| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * SIMD-optimized halfpel functions are compiled twice for rnd/no_rnd | ||
| 3 | * Copyright (c) 2000, 2001 Fabrice Bellard | ||
| 4 | * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at> | ||
| 5 | * | ||
| 6 | * MMX optimization by Nick Kurshev <nickols_k@mail.ru> | ||
| 7 | * mostly rewritten by Michael Niedermayer <michaelni@gmx.at> | ||
| 8 | * and improved by Zdenek Kabelac <kabi@users.sf.net> | ||
| 9 | * | ||
| 10 | * This file is part of FFmpeg. | ||
| 11 | * | ||
| 12 | * FFmpeg is free software; you can redistribute it and/or | ||
| 13 | * modify it under the terms of the GNU Lesser General Public | ||
| 14 | * License as published by the Free Software Foundation; either | ||
| 15 | * version 2.1 of the License, or (at your option) any later version. | ||
| 16 | * | ||
| 17 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 20 | * Lesser General Public License for more details. | ||
| 21 | * | ||
| 22 | * You should have received a copy of the GNU Lesser General Public | ||
| 23 | * License along with FFmpeg; if not, write to the Free Software | ||
| 24 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 25 | */ | ||
| 26 | |||
| 27 | #include <stddef.h> | ||
| 28 | #include <stdint.h> | ||
| 29 | |||
| 30 | #include "inline_asm.h" | ||
| 31 | |||
| 32 | // put_pixels | ||
| 33 | 144438 | av_unused STATIC void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, | |
| 34 | ptrdiff_t line_size, int h) | ||
| 35 | { | ||
| 36 | 144438 | MOVQ_ZERO(mm7); | |
| 37 | 144438 | SET_RND(mm6); // =2 for rnd and =1 for no_rnd version | |
| 38 | 144438 | __asm__ volatile( | |
| 39 | "movq (%1), %%mm0 \n\t" | ||
| 40 | "movq 1(%1), %%mm4 \n\t" | ||
| 41 | "movq %%mm0, %%mm1 \n\t" | ||
| 42 | "movq %%mm4, %%mm5 \n\t" | ||
| 43 | "punpcklbw %%mm7, %%mm0 \n\t" | ||
| 44 | "punpcklbw %%mm7, %%mm4 \n\t" | ||
| 45 | "punpckhbw %%mm7, %%mm1 \n\t" | ||
| 46 | "punpckhbw %%mm7, %%mm5 \n\t" | ||
| 47 | "paddusw %%mm0, %%mm4 \n\t" | ||
| 48 | "paddusw %%mm1, %%mm5 \n\t" | ||
| 49 | "xor %%"FF_REG_a", %%"FF_REG_a" \n\t" | ||
| 50 | "add %3, %1 \n\t" | ||
| 51 | ".p2align 3 \n\t" | ||
| 52 | "1: \n\t" | ||
| 53 | "movq (%1, %%"FF_REG_a"), %%mm0 \n\t" | ||
| 54 | "movq 1(%1, %%"FF_REG_a"), %%mm2 \n\t" | ||
| 55 | "movq %%mm0, %%mm1 \n\t" | ||
| 56 | "movq %%mm2, %%mm3 \n\t" | ||
| 57 | "punpcklbw %%mm7, %%mm0 \n\t" | ||
| 58 | "punpcklbw %%mm7, %%mm2 \n\t" | ||
| 59 | "punpckhbw %%mm7, %%mm1 \n\t" | ||
| 60 | "punpckhbw %%mm7, %%mm3 \n\t" | ||
| 61 | "paddusw %%mm2, %%mm0 \n\t" | ||
| 62 | "paddusw %%mm3, %%mm1 \n\t" | ||
| 63 | "paddusw %%mm6, %%mm4 \n\t" | ||
| 64 | "paddusw %%mm6, %%mm5 \n\t" | ||
| 65 | "paddusw %%mm0, %%mm4 \n\t" | ||
| 66 | "paddusw %%mm1, %%mm5 \n\t" | ||
| 67 | "psrlw $2, %%mm4 \n\t" | ||
| 68 | "psrlw $2, %%mm5 \n\t" | ||
| 69 | "packuswb %%mm5, %%mm4 \n\t" | ||
| 70 | "movq %%mm4, (%2, %%"FF_REG_a") \n\t" | ||
| 71 | "add %3, %%"FF_REG_a" \n\t" | ||
| 72 | |||
| 73 | "movq (%1, %%"FF_REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3 | ||
| 74 | "movq 1(%1, %%"FF_REG_a"), %%mm4 \n\t" | ||
| 75 | "movq %%mm2, %%mm3 \n\t" | ||
| 76 | "movq %%mm4, %%mm5 \n\t" | ||
| 77 | "punpcklbw %%mm7, %%mm2 \n\t" | ||
| 78 | "punpcklbw %%mm7, %%mm4 \n\t" | ||
| 79 | "punpckhbw %%mm7, %%mm3 \n\t" | ||
| 80 | "punpckhbw %%mm7, %%mm5 \n\t" | ||
| 81 | "paddusw %%mm2, %%mm4 \n\t" | ||
| 82 | "paddusw %%mm3, %%mm5 \n\t" | ||
| 83 | "paddusw %%mm6, %%mm0 \n\t" | ||
| 84 | "paddusw %%mm6, %%mm1 \n\t" | ||
| 85 | "paddusw %%mm4, %%mm0 \n\t" | ||
| 86 | "paddusw %%mm5, %%mm1 \n\t" | ||
| 87 | "psrlw $2, %%mm0 \n\t" | ||
| 88 | "psrlw $2, %%mm1 \n\t" | ||
| 89 | "packuswb %%mm1, %%mm0 \n\t" | ||
| 90 | "movq %%mm0, (%2, %%"FF_REG_a") \n\t" | ||
| 91 | "add %3, %%"FF_REG_a" \n\t" | ||
| 92 | |||
| 93 | "subl $2, %0 \n\t" | ||
| 94 | "jnz 1b \n\t" | ||
| 95 | :"+g"(h), "+S"(pixels) | ||
| 96 | :"D"(block), "r"((x86_reg)line_size) | ||
| 97 | :FF_REG_a, "memory"); | ||
| 98 | 144438 | } | |
| 99 |