1 | /* Test CPU feature data against __builtin_cpu_supports. |
2 | This file is part of the GNU C Library. |
3 | Copyright (C) 2020-2024 Free Software Foundation, Inc. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <sys/platform/x86.h> |
20 | #include <stdio.h> |
21 | |
22 | int |
23 | check_supports (int supports, int active, const char *supports_name, |
24 | const char *name) |
25 | { |
26 | printf (format: "Checking %s:\n" , name); |
27 | printf (format: " %s: %d\n" , name, active); |
28 | printf (format: " __builtin_cpu_supports (%s): %d\n" , |
29 | supports_name, supports); |
30 | |
31 | if ((supports != 0) != (active != 0)) |
32 | { |
33 | printf (format: " *** failure ***\n" ); |
34 | return 1; |
35 | } |
36 | |
37 | return 0; |
38 | } |
39 | |
40 | #define CHECK_FEATURE_ACTIVE(str, name) \ |
41 | check_supports (__builtin_cpu_supports (#str), \ |
42 | CPU_FEATURE_ACTIVE (name), \ |
43 | #str, "CPU_FEATURE_ACTIVE (" #name ")"); |
44 | |
45 | #define CHECK_FEATURE_PRESENT(str, name) \ |
46 | check_supports (__builtin_cpu_supports (#str), \ |
47 | CPU_FEATURE_PRESENT (name), \ |
48 | #str, "CPU_FEATURE_PRESENT (" #name ")"); |
49 | |
50 | static int |
51 | do_test (int argc, char **argv) |
52 | { |
53 | int fails = 0; |
54 | |
55 | #if __GNUC_PREREQ (11, 0) |
56 | fails += CHECK_FEATURE_ACTIVE (adx, ADX); |
57 | #endif |
58 | #if __GNUC_PREREQ (6, 0) |
59 | fails += CHECK_FEATURE_ACTIVE (aes, AES); |
60 | #endif |
61 | #if __GNUC_PREREQ (11, 1) |
62 | fails += CHECK_FEATURE_ACTIVE (amx-bf16, AMX_BF16); |
63 | fails += CHECK_FEATURE_ACTIVE (amx-int8, AMX_INT8); |
64 | fails += CHECK_FEATURE_ACTIVE (amx-tile, AMX_TILE); |
65 | #endif |
66 | fails += CHECK_FEATURE_ACTIVE (avx, AVX); |
67 | fails += CHECK_FEATURE_ACTIVE (avx2, AVX2); |
68 | #if __GNUC_PREREQ (7, 0) |
69 | fails += CHECK_FEATURE_ACTIVE (avx5124fmaps, AVX512_4FMAPS); |
70 | fails += CHECK_FEATURE_ACTIVE (avx5124vnniw, AVX512_4VNNIW); |
71 | #endif |
72 | #if __GNUC_PREREQ (10, 0) |
73 | fails += CHECK_FEATURE_ACTIVE (avx512bf16, AVX512_BF16); |
74 | #endif |
75 | #if __GNUC_PREREQ (8, 0) |
76 | fails += CHECK_FEATURE_ACTIVE (avx512bitalg, AVX512_BITALG); |
77 | #endif |
78 | #if __GNUC_PREREQ (6, 0) |
79 | fails += CHECK_FEATURE_ACTIVE (avx512ifma, AVX512_IFMA); |
80 | fails += CHECK_FEATURE_ACTIVE (avx512vbmi, AVX512_VBMI); |
81 | #endif |
82 | #if __GNUC_PREREQ (8, 0) |
83 | fails += CHECK_FEATURE_ACTIVE (avx512vbmi2, AVX512_VBMI2); |
