* commit '009331303a6462d07cbe94aef9c446f1a1695519': x86: huffyuvdsp: Move inline assembly to init file Conflicts: libavcodec/x86/Makefile libavcodec/x86/huffyuvdsp.h libavcodec/x86/huffyuvdsp_init.c libavcodec/x86/huffyuvdsp_mmx.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
		
			
				
	
	
		
			118 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu>
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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 "config.h"
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| #include "libavutil/attributes.h"
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| #include "libavutil/cpu.h"
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| #include "libavutil/x86/asm.h"
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| #include "libavutil/x86/cpu.h"
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| #include "libavcodec/huffyuvdsp.h"
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| 
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| void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, intptr_t w);
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| void ff_add_bytes_sse2(uint8_t *dst, uint8_t *src, intptr_t w);
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| 
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| void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
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|                                     const uint8_t *diff, intptr_t w,
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|                                     int *left, int *left_top);
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| void ff_add_hfyu_median_pred_sse2(uint8_t *dst, const uint8_t *top,
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|                                   const uint8_t *diff, intptr_t w,
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|                                   int *left, int *left_top);
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| 
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| int  ff_add_hfyu_left_pred_ssse3(uint8_t *dst, const uint8_t *src,
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|                                  intptr_t w, int left);
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| int  ff_add_hfyu_left_pred_sse4(uint8_t *dst, const uint8_t *src,
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|                                 intptr_t w, int left);
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| 
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| void ff_add_hfyu_left_pred_bgr32_mmx(uint8_t *dst, const uint8_t *src,
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|                                      intptr_t w, uint8_t *left);
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| void ff_add_hfyu_left_pred_bgr32_sse2(uint8_t *dst, const uint8_t *src,
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|                                       intptr_t w, uint8_t *left);
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| 
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| #if HAVE_INLINE_ASM && HAVE_7REGS && ARCH_X86_32
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| static void add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top,
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|                                       const uint8_t *diff, intptr_t w,
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|                                       int *left, int *left_top)
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| {
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|     x86_reg w2 = -w;
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|     x86_reg x;
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|     int l  = *left     & 0xff;
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|     int tl = *left_top & 0xff;
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|     int t;
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|     __asm__ volatile (
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|         "mov          %7, %3            \n"
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|         "1:                             \n"
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|         "movzbl (%3, %4), %2            \n"
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|         "mov          %2, %k3           \n"
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|         "sub         %b1, %b3           \n"
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|         "add         %b0, %b3           \n"
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|         "mov          %2, %1            \n"
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|         "cmp          %0, %2            \n"
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|         "cmovg        %0, %2            \n"
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|         "cmovg        %1, %0            \n"
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|         "cmp         %k3, %0            \n"
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|         "cmovg       %k3, %0            \n"
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|         "mov          %7, %3            \n"
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|         "cmp          %2, %0            \n"
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|         "cmovl        %2, %0            \n"
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|         "add    (%6, %4), %b0           \n"
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|         "mov         %b0, (%5, %4)      \n"
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|         "inc          %4                \n"
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|         "jl           1b                \n"
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|         : "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
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|         : "r"(dst + w), "r"(diff + w), "rm"(top + w)
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|     );
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|     *left     = l;
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|     *left_top = tl;
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| }
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| #endif
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| 
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| av_cold void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c)
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| {
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|     int cpu_flags = av_get_cpu_flags();
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| 
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| #if HAVE_INLINE_ASM && HAVE_7REGS && ARCH_X86_32
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|     if (cpu_flags & AV_CPU_FLAG_CMOV)
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|         c->add_hfyu_median_pred = add_hfyu_median_pred_cmov;
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| #endif
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| 
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|     if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) {
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|         c->add_bytes = ff_add_bytes_mmx;
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|         c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_mmx;
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|     }
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| 
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|     if (ARCH_X86_32 && EXTERNAL_MMXEXT(cpu_flags)) {
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|         /* slower than cmov version on AMD */
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|         if (!(cpu_flags & AV_CPU_FLAG_3DNOW))
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|             c->add_hfyu_median_pred = ff_add_hfyu_median_pred_mmxext;
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|     }
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| 
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|     if (EXTERNAL_SSE2(cpu_flags)) {
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|         c->add_bytes            = ff_add_bytes_sse2;
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|         c->add_hfyu_median_pred = ff_add_hfyu_median_pred_sse2;
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|         c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_sse2;
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|     }
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| 
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|     if (EXTERNAL_SSSE3(cpu_flags)) {
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|         c->add_hfyu_left_pred = ff_add_hfyu_left_pred_ssse3;
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|         if (cpu_flags & AV_CPU_FLAG_SSE4) // not really SSE4, just slow on Conroe
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|             c->add_hfyu_left_pred = ff_add_hfyu_left_pred_sse4;
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|     }
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| }
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