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_intra_pred_chroma_mode_3_to_9.s 220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @brief 240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* contains function definitions for intra prediction dc filtering. 250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* functions are coded using neon intrinsics and can be compiled using 260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* rvct 280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @author 300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* parthiban v 310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @par list of functions: 330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @remarks 360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* none 370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//******************************************************************************* 390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//*/ 400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar///** 410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//******************************************************************************* 420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @brief 440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* luma intraprediction filter for dc input 450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @par description: 470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @param[in] pu1_ref 490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* uword8 pointer to the source 500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @param[out] pu1_dst 520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* uword8 pointer to the destination 530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @param[in] src_strd 550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* integer source stride 560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @param[in] dst_strd 580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* integer destination stride 590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @param[in] nt 610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* size of tranform block 620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @param[in] mode 640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* type of filtering 650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @returns 670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @remarks 690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* none 700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//******************************************************************************* 720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//*/ 730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//void ihevc_intra_pred_chroma_mode_3_to_9(uword8 *pu1_ref, 740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// word32 src_strd, 750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// uword8 *pu1_dst, 760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// word32 dst_strd, 770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// word32 nt, 780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// word32 mode) 790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//**************variables vs registers***************************************** 800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x0 => *pu1_ref 810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x1 => src_strd 820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x2 => *pu1_dst 830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x3 => dst_strd 840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//stack contents from #40 860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// nt 870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// mode 880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.text 900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.align 4 910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.include "ihevc_neon_macros.s" 930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.globl ihevc_intra_pred_chroma_mode_3_to_9_av8 970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.extern gai4_ihevc_ang_table 980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.extern gai4_ihevc_inv_ang_table 990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.extern col_for_intra_chroma 1000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.extern idx_neg_idx_chroma_3_9 1010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.type ihevc_intra_pred_chroma_mode_3_to_9_av8, %function 1030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarihevc_intra_pred_chroma_mode_3_to_9_av8: 1050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar // stmfd sp!, {x4-x12, x14} //stack stores the values of the arguments 1079cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy 1089cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy stp d13,d14,[sp,#-16]! 1099cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy stp d8,d15,[sp,#-16]! // Storing d15 using { sub sp,sp,#8; str d15,[sp] } is giving bus error. 1109cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy // d8 is used as dummy register and stored along with d15 using stp. d8 is not used in the function. 1110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar stp x19, x20,[sp,#-16]! 1120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar adrp x7, :got:gai4_ihevc_ang_table 1140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr x7, [x7, #:got_lo12:gai4_ihevc_ang_table] 1150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar adrp x8, :got:gai4_ihevc_inv_ang_table 1170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr x8, [x8, #:got_lo12:gai4_ihevc_inv_ang_table] 1180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x7, x7, x5, lsl #2 //gai4_ihevc_ang_table[mode] 1200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr w7, [x7] //intra_pred_ang 1210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sxtw x7,w7 1220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v30.8b,w7 //intra_pred_ang 1230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar adrp x14, :got:col_for_intra_chroma 1250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr x14, [x14, #:got_lo12:col_for_intra_chroma] 1260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarprologue_8_16_32: 1280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsr x10, x4, #3 1290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld1 {v31.8b},[x14],#8 1300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mul x10, x4, x10 //block counter (dec by #8) 1310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl x11, x4, #1 //col counter to be inc/dec by #8 1330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar smull v22.8h, v30.8b, v31.8b //(col+1)*intra_pred_angle [0:7](col) 1340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x7, x5, #3 1360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar adrp x12, :got:idx_neg_idx_chroma_3_9 //load most idx table 1370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr x12, [x12, #:got_lo12:idx_neg_idx_chroma_3_9] 1380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x12, x12, x7, lsl #4 1400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x8, x12 1410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x7, #8 1430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x7, x7, x3, lsl #3 //x7 = 8-8x3 1440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr w9, [x8] 1460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sxtw x9,w9 1470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl x9, x9, #1 1480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x1, x0, x4, lsl #2 //pu1_ref + 4*nt 1490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar xtn v6.8b, v22.8h 1510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v26.8b,w9 //most idx added to final idx values 1520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x1, x1, #26 //ref_main_idx + 2nt - (8 + 1)(two_nt - idx - row ) for 8 & 8 - 1row 1530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x6, x1, x9 1550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld1 {v0.16b, v1.16b}, [x6] //stores the 32 values reqd based on indices values (from most idx) 1570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sshr v22.8h, v22.8h,#5 1580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v29.8b, #31 //contains #31 for vand operation 1600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v28.8b, #32 1620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1639cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sqxtn v2.8b, v22.8h 1649cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy shl v2.8b, v2.8b,#1 // 2 * idx 1650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar and v6.8b, v6.8b , v29.8b //fract values in d1/ idx values in d0 1670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v29.8b, #2 //contains #2 for adding to get ref_main_idx + 1 1680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x0,#0x302 // idx value for v is +1 of u 1700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v27.4h,w0 1710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x0,#0 1720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1739cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy movi v3.8b, #22 //row 0 to 7 1740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1759cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v2.8b , v27.8b //ref_main_idx (sub row) 1769cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v26.8b , v2.8b //ref_main_idx (row 0) 1779cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy add v2.8b, v2.8b , v3.8b //to compensate the pu1_src idx incremented by 8 1789cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v3.8b, v2.8b , v29.8b //ref_main_idx + 1 (row 0) 1799cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v25.8b, { v0.16b, v1.16b}, v2.8b //load from ref_main_idx (row 0) 1800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v7.8b, v28.8b , v6.8b //32-fract 1810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1829cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v13.8b, { v0.16b, v1.16b}, v3.8b //load from ref_main_idx + 1 (row 0) 1839cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v4.8b, v2.8b , v29.8b //ref_main_idx (row 1) 1849cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v5.8b, v3.8b , v29.8b //ref_main_idx + 1 (row 1) 1850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v29.8b, #4 1870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar tbl v16.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 1) 1899cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v24.8h, v25.8b, v7.8b //mul (row 0) 1900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v24.8h, v13.8b, v6.8b //mul (row 0) 1910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar tbl v17.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx + 1 (row 1) 1939cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v2.8b , v29.8b //ref_main_idx (row 2) 1949cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v3.8b, v3.8b , v29.8b //ref_main_idx + 1 (row 2) 1950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v24.8b, v24.8h,#5 //round shft (row 0) 1970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1989cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v14.8b, { v0.16b, v1.16b}, v2.8b //load from ref_main_idx (row 2) 1990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umull v22.8h, v16.8b, v7.8b //mul (row 1) 2000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v22.8h, v17.8b, v6.8b //mul (row 1) 2010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2029cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v15.8b, { v0.16b, v1.16b}, v3.8b //load from ref_main_idx + 1 (row 2) 2030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v4.8b, v4.8b , v29.8b //ref_main_idx (row 3) 2040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v5.8b, v5.8b , v29.8b //ref_main_idx + 1 (row 3) 2050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v24.8b},[x2], x3 //st (row 0) 2070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v22.8b, v22.8h,#5 //round shft (row 1) 2080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2099cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v19.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 3) 2100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umull v20.8h, v14.8b, v7.8b //mul (row 2) 2110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v20.8h, v15.8b, v6.8b //mul (row 2) 2120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2139cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v23.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx + 1 (row 3) 2149cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v2.8b , v29.8b //ref_main_idx (row 4) 2159cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v3.8b, v3.8b , v29.8b //ref_main_idx + 1 (row 4) 2160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v22.8b},[x2], x3 //st (row 1) 2180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v20.8b, v20.8h,#5 //round shft (row 2) 2190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2209cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v25.8b, { v0.16b, v1.16b}, v2.8b //load from ref_main_idx (row 4) 2219cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v18.8h, v19.8b, v7.8b //mul (row 3) 2229cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umlal v18.8h, v23.8b, v6.8b //mul (row 3) 2230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2249cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v13.8b, { v0.16b, v1.16b}, v3.8b //load from ref_main_idx + 1 (row 4) 2250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v4.8b, v4.8b , v29.8b //ref_main_idx (row 5) 2260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v5.8b, v5.8b , v29.8b //ref_main_idx + 1 (row 5) 2270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v20.8b},[x2], x3 //st (row 2) 2290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v18.8b, v18.8h,#5 //round shft (row 3) 2300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar tbl v16.