84 | fails += CHECK_FEATURE_ACTIVE (avx512vnni, AVX512_VNNI); |
85 | #endif |
86 | #if __GNUC_PREREQ (10, 0) |
87 | fails += CHECK_FEATURE_ACTIVE (avx512vp2intersect, AVX512_VP2INTERSECT); |
88 | #endif |
89 | #if __GNUC_PREREQ (7, 0) |
90 | fails += CHECK_FEATURE_ACTIVE (avx512vpopcntdq, AVX512_VPOPCNTDQ); |
91 | #endif |
92 | #if __GNUC_PREREQ (6, 0) |
93 | fails += CHECK_FEATURE_ACTIVE (avx512bw, AVX512BW); |
94 | fails += CHECK_FEATURE_ACTIVE (avx512cd, AVX512CD); |
95 | fails += CHECK_FEATURE_ACTIVE (avx512er, AVX512ER); |
96 | fails += CHECK_FEATURE_ACTIVE (avx512dq, AVX512DQ); |
97 | #endif |
98 | #if __GNUC_PREREQ (5, 0) |
99 | fails += CHECK_FEATURE_ACTIVE (avx512f, AVX512F); |
100 | #endif |
101 | #if __GNUC_PREREQ (6, 0) |
102 | fails += CHECK_FEATURE_ACTIVE (avx512pf, AVX512PF); |
103 | fails += CHECK_FEATURE_ACTIVE (avx512vl, AVX512VL); |
104 | #endif |
105 | #if __GNUC_PREREQ (5, 0) |
106 | fails += CHECK_FEATURE_ACTIVE (bmi, BMI1); |
107 | fails += CHECK_FEATURE_ACTIVE (bmi2, BMI2); |
108 | #endif |
109 | #if __GNUC_PREREQ (11, 0) |
110 | fails += CHECK_FEATURE_ACTIVE (cldemote, CLDEMOTE); |
111 | fails += CHECK_FEATURE_ACTIVE (clflushopt, CLFLUSHOPT); |
112 | fails += CHECK_FEATURE_ACTIVE (clwb, CLWB); |
113 | #endif |
114 | fails += CHECK_FEATURE_ACTIVE (cmov, CMOV); |
115 | #if __GNUC_PREREQ (11, 0) |
116 | fails += CHECK_FEATURE_ACTIVE (cmpxchg16b, CMPXCHG16B); |
117 | fails += CHECK_FEATURE_ACTIVE (cmpxchg8b, CX8); |
118 | fails += CHECK_FEATURE_ACTIVE (enqcmd, ENQCMD); |
119 | fails += CHECK_FEATURE_ACTIVE (f16c, F16C); |
120 | #endif |
121 | #if __GNUC_PREREQ (4, 9) |
122 | fails += CHECK_FEATURE_ACTIVE (fma, FMA); |
123 | fails += CHECK_FEATURE_ACTIVE (fma4, FMA4); |
124 | #endif |
125 | #if __GNUC_PREREQ (11, 0) |
126 | fails += CHECK_FEATURE_PRESENT (fsgsbase, FSGSBASE); |
127 | fails += CHECK_FEATURE_ACTIVE (fxsave, FXSR); |
128 | #endif |
129 | #if __GNUC_PREREQ (8, 0) |
130 | fails += CHECK_FEATURE_ACTIVE (gfni, GFNI); |
131 | #endif |
132 | #if __GNUC_PREREQ (11, 0) |
133 | fails += CHECK_FEATURE_PRESENT (hle, HLE); |
134 | fails += CHECK_FEATURE_PRESENT (ibt, IBT); |
135 | fails += CHECK_FEATURE_ACTIVE (lahf_lm, LAHF64_SAHF64); |
136 | fails += CHECK_FEATURE_PRESENT (lm, LM); |
137 | fails += CHECK_FEATURE_ACTIVE (lwp, LWP); |
138 | fails += CHECK_FEATURE_ACTIVE (lzcnt, LZCNT); |
139 | #endif |
140 | fails += CHECK_FEATURE_ACTIVE (mmx, MMX); |
141 | #if __GNUC_PREREQ (11, 0) |
