mirror of https://git.ffmpeg.org/ffmpeg.git
911 lines
28 KiB
C
911 lines
28 KiB
C
/*
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* MMX optimized DSP utils
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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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* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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/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/dct.h"
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#include "libavcodec/dsputil.h"
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#include "libavcodec/mpegvideo.h"
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#include "dsputil_x86.h"
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void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size);
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void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size);
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void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
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int stride);
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#if HAVE_INLINE_ASM
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static int sse8_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h)
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{
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int tmp;
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__asm__ volatile (
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"movl %4, %%ecx \n"
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"shr $1, %%ecx \n"
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"pxor %%mm0, %%mm0 \n" /* mm0 = 0 */
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"pxor %%mm7, %%mm7 \n" /* mm7 holds the sum */
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"1: \n"
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"movq (%0), %%mm1 \n" /* mm1 = pix1[0][0 - 7] */
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"movq (%1), %%mm2 \n" /* mm2 = pix2[0][0 - 7] */
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"movq (%0, %3), %%mm3 \n" /* mm3 = pix1[1][0 - 7] */
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"movq (%1, %3), %%mm4 \n" /* mm4 = pix2[1][0 - 7] */
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/* todo: mm1-mm2, mm3-mm4 */
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/* algo: subtract mm1 from mm2 with saturation and vice versa */
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/* OR the results to get absolute difference */
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"movq %%mm1, %%mm5 \n"
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"movq %%mm3, %%mm6 \n"
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"psubusb %%mm2, %%mm1 \n"
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"psubusb %%mm4, %%mm3 \n"
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"psubusb %%mm5, %%mm2 \n"
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"psubusb %%mm6, %%mm4 \n"
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"por %%mm1, %%mm2 \n"
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"por %%mm3, %%mm4 \n"
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/* now convert to 16-bit vectors so we can square them */
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"movq %%mm2, %%mm1 \n"
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"movq %%mm4, %%mm3 \n"
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"punpckhbw %%mm0, %%mm2 \n"
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"punpckhbw %%mm0, %%mm4 \n"
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"punpcklbw %%mm0, %%mm1 \n" /* mm1 now spread over (mm1, mm2) */
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"punpcklbw %%mm0, %%mm3 \n" /* mm4 now spread over (mm3, mm4) */
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"pmaddwd %%mm2, %%mm2 \n"
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"pmaddwd %%mm4, %%mm4 \n"
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"pmaddwd %%mm1, %%mm1 \n"
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"pmaddwd %%mm3, %%mm3 \n"
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"lea (%0, %3, 2), %0 \n" /* pix1 += 2 * line_size */
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"lea (%1, %3, 2), %1 \n" /* pix2 += 2 * line_size */
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"paddd %%mm2, %%mm1 \n"
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"paddd %%mm4, %%mm3 \n"
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"paddd %%mm1, %%mm7 \n"
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"paddd %%mm3, %%mm7 \n"
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"decl %%ecx \n"
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"jnz 1b \n"
