@
@ ARMv4L optimized DSP utils
@ Copyright (c) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
@
@ This library 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 of the License, or (at your option) any later version.
@
@ This library 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 this library; if not, write to the Free Software
@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
