diff options
Diffstat (limited to 'ffmpeg/libavcodec/mips/celp_math_mips.c')
| -rw-r--r-- | ffmpeg/libavcodec/mips/celp_math_mips.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/ffmpeg/libavcodec/mips/celp_math_mips.c b/ffmpeg/libavcodec/mips/celp_math_mips.c deleted file mode 100644 index d7ccc23..0000000 --- a/ffmpeg/libavcodec/mips/celp_math_mips.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 2012 - * MIPS Technologies, Inc., California. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * Author: Nedeljko Babic (nbabic@mips.com) - * - * Math operations optimized for MIPS - * - * 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 - */ - -/** - * @file - * Reference: libavcodec/celp_math.c - */ -#include "config.h" -#include "libavcodec/celp_math.h" - -#if HAVE_INLINE_ASM -static float ff_dot_productf_mips(const float* a, const float* b, - int length) -{ - float sum; - const float* a_end = a + length; - - __asm__ volatile ( - "mtc1 $zero, %[sum] \n\t" - "blez %[length], ff_dot_productf_end%= \n\t" - "ff_dot_productf_madd%=: \n\t" - "lwc1 $f2, 0(%[a]) \n\t" - "lwc1 $f1, 0(%[b]) \n\t" - "addiu %[a], %[a], 4 \n\t" - "addiu %[b], %[b], 4 \n\t" - "madd.s %[sum], %[sum], $f1, $f2 \n\t" - "bne %[a], %[a_end], ff_dot_productf_madd%= \n\t" - "ff_dot_productf_end%=: \n\t" - - : [sum] "=&f" (sum), [a] "+r" (a), [b] "+r" (b) - : [a_end]"r"(a_end), [length] "r" (length) - : "$f1", "$f2", "memory" - ); - return sum; -} -#endif /* HAVE_INLINE_ASM */ - -void ff_celp_math_init_mips(CELPMContext *c) -{ -#if HAVE_INLINE_ASM - c->dot_productf = ff_dot_productf_mips; -#endif -} |
