383 lines
21 KiB
ArmAsm
383 lines
21 KiB
ArmAsm
@/*****************************************************************************
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@*
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@* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
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@*
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@* Licensed under the Apache License, Version 2.0 (the "License");
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@* you may not use this file except in compliance with the License.
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@* You may obtain a copy of the License at:
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@*
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@* http://www.apache.org/licenses/LICENSE-2.0
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@*
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@* Unless required by applicable law or agreed to in writing, software
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@* distributed under the License is distributed on an "AS IS" BASIS,
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@* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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@* See the License for the specific language governing permissions and
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@* limitations under the License.
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@*
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@*****************************************************************************/
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@/**
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@*******************************************************************************
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@* ,:file
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@* ihevc_sao_edge_offset_class1.s
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@*
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@* ,:brief
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@* Contains function definitions for inter prediction interpolation.
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@* Functions are coded using NEON intrinsics and can be compiled using@ ARM
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@* RVCT
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@*
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@* ,:author
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@* Parthiban V
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@*
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@* ,:par List of Functions:
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@*
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@*
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@* ,:remarks
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@* None
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@*
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@*******************************************************************************
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@*/
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@void ihevc_sao_edge_offset_class1(UWORD8 *pu1_src,
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@ WORD32 src_strd,
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@ UWORD8 *pu1_src_left,
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@ UWORD8 *pu1_src_top,
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@ UWORD8 *pu1_src_top_left,
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@ UWORD8 *pu1_src_top_right,
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@ UWORD8 *pu1_src_bot_left,
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@ UWORD8 *pu1_avail,
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@ WORD8 *pi1_sao_offset,
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@ WORD32 wd,
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@ WORD32 ht)
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@**************Variables Vs Registers*****************************************
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@r0 => *pu1_src
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@r1 => src_strd
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@r2 => *pu1_src_left
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@r3 => *pu1_src_top
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@r4 => *pu1_src_top_left
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@r5 => *pu1_avail
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@r6 => *pi1_sao_offset
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@r7 => wd
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@r8 => ht
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.equ pu1_src_top_left_offset, 104
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.equ pu1_src_top_right_offset, 108
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.equ pu1_src_bot_left_offset, 112
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.equ pu1_avail_offset, 116
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.equ pi1_sao_offset, 120
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.equ wd_offset, 124
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.equ ht_offset, 128
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.text
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.p2align 2
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.extern gi1_table_edge_idx
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.globl ihevc_sao_edge_offset_class1_a9q
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gi1_table_edge_idx_addr:
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.long gi1_table_edge_idx - ulbl1 - 8
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ihevc_sao_edge_offset_class1_a9q:
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STMFD sp!, {r4-r12, r14} @stack stores the values of the arguments
