?? rotate90_u16_qcif.s
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/* * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. *//* * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License * Version 2 or later at the following locations: * * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html */#include <linux/linkage.h> .text .align 2ENTRY(opl_rotate90_u16_qcif) STMFD sp!,{r4-r10} MOV r12,#0x160 MOV r10,#0x90 MOV r3,r10,LSR #4.L1.216: RSB r2,r3,r10,LSR #4 MOV r4,#0x20 SMULBB r5,r4,r2 MOV r4,#0x1600 SMULBB r2,r4,r2 ADD r4,r0,#0xc000 ADD r4,r4,#0x4a0 SUB r4,r4,r2 MOV r2,r12,LSR #1 ADD r5,r1,r5.L1.256: LDRH r6,[r4],-r12 LDRH r7,[r4],-r12 LDRH r8,[r4],-r12 LDRH r9,[r4],-r12 ORR r6,r6,r7,LSL #16 ORR r7,r8,r9,LSL #16 STMIA r5!,{r6,r7} SUBS r2,r2,#1 LDRH r6,[r4],-r12 LDRH r7,[r4],-r12 LDRH r8,[r4],-r12 LDRH r9,[r4],-r12 ORR r6,r6,r7,LSL #16 ORR r7,r8,r9,LSL #16 STMIA r5!,{r6,r7} LDRH r6,[r4],-r12 LDRH r7,[r4],-r12 LDRH r8,[r4],-r12 LDRH r9,[r4],-r12 ORR r6,r6,r7,LSL #16 ORR r7,r8,r9,LSL #16 STMIA r5!,{r6,r7} LDRH r6,[r4],-r12 LDRH r7,[r4],-r12 LDRH r8,[r4],-r12 LDRH r9,[r4],-r12 ORR r6,r6,r7,LSL #16 ORR r7,r8,r9,LSL #16 ADD r4,r4,#0x1600 STMIA r5!,{r6,r7} ADD r5,r5,#0x100 ADD r4,r4,#2 BGT .L1.256 SUBS r3,r3,#1 BGT .L1.216 LDMFD sp!,{r4-r10} BX lr .size opl_rotate90_u16_qcif, . - opl_rotate90_u16_qcif?? 快捷鍵說明
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