diff options
Diffstat (limited to 'pjmedia/src/pjmedia-codec/speex/fixed_bfin.h')
| -rw-r--r-- | pjmedia/src/pjmedia-codec/speex/fixed_bfin.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/pjmedia/src/pjmedia-codec/speex/fixed_bfin.h b/pjmedia/src/pjmedia-codec/speex/fixed_bfin.h deleted file mode 100644 index aa26f6a8..00000000 --- a/pjmedia/src/pjmedia-codec/speex/fixed_bfin.h +++ /dev/null @@ -1,173 +0,0 @@ -/* Copyright (C) 2005 Analog Devices - Author: Jean-Marc Valin */ -/** - @file fixed_bfin.h - @brief Blackfin fixed-point operations -*/ -/* - 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. -*/ - -#ifndef FIXED_BFIN_H -#define FIXED_BFIN_H - -#undef PDIV32_16 -static inline spx_word16_t PDIV32_16(spx_word32_t a, spx_word16_t b) -{ - spx_word32_t res, bb; - bb = b; - a += b>>1; - __asm__ ( - "P0 = 15;\n\t" - "R0 = %1;\n\t" - "R1 = %2;\n\t" - //"R0 = R0 + R1;\n\t" - "R0 <<= 1;\n\t" - "DIVS (R0, R1);\n\t" - "LOOP divide%= LC0 = P0;\n\t" - "LOOP_BEGIN divide%=;\n\t" - "DIVQ (R0, R1);\n\t" - "LOOP_END divide%=;\n\t" - "R0 = R0.L;\n\t" - "%0 = R0;\n\t" - : "=m" (res) - : "m" (a), "m" (bb) - : "P0", "R0", "R1", "cc"); - return res; -} - -#undef DIV32_16 -static inline spx_word16_t DIV32_16(spx_word32_t a, spx_word16_t b) -{ - spx_word32_t res, bb; - bb = b; - /* Make the roundinf consistent with the C version - (do we need to do that?)*/ - if (a<0) - a += (b-1); - __asm__ ( - "P0 = 15;\n\t" - "R0 = %1;\n\t" - "R1 = %2;\n\t" - "R0 <<= 1;\n\t" - "DIVS (R0, R1);\n\t" - "LOOP divide%= LC0 = P0;\n\t" - "LOOP_BEGIN divide%=;\n\t" - "DIVQ (R0, R1);\n\t" - "LOOP_END divide%=;\n\t" - "R0 = R0.L;\n\t" - "%0 = R0;\n\t" - : "=m" (res) - : "m" (a), "m" (bb) - : "P0", "R0", "R1", "cc"); - return res; -} - -#undef MAX16 -static inline spx_word16_t MAX16(spx_word16_t a, spx_word16_t b) -{ - spx_word32_t res; - __asm__ ( - "%1 = %1.L (X);\n\t" - "%2 = %2.L (X);\n\t" - "%0 = MAX(%1,%2);" - : "=d" (res) - : "%d" (a), "d" (b) - ); - return res; -} - -#undef MULT16_32_Q15 -static inline spx_word32_t MULT16_32_Q15(spx_word16_t a, spx_word32_t b) -{ - spx_word32_t res; - __asm__ - ( - "A1 = %2.L*%1.L (M);\n\t" - "A1 = A1 >>> 15;\n\t" - "%0 = (A1 += %2.L*%1.H) ;\n\t" - : "=&W" (res), "=&d" (b) - : "d" (a), "1" (b) - : "A1" - ); - return res; -} - -#undef MAC16_32_Q15 -static inline spx_word32_t MAC16_32_Q15(spx_word32_t c, spx_word16_t a, spx_word32_t b) -{ - spx_word32_t res; - __asm__ - ( - "A1 = %2.L*%1.L (M);\n\t" - "A1 = A1 >>> 15;\n\t" - "%0 = (A1 += %2.L*%1.H);\n\t" - "%0 = %0 + %4;\n\t" - : "=&W" (res), "=&d" (b) - : "d" (a), "1" (b), "d" (c) - : "A1" - ); - return res; -} - -#undef MULT16_32_Q14 -static inline spx_word32_t MULT16_32_Q14(spx_word16_t a, spx_word32_t b) -{ - spx_word32_t res; - __asm__ - ( - "%2 <<= 1;\n\t" - "A1 = %1.L*%2.L (M);\n\t" - "A1 = A1 >>> 15;\n\t" - "%0 = (A1 += %1.L*%2.H);\n\t" - : "=W" (res), "=d" (a), "=d" (b) - : "1" (a), "2" (b) - : "A1" - ); - return res; -} - -#undef MAC16_32_Q14 -static inline spx_word32_t MAC16_32_Q14(spx_word32_t c, spx_word16_t a, spx_word32_t b) -{ - spx_word32_t res; - __asm__ - ( - "%1 <<= 1;\n\t" - "A1 = %2.L*%1.L (M);\n\t" - "A1 = A1 >>> 15;\n\t" - "%0 = (A1 += %2.L*%1.H);\n\t" - "%0 = %0 + %4;\n\t" - : "=&W" (res), "=&d" (b) - : "d" (a), "1" (b), "d" (c) - : "A1" - ); - return res; -} - -#endif |