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"movq %%mm7, %%mm1 \n"
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"psrlq $32, %%mm7 \n" /* shift hi dword to lo */
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"paddd %%mm7, %%mm1 \n"
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"movd %%mm1, %2 \n"
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: "+r" (pix1), "+r" (pix2), "=r" (tmp)
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: "r" ((x86_reg) line_size), "m" (h)
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: "%ecx");
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return tmp;
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}
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static int sse16_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h)
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{
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int tmp;
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__asm__ volatile (
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"movl %4, %%ecx\n"
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"pxor %%mm0, %%mm0\n" /* mm0 = 0 */
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"pxor %%mm7, %%mm7\n" /* mm7 holds the sum */
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"1:\n"
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"movq (%0), %%mm1\n" /* mm1 = pix1[0 - 7] */
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"movq (%1), %%mm2\n" /* mm2 = pix2[0 - 7] */
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"movq 8(%0), %%mm3\n" /* mm3 = pix1[8 - 15] */
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"movq 8(%1), %%mm4\n" /* mm4 = pix2[8 - 15] */
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/* todo: mm1-mm2, mm3-mm4 */
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/* algo: subtract mm1 from mm2 with saturation and vice versa */
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/* OR the results to get absolute difference */
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"movq %%mm1, %%mm5\n"
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"movq %%mm3, %%mm6\n"
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"psubusb %%mm2, %%mm1\n"
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"psubusb %%mm4, %%mm3\n"
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"psubusb %%mm5, %%mm2\n"
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"psubusb %%mm6, %%mm4\n"
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"por %%mm1, %%mm2\n"
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"por %%mm3, %%mm4\n"
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/* now convert to 16-bit vectors so we can square them */
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"movq %%mm2, %%mm1\n"
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"movq %%mm4, %%mm3\n"
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"punpckhbw %%mm0, %%mm2\n"
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"punpckhbw %%mm0, %%mm4\n"
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"punpcklbw %%mm0, %%mm1\n" /* mm1 now spread over (mm1, mm2) */
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"punpcklbw %%mm0, %%mm3\n" /* mm4 now spread over (mm3, mm4) */
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"pmaddwd %%mm2, %%mm2\n"
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"pmaddwd %%mm4, %%mm4\n"
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"pmaddwd %%mm1, %%mm1\n"
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"pmaddwd %%mm3, %%mm3\n"
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"add %3, %0\n"
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"add %3, %1\n"
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"paddd %%mm2, %%mm1\n"
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"paddd %%mm4, %%mm3\n"
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"paddd %%mm1, %%mm7\n"
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"paddd %%mm3, %%mm7\n"
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"decl %%ecx\n"
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"jnz 1b\n"
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"movq %%mm7, %%mm1\n"
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"psrlq $32, %%mm7\n" /* shift hi dword to lo */
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"paddd %%mm7, %%mm1\n"
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"movd %%mm1, %2\n"
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: "+r" (pix1), "+r" (pix2), "=r" (tmp)
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: "r" ((x86_reg) line_size), "m" (h)
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: "%ecx");
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return tmp;
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}
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static int hf_noise8_mmx(uint8_t *pix1, int line_size, int h)
