10d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar///***************************************************************************** 20d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 30d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore 40d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 50d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* Licensed under the Apache License, Version 2.0 (the "License"); 60d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* you may not use this file except in compliance with the License. 70d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* You may obtain a copy of the License at: 80d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 90d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* http://www.apache.org/licenses/LICENSE-2.0 100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* Unless required by applicable law or agreed to in writing, software 120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* distributed under the License is distributed on an "AS IS" BASIS, 130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* See the License for the specific language governing permissions and 150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* limitations under the License. 160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//*****************************************************************************/ 180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar///** 190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//******************************************************************************* 200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* ,:file 210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* ihevc_sao_edge_offset_class0.s 220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* ,:brief 240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* Contains function definitions for inter prediction interpolation. 250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* Functions are coded using NEON intrinsics and can be compiled using// ARM 260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* RVCT 270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* ,:author 290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* Parthiban V 300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* ,:par List of Functions: 320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* ,:remarks 350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* None 360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//******************************************************************************* 380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//*/ 390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//void ihevc_sao_edge_offset_class0(UWORD8 *pu1_src, 400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// WORD32 src_strd, 410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// UWORD8 *pu1_src_left, 420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// UWORD8 *pu1_src_top, 430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// UWORD8 *pu1_src_top_left, 440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// UWORD8 *pu1_src_top_right, 450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// UWORD8 *pu1_src_bot_left, 460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// UWORD8 *pu1_avail, 470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// WORD8 *pi1_sao_offset, 480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// WORD32 wd, 490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// WORD32 ht) 500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// 510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//**************Variables Vs Registers***************************************** 520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x0 => *pu1_src 530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x1 => src_strd 540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x2 => *pu1_src_left 550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x3 => *pu1_src_top 560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x4 => *pu1_src_top_left 570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x7 => *pu1_avail 580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x8 => *pi1_sao_offset 590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x9 => wd 600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x10=> ht 610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.text 630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.p2align 2 640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.include "ihevc_neon_macros.s" 660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.globl gi1_table_edge_idx 680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.globl ihevc_sao_edge_offset_class0_av8 690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarihevc_sao_edge_offset_class0_av8: 710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar // STMFD sp!, {x4-x12, x14} //stack stores the values of the arguments 740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR x8, [sp] // pi1_sao_offset 760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR x9,[sp,#8] //Loads wd 770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar AND x9,x9,0xFFFFFFFF // Since argument is passed as WORD32, Using only lower half of x9 780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR x10,[sp,#16] //Loads ht 790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar AND x10,x10,0xFFFFFFFF // Since argument is passed as WORD32, Using only lower half of x10 800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 819cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy 820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar stp x19, x20,[sp,#-16]! 