/* * 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 is * 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: Zoran Lukic (zoranl@mips.com) * * 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 "config.h" #include "libavcodec/dsputil.h" static void vector_fmul_window_mips(float *dst, const float *src0, const float *src1, const float *win, int len) { int i, j; /* * variables used in inline assembler */ float * dst_i, * dst_j, * dst_i2, * dst_j2; float temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7; dst += len; win += len; src0 += len; for (i = -len, j = len - 1; i < 0; i += 8, j -= 8) { dst_i = dst + i; dst_j = dst + j; dst_i2 = dst + i + 4; dst_j2 = dst + j - 4; __asm__ volatile ( "mul.s %[temp], %[s1], %[wi] \n\t" "mul.s %[temp1], %[s1], %[wj] \n\t" "mul.s %[temp2], %[s11], %[wi1] \n\t" "mul.s %[temp3], %[s11], %[wj1] \n\t" "msub.s %[temp], %[temp], %[s0], %[wj] \n\t" "madd.s %[temp1], %[temp1], %[s0], %[wi] \n\t" "msub.s %[temp2], %[temp2], %[s01], %[wj1] \n\t" "madd.s %[temp3], %[temp3], %[s01], %[wi1] \n\t" "swc1 %[temp], 0(%[dst_i]) \n\t" /* dst[i] = s0*wj - s1*wi; */ "swc1 %[temp1], 0(%[dst_j]) \n\t" /* dst[j] = s0*wi + s1*wj; */ "swc1 %[temp2], 4(%[dst_i]) \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */ "swc1 %[temp3], -4(%[dst_j]) \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */ "mul.s %[temp4], %[s12], %[wi2] \n\t" "mul.s %[temp5], %[s12], %[wj2] \n\t" "mul.s %[temp6], %[s13], %[wi3] \n\t" "mul.s %[temp7], %[s13], %[wj3] \n\t" "msub.s %[temp4], %[temp4], %[s02], %[wj2] \n\t" "madd.s %[temp5], %[temp5], %[s02], %[wi2] \n\t" "msub.s %[temp6], %[temp6], %[s03], %[wj3] \n\t" "madd.s %[temp7], %[temp7], %[s03], %[wi3] \n\t" "swc1 %[temp4], 8(%[dst_i]) \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */ "swc1 %[temp5], -8(%[dst_j]) \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */ "swc1 %[temp6], 12(%[dst_i]) \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */ "swc1 %[temp7], -12(%[dst_j]) \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */ : [temp]"=&f"(temp), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6), [temp7]"=&f"(temp7) : [dst_j]"r"(dst_j), [dst_i]"r" (dst_i), [s0] "f"(src0[i]), [wj] "f"(win[j]), [s1] "f"(src1[j]), [wi] "f"(win[i]), [s01]"f"(src0[i + 1]),[wj1]"f"(win[j - 1]), [s11]"f"(src1[j - 1]), [wi1]"f"(win[i + 1]), [s02]"f"(src0[i + 2]), [wj2]"f"(win[j - 2]), [s12]"f"(src1[j - 2]),[wi2]"f"(win[i + 2]), [s03]"f"(src0[i + 3]), [wj3]"f"(win[j - 3]), [s13]"f"(src1[j - 3]), [wi3]"f"(win[i + 3]) : "memory" ); __asm__ volatile ( "mul.s %[temp], %[s1], %[wi] \n\t" "mul.s %[temp1], %[s1], %[wj] \n\t" "mul.s %[temp2], %[s11], %[wi1] \n\t" "mul.s %[temp3], %[s11], %[wj1] \n\t" "msub.s %[temp], %[temp], %[s0], %[wj] \n\t" "madd.s %[temp1], %[temp1], %[s0], %[wi] \n\t" "msub.s %[temp2], %[temp2], %[s01], %[wj1] \n\t" "madd.s %[temp3], %[temp3], %[s01], %[wi1] \n\t" "swc1 %[temp], 0(%[dst_i2]) \n\t" /* dst[i] = s0*wj - s1*wi; */ "swc1 %[temp1], 0(%[dst_j2]) \n\t" /* dst[j] = s0*wi + s1*wj; */ "swc1 %[temp2], 4(%[dst_i2]) \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */ "swc1 %[temp3], -4(%[dst_j2]) \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */ "mul.s %[temp4], %[s12], %[wi2] \n\t" "mul.s %[temp5], %[s12], %[wj2] \n\t" "mul.s %[temp6], %[s13], %[wi3] \n\t" "mul.s %[temp7], %[s13], %[wj3] \n\t" "msub.s %[temp4], %[temp4], %[s02], %[wj2] \n\t" "madd.s %[temp5], %[temp5], %[s02], %[wi2] \n\t" "msub.s %[temp6], %[temp6], %[s03], %[wj3] \n\t" "madd.s %[temp7], %[temp7], %[s03], %[wi3] \n\t" "swc1 %[temp4], 8(%[dst_i2]) \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */ "swc1 %[temp5], -8(%[dst_j2]) \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */ "swc1 %[temp6], 12(%[dst_i2]) \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */ "swc1 %[temp7], -12(%[dst_j2]) \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */ : [temp]"=&f"(temp), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6), [temp7] "=&f" (temp7) : [dst_j2]"r"(dst_j2), [dst_i2]"r"(dst_i2), [s0] "f"(src0[i + 4]), [wj] "f"(win[j - 4]), [s1] "f"(src1[j - 4]), [wi] "f"(win[i + 4]), [s01]"f"(src0[i + 5]),[wj1]"f"(win[j - 5]), [s11]"f"(src1[j - 5]), [wi1]"f"(win[i + 5]), [s02]"f"(src0[i + 6]), [wj2]"f"(win[j - 6]), [s12]"f"(src1[j - 6]),[wi2]"f"(win[i + 6]), [s03]"f"(src0[i + 7]), [wj3]"f"(win[j - 7]), [s13]"f"(src1[j - 7]), [wi3]"f"(win[i + 7]) : "memory" ); } } av_cold void ff_dsputil_init_mips( DSPContext* c, AVCodecContext *avctx ) { c->vector_fmul_window = vector_fmul_window_mips; }