forked from Mirrors/freeswitch
dced381e66
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3759 d0543943-73ff-0310-b7d9-9358b9ac24b2
55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/* 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;
|
|
}
|