[thirdparty/glibc.git] / sysdeps / x86 / tst-cpu-features-cpuinfo.c

/* Test CPU feature data against /proc/cpuinfo.
   This file is part of the GNU C Library.
   Copyright (C) 2012-2021 Free Software Foundation, Inc.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <sys/platform/x86.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static char *cpu_flags;

/* Search for flags in /proc/cpuinfo and store line
   in cpu_flags.  */
void
get_cpuinfo (void)
{
  FILE *f;
  char *line = NULL;
  size_t len = 0;
  ssize_t read;

  f = fopen ("/proc/cpuinfo", "r");
  if (f == NULL)
    {
      printf ("cannot open /proc/cpuinfo\n");
      exit (1);
    }

  while ((read = getline (&line, &len, f)) != -1)
    {
      if (strncmp (line, "flags", 5) == 0)
       {
         cpu_flags = strdup (line);
         break;
       }
    }
  fclose (f);
  free (line);
}

int
check_proc (const char *proc_name, int flag, int usable, const char *name)
{
  int found = 0;

  printf ("Checking %s:\n", name);
  if (!usable)
    {
      printf ("  %s: insufficient usable info, skipped\n", name);
      return 0;
    }
  printf ("  %s: %d\n", name, flag);
  if (strstr (cpu_flags, proc_name) != NULL)
    found = 1;
  printf ("  cpuinfo (%s): %d\n", proc_name, found);

  if (found != flag)
    printf (" *** failure ***\n");

  return (found != flag);
}

#define CHECK_PROC(str, name) \
  check_proc (#str, HAS_CPU_FEATURE (name), CPU_FEATURE_USABLE (name), \
	      "HAS_CPU_FEATURE (" #name ")");

static int
do_test (int argc, char **argv)
{
  int fails = 0;