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{
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int tmp;
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__asm__ volatile (
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"movl %3, %%ecx\n"
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"pxor %%mm7, %%mm7\n"
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"pxor %%mm6, %%mm6\n"
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"movq (%0), %%mm0\n"
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"movq %%mm0, %%mm1\n"
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"psllq $8, %%mm0\n"
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"psrlq $8, %%mm1\n"
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"psrlq $8, %%mm0\n"
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"movq %%mm0, %%mm2\n"
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"movq %%mm1, %%mm3\n"
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"punpcklbw %%mm7, %%mm0\n"
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"punpcklbw %%mm7, %%mm1\n"
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"punpckhbw %%mm7, %%mm2\n"
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"punpckhbw %%mm7, %%mm3\n"
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"psubw %%mm1, %%mm0\n"
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"psubw %%mm3, %%mm2\n"
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"add %2, %0\n"
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"movq (%0), %%mm4\n"
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"movq %%mm4, %%mm1\n"
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"psllq $8, %%mm4\n"
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"psrlq $8, %%mm1\n"
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"psrlq $8, %%mm4\n"
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"movq %%mm4, %%mm5\n"
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"movq %%mm1, %%mm3\n"
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"punpcklbw %%mm7, %%mm4\n"
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"punpcklbw %%mm7, %%mm1\n"
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"punpckhbw %%mm7, %%mm5\n"
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"punpckhbw %%mm7, %%mm3\n"
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"psubw %%mm1, %%mm4\n"
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"psubw %%mm3, %%mm5\n"
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"psubw %%mm4, %%mm0\n"
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"psubw %%mm5, %%mm2\n"
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"pxor %%mm3, %%mm3\n"
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"pxor %%mm1, %%mm1\n"
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"pcmpgtw %%mm0, %%mm3\n\t"
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"pcmpgtw %%mm2, %%mm1\n\t"
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"pxor %%mm3, %%mm0\n"
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"pxor %%mm1, %%mm2\n"
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"psubw %%mm3, %%mm0\n"
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"psubw %%mm1, %%mm2\n"
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"paddw %%mm0, %%mm2\n"
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"paddw %%mm2, %%mm6\n"
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"add %2, %0\n"
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"1:\n"
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"movq (%0), %%mm0\n"
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"movq %%mm0, %%mm1\n"
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"psllq $8, %%mm0\n"
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"psrlq $8, %%mm1\n"
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"psrlq $8, %%mm0\n"
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"movq %%mm0, %%mm2\n"
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"movq %%mm1, %%mm3\n"
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"punpcklbw %%mm7, %%mm0\n"
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"punpcklbw %%mm7, %%mm1\n"
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"punpckhbw %%mm7, %%mm2\n"
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"punpckhbw %%mm7, %%mm3\n"
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"psubw %%mm1, %%mm0\n"
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"psubw %%mm3, %%mm2\n"
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"psubw %%mm0, %%mm4\n"
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"psubw %%mm2, %%mm5\n"
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"pxor %%mm3, %%mm3\n"
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"pxor %%mm1, %%mm1\n"
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"pcmpgtw %%mm4, %%mm3\n\t"
