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ffmpeg/libavcodec/armv4l/dsputil_arm_s.S
Diego Biurrun b78e7197a8 Change license headers to say 'FFmpeg' instead of 'this program/this library' 
and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-07 15:30:46 +00:00

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18 KiB
ArmAsm
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@
@ ARMv4L optimized DSP utils
@ Copyright (c) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
@
@ This file is part of FFmpeg.
@
@ FFmpeg is free software; you can redistribute it and/or
@ modify it under the terms of the GNU Lesser General Public
@ License as published by the Free Software Foundation; either
@ version 2.1 of the License, or (at your option) any later version.
@
@ FFmpeg is distributed in the hope that it will be useful,
@ but WITHOUT ANY WARRANTY; without even the implied warranty of
@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
@ Lesser General Public License for more details.
@
@ You should have received a copy of the GNU Lesser General Public
@ License along with FFmpeg; if not, write to the Free Software
@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
@
.macro ADJ_ALIGN_QUADWORD_D shift, Rd0, Rd1, Rd2, Rd3, Rn0, Rn1, Rn2, Rn3, Rn4
mov \Rd0, \Rn0, lsr #(\shift * 8)
mov \Rd1, \Rn1, lsr #(\shift * 8)
mov \Rd2, \Rn2, lsr #(\shift * 8)
mov \Rd3, \Rn3, lsr #(\shift * 8)
orr \Rd0, \Rd0, \Rn1, lsl #(32 - \shift * 8)
orr \Rd1, \Rd1, \Rn2, lsl #(32 - \shift * 8)
orr \Rd2, \Rd2, \Rn3, lsl #(32 - \shift * 8)
orr \Rd3, \Rd3, \Rn4, lsl #(32 - \shift * 8)
.endm
.macro ADJ_ALIGN_DOUBLEWORD shift, R0, R1, R2
mov \R0, \R0, lsr #(\shift * 8)
orr \R0, \R0, \R1, lsl #(32 - \shift * 8)
mov \R1, \R1, lsr #(\shift * 8)
orr \R1, \R1, \R2, lsl #(32 - \shift * 8)
.endm
.macro ADJ_ALIGN_DOUBLEWORD_D shift, Rdst0, Rdst1, Rsrc0, Rsrc1, Rsrc2
mov \Rdst0, \Rsrc0, lsr #(\shift * 8)
mov \Rdst1, \Rsrc1, lsr #(\shift * 8)
orr \Rdst0, \Rdst0, \Rsrc1, lsl #(32 - (\shift * 8))
orr \Rdst1, \Rdst1, \Rsrc2, lsl #(32 - (\shift * 8))
.endm
.macro RND_AVG32 Rd0, Rd1, Rn0, Rn1, Rm0, Rm1, Rmask
@ Rd = (Rn | Rm) - (((Rn ^ Rm) & ~0x01010101) >> 1)
@ Rmask = 0xFEFEFEFE
@ Rn = destroy
eor \Rd0, \Rn0, \Rm0
eor \Rd1, \Rn1, \Rm1
orr \Rn0, \Rn0, \Rm0
orr \Rn1, \Rn1, \Rm1
and \Rd0, \Rd0, \Rmask
and \Rd1, \Rd1, \Rmask
sub \Rd0, \Rn0, \Rd0, lsr #1
sub \Rd1, \Rn1, \Rd1, lsr #1
.endm
.macro NO_RND_AVG32 Rd0, Rd1, Rn0, Rn1, Rm0, Rm1, Rmask
@ Rd = (Rn & Rm) - (((Rn ^ Rm) & ~0x01010101) >> 1)
@ Rmask = 0xFEFEFEFE
@ Rn = destroy
eor \Rd0, \Rn0, \Rm0
eor \Rd1, \Rn1, \Rm1
and \Rn0, \Rn0, \Rm0
