source/libvpx/vp9/common/arm/neon/vp9_copy_neon_asm.asm - Issue 812033011: libvpx: Pull from upstream

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Side by Side Diff: source/libvpx/vp9/common/arm/neon/vp9_copy_neon_asm.asm

Issue 812033011: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/

Patch Set: Created 5 years, 11 months ago

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	1 ;

	2 ; Copyright (c) 2013 The WebM project authors. All Rights Reserved.

	3 ;

	4 ; Use of this source code is governed by a BSD-style license

	5 ; that can be found in the LICENSE file in the root of the source

	6 ; tree. An additional intellectual property rights grant can be found

	7 ; in the file PATENTS. All contributing project authors may

	8 ; be found in the AUTHORS file in the root of the source tree.

	9 ;

	10

	11 EXPORT \|vp9_convolve_copy_neon\|

	12 ARM

	13 REQUIRE8

	14 PRESERVE8

	15

	16 AREA \|\|.text\|\|, CODE, READONLY, ALIGN=2

	17

	18 \|vp9_convolve_copy_neon\| PROC

	19 push {r4-r5, lr}

	20 ldrd r4, r5, [sp, #28]

	21

	22 cmp r4, #32

	23 bgt copy64

	24 beq copy32

	25 cmp r4, #8

	26 bgt copy16

	27 beq copy8

	28 b copy4

	29

	30 copy64

	31 sub lr, r1, #32

	32 sub r3, r3, #32

	33 copy64_h

	34 pld [r0, r1, lsl #1]

	35 vld1.8 {q0-q1}, [r0]!

	36 vld1.8 {q2-q3}, [r0], lr

	37 vst1.8 {q0-q1}, [r2@128]!

	38 vst1.8 {q2-q3}, [r2@128], r3

	39 subs r5, r5, #1

	40 bgt copy64_h

	41 pop {r4-r5, pc}

	42

	43 copy32

	44 pld [r0, r1, lsl #1]

	45 vld1.8 {q0-q1}, [r0], r1

	46 pld [r0, r1, lsl #1]

	47 vld1.8 {q2-q3}, [r0], r1

	48 vst1.8 {q0-q1}, [r2@128], r3

	49 vst1.8 {q2-q3}, [r2@128], r3

	50 subs r5, r5, #2

	51 bgt copy32

	52 pop {r4-r5, pc}

	53

	54 copy16

	55 pld [r0, r1, lsl #1]

	56 vld1.8 {q0}, [r0], r1

	57 pld [r0, r1, lsl #1]

	58 vld1.8 {q1}, [r0], r1

	59 vst1.8 {q0}, [r2@128], r3

	60 vst1.8 {q1}, [r2@128], r3

	61 subs r5, r5, #2

	62 bgt copy16

	63 pop {r4-r5, pc}

	64

	65 copy8

	66 pld [r0, r1, lsl #1]

	67 vld1.8 {d0}, [r0], r1

	68 pld [r0, r1, lsl #1]

	69 vld1.8 {d2}, [r0], r1

	70 vst1.8 {d0}, [r2@64], r3

	71 vst1.8 {d2}, [r2@64], r3

	72 subs r5, r5, #2

	73 bgt copy8

	74 pop {r4-r5, pc}

	75

	76 copy4

	77 ldr r12, [r0], r1

	78 str r12, [r2], r3

	79 subs r5, r5, #1

	80 bgt copy4

	81 pop {r4-r5, pc}

	82 ENDP

	83

	84 END

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