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			145 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
			
		
		
	
	
			145 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
| ;******************************************************************************
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| ;* SIMD-optimized JPEG2000 DSP functions
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| ;* Copyright (c) 2014 Nicolas Bertrand
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| ;* Copyright (c) 2015 James Almer
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| ;*
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| ;* This file is part of FFmpeg.
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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
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| ;* License along with FFmpeg; if not, write to the Free Software
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| ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| ;******************************************************************************
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| 
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| %include "libavutil/x86/x86util.asm"
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| 
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| SECTION_RODATA 32
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| 
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| pf_ict0: times 8 dd 1.402
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| pf_ict1: times 8 dd 0.34413
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| pf_ict2: times 8 dd 0.71414
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| pf_ict3: times 8 dd 1.772
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| 
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| SECTION .text
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| 
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| ;***********************************************************************
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| ; ff_ict_float_<opt>(float *src0, float *src1, float *src2, int csize)
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| ;***********************************************************************
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| %macro ICT_FLOAT 1
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| cglobal ict_float, 4, 4, %1, src0, src1, src2, csize
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|     shl  csized, 2
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|     add   src0q, csizeq
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|     add   src1q, csizeq
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|     add   src2q, csizeq
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|     neg  csizeq
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|     movaps   m6, [pf_ict0]
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|     movaps   m7, [pf_ict1]
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|     %define ICT0 m6
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|     %define ICT1 m7
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| 
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| %if ARCH_X86_64
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|     movaps   m8, [pf_ict2]
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|     %define ICT2 m8
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| %if cpuflag(avx)
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|     movaps   m3, [pf_ict3]
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|     %define ICT3 m3
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| %else
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|     movaps   m9, [pf_ict3]
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|     %define ICT3 m9
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| %endif
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| 
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| %else ; ARCH_X86_32
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|     %define ICT2 [pf_ict2]
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| %if cpuflag(avx)
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|     movaps   m3, [pf_ict3]
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|     %define ICT3 m3
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| %else
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|     %define ICT3 [pf_ict3]
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| %endif
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| 
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| %endif ; ARCH
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| 
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| align 16
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| .loop:
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|     movaps   m0, [src0q+csizeq]
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|     movaps   m1, [src1q+csizeq]
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|     movaps   m2, [src2q+csizeq]
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| 
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| %if cpuflag(avx)
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|     mulps    m5, m1, ICT1
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|     mulps    m4, m2, ICT0
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|     mulps    m1, m1, ICT3
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|     mulps    m2, m2, ICT2
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|     subps    m5, m0, m5
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| %else ; sse
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|     movaps   m3, m1
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|     movaps   m4, m2
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|     movaps   m5, m0
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|     mulps    m3, ICT1
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|     mulps    m4, ICT0
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|     mulps    m1, ICT3
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|     mulps    m2, ICT2
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|     subps    m5, m3
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| %endif
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|     addps    m4, m4, m0
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|     addps    m0, m0, m1
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|     subps    m5, m5, m2
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| 
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|     movaps   [src0q+csizeq], m4
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|     movaps   [src2q+csizeq], m0
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|     movaps   [src1q+csizeq], m5
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|     add  csizeq, mmsize
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|     jl .loop
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|     REP_RET
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| %endmacro
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| 
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| INIT_XMM sse
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| ICT_FLOAT 10
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| INIT_YMM avx
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| ICT_FLOAT 9
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| 
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| ;***************************************************************************
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| ; ff_rct_int_<opt>(int32_t *src0, int32_t *src1, int32_t *src2, int csize)
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| ;***************************************************************************
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| %macro RCT_INT 0
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| cglobal rct_int, 4, 4, 4, src0, src1, src2, csize
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|     shl  csized, 2
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|     add   src0q, csizeq
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|     add   src1q, csizeq
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|     add   src2q, csizeq
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|     neg  csizeq
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| 
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| align 16
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| .loop:
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|     mova   m1, [src1q+csizeq]
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|     mova   m2, [src2q+csizeq]
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|     mova   m0, [src0q+csizeq]
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|     paddd  m3, m1, m2
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|     psrad  m3, 2
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|     psubd  m0, m3
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|     paddd  m1, m0
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|     paddd  m2, m0
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|     mova   [src1q+csizeq], m0
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|     mova   [src2q+csizeq], m1
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|     mova   [src0q+csizeq], m2
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|     add  csizeq, mmsize
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|     jl .loop
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|     REP_RET
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| %endmacro
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| 
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| INIT_XMM sse2
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| RCT_INT
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| %if HAVE_AVX2_EXTERNAL
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| INIT_YMM avx2
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| RCT_INT
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| %endif
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