddsw TAN3, XMMS
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movdqa XMMS, REG0
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psubsw REG0, xmm3
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paddsw xmm3, XMMS
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MOV32 [r0], TAN1
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psraw xmm5, 6
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psraw REG0, 6
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psraw TAN3, 6
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psraw xmm3, 6
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movdqa [%1+1*16], TAN3
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movdqa [%1+2*16], xmm3
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movdqa [%1+5*16], REG0
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movdqa [%1+6*16], xmm5
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movdqa xmm0, SREG2
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movdqa xmm4, xmm6
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psubsw SREG2, xmm1
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psubsw xmm6, TAN1
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paddsw xmm1, xmm0
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paddsw TAN1, xmm4
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psraw xmm1, 6
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psraw SREG2, 6
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psraw TAN1, 6
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psraw xmm6, 6
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movdqa [%1+0*16], xmm1
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movdqa [%1+3*16], TAN1
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movdqa [%1+4*16], xmm6
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movdqa [%1+7*16], SREG2
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%endmacro
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INIT_XMM sse2
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cglobal xvid_idct, 1, 5, 8+7*ARCH_X86_64, block
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movq mm0, [pb_127]
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iMTX_MULT r0 + 0*16, iTab1, PUT_EVEN, ROW0, 0*16
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iMTX_MULT r0 + 1*16, iTab2, PUT_ODD, ROW1, 1*16
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iMTX_MULT r0 + 2*16, iTab3, PUT_EVEN, ROW2, 2*16
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TEST_TWO_ROWS r0 + 3*16, r0 + 4*16, r1d, r2d, CLEAR_ODD, ROW3, CLEAR_EVEN, ROW4 ; a, c
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JZ r1d, col1
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iMTX_MULT r0 + 3*16, iTab4, PUT_ODD, ROW3, 3*16
