source/libvpx/vp9/common/arm/neon/vp9_copy_neon.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

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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