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_luma_horz_neon.s 220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @brief 240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* contains function definition for intra prediction interpolation filters 250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @author 280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* parthiban v 290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @par list of functions: 310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* - ihevc_intra_pred_luma_horz() 320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @remarks 340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* none 350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@******************************************************************************* 370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@*/ 380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ 390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@/** 400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@******************************************************************************* 410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @brief 430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* intra prediction interpolation filter for horizontal luma variable. 440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @par description: 460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* horizontal intraprediction(mode 10) with.extern samples location 470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* pointed by 'pu1_ref' to the tu block location pointed by 'pu1_dst' refer 480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* to section 8.4.4.2.6 in the standard (special case) 490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @param[in] pu1_src 510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* uword8 pointer to the source 520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @param[out] pu1_dst 540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* uword8 pointer to the destination 550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @param[in] src_strd 570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* integer source stride 580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @param[in] dst_strd 600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* integer destination stride 610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @param[in] nt 630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* integer transform block size 640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @param[in] mode 660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* integer intraprediction mode 670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @returns 690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @remarks 710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* none 720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@******************************************************************************* 740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@*/ 750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@void ihevc_intra_pred_luma_horz(uword8 *pu1_ref, 760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ word32 src_strd, 770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ uword8 *pu1_dst, 780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ word32 dst_strd, 790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ word32 nt, 800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ word32 mode) 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.text 880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.align 4 890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.globl ihevc_intra_pred_luma_horz_a9q 940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.type ihevc_intra_pred_luma_horz_a9q, %function 960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarihevc_intra_pred_luma_horz_a9q: 980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar stmfd sp!, {r4-r12, r14} @stack stores the values of the arguments 1000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldr r4,[sp,#40] @loads nt 1020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @ldr r5,[sp,#44] @loads mode 1030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl r6,r4,#1 @two_nt 1050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r0,r6 @*pu1_ref[two_nt] 1070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmp r4,#4 @if nt == 4 1080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq core_loop_4 1090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmp r4,#8 @if nt == 8 1110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq core_loop_8 1120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmp r4,#16 @if nt == 16 1140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq core_loop_16 1150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r12,r12,#16 @move to 16th value pointer 1160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r9,r2,#16 1170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarcore_loop_32: 1190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {q0},[r12] @load 16 values. d1[7] will have the 1st value. 1200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q1,d1[7] @duplicate the i value. 1220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q2,d1[6] @duplicate the ii value. 1240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q3,d1[5] @duplicate the iii value. 1250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r2],r3 @store in 1st row 0-16 columns 1260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r9],r3 @store in 1st row 16-32 columns 1270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q4,d1[4] 1290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r2],r3 1300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r9],r3 1310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q1,d1[3] 1330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r2],r3 1340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r9],r3 1350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q2,d1[2] 1370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r2],r3 1380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r9],r3 1390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q3,d1[1] 1410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r2],r3 1420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r9],r3 1430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q4,d1[0] 1450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r2],r3 1460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r9],r3 1470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q1,d0[7] 1490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r2],r3 1500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r9],r3 1510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q2,d0[6] 1530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r2],r3 1540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r9],r3 1550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q3,d0[5] 1570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r2],r3 1580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r9],r3 1590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q4,d0[4] 1610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r2],r3 1620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r9],r3 1630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q1,d0[3] 1650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r2],r3 1660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r9],r3 1670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q2,d0[2] 1690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r2],r3 1700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r9],r3 1710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q3,d0[1] 1730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r2],r3 1740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r9],r3 1750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r12,r12,#16 @move to 16th value pointer 1760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q4,d0[0] 1780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r2],r3 