and \Rn1, \Rn1, \Rm1
and \Rd0, \Rd0, \Rmask
and \Rd1, \Rd1, \Rmask
add \Rd0, \Rn0, \Rd0, lsr #1
add \Rd1, \Rn1, \Rd1, lsr #1
.endm
@ ----------------------------------------------------------------
.align 8
.global put_pixels16_arm
put_pixels16_arm:
@ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
@ block = word aligned, pixles = unaligned
pld [r1]
stmfd sp!, {r4-r11, lr} @ R14 is also called LR
adr r5, 5f
ands r4, r1, #3
bic r1, r1, #3
add r5, r5, r4, lsl #2
ldrne pc, [r5]
1:
ldmia r1, {r4-r7}
add r1, r1, r2
stmia r0, {r4-r7}
pld [r1]
subs r3, r3, #1
add r0, r0, r2
bne 1b
ldmfd sp!, {r4-r11, pc}
.align 8
2:
ldmia r1, {r4-r8}
add r1, r1, r2
ADJ_ALIGN_QUADWORD_D 1, r9, r10, r11, r12, r4, r5, r6, r7, r8
pld [r1]
subs r3, r3, #1
stmia r0, {r9-r12}
add r0, r0, r2
bne 2b
ldmfd sp!, {r4-r11, pc}
.align 8
3:
ldmia r1, {r4-r8}
add r1, r1, r2
ADJ_ALIGN_QUADWORD_D 2, r9, r10, r11, r12, r4, r5, r6, r7, r8
pld [r1]
subs r3, r3, #1
stmia r0, {r9-r12}
add r0, r0, r2
bne 3b
ldmfd sp!, {r4-r11, pc}
.align 8
4:
ldmia r1, {r4-r8}
add r1, r1, r2
ADJ_ALIGN_QUADWORD_D 3, r9, r10, r11, r12, r4, r5, r6, r7, r8
pld [r1]
subs r3, r3, #1
stmia r0, {r9-r12}
add r0, r0, r2
bne 4b
ldmfd sp!, {r4-r11,pc}
.align 8
5:
.word 1b
.word 2b
.word 3b
.word 4b
@ ----------------------------------------------------------------
.align 8
.global put_pixels8_arm
put_pixels8_arm:
@ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
@ block = word aligned, pixles = unaligned
pld [r1]
stmfd sp!, {r4-r5,lr} @ R14 is also called LR
adr r5, 5f
ands r4, r1, #3
bic r1, r1, #3
add r5, r5, r4, lsl #2
ldrne pc, [r5]
1:
ldmia r1, {r4-r5}
add r1, r1, r2
subs r3, r3, #1
pld [r1]
stmia r0, {r4-r5}
add r0, r0, r2
bne 1b
ldmfd sp!, {r4-r5,pc}
.align 8
2:
ldmia r1, {r4-r5, r12}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r12
pld [r1]
subs r3, r3, #1
stmia r0, {r4-r5}
add r0, r0, r2
bne 2b
ldmfd sp!, {r4-r5,pc}
.align 8
3:
ldmia r1, {r4-r5, r12}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r12
pld [r1]
subs r3, r3, #1
stmia r0, {r4-r5}
add r0, r0, r2
bne 3b
ldmfd sp!, {r4-r5,pc}
.align 8
4:
ldmia r1, {r4-r5, r12}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r12
pld [r1]
subs r3, r3, #1
stmia r0, {r4-r5}
add r0, r0, r2
bne 4b
ldmfd sp!, {r4-r5,pc}
.align 8
5:
.word 1b
.word 2b
.word 3b
.word 4b
@ ----------------------------------------------------------------
.align 8
.global put_pixels8_x2_arm
put_pixels8_x2_arm:
@ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
@ block = word aligned, pixles = unaligned
pld [r1]
stmfd sp!, {r4-r10,lr} @ R14 is also called LR
adr r5, 5f
ands r4, r1, #3