142 | fails += CHECK_FEATURE_ACTIVE (movbe, MOVBE); |
143 | fails += CHECK_FEATURE_ACTIVE (movdiri, MOVDIRI); |
144 | fails += CHECK_FEATURE_ACTIVE (movdir64b, MOVDIR64B); |
145 | fails += CHECK_FEATURE_ACTIVE (osxsave, OSXSAVE); |
146 | fails += CHECK_FEATURE_PRESENT (pconfig, PCONFIG); |
147 | fails += CHECK_FEATURE_ACTIVE (pku, PKU); |
148 | #endif |
149 | fails += CHECK_FEATURE_ACTIVE (popcnt, POPCNT); |
150 | #if __GNUC_PREREQ (11, 0) |
151 | fails += CHECK_FEATURE_ACTIVE (prefetchwt1, PREFETCHWT1); |
152 | fails += CHECK_FEATURE_ACTIVE (ptwrite, PTWRITE); |
153 | fails += CHECK_FEATURE_ACTIVE (rdpid, RDPID); |
154 | fails += CHECK_FEATURE_ACTIVE (rdrnd, RDRAND); |
155 | fails += CHECK_FEATURE_ACTIVE (rdseed, RDSEED); |
156 | fails += CHECK_FEATURE_PRESENT (rtm, RTM); |
157 | fails += CHECK_FEATURE_ACTIVE (serialize, SERIALIZE); |
158 | fails += CHECK_FEATURE_ACTIVE (sha, SHA); |
159 | fails += CHECK_FEATURE_PRESENT (shstk, SHSTK); |
160 | #endif |
161 | fails += CHECK_FEATURE_ACTIVE (sse, SSE); |
162 | fails += CHECK_FEATURE_ACTIVE (sse2, SSE2); |
163 | fails += CHECK_FEATURE_ACTIVE (sse3, SSE3); |
164 | fails += CHECK_FEATURE_ACTIVE (sse4.1, SSE4_1); |
165 | fails += CHECK_FEATURE_ACTIVE (sse4.2, SSE4_2); |
166 | #if __GNUC_PREREQ (4, 9) |
167 | fails += CHECK_FEATURE_ACTIVE (sse4a, SSE4A); |
168 | #endif |
169 | fails += CHECK_FEATURE_ACTIVE (ssse3, SSSE3); |
170 | #if __GNUC_PREREQ (11, 0) |
171 | fails += CHECK_FEATURE_ACTIVE (tbm, TBM); |
172 | fails += CHECK_FEATURE_ACTIVE (tsxldtrk, TSXLDTRK); |
173 | fails += CHECK_FEATURE_ACTIVE (vaes, VAES); |
174 | #endif |
175 | #if __GNUC_PREREQ (8, 0) |
176 | fails += CHECK_FEATURE_ACTIVE (vpclmulqdq, VPCLMULQDQ); |
177 | #endif |
178 | #if __GNUC_PREREQ (11, 0) |
179 | fails += CHECK_FEATURE_ACTIVE (waitpkg, WAITPKG); |
180 | fails += CHECK_FEATURE_ACTIVE (wbnoinvd, WBNOINVD); |
181 | #endif |
182 | #if __GNUC_PREREQ (4, 9) |
183 | fails += CHECK_FEATURE_ACTIVE (xop, XOP); |
184 | #endif |
185 | #if __GNUC_PREREQ (11, 0) |
186 | fails += CHECK_FEATURE_ACTIVE (xsave, XSAVE); |
187 | fails += CHECK_FEATURE_ACTIVE (xsavec, XSAVEC); |
188 | fails += CHECK_FEATURE_ACTIVE (xsaveopt, XSAVEOPT); |
189 | fails += CHECK_FEATURE_PRESENT (xsaves, XSAVES); |
190 | #endif |
191 | |
192 | printf (format: "%d differences between __builtin_cpu_supports and glibc code.\n" , |
193 | fails); |
194 | |
195 | return (fails != 0); |
196 | } |
197 | |
198 | #include "../../../test-skeleton.c" |
199 | |