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"pcmpgtw %%mm5, %%mm1\n\t"
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"pxor %%mm3, %%mm4\n"
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"pxor %%mm1, %%mm5\n"
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"psubw %%mm3, %%mm4\n"
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"psubw %%mm1, %%mm5\n"
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"paddw %%mm4, %%mm5\n"
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"paddw %%mm5, %%mm6\n"
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"add %2, %0\n"
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"movq (%0), %%mm4\n"
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"movq %%mm4, %%mm1\n"
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"psllq $8, %%mm4\n"
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"psrlq $8, %%mm1\n"
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"psrlq $8, %%mm4\n"
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"movq %%mm4, %%mm5\n"
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"movq %%mm1, %%mm3\n"
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"punpcklbw %%mm7, %%mm4\n"
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"punpcklbw %%mm7, %%mm1\n"
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"punpckhbw %%mm7, %%mm5\n"
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"punpckhbw %%mm7, %%mm3\n"
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"psubw %%mm1, %%mm4\n"
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"psubw %%mm3, %%mm5\n"
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"psubw %%mm4, %%mm0\n"
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"psubw %%mm5, %%mm2\n"
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"pxor %%mm3, %%mm3\n"
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"pxor %%mm1, %%mm1\n"
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"pcmpgtw %%mm0, %%mm3\n\t"
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"pcmpgtw %%mm2, %%mm1\n\t"
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"pxor %%mm3, %%mm0\n"
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"pxor %%mm1, %%mm2\n"
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"psubw %%mm3, %%mm0\n"
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"psubw %%mm1, %%mm2\n"
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"paddw %%mm0, %%mm2\n"
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"paddw %%mm2, %%mm6\n"
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"add %2, %0\n"
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"subl $2, %%ecx\n"
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" jnz 1b\n"
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"movq %%mm6, %%mm0\n"
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"punpcklwd %%mm7, %%mm0\n"
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"punpckhwd %%mm7, %%mm6\n"
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"paddd %%mm0, %%mm6\n"
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"movq %%mm6, %%mm0\n"
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"psrlq $32, %%mm6\n"
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"paddd %%mm6, %%mm0\n"
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"movd %%mm0, %1\n"
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: "+r" (pix1), "=r" (tmp)
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: "r" ((x86_reg) line_size), "g" (h - 2)
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: "%ecx");
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return tmp;
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}
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static int hf_noise16_mmx(uint8_t *pix1, int line_size, int h)
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{
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int tmp;
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uint8_t *pix = pix1;
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__asm__ volatile (
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"movl %3, %%ecx\n"
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"pxor %%mm7, %%mm7\n"
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"pxor %%mm6, %%mm6\n"
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"movq (%0), %%mm0\n"
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"movq 1(%0), %%mm1\n"
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"movq %%mm0, %%mm2\n"
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"movq %%mm1, %%mm3\n"
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"punpcklbw %%mm7, %%mm0\n"
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"punpcklbw %%mm7, %%mm1\n"
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"punpckhbw %%mm7, %%mm2\n"
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"punpckhbw %%mm7, %%mm3\n"
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"psubw %%mm1, %%mm0\n"