ldr r12, [r5]
add r5, r5, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
1:
ldmia r1, {r4-r5, r10}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD_D 1, r6, r7, r4, r5, r10
pld [r1]
RND_AVG32 r8, r9, r4, r5, r6, r7, r12
subs r3, r3, #1
stmia r0, {r8-r9}
add r0, r0, r2
bne 1b
ldmfd sp!, {r4-r10,pc}
.align 8
2:
ldmia r1, {r4-r5, r10}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD_D 1, r6, r7, r4, r5, r10
ADJ_ALIGN_DOUBLEWORD_D 2, r8, r9, r4, r5, r10
pld [r1]
RND_AVG32 r4, r5, r6, r7, r8, r9, r12
subs r3, r3, #1
stmia r0, {r4-r5}
add r0, r0, r2
bne 2b
ldmfd sp!, {r4-r10,pc}
.align 8
3:
ldmia r1, {r4-r5, r10}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD_D 2, r6, r7, r4, r5, r10
ADJ_ALIGN_DOUBLEWORD_D 3, r8, r9, r4, r5, r10
pld [r1]
RND_AVG32 r4, r5, r6, r7, r8, r9, r12
subs r3, r3, #1
stmia r0, {r4-r5}
add r0, r0, r2
bne 3b
ldmfd sp!, {r4-r10,pc}
.align 8
4:
ldmia r1, {r4-r5, r10}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD_D 3, r6, r7, r4, r5, r10
pld [r1]
RND_AVG32 r8, r9, r6, r7, r5, r10, r12
subs r3, r3, #1
stmia r0, {r8-r9}
add r0, r0, r2
bne 4b
ldmfd sp!, {r4-r10,pc} @@ update PC with LR content.
.align 8
5:
.word 0xFEFEFEFE
.word 2b
.word 3b
.word 4b
.align 8
.global put_no_rnd_pixels8_x2_arm
put_no_rnd_pixels8_x2_arm:
@ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
@ block = word aligned, pixles = unaligned
pld [r1]
stmfd sp!, {r4-r10,lr} @ R14 is also called LR
adr r5, 5f
ands r4, r1, #3
ldr r12, [r5]
add r5, r5, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
1:
ldmia r1, {r4-r5, r10}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD_D 1, r6, r7, r4, r5, r10
pld [r1]
NO_RND_AVG32 r8, r9, r4, r5, r6, r7, r12
subs r3, r3, #1
stmia r0, {r8-r9}
add r0, r0, r2
bne 1b
ldmfd sp!, {r4-r10,pc}
.align 8
2:
ldmia r1, {r4-r5, r10}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD_D 1, r6, r7, r4, r5, r10
ADJ_ALIGN_DOUBLEWORD_D 2, r8, r9, r4, r5, r10
pld [r1]
NO_RND_AVG32 r4, r5, r6, r7, r8, r9, r12
subs r3, r3, #1
stmia r0, {r4-r5}
add r0, r0, r2
bne 2b
ldmfd sp!, {r4-r10,pc}
.align 8
3:
ldmia r1, {r4-r5, r10}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD_D 2, r6, r7, r4, r5, r10
ADJ_ALIGN_DOUBLEWORD_D 3, r8, r9, r4, r5, r10
pld [r1]
NO_RND_AVG32 r4, r5, r6, r7, r8, r9, r12
subs r3, r3, #1
stmia r0, {r4-r5}
add r0, r0, r2
bne 3b
ldmfd sp!, {r4-r10,pc}
.align 8
4:
ldmia r1, {r4-r5, r10}
add r1, r1, r2
ADJ_ALIGN_DOUBLEWORD_D 3, r6, r7, r4, r5, r10
pld [r1]
NO_RND_AVG32 r8, r9, r6, r7, r5, r10, r12
subs r3, r3, #1
stmia r0, {r8-r9}
add r0, r0, r2
bne 4b
ldmfd sp!, {r4-r10,pc} @@ update PC with LR content.
