xref: /aosp_15_r20/external/libdav1d/src/ppc/utils.h (revision c09093415860a1c2373dacd84c4fde00c507cdfd)
1 /*
2  * Copyright © 2024, VideoLAN and dav1d authors
3  * Copyright © 2024, Luca Barbato
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright notice, this
10  *    list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  *    this list of conditions and the following disclaimer in the documentation
14  *    and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef DAV1D_SRC_PPC_UTILS_H
29 #define DAV1D_SRC_PPC_UTILS_H
30 
31 #include "src/ppc/dav1d_types.h"
32 
33 #define assert_eq(a, b) \
34     if ((a) != (b)) \
35         printf("%d: %d vs %d\n", __LINE__, a, b); \
36     assert((a) == (b));
37 
38 #define MERGE_I32(a, b, h, l) \
39 { \
40     h = vec_mergeh(a, b); \
41     l = vec_mergel(a, b); \
42 }
43 
44 #define DECLARE_MERGE_I32(a, b, h, l) \
45     i32x4 h, l; \
46     MERGE_I32(a, b, h, l)
47 
48 
49 // Transpose a 4x4 matrix of i32x4 vectors
50 #define TRANSPOSE4_I32(c0, c1, c2, c3) \
51 { \
52     DECLARE_MERGE_I32(c0, c2, m02h, m02l) \
53     DECLARE_MERGE_I32(c1, c3, m13h, m13l) \
54 \
55     MERGE_I32(m02h, m13h, c0, c1) \
56     MERGE_I32(m02l, m13l, c2, c3) \
57 }
58 
59 // Transpose a 8x8 matrix of i32x4 vectors
60 #define TRANSPOSE8_I32(c0, c1, c2, c3, c4, c5, c6, c7, \
61                        c8, c9, cA, cB, cC, cD, cE, cF) \
62 { \
63     DECLARE_MERGE_I32(c0, c2, m02h, m02l) \
64     DECLARE_MERGE_I32(c1, c3, m13h, m13l) \
65     DECLARE_MERGE_I32(c4, c6, m46h, m46l) \
66     DECLARE_MERGE_I32(c5, c7, m57h, m57l) \
67     DECLARE_MERGE_I32(c8, cA, m8Ah, m8Al) \
68     DECLARE_MERGE_I32(c9, cB, m9Bh, m9Bl) \
69     DECLARE_MERGE_I32(cC, cE, mCEh, mCEl) \
70     DECLARE_MERGE_I32(cD, cF, mDFh, mDFl) \
71 \
72     MERGE_I32(m02h, m13h, c0, c1) \
73     MERGE_I32(m02l, m13l, c2, c3) \
74     MERGE_I32(m46h, m57h, c8, c9) \
75     MERGE_I32(m46l, m57l, cA, cB) \
76     MERGE_I32(m8Ah, m9Bh, c4, c5) \
77     MERGE_I32(m8Al, m9Bl, c6, c7) \
78     MERGE_I32(mCEh, mDFh, cC, cD) \
79     MERGE_I32(mCEl, mDFl, cE, cF) \
80 }
81 
82 // Transpose a 4x16 matrix of i32x4 vectors
83 #define TRANSPOSE4x16_I32(c0, c1, c2, c3, c4, c5, c6, c7, \
84                           c8, c9, cA, cB, cC, cD, cE, cF) \
85 { \
86     DECLARE_MERGE_I32(c0, c2, m02h, m02l) \
87     DECLARE_MERGE_I32(c1, c3, m13h, m13l) \
88     DECLARE_MERGE_I32(c4, c6, m46h, m46l) \
89     DECLARE_MERGE_I32(c5, c7, m57h, m57l) \
90     DECLARE_MERGE_I32(c8, cA, m8Ah, m8Al) \
91     DECLARE_MERGE_I32(c9, cB, m9Bh, m9Bl) \
92     DECLARE_MERGE_I32(cC, cE, mCEh, mCEl) \
93     DECLARE_MERGE_I32(cD, cF, mDFh, mDFl) \
94 \
95     MERGE_I32(m02h, m13h, c0, c1) \
96     MERGE_I32(m02l, m13l, c2, c3) \
97     MERGE_I32(m46h, m57h, c4, c5) \
98     MERGE_I32(m46l, m57l, c6, c7) \
99     MERGE_I32(m8Ah, m9Bh, c8, c9) \
100     MERGE_I32(m8Al, m9Bl, cA, cB) \
101     MERGE_I32(mCEh, mDFh, cC, cD) \
102     MERGE_I32(mCEl, mDFl, cE, cF) \
103 }
104 
105 #endif // DAV1D_SRC_PPC_UTILS_H
106