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"psubw %%mm3, %%mm2\n"
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"add %2, %0\n"
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"movq (%0), %%mm4\n"
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"movq 1(%0), %%mm1\n"
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"movq %%mm4, %%mm5\n"
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"movq %%mm1, %%mm3\n"
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"punpcklbw %%mm7, %%mm4\n"
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"punpcklbw %%mm7, %%mm1\n"
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"punpckhbw %%mm7, %%mm5\n"
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"punpckhbw %%mm7, %%mm3\n"
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"psubw %%mm1, %%mm4\n"
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"psubw %%mm3, %%mm5\n"
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"psubw %%mm4, %%mm0\n"
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"psubw %%mm5, %%mm2\n"
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"pxor %%mm3, %%mm3\n"
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"pxor %%mm1, %%mm1\n"
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"pcmpgtw %%mm0, %%mm3\n\t"
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"pcmpgtw %%mm2, %%mm1\n\t"
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"pxor %%mm3, %%mm0\n"
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"pxor %%mm1, %%mm2\n"
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"psubw %%mm3, %%mm0\n"
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"psubw %%mm1, %%mm2\n"
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"paddw %%mm0, %%mm2\n"
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"paddw %%mm2, %%mm6\n"
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"add %2, %0\n"
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"1:\n"
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"movq (%0), %%mm0\n"
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"movq 1(%0), %%mm1\n"
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"movq %%mm0, %%mm2\n"
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"movq %%mm1, %%mm3\n"
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"punpcklbw %%mm7, %%mm0\n"
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"punpcklbw %%mm7, %%mm1\n"
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"punpckhbw %%mm7, %%mm2\n"
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"punpckhbw %%mm7, %%mm3\n"
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"psubw %%mm1, %%mm0\n"
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"psubw %%mm3, %%mm2\n"
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"psubw %%mm0, %%mm4\n"
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"psubw %%mm2, %%mm5\n"
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"pxor %%mm3, %%mm3\n"
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"pxor %%mm1, %%mm1\n"
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"pcmpgtw %%mm4, %%mm3\n\t"
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"pcmpgtw %%mm5, %%mm1\n\t"
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"pxor %%mm3, %%mm4\n"
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"pxor %%mm1, %%mm5\n"
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"psubw %%mm3, %%mm4\n"
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"psubw %%mm1, %%mm5\n"
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"paddw %%mm4, %%mm5\n"
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"paddw %%mm5, %%mm6\n"
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"add %2, %0\n"
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"movq (%0), %%mm4\n"
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"movq 1(%0), %%mm1\n"
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"movq %%mm4, %%mm5\n"
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"movq %%mm1, %%mm3\n"
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"punpcklbw %%mm7, %%mm4\n"
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"punpcklbw %%mm7, %%mm1\n"
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"punpckhbw %%mm7, %%mm5\n"
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"punpckhbw %%mm7, %%mm3\n"
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"psubw %%mm1, %%mm4\n"
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"psubw %%mm3, %%mm5\n"
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"psubw %%mm4, %%mm0\n"
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"psubw %%mm5, %%mm2\n"
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"pxor %%mm3, %%mm3\n"
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"pxor %%mm1, %%mm1\n"
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"pcmpgtw %%mm0, %%mm3\n\t"
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"pcmpgtw %%mm2, %%mm1\n\t"