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.col1:
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TEST_TWO_ROWS r0 + 5*16, r0 + 6*16, r1d, r3d, CLEAR_ODD, ROW5, CLEAR_EVEN, ROW6 ; a, d
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TEST_ONE_ROW r0 + 7*16, r4d, CLEAR_ODD, ROW7 ; esi
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iLLM_HEAD
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JNZ r2d, 2
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JNZ r1d, 3
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JNZ r3d, 4
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JNZ r4d, 5
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iLLM_PASS_SPARSE r0
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jmp .6
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.2:
|
||||
iMTX_MULT r0 + 4*16, iTab1, PUT_EVEN, ROW4
|
||||
.3:
|
||||
iMTX_MULT r0 + 5*16, iTab4, PUT_ODD, ROW5, 4*16
|
||||
JZ r3d, col2
|
||||
.4:
|
||||
iMTX_MULT r0 + 6*16, iTab3, PUT_EVEN, ROW6, 5*16
|
||||
.col2:
|
||||
JZ r4d, col3
|
||||
.5:
|
||||
iMTX_MULT r0 + 7*16, iTab2, PUT_ODD, ROW7, 5*16
|
||||
.col3:
|
||||
%if ARCH_X86_32
|
||||
iLLM_HEAD
|
||||
%endif
|
||||
iLLM_PASS r0
|
||||
.6:
|
||||
RET
|
||||
|
|
@ -26,6 +26,18 @@
|
|||
#include "idctdsp.h"
|
||||
#include "xvididct.h"
|
||||
|
||||
static void xvid_idct_sse2_put(uint8_t *dest, int line_size, short *block)
|
||||
{
|
||||
ff_xvid_idct_sse2(block);
|
||||
ff_put_pixels_clamped(block, dest, line_size);
|
||||
}
|
||||
|
||||
static void xvid_idct_sse2_add(uint8_t *dest, int line_size, short *block)
|
||||
{
|
||||
ff_xvid_idct_sse2(block);
|
||||
ff_add_pixels_clamped(block, dest, line_size);
|
||||
}
|
||||
|
||||
av_cold void ff_xvid_idct_init_x86(IDCTDSPContext *c, AVCodecContext *avctx,
|
||||
unsigned high_bit_depth)
|
||||
{
|
||||
|
|
@ -50,9 +62,9 @@ av_cold void ff_xvid_idct_init_x86(IDCTDSPContext *c, AVCodecContext *avctx,
|
|||
c->perm_type = FF_IDCT_PERM_NONE;
|
||||
}
|
||||
|
||||
if (INLINE_SSE2(cpu_flags)) {
|
||||
c->idct_put = ff_xvid_idct_sse2_put;
|
||||
c->idct_add = ff_xvid_idct_sse2_add;
|
||||
if (EXTERNAL_SSE2(cpu_flags)) {
|
||||
c->idct_put = xvid_idct_sse2_put;
|
||||
c->idct_add = xvid_idct_sse2_add;
|
||||
c->idct = ff_xvid_idct_sse2;
|
||||
c->perm_type = FF_IDCT_PERM_SSE2;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,406 +0,0 @@
|
|||
/*
|
||||
* XVID MPEG-4 VIDEO CODEC
|
||||
* - SSE2 inverse discrete cosine transform -
|
||||
*
|
||||
* Copyright(C) 2003 Pascal Massimino <skal@planet-d.net>
|
||||
*
|
||||
* Conversion to gcc syntax with modifications
|
||||
* by Alexander Strange <astrange@ithinksw.com>
|
||||
*
|
||||
* Originally from dct/x86_asm/fdct_sse2_skal.asm in Xvid.