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vpush {d8 - d15}
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LDR r7,[sp,#wd_offset] @Loads wd
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LDR r4,[sp,#pu1_src_top_left_offset] @Loads pu1_src_top_left
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LDR r5,[sp,#pu1_avail_offset] @Loads pu1_avail
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LDR r6,[sp,#pi1_sao_offset] @Loads pi1_sao_offset
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LDR r8,[sp,#ht_offset] @Loads ht
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SUB r9,r7,#1 @wd - 1
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LDRB r10,[r3,r9] @pu1_src_top[wd - 1]
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STRB r10,[r4] @*pu1_src_top_left = pu1_src_top[wd - 1]
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ADD r10,r0,r9 @pu1_src[row * src_strd + wd - 1]
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MOV r11,r2 @Move pu1_src_left pointer to r11
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MOV r12,r8 @Move ht to r12 for loop count
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SRC_LEFT_LOOP:
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LDRB r14,[r10],r1 @Load pu1_src[row * src_strd + wd - 1]
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STRB r14,[r11],#1 @pu1_src_left[row]
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SUBS r12,#1 @Decrement the loop count
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BNE SRC_LEFT_LOOP @If not equal to 0 jump to the src_left_loop
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SUB r12,r8,#1 @ht - 1
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MUL r12,r12,r1 @(ht - 1) * src_strd
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ADD r12,r12,r0 @pu1_src[(ht - 1) * src_strd]
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LDRB r4,[r5,#2] @pu1_avail[2]
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CMP r4,#0 @0 == pu1_avail[2]
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ADDEQ r0,r0,r1 @pu1_src += src_strd
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SUBEQ r8,r8,#1 @ht--
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LDRB r4,[r5,#3] @pu1_avail[3]
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CMP r4,#0 @0 == pu1_avail[3]
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SUBEQ r8,r8,#1 @ht--
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VMOV.I8 Q0,#2 @const_2 = vdupq_n_s8(2)
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VMOV.I16 Q1,#0 @const_min_clip = vdupq_n_s16(0)
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VMOV.I16 Q2,#255 @const_max_clip = vdupq_n_u16((1 << bit_depth) - 1)
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LDR r14, gi1_table_edge_idx_addr @table pointer
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ulbl1:
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add r14,r14,pc
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VLD1.8 D6,[r14] @edge_idx_tbl = vld1_s8(gi1_table_edge_idx)
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VLD1.8 D7,[r6] @offset_tbl = vld1_s8(pi1_sao_offset)
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CMP r7,#16 @Compare wd with 16
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BLT WIDTH_RESIDUE @If not jump to WIDTH_RESIDUE where loop is unrolled for 8 case
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WIDTH_LOOP_16:
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LDRB r4,[r5,#2] @pu1_avail[2]
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CMP r4,#0 @0 == pu1_avail[2]
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SUBEQ r9,r0,r1 @pu1_src -= src_strd
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MOVNE r9,r3 @*pu1_src_top
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MOV r10,r0 @*pu1_src
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VLD1.8 D8,[r9]! @pu1_top_row = vld1q_u8(pu1_src_top_cpy || pu1_src - src_strd)
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VLD1.8 D9,[r9]! @pu1_top_row = vld1q_u8(pu1_src_top_cpy || pu1_src - src_strd)
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VLD1.8 D10,[r0]! @pu1_cur_row = vld1q_u8(pu1_src)
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VLD1.8 D11,[r0]! @pu1_cur_row = vld1q_u8(pu1_src)
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VLD1.8 D30,[r12]! @vld1q_u8(pu1_src[(ht - 1) * src_strd])
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VLD1.8 D31,[r12]! @vld1q_u8(pu1_src[(ht - 1) * src_strd])
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VCGT.U8 Q6,Q5,Q4 @vcgtq_u8(pu1_cur_row, pu1_top_row)
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VST1.8 {Q15},[r3]! @vst1q_u8(pu1_src_top[col])
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VCLT.U8 Q7,Q5,Q4 @vcltq_u8(pu1_cur_row, pu1_top_row)
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VSUB.U8 Q8,Q7,Q6 @sign_up = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt))
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MOV r11,r8 @move ht to r11 for loop count
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PU1_SRC_LOOP:
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ADD r10,r10,r1 @*pu1_src + src_strd
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VLD1.8 D18,[r10]! @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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VLD1.8 D19,[r10] @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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SUB r10,#8
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ADD r6,r10,r1 @II Iteration *pu1_src + src_strd
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VCGT.U8 Q6,Q5,Q9 @vcgtq_u8(pu1_cur_row, pu1_top_row)
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VLD1.8 D30,[r6]! @II pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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VLD1.8 D31,[r6] @II pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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SUB r6,#8