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"pxor %%mm3, %%mm0\n"
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"pxor %%mm1, %%mm2\n"
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"psubw %%mm3, %%mm0\n"
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"psubw %%mm1, %%mm2\n"
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"paddw %%mm0, %%mm2\n"
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"paddw %%mm2, %%mm6\n"
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"add %2, %0\n"
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"subl $2, %%ecx\n"
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" jnz 1b\n"
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"movq %%mm6, %%mm0\n"
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"punpcklwd %%mm7, %%mm0\n"
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"punpckhwd %%mm7, %%mm6\n"
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"paddd %%mm0, %%mm6\n"
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"movq %%mm6, %%mm0\n"
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"psrlq $32, %%mm6\n"
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"paddd %%mm6, %%mm0\n"
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"movd %%mm0, %1\n"
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: "+r" (pix1), "=r" (tmp)
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: "r" ((x86_reg) line_size), "g" (h - 2)
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: "%ecx");
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return tmp + hf_noise8_mmx(pix + 8, line_size, h);
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}
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static int nsse16_mmx(MpegEncContext *c, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h)
|
|
{
|
|
int score1, score2;
|
|
|
|
if (c)
|
|
score1 = c->dsp.sse[0](c, pix1, pix2, line_size, h);
|
|
else
|
|
score1 = sse16_mmx(c, pix1, pix2, line_size, h);
|
|
score2 = hf_noise16_mmx(pix1, line_size, h) -
|
|
hf_noise16_mmx(pix2, line_size, h);
|
|
|
|
if (c)
|
|
return score1 + FFABS(score2) * c->avctx->nsse_weight;
|
|
else
|
|
return score1 + FFABS(score2) * 8;
|
|
}
|
|
|
|
static int nsse8_mmx(MpegEncContext *c, uint8_t *pix1, uint8_t *pix2,
|
|
int line_size, int h)
|
|
{
|
|
int score1 = sse8_mmx(c, pix1, pix2, line_size, h);
|
|
int score2 = hf_noise8_mmx(pix1, line_size, h) -
|
|
hf_noise8_mmx(pix2, line_size, h);
|
|
|
|
if (c)
|
|
return score1 + FFABS(score2) * c->avctx->nsse_weight;
|
|
else
|
|
return score1 + FFABS(score2) * 8;
|
|
}
|
|
|
|
static int vsad_intra16_mmx(MpegEncContext *v, uint8_t *pix, uint8_t *dummy,
|
|
int line_size, int h)
|
|
{
|
|
int tmp;
|
|
|
|
assert((((int) pix) & 7) == 0);
|
|
assert((line_size & 7) == 0);
|
|
|
|
#define SUM(in0, in1, out0, out1) \
|
|
"movq (%0), %%mm2\n" \
|
|
"movq 8(%0), %%mm3\n" \
|
|
"add %2,%0\n" \
|
|
"movq %%mm2, " #out0 "\n" \
|
|
"movq %%mm3, " #out1 "\n" \
|
|
"psubusb " #in0 ", %%mm2\n" \
|
|
"psubusb " #in1 ", %%mm3\n" \
|
|
"psubusb " #out0 ", " #in0 "\n" \
|
|
"psubusb " #out1 ", " #in1 "\n" \
|
|
"por %%mm2, " #in0 "\n" \
|
|
"por %%mm3, " #in1 "\n" \
|
|
"movq " #in0 ", %%mm2\n" \
|
|
"movq " #in1 ", %%mm3\n" \
|
|
"punpcklbw %%mm7, " #in0 "\n" \
|
|
"punpcklbw %%mm7, " #in1 "\n" \
|
|
"punpckhbw %%mm7, %%mm2\n" \
|
|
"punpckhbw %%mm7, %%mm3\n" \
|
|
"paddw " #in1 ", " #in0 "\n" \
|
|
"paddw %%mm3, %%mm2\n" \
|
|
"paddw %%mm2, " #in0 "\n" \
|
|
"paddw " #in0 ", %%mm6\n"
|
|
|
|
|
|
__asm__ volatile (
|
|
"movl %3, %%ecx\n"
|
|
"pxor %%mm6, %%mm6\n"
|
|
"pxor %%mm7, %%mm7\n"
|
|
"movq (%0), %%mm0\n"
|
|
"movq 8(%0), %%mm1\n"
|
|
"add %2, %0\n"
|
|
"jmp 2f\n"
|
|
"1:\n"
|
|
|
|
SUM(%%mm4, %%mm5, %%mm0, %%mm1)
|
|
"2:\n"
|
|
SUM(%%mm0, %%mm1, %%mm4, %%mm5)
|
|
|
|
"subl $2, %%ecx\n"
|
|
"jnz 1b\n"
|
|
|
|
"movq %%mm6, %%mm0\n"
|
|
"psrlq $32, %%mm6\n"
|
|
"paddw %%mm6, %%mm0\n"
|
|
"movq %%mm0, %%mm6\n"
|
|
"psrlq $16, %%mm0\n"
|
|
"paddw %%mm6, %%mm0\n"
|
|
"movd %%mm0, %1\n"
|
|
: "+r" (pix), "=r" (tmp)
|
|
: "r" ((x86_reg) line_size), "m" (h)
|
|
: "%ecx");
|
|
|
|
return tmp & 0xFFFF;
|
|
}
|
|
#undef SUM
|
|
|
|
static int vsad_intra16_mmxext(MpegEncContext *v, uint8_t *pix, uint8_t *dummy,
|
|
int line_size, int h)
|
|
{
|
|
int tmp;
|
|
|
|
assert((((int) pix) & 7) == 0);
|
|
assert((line_size & 7) == 0);
|
|
|
|
#define SUM(in0, in1, out0, out1) \
|
|
"movq (%0), " #out0 "\n" \
|
|
"movq 8(%0), " #out1 "\n" \
|
|
"add %2, %0\n" \
|
|
"psadbw " #out0 ", " #in0 "\n" \
|
|
"psadbw " #out1 ", " #in1 "\n" \
|
|
"paddw " #in1 ", " #in0 "\n" \
|
|
"paddw " #in0 ", %%mm6\n"
|
|
|
|
__asm__ volatile (
|
|
"movl %3, %%ecx\n"
|
|
"pxor %%mm6, %%mm6\n"
|
|
"pxor %%mm7, %%mm7\n"
|
|
"movq (%0), %%mm0\n"
|
|
"movq 8(%0), %%mm1\n"
|
|
"add %2, %0\n"
|
|
"jmp 2f\n"
|
|
"1:\n"
|
|
|
|
SUM(%%mm4, %%mm5, %%mm0, %%mm1)
|
|
"2:\n"
|
|
SUM(%%mm0, %%mm1, %%mm4, %%mm5)
