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_19_to_25.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@* naveen sr 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@* chroma 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 740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@void ihevc_intra_pred_chroma_mode_19_to_25(uword8* pu1_ref, 750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ word32 src_strd, 760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ uword8* pu1_dst, 770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ word32 dst_strd, 780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ word32 nt, 790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ word32 mode) 800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ 810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@**************variables vs registers***************************************** 820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@r0 => *pu1_ref 830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@r1 => src_strd 840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@r2 => *pu1_dst 850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@r3 => dst_strd 860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@stack contents from #40 880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ nt 890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ mode 900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.text 920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.align 4 930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.globl ihevc_intra_pred_chroma_mode_19_to_25_a9q 980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.extern gai4_ihevc_ang_table 990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.extern gai4_ihevc_inv_ang_table 1000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.extern gau1_ihevc_planar_factor 1010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakargai4_ihevc_inv_ang_table_addr: 1030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.long gai4_ihevc_inv_ang_table - ulbl1 - 8 1040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakargau1_ihevc_planar_factor_addr: 1060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.long gau1_ihevc_planar_factor - ulbl2 - 8 1070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakargai4_ihevc_ang_table_addr_1: 1090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.long gai4_ihevc_ang_table - ulbl3 - 8 1100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakargai4_ihevc_ang_table_addr_2: 1120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.long gai4_ihevc_ang_table - ulbl4 - 8 1130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.type ihevc_intra_pred_chroma_mode_19_to_25_a9q, %function 1150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarihevc_intra_pred_chroma_mode_19_to_25_a9q: 1170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar stmfd sp!, {r4-r12, r14} @stack stores the values of the arguments 1190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r4,[sp,#40] @loads nt 1210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r7, gai4_ihevc_ang_table_addr_1 1220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarulbl3: 1230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r7,r7,pc 1240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r5,[sp,#44] @mode (19 to 25) 1260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r8, gai4_ihevc_inv_ang_table_addr 1270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarulbl1: 1280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r8,r8,pc 1290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r7, r7, r5, lsl #2 @gai4_ihevc_ang_table[mode] 1310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r8, r8, r5, lsl #2 @gai4_ihevc_inv_ang_table 1320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r8, r8, #48 @gai4_ihevc_inv_ang_table[mode - 12] 1330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r7, [r7] @intra_pred_ang 1350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub sp, sp, #132 @ref_temp[2 * max_cu_size + 2] 1360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r8, [r8] @inv_ang 1380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r6, sp, r4 , lsl #1 @ref_temp + 2 * nt 1390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mul r9, r4, r7 @nt*intra_pred_ang 1410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r6, r6, #2 @ref_temp + 2*nt - 2 1430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r1, r0, r4, lsl #2 @r1 = &src[4nt] 1450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d30, r7 @intra_pred_ang 1460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r7, r4 1480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar asr r9, r9, #5 1500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.32 d0,[r1]! @ pu1_ref[two_nt + k] 1520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.32 d0,[r6]! @ref_temp[k + nt - 1] = pu1_ref[two_nt + k]@ 1540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs r7, r7, #4 1560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq end_loop_copy 1570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs r7,r7,#4 1580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq loop_copy_8 1590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs r7,r7,#8 1600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq loop_copy_16 1610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarloop_copy_32: 1630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d0,d1,d2,d3},[r1]! 1640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d4,d5,d6},[r1]! 1650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d0,d1,d2,d3},[r6]! 1670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d4,d5,d6},[r6]! 1700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar b end_loop_copy 1710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarloop_copy_16: 1730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d0,d1,d2},[r1]! 