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-rw-r--r--src/libspeex/cb_search_arm4.h137
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diff --git a/src/libspeex/cb_search_arm4.h b/src/libspeex/cb_search_arm4.h
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--- a/src/libspeex/cb_search_arm4.h
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-/* Copyright (C) 2004 Jean-Marc Valin */
-/**
- @file cb_search_arm4.h
- @brief Fixed codebook 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.
-*/
-
-/* This optimization is temporaly disabled until it is fixed to account for the fact
- that "r" is now a 16-bit array */
-#if 0
-#define OVERRIDE_COMPUTE_WEIGHTED_CODEBOOK
-static void compute_weighted_codebook(const signed char *shape_cb, const spx_word16_t *r, spx_word16_t *resp, spx_word16_t *resp2, spx_word32_t *E, int shape_cb_size, int subvect_size, char *stack)
-{
- int i, j, k;
- //const signed char *shape;
- for (i=0;i<shape_cb_size;i+=4)
- {
-
- //shape = shape_cb;
- E[0]=0;
- E[1]=0;
- E[2]=0;
- E[3]=0;
-
- /* Compute codeword response using convolution with impulse response */
- for(j=0;j<subvect_size;j++)
- {
-#if 1
- spx_word16_t *res;
- res = resp+j;
- spx_word32_t resj0,resj1,resj2,resj3;
- spx_word32_t 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"
- ".weighted%=: \n\t"
- "ldrsb %8, [%6] \n\t"
- "ldr %10, [%5], #-4 \n\t"
- "mov %9, %6 \n\t"
- "ldrsb %11, [%9, %7]! \n\t"
- "mla %0, %10, %8, %0 \n\t"
- "ldrsb %8, [%9, %7]! \n\t"
- "mla %1, %10, %11, %1 \n\t"
- "ldrsb %11, [%9, %7]! \n\t"
- "mla %2, %10, %8, %2 \n\t"
- "subs %4, %4, #1 \n\t"
- "mla %3, %10, %11, %3 \n\t"
- "add %6, %6, #1 \n\t"
- "bne .weighted%= \n\t"
- : "=r" (resj0), "=r" (resj1), "=r" (resj2), "=r" (resj3),
- "=r" (dead1), "=r" (dead2), "=r" (dead3), "=r" (dead4),
- "=r" (dead5), "=r" (dead6), "=r" (dead7), "=r" (dead8)
- : "4" (j+1), "5" (r+j), "6" (shape_cb), "7" (subvect_size)
- : "cc", "memory");
-#else
- spx_word16_t *res;
- res = resp+j;
- spx_word32_t resj0=0;
- spx_word32_t resj1=0;
- spx_word32_t resj2=0;
- spx_word32_t resj3=0;
- for (k=0;k<=j;k++)
- {
- const signed char *shape=shape_cb+k;
- resj0 = MAC16_16(resj0,*shape,r[j-k]);
- shape += subvect_size;
- resj1 = MAC16_16(resj1,*shape,r[j-k]);
- shape += subvect_size;
- resj2 = MAC16_16(resj2,*shape,r[j-k]);
- shape += subvect_size;
- resj3 = MAC16_16(resj3,*shape,r[j-k]);
- shape += subvect_size;
- }
-#endif
-
-#ifdef FIXED_POINT
- resj0 = SHR(resj0, 11);
- resj1 = SHR(resj1, 11);
- resj2 = SHR(resj2, 11);
- resj3 = SHR(resj3, 11);
-#else
- resj0 *= 0.03125;
- resj1 *= 0.03125;
- resj2 *= 0.03125;
- resj3 *= 0.03125;
-#endif
-
- /* Compute codeword energy */
- E[0]=ADD32(E[0],MULT16_16(resj0,resj0));
- E[1]=ADD32(E[1],MULT16_16(resj1,resj1));
- E[2]=ADD32(E[2],MULT16_16(resj2,resj2));
- E[3]=ADD32(E[3],MULT16_16(resj3,resj3));
- *res = resj0;
- res += subvect_size;
- *res = resj1;
- res += subvect_size;
- *res = resj2;
- res += subvect_size;
- *res = resj3;
- res += subvect_size;
- }
- resp += subvect_size<<2;
- shape_cb += subvect_size<<2;
- E+=4;
- }
-
-}
-#endif