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 5) 2329cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v24.8h, v25.8b, v7.8b //mul (row 4) 2330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v24.8h, v13.8b, v6.8b //mul (row 4) 2340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar tbl v17.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx + 1 (row 5) 2369cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v2.8b , v29.8b //ref_main_idx (row 6) 2379cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v3.8b, v3.8b , v29.8b //ref_main_idx + 1 (row 6) 2380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v18.8b},[x2], x3 //st (row 3) 2400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmp x4,#4 2410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq end_func 2420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v24.8b, v24.8h,#5 //round shft (row 4) 2430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2449cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v14.8b, { v0.16b, v1.16b}, v2.8b //load from ref_main_idx (row 6) 2450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umull v22.8h, v16.8b, v7.8b //mul (row 5) 2460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v22.8h, v17.8b, v6.8b //mul (row 5) 2470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2489cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v15.8b, { v0.16b, v1.16b}, v3.8b //load from ref_main_idx + 1 (row 6) 2490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v4.8b, v4.8b , v29.8b //ref_main_idx (row 7) 2500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v5.8b, v5.8b , v29.8b //ref_main_idx + 1 (row 7) 2510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v24.8b},[x2], x3 //st (row 4) 2530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v22.8b, v22.8h,#5 //round shft (row 5) 2540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2559cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v19.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 7) 2560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umull v20.8h, v14.8b, v7.8b //mul (row 6) 2570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v20.8h, v15.8b, v6.8b //mul (row 6) 2580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2599cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v23.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx + 1 (row 7) 2609cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v18.8h, v19.8b, v7.8b //mul (row 7) 2619cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umlal v18.8h, v23.8b, v6.8b //mul (row 7) 2620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v22.8b},[x2], x3 //st (row 5) 2640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v20.8b, v20.8h,#5 //round shft (row 6) 2650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v18.8b, v18.8h,#5 //round shft (row 7) 2660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v20.8b},[x2], x3 //st (row 6) 2680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs x10, x10, #4 //subtract 8 and go to end if 8x8 2700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v18.8b},[x2], x3 //st (row 7) 2720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq end_func 2740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs x11, x11, #8 //decrement the processed col 2760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x8, #4 2770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x8, x20, x8,gt 2780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x2, x7 2790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,gt 2800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x8, x12, x8,le 2810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x20, x2, x4 2820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,le 2830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x2, #8 2840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,le 2850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl x20, x4, #1 2860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x11,x20,x11,le 2870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar bgt lbl284 2880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar adrp x14, :got:col_for_intra_chroma 2890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr x14, [x14, #:got_lo12:col_for_intra_chroma] 2900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarlbl284: 2910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x0, #8 2920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x0, x20, x0,le 2930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld1 {v31.8b},[x14],#8 2959cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy smull v25.8h, v30.8b, v31.8b //(col+1)*intra_pred_angle [0:7](col) 2969cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy xtn v19.8b, v25.8h 2979cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sshr v25.8h, v25.8h,#5 2989cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sqxtn v23.8b, v25.8h 2999cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy shl v23.8b, v23.8b,#1 3000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x5, #0x302 //idx value for v is +1 of u 3010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v27.4h,w5 //row value inc or reset accordingly 3020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr w9, [x8] //loads index value 3030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sxtw x9,w9 3040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl x9, x9, #1 3050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x5, #22 3060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x5, x5, x0, lsl #1 3070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v16.8b,w5 3080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v26.8b,w9 3090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x5,x2 3119cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v23.8b, v23.8b , v27.8b //ref_main_idx (sub row) 3120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarkernel_8_16_32: 3140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v29.8b, #2 //contains #2 for adding to get ref_main_idx + 1 3159cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v26.8b , v23.8b //ref_main_idx 3169cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy mov v26.8b, v19.8b 3170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs x11, x11, #8 3190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x6, x1, x9 3209cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v19.