KleidiAI Coverage Report


Directory: ./
File: test/common/sme.cpp
Date: 2025-10-20 13:18:31
Coverage Exec Excl Total
Lines: 29.2% 7 0 24
Functions: 33.3% 1 0 3
Branches: 25.0% 3 0 12

Line Branch Exec Source
1 //
2 // SPDX-FileCopyrightText: Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
3 //
4 // SPDX-License-Identifier: Apache-2.0
5 //
6
7 #if !defined(__aarch64__) || !defined(__ARM_FEATURE_SVE)
8 #error This file must be compiled for AArch64, FEAT_SVE.
9 #else // Architectural features check.
10
11 #include "test/common/sme.hpp"
12
13 #include "test/common/cpu_info.hpp"
14
15 namespace kai::test {
16
17 template <>
18 uint64_t get_sme_vector_length<1>() {
19 static uint64_t res = 0;
20
21 if (res == 0) {
22 if (cpu_has_sme()) {
23 __asm__ __volatile__(
24 ".inst 0xd503477f // SMSTART ZA\n"
25 "cntb %0\n"
26 ".inst 0xd503467f // SMSTOP\n"
27 : "=r"(res)
28 :
29 : "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15",
30 "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", "z24", "z25", "z26", "z27", "z28", "z29",
31 "z30", "z31");
32 } else {
33 res = 1;
34 }
35 }
36
37 return res;
38 }
39
40 template <>
41 uint64_t get_sme_vector_length<2>() {
42 static uint64_t res = 0;
43
44 if (res == 0) {
45 if (cpu_has_sme()) {
46 __asm__ __volatile__(
47 ".inst 0xd503477f // SMSTART ZA\n"
48 "cnth %0\n"
49 ".inst 0xd503467f // SMSTOP\n"
50 : "=r"(res)
51 :
52 : "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15",
53 "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", "z24", "z25", "z26", "z27", "z28", "z29",
54 "z30", "z31");
55 } else {
56 res = 1;
57 }
58 }
59
60 return res;
61 }
62
63 template <>
64 172 uint64_t get_sme_vector_length<4>() {
65 static uint64_t res = 0;
66
67
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172 if (res == 0) {
68
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1 if (cpu_has_sme()) {
69 1 __asm__ __volatile__(
70 ".inst 0xd503477f // SMSTART ZA\n"
71 "cntw %0\n"
72 ".inst 0xd503467f // SMSTOP\n"
73 : "=r"(res)
74 :
75 : "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15",
76 "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", "z24", "z25", "z26", "z27", "z28", "z29",
77 "z30", "z31");
78 1 } else {
79 res = 1;
80 }
81 1 }
82
83 172 return res;
84 }
85
86 } // namespace kai::test
87
88 #endif // Architectural features check.
89