|
||||
*
|
||||
* This file is part of FFmpeg.
|
||||
*
|
||||
* Vertical pass is an implementation of the scheme:
|
||||
* Loeffler C., Ligtenberg A., and Moschytz C.S.:
|
||||
* Practical Fast 1D DCT Algorithm with Eleven Multiplications,
|
||||
* Proc. ICASSP 1989, 988-991.
|
||||
*
|
||||
* Horizontal pass is a double 4x4 vector/matrix multiplication,
|
||||
* (see also Intel's Application Note 922:
|
||||
* http://developer.intel.com/vtune/cbts/strmsimd/922down.htm
|
||||
* Copyright (C) 1999 Intel Corporation)
|
||||
*
|
||||
* More details at http://skal.planet-d.net/coding/dct.html
|
||||
*
|
||||
* FFmpeg is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* FFmpeg is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with FFmpeg; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include "libavutil/mem.h"
|
||||
#include "libavutil/x86/asm.h"
|
||||
|
||||
#include "libavcodec/idctdsp.h"
|
||||
|
||||
#include "idctdsp.h"
|
||||
#include "xvididct.h"
|
||||
|
||||
#if HAVE_SSE2_INLINE
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @brief SSE2 IDCT compatible with the Xvid IDCT
|
||||
*/
|
||||
|
||||
#define X8(x) x, x, x, x, x, x, x, x
|
||||
|
||||
DECLARE_ASM_CONST(16, int16_t, tan1)[] = { X8(13036) }; // tan( pi/16)
|
||||
DECLARE_ASM_CONST(16, int16_t, tan2)[] = { X8(27146) }; // tan(2pi/16) = sqrt(2)-1
|
||||
DECLARE_ASM_CONST(16, int16_t, tan3)[] = { X8(43790) }; // tan(3pi/16)-1
|
||||
DECLARE_ASM_CONST(16, int16_t, sqrt2)[] = { X8(23170) }; // 0.5/sqrt(2)
|
||||
DECLARE_ASM_CONST(8, uint8_t, m127)[] = { X8(127) };
|
||||
|
||||
DECLARE_ASM_CONST(16, int16_t, iTab1)[] = {
|
||||
0x4000, 0x539f, 0xc000, 0xac61, 0x4000, 0xdd5d, 0x4000, 0xdd5d,
|
||||
0x4000, 0x22a3, 0x4000, 0x22a3, 0xc000, 0x539f, 0x4000, 0xac61,
|
||||
0x3249, 0x11a8, 0x4b42, 0xee58, 0x11a8, 0x4b42, 0x11a8, 0xcdb7,
|
||||
0x58c5, 0x4b42, 0xa73b, 0xcdb7, 0x3249, 0xa73b, 0x4b42, 0xa73b
|
||||
};
|
||||
|
||||
DECLARE_ASM_CONST(16, int16_t, iTab2)[] = {
|
||||
0x58c5, 0x73fc, 0xa73b, 0x8c04, 0x58c5, 0xcff5, 0x58c5, 0xcff5,
|
||||
0x58c5, 0x300b, 0x58c5, 0x300b, 0xa73b, 0x73fc, 0x58c5, 0x8c04,
|
||||
0x45bf, 0x187e, 0x6862, 0xe782, 0x187e, 0x6862, 0x187e, 0xba41,
|
||||
0x7b21, 0x6862, 0x84df, 0xba41, 0x45bf, 0x84df, 0x6862, 0x84df
|
||||
};
|
||||
|
||||
DECLARE_ASM_CONST(16, int16_t, iTab3)[] = {
|
||||
0x539f, 0x6d41, 0xac61, 0x92bf, 0x539f, 0xd2bf, 0x539f, 0xd2bf,
|
||||
0x539f, 0x2d41, 0x539f, 0x2d41, 0xac61, 0x6d41, 0x539f, 0x92bf,
|
||||
0x41b3, 0x1712, 0x6254, 0xe8ee, 0x1712, 0x6254, 0x1712, 0xbe4d,
|
||||
0x73fc, 0x6254, 0x8c04, 0xbe4d, 0x41b3, 0x8c04, 0x6254, 0x8c04
|
||||
};
|
||||
|
||||
DECLARE_ASM_CONST(16, int16_t, iTab4)[] = {
|
||||
0x4b42, 0x6254, 0xb4be, 0x9dac, 0x4b42, 0xd746, 0x4b42, 0xd746,