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 7) 3219cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy add v2.8b, v2.8b , v16.8b //to compensate the pu1_src idx incremented by 8 3220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umull v20.8h, v14.8b, v7.8b //mul (row 6) 3249cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v23.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx - 1 (row 7) 3250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v20.8h, v15.8b, v6.8b //mul (row 6) 3260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x0, #8 3280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x0, x20, x0,le 3299cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v3.8b, v2.8b , v29.8b //ref_main_idx - 2 3300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x8, #4 3310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x8, x20, x8,gt 3320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld1 {v0.16b, v1.16b}, [x6] //stores the 32 values reqd based on indices values (from most idx) 3340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v22.8b, v22.8h,#5 //round shft (row 5) 3350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar bgt lbl326 3370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar adrp x14, :got:col_for_intra_chroma 3380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr x14, [x14, #:got_lo12:col_for_intra_chroma] 3390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarlbl326: 3400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v24.8b},[x5], x3 //st (row 4) 3410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x8, x12, x8,le 3420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x9,#0x302 3440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v27.4h,w9 //row value inc or reset accordingly 3459cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v4.8b, v2.8b , v29.8b //ref_main_idx (row 1) 3460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3479cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v5.8b, v3.8b , v29.8b //ref_main_idx - 1 (row 1) 3489cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v25.8b, { v0.16b, v1.16b}, v2.8b //load from ref_main_idx (row 0) 3490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v29.8b, #31 //contains #2 for adding to get ref_main_idx + 1 3500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3519cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v18.8h, v19.8b, v7.8b //mul (row 7) 3529cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v13.8b, { v0.16b, v1.16b}, v3.8b //load from ref_main_idx + 1 (row 0) 3539cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umlal v18.8h, v23.8b, v6.8b //mul (row 7) 3540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld1 {v31.8b},[x14],#8 3560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar and v6.8b, v29.8b , v26.8b //fract values in d1/ idx values in d0 3570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl x20, x4, #1 3590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x11,x20,x11,le 3600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movi v29.8b, #4 //contains #2 for adding to get ref_main_idx + 1 3610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr w9, [x8] 3620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sxtw x9,w9 3630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v22.8b},[x5], x3 //(from previous loop)st (row 5) 3650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v20.8b, v20.8h,#5 //(from previous loop)round shft (row 6) 3660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3679cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v2.8b , v29.8b //ref_main_idx (row 2) 3689cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v19.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 1) 3699cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v3.8b, v3.8b , v29.8b //ref_main_idx - 1 (row 2) 3700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl x9, x9, #1 3720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v7.8b, v28.8b , v6.8b //32-fract 3730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3749cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v24.8h, v25.8b, v7.8b //mul (row 0) 3750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar tbl v17.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx + 1 (row 1) 3760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v24.8h, v13.8b, v6.8b //mul (row 0) 3770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v20.8b},[x5], x3 //(from previous loop)st (row 6) 3790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v18.8b, v18.8h,#5 //(from previous loop)round shft (row 7) 3800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v4.8b, v4.8b , v29.8b //ref_main_idx (row 3) 3829cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v14.8b, { v0.16b, v1.16b}, v2.8b //load from ref_main_idx (row 2) 3830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v5.8b, v5.8b , v29.8b //ref_main_idx - 1 (row 3) 3840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3859cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v22.8h, v19.8b, v7.8b //mul (row 1) 3869cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v15.8b, { v0.16b, v1.16b}, v3.8b //load from ref_main_idx + 1 (row 2) 3870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v22.8h, v17.8b, v6.8b //mul (row 1) 3880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v24.8b, v24.8h,#5 //round shft (row 0) 3900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v18.8b},[x5], x3 //(from previous loop)st (row 7) 3910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3929cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v2.8b , v29.8b //ref_main_idx (row 4) 3939cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v19.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 3) 3949cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v3.8b, v3.8b , v29.8b //ref_main_idx - 1 (row 4) 3950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umull v20.8h, v14.8b, v7.8b //mul (row 2) 3979cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v23.