830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v2.16b, #2 //const_2 = vdupq_n_s8(2) 850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x11,x3,x9 //pu1_src_top[wd] 860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x11,x11,#1 870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v4.8h, #0 //const_min_clip = vdupq_n_s16(0) 890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w12,[x11] //pu1_src_top[wd - 1] 900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x11,x11,#1 910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v6.8h, #255 //const_max_clip = vdupq_n_u16((1 << bit_depth) - 1) 930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADRP x14, :got:gi1_table_edge_idx //table pointer 940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR x14, [x14, #:got_lo12:gi1_table_edge_idx] 950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 969cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy movi v3.16b, #0xFF //au1_mask = vdupq_n_s8(-1) 970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar STRB w12,[x4] //*pu1_src_top_left = pu1_src_top[wd - 1] 980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x6,x0 //pu1_src_org 1009cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy LD1 {v5.8b},[x14] //edge_idx_tbl = vld1_s8(gi1_table_edge_idx) 1010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x4,x10,#1 //(ht - 1) 1020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x12,x9 //Move wd to x12 for loop count 1049cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy LD1 {v7.8b},[x8] //offset_tbl = vld1_s8(pi1_sao_offset) 1050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mul x4, x4, x1 //(ht - 1) * src_strd 1060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x4,x4,x0 //pu1_src[(ht - 1) * src_strd] 1080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarSRC_TOP_LOOP: //wd is always multiple of 8 1100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LD1 {v0.8b},[x4],#8 //Load pu1_src[(ht - 1) * src_strd + col] 1110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUBS x12,x12,#8 //Decrement the loop counter by 8 1120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ST1 {v0.8b},[x3],#8 //Store to pu1_src_top[col] 1130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BNE SRC_TOP_LOOP 1140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x6,x6,#15 //pu1_src_org[16 - 1] 1150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP x9,#16 //Compare wd with 16 1170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x3,x2 //pu1_src_left backup to reload later 1180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BLT WIDTH_RESIDUE //If not jump to WIDTH_RESIDUE where loop is unrolled for 8 case 1190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x8,x9 //move wd to x8 for loop count 1210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarWIDTH_LOOP_16: 1230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP x8,x9 //if(col == wd) 1240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BNE AU1_MASK_FF //jump to else part 1250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w12,[x7] //pu1_avail[0] 126d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v3.b[0], w12 //vsetq_lane_s8(pu1_avail[0], au1_mask, 0) 1270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar B SKIP_AU1_MASK_FF //Skip the else part 1280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarAU1_MASK_FF: 1300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x12,#0xFF //move -1 to x12 131d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v3.b[0], w12 //au1_mask = vsetq_lane_s8(-1, au1_mask, 0) 1320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarSKIP_AU1_MASK_FF: 1340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP x8,#16 //If col == 16 1350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BNE SKIP_MASKING_IF_NOT16 //If not skip masking 1360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w12,[x7,#1] //pu1_avail[1] 1379cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy mov v3.b[15], w12 //au1_mask = vsetq_lane_s8(pu1_avail[1], au1_mask, 15) 1380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarSKIP_MASKING_IF_NOT16: 1400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x12,x0 //pu1_src_cpy = pu1_src 1410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x4,x10 //move ht to x4 for loop count 1420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarPU1_SRC_LOOP: 1440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w11,[x2] //load pu1_src_left since ht - row =0 when it comes first pu1_src_left is incremented later 1459cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy LD1 {v17.16b},[x12],x1 //pu1_cur_row = vld1q_u8(pu1_src_cpy) 1460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x5,x9,x8 //wd - col 1470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x14,x10,x4 //ht - row 149d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v21.b[15], w11 //vsetq_lane_u8(pu1_src_left[ht - row], pu1_cur_row_tmp, 15) 1500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mul x14, x14, x1 //(ht - row) * src_strd 1510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LD1 {v26.16b},[x12] //II Iteration pu1_cur_row = vld1q_u8(pu1_src_cpy) 1539cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy EXT v21.16b, v21.16b , v17.16b,#15 //pu1_cur_row_tmp = vextq_u8(pu1_cur_row_tmp, pu1_cur_row, 15) 1540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x5,x14,x5 //(ht - row) * src_strd + (wd - col) 1550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w11,[x2, #1] //II Iteration load pu1_src_left since ht - row + 1 =1 1579cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy cmhi