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VCLT.U8 Q7,Q5,Q9 @vcltq_u8(pu1_cur_row, pu1_top_row)
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SUB r10,r10,r1
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VSUB.U8 Q10,Q7,Q6 @sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt))
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VMOVL.U8 Q13,D18 @II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row)))
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VADD.I8 Q6,Q0,Q8 @edge_idx = vaddq_s8(const_2, sign_up)
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VMOVL.U8 Q14,D19 @II pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row)))
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VADD.I8 Q6,Q6,Q10 @edge_idx = vaddq_s8(edge_idx, sign_down)
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VCGT.U8 Q11,Q9,Q15 @II vcgtq_u8(pu1_cur_row, pu1_top_row)
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VNEG.S8 Q8,Q10 @sign_up = vnegq_s8(sign_down)
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VTBL.8 D12,{D6},D12 @vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx))
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VCLT.U8 Q12,Q9,Q15 @II vcltq_u8(pu1_cur_row, pu1_top_row)
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VSUB.U8 Q4,Q12,Q11 @II sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt))
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VTBL.8 D13,{D6},D13 @vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx))
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VADD.I8 Q11,Q0,Q8 @II edge_idx = vaddq_s8(const_2, sign_up)
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VNEG.S8 Q8,Q4 @II sign_up = vnegq_s8(sign_down)
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VTBL.8 D12,{D7},D12 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx))
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VADD.I8 Q11,Q11,Q4 @II edge_idx = vaddq_s8(edge_idx, sign_down)
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VMOVL.U8 Q10,D10 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row)))
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VTBL.8 D22,{D6},D22 @II vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx))
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VADDW.S8 Q10,Q10,D12 @pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset)
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VMAX.S16 Q10,Q10,Q1 @pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip)
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VTBL.8 D23,{D6},D23 @II vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx))
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VMIN.U16 Q10,Q10,Q2 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip))
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VMOVL.U8 Q4,D11 @pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row)))
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VTBL.8 D13,{D7},D13 @offset = vtbl1_s8(offset_tbl, vget_high_s8(edge_idx))
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VMOV Q5,Q15 @II pu1_cur_row = pu1_next_row
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VADDW.S8 Q4,Q4,D13 @pi2_tmp_cur_row.val[1] = vaddw_s8(pi2_tmp_cur_row.val[1], offset)
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VTBL.8 D24,{D7},D22 @II offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx))
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VMAX.S16 Q4,Q4,Q1 @pi2_tmp_cur_row.val[1] = vmaxq_s16(pi2_tmp_cur_row.val[1], const_min_clip)
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VMIN.U16 Q4,Q4,Q2 @pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[1]), const_max_clip))
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VTBL.8 D25,{D7},D23 @II offset = vtbl1_s8(offset_tbl, vget_high_s8(edge_idx))
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VMOVN.I16 D20,Q10 @vmovn_s16(pi2_tmp_cur_row.val[0])
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VADDW.S8 Q13,Q13,D24 @II pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset)
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VMOVN.I16 D21,Q4 @vmovn_s16(pi2_tmp_cur_row.val[1])
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VADDW.S8 Q14,Q14,D25 @II pi2_tmp_cur_row.val[1] = vaddw_s8(pi2_tmp_cur_row.val[1], offset)
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VMAX.S16 Q13,Q13,Q1 @II pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip)
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VMIN.U16 Q13,Q13,Q2 @II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip))
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VMAX.S16 Q14,Q14,Q1 @II pi2_tmp_cur_row.val[1] = vmaxq_s16(pi2_tmp_cur_row.val[1], const_min_clip)
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VMIN.U16 Q14,Q14,Q2 @II pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[1]), const_max_clip))
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VST1.8 {Q10},[r10],r1 @vst1q_u8(pu1_src_cpy, pu1_cur_row)
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VMOVN.I16 D30,Q13 @II vmovn_s16(pi2_tmp_cur_row.val[0])
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SUBS r11,r11,#2 @II Decrement the ht loop count by 1
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VMOVN.I16 D31,Q14 @II vmovn_s16(pi2_tmp_cur_row.val[1])
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VST1.8 {Q15},[r10],r1 @II vst1q_u8(pu1_src_cpy, pu1_cur_row)
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BEQ PU1_SRC_LOOP_END @if 0 == pu1_avail[3] || 0 == pu1_avail[2] ht = ht--
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CMP r11,#1 @checking any residue remains
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BGT PU1_SRC_LOOP @If not equal jump to PU1_SRC_LOOP
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ADD r10,r10,r1 @*pu1_src + src_strd