|
||||
0x4b42, 0x28ba, 0x4b42, 0x28ba, 0xb4be, 0x6254, 0x4b42, 0x9dac,
|
||||
0x3b21, 0x14c3, 0x587e, 0xeb3d, 0x14c3, 0x587e, 0x14c3, 0xc4df,
|
||||
0x6862, 0x587e, 0x979e, 0xc4df, 0x3b21, 0x979e, 0x587e, 0x979e
|
||||
};
|
||||
|
||||
DECLARE_ASM_CONST(16, int32_t, walkenIdctRounders)[] = {
|
||||
65536, 65536, 65536, 65536,
|
||||
3597, 3597, 3597, 3597,
|
||||
2260, 2260, 2260, 2260,
|
||||
1203, 1203, 1203, 1203,
|
||||
120, 120, 120, 120,
|
||||
512, 512, 512, 512
|
||||
};
|
||||
|
||||
// Temporary storage before the column pass
|
||||
#define ROW1 "%%xmm6"
|
||||
#define ROW3 "%%xmm4"
|
||||
#define ROW5 "%%xmm5"
|
||||
#define ROW7 "%%xmm7"
|
||||
|
||||
#define CLEAR_ODD(r) "pxor "r","r" \n\t"
|
||||
#define PUT_ODD(dst) "pshufhw $0x1B, %%xmm2, "dst" \n\t"
|
||||
|
||||
#if ARCH_X86_64
|
||||
|
||||
# define ROW0 "%%xmm8"
|
||||
# define REG0 ROW0
|
||||
# define ROW2 "%%xmm9"
|
||||
# define REG2 ROW2
|
||||
# define ROW4 "%%xmm10"
|
||||
# define REG4 ROW4
|
||||
# define ROW6 "%%xmm11"
|
||||
# define REG6 ROW6
|
||||
# define CLEAR_EVEN(r) CLEAR_ODD(r)
|
||||
# define PUT_EVEN(dst) PUT_ODD(dst)
|
||||
# define XMMS "%%xmm12"
|
||||
# define MOV_32_ONLY "#"
|
||||
# define SREG2 REG2
|
||||
# define TAN3 "%%xmm13"
|
||||
# define TAN1 "%%xmm14"
|
||||
|
||||
#else
|
||||
|
||||
# define ROW0 "(%0)"
|
||||
# define REG0 "%%xmm4"
|
||||
# define ROW2 "2*16(%0)"
|
||||
# define REG2 "%%xmm4"
|
||||
# define ROW4 "4*16(%0)"
|
||||
# define REG4 "%%xmm6"
|
||||
# define ROW6 "6*16(%0)"
|
||||
# define REG6 "%%xmm6"
|
||||
# define CLEAR_EVEN(r)
|
||||
# define PUT_EVEN(dst) \
|
||||
"pshufhw $0x1B, %%xmm2, %%xmm2 \n\t" \
|
||||
"movdqa %%xmm2, "dst" \n\t"
|
||||
# define XMMS "%%xmm2"
|
||||
# define MOV_32_ONLY "movdqa "
|
||||
# define SREG2 "%%xmm7"
|
||||
# define TAN3 "%%xmm0"
|
||||
# define TAN1 "%%xmm2"
|
||||
|
||||
#endif
|
||||
|
||||
#define ROUND(x) "paddd "x
|
||||
|
||||
#define JZ(reg, to) \
|
||||
"testl "reg","reg" \n\t" \
|
||||
"jz "to" \n\t"
|
||||
|
||||
#define JNZ(reg, to) \
|
||||
"testl "reg","reg" \n\t" \
|
||||
"jnz "to" \n\t"
|
||||
|
||||
#define TEST_ONE_ROW(src, reg, clear) \
|
||||
clear \
|
||||
"movq "src", %%mm1 \n\t" \
|
||||
"por 8+"src", %%mm1 \n\t" \
|
||||
"paddusb %%mm0, %%mm1 \n\t" \
|
||||
"pmovmskb %%mm1, "reg" \n\t"
|
||||
|
||||
#define TEST_TWO_ROWS(row1, row2, reg1, reg2, clear1, clear2) \
|
||||
clear1 \
|
||||
clear2 \
|
||||
"movq "row1", %%mm1 \n\t" \
|
||||
"por 8+"row1", %%mm1 \n\t" \
|
||||
"movq "row2", %%mm2 \n\t" \
|
||||
"por 8+"row2", %%mm2 \n\t" \
|
||||
"paddusb %%mm0, %%mm1 \n\t" \
|
||||
"paddusb %%mm0, %%mm2 \n\t" \
|
||||
"pmovmskb %%mm1, "reg1" \n\t" \
|
||||
"pmovmskb %%mm2, "reg2" \n\t"
|
||||
|
||||
/// IDCT pass on rows.
