| /* |
| * SIMD-optimized halfpel functions are compiled twice for rnd/no_rnd |
| * Copyright (c) 2000, 2001 Fabrice Bellard |
| * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * MMX optimization by Nick Kurshev <nickols_k@mail.ru> |
| * mostly rewritten by Michael Niedermayer <michaelni@gmx.at> |
| * and improved by Zdenek Kabelac <kabi@users.sf.net> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "inline_asm.h" |
| |
| // put_pixels |
| av_unused STATIC void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, |
| ptrdiff_t line_size, int h) |
| { |
| MOVQ_ZERO(mm7); |
| SET_RND(mm6); // =2 for rnd and =1 for no_rnd version |
| __asm__ volatile( |
| "movq (%1), %%mm0 \n\t" |
| "movq 1(%1), %%mm4 \n\t" |
| "movq %%mm0, %%mm1 \n\t" |
| "movq %%mm4, %%mm5 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm4 \n\t" |
| "punpckhbw %%mm7, %%mm1 \n\t" |
| "punpckhbw %%mm7, %%mm5 \n\t" |
| "paddusw %%mm0, %%mm4 \n\t" |
| "paddusw %%mm1, %%mm5 \n\t" |
| "xor %%"REG_a", %%"REG_a" \n\t" |
| "add %3, %1 \n\t" |
| ".p2align 3 \n\t" |
| "1: \n\t" |
| "movq (%1, %%"REG_a"), %%mm0 \n\t" |
| "movq 1(%1, %%"REG_a"), %%mm2 \n\t" |
| "movq %%mm0, %%mm1 \n\t" |
| "movq %%mm2, %%mm3 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm2 \n\t" |
| "punpckhbw %%mm7, %%mm1 \n\t" |
| "punpckhbw %%mm7, %%mm3 \n\t" |
| "paddusw %%mm2, %%mm0 \n\t" |
| "paddusw %%mm3, %%mm1 \n\t" |
| "paddusw %%mm6, %%mm4 \n\t" |
| "paddusw %%mm6, %%mm5 \n\t" |
| "paddusw %%mm0, %%mm4 \n\t" |
| "paddusw %%mm1, %%mm5 \n\t" |
| "psrlw $2, %%mm4 \n\t" |
| "psrlw $2, %%mm5 \n\t" |
| "packuswb %%mm5, %%mm4 \n\t" |
| "movq %%mm4, (%2, %%"REG_a") \n\t" |
| "add %3, %%"REG_a" \n\t" |
| |
| "movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3 |
| "movq 1(%1, %%"REG_a"), %%mm4 \n\t" |
| "movq %%mm2, %%mm3 \n\t" |
| "movq %%mm4, %%mm5 \n\t" |
| "punpcklbw %%mm7, %%mm2 \n\t" |
| "punpcklbw %%mm7, %%mm4 \n\t" |
| "punpckhbw %%mm7, %%mm3 \n\t" |
| "punpckhbw %%mm7, %%mm5 \n\t" |
| "paddusw %%mm2, %%mm4 \n\t" |
| "paddusw %%mm3, %%mm5 \n\t" |
| "paddusw %%mm6, %%mm0 \n\t" |
| "paddusw %%mm6, %%mm1 \n\t" |
| "paddusw %%mm4, %%mm0 \n\t" |
| "paddusw %%mm5, %%mm1 \n\t" |
| "psrlw $2, %%mm0 \n\t" |
| "psrlw $2, %%mm1 \n\t" |
| "packuswb %%mm1, %%mm0 \n\t" |
| "movq %%mm0, (%2, %%"REG_a") \n\t" |
| "add %3, %%"REG_a" \n\t" |
| |
| "subl $2, %0 \n\t" |
| "jnz 1b \n\t" |
| :"+g"(h), "+S"(pixels) |
| :"D"(block), "r"((x86_reg)line_size) |