.align 8
5:
.word 0xFEFEFEFE
.word 2b
.word 3b
.word 4b
@ ----------------------------------------------------------------
.align 8
.global put_pixels8_y2_arm
put_pixels8_y2_arm:
@ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
@ block = word aligned, pixles = unaligned
pld [r1]
stmfd sp!, {r4-r11,lr} @ R14 is also called LR
adr r5, 5f
ands r4, r1, #3
mov r3, r3, lsr #1
ldr r12, [r5]
add r5, r5, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
1:
ldmia r1, {r4-r5}
add r1, r1, r2
6: ldmia r1, {r6-r7}
add r1, r1, r2
pld [r1]
RND_AVG32 r8, r9, r4, r5, r6, r7, r12
ldmia r1, {r4-r5}
add r1, r1, r2
stmia r0, {r8-r9}
add r0, r0, r2
pld [r1]
RND_AVG32 r8, r9, r6, r7, r4, r5, r12
subs r3, r3, #1
stmia r0, {r8-r9}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.align 8
2:
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6
6: ldmia r1, {r7-r9}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 1, r7, r8, r9
RND_AVG32 r10, r11, r4, r5, r7, r8, r12
stmia r0, {r10-r11}
add r0, r0, r2
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6
subs r3, r3, #1
RND_AVG32 r10, r11, r7, r8, r4, r5, r12
stmia r0, {r10-r11}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.align 8
3:
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6
6: ldmia r1, {r7-r9}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 2, r7, r8, r9
RND_AVG32 r10, r11, r4, r5, r7, r8, r12
stmia r0, {r10-r11}
add r0, r0, r2
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6
subs r3, r3, #1
RND_AVG32 r10, r11, r7, r8, r4, r5, r12
stmia r0, {r10-r11}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.align 8
4:
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6
6: ldmia r1, {r7-r9}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 3, r7, r8, r9
RND_AVG32 r10, r11, r4, r5, r7, r8, r12
stmia r0, {r10-r11}
add r0, r0, r2
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6
subs r3, r3, #1
RND_AVG32 r10, r11, r7, r8, r4, r5, r12
stmia r0, {r10-r11}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.align 8
5:
.word 0xFEFEFEFE
.word 2b
.word 3b
.word 4b
.align 8
.global put_no_rnd_pixels8_y2_arm
put_no_rnd_pixels8_y2_arm:
@ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
@ block = word aligned, pixles = unaligned
pld [r1]
stmfd sp!, {r4-r11,lr} @ R14 is also called LR
adr r5, 5f
ands r4, r1, #3
mov r3, r3, lsr #1
ldr r12, [r5]
add r5, r5, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
1:
ldmia r1, {r4-r5}
add r1, r1, r2
6: ldmia r1, {r6-r7}
add r1, r1, r2
pld [r1]
NO_RND_AVG32 r8, r9, r4, r5, r6, r7, r12
ldmia r1, {r4-r5}
add r1, r1, r2
stmia r0, {r8-r9}
add r0, r0, r2
pld [r1]
NO_RND_AVG32 r8, r9, r6, r7, r4, r5, r12
subs r3, r3, #1
stmia r0, {r8-r9}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.align 8
2:
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6
6: ldmia r1, {r7-r9}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 1, r7, r8, r9
NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
stmia r0, {r10-r11}
add r0, r0, r2
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6
subs r3, r3, #1
NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
stmia r0, {r10-r11}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.align 8
3:
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6
6: ldmia r1, {r7-r9}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 2, r7, r8, r9
NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
stmia r0, {r10-r11}
add r0, r0, r2