v16.16b, v17.16b , v21.16b //vcgtq_u8(pu1_cur_row, pu1_cur_row_tmp) 1580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w14,[x6,x5] //pu1_src_org[(ht - row) * src_strd + 16 - 1 + (wd - col)] 1590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x4,x4,#1 161d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v28.b[15], w11 //II Iteration vsetq_lane_u8(pu1_src_left[ht - row], pu1_cur_row_tmp, 15) 1629cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy cmhi v18.16b, v21.16b , v17.16b //vcltq_u8(pu1_cur_row, pu1_cur_row_tmp) 1630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x12,x12,x1 //Decrement the pu1_src pointer by src_strd 1650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB v20.16b, v18.16b , v16.16b //sign_left = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) 1660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar STRB w14,[x2],#1 //pu1_src_left[(ht - row)] = au1_src_left_tmp[(ht - row)] 1670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w11,[x12,#16] //pu1_src_cpy[16] 1690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar EXT v28.16b, v28.16b , v26.16b,#15 //II Iteration pu1_cur_row_tmp = vextq_u8(pu1_cur_row_tmp, pu1_cur_row, 15) 1700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x5,x9,x8 //II wd - col 1710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x12,x12,x1 //Increment the pu1_src pointer by src_strd 173d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v21.b[0], w11 //pu1_cur_row_tmp = vsetq_lane_u8(pu1_src_cpy[16], pu1_cur_row_tmp, 0) 1740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmhi v30.16b, v26.16b , v28.16b //II vcgtq_u8(pu1_cur_row, pu1_cur_row_tmp) 1750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w11,[x12,#16] //II pu1_src_cpy[16] 1779cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy EXT v21.16b, v17.16b , v21.16b,#1 //pu1_cur_row_tmp = vextq_u8(pu1_cur_row, pu1_cur_row_tmp, 1) 1780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x14,x10,x4 //II ht - row 1790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmhi v0.16b, v28.16b , v26.16b //II vcltq_u8(pu1_cur_row, pu1_cur_row_tmp) 181d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v28.b[0], w11 //II pu1_cur_row_tmp = vsetq_lane_u8(pu1_src_cpy[16], pu1_cur_row_tmp, 0) 1820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x12,x12,x1 //Decrement the pu1_src pointer by src_strd 1830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mul x14, x14, x1 //II (ht - row) * src_strd 1859cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy cmhi v16.16b, v17.16b , v21.16b //vcgtq_u8(pu1_cur_row, pu1_cur_row_tmp) 1860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x5,x14,x5 //II (ht - row) * src_strd + (wd - col) 1870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1889cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy cmhi v18.16b, v21.16b , v17.16b //vcltq_u8(pu1_cur_row, pu1_cur_row_tmp) 1890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar EXT v28.16b, v26.16b , v28.16b,#1 //II pu1_cur_row_tmp = vextq_u8(pu1_cur_row, pu1_cur_row_tmp, 1) 1900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w14,[x6,x5] //II pu1_src_org[(ht - row) * src_strd + 16 - 1 + (wd - col)] 1920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB v22.16b, v18.16b , v16.16b //sign_right = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) 1930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUBS x4,x4,#1 //Decrement row by 1 1940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1959cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy ADD v21.16b, v2.16b , v20.16b //edge_idx = vaddq_s8(const_2, sign_left) 1960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar STRB w14,[x2],#1 //II pu1_src_left[(ht - row)] = au1_src_left_tmp[(ht - row)] 1970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1989cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy ADD v21.16b, v21.16b , v22.16b //edge_idx = vaddq_s8(edge_idx, sign_right) 1999cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy Uxtl v18.8h, v17.8b //pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) 2000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB v20.16b, v0.16b , v30.16b //II sign_left = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) 2029cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy TBL v21.16b, {v5.16b},v21.16b //vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) 2030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmhi v30.16b, v26.16b , v28.16b //II vcgtq_u8(pu1_cur_row, pu1_cur_row_tmp) 2040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmhi v0.16b, v28.16b , v26.16b //II vcltq_u8(pu1_cur_row, pu1_cur_row_tmp) 2060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// TBL v15.8b, {v10.16b},v15.8b //vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx)) 2070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB v22.16b, v0.16b , v30.16b //II sign_right = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) 2080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2099cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy AND v21.16b, v21.16b , v3.16b //edge_idx = vandq_s8(edge_idx, au1_mask) 2109cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy TBL v16.16b, {v7.16b},v21.16b //offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) 2110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar Uxtl v0.8h, v26.8b //II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) 2120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD v28.16b, v2.16b , v20.16b //II edge_idx = vaddq_s8(const_2, sign_left) 2140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD v28.16b, v28.16b , v22.16b //II edge_idx = vaddq_s8(edge_idx, sign_right) 