1790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r9],r3 1800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs r4,r4,#16 @decrement the loop count by 16 1820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r2],r3 1830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r9],r3 1840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r2],r3 1860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r9],r3 1870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar bgt core_loop_32 1880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldmfd sp!,{r4-r12,r15} @reload the registers from sp 1890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar b end_func 1900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarcore_loop_16: 1920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldrb lr,[r12],#1 @pu1_ref[two_nt] 1930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {q15},[r12] @pu1_ref[two_nt + 1 + col] 1940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d28,lr 1960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r12,r12,#17 1970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {q0},[r12] 1980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d26,d1[7] 1990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmovl.u8 q13,d26 2000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q1,d1[6] 2020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsubl.u8 q12,d30,d28 2030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q2,d1[5] 2050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshr.s16 q12,q12,#1 2060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q3,d1[4] 2080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vqadd.s16 q11,q13,q12 2090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q4,d1[3] 2110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vqmovun.s16 d22,q11 2120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d22},[r2]! 2140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q5,d1[2] 2160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsubl.u8 q12,d31,d28 2170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q6,d1[1] 2190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshr.s16 q12,q12,#1 2200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q7,d1[0] 2220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vqadd.s16 q11,q13,q12 2230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q8,d0[7] 2250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vqmovun.s16 d22,q11 2260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d22},[r2],r3 2280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r2,r2,#8 2290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r2],r3 2310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r2],r3 2330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r2],r3 2340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r2],r3 2350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q1,d0[6] 2370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q5},[r2],r3 2380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q2,d0[5] 2400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q6},[r2],r3 2410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q3,d0[4] 2430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q7},[r2],r3 2440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q4,d0[3] 2460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q8},[r2],r3 2470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q5,d0[2] 2490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q1},[r2],r3 2500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q6,d0[1] 2520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q2},[r2],r3 2530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 q7,d0[0] 2550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q3},[r2],r3 2560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q4},[r2],r3 2580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q5},[r2],r3 2590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q6},[r2],r3 2600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {q7},[r2],r3 2610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldmfd sp!,{r4-r12,r15} @reload the registers from sp 2630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar b end_func 2640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarcore_loop_8: 2670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldrb lr,[r12] @pu1_ref[two_nt] 2680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r12,#1 @pu1_ref[two_nt + 1] 2690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d30},[r12] @pu1_ref[two_nt + 1 + col] 2700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r12,r12,#9 2720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d0},[r12] 2730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d26,d0[7] 2740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d28,lr 2750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d3,d0[6] 2770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmovl.u8 q13,d26 2780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d4,d0[5] 2800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsubl.u8 q12,d30,d28 2810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d5,d0[4] 2830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshr.s16 q12,q12,#1 2840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d6,d0[3] 2860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vqadd.s16 q11,q13,q12 2870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d7,d0[2] 2890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vqmovun.s16 d22,q11 2900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d22},[r2],r3 2920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d3},[r2],r3 2930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d8,d0[1] 2950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d4},[r2],r3 2960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d5},[r2],r3 2970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d9,d0[0] 2990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d6},[r2],r3 3000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d7},[r2],r3 3010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d8},[r2],r3 3030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.8 {d9},[r2],r3 3040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldmfd sp!,{r4-r12,r15} @reload the registers from sp 3050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar b end_func 3060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarcore_loop_4: 3090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldrb lr,[r12] @pu1_ref[two_nt] 3100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add r12,r12,#1 @pu1_ref[two_nt + 1] 3110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d30},[r12] @pu1_ref[two_nt + 1 + col] 3120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub r12,r12,#5 3140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vld1.8 {d0},[r12] 3150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d28,lr 3160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d26,d0[3] 3170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vmovl.u8 q13,d26 3180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d3,d0[2] 3200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vsubl.u8 q12,d30,d28 3210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d4,d0[1] 3230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vshr.s16 q12,q12,#1 3240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vdup.8 d5,d0[0] 3260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vqadd.s16 q11,q13,q12 3270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vqmovun.s16 d22,q11 3290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.32 {d22[0]},[r2],r3 3310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.32 {d3[0]},[r2],r3 3320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.32 {d4[0]},[r2],r3 3330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar vst1.32 {d5[0]},[r2],r3 3340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldmfd sp!,{r4-r12,r15} @reload the registers from sp 3360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarend_func: 3370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 340