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/*
* Copyright 2004-2010 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 2
ENTRY(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
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