diff options
Diffstat (limited to 'drivers/speex/ltp_arm4.h')
| -rw-r--r-- | drivers/speex/ltp_arm4.h | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/drivers/speex/ltp_arm4.h b/drivers/speex/ltp_arm4.h deleted file mode 100644 index cdb94e603a..0000000000 --- a/drivers/speex/ltp_arm4.h +++ /dev/null @@ -1,187 +0,0 @@ -/* Copyright (C) 2004 Jean-Marc Valin */ -/** - @file ltp_arm4.h - @brief Long-Term Prediction functions (ARM4 version) -*/ -/* - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - 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. - - - Neither the name of the Xiph.org Foundation 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 COPYRIGHT HOLDERS AND CONTRIBUTORS - ``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 FOUNDATION OR - CONTRIBUTORS 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. -*/ - -#define OVERRIDE_INNER_PROD -spx_word32_t inner_prod(const spx_word16_t *x, const spx_word16_t *y, int len) -{ - spx_word32_t sum1=0,sum2=0; - spx_word16_t *deadx, *deady; - int deadlen, dead1, dead2, dead3, dead4, dead5, dead6; - __asm__ __volatile__ ( - "\tldrsh %5, [%0], #2 \n" - "\tldrsh %6, [%1], #2 \n" - ".inner_prod_loop%=:\n" - "\tsub %7, %7, %7\n" - "\tsub %10, %10, %10\n" - - "\tldrsh %8, [%0], #2 \n" - "\tldrsh %9, [%1], #2 \n" - "\tmla %7, %5, %6, %7\n" - "\tldrsh %5, [%0], #2 \n" - "\tldrsh %6, [%1], #2 \n" - "\tmla %10, %8, %9, %10\n" - "\tldrsh %8, [%0], #2 \n" - "\tldrsh %9, [%1], #2 \n" - "\tmla %7, %5, %6, %7\n" - "\tldrsh %5, [%0], #2 \n" - "\tldrsh %6, [%1], #2 \n" - "\tmla %10, %8, %9, %10\n" - - "\tldrsh %8, [%0], #2 \n" - "\tldrsh %9, [%1], #2 \n" - "\tmla %7, %5, %6, %7\n" - "\tldrsh %5, [%0], #2 \n" - "\tldrsh %6, [%1], #2 \n" - "\tmla %10, %8, %9, %10\n" - "\tldrsh %8, [%0], #2 \n" - "\tldrsh %9, [%1], #2 \n" - "\tmla %7, %5, %6, %7\n" - "\tldrsh %5, [%0], #2 \n" - "\tldrsh %6, [%1], #2 \n" - "\tmla %10, %8, %9, %10\n" - - "\tsubs %4, %4, #1\n" - "\tadd %2, %2, %7, asr #5\n" - "\tadd %3, %3, %10, asr #5\n" - "\tbne .inner_prod_loop%=\n" - : "=r" (deadx), "=r" (deady), "+r" (sum1), "+r" (sum2), - "=r" (deadlen), "=r" (dead1), "=r" (dead2), "=r" (dead3), - "=r" (dead4), "=r" (dead5), "=r" (dead6) - : "0" (x), "1" (y), "4" (len>>3) - : "cc" - ); - return (sum1+sum2)>>1; -} - -#define OVERRIDE_PITCH_XCORR -void pitch_xcorr(const spx_word16_t *_x, const spx_word16_t *_y, spx_word32_t *corr, int len, int nb_pitch, char *stack) -{ - int i,j; - for (i=0;i<nb_pitch;i+=4) - { - /* Compute correlation*/ - //corr[nb_pitch-1-i]=inner_prod(x, _y+i, len); - spx_word32_t sum1=0; - spx_word32_t sum2=0; - spx_word32_t sum3=0; - spx_word32_t sum4=0; - const spx_word16_t *y = _y+i; - const spx_word16_t *x = _x; - spx_word32_t y0, y1, y2, y3; - y0=*y++; - y1=*y++; - y2=*y++; - y3=*y++; - for (j=0;j<len;j+=4) - { - spx_word32_t part1, part2, part3, part4, x0; - spx_word32_t dead1; - __asm__ __volatile__ ( -#ifdef SHORTCUTS - "\tldrsh %10, [%8], #4 \n" - "\tmul %4, %10, %0 \n" - "\tldrsh %15, [%8], #4 \n" - "\tmul %5, %10, %1 \n" - "\tldrsh %0, [%9], #2 \n" - "\tmul %6, %10, %2 \n" - "\tldrsh %1, [%9], #2 \n" - "\tmul %7, %10, %3 \n" - - - "\tmla %4, %15, %2, %4 \n" - "\tldrsh %2, [%9], #2 \n" - "\tmla %5, %15, %3, %5 \n" - "\tldrsh %3, [%9], #2 \n" - "\tmla %6, %15, %0, %6 \n" - "\tmla %7, %15, %1, %7 \n" - -#else - "\tldrsh %10, [%8], #2 \n" - "\tmul %4, %10, %0 \n" - "\tmul %5, %10, %1 \n" - "\tmul %6, %10, %2 \n" - "\tmul %7, %10, %3 \n" - - "\tldrsh %10, [%8], #2 \n" - "\tldrsh %0, [%9], #2 \n" - "\tmla %4, %10, %1, %4 \n" - "\tmla %5, %10, %2, %5 \n" - "\tmla %6, %10, %3, %6 \n" - "\tmla %7, %10, %0, %7 \n" - - "\tldrsh %10, [%8], #2 \n" - "\tldrsh %1, [%9], #2 \n" - "\tmla %4, %10, %2, %4 \n" - "\tmla %5, %10, %3, %5 \n" - "\tmla %6, %10, %0, %6 \n" - "\tmla %7, %10, %1, %7 \n" - - "\tldrsh %10, [%8], #2 \n" - "\tldrsh %2, [%9], #2 \n" - "\tmla %4, %10, %3, %4 \n" - "\tmla %5, %10, %0, %5 \n" - "\tmla %6, %10, %1, %6 \n" - "\tmla %7, %10, %2, %7 \n" - - "\tldrsh %3, [%9], #2 \n" -#endif - - "\tldr %10, %11 \n" - "\tldr %15, %12 \n" - "\tadd %4, %10, %4, asr #6 \n" - "\tstr %4, %11 \n" - "\tldr %10, %13 \n" - "\tadd %5, %15, %5, asr #6 \n" - "\tstr %5, %12 \n" - "\tldr %15, %14 \n" - "\tadd %6, %10, %6, asr #6 \n" - "\tadd %7, %15, %7, asr #6 \n" - "\tstr %6, %13 \n" - "\tstr %7, %14 \n" - - : "+r" (y0), "+r" (y1), "+r" (y2), "+r" (y3), - "=r" (part1), "=r" (part2), "=r" (part3), "=r" (part4), - "+r" (x), "+r" (y), "=r" (x0), "+m" (sum1), - "+m" (sum2), "+m" (sum3), "+m" (sum4), "=r" (dead1) - : - : "cc", "memory" - ); - } - corr[nb_pitch-1-i]=sum1; - corr[nb_pitch-2-i]=sum2; - corr[nb_pitch-3-i]=sum3; - corr[nb_pitch-4-i]=sum4; - } - -} |