  get_cpuinfo ();
  fails += CHECK_PROC (acpi, ACPI);
  fails += CHECK_PROC (adx, ADX);
  fails += CHECK_PROC (apic, APIC);
  fails += CHECK_PROC (aes, AES);
  fails += CHECK_PROC (amx_bf16, AMX_BF16);
  fails += CHECK_PROC (amx_int8, AMX_INT8);
  fails += CHECK_PROC (amx_tile, AMX_TILE);
  fails += CHECK_PROC (arch_capabilities, ARCH_CAPABILITIES);
  fails += CHECK_PROC (avx, AVX);
  fails += CHECK_PROC (avx2, AVX2);
  fails += CHECK_PROC (avx512_4fmaps, AVX512_4FMAPS);
  fails += CHECK_PROC (avx512_4vnniw, AVX512_4VNNIW);
  fails += CHECK_PROC (avx512_bf16, AVX512_BF16);
  fails += CHECK_PROC (avx512_bitalg, AVX512_BITALG);
  fails += CHECK_PROC (avx512ifma, AVX512_IFMA);
  fails += CHECK_PROC (avx512_vbmi, AVX512_VBMI);
  fails += CHECK_PROC (avx512_vbmi2, AVX512_VBMI2);
  fails += CHECK_PROC (avx512_vnni, AVX512_VNNI);
  fails += CHECK_PROC (avx512_vp2intersect, AVX512_VP2INTERSECT);
  fails += CHECK_PROC (avx512_vpopcntdq, AVX512_VPOPCNTDQ);
  fails += CHECK_PROC (avx512bw, AVX512BW);
  fails += CHECK_PROC (avx512cd, AVX512CD);
  fails += CHECK_PROC (avx512er, AVX512ER);
  fails += CHECK_PROC (avx512dq, AVX512DQ);
  fails += CHECK_PROC (avx512f, AVX512F);
  fails += CHECK_PROC (avx512pf, AVX512PF);
  fails += CHECK_PROC (avx512vl, AVX512VL);
  fails += CHECK_PROC (bmi1, BMI1);
  fails += CHECK_PROC (bmi2, BMI2);
  fails += CHECK_PROC (cldemote, CLDEMOTE);
  fails += CHECK_PROC (clflushopt, CLFLUSHOPT);
  fails += CHECK_PROC (clflush, CLFSH);
  fails += CHECK_PROC (clwb, CLWB);
  fails += CHECK_PROC (cmov, CMOV);
  fails += CHECK_PROC (cx16, CMPXCHG16B);
  fails += CHECK_PROC (cnxt_id, CNXT_ID);
  fails += CHECK_PROC (core_capabilities, CORE_CAPABILITIES);
  fails += CHECK_PROC (cx8, CX8);
  fails += CHECK_PROC (dca, DCA);
  fails += CHECK_PROC (de, DE);
  fails += CHECK_PROC (zero_fcs_fds, DEPR_FPU_CS_DS);
  fails += CHECK_PROC (ds, DS);
  fails += CHECK_PROC (ds_cpl, DS_CPL);
  fails += CHECK_PROC (dtes64, DTES64);
  fails += CHECK_PROC (est, EIST);
  fails += CHECK_PROC (enqcmd, ENQCMD);
  fails += CHECK_PROC (erms, ERMS);
  fails += CHECK_PROC (f16c, F16C);
  fails += CHECK_PROC (fma, FMA);
  fails += CHECK_PROC (fma4, FMA4);
  fails += CHECK_PROC (fpu, FPU);
  fails += CHECK_PROC (fsgsbase, FSGSBASE);
  fails += CHECK_PROC (fsrm, FSRM);
  fails += CHECK_PROC (fxsr, FXSR);
  fails += CHECK_PROC (gfni, GFNI);
  fails += CHECK_PROC (hle, HLE);
  fails += CHECK_PROC (ht, HTT);
  fails += CHECK_PROC (hybrid, HYBRID);
  fails += CHECK_PROC (ibrs, IBRS_IBPB);
  fails += CHECK_PROC (ibt, IBT);
  fails += CHECK_PROC (invariant_tsc, INVARIANT_TSC);
  fails += CHECK_PROC (invpcid, INVPCID);
  fails += CHECK_PROC (flush_l1d, L1D_FLUSH);
  fails += CHECK_PROC (lahf_lm, LAHF64_SAHF64);
  fails += CHECK_PROC (lm, LM);
  fails += CHECK_PROC (lwp, LWP);
  fails += CHECK_PROC (abm, LZCNT);
  fails += CHECK_PROC (mca, MCA);
  fails += CHECK_PROC (mce, MCE);
  fails += CHECK_PROC (md_clear, MD_CLEAR);
  fails += CHECK_PROC (mmx, MMX);
  fails += CHECK_PROC (monitor, MONITOR);
  fails += CHECK_PROC (movbe, MOVBE);
  fails += CHECK_PROC (movdiri, MOVDIRI);
