| /* Copyright (C) 2005 Analog Devices */ |
| /** |
| @file misc_bfin.h |
| @author Jean-Marc Valin |
| @brief Various compatibility routines for Speex (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_SPEEX_MOVE |
| void *speex_move (void *dest, void *src, int n) |
| { |
| __asm__ __volatile__ |
| ( |
| "L0 = 0;\n\t" |
| "I0 = %0;\n\t" |
| "R0 = [I0++];\n\t" |
| "LOOP move%= LC0 = %2;\n\t" |
| "LOOP_BEGIN move%=;\n\t" |
| "[%1++] = R0 || R0 = [I0++];\n\t" |
| "LOOP_END move%=;\n\t" |
| "[%1++] = R0;\n\t" |
| : "=a" (src), "=a" (dest) |
| : "a" ((n>>2)-1), "0" (src), "1" (dest) |
| : "R0", "I0", "L0", "memory" |
| ); |
| return dest; |
| } |