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Side by Side Diff: source/libvpx/vp9/common/arm/neon/vp9_avg_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_avg_neon|
12 ARM
13 REQUIRE8
14 PRESERVE8
15
16 AREA ||.text||, CODE, READONLY, ALIGN=2
17
18 |vp9_convolve_avg_neon| PROC
19 push {r4-r6, lr}
20 ldrd r4, r5, [sp, #32]
21 mov r6, r2
22
23 cmp r4, #32
24 bgt avg64
25 beq avg32
26 cmp r4, #8
27 bgt avg16
28 beq avg8
29 b avg4
30
31 avg64
32 sub lr, r1, #32
33 sub r4, r3, #32
34 avg64_h
35 pld [r0, r1, lsl #1]
36 vld1.8 {q0-q1}, [r0]!
37 vld1.8 {q2-q3}, [r0], lr
38 pld [r2, r3]
39 vld1.8 {q8-q9}, [r6@128]!
40 vld1.8 {q10-q11}, [r6@128], r4
41 vrhadd.u8 q0, q0, q8
42 vrhadd.u8 q1, q1, q9
43 vrhadd.u8 q2, q2, q10
44 vrhadd.u8 q3, q3, q11
45 vst1.8 {q0-q1}, [r2@128]!
46 vst1.8 {q2-q3}, [r2@128], r4
47 subs r5, r5, #1
48 bgt avg64_h
49 pop {r4-r6, pc}
50
51 avg32
52 vld1.8 {q0-q1}, [r0], r1
53 vld1.8 {q2-q3}, [r0], r1
54 vld1.8 {q8-q9}, [r6@128], r3
55 vld1.8 {q10-q11}, [r6@128], r3
56 pld [r0]
57 vrhadd.u8 q0, q0, q8
58 pld [r0, r1]
59 vrhadd.u8 q1, q1, q9
60 pld [r6]
61 vrhadd.u8 q2, q2, q10
62 pld [r6, r3]
63 vrhadd.u8 q3, q3, q11
64 vst1.8 {q0-q1}, [r2@128], r3
65 vst1.8 {q2-q3}, [r2@128], r3
66 subs r5, r5, #2
67 bgt avg32
68 pop {r4-r6, pc}
69
70 avg16
71 vld1.8 {q0}, [r0], r1
72 vld1.8 {q1}, [r0], r1
73 vld1.8 {q2}, [r6@128], r3
74 vld1.8 {q3}, [r6@128], r3
75 pld [r0]
76 pld [r0, r1]
77 vrhadd.u8 q0, q0, q2
78 pld [r6]
79 pld [r6, r3]
80 vrhadd.u8 q1, q1, q3
81 vst1.8 {q0}, [r2@128], r3
82 vst1.8 {q1}, [r2@128], r3
83 subs r5, r5, #2
84 bgt avg16
85 pop {r4-r6, pc}
86
87 avg8
88 vld1.8 {d0}, [r0], r1
89 vld1.8 {d1}, [r0], r1
90 vld1.8 {d2}, [r6@64], r3
91 vld1.8 {d3}, [r6@64], r3
92 pld [r0]
93 pld [r0, r1]
94 vrhadd.u8 q0, q0, q1
95 pld [r6]
96 pld [r6, r3]
97 vst1.8 {d0}, [r2@64], r3
98 vst1.8 {d1}, [r2@64], r3
99 subs r5, r5, #2
100 bgt avg8
101 pop {r4-r6, pc}
102
103 avg4
104 vld1.32 {d0[0]}, [r0], r1
105 vld1.32 {d0[1]}, [r0], r1
106 vld1.32 {d2[0]}, [r6@32], r3
107 vld1.32 {d2[1]}, [r6@32], r3
108 vrhadd.u8 d0, d0, d2
109 vst1.32 {d0[0]}, [r2@32], r3
110 vst1.32 {d0[1]}, [r2@32], r3
111 subs r5, r5, #2
112 bgt avg4
113 pop {r4-r6, pc}
114 ENDP
115
116 END
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