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Diffstat (limited to 'src/libspeex/cb_search_bfin.h')
| -rw-r--r-- | src/libspeex/cb_search_bfin.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/src/libspeex/cb_search_bfin.h b/src/libspeex/cb_search_bfin.h deleted file mode 100644 index ae9cf834..00000000 --- a/src/libspeex/cb_search_bfin.h +++ /dev/null @@ -1,112 +0,0 @@ -/* Copyright (C) 2005 Analog Devices */ -/** - @author Jean-Marc Valin - @file cb_search_bfin.h - @brief Fixed codebook functions (Blackfin 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_COMPUTE_WEIGHTED_CODEBOOK -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; - for (i=0;i<shape_cb_size;i++) - { - __asm__ __volatile__ ( - "P0 = %0;\n\t" - "LC0 = P0;\n\t" - "P1 = %1;\n\t" - "P2 = %2;\n\t" - "P3 = %3;\n\t" - "P0 = 1;\n\t" - "L0 = 0;\n\t" - "L1 = 0;\n\t" - "R2 = 0;\n\t" - "A1 = 0;\n\t" - "LOOP outter%= LC0;\n\t" - "LOOP_BEGIN outter%=;\n\t" - "A0 = 0;\n\t" - "P4 = P1;\n\t" - "I1 = P2;\n\t" - "R0 = B[P4++] (X) || R1.L = W[I1--];\n\t" - "LOOP inner%= LC1 = P0;\n\t" - "LOOP_BEGIN inner%=;\n\t" - "A0 += R0.L*R1.L (IS) || R0 = B[P4++] (X) || R1.L = W[I1--];\n\t" - "LOOP_END inner%=;\n\t" - "R0 = A0;\n\t" - "R0 >>>= 13;\n\t" - "A1 += R0.L*R0.L (IS);\n\t" - "W[P3++] = R0;\n\t" - "P0 += 1;\n\t" - "P2 += 2;\n\t" - "LOOP_END outter%=;\n\t" - "P4 = %4;\n\t" - "R1 = A1;\n\t" - "[P4] = R1;\n\t" - : - : "m" (subvect_size), "m" (shape_cb), "m" (r), "m" (resp), "m" (E) - : "A0", "P0", "P1", "P2", "P3", "P4", "R0", "R1", "R2", "I0", "I1", "L0", - "L1", "A0", "A1", "memory" -#if !(__GNUC__ == 3) - , "LC0", "LC1" /* gcc 3.4 doesn't know about LC registers */ -#endif - ); - shape_cb += subvect_size; - resp += subvect_size; - E++; - } -} - -#define OVERRIDE_TARGET_UPDATE -static inline void target_update(spx_word16_t *t, spx_word16_t g, spx_word16_t *r, int len) -{ - if (!len) - return; - __asm__ __volatile__ - ( - "I0 = %0;\n\t" - "I1 = %1;\n\t" - "L0 = 0;\n\t" - "L1 = 0;\n\t" - "R2 = 4096;\n\t" - "LOOP tupdate%= LC0 = %3;\n\t" - "LOOP_BEGIN tupdate%=;\n\t" - "R0.L = W[I0] || R1.L = W[I1++];\n\t" - "R1 = (A1 = R1.L*%2.L) (IS);\n\t" - "R1 = R1 + R2;\n\t" - "R1 >>>= 13;\n\t" - "R0.L = R0.L - R1.L;\n\t" - "W[I0++] = R0.L;\n\t" - "LOOP_END tupdate%=;\n\t" - : - : "a" (t), "a" (r), "d" (g), "a" (len) - : "R0", "R1", "R2", "A1", "I0", "I1", "L0", "L1" - ); -} |