|
||||
#define iMTX_MULT(src, table, rounder, put) \
|
||||
"movdqa "src", %%xmm3 \n\t" \
|
||||
"movdqa %%xmm3, %%xmm0 \n\t" \
|
||||
"pshufd $0x11, %%xmm3, %%xmm1 \n\t" /* 4602 */ \
|
||||
"punpcklqdq %%xmm0, %%xmm0 \n\t" /* 0246 */ \
|
||||
"pmaddwd "table", %%xmm0 \n\t" \
|
||||
"pmaddwd 16+"table", %%xmm1 \n\t" \
|
||||
"pshufd $0xBB, %%xmm3, %%xmm2 \n\t" /* 5713 */ \
|
||||
"punpckhqdq %%xmm3, %%xmm3 \n\t" /* 1357 */ \
|
||||
"pmaddwd 32+"table", %%xmm2 \n\t" \
|
||||
"pmaddwd 48+"table", %%xmm3 \n\t" \
|
||||
"paddd %%xmm1, %%xmm0 \n\t" \
|
||||
"paddd %%xmm3, %%xmm2 \n\t" \
|
||||
rounder", %%xmm0 \n\t" \
|
||||
"movdqa %%xmm2, %%xmm3 \n\t" \
|
||||
"paddd %%xmm0, %%xmm2 \n\t" \
|
||||
"psubd %%xmm3, %%xmm0 \n\t" \
|
||||
"psrad $11, %%xmm2 \n\t" \
|
||||
"psrad $11, %%xmm0 \n\t" \
|
||||
"packssdw %%xmm0, %%xmm2 \n\t" \
|
||||
put \
|
||||
"1: \n\t"
|
||||
|
||||
#define iLLM_HEAD \
|
||||
"movdqa "MANGLE(tan3)", "TAN3" \n\t" \
|
||||
"movdqa "MANGLE(tan1)", "TAN1" \n\t" \
|
||||
|
||||
/// IDCT pass on columns.
|
||||
#define iLLM_PASS(dct) \
|
||||
"movdqa "TAN3", %%xmm1 \n\t" \
|
||||
"movdqa "TAN1", %%xmm3 \n\t" \
|
||||
"pmulhw %%xmm4, "TAN3" \n\t" \
|
||||
"pmulhw %%xmm5, %%xmm1 \n\t" \
|
||||
"paddsw %%xmm4, "TAN3" \n\t" \
|
||||
"paddsw %%xmm5, %%xmm1 \n\t" \
|
||||
"psubsw %%xmm5, "TAN3" \n\t" \
|
||||
"paddsw %%xmm4, %%xmm1 \n\t" \
|
||||
"pmulhw %%xmm7, %%xmm3 \n\t" \
|
||||
"pmulhw %%xmm6, "TAN1" \n\t" \
|
||||
"paddsw %%xmm6, %%xmm3 \n\t" \
|
||||
"psubsw %%xmm7, "TAN1" \n\t" \
|
||||
"movdqa %%xmm3, %%xmm7 \n\t" \
|
||||
"movdqa "TAN1", %%xmm6 \n\t" \
|
||||
"psubsw %%xmm1, %%xmm3 \n\t" \
|
||||
"psubsw "TAN3", "TAN1" \n\t" \
|
||||
"paddsw %%xmm7, %%xmm1 \n\t" \
|
||||
"paddsw %%xmm6, "TAN3" \n\t" \
|
||||
"movdqa %%xmm3, %%xmm6 \n\t" \
|
||||
"psubsw "TAN3", %%xmm3 \n\t" \
|
||||
"paddsw %%xmm6, "TAN3" \n\t" \
|
||||
"movdqa "MANGLE(sqrt2)", %%xmm4 \n\t" \
|
||||
"pmulhw %%xmm4, %%xmm3 \n\t" \
|
||||
"pmulhw %%xmm4, "TAN3" \n\t" \
|
||||