  fails += CHECK_PROC (movdir64b, MOVDIR64B);
  fails += CHECK_PROC (mpx, MPX);
  fails += CHECK_PROC (msr, MSR);
  fails += CHECK_PROC (mtrr, MTRR);
  fails += CHECK_PROC (nx, NX);
  fails += CHECK_PROC (ospke, OSPKE);
#if 0
  /* NB: /proc/cpuinfo doesn't report this feature.  */
  fails += CHECK_PROC (osxsave, OSXSAVE);
#endif
  fails += CHECK_PROC (pae, PAE);
  fails += CHECK_PROC (pdpe1gb, PAGE1GB);
  fails += CHECK_PROC (pat, PAT);
  fails += CHECK_PROC (pbe, PBE);
  fails += CHECK_PROC (pcid, PCID);
  fails += CHECK_PROC (pclmulqdq, PCLMULQDQ);
  fails += CHECK_PROC (pconfig, PCONFIG);
  fails += CHECK_PROC (pdcm, PDCM);
  fails += CHECK_PROC (pge, PGE);
  fails += CHECK_PROC (pks, PKS);
  fails += CHECK_PROC (pku, PKU);
  fails += CHECK_PROC (popcnt, POPCNT);
  fails += CHECK_PROC (3dnowprefetch, PREFETCHW);
  fails += CHECK_PROC (prefetchwt1, PREFETCHWT1);
  fails += CHECK_PROC (pse, PSE);
  fails += CHECK_PROC (pse36, PSE_36);
  fails += CHECK_PROC (psn, PSN);
  fails += CHECK_PROC (rdpid, RDPID);
  fails += CHECK_PROC (rdrand, RDRAND);
  fails += CHECK_PROC (rdseed, RDSEED);
  fails += CHECK_PROC (rdt_a, RDT_A);
  fails += CHECK_PROC (cqm, RDT_M);
  fails += CHECK_PROC (rdtscp, RDTSCP);
  fails += CHECK_PROC (rtm, RTM);
  fails += CHECK_PROC (sdbg, SDBG);
  fails += CHECK_PROC (sep, SEP);
  fails += CHECK_PROC (serialize, SERIALIZE);
  fails += CHECK_PROC (sgx, SGX);
  fails += CHECK_PROC (sgx_lc, SGX_LC);
  fails += CHECK_PROC (sha_ni, SHA);
  fails += CHECK_PROC (shstk, SHSTK);
  fails += CHECK_PROC (smap, SMAP);
  fails += CHECK_PROC (smep, SMEP);
  fails += CHECK_PROC (smx, SMX);
  fails += CHECK_PROC (ss, SS);
  fails += CHECK_PROC (ssbd, SSBD);
  fails += CHECK_PROC (sse, SSE);
  fails += CHECK_PROC (sse2, SSE2);
  fails += CHECK_PROC (sse3, SSE3);
  fails += CHECK_PROC (sse4_1, SSE4_1);
  fails += CHECK_PROC (sse4_2, SSE4_2);
  fails += CHECK_PROC (sse4a, SSE4A);
  fails += CHECK_PROC (ssse3, SSSE3);
  fails += CHECK_PROC (stibp, STIBP);
  fails += CHECK_PROC (svm, SVM);
#ifdef __x86_64__
  /* NB: SYSCALL_SYSRET is 64-bit only.  */
  fails += CHECK_PROC (syscall, SYSCALL_SYSRET);
#endif
  fails += CHECK_PROC (tbm, TBM);
  fails += CHECK_PROC (tm, TM);
  fails += CHECK_PROC (tm2, TM2);
  fails += CHECK_PROC (intel_pt, TRACE);
  fails += CHECK_PROC (tsc, TSC);
  fails += CHECK_PROC (tsc_adjust, TSC_ADJUST);
  fails += CHECK_PROC (tsc_deadline, TSC_DEADLINE);
  fails += CHECK_PROC (tsxldtrk, TSXLDTRK);
  fails += CHECK_PROC (umip, UMIP);
  fails += CHECK_PROC (vaes, VAES);
  fails += CHECK_PROC (vme, VME);
  fails += CHECK_PROC (vmx, VMX);
  fails += CHECK_PROC (vpclmulqdq, VPCLMULQDQ);
  fails += CHECK_PROC (waitpkg, WAITPKG);
  fails += CHECK_PROC (wbnoinvd, WBNOINVD);
  fails += CHECK_PROC (x2apic, X2APIC);
  fails += CHECK_PROC (xfd, XFD);
  fails += CHECK_PROC (xgetbv1, XGETBV_ECX_1);
  fails += CHECK_PROC (xop, XOP);
  fails += CHECK_PROC (xsave, XSAVE);
  fails += CHECK_PROC (xsavec, XSAVEC);
  fails += CHECK_PROC (xsaveopt, XSAVEOPT);
  fails += CHECK_PROC (xsaves, XSAVES);
  fails += CHECK_PROC (xtpr, XTPRUPDCTRL);