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VLD1.8 D18,[r10]! @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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VLD1.8 D19,[r10] @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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SUB r10,#8
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VCGT.U8 Q6,Q5,Q9 @vcgtq_u8(pu1_cur_row, pu1_top_row)
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VCLT.U8 Q7,Q5,Q9 @vcltq_u8(pu1_cur_row, pu1_top_row)
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VSUB.U8 Q10,Q7,Q6 @sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt))
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SUB r10,r10,r1
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VADD.I8 Q11,Q0,Q8 @edge_idx = vaddq_s8(const_2, sign_up)
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VADD.I8 Q11,Q11,Q10 @edge_idx = vaddq_s8(edge_idx, sign_down)
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VTBL.8 D22,{D6},D22 @vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx))
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VTBL.8 D23,{D6},D23 @vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx))
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VTBL.8 D24,{D7},D22 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx))
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VMOVL.U8 Q13,D10 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row)))
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VADDW.S8 Q13,Q13,D24 @pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset)
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VMAX.S16 Q13,Q13,Q1 @pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip)
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VMIN.U16 Q13,Q13,Q2 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip))
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VTBL.8 D25,{D7},D23 @offset = vtbl1_s8(offset_tbl, vget_high_s8(edge_idx))
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VMOVL.U8 Q14,D11 @pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row)))
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VADDW.S8 Q14,Q14,D25 @pi2_tmp_cur_row.val[1] = vaddw_s8(pi2_tmp_cur_row.val[1], offset)
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VMAX.S16 Q14,Q14,Q1 @pi2_tmp_cur_row.val[1] = vmaxq_s16(pi2_tmp_cur_row.val[1], const_min_clip)
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VMIN.U16 Q14,Q14,Q2 @pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[1]), const_max_clip))
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VMOVN.I16 D30,Q13 @vmovn_s16(pi2_tmp_cur_row.val[0])
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VMOVN.I16 D31,Q14 @vmovn_s16(pi2_tmp_cur_row.val[1])
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VST1.8 {Q15},[r10],r1 @vst1q_u8(pu1_src_cpy, pu1_cur_row)
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PU1_SRC_LOOP_END:
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VMOV Q5,Q9 @pu1_cur_row = pu1_next_row
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SUBS r7,r7,#16 @Decrement the wd loop count by 16
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CMP r7,#8 @Check whether residue remains
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BEQ WIDTH_RESIDUE @If residue remains jump to residue loop
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BGT WIDTH_LOOP_16 @If not equal jump to width_loop
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BLT END_LOOPS @Jump to end function
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WIDTH_RESIDUE:
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LDRB r4,[r5,#2] @pu1_avail[2]
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CMP r4,#0 @0 == pu1_avail[2]
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SUBEQ r9,r0,r1 @pu1_src -= src_strd
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MOVNE r9,r3 @*pu1_src_top
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MOV r10,r0
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VLD1.8 D8,[r9]! @pu1_top_row = vld1q_u8(pu1_src_top_cpy || pu1_src - src_strd)
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VLD1.8 D9,[r9]! @pu1_top_row = vld1q_u8(pu1_src_top_cpy || pu1_src - src_strd)
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VLD1.8 D10,[r0]! @pu1_cur_row = vld1q_u8(pu1_src)
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VLD1.8 D11,[r0]! @pu1_cur_row = vld1q_u8(pu1_src)
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VLD1.8 D30,[r12] @vld1_u8(pu1_src[(ht - 1) * src_strd])
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VST1.8 {D30},[r3] @vst1_u8(pu1_src_top[col])
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VCGT.U8 Q6,Q5,Q4 @vcgtq_u8(pu1_cur_row, pu1_top_row)
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VCLT.U8 Q7,Q5,Q4 @vcltq_u8(pu1_cur_row, pu1_top_row)
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VSUB.U8 Q8,Q7,Q6 @sign_up = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt))
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MOV r11,r8 @move ht to r11 for loop count
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PU1_SRC_LOOP_RESIDUE:
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ADD r10,r10,r1 @*pu1_src + src_strd
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VLD1.8 D18,[r10]! @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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VLD1.8 D19,[r10] @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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SUB r10,#8
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ADD r6,r10,r1 @II Iteration *pu1_src + src_strd
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VCGT.U8 Q6,Q5,Q9 @vcgtq_u8(pu1_cur_row, pu1_next_row)
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VLD1.8 D30,[r6]! @II pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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VLD1.8 D31,[r6] @II pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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SUB r6,#8
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VCLT.U8 Q7,Q5,Q9 @vcltq_u8(pu1_cur_row, pu1_next_row)