"paddsw "TAN3", "TAN3" \n\t" \
|
||||
"paddsw %%xmm3, %%xmm3 \n\t" \
|
||||
"movdqa "MANGLE(tan2)", %%xmm7 \n\t" \
|
||||
MOV_32_ONLY ROW2", "REG2" \n\t" \
|
||||
MOV_32_ONLY ROW6", "REG6" \n\t" \
|
||||
"movdqa %%xmm7, %%xmm5 \n\t" \
|
||||
"pmulhw "REG6", %%xmm7 \n\t" \
|
||||
"pmulhw "REG2", %%xmm5 \n\t" \
|
||||
"paddsw "REG2", %%xmm7 \n\t" \
|
||||
"psubsw "REG6", %%xmm5 \n\t" \
|
||||
MOV_32_ONLY ROW0", "REG0" \n\t" \
|
||||
MOV_32_ONLY ROW4", "REG4" \n\t" \
|
||||
MOV_32_ONLY" "TAN1", (%0) \n\t" \
|
||||
"movdqa "REG0", "XMMS" \n\t" \
|
||||
"psubsw "REG4", "REG0" \n\t" \
|
||||
"paddsw "XMMS", "REG4" \n\t" \
|
||||
"movdqa "REG4", "XMMS" \n\t" \
|
||||
"psubsw %%xmm7, "REG4" \n\t" \
|
||||
"paddsw "XMMS", %%xmm7 \n\t" \
|
||||
"movdqa "REG0", "XMMS" \n\t" \
|
||||
"psubsw %%xmm5, "REG0" \n\t" \
|
||||
"paddsw "XMMS", %%xmm5 \n\t" \
|
||||
"movdqa %%xmm5, "XMMS" \n\t" \
|
||||
"psubsw "TAN3", %%xmm5 \n\t" \
|
||||
"paddsw "XMMS", "TAN3" \n\t" \
|
||||
"movdqa "REG0", "XMMS" \n\t" \
|
||||
"psubsw %%xmm3, "REG0" \n\t" \
|
||||
"paddsw "XMMS", %%xmm3 \n\t" \
|
||||
MOV_32_ONLY" (%0), "TAN1" \n\t" \
|
||||
"psraw $6, %%xmm5 \n\t" \
|
||||
"psraw $6, "REG0" \n\t" \
|
||||
"psraw $6, "TAN3" \n\t" \
|
||||
"psraw $6, %%xmm3 \n\t" \
|
||||
"movdqa "TAN3", 1*16("dct") \n\t" \
|
||||
"movdqa %%xmm3, 2*16("dct") \n\t" \
|
||||
"movdqa "REG0", 5*16("dct") \n\t" \
|
||||
"movdqa %%xmm5, 6*16("dct") \n\t" \
|
||||
"movdqa %%xmm7, %%xmm0 \n\t" \
|
||||
"movdqa "REG4", %%xmm4 \n\t" \
|
||||
"psubsw %%xmm1, %%xmm7 \n\t" \
|
||||
"psubsw "TAN1", "REG4" \n\t" \
|
||||
"paddsw %%xmm0, %%xmm1 \n\t" \
|
||||
"paddsw %%xmm4, "TAN1" \n\t" \
|
||||
"psraw $6, %%xmm1 \n\t" \
|
||||
"psraw $6, %%xmm7 \n\t" \
|
||||
"psraw $6, "TAN1" \n\t" \
|
||||
"psraw $6, "REG4" \n\t" \
|
||||
"movdqa %%xmm1, ("dct") \n\t" \
|
||||
"movdqa "TAN1", 3*16("dct") \n\t" \
|
||||
"movdqa "REG4", 4*16("dct") \n\t" \
|
||||
"movdqa %%xmm7, 7*16("dct") \n\t"
|
||||
|
||||
/// IDCT pass on columns, assuming rows 4-7 are zero.
