ref: 975a3f88c42cf39193fbaf980693983be9d551d5
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
#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-r12}
ldr r5, [sp, #40] //pTimesOfFeatureValue
ldr r4, [sp, #36] //pFeatureOfBlock
mov r8, r0
mov r6, r1
add r8, r6
add r4, r4, r6, lsl #1
mov r7, r6
_width_loop8x8_1:
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_1
add r8, r3
add r4, r4, r6, lsl #1
subs r2, #1
beq _SumOf8x8BlockOfFrame_end
_height_loop8x8:
mov r7, r6
_width_loop8x8_2:
subs r0, r8, r7
subs r1, r4, r7, lsl #1
subs r9, r1, r6, lsl #1 // last line of pFeatureOfBlock[i]
ldrh r10, [r9] // sum of last line of pFeatureOfBlock[i]
subs r11, r0, r3
vld1.64 {d1}, [r11]
add r0, r11, r3, lsl #3
vld1.64 {d0}, [r0] //
vpaddl.u8 q0, q0
vpadd.u16 d0, d0, d1
vpaddl.u16 d0, d0
vmov r11, r12, d0
subs r10, r12
add r0, r10, r11
strh r0, [r1] // sum -> pFeatureOfBlock[i]
add r1, r5, r0, lsl #2
ldr r0, [r1]
add r0, #1
str r0, [r1]
subs r7, #1
bne _width_loop8x8_2
add r8, r3
add r4, r4, r6, lsl #1
subs r2, #1
bne _height_loop8x8
_SumOf8x8BlockOfFrame_end:
ldmia sp!, {r4-r12}
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-r12}
ldr r5, [sp, #40] //pTimesOfFeatureValue
ldr r4, [sp, #36] //pFeatureOfBlock
mov r8, r0
mov r6, r1
add r8, r6
add r4, r4, r6, lsl #1
mov r7, r6
_width_loop16x16_1:
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_1
add r8, r3
add r4, r4, r6, lsl #1
subs r2, #1
beq _SumOf16x16BlockOfFrame_neon_end
_height_loop16x16:
mov r7, r6
_width_loop16x16_2:
subs r0, r8, r7
subs r1, r4, r7, lsl #1
subs r9, r1, r6, lsl #1 // last line of pFeatureOfBlock[i]
ldrh r10, [r9] // sum of last line of pFeatureOfBlock[i]
subs r11, r0, r3
vld1.64 {q1}, [r11]
add r0, r11, r3, lsl #4
vld1.64 {q0}, [r0] //
vpaddl.u8 q0, q0
vpaddl.u8 q1, q1
vpadd.u16 d0, d0, d1
vpadd.u16 d1, d2, d3
vpadd.u16 d0, d0, d1
vpaddl.u16 d0, d0
vmov r11, r12, d0
subs r10, r12
add r0, r10, r11
strh r0, [r1] // sum -> pFeatureOfBlock[i]
add r1, r5, r0, lsl #2
ldr r0, [r1]
add r0, #1
str r0, [r1]
subs r7, #1
bne _width_loop16x16_2
add r8, r3
add r4, r4, r6, lsl #1
subs r2, #1
bne _height_loop16x16
_SumOf16x16BlockOfFrame_neon_end:
ldmia sp!, {r4-r12}
WELS_ASM_FUNC_END
WELS_ASM_FUNC_BEGIN InitializeHashforFeature_neon
// (uint32_t* pTimesOfFeatureValue, uint16_t* pBuf, const int32_t kiListSize, uint16_t** pLocationOfFeature, uint16_t** pFeatureValuePointerList);
stmdb sp!, {r4-r7}
ldr r4, [sp, #16] //pFeatureValuePointerList
bic r5, r2, #3
_hash_assign_loop_x4:
vld1.64 {q0}, [r0]!
vshl.u32 q0, q0, #2
vceq.u32 q1, q0, #0
vand.i32 d2, d2, d3
vmov r6, r7, d2
and r6, r6, r7
cmp r6, #0xffffffff
beq _hash_assign_with_copy_x4
veor q1, q1
vext.32 q2, q1, q0, #3
vext.32 q3, q1, q0, #2
vext.32 q4, q1, q0, #1
vadd.u32 q0, q0, q2
vadd.u32 q0, q0, q3
vadd.u32 q0, q0, q4
vext.32 q2, q1, q0, #3
vdup.32 q3, r1
vadd.u32 q2, q2, q3
vst1.64 {q2}, [r3]!
vst1.64 {q2}, [r4]!
vmov.32 r6, d1[1]
add r1, r1, r6
b _assign_next
_hash_assign_with_copy_x4:
vdup.32 q2, r1
vst1.64 {q2}, [r3]!
vst1.64 {q2}, [r4]!
_assign_next:
subs r5, r5, #4
bne _hash_assign_loop_x4
and r5, r2, #3
cmp r5, #0
beq _hash_assign_end
_hash_assign_loop_x4_rem:
str r1, [r3], #4
str r1, [r4], #4
ldr r7, [r0], #4
lsl r7, r7, #2
add r1, r1, r7
subs r5, r5, #1
bne _hash_assign_loop_x4_rem
_hash_assign_end:
ldmia sp!, {r4-r7}
WELS_ASM_FUNC_END
.align 4
mv_x_inc_x4: .short 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00
mv_y_inc_x4: .short 0x04, 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00
mx_x_offset_x4: .short 0x00, 0x04, 0x08, 0x0c, 0x00, 0x00, 0x00, 0x00
WELS_ASM_FUNC_BEGIN FillQpelLocationByFeatureValue_neon
// void (uint16_t* pFeatureOfBlock, const int32_t kiWidth, const int32_t kiHeight, uint16_t** pFeatureValuePointerList)
stmdb sp!, {r4-r8}
vpush {q4-q7}
adr r7, mv_x_inc_x4
vld1.64 {q7}, [r7]
adr r7, mv_y_inc_x4
vld1.64 {q6}, [r7]
adr r7, mx_x_offset_x4
vld1.64 {q5}, [r7]
veor q4, q4
veor q3, q3
vdup.32 q8, r3
_hash_height_loop:
mov r7, r1
vmov q2, q5 //mx_x_offset_x4
_hash_width_loop:
vld1.64 {d0}, [r0]!
vshll.u16 q0, d0, #2
vadd.u32 q0, q8
vmov q1, q2
vmov q4, q3
vzip.16 q1, q4
vmov.32 r4, d0[0]
ldr r5, [r4]
vmov.32 r6, d2[0]
str r6, [r5]
add r5, r5, #4
pld [r5] // cache miss?
str r5, [r4]
vmov.32 r4, d0[1]
ldr r5, [r4]
vmov.32 r6, d2[1]
str r6, [r5]
add r5, r5, #4
pld [r5] // cache miss?
str r5, [r4]
vmov.32 r4, d1[0]
ldr r5, [r4]
vmov.32 r6, d3[0]
str r6, [r5]
add r5, r5, #4
pld [r5] // cache miss?
str r5, [r4]
vmov.32 r4, d1[1]
ldr r5, [r4]
vmov.32 r6, d3[1]
str r6, [r5]
add r5, r5, #4
pld [r5] // cache miss?
str r5, [r4]
vadd.u16 q2, q2, q7
subs r7, #4
bne _hash_width_loop
vadd.u16 q3, q3, q6
subs r2, #1
bne _hash_height_loop
vpop {q4-q7}
ldmia sp!, {r4-r8}
WELS_ASM_FUNC_END
#endif