1740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d0,d1,d2},[r6]! 1750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar b end_loop_copy 1770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarloop_copy_8: 1790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 d0,[r1]! 1800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 d0,[r6]! 1810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarend_loop_copy: 1830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldrh r11, [r1] 1850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar strh r11, [r6] 1860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmp r9, #-1 1880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar bge linear_filtering 1890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r6, sp, r4 ,lsl #1 @ref_temp + 2 * nt 1910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r6, r6, #4 @ref_temp + 2 * nt - 2 - 2 1920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r12, #0xffffffff 1940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rsb r9, r9, r12 @count to take care off ref_idx 1960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r1, r0, r4, lsl #2 @r1 = &src[2nt] 1980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r7, #128 @inv_ang_sum 2000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarloop_copy_ref_idx: 2020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r7, r7, r8 @inv_ang_sum += inv_ang 2040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r0,r7, lsr #8 2050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r0,r0, lsl #1 2060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldrh r11, [r1, -r0] 2070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar strh r11, [r6], #-2 2080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs r9, r9, #1 2100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar bne loop_copy_ref_idx 2120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarlinear_filtering: 2150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ after copy 2160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ below code is taken from mode 27 to 33 and modified 2170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r6,gai4_ihevc_ang_table_addr_2 @loads word32 gai4_ihevc_ang_table[35] 2190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarulbl4: 2200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r6,r6,pc 2210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl r7,r4,#2 @four_nt 2230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r8,r6,r5,lsl #2 @*gai4_ihevc_ang_table[mode] 2250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r9,[r8] @intra_pred_ang = gai4_ihevc_ang_table[mode] 2260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r1,gau1_ihevc_planar_factor_addr @used for ((row + 1) * intra_pred_ang) row values 2270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarulbl2: 2280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r1,r1,pc 2290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r6,r1,#1 2300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r8, sp, r4, lsl #1 @ref_temp + 2 * nt 2320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r8,#2 @ref_temp + 2*nt -2 2330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov lr,#0 @row 2350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r12,r4 2360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl r4,r4,#1 2370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarcore_loop_8: 2390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r8,r8,#2 @pu1_ref_main_idx += (four_nt + 1) 2400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d0,r9 @intra_pred_ang 2410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r12,r4,lsr #4 @divide by 8 2420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmov.i8 d1,#32 2440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mul r7,r4,r12 2450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmov.i16 q3,#31 2470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r1,r8 2500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r5,r4 2520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov r11,#2 2530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarprologue: 2550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d3},[r6] @loads the row value 2560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.s8 q1,d3,d0 @pos = ((row + 1) * intra_pred_ang) 2570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vand q2,q1,q3 @dup_const_fract(fract = pos & (31)) 2580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmovn.i16 d4,q2 2590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshrn.s16 d5,q1,#5 @idx = pos >> 5 2600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshl.s8 d5,d5,#1 2610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d31,d4[0] 2630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r0,r2,r3 2640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmov.u32 lr,d5[0] @(i row)extract idx to the r register 2660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ lsl lr,lr,#1 2670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d29,d4[1] @(ii) 2690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#0,#8 2700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(i row)*pu1_ref[ref_main_idx] 2720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d8},[r10],r11 @(i row)ref_main_idx 2740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#8,#8 2750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d9},[r10] @(i row)ref_main_idx_1 2770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r8,r9 @(ii)*pu1_ref[ref_main_idx] 2780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#16,#8 2800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d30,d1,d31 @32-fract(dup_const_32_fract) 2810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(iii)*pu1_ref[ref_main_idx] 