|
||||
#define iLLM_PASS_SPARSE(dct) \
|
||||
"pmulhw %%xmm4, "TAN3" \n\t" \
|
||||
"paddsw %%xmm4, "TAN3" \n\t" \
|
||||
"movdqa %%xmm6, %%xmm3 \n\t" \
|
||||
"pmulhw %%xmm6, "TAN1" \n\t" \
|
||||
"movdqa %%xmm4, %%xmm1 \n\t" \
|
||||
"psubsw %%xmm1, %%xmm3 \n\t" \
|
||||
"paddsw %%xmm6, %%xmm1 \n\t" \
|
||||
"movdqa "TAN1", %%xmm6 \n\t" \
|
||||
"psubsw "TAN3", "TAN1" \n\t" \
|
||||
"paddsw %%xmm6, "TAN3" \n\t" \
|
||||
"movdqa %%xmm3, %%xmm6 \n\t" \
|
||||
"psubsw "TAN3", %%xmm3 \n\t" \
|
||||
"paddsw %%xmm6, "TAN3" \n\t" \
|
||||
"movdqa "MANGLE(sqrt2)", %%xmm4 \n\t" \
|
||||
"pmulhw %%xmm4, %%xmm3 \n\t" \
|
||||
"pmulhw %%xmm4, "TAN3" \n\t" \
|
||||
"paddsw "TAN3", "TAN3" \n\t" \
|
||||
"paddsw %%xmm3, %%xmm3 \n\t" \
|
||||
"movdqa "MANGLE(tan2)", %%xmm5 \n\t" \
|
||||
MOV_32_ONLY ROW2", "SREG2" \n\t" \
|
||||
"pmulhw "SREG2", %%xmm5 \n\t" \
|
||||
MOV_32_ONLY ROW0", "REG0" \n\t" \
|
||||
"movdqa "REG0", %%xmm6 \n\t" \
|
||||
"psubsw "SREG2", %%xmm6 \n\t" \
|
||||
"paddsw "REG0", "SREG2" \n\t" \
|
||||
MOV_32_ONLY" "TAN1", (%0) \n\t" \
|
||||
"movdqa "REG0", "XMMS" \n\t" \
|
||||
"psubsw %%xmm5, "REG0" \n\t" \
|
||||
"paddsw "XMMS", %%xmm5 \n\t" \
|
||||
"movdqa %%xmm5, "XMMS" \n\t" \
|
||||
"psubsw "TAN3", %%xmm5 \n\t" \
|
||||
"paddsw "XMMS", "TAN3" \n\t" \
|
||||
"movdqa "REG0", "XMMS" \n\t" \
|
||||
"psubsw %%xmm3, "REG0" \n\t" \
|
||||
"paddsw "XMMS", %%xmm3 \n\t" \
|
||||
MOV_32_ONLY" (%0), "TAN1" \n\t" \
|
||||
"psraw $6, %%xmm5 \n\t" \
|
||||
"psraw $6, "REG0" \n\t" \
|
||||
"psraw $6, "TAN3" \n\t" \
|
||||
"psraw $6, %%xmm3 \n\t" \
|
||||
"movdqa "TAN3", 1*16("dct") \n\t" \
|
||||
"movdqa %%xmm3, 2*16("dct") \n\t" \
|
||||
"movdqa "REG0", 5*16("dct") \n\t" \
|
||||
"movdqa %%xmm5, 6*16("dct") \n\t" \
|
||||
"movdqa "SREG2", %%xmm0 \n\t" \
|
||||
"movdqa %%xmm6, %%xmm4 \n\t" \
|
||||
"psubsw %%xmm1, "SREG2" \n\t" \
|
||||
"psubsw "TAN1", %%xmm6 \n\t" \
|
||||
"paddsw %%xmm0, %%xmm1 \n\t" \
|
||||
"paddsw %%xmm4, "TAN1" \n\t" \
|
||||
"psraw $6, %%xmm1 \n\t" \
|
||||
"psraw $6, "SREG2" \n\t" \
|
||||
"psraw $6, "TAN1" \n\t" \
|
||||
"psraw $6, %%xmm6 \n\t" \
|
||||
"movdqa %%xmm1, ("dct") \n\t" \
|
||||
"movdqa "TAN1", 3*16("dct") \n\t" \
|
||||
"movdqa %%xmm6, 4*16("dct") \n\t" \
|
||||
"movdqa "SREG2", 7*16("dct") \n\t"
|
||||
|
||||
av_extern_inline void ff_xvid_idct_sse2(short *block)
|
||||
{
|
||||
__asm__ volatile (
|
||||
"movq "MANGLE (m127) ", %%mm0 \n\t"
