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_mode2_neon.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//* yogeswaran rs 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] pi1_coeff 610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* word8 pointer to the planar coefficients 620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @param[in] nt 640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* size of tranform block 650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @param[in] mode 670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* type of filtering 680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @returns 700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* @remarks 720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* none 730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//* 740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//******************************************************************************* 750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//*/ 760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//void ihevc_intra_pred_luma_mode2(uword8 *pu1_ref, 780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// word32 src_strd, 790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// uword8 *pu1_dst, 800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// word32 dst_strd, 810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// word32 nt, 820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// word32 mode) 830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// 840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//**************variables vs registers***************************************** 850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x0 => *pu1_ref 860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x1 => src_strd 870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x2 => *pu1_dst 880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//x3 => dst_strd 890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//stack contents from #40 910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// nt 920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// mode 930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar// pi1_coeff 940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.text 960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.align 4 970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.include "ihevc_neon_macros.s" 980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.globl ihevc_intra_pred_chroma_mode2_av8 1020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.type ihevc_intra_pred_chroma_mode2_av8, %function 1040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarihevc_intra_pred_chroma_mode2_av8: 1060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar // stmfd sp!, {x4-x12, x14} //stack stores the values of the arguments 1080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar push_v_regs 1090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar stp x19, x20,[sp,#-16]! 1100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x8,#-4 1120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar cmp x4,#4 1140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq mode2_4 1150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x0,x0,x4,lsl #2 1170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x0,x0,#0x12 //src[1] 119d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer sub x10,x0,#2 1200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarprologue_cpy_32: 1220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v0.8b, v1.8b},[x0],x8 1240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x11,x4 1260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v16.8b, v0.8b 1270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v17.8b, v1.8b 1280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v2.8b, v3.8b},[x10],x8 1300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x6, x2 1310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v4.8b, v5.8b},[x0],x8 1330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v6.8b, v7.8b},[x10],x8 1340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsr x1, x4, #3 1350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v8.8b, v9.8b},[x0],x8 1370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v10.8b, v11.8b},[x10],x8 1380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v12.8b, v13.8b},[x0],x8 1390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mul x1, x4, x1 1400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v14.8b, v15.8b},[x10],x8 1420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x7,x6,x3 1430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v18.8b, v2.8b 1450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v19.8b, v3.8b 1460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl x5, x3, #2 1470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v20.8b, v4.8b 1490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v21.8b, v5.8b 1500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x9,x7,x3 1510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v22.8b, v6.8b 1530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v23.8b, v7.8b 1540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v24.8b, v8.8b 1560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v25.8b, v9.8b 1570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v26.8b, v10.8b 1590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs x1,x1,#8 1600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v27.8b, v11.8b 1620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v28.8b, v12.8b 1640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v29.8b, v13.8b 1650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v30.8b, v14.8b 1670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x14,x9,x3 1680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v31.8b, v15.8b 1690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar beq epilogue_mode2 1710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x12,x4,#8 1730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarkernel_mode2: 1750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v16.8b, v17.8b},[x6],x5 1770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v18.8b, v19.8b},[x7],x5 1780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs x11,x11,#8 1790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v20.8b, v21.8b},[x9],x5 1800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v22.8b, v23.8b},[x14],x5 1810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v24.8b, v25.8b},[x6],x5 1820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20,x2,#16 1830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,gt 1840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v26.8b, v27.8b},[x7],x5 1850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v28.8b, v29.8b},[x9],x5 1860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v30.8b, v31.8b},[x14],x5 1870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v0.8b, v1.8b},[x0],x8 1890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x11, x4, x11,le 1900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v2.8b, v3.8b},[x10],x8 1920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v4.8b, v5.8b},[x0],x8 1930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x2, x3, lsl #2 1940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,le 1950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v6.8b, v7.8b},[x10],x8 1960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v16.8b, v0.8b 1970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v8.8b, v9.8b},[x0],x8 1990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v10.8b, v11.8b},[x10],x8 2000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x20, x6,#16 2010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x2, x20, x2,le 2020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v12.8b, v13.8b},[x0],x8 2030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v17.8b, v1.8b 2040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v14.8b, v15.8b},[x10],x8 2050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs x12,x12,#8 2070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar mov x6, x2 2080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x20, x0, x4,lsl #1 2090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x0, x20, x0,le 2100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x7, x6, x3 2110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v18.8b, v2.8b 2130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x20, x0, #16 2140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x0, x20, x0,le 2150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v19.8b, v3.8b 2160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v20.8b, v4.8b 2180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar csel x12, x4, x12,le 2190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v21.8b, v5.8b 2200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v22.8b, v6.8b 2220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x9, x7, x3 2230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v23.8b, v7.8b 2240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v24.8b, v8.8b 226d91eedb8cdcdd3d4f23379517752d48fa5791604Bernhard Rosenkränzer sub x10,x0,#2 2270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v25.8b, v9.8b 2280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v26.8b, v10.8b 2300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar subs x1, x1, #8 2310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v27.8b, v11.8b 2320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v28.8b, v12.8b 2340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v29.8b, v13.8b 2350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v30.8b, v14.8b 2370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x14, x9, x3 2380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v31.8b, v15.8b 2390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar bne kernel_mode2 2410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarepilogue_mode2: 2430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v16.8b, v17.8b},[x6],x5 2450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v18.8b, v19.8b},[x7],x5 2460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v20.8b, v21.8b},[x9],x5 2470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v22.8b, v23.8b},[x14],x5 2480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v24.8b, v25.8b},[x6],x5 2490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v26.8b, v27.8b},[x7],x5 2500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v28.8b, v29.8b},[x9],x5 2510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st2 {v30.8b, v31.8b},[x14],x5 2520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar b end_func 2540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarmode2_4: 2560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar lsl x12,x4,#1 2580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x0,x0,x12 2590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar sub x0,x0,#2 2600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v12.8b, v13.8b},[x0],x8 2620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shl d0, d12,#32 2630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar add x10,x0,#2 2640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shl d1, d13,#32 2650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v0.8b, v0.8b 2670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v14.8b, v15.8b},[x10],x8 2680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shl d2, d14,#32 2690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v1.8b, v1.8b 2710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shl d3, d15,#32 2720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zip1 v0.8b, v0.8b, v1.8b 2730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zip2 v1.8b, v0.8b, v1.8b 2740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v0.8b},[x2],x3 2750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v2.8b, v2.8b 2770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v16.8b, v17.8b},[x0],x8 2780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shl d4, d16,#32 2790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v3.8b, v3.8b 2800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shl d5, d17,#32 2810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zip1 v2.8b, v2.8b, v3.8b 2820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zip2 v3.8b, v2.8b, v3.8b 2830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v4.8b, v4.8b 2840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v5.8b, v5.8b 2850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v2.8b},[x2],x3 2860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ld2 {v18.8b, v19.8b},[x10],x8 2890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shl d6, d18,#32 2900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zip1 v4.8b, v4.8b, v5.8b 2920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zip2 v5.8b, v4.8b, v5.8b 2930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shl d7, d19,#32 2940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v6.8b, v6.8b 2950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v4.8b},[x2],x3 2960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar rev64 v7.8b, v7.8b 2980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zip1 v6.8b, v6.8b, v7.8b 2990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zip2 v7.8b, v6.8b, v7.8b 3000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar st1 {v6.8b},[x2],x3 3010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarend_func: 3030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar // ldmfd sp!,{x4-x12,x15} //reload the registers from sp 3040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ldp x19, x20,[sp],#16 3050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pop_v_regs 3060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ret 3070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 313