diff options
Diffstat (limited to 'drivers/speex/vq_arm4.h')
| -rw-r--r-- | drivers/speex/vq_arm4.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/drivers/speex/vq_arm4.h b/drivers/speex/vq_arm4.h deleted file mode 100644 index 585b8613c5..0000000000 --- a/drivers/speex/vq_arm4.h +++ /dev/null @@ -1,115 +0,0 @@ -/* Copyright (C) 2004 Jean-Marc Valin */ -/** - @file vq_arm4.h - @brief ARM4-optimized vq routine -*/ -/* - 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_VQ_NBEST -void vq_nbest(spx_word16_t *in, const spx_word16_t *codebook, int len, int entries, spx_word32_t *E, int N, int *nbest, spx_word32_t *best_dist, char *stack) -{ - int i,j; - for (i=0;i<entries;i+=4) - { -#if 1 - spx_word32_t dist1, dist2, dist3, dist4; - int dead1, dead2, dead3, dead4, dead5, dead6, dead7, dead8; - __asm__ __volatile__ ( - "mov %0, #0 \n\t" - "mov %1, #0 \n\t" - "mov %2, #0 \n\t" - "mov %3, #0 \n\t" - "mov %10, %4 \n\t" - "add %4, %4, %4\n\t" - ".vqloop%=:\n\t" - "ldrsh %7, [%5], #2 \n\t" - "ldrsh %8, [%6] \n\t" - "mov %9, %6 \n\t" - "mla %0, %7, %8, %0 \n\t" - "ldrsh %8, [%9, %4]! \n\t" - "mla %1, %7, %8, %1 \n\t" - "ldrsh %8, [%9, %4]!\n\t" - "mla %2, %7, %8, %2 \n\t" - "ldrsh %8, [%9, %4]! \n\t" - "mla %3, %7, %8, %3 \n\t" - "subs %10, %10, #1 \n\t" - "add %6, %6, #2 \n\t" - "bne .vqloop%=" - : "=r" (dist1), "=r" (dist2), "=r" (dist3), "=r" (dist4), - "=r" (dead1), "=r" (dead2), "=r" (codebook), "=r" (dead4), - "=r" (dead5), "=r" (dead6), "=r" (dead7) - : "4" (len), "5" (in), "6" (codebook) - : "cc"); -#else -dist1=dist2=dist3=dist4=0; - /* spx_word32_t dist1=0; - spx_word32_t dist2=0; - spx_word32_t dist3=0; - spx_word32_t dist4=0;*/ - for (j=0;j<2;j++) - { - const spx_word16_t *code = codebook; - dist1 = MAC16_16(dist1,in[j],*code); - code += len; - dist2 = MAC16_16(dist2,in[j],*code); - code += len; - dist3 = MAC16_16(dist3,in[j],*code); - code += len; - dist4 = MAC16_16(dist4,in[j],*code); - codebook++; - } -#endif - dist1=SUB32(SHR(*E++,1),dist1); - if (dist1<*best_dist || i==0) - { - *best_dist=dist1; - *nbest=i; - } - dist2=SUB32(SHR(*E++,1),dist2); - if (dist2<*best_dist) - { - *best_dist=dist2; - *nbest=i+1; - } - dist3=SUB32(SHR(*E++,1),dist3); - if (dist3<*best_dist) - { - *best_dist=dist3; - *nbest=i+2; - } - dist4=SUB32(SHR(*E++,1),dist4); - if (dist4<*best_dist) - { - *best_dist=dist4; - *nbest=i+3; - } - codebook += 3*len; - } -} |