|
||||
iMTX_MULT("(%0)", MANGLE(iTab1), ROUND(MANGLE(walkenIdctRounders)), PUT_EVEN(ROW0))
|
||||
iMTX_MULT("1*16(%0)", MANGLE(iTab2), ROUND("1*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW1))
|
||||
iMTX_MULT("2*16(%0)", MANGLE(iTab3), ROUND("2*16+"MANGLE(walkenIdctRounders)), PUT_EVEN(ROW2))
|
||||
|
||||
TEST_TWO_ROWS("3*16(%0)", "4*16(%0)", "%%eax", "%%ecx", CLEAR_ODD(ROW3), CLEAR_EVEN(ROW4))
|
||||
JZ("%%eax", "1f")
|
||||
iMTX_MULT("3*16(%0)", MANGLE(iTab4), ROUND("3*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW3))
|
||||
|
||||
TEST_TWO_ROWS("5*16(%0)", "6*16(%0)", "%%eax", "%%edx", CLEAR_ODD(ROW5), CLEAR_EVEN(ROW6))
|
||||
TEST_ONE_ROW("7*16(%0)", "%%esi", CLEAR_ODD(ROW7))
|
||||
iLLM_HEAD
|
||||
".p2align 4 \n\t"
|
||||
JNZ("%%ecx", "2f")
|
||||
JNZ("%%eax", "3f")
|
||||
JNZ("%%edx", "4f")
|
||||
JNZ("%%esi", "5f")
|
||||
iLLM_PASS_SPARSE("%0")
|
||||
"jmp 6f \n\t"
|
||||
"2: \n\t"
|
||||
iMTX_MULT("4*16(%0)", MANGLE(iTab1), "#", PUT_EVEN(ROW4))
|
||||
"3: \n\t"
|
||||
iMTX_MULT("5*16(%0)", MANGLE(iTab4), ROUND("4*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW5))
|
||||
JZ("%%edx", "1f")
|
||||
"4: \n\t"
|
||||
iMTX_MULT("6*16(%0)", MANGLE(iTab3), ROUND("5*16+"MANGLE(walkenIdctRounders)), PUT_EVEN(ROW6))
|
||||
JZ("%%esi", "1f")
|
||||
"5: \n\t"
|
||||
iMTX_MULT("7*16(%0)", MANGLE(iTab2), ROUND("5*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW7))
|
||||
#if ARCH_X86_32
|
||||
iLLM_HEAD
|
||||
#endif
|
||||
iLLM_PASS("%0")
|
||||
"6: \n\t"
|
||||
: "+r" (block)
|
||||
: NAMED_CONSTRAINTS_ARRAY(m127,iTab1,walkenIdctRounders,iTab2,iTab3,iTab4,tan3,tan1,tan2,sqrt2)
|
||||
: XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3",
|
||||
"%xmm4", "%xmm5", "%xmm6", "%xmm7", )
|
||||
#if ARCH_X86_64
|
||||
XMM_CLOBBERS("%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||
"%xmm12", "%xmm13", "%xmm14", )
|
||||
#endif
|
||||
"%eax", "%ecx", "%edx", "%esi", "memory");
|
||||
}
|
||||
|
||||
void ff_xvid_idct_sse2_put(uint8_t *dest, int line_size, short *block)
|
||||
{
|
||||
ff_xvid_idct_sse2(block);
|
||||
ff_put_pixels_clamped(block, dest, line_size);
|
||||
}
|
||||
|
||||
void ff_xvid_idct_sse2_add(uint8_t *dest, int line_size, short *block)
|
||||
{
|
||||
ff_xvid_idct_sse2(block);
|
||||
ff_add_pixels_clamped(block, dest, line_size);
|
||||
}
|
||||
|
||||
#endif /* HAVE_SSE2_INLINE */
|
||||
Loading…
Reference in New Issue