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SUB r10,r10,r1
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VSUB.U8 Q10,Q7,Q6 @sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt))
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VMOVL.U8 Q13,D18 @II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row)))
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VADD.I8 Q6,Q0,Q8 @edge_idx = vaddq_s8(const_2, sign_up)
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VCGT.U8 Q11,Q9,Q15 @II vcgtq_u8(pu1_cur_row, pu1_next_row)
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VADD.I8 Q6,Q6,Q10 @edge_idx = vaddq_s8(edge_idx, sign_down)
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VCLT.U8 Q12,Q9,Q15 @II vcltq_u8(pu1_cur_row, pu1_next_row)
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VNEG.S8 Q8,Q10 @sign_up = vnegq_s8(sign_down)
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VTBL.8 D12,{D6},D12 @vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx))
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VSUB.U8 Q10,Q12,Q11 @II sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt))
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VADD.I8 Q11,Q0,Q8 @II edge_idx = vaddq_s8(const_2, sign_up)
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VTBL.8 D12,{D7},D12 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx))
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VNEG.S8 Q8,Q10 @II sign_up = vnegq_s8(sign_down)
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VADD.I8 Q11,Q11,Q10 @II edge_idx = vaddq_s8(edge_idx, sign_down)
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VMOVL.U8 Q10,D10 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row)))
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VADDW.S8 Q10,Q10,D12 @pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset)
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VTBL.8 D22,{D6},D22 @II vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx))
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VMAX.S16 Q10,Q10,Q1 @pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip)
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VMIN.U16 Q10,Q10,Q2 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip))
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VTBL.8 D24,{D7},D22 @II offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx))
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VMOVN.I16 D20,Q10 @vmovn_s16(pi2_tmp_cur_row.val[0])
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VADDW.S8 Q13,Q13,D24 @II pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset)
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VMAX.S16 Q13,Q13,Q1 @II pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip)
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VMIN.U16 Q13,Q13,Q2 @II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip))
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VMOV Q5,Q15 @II pu1_cur_row = pu1_next_row
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VST1.8 {D20},[r10],r1 @vst1q_u8(pu1_src_cpy, pu1_cur_row)
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VMOVN.I16 D30,Q13 @II vmovn_s16(pi2_tmp_cur_row.val[0])
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SUBS r11,r11,#2 @Decrement the ht loop count by 1
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VST1.8 {D30},[r10],r1 @II vst1q_u8(pu1_src_cpy, pu1_cur_row)
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BEQ END_LOOPS
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CMP r11,#1
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BGT PU1_SRC_LOOP_RESIDUE @If not equal jump to PU1_SRC_LOOP
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ADD r10,r10,r1 @*pu1_src + src_strd
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VLD1.8 D18,[r10]! @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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VLD1.8 D19,[r10] @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd)
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SUB r10,#8
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VCGT.U8 Q6,Q5,Q9 @vcgtq_u8(pu1_cur_row, pu1_next_row)
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VCGT.U8 Q7,Q9,Q5 @vcltq_u8(pu1_cur_row, pu1_next_row)
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VSUB.U8 Q10,Q7,Q6 @sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt))
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SUB r10,r10,r1
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VADD.I8 Q11,Q0,Q8 @edge_idx = vaddq_s8(const_2, sign_up)
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VADD.I8 Q11,Q11,Q10 @edge_idx = vaddq_s8(edge_idx, sign_down)
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VTBL.8 D22,{D6},D22 @vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx))
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VTBL.8 D24,{D7},D22 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx))
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VMOVL.U8 Q13,D10 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row)))
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VADDW.S8 Q13,Q13,D24 @pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset)
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VMAX.S16 Q13,Q13,Q1 @pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip)
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VMIN.U16 Q13,Q13,Q2 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip))
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VMOVN.I16 D30,Q13 @vmovn_s16(pi2_tmp_cur_row.val[0])
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VST1.8 {D30},[r10],r1 @vst1q_u8(pu1_src_cpy, pu1_cur_row)
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END_LOOPS:
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vpop {d8 - d15}
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LDMFD sp!,{r4-r12,r15} @Reload the registers from SP
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