  printf ("%d differences between /proc/cpuinfo and glibc code.\n", fails);

  return (fails != 0);
}

#include "../../../test-skeleton.c"
Commit	Line	Data
96203980 L	1	/* Test CPU feature data against /proc/cpuinfo.
96203980 L	2	This file is part of the GNU C Library.
2b778ceb	3	Copyright (C) 2012-2021 Free Software Foundation, Inc.
96203980 L	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	#include <stdlib.h>
	22	#include <string.h>
	23
	24	static char *cpu_flags;
	25
	26	/* Search for flags in /proc/cpuinfo and store line
	27	in cpu_flags. */
	28	void
	29	get_cpuinfo (void)
	30	{
	31	FILE *f;
	32	char *line = NULL;
	33	size_t len = 0;
	34	ssize_t read;
	35
	36	f = fopen ("/proc/cpuinfo", "r");
	37	if (f == NULL)
	38	{
	39	printf ("cannot open /proc/cpuinfo\n");
	40	exit (1);
	41	}
	42
	43	while ((read = getline (&line, &len, f)) != -1)
	44	{
	45	if (strncmp (line, "flags", 5) == 0)
	46	{
	47	cpu_flags = strdup (line);
	48	break;
	49	}
	50	}
	51	fclose (f);
	52	free (line);
	53	}
	54
	55	int
	56	check_proc (const char proc_name, int flag, int usable, const char name)
	57	{
	58	int found = 0;
	59
	60	printf ("Checking %s:\n", name);
	61	if (!usable)
	62	{
	63	printf (" %s: insufficient usable info, skipped\n", name);
	64	return 0;
	65	}
	66	printf (" %s: %d\n", name, flag);
	67	if (strstr (cpu_flags, proc_name) != NULL)
68	found = 1;
69	printf (" cpuinfo (%s): %d\n", proc_name, found);
70
71	if (found != flag)
72	printf (" * failure *\n");
73
74	return (found != flag);
75	}
76
77	#define CHECK_PROC(str, name) \
78	check_proc (#str, HAS_CPU_FEATURE (name), CPU_FEATURE_USABLE (name), \
79	"HAS_CPU_FEATURE (" #name ")");
80
81	static int
82	do_test (int argc, char **argv)
83	{
84	int fails = 0;
85
86	get_cpuinfo ();
87	fails += CHECK_PROC (acpi, ACPI);
88	fails += CHECK_PROC (adx, ADX);
89	fails += CHECK_PROC (apic, APIC);
90	fails += CHECK_PROC (aes, AES);
91	fails += CHECK_PROC (amx_bf16, AMX_BF16);
92	fails += CHECK_PROC (amx_int8, AMX_INT8);
93	fails += CHECK_PROC (amx_tile, AMX_TILE);
94	fails += CHECK_PROC (arch_capabilities, ARCH_CAPABILITIES);
95	fails += CHECK_PROC (avx, AVX);
96	fails += CHECK_PROC (avx2, AVX2);
97	fails += CHECK_PROC (avx512_4fmaps, AVX512_4FMAPS);
98	fails += CHECK_PROC (avx512_4vnniw, AVX512_4VNNIW);
99	fails += CHECK_PROC (avx512_bf16, AVX512_BF16);
100	fails += CHECK_PROC (avx512_bitalg, AVX512_BITALG);
101	fails += CHECK_PROC (avx512ifma, AVX512_IFMA);
102	fails += CHECK_PROC (avx512_vbmi, AVX512_VBMI);
103	fails += CHECK_PROC (avx512_vbmi2, AVX512_VBMI2);
104	fails += CHECK_PROC (avx512_vnni, AVX512_VNNI);
105	fails += CHECK_PROC (avx512_vp2intersect, AVX512_VP2INTERSECT);
106	fails += CHECK_PROC (avx512_vpopcntdq, AVX512_VPOPCNTDQ);
107	fails += CHECK_PROC (avx512bw, AVX512BW);
108	fails += CHECK_PROC (avx512cd, AVX512CD);
109	fails += CHECK_PROC (avx512er, AVX512ER);
110	fails += CHECK_PROC (avx512dq, AVX512DQ);
111	fails += CHECK_PROC (avx512f, AVX512F);
112	fails += CHECK_PROC (avx512pf, AVX512PF);
113	fails += CHECK_PROC (avx512vl, AVX512VL);
114	fails += CHECK_PROC (bmi1, BMI1);
115	fails += CHECK_PROC (bmi2, BMI2);
116	fails += CHECK_PROC (cldemote, CLDEMOTE);
