1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// Copyright (c) 2025, Intel Corporation
// SPDX-License-Identifier: BSD-3-Clause
// [int32, int64] x [uniform, varying]
#define op(arg) count_trailing_zeros(arg)
#define cttz8(arg) op(op(op(op(op(op(op(op(arg))))))))
export void cttz_uniform_int32(uniform int32 *uniform src, uniform int32 *uniform dst, uniform count) {
for (uniform int i = 0; i < count; i++) {
dst[i] = count_trailing_zeros(src[i]);
}
}
export void cttz_varying_int32(uniform int32 *uniform src, uniform int32 *uniform dst, uniform count) {
foreach (i = 0...count) {
dst[i] = count_trailing_zeros(src[i]);
}
}
export void cttz_uniform_int64(uniform int64 *uniform src, uniform int64 *uniform dst, uniform count) {
for (uniform int i = 0; i < count; i++) {
dst[i] = count_trailing_zeros(src[i]);
}
}
export void cttz_varying_int64(uniform int64 *uniform src, uniform int64 *uniform dst, uniform count) {
foreach (i = 0...count) {
dst[i] = count_trailing_zeros(src[i]);
}
}
export void ctlz_uniform_int32(uniform int32 *uniform src, uniform int32 *uniform dst, uniform count) {
for (uniform int i = 0; i < count; i++) {
dst[i] = count_leading_zeros(src[i]);
}
}
export void ctlz_varying_int32(uniform int32 *uniform src, uniform int32 *uniform dst, uniform count) {
foreach (i = 0...count) {
dst[i] = count_leading_zeros(src[i]);
}
}
export void ctlz_uniform_int64(uniform int64 *uniform src, uniform int64 *uniform dst, uniform count) {
for (uniform int i = 0; i < count; i++) {
dst[i] = count_leading_zeros(src[i]);
}
}
export void ctlz_varying_int64(uniform int64 *uniform src, uniform int64 *uniform dst, uniform count) {
foreach (i = 0...count) {
dst[i] = count_leading_zeros(src[i]);
}
}
|