| :REG_a, "memory"); |
| } |
| |
| // avg_pixels |
| // this routine is 'slightly' suboptimal but mostly unused |
| av_unused STATIC void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, |
| ptrdiff_t line_size, int h) |
| { |
| MOVQ_ZERO(mm7); |
| SET_RND(mm6); // =2 for rnd and =1 for no_rnd version |
| __asm__ volatile( |
| "movq (%1), %%mm0 \n\t" |
| "movq 1(%1), %%mm4 \n\t" |
| "movq %%mm0, %%mm1 \n\t" |
| "movq %%mm4, %%mm5 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm4 \n\t" |
| "punpckhbw %%mm7, %%mm1 \n\t" |
| "punpckhbw %%mm7, %%mm5 \n\t" |
| "paddusw %%mm0, %%mm4 \n\t" |
| "paddusw %%mm1, %%mm5 \n\t" |
| "xor %%"REG_a", %%"REG_a" \n\t" |
| "add %3, %1 \n\t" |
| ".p2align 3 \n\t" |
| "1: \n\t" |
| "movq (%1, %%"REG_a"), %%mm0 \n\t" |
| "movq 1(%1, %%"REG_a"), %%mm2 \n\t" |
| "movq %%mm0, %%mm1 \n\t" |
| "movq %%mm2, %%mm3 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm2 \n\t" |
| "punpckhbw %%mm7, %%mm1 \n\t" |
| "punpckhbw %%mm7, %%mm3 \n\t" |
| "paddusw %%mm2, %%mm0 \n\t" |
| "paddusw %%mm3, %%mm1 \n\t" |
| "paddusw %%mm6, %%mm4 \n\t" |
| "paddusw %%mm6, %%mm5 \n\t" |
| "paddusw %%mm0, %%mm4 \n\t" |
| "paddusw %%mm1, %%mm5 \n\t" |
| "psrlw $2, %%mm4 \n\t" |
| "psrlw $2, %%mm5 \n\t" |
| "movq (%2, %%"REG_a"), %%mm3 \n\t" |
| "packuswb %%mm5, %%mm4 \n\t" |
| "pcmpeqd %%mm2, %%mm2 \n\t" |
| "paddb %%mm2, %%mm2 \n\t" |
| PAVGB_MMX(%%mm3, %%mm4, %%mm5, %%mm2) |
| "movq %%mm5, (%2, %%"REG_a") \n\t" |
| "add %3, %%"REG_a" \n\t" |
| |
| "movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3 |
| "movq 1(%1, %%"REG_a"), %%mm4 \n\t" |
| "movq %%mm2, %%mm3 \n\t" |
| "movq %%mm4, %%mm5 \n\t" |
| "punpcklbw %%mm7, %%mm2 \n\t" |
| "punpcklbw %%mm7, %%mm4 \n\t" |
| "punpckhbw %%mm7, %%mm3 \n\t" |
| "punpckhbw %%mm7, %%mm5 \n\t" |
| "paddusw %%mm2, %%mm4 \n\t" |
| "paddusw %%mm3, %%mm5 \n\t" |
| "paddusw %%mm6, %%mm0 \n\t" |
| "paddusw %%mm6, %%mm1 \n\t" |
| "paddusw %%mm4, %%mm0 \n\t" |
| "paddusw %%mm5, %%mm1 \n\t" |
| "psrlw $2, %%mm0 \n\t" |
| "psrlw $2, %%mm1 \n\t" |
| "movq (%2, %%"REG_a"), %%mm3 \n\t" |
| "packuswb %%mm1, %%mm0 \n\t" |
| "pcmpeqd %%mm2, %%mm2 \n\t" |
| "paddb %%mm2, %%mm2 \n\t" |
| PAVGB_MMX(%%mm3, %%mm0, %%mm1, %%mm2) |
| "movq %%mm1, (%2, %%"REG_a") \n\t" |
| "add %3, %%"REG_a" \n\t" |
| |
| "subl $2, %0 \n\t" |
| "jnz 1b \n\t" |
| :"+g"(h), "+S"(pixels) |
| :"D"(block), "r"((x86_reg)line_size) |
| :REG_a, "memory"); |
| } |