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6
subs r3, r3, #1
NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
stmia r0, {r10-r11}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.align 8
4:
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6
6: ldmia r1, {r7-r9}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 3, r7, r8, r9
NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
stmia r0, {r10-r11}
add r0, r0, r2
ldmia r1, {r4-r6}
add r1, r1, r2
pld [r1]
ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6
subs r3, r3, #1
NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
stmia r0, {r10-r11}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.align 8
5:
.word 0xFEFEFEFE
.word 2b
.word 3b
.word 4b
@ ----------------------------------------------------------------
.macro RND_XY2_IT align, rnd
@ l1= (a & 0x03030303) + (b & 0x03030303) ?(+ 0x02020202)
@ h1= ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2)
.if \align == 0
ldmia r1, {r6-r8}
.elseif \align == 3
ldmia r1, {r5-r7}
.else
ldmia r1, {r8-r10}
.endif
add r1, r1, r2
pld [r1]
.if \align == 0
ADJ_ALIGN_DOUBLEWORD_D 1, r4, r5, r6, r7, r8
.elseif \align == 1
ADJ_ALIGN_DOUBLEWORD_D 1, r4, r5, r8, r9, r10
ADJ_ALIGN_DOUBLEWORD_D 2, r6, r7, r8, r9, r10
.elseif \align == 2
ADJ_ALIGN_DOUBLEWORD_D 2, r4, r5, r8, r9, r10
ADJ_ALIGN_DOUBLEWORD_D 3, r6, r7, r8, r9, r10
.elseif \align == 3
ADJ_ALIGN_DOUBLEWORD_D 3, r4, r5, r5, r6, r7
.endif
ldr r14, [r12, #0] @ 0x03030303
tst r3, #1
and r8, r4, r14
and r9, r5, r14
and r10, r6, r14
and r11, r7, r14
.if \rnd == 1
ldreq r14, [r12, #16] @ 0x02020202
.else
ldreq r14, [r12, #28] @ 0x01010101
.endif
add r8, r8, r10
add r9, r9, r11
addeq r8, r8, r14
addeq r9, r9, r14
ldr r14, [r12, #20] @ 0xFCFCFCFC >> 2
and r4, r14, r4, lsr #2
and r5, r14, r5, lsr #2
and r6, r14, r6, lsr #2
and r7, r14, r7, lsr #2
add r10, r4, r6
add r11, r5, r7
.endm
.macro RND_XY2_EXPAND align, rnd
RND_XY2_IT \align, \rnd
6: stmfd sp!, {r8-r11}
RND_XY2_IT \align, \rnd
ldmfd sp!, {r4-r7}
add r4, r4, r8
add r5, r5, r9
add r6, r6, r10
add r7, r7, r11
ldr r14, [r12, #24] @ 0x0F0F0F0F
and r4, r14, r4, lsr #2
and r5, r14, r5, lsr #2
add r4, r4, r6
add r5, r5, r7
subs r3, r3, #1
stmia r0, {r4-r5}
add r0, r0, r2
bne 6b
ldmfd sp!, {r4-r11,pc}
.endm
.align 8
.global put_pixels8_xy2_arm
put_pixels8_xy2_arm:
@ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
@ block = word aligned, pixles = unaligned
pld [r1]
stmfd sp!, {r4-r11,lr} @ R14 is also called LR
adrl r12, 5f
ands r4, r1, #3
add r5, r12, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
1:
RND_XY2_EXPAND 0, 1
.align 8
2:
RND_XY2_EXPAND 1, 1
.align 8
3:
RND_XY2_EXPAND 2, 1
.align 8
4:
RND_XY2_EXPAND 3, 1
5:
.word 0x03030303
.word 2b
.word 3b
.word 4b
.word 0x02020202
.word 0xFCFCFCFC >> 2
.word 0x0F0F0F0F
.word 0x01010101
.align 8
.global put_no_rnd_pixels8_xy2_arm
put_no_rnd_pixels8_xy2_arm:
@ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
@ block = word aligned, pixles = unaligned
pld [r1]
stmfd sp!, {r4-r11,lr} @ R14 is also called LR
adrl r12, 5f
ands r4, r1, #3
add r5, r12, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
1:
RND_XY2_EXPAND 0, 0
.align 8
2:
RND_XY2_EXPAND 1, 0
.align 8
3:
RND_XY2_EXPAND 2, 0
.align 8
4:
RND_XY2_EXPAND 3, 0
5:
.word 0x03030303
.word 2b
.word 3b
.word 4b
.word 0x02020202
.word 0xFCFCFCFC >> 2
.word 0x0F0F0F0F
.word 0x01010101
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