|
|
|
|
"subl $2, %%ecx\n"
|
|
"jnz 1b\n"
|
|
|
|
"movd %%mm6, %1\n"
|
|
: "+r" (pix), "=r" (tmp)
|
|
: "r" ((x86_reg) line_size), "m" (h)
|
|
: "%ecx");
|
|
|
|
return tmp;
|
|
}
|
|
#undef SUM
|
|
|
|
static int vsad16_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
|
|
int line_size, int h)
|
|
{
|
|
int tmp;
|
|
|
|
assert((((int) pix1) & 7) == 0);
|
|
assert((((int) pix2) & 7) == 0);
|
|
assert((line_size & 7) == 0);
|
|
|
|
#define SUM(in0, in1, out0, out1) \
|
|
"movq (%0), %%mm2\n" \
|
|
"movq (%1), " #out0 "\n" \
|
|
"movq 8(%0), %%mm3\n" \
|
|
"movq 8(%1), " #out1 "\n" \
|
|
"add %3, %0\n" \
|
|
"add %3, %1\n" \
|
|
"psubb " #out0 ", %%mm2\n" \
|
|
"psubb " #out1 ", %%mm3\n" \
|
|
"pxor %%mm7, %%mm2\n" \
|
|
"pxor %%mm7, %%mm3\n" \
|
|
"movq %%mm2, " #out0 "\n" \
|
|
"movq %%mm3, " #out1 "\n" \
|
|
"psubusb " #in0 ", %%mm2\n" \
|
|
"psubusb " #in1 ", %%mm3\n" \
|
|
"psubusb " #out0 ", " #in0 "\n" \
|
|
"psubusb " #out1 ", " #in1 "\n" \
|
|
"por %%mm2, " #in0 "\n" \
|
|
"por %%mm3, " #in1 "\n" \
|
|
"movq " #in0 ", %%mm2\n" \
|
|
"movq " #in1 ", %%mm3\n" \
|
|
"punpcklbw %%mm7, " #in0 "\n" \
|
|
"punpcklbw %%mm7, " #in1 "\n" \
|
|
"punpckhbw %%mm7, %%mm2\n" \
|
|
"punpckhbw %%mm7, %%mm3\n" \
|
|
"paddw " #in1 ", " #in0 "\n" \
|
|
"paddw %%mm3, %%mm2\n" \
|
|
"paddw %%mm2, " #in0 "\n" \
|
|
"paddw " #in0 ", %%mm6\n"
|
|
|
|
|
|
__asm__ volatile (
|
|
"movl %4, %%ecx\n"
|
|
"pxor %%mm6, %%mm6\n"
|
|
"pcmpeqw %%mm7, %%mm7\n"
|
|
"psllw $15, %%mm7\n"
|
|
"packsswb %%mm7, %%mm7\n"
|
|
"movq (%0), %%mm0\n"
|
|
"movq (%1), %%mm2\n"
|
|
"movq 8(%0), %%mm1\n"
|
|
"movq 8(%1), %%mm3\n"
|
|
"add %3, %0\n"
|
|
"add %3, %1\n"
|
|
"psubb %%mm2, %%mm0\n"
|
|
"psubb %%mm3, %%mm1\n"
|
|
"pxor %%mm7, %%mm0\n"
|
|
"pxor %%mm7, %%mm1\n"
|
|
"jmp 2f\n"
|
|
"1:\n"
|
|
|
|
SUM(%%mm4, %%mm5, %%mm0, %%mm1)
|
|
"2:\n"
|
|
SUM(%%mm0, %%mm1, %%mm4, %%mm5)
|
|
|
|
"subl $2, %%ecx\n"
|
|
"jnz 1b\n"
|
|
|
|
"movq %%mm6, %%mm0\n"
|
|
"psrlq $32, %%mm6\n"
|
|
"paddw %%mm6, %%mm0\n"
|
|
"movq %%mm0, %%mm6\n"
|
|
"psrlq $16, %%mm0\n"
|
|
"paddw %%mm6, %%mm0\n"
|
|
"movd %%mm0, %2\n"
|
|
: "+r" (pix1), "+r" (pix2), "=r" (tmp)
|
|
: "r" ((x86_reg) line_size), "m" (h)
|
|
: "%ecx");
|
|
|
|
return tmp & 0x7FFF;
|
|
}
|
|
#undef SUM
|
|
|
|
static int vsad16_mmxext(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
|
|
int line_size, int h)
|
|
{
|
|
int tmp;
|
|
|
|
assert((((int) pix1) & 7) == 0);
|
|
assert((((int) pix2) & 7) == 0);
|
|
assert((line_size & 7) == 0);
|
|
|
|
#define SUM(in0, in1, out0, out1) \
|
|
"movq (%0), " #out0 "\n" \
|
|
"movq (%1), %%mm2\n" \
|
|
"movq 8(%0), " #out1 "\n" \
|
|
"movq 8(%1), %%mm3\n" \
|
|
"add %3, %0\n" \
|
|
"add %3, %1\n" \
|
|
"psubb %%mm2, " #out0 "\n" \
|
|
"psubb %%mm3, " #out1 "\n" \
|
|
"pxor %%mm7, " #out0 "\n" \
|
|
"pxor %%mm7, " #out1 "\n" \
|
|
"psadbw " #out0 ", " #in0 "\n" \
|
|
"psadbw " #out1 ", " #in1 "\n" \
|
|
"paddw " #in1 ", " #in0 "\n" \
|
|
"paddw " #in0 ", %%mm6\n "
|
|
|
|
__asm__ volatile (
|
|
"movl %4, %%ecx\n"
|
|
"pxor %%mm6, %%mm6\n"
|
|
"pcmpeqw %%mm7, %%mm7\n"
|
|
"psllw $15, %%mm7\n"
|
|
"packsswb %%mm7, %%mm7\n"
|
|
"movq (%0), %%mm0\n"
|
|
"movq (%1), %%mm2\n"
|
|
"movq 8(%0), %%mm1\n"
|
|
"movq 8(%1), %%mm3\n"
|
|
"add %3, %0\n"
|
|
"add %3, %1\n"
|
|
"psubb %%mm2, %%mm0\n"
|
|
"psubb %%mm3, %%mm1\n"
|
|
"pxor %%mm7, %%mm0\n"
|
|
"pxor %%mm7, %%mm1\n"
|
|
"jmp 2f\n"
|
|
"1:\n"
|
|
|
|
SUM(%%mm4, %%mm5, %%mm0, %%mm1)
|
|
"2:\n"
|
|
SUM(%%mm0, %%mm1, %%mm4, %%mm5)
|
|
|
|
"subl $2, %%ecx\n"
|
|
"jnz 1b\n"
|
|
|
|
"movd %%mm6, %2\n"
|
|
: "+r" (pix1), "+r" (pix2), "=r" (tmp)
|
|
: "r" ((x86_reg) line_size), "m" (h)
|
|
: "%ecx");
|
|
|
|
return tmp;
|
|
}
|
|
#undef SUM
|
|
|
|
#define MMABS_MMX(a,z) \
|
|
"pxor " #z ", " #z " \n\t" \
|
|
"pcmpgtw " #a ", " #z " \n\t" \
|
|
"pxor " #z ", " #a " \n\t" \
|
|
"psubw " #z ", " #a " \n\t"
|
|
|
|
#define MMABS_MMXEXT(a, z) \
|
|
"pxor " #z ", " #z " \n\t" \
|
|
"psubw " #a ", " #z " \n\t" \
|
|
"pmaxsw " #z ", " #a " \n\t"
|
|
|
|
#define MMABS_SSSE3(a,z) \
|
|
"pabsw " #a ", " #a " \n\t"
|
|
|
|
#define MMABS_SUM(a,z, sum) \
|
|
MMABS(a,z) \
|
|
"paddusw " #a ", " #sum " \n\t"
|
|
|
|
/* FIXME: HSUM_* saturates at 64k, while an 8x8 hadamard or dct block can get
|
|
* up to about 100k on extreme inputs. But that's very unlikely to occur in
|
|
* natural video, and it's even more unlikely to not have any alternative
|
|
* mvs/modes with lower cost. */
|
|
#define HSUM_MMX(a, t, dst) \
|
|
"movq " #a ", " #t " \n\t" \
|
|
"psrlq $32, " #a " \n\t" \
|
|
"paddusw " #t ", " #a " \n\t" \
|
|
"movq " #a ", " #t " \n\t" \
|
|
"psrlq $16, " #a " \n\t" \
|
|
"paddusw " #t ", " #a " \n\t" \
|
|
"movd " #a ", " #dst " \n\t" \
|
|
|
|
#define HSUM_MMXEXT(a, t, dst) \
|
|
"pshufw $0x0E, " #a ", " #t " \n\t" \
|
|
"paddusw " #t ", " #a " \n\t" \
|
|
"pshufw $0x01, " #a ", " #t " \n\t" \
|
|
"paddusw " #t ", " #a " \n\t" \
|
|
"movd " #a ", " #dst " \n\t" \
