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/*
* (c) Copyright 2007-2008 ARM Limited. All Rights Reserved.
*
*/
.eabi_attribute 24, 1
.eabi_attribute 25, 1
.arm
.fpu neon
.text
.global armVCM4P10_InterpolateLuma_HorAlign9x_unsafe
.func armVCM4P10_InterpolateLuma_HorAlign9x_unsafe
armVCM4P10_InterpolateLuma_HorAlign9x_unsafe:
MOV r12,r8
AND r7,r0,#3
BIC r0,r0,#3
ADD pc,pc,r7,LSL #2
NOP
B Copy0toAligned
B Copy1toAligned
B Copy2toAligned
B Copy3toAligned
Copy0toAligned:
LDM r0,{r7,r10,r11}
SUBS r9,r9,#1
ADD r0,r0,r1
STM r8!,{r7,r10,r11}
BGT Copy0toAligned
B CopyEnd
Copy1toAligned:
LDM r0,{r7,r10,r11}
SUBS r9,r9,#1
ADD r0,r0,r1
LSR r7,r7,#8
ORR r7,r7,r10,LSL #24
LSR r10,r10,#8
ORR r10,r10,r11,LSL #24
LSR r11,r11,#8
STM r8!,{r7,r10,r11}
BGT Copy1toAligned
B CopyEnd
Copy2toAligned:
LDM r0,{r7,r10,r11}
SUBS r9,r9,#1
ADD r0,r0,r1
LSR r7,r7,#16
ORR r7,r7,r10,LSL #16
LSR r10,r10,#16
ORR r10,r10,r11,LSL #16
LSR r11,r11,#16
STM r8!,{r7,r10,r11}
BGT Copy2toAligned
B CopyEnd
Copy3toAligned:
LDM r0,{r7,r10,r11}
SUBS r9,r9,#1
ADD r0,r0,r1
LSR r7,r7,#24
ORR r7,r7,r10,LSL #8
LSR r10,r10,#24
ORR r10,r10,r11,LSL #8
LSR r11,r11,#24
STM r8!,{r7,r10,r11}
BGT Copy3toAligned
CopyEnd:
MOV r0,r12
MOV r1,#0xc
BX lr
.endfunc
.global armVCM4P10_InterpolateLuma_VerAlign4x_unsafe
.func armVCM4P10_InterpolateLuma_VerAlign4x_unsafe
armVCM4P10_InterpolateLuma_VerAlign4x_unsafe:
AND r7,r0,#3
BIC r0,r0,#3
ADD pc,pc,r7,LSL #2
NOP
B Copy0toVAligned
B Copy1toVAligned
B Copy2toVAligned
B Copy3toVAligned
Copy0toVAligned:
LDR r7,[r0],r1
SUBS r9,r9,#1
STR r7,[r8],#4
BGT Copy0toVAligned
B CopyVEnd
Copy1toVAligned:
LDR r10,[r0,#4]
LDR r7,[r0],r1
SUBS r9,r9,#1
LSL r10,r10,#24
ORR r7,r10,r7,LSR #8
STR r7,[r8],#4
BGT Copy1toVAligned
B CopyVEnd
Copy2toVAligned:
LDR r10,[r0,#4]
LDR r7,[r0],r1
SUBS r9,r9,#1
LSL r10,r10,#16
ORR r7,r10,r7,LSR #16
STR r7,[r8],#4
BGT Copy2toVAligned
B CopyVEnd
Copy3toVAligned:
LDR r10,[r0,#4]
LDR r7,[r0],r1
SUBS r9,r9,#1
LSL r10,r10,#8
ORR r7,r10,r7,LSR #24
STR r7,[r8],#4
BGT Copy3toVAligned
CopyVEnd:
SUB r0,r8,#0x1c
MOV r1,#4
BX lr
.endfunc
.end
|
