/*! * \copy * Copyright (c) 2013, Cisco Systems * All rights reserved. * * 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. * * 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 * COPYRIGHT HOLDER 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. * */#ifdef HAVE_NEON#include "arm_arch_common_macro.S"WELS_ASM_FUNC_BEGIN WelsProcessingSampleSad8x8_neon stmdb sp!, {lr} //Loading a horizontal line data (8 bytes) vld1.8 {d0}, [r0], r1 vld1.8 {d1}, [r2], r3 //Do the SAD for 8 bytes vabdl.u8 q1, d0, d1 mov lr, #7pixel_sad_8x8_loop0: //Loading a horizontal line data (8 bytes) vld1.8 {d0}, [r0], r1 vld1.8 {d1}, [r2], r3 subs lr, #1 //Do the SAD for 8 bytes vabal.u8 q1, d0, d1 bne pixel_sad_8x8_loop0 vadd.u16 d2, d3 vpaddl.u16 d2, d2 vpaddl.u32 d2, d2 vmov.u32 r0, d2[0]//TBO... ldmia sp!, {lr}WELS_ASM_FUNC_END#endif
/*!
* \copy
* Copyright (c) 2013, Cisco Systems
* All rights reserved.
*
* 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.
*
* 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
* COPYRIGHT HOLDER 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.
*
*/
#ifdef HAVE_NEON
#include "arm_arch_common_macro.S"
WELS_ASM_FUNC_BEGIN WelsProcessingSampleSad8x8_neon
stmdb sp!, {lr}
//Loading a horizontal line data (8 bytes)
vld1.8 {d0}, [r0], r1
vld1.8 {d1}, [r2], r3
//Do the SAD for 8 bytes
vabdl.u8 q1, d0, d1
mov lr, #7
pixel_sad_8x8_loop0:
//Loading a horizontal line data (8 bytes)
vld1.8 {d0}, [r0], r1
vld1.8 {d1}, [r2], r3
subs lr, #1
//Do the SAD for 8 bytes
vabal.u8 q1, d0, d1
bne pixel_sad_8x8_loop0
vadd.u16 d2, d3
vpaddl.u16 d2, d2
vpaddl.u32 d2, d2
vmov.u32 r0, d2[0]//TBO...
ldmia sp!, {lr}
WELS_ASM_FUNC_END
#endif