diff options
Diffstat (limited to 'drivers/speex/lsp_bfin.h')
| -rw-r--r-- | drivers/speex/lsp_bfin.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/drivers/speex/lsp_bfin.h b/drivers/speex/lsp_bfin.h deleted file mode 100644 index 20e505287e..0000000000 --- a/drivers/speex/lsp_bfin.h +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright (C) 2006 David Rowe */ -/** - @file lsp_bfin.h - @author David Rowe - @brief LSP routines optimised for the Blackfin -*/ -/* - 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_CHEB_POLY_EVA -#ifdef OVERRIDE_CHEB_POLY_EVA -static inline spx_word32_t cheb_poly_eva( - spx_word16_t *coef, /* P or Q coefs in Q13 format */ - spx_word16_t x, /* cos of freq (-1.0 to 1.0) in Q14 format */ - int m, /* LPC order/2 */ - char *stack -) -{ - spx_word32_t sum; - - __asm__ __volatile__ - ( - "P0 = %2;\n\t" /* P0: coef[m], coef[m-1],..., coef[0] */ - "R4 = 8192;\n\t" /* R4: rounding constant */ - "R2 = %1;\n\t" /* R2: x */ - - "R5 = -16383;\n\t" - "R2 = MAX(R2,R5);\n\t" - "R5 = 16383;\n\t" - "R2 = MIN(R2,R5);\n\t" - - "R3 = W[P0--] (X);\n\t" /* R3: sum */ - "R5 = W[P0--] (X);\n\t" - "R5 = R5.L * R2.L (IS);\n\t" - "R5 = R5 + R4;\n\t" - "R5 >>>= 14;\n\t" - "R3 = R3 + R5;\n\t" - - "R0 = R2;\n\t" /* R0: b0 */ - "R1 = 16384;\n\t" /* R1: b1 */ - "LOOP cpe%= LC0 = %3;\n\t" - "LOOP_BEGIN cpe%=;\n\t" - "P1 = R0;\n\t" - "R0 = R2.L * R0.L (IS) || R5 = W[P0--] (X);\n\t" - "R0 >>>= 13;\n\t" - "R0 = R0 - R1;\n\t" - "R1 = P1;\n\t" - "R5 = R5.L * R0.L (IS);\n\t" - "R5 = R5 + R4;\n\t" - "R5 >>>= 14;\n\t" - "R3 = R3 + R5;\n\t" - "LOOP_END cpe%=;\n\t" - "%0 = R3;\n\t" - : "=&d" (sum) - : "a" (x), "a" (&coef[m]), "a" (m-1) - : "R0", "R1", "R3", "R2", "R4", "R5", "P0", "P1" - ); - return sum; -} -#endif - - - |