ref: 1e34a61dd60fc45bc1a7f668162dc7d7da340fa7
dir: /codec/encoder/core/arm/svc_motion_estimation.S/
/*!
* \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
.text
#include "arm_arch_common_macro.S"
WELS_ASM_FUNC_BEGIN SumOf8x8SingleBlock_neon
vld1.64 {d0}, [r0], r1
vld1.64 {d1}, [r0], r1
vld1.64 {d2}, [r0], r1
vld1.64 {d3}, [r0], r1
vld1.64 {d4}, [r0], r1
vld1.64 {d5}, [r0], r1
vld1.64 {d6}, [r0], r1
vld1.64 {d7}, [r0]
vpaddl.u8 q0, q0
vpadal.u8 q0, q1
vpadal.u8 q0, q2
vpadal.u8 q0, q3
vpaddl.u16 q0, q0
vpadd.i32 d0, d1
vpadd.i32 d0, d0
vmov r0, r1, d0
WELS_ASM_FUNC_END
WELS_ASM_FUNC_BEGIN SumOf16x16SingleBlock_neon
vld1.64 {q0}, [r0], r1
vpaddl.u8 q0, q0
.rept 15
vld1.64 {q1}, [r0], r1
vpadal.u8 q0, q1
.endr
vpaddl.u16 q0, q0
vpadd.i32 d0, d1
vpadd.i32 d0, d0
vmov r0, r1, d0
WELS_ASM_FUNC_END
WELS_ASM_FUNC_BEGIN SumOf8x8BlockOfFrame_neon
//(uint8_t* pRefPicture, const int32_t kiWidth, const int32_t kiHeight,const int32_t kiRefStride,uint16_t* pFeatureOfBlock, uint32_t pTimesOfFeatureValue[])
stmdb sp!, {r4-r8}
ldr r5, [sp, #24] //pTimesOfFeatureValue
ldr r4, [sp, #20] //pFeatureOfBlock
mov r8, r0
mov r6, r1
add r8, r6
add r4, r4, r6, lsl #1
_height_loop8x8:
mov r7, r6
_width_loop8x8:
subs r0, r8, r7
vld1.64 {d0}, [r0], r3
vld1.64 {d1}, [r0], r3
vld1.64 {d2}, [r0], r3
vld1.64 {d3}, [r0], r3
vld1.64 {d4}, [r0], r3
vld1.64 {d5}, [r0], r3
vld1.64 {d6}, [r0], r3
vld1.64 {d7}, [r0]
vpaddl.u8 q0, q0
vpadal.u8 q0, q1
vpadal.u8 q0, q2
vpadal.u8 q0, q3
vpaddl.u16 q0, q0
vpadd.i32 d0, d1
vpadd.i32 d0, d0
subs r1, r4, r7, lsl #1
vst1.16 {d0[0]}, [r1] // sum -> pFeatureOfBlock[i]
vmov r0, r1, d0
add r1, r5, r0, lsl #2
ldr r0, [r1]
add r0, #1
str r0, [r1]
subs r7, #1
bne _width_loop8x8
add r8, r3
add r4, r4, r6, lsl #1
subs r2, #1
bne _height_loop8x8
ldmia sp!, {r4-r8}
WELS_ASM_FUNC_END
WELS_ASM_FUNC_BEGIN SumOf16x16BlockOfFrame_neon
//(uint8_t* pRefPicture, const int32_t kiWidth, const int32_t kiHeight,const int32_t kiRefStride,uint16_t* pFeatureOfBlock, uint32_t pTimesOfFeatureValue[])
stmdb sp!, {r4-r8}
ldr r5, [sp, #24] //pTimesOfFeatureValue
ldr r4, [sp, #20] //pFeatureOfBlock
mov r8, r0
mov r6, r1
add r8, r6
add r4, r4, r6, lsl #1
_height_loop16x16:
mov r7, r6
_width_loop16x16:
subs r0, r8, r7
vld1.64 {q0}, [r0], r3
vpaddl.u8 q0, q0
.rept 15
vld1.64 {q1}, [r0], r3
vpadal.u8 q0, q1
.endr
vpaddl.u16 q0, q0
vpadd.i32 d0, d1
vpadd.i32 d0, d0
subs r1, r4, r7, lsl #1
vst1.16 {d0[0]}, [r1] // sum -> pFeatureOfBlock[i]
vmov r0, r1, d0
add r1, r5, r0, lsl #2
ldr r0, [r1]
add r0, #1
str r0, [r1]
subs r7, #1
bne _width_loop16x16
add r8, r3
add r4, r4, r6, lsl #1
subs r2, #1
bne _height_loop16x16
ldmia sp!, {r4-r8}
WELS_ASM_FUNC_END
#endif