1;****************************************************************************** 2;* SIMD-optimized halfpel functions for VP3 3;* 4;* This file is part of FFmpeg. 5;* 6;* FFmpeg is free software; you can redistribute it and/or 7;* modify it under the terms of the GNU Lesser General Public 8;* License as published by the Free Software Foundation; either 9;* version 2.1 of the License, or (at your option) any later version. 10;* 11;* FFmpeg is distributed in the hope that it will be useful, 12;* but WITHOUT ANY WARRANTY; without even the implied warranty of 13;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14;* Lesser General Public License for more details. 15;* 16;* You should have received a copy of the GNU Lesser General Public 17;* License along with FFmpeg; if not, write to the Free Software 18;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19;****************************************************************************** 20 21%include "libavutil/x86/x86util.asm" 22 23SECTION .text 24 25; void ff_put_no_rnd_pixels8_x2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) 26INIT_MMX mmxext 27cglobal put_no_rnd_pixels8_x2_exact, 4,5 28 lea r4, [r2*3] 29 pcmpeqb m6, m6 30.loop: 31 mova m0, [r1] 32 mova m2, [r1+r2] 33 mova m1, [r1+1] 34 mova m3, [r1+r2+1] 35 pxor m0, m6 36 pxor m2, m6 37 pxor m1, m6 38 pxor m3, m6 39 PAVGB m0, m1 40 PAVGB m2, m3 41 pxor m0, m6 42 pxor m2, m6 43 mova [r0], m0 44 mova [r0+r2], m2 45 mova m0, [r1+r2*2] 46 mova m1, [r1+r2*2+1] 47 mova m2, [r1+r4] 48 mova m3, [r1+r4+1] 49 pxor m0, m6 50 pxor m1, m6 51 pxor m2, m6 52 pxor m3, m6 53 PAVGB m0, m1 54 PAVGB m2, m3 55 pxor m0, m6 56 pxor m2, m6 57 mova [r0+r2*2], m0 58 mova [r0+r4], m2 59 lea r1, [r1+r2*4] 60 lea r0, [r0+r2*4] 61 sub r3d, 4 62 jg .loop 63 REP_RET 64 65 66; void ff_put_no_rnd_pixels8_y2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) 67INIT_MMX mmxext 68cglobal put_no_rnd_pixels8_y2_exact, 4,5 69 lea r4, [r2*3] 70 mova m0, [r1] 71 pcmpeqb m6, m6 72 add r1, r2 73 pxor m0, m6 74.loop: 75 mova m1, [r1] 76 mova m2, [r1+r2] 77 pxor m1, m6 78 pxor m2, m6 79 PAVGB m0, m1 80 PAVGB m1, m2 81 pxor m0, m6 82 pxor m1, m6 83 mova [r0], m0 84 mova [r0+r2], m1 85 mova m1, [r1+r2*2] 86 mova m0, [r1+r4] 87 pxor m1, m6 88 pxor m0, m6 89 PAVGB m2, m1 90 PAVGB m1, m0 91 pxor m2, m6 92 pxor m1, m6 93 mova [r0+r2*2], m2 94 mova [r0+r4], m1 95 lea r1, [r1+r2*4] 96 lea r0, [r0+r2*4] 97 sub r3d, 4 98 jg .loop 99 REP_RET 100