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx + 1 (row 3) 3980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v20.8h, v15.8b, v6.8b //mul (row 2) 3990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x5,x2,x3,lsl#2 4010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar smull v14.8h, v30.8b, v31.8b //(col+1)*intra_pred_angle [0:7](col) 4020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x9, x9, x0, lsl #1 4030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v24.8b},[x2], x3 //st (row 0) 4050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v22.8b, v22.8h,#5 //round shft (row 1) 4060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v4.8b, v4.8b , v29.8b //ref_main_idx (row 5) 4089cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v25.8b, { v0.16b, v1.16b}, v2.8b //load from ref_main_idx (row 4) 4090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v5.8b, v5.8b , v29.8b //ref_main_idx - 1 (row 5) 4100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4119cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v18.8h, v19.8b, v7.8b //mul (row 3) 4129cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v13.8b, { v0.16b, v1.16b}, v3.8b //load from ref_main_idx + 1 (row 4) 4139cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umlal v18.8h, v23.8b, v6.8b //mul (row 3) 4140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v22.8b},[x2], x3 //st (row 1) 4160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v20.8b, v20.8h,#5 //round shft (row 2) 4170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4189cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy xtn v19.8b, v14.8h 4190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sshr v14.8h, v14.8h,#5 4200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4219cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v2.8b, v2.8b , v29.8b //ref_main_idx (row 6) 4220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar tbl v21.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 5) 4239cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v3.8b, v3.8b , v29.8b //ref_main_idx - 1 (row 6) 4240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4259cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v24.8h, v25.8b, v7.8b //mul (row 4) 4260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar tbl v17.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx + 1 (row 5) 4279cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sqxtn v23.8b, v14.8h 4280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v20.8b},[x2], x3 //st (row 2) 4300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v24.8h, v13.8b, v6.8b //mul (row 4) 4310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v18.8b, v18.8h,#5 //round shft (row 3) 4330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v26.8b,w9 4340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v4.8b, v4.8b , v29.8b //ref_main_idx (row 7) 4369cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v14.8b, { v0.16b, v1.16b}, v2.8b //load from ref_main_idx (row 6) 4370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub v5.8b, v5.8b , v29.8b //ref_main_idx - 1 (row 7) 4380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x6, #22 //to compensate the 2*row value 4409cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy shl v23.8b, v23.8b,#1 4410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x6, x6, x0, lsl #1 4420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umull v22.8h, v21.8b, v7.8b //mul (row 5) 4449cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v15.8b, { v0.16b, v1.16b}, v3.8b //load from ref_main_idx + 1 (row 6) 4450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v22.8h, v17.8b, v6.8b //mul (row 5) 4460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v18.8b},[x2], x3 //st (row 3) 4480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v24.8b, v24.8h,#5 //round shft (row 4) 4490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x2,x2,x3, lsl #2 4510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar dup v16.8b,w6 4520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x7, x2 4530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,gt 4540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x20, x2, x4 4560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,le 4579cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy sub v23.8b, v23.8b , v27.8b //ref_main_idx (add row) 4580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x20,x2,#8 4590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,le 4600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs x10, x10, #4 //subtract 8 and go to end if 8x8 4620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar bne kernel_8_16_32 4640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarepil_8_16_32: 4669cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v19.8b, { v0.16b, v1.16b}, v4.8b //load from ref_main_idx (row 7) 4670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umull v20.8h, v14.8b, v7.8b //mul (row 6) 4699cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy tbl v23.8b, { v0.16b, v1.16b}, v5.8b //load from ref_main_idx + 1 (row 7) 4700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar umlal v20.8h, v15.8b, v6.8b //mul (row 6) 4710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v24.8b},[x5], x3 //st (row 4) 4730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v24.8b, v22.8h,#5 //round shft (row 5) 4740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4759cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umull v18.8h, v19.8b, v7.8b //mul (row 7) 4769cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy umlal v18.8h, v23.8b, v6.8b //mul (row 7) 4770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v24.8b},[x5], x3 //(from previous loop)st (row 5) 4790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v20.8b, v20.8h,#5 //(from previous loop)round shft (row 6) 4800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v20.8b},[x5], x3 //(from previous loop)st (row 6) 4820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rshrn v18.8b, v18.8h,#5 //(from previous loop)round shft (row 7) 4830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v18.8b},[x5], x3 //st (row 7) 4850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarend_func: 4879cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy // ldmfd sp!,{x4-x12,x15} //reload the registers from sp 4880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldp x19, x20,[sp],#16 4899cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy ldp d8,d15,[sp],#16 // Loading d15 using { ldr d15,[sp]; add sp,sp,#8 } is giving bus error. 4909cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy // d8 is used as dummy register and loaded along with d15 using ldp. d8 is not used in the function. 4919cbd70a2930875be59d7df68136ac9a1a949a13dNaveen Kumar Ponnusamy ldp d13,d14,[sp],#16 4920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ret 4930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 501