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@* ihevcd_fmt_conv_420sp_to_420sp.s 220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @brief 240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* contains function definitions for format conversions 250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @author 270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* ittiam 280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @par list of functions: 300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* @remarks 330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* none 340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@*******************************************************************************/ 360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar .equ DO1STROUNDING, 0 370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @ ARM 390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @ 400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @ PRESERVE8 410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.text 430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.p2align 2 440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@/***************************************************************************** 500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Function Name : ihevcd_fmt_conv_420sp_to_420sp() * 520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Description : This function conversts the image from YUV420SP color * 540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* space to 420SP color space(UV interleaved). * 550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Arguments : R0 pu1_y * 570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* R1 pu1_uv * 580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* R2 pu1_dest_y * 590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* R3 pu1_dest_uv * 600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* [R13 #40] u2_width * 610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* [R13 #44] u2_height * 620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* [R13 #48] u2_stridey * 630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* [R13 #52] u2_stridechroma * 640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* [R13 #56] u2_dest_stridey * 650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* [R13 #60] u2_dest_stridechroma * 660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Values Returned : None * 680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Register Usage : R0 - R14 * 700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Stack Usage : 40 Bytes * 720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Interruptibility : Interruptible * 740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Known Limitations * 760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Assumptions: Image Width: Assumed to be multiple of 2 and * 770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Image Height: Assumed to be even. * 780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* Revision History : * 800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* DD MM YYYY Author(s) Changes (Describe the changes made) * 810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* 16 05 2012 Naveen SR draft * 820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@* * 830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@*****************************************************************************/ 840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar .global ihevcd_fmt_conv_420sp_to_420sp_a9q 860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar.type ihevcd_fmt_conv_420sp_to_420sp_a9q, %function 870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarihevcd_fmt_conv_420sp_to_420sp_a9q: 880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar STMFD sp!,{r4-r12, lr} 900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR r5,[sp,#56] @//Load u2_dest_stridey 930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR r7,[sp,#48] @//Load u2_stridey 950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR r8,[sp,#40] @//Load u2_width 960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR r9,[sp,#44] @//Load u2_height 970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB r10,r7,r8 @// Src Y increment 990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB r11,r5,r8 @// Dst Y increment 1000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @/* Copy Y */ 1020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV r4,r9 @// Copying height 1040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakary_row_loop: 1050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV r6,r8 @// Copying width 1060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakary_col_loop: 1080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar PLD [r0, #128] 1090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB r6,r6,#32 1100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D0,[r0]! 1110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D1,[r0]! 1120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D2,[r0]! 1130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D3,[r0]! 1140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D0,[R2]! 1150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D1,[R2]! 1160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D2,[R2]! 1170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D3,[R2]! 1180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP r6,#32 1190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BGE y_col_loop 1200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP r6,#0 1210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BEQ y_col_loop_end 1220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @//If non-multiple of 16, then go back by few bytes to ensure 16 bytes can be read 1230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @//Ex if width is 162, above loop will process 160 pixels. And 1240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @//Both source and destination will point to 146th pixel and then 16 bytes will be read 1250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @// and written using VLD1 and VST1 1260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar RSB r6,r6,#32 1270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB r0,r0,r6 1280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB R2,R2,r6 1290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D0,[r0]! 1300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D1,[r0]! 1310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D2,[r0]! 1320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D3,[r0]! 1330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D0,[R2]! 1340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D1,[R2]! 1350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D2,[R2]! 1360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D3,[R2]! 1370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakary_col_loop_end: 1390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD r0, r0, r10 1400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD R2, R2, r11 1410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUBS r4, r4, #1 1420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BGT y_row_loop 1430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @/* Copy UV */ 1470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR r5,[sp,#60] @//Load u2_dest_stridechroma 1490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDR r7,[sp,#52] @//Load u2_stridechroma 1500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV r9,r9,LSR #1 @// height/2 1520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar@ MOV r8,r8,LSR #1 @// Width/2 1530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV R2,R3 @pu1_dest_uv 1550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB r10,r7,r8 @// Src UV increment 1570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB r11,r5,r8 @// Dst UV increment 1580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV r4,r9 @// Copying height 1600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakaruv_row_loop: 1610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar MOV r6,r8 @// Copying width 1620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakaruv_col_loop: 1640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar PLD [r1, #128] 1660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB r6,r6,#16 1670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D0,[r1]! 1680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D1,[r1]! 1690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D0,[R2]! 1700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D1,[R2]! 1710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP r6,#16 1720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BGE uv_col_loop 1730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CMP r6,#0 1740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BEQ u_col_loop_end 1750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @//If non-multiple of 16, then go back by few bytes to ensure 16 bytes can be read 1760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @//Ex if width is 162, above loop will process 160 pixels. And 1770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @//Both source and destination will point to 146th pixel and then 16 bytes will be read 1780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar @// and written using VLD1 and VST1 1790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar RSB r6,r6,#16 1800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB r1,r1,r6 1810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUB R2,R2,r6 1820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D0, [r1]! 1830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VLD1.8 D1, [r1]! 1840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D0, [R2]! 1850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar VST1.8 D1, [R2]! 1860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakaru_col_loop_end: 1880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD r1, r1, r10 1890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ADD R2, R2, r11 1900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar SUBS r4, r4, #1 1910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar BGT uv_row_loop 1920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarexit: 1940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar LDMFD sp!,{r4-r12, pc} 1950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar .section .note.GNU-stack,"",%progbits 1980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 199