2820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d12},[r12],r11 @(ii)ref_main_idx 2840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q5,d8,d30 @(i row)vmull_u8(ref_main_idx, dup_const_32_fract) 2850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d13},[r12] @(ii)ref_main_idx_1 2870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q5,d9,d31 @(i row)vmull_u8(ref_main_idx_1, dup_const_fract) 2880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d27,d4[2] @(iii) 2900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d28,d1,d29 @(ii)32-fract(dup_const_32_fract) 2910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#24,#8 2920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d25,d4[3] @(iv) 2940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q7,d12,d28 @(ii)vmull_u8(ref_main_idx, dup_const_32_fract) 2950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r8,r9 @(iv)*pu1_ref[ref_main_idx] 2960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d16},[r10],r11 @(iii)ref_main_idx 2980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q7,d13,d29 @(ii)vmull_u8(ref_main_idx_1, dup_const_fract) 2990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d17},[r10] @(iii)ref_main_idx_1 3010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d10,q5,#5 @(i row)shift_res = vrshrn_n_u16(add_res, 5) 3020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d20},[r12],r11 @(iv)ref_main_idx 3040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d26,d1,d27 @(iii)32-fract(dup_const_32_fract) 3050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d21},[r12] @(iv)ref_main_idx_1 3070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d31,d4[4] @(v) 3090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q9,d16,d26 @(iii)vmull_u8(ref_main_idx, dup_const_32_fract) 3100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmov.u32 lr,d5[1] @extract idx to the r register 3120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q9,d17,d27 @(iii)vmull_u8(ref_main_idx_1, dup_const_fract) 3130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ lsl lr,lr,#1 3140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d10},[r2]! @(i row) 3160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d14,q7,#5 @(ii)shift_res = vrshrn_n_u16(add_res, 5) 3170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#0,#8 3190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d29,d4[5] @(vi) 3200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(v)*pu1_ref[ref_main_idx] 3210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d8},[r10],r11 @(v)ref_main_idx 3230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d24,d1,d25 @(iv)32-fract(dup_const_32_fract) 3240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q11,d20,d24 @(iv)vmull_u8(ref_main_idx, dup_const_32_fract) 3260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#8,#8 3270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d9},[r10] @(v)ref_main_idx_1 3290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q11,d21,d25 @(iv)vmull_u8(ref_main_idx_1, dup_const_fract) 3300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d14},[r0],r3 @(ii) 3320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d18,q9,#5 @(iii)shift_res = vrshrn_n_u16(add_res, 5) 3330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r8,r9 @(vi)*pu1_ref[ref_main_idx] 3350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d27,d4[6] @(vii) 3360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#16,#8 3380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d30,d1,d31 @(v)32-fract(dup_const_32_fract) 3390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(vii)*pu1_ref[ref_main_idx] 3400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d12},[r12],r11 @(vi)ref_main_idx 3420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q5,d8,d30 @(v)vmull_u8(ref_main_idx, dup_const_32_fract) 3430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d13},[r12] @(vi)ref_main_idx_1 3450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q5,d9,d31 @(v)vmull_u8(ref_main_idx_1, dup_const_fract) 3460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d18},[r0],r3 @(iii) 3480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d22,q11,#5 @(iv)shift_res = vrshrn_n_u16(add_res, 5) 3490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d25,d4[7] @(viii) 3510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#24,#8 3520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d16},[r10],r11 @(vii)ref_main_idx 3540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d28,d1,d29 @(vi)32-fract(dup_const_32_fract) 3550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d17},[r10] @(vii)ref_main_idx_1 3570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q7,d12,d28 @(vi)vmull_u8(ref_main_idx, dup_const_32_fract) 3580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r8,r9 @(viii)*pu1_ref[ref_main_idx] 3600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q7,d13,d29 @(vi)vmull_u8(ref_main_idx_1, dup_const_fract) 3610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs r7,r7,#8 3620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d22},[r0],r3 @(iv) 3640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmp r4,#8 @ go to end if 4x4 3650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq end_loops 3660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d10,q5,#5 @(v)shift_res = vrshrn_n_u16(add_res, 5) 3680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d20},[r12],r11 @(viii)ref_main_idx 3700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d26,d1,d27 @(vii)32-fract(dup_const_32_fract) 3710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d21},[r12] @(viii)ref_main_idx_1 3730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q9,d16,d26 @(vii)vmull_u8(ref_main_idx, dup_const_32_fract) 3740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar addgt r8,r8,#8 3760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q9,d17,d27 @(vii)vmull_u8(ref_main_idx_1, dup_const_fract) 3770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subgt r4,r4,#8 3780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d10},[r0],r3 @(v) 3800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d14,q7,#5 @(vi)shift_res = vrshrn_n_u16(add_res, 5) 3810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq epilogue 3830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d5},[r6] @loads the row value 3850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.s8 q1,d5,d0 @pos = ((row + 1) * intra_pred_ang) 3860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vand q2,q1,q3 @dup_const_fract(fract = pos & (31)) 3870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmovn.i16 d4,q2 3880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshrn.s16 d3,q1,#5 @idx = pos >> 5 3890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshl.s8 d3,d3,#1 3900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmov.u32 lr,d3[0] @(i)extract idx to the r register 3910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ lsl lr,lr,#1 3920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#0,#8 3930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(i)*pu1_ref[ref_main_idx] 3940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarkernel_8_rows: 3960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d31,d4[0] 3970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs r4,r4,#8 3980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#8,#8 3990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d8},[r10],r11 @(i)ref_main_idx 4010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d24,d1,d25 @(viii)32-fract(dup_const_32_fract) 4020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar addle r6,r6,#8 @increment the row value 4040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r8,r9 @(ii)*pu1_ref[ref_main_idx] 4050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d9},[r10] @(i)ref_main_idx_1 4070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q11,d20,d24 @(viii)vmull_u8(ref_main_idx, dup_const_32_fract) 4080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d5},[r6] @loads the row value 4100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q11,d21,d25 @(viii)vmull_u8(ref_main_idx_1, dup_const_fract) 4110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d29,d4[1] @(ii) 4130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d18,q9,#5 @(vii)shift_res = vrshrn_n_u16(add_res, 5) 4140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#16,#8 4160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d14},[r0],r3 @(vi) 4180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d30,d1,d31 @(i)32-fract(dup_const_32_fract) 4190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(iii)*pu1_ref[ref_main_idx] 4210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d12},[r12],r11 @(ii)ref_main_idx 4230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q5,d8,d30 @(i)vmull_u8(ref_main_idx, dup_const_32_fract) 4240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d13},[r12] @(ii)ref_main_idx_1 4260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q5,d9,d31 @(i)vmull_u8(ref_main_idx_1, dup_const_fract) 4270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#24,#8 4290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movle r4,r5 @reload nt 4300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmov.u32 lr,d3[1] @extract idx to the r register 4320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d22,q11,#5 @(viii)shift_res = vrshrn_n_u16(add_res, 5) 4330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d27,d4[2] @(iii) 4350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d28,d1,d29 @(ii)32-fract(dup_const_32_fract) 4360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r8,r9 @(iv)*pu1_ref[ref_main_idx] 4370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d16},[r10],r11 @(iii)ref_main_idx 4390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q7,d12,d28 @(ii)vmull_u8(ref_main_idx, dup_const_32_fract) 4400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d18},[r0],r3 @(vii) 4420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q7,d13,d29 @(ii)vmull_u8(ref_main_idx_1, dup_const_fract) 4430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d17},[r10] @(iii)ref_main_idx_1 4450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d10,q5,#5 @(i)shift_res = vrshrn_n_u16(add_res, 5) 4460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d25,d4[3] @(iv) 4480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.s8 q1,d5,d0 @pos = ((row + 1) * intra_pred_ang) 4490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d22},[r0] @(viii) 4510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d26,d1,d27 @(iii)32-fract(dup_const_32_fract) 4520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d20},[r12],r11 @(iv)ref_main_idx 4540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q9,d16,d26 @(iii)vmull_u8(ref_main_idx, dup_const_32_fract) 4550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ lsl lr,lr,#1 4560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d21},[r12] @(iv)ref_main_idx_1 4580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q9,d17,d27 @(iii)vmull_u8(ref_main_idx_1, dup_const_fract) 4590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#0,#8 4610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r0,r2,r3 4620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d31,d4[4] @(v) 4640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d14,q7,#5 @(ii)shift_res = vrshrn_n_u16(add_res, 5) 4650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(v)*pu1_ref[ref_main_idx] 4670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#8,#8 4680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d10},[r2]! @(i) 4700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d24,d1,d25 @(iv)32-fract(dup_const_32_fract) 4710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d29,d4[5] @(vi) 