2150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SADDW v18.8h, v18.8h , v16.8b 2179cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy TBL v28.16b, {v5.16b},v28.16b //II vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) 2180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SMAX v18.8h, v18.8h , v4.8h //pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) 2190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// TBL v29.8b, {v10.16b},v29.8b //II vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx)) 2210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UMIN v18.8h, v18.8h , v6.8h //pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) 2220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2239cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy AND v28.16b, v28.16b , v3.16b //II edge_idx = vandq_s8(edge_idx, au1_mask) 2240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// TBL v17.8b, {v11.16b},v15.8b //offset = vtbl1_s8(offset_tbl, vget_high_s8(edge_idx)) 2250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2269cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy Uxtl2 v21.8h, v17.16b //pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row))) 2279cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy TBL v30.16b, {v7.16b},v28.16b //II offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) 2289cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy SADDW2 v21.8h, v21.8h , v16.16b //pi2_tmp_cur_row.val[1] = vaddw_s8(pi2_tmp_cur_row.val[1], offset) 2290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2309cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy SMAX v21.8h, v21.8h , v4.8h //pi2_tmp_cur_row.val[1] = vmaxq_s16(pi2_tmp_cur_row.val[1], const_min_clip) 2310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// TBL v31.8b, {v11.16b},v29.8b //II offset = vtbl1_s8(offset_tbl, vget_high_s8(edge_idx)) 2329cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy UMIN v21.8h, v21.8h , v6.8h //pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[1]), const_max_clip)) 2330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar xtn v18.8b, v18.8h //vmovn_s16(pi2_tmp_cur_row.val[0]) 2350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SADDW v0.8h, v0.8h , v30.8b 2360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2379cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy xtn v19.8b, v21.8h //vmovn_s16(pi2_tmp_cur_row.val[1]) 2380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SMAX v0.8h, v0.8h , v4.8h //II pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) 2390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar Uxtl2 v28.8h, v26.16b //II pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row))) 2410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UMIN v0.8h, v0.8h , v6.8h //II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) 2420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar xtn v0.8b, v0.8h //II vmovn_s16(pi2_tmp_cur_row.val[0]) 2440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SADDW2 v28.8h, v28.8h , v30.16b //II pi2_tmp_cur_row.val[1] = vaddw_s8(pi2_tmp_cur_row.val[1], offset) 2450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SMAX v28.8h, v28.8h , v4.8h //II pi2_tmp_cur_row.val[1] = vmaxq_s16(pi2_tmp_cur_row.val[1], const_min_clip) 2470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ST1 {v18.8b, v19.8b},[x12],x1 //vst1q_u8(pu1_src_cpy, pu1_cur_row) 2480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UMIN v28.8h, v28.8h , v6.8h //II pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[1]), const_max_clip)) 2490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar xtn v1.8b, v28.8h //II vmovn_s16(pi2_tmp_cur_row.val[1]) 2510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ST1 {v0.8b, v1.8b},[x12],x1 //II vst1q_u8(pu1_src_cpy, pu1_cur_row) 2530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BNE PU1_SRC_LOOP //If not equal jump to the inner loop 2550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x0,x0,#16 //pu1_src += 16 2570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUBS x8,x8,#16 //Decrement column by 16 2590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP x8,#8 //Check whether residue remains 2600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x2,x3 //Reload pu1_src_left 2610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BEQ WIDTH_RESIDUE //If residue remains jump to residue loop 2620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BGT WIDTH_LOOP_16 //If not equal jump to width_loop 2630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BLT END_LOOPS //Jump to end function 2640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarWIDTH_RESIDUE: 2660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x6,x6,#15 2670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar AND x8,x9,#0xF //wd_rem = wd & 0xF 2680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP x8,#0 //Residue check 2690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BEQ END_LOOPS //No Residue jump to end function 2700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP x8,x9 //if(wd_rem == wd) 2720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BNE AU1_MASK_FF_RESIDUE //jump to else part 2730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w12,[x7] //pu1_avail[0] 274d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v3.b[0], w12 //vsetq_lane_s8(pu1_avail[0], au1_mask, 0) 2750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar B SKIP_AU1_MASK_FF_RESIDUE //Skip the else part 2760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarAU1_MASK_FF_RESIDUE: 2780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x12,#0xFF //move -s to x12 279d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v3.b[0], w12 //au1_mask = vsetq_lane_s8(-1, au1_mask, 0) 2800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarSKIP_AU1_MASK_FF_RESIDUE: 2820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w11,[x7,#1] //pu1_avail[1] 2830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x5,x9,#1 //wd - 1 2840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x4,x10 //move ht to x4 for loop count 286d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v3.b[7], w11 //au1_mask = vsetq_lane_s8(pu1_avail[1], au1_mask, 15) 2870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV x12,x0 //pu1_src_cpy = pu1_src 2880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarPU1_SRC_LOOP_RESIDUE: 2909cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy LD1 {v17.16b},[x12] //pu1_cur_row = vld1q_u8(pu1_src_cpy) 2910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w11,[x2] //load pu1_src_left 292d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v21.b[15], w11 //vsetq_lane_u8(pu1_src_left[ht - row], pu1_cur_row_tmp, 15) 2939cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy EXT v21.16b, v21.16b , v17.16b,#15 //pu1_cur_row_tmp = vextq_u8(pu1_cur_row_tmp, pu1_cur_row, 15) 2940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2959cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy cmhi v16.16b, v17.16b , v21.16b //vcgtq_u8(pu1_cur_row, pu1_cur_row_tmp) 2969cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy cmhi v18.16b, v21.16b , v17.16b //vcltq_u8(pu1_cur_row, pu1_cur_row_tmp) 2970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB v20.16b, v18.16b , v16.16b //sign_left = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) 2980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w11,[x12,#16] //pu1_src_cpy[16] 300d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer mov v21.b[0], w11 //pu1_cur_row_tmp = vsetq_lane_u8(pu1_src_cpy[16], pu1_cur_row_tmp, 0) 3019cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy EXT v21.16b, v17.16b , v21.16b,#1 //pu1_cur_row_tmp = vextq_u8(pu1_cur_row, pu1_cur_row_tmp, 1) 3020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3039cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy cmhi v16.16b, v17.16b , v21.16b //vcgtq_u8(pu1_cur_row, pu1_cur_row_tmp) 3049cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy cmhi v18.16b, v21.16b , v17.16b //vcltq_u8(pu1_cur_row, pu1_cur_row_tmp) 3050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB v22.16b, v18.16b , v16.16b //sign_right = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) 3060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD v24.16b, v2.16b , v20.16b //edge_idx = vaddq_s8(const_2, sign_left) 3080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD v24.16b, v24.16b , v22.16b //edge_idx = vaddq_s8(edge_idx, sign_right) 3090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3109cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy TBL v24.16b, {v5.16b},v24.16b //vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) 3110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// TBL v25.8b, {v10.16b},v25.8b //vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx)) 3120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3139cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy AND v24.16b, v24.16b , v3.16b //edge_idx = vandq_s8(edge_idx, au1_mask) 3140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar NEG v20.16b, v22.16b //sign_left = vnegq_s8(sign_right) 3160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar EXT v20.16b, v20.16b , v22.16b,#15 //sign_left = vextq_s8(sign_left, sign_left, 15) 3170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3189cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy TBL v26.8b, {v7.16b},v24.8b //offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) 3199cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy Uxtl v28.8h, v17.8b //pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) 3200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SADDW v28.8h, v28.8h , v26.8b 3210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SMAX v28.8h, v28.8h , v4.8h //pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) 3220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UMIN v28.8h, v28.8h , v6.8h //pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) 3230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar xtn v28.8b, v28.8h //vmovn_s16(pi2_tmp_cur_row.val[0]) 3250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB x14,x10,x4 //ht - row 3270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mul x14, x14, x1 //(ht - row) * src_strd 3280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD x11,x14,x5 //(ht - row) * src_strd + (wd - 1) 3290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDRB w14,[x6, x11] //pu1_src_org[(ht - row) * src_strd + (wd - 1)] 3300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar STRB w14,[x2],#1 //pu1_src_left[(ht - row)] = au1_src_left_tmp[(ht - row)] 3310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ST1 {v28.8b},[x12],x1 //vst1q_u8(pu1_src_cpy, pu1_cur_row) 3330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUBS x4,x4,#1 //Decrement row by 1 3350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BNE PU1_SRC_LOOP_RESIDUE //If not equal jump to the pu1_src loop 3360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish MahendrakarEND_LOOPS: 3380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar // LDMFD sp!,{x4-x12,x15} //Reload the registers from SP 3390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldp x19, x20,[sp], #16 3409cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy 3410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ret 3420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 346