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155 lines
3.6 KiB
NASM
155 lines
3.6 KiB
NASM
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;*****************************************************************************
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;* SIMD-optimized MPEG encoding functions
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;*****************************************************************************
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;* Copyright (c) 2000, 2001 Fabrice Bellard
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;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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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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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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cextern pw_1
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SECTION .text
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; int ff_pix_sum16_mmx(uint8_t *pix, int line_size)
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; %1 = number of loops
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; %2 = number of GPRs used
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%macro PIX_SUM16 3
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cglobal pix_sum16, 2, %2, 6
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movsxdifnidn r1, r1d
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mov r2, %1
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%if mmsize == 16
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lea r3, [r1*3]
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%endif
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%if notcpuflag(xop)
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pxor m5, m5
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%endif
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pxor m4, m4
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.loop:
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%if cpuflag(xop)
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vphaddubq m0, [r0]
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vphaddubq m1, [r0+r1]
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vphaddubq m2, [r0+r1*2]
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vphaddubq m3, [r0+r3]
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%else
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mova m0, [r0]
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%if mmsize == 8
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mova m1, [r0+8]
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%if cpuflag(mmxext)
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mova m2, [r0+r1]
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mova m3, [r0+r1+8]
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%endif
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%else ; sse2
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mova m1, [r0+r1]
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mova m2, [r0+r1*2]
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mova m3, [r0+r3]
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%endif
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%if cpuflag(mmxext)
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psadbw m0, m5
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psadbw m1, m5
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psadbw m2, m5
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psadbw m3, m5
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%else ; mmx
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punpckhbw m2, m0, m5
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punpcklbw m0, m5
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punpckhbw m3, m1, m5
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punpcklbw m1, m5
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%endif ; cpuflag(mmxext)
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%endif ; cpuflag(xop)
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paddw m1, m0
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paddw m3, m2
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paddw m3, m1
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paddw m4, m3
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%if cpuflag(mmxext)
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lea r0, [r0+r1*%3]
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%else
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add r0, r1
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%endif
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dec r2
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jne .loop
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%if mmsize == 16
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pshufd m0, m4, q0032
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paddd m4, m0
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%elif notcpuflag(mmxext)
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HADDW m4, m5
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%endif
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movd eax, m4
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RET
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%endmacro
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%if ARCH_X86_32
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INIT_MMX mmx
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PIX_SUM16 16, 3, 0
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INIT_MMX mmxext
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PIX_SUM16 8, 4, 2
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%endif
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INIT_XMM sse2
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PIX_SUM16 4, 4, 4
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%if HAVE_XOP_EXTERNAL
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INIT_XMM xop
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PIX_SUM16 4, 4, 4
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%endif
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; int ff_pix_norm1_mmx(uint8_t *pix, int line_size)
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; %1 = number of xmm registers used
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; %2 = number of loops
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%macro PIX_NORM1 2
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cglobal pix_norm1, 2, 3, %1
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movsxdifnidn r1, r1d
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mov r2, %2
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pxor m0, m0
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pxor m5, m5
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.loop:
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mova m2, [r0+0]
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%if mmsize == 8
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mova m3, [r0+8]
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%else
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mova m3, [r0+r1]
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%endif
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punpckhbw m1, m2, m0
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punpcklbw m2, m0
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punpckhbw m4, m3, m0
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punpcklbw m3, m0
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pmaddwd m1, m1
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pmaddwd m2, m2
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pmaddwd m3, m3
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pmaddwd m4, m4
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paddd m2, m1
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paddd m4, m3
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paddd m5, m2
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paddd m5, m4
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%if mmsize == 8
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add r0, r1
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%else
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lea r0, [r0+r1*2]
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%endif
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dec r2
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jne .loop
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HADDD m5, m1
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movd eax, m5
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RET
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%endmacro
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INIT_MMX mmx
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PIX_NORM1 0, 16
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INIT_XMM sse2
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PIX_NORM1 6, 8
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