4730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q11,d20,d24 @(iv)vmull_u8(ref_main_idx, dup_const_32_fract) 4740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d27,d4[6] @(vii) 4760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q11,d21,d25 @(iv)vmull_u8(ref_main_idx_1, dup_const_fract) 4770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r8,r9 @(vi)*pu1_ref[ref_main_idx] 4790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#16,#8 4800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d25,d4[7] @(viii) 4820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d18,q9,#5 @(iii)shift_res = vrshrn_n_u16(add_res, 5) 4830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d8},[r10],r11 @(v)ref_main_idx 4850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vand q2,q1,q3 @dup_const_fract(fract = pos & (31)) 4860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d9},[r10] @(v)ref_main_idx_1 4880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshrn.s16 d3,q1,#5 @idx = pos >> 5 4890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d14},[r0],r3 @(ii) 4910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d22,q11,#5 @(iv)shift_res = vrshrn_n_u16(add_res, 5) 4920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(vii)*pu1_ref[ref_main_idx] 4940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#24,#8 4950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d12},[r12],r11 @(vi)ref_main_idx 4970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d30,d1,d31 @(v)32-fract(dup_const_32_fract) 4980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshl.s8 d3,d3,#1 5000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d13},[r12] @(vi)ref_main_idx_1 5020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q5,d8,d30 @(v)vmull_u8(ref_main_idx, dup_const_32_fract) 5030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmov.u32 lr,d3[0] @(i)extract idx to the r register 5050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q5,d9,d31 @(v)vmull_u8(ref_main_idx_1, dup_const_fract) 5060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r8,r9 @(viii)*pu1_ref[ref_main_idx] 5080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar movle r8,r1 @reload the source to pu1_src+2nt 5090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d16},[r10],r11 @(vii)ref_main_idx 5110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d28,d1,d29 @(vi)32-fract(dup_const_32_fract) 5120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d18},[r0],r3 @(iii) 5140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q7,d12,d28 @(vi)vmull_u8(ref_main_idx, dup_const_32_fract) 5150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d17},[r10] @(vii)ref_main_idx_1 5170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q7,d13,d29 @(vi)vmull_u8(ref_main_idx_1, dup_const_fract) 5180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d20},[r12],r11 @(viii)ref_main_idx 5200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d10,q5,#5 @(v)shift_res = vrshrn_n_u16(add_res, 5) 5210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d21},[r12] @(viii)ref_main_idx_1 5230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d26,d1,d27 @(vii)32-fract(dup_const_32_fract) 5240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar addgt r8,r8,#8 @increment the source next set 8 columns in same row 5260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lslle r12,r3,#3 5270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar suble r12,r12,r5 5280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d22},[r0],r3 @(iv) 5300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q9,d16,d26 @(vii)vmull_u8(ref_main_idx, dup_const_32_fract) 5310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d10},[r0],r3 @(v) 5330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q9,d17,d27 @(vii)vmull_u8(ref_main_idx_1, dup_const_fract) 5340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar addle r2,r2,r12 @increment the dst pointer to 8*dst_strd - nt 5360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sbfx r9,lr,#0,#8 5370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmovn.i16 d4,q2 5390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d14,q7,#5 @(vi)shift_res = vrshrn_n_u16(add_res, 5) 5400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ lsl lr,lr,#1 5410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs r7,r7,#8 5430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r10,r8,r9 @(i)*pu1_ref[ref_main_idx] 5440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar bne kernel_8_rows 5460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarepilogue: 5480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d14},[r0],r3 @(vi) 5490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d18,q9,#5 @(vii)shift_res = vrshrn_n_u16(add_res, 5) 5500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsub.u8 d24,d1,d25 @(viii)32-fract(dup_const_32_fract) 5520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmull.u8 q11,d20,d24 @(viii)vmull_u8(ref_main_idx, dup_const_32_fract) 5530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmlal.u8 q11,d21,d25 @(viii)vmull_u8(ref_main_idx_1, dup_const_fract) 5540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d18},[r0],r3 @(vii) 5560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vrshrn.i16 d22,q11,#5 @(viii)shift_res = vrshrn_n_u16(add_res, 5) 5570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d22},[r0],r3 @(viii) 5590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar b end_loops 5600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarcore_loop_4: 5620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarend_loops: 5640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add sp, sp, #132 5650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldmfd sp!,{r4-r12,r15} @reload the registers from sp 5660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 572