|
|
|
|
#define HSUM_SSE2(a, t, dst) \
|
|
"movhlps " #a ", " #t " \n\t" \
|
|
"paddusw " #t ", " #a " \n\t" \
|
|
"pshuflw $0x0E, " #a ", " #t " \n\t" \
|
|
"paddusw " #t ", " #a " \n\t" \
|
|
"pshuflw $0x01, " #a ", " #t " \n\t" \
|
|
"paddusw " #t ", " #a " \n\t" \
|
|
"movd " #a ", " #dst " \n\t" \
|
|
|
|
#define DCT_SAD4(m, mm, o) \
|
|
"mov"#m" "#o" + 0(%1), " #mm "2 \n\t" \
|
|
"mov"#m" "#o" + 16(%1), " #mm "3 \n\t" \
|
|
"mov"#m" "#o" + 32(%1), " #mm "4 \n\t" \
|
|
"mov"#m" "#o" + 48(%1), " #mm "5 \n\t" \
|
|
MMABS_SUM(mm ## 2, mm ## 6, mm ## 0) \
|
|
MMABS_SUM(mm ## 3, mm ## 7, mm ## 1) \
|
|
MMABS_SUM(mm ## 4, mm ## 6, mm ## 0) \
|
|
MMABS_SUM(mm ## 5, mm ## 7, mm ## 1) \
|
|
|
|
#define DCT_SAD_MMX \
|
|
"pxor %%mm0, %%mm0 \n\t" \
|
|
"pxor %%mm1, %%mm1 \n\t" \
|
|
DCT_SAD4(q, %%mm, 0) \
|
|
DCT_SAD4(q, %%mm, 8) \
|
|
DCT_SAD4(q, %%mm, 64) \
|
|
DCT_SAD4(q, %%mm, 72) \
|
|
"paddusw %%mm1, %%mm0 \n\t" \
|
|
HSUM(%%mm0, %%mm1, %0)
|
|
|
|
#define DCT_SAD_SSE2 \
|
|
"pxor %%xmm0, %%xmm0 \n\t" \
|
|
"pxor %%xmm1, %%xmm1 \n\t" \
|
|
DCT_SAD4(dqa, %%xmm, 0) \
|
|
DCT_SAD4(dqa, %%xmm, 64) \
|
|
"paddusw %%xmm1, %%xmm0 \n\t" \
|
|
HSUM(%%xmm0, %%xmm1, %0)
|
|
|
|
#define DCT_SAD_FUNC(cpu) \
|
|
static int sum_abs_dctelem_ ## cpu(int16_t *block) \
|
|
{ \
|
|
int sum; \
|
|
__asm__ volatile ( \
|
|
DCT_SAD \
|
|
:"=r"(sum) \
|
|
:"r"(block)); \
|
|
return sum & 0xFFFF; \
|
|
}
|
|
|
|
#define DCT_SAD DCT_SAD_MMX
|
|
#define HSUM(a, t, dst) HSUM_MMX(a, t, dst)
|
|
#define MMABS(a, z) MMABS_MMX(a, z)
|
|
DCT_SAD_FUNC(mmx)
|
|
#undef MMABS
|
|
#undef HSUM
|
|
|
|
#define HSUM(a, t, dst) HSUM_MMXEXT(a, t, dst)
|
|
#define MMABS(a, z) MMABS_MMXEXT(a, z)
|
|
DCT_SAD_FUNC(mmxext)
|
|
#undef HSUM
|
|
#undef DCT_SAD
|
|
|
|
#define DCT_SAD DCT_SAD_SSE2
|
|
#define HSUM(a, t, dst) HSUM_SSE2(a, t, dst)
|
|
DCT_SAD_FUNC(sse2)
|
|
#undef MMABS
|
|
|
|
#if HAVE_SSSE3_INLINE
|
|
#define MMABS(a, z) MMABS_SSSE3(a, z)
|
|
DCT_SAD_FUNC(ssse3)
|
|
#undef MMABS
|
|
#endif
|
|
#undef HSUM
|
|
#undef DCT_SAD
|
|
|
|
#endif /* HAVE_INLINE_ASM */
|
|
|
|
int ff_sse16_sse2(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
|
|
int line_size, int h);
|
|
|
|
#define hadamard_func(cpu) \
|
|
int ff_hadamard8_diff_ ## cpu(MpegEncContext *s, uint8_t *src1, \
|
|
uint8_t *src2, int stride, int h); \
|
|
int ff_hadamard8_diff16_ ## cpu(MpegEncContext *s, uint8_t *src1, \
|
|
uint8_t *src2, int stride, int h);
|
|
|
|
hadamard_func(mmx)
|
|
hadamard_func(mmxext)
|
|
hadamard_func(sse2)
|
|
hadamard_func(ssse3)
|
|
|
|
av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
|
|
unsigned high_bit_depth)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
const int dct_algo = avctx->dct_algo;
|
|
|
|
if (EXTERNAL_MMX(cpu_flags)) {
|
|
if (!high_bit_depth)
|
|
c->get_pixels = ff_get_pixels_mmx;
|
|
c->diff_pixels = ff_diff_pixels_mmx;
|
|
}
|
|
|
|
if (EXTERNAL_SSE2(cpu_flags))
|
|
if (!high_bit_depth)
|
|
c->get_pixels = ff_get_pixels_sse2;
|
|
|
|
#if HAVE_INLINE_ASM
|
|
if (INLINE_MMX(cpu_flags)) {
|
|
if (!high_bit_depth &&
|
|
(dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
|
|
c->fdct = ff_fdct_mmx;
|
|
|
|
c->sum_abs_dctelem = sum_abs_dctelem_mmx;
|
|
|
|
c->sse[0] = sse16_mmx;
|
|
c->sse[1] = sse8_mmx;
|
|
c->vsad[4] = vsad_intra16_mmx;
|
|
|
|
c->nsse[0] = nsse16_mmx;
|
|
c->nsse[1] = nsse8_mmx;
|
|
if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
|
|
c->vsad[0] = vsad16_mmx;
|
|
}
|
|
}
|
|
|
|
if (INLINE_MMXEXT(cpu_flags)) {
|
|
if (!high_bit_depth &&
|
|
(dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
|
|
c->fdct = ff_fdct_mmxext;
|
|
|
|
c->sum_abs_dctelem = sum_abs_dctelem_mmxext;
|
|
c->vsad[4] = vsad_intra16_mmxext;
|
|
|
|
if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
|
|
c->vsad[0] = vsad16_mmxext;
|
|
}
|
|
}
|
|
|
|
if (INLINE_SSE2(cpu_flags)) {
|
|
if (!high_bit_depth &&
|
|
(dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
|
|
c->fdct = ff_fdct_sse2;
|
|
|
|
c->sum_abs_dctelem = sum_abs_dctelem_sse2;
|
|
}
|
|
|
|
#if HAVE_SSSE3_INLINE
|
|
if (INLINE_SSSE3(cpu_flags)) {
|
|
c->sum_abs_dctelem = sum_abs_dctelem_ssse3;
|
|
}
|
|
#endif
|
|
#endif /* HAVE_INLINE_ASM */
|
|
|
|
if (EXTERNAL_MMX(cpu_flags)) {
|
|
c->hadamard8_diff[0] = ff_hadamard8_diff16_mmx;
|
|
c->hadamard8_diff[1] = ff_hadamard8_diff_mmx;
|
|
}
|
|
|
|
if (EXTERNAL_MMXEXT(cpu_flags)) {
|
|
c->hadamard8_diff[0] = ff_hadamard8_diff16_mmxext;
|
|
c->hadamard8_diff[1] = ff_hadamard8_diff_mmxext;
|
|
}
|
|
|
|
if (EXTERNAL_SSE2(cpu_flags)) {
|
|
c->sse[0] = ff_sse16_sse2;
|
|
|
|
#if HAVE_ALIGNED_STACK
|
|
c->hadamard8_diff[0] = ff_hadamard8_diff16_sse2;
|
|
c->hadamard8_diff[1] = ff_hadamard8_diff_sse2;
|
|
#endif
|
|
}
|
|
|
|
if (EXTERNAL_SSSE3(cpu_flags) && HAVE_ALIGNED_STACK) {
|
|
c->hadamard8_diff[0] = ff_hadamard8_diff16_ssse3;
|
|
c->hadamard8_diff[1] = ff_hadamard8_diff_ssse3;
|
|
}
|
|
|
|
ff_dsputil_init_pix_mmx(c, avctx);
|
|
}
|