117	fails += CHECK_PROC (clflushopt, CLFLUSHOPT);
118	fails += CHECK_PROC (clflush, CLFSH);
119	fails += CHECK_PROC (clwb, CLWB);
120	fails += CHECK_PROC (cmov, CMOV);
121	fails += CHECK_PROC (cx16, CMPXCHG16B);
122	fails += CHECK_PROC (cnxt_id, CNXT_ID);
123	fails += CHECK_PROC (core_capabilities, CORE_CAPABILITIES);
124	fails += CHECK_PROC (cx8, CX8);
125	fails += CHECK_PROC (dca, DCA);
126	fails += CHECK_PROC (de, DE);
127	fails += CHECK_PROC (zero_fcs_fds, DEPR_FPU_CS_DS);
128	fails += CHECK_PROC (ds, DS);
129	fails += CHECK_PROC (ds_cpl, DS_CPL);
130	fails += CHECK_PROC (dtes64, DTES64);
131	fails += CHECK_PROC (est, EIST);
132	fails += CHECK_PROC (enqcmd, ENQCMD);
133	fails += CHECK_PROC (erms, ERMS);
134	fails += CHECK_PROC (f16c, F16C);
135	fails += CHECK_PROC (fma, FMA);
136	fails += CHECK_PROC (fma4, FMA4);
137	fails += CHECK_PROC (fpu, FPU);
138	fails += CHECK_PROC (fsgsbase, FSGSBASE);
139	fails += CHECK_PROC (fsrm, FSRM);
140	fails += CHECK_PROC (fxsr, FXSR);
141	fails += CHECK_PROC (gfni, GFNI);
142	fails += CHECK_PROC (hle, HLE);
143	fails += CHECK_PROC (ht, HTT);
144	fails += CHECK_PROC (hybrid, HYBRID);
145	fails += CHECK_PROC (ibrs, IBRS_IBPB);
146	fails += CHECK_PROC (ibt, IBT);
147	fails += CHECK_PROC (invariant_tsc, INVARIANT_TSC);
148	fails += CHECK_PROC (invpcid, INVPCID);
149	fails += CHECK_PROC (flush_l1d, L1D_FLUSH);
150	fails += CHECK_PROC (lahf_lm, LAHF64_SAHF64);
151	fails += CHECK_PROC (lm, LM);
152	fails += CHECK_PROC (lwp, LWP);
153	fails += CHECK_PROC (abm, LZCNT);
154	fails += CHECK_PROC (mca, MCA);
155	fails += CHECK_PROC (mce, MCE);
156	fails += CHECK_PROC (md_clear, MD_CLEAR);
157	fails += CHECK_PROC (mmx, MMX);
158	fails += CHECK_PROC (monitor, MONITOR);
159	fails += CHECK_PROC (movbe, MOVBE);
160	fails += CHECK_PROC (movdiri, MOVDIRI);
161	fails += CHECK_PROC (movdir64b, MOVDIR64B);
162	fails += CHECK_PROC (mpx, MPX);
163	fails += CHECK_PROC (msr, MSR);
164	fails += CHECK_PROC (mtrr, MTRR);
165	fails += CHECK_PROC (nx, NX);
166	fails += CHECK_PROC (ospke, OSPKE);
167	#if 0
168	/* NB: /proc/cpuinfo doesn't report this feature. */
169	fails += CHECK_PROC (osxsave, OSXSAVE);
170	#endif
171	fails += CHECK_PROC (pae, PAE);
172	fails += CHECK_PROC (pdpe1gb, PAGE1GB);
173	fails += CHECK_PROC (pat, PAT);
174	fails += CHECK_PROC (pbe, PBE);
175	fails += CHECK_PROC (pcid, PCID);
176	fails += CHECK_PROC (pclmulqdq, PCLMULQDQ);
177	fails += CHECK_PROC (pconfig, PCONFIG);
178	fails += CHECK_PROC (pdcm, PDCM);
179	fails += CHECK_PROC (pge, PGE);
180	fails += CHECK_PROC (pks, PKS);
181	fails += CHECK_PROC (pku, PKU);
182	fails += CHECK_PROC (popcnt, POPCNT);
183	fails += CHECK_PROC (3dnowprefetch, PREFETCHW);
184	fails += CHECK_PROC (prefetchwt1, PREFETCHWT1);
185	fails += CHECK_PROC (pse, PSE);
186	fails += CHECK_PROC (pse36, PSE_36);
187	fails += CHECK_PROC (psn, PSN);
188	fails += CHECK_PROC (rdpid, RDPID);
189	fails += CHECK_PROC (rdrand, RDRAND);
190	fails += CHECK_PROC (rdseed, RDSEED);
191	fails += CHECK_PROC (rdt_a, RDT_A);
192	fails += CHECK_PROC (cqm, RDT_M);
193	fails += CHECK_PROC (rdtscp, RDTSCP);
194	fails += CHECK_PROC (rtm, RTM);
195	fails += CHECK_PROC (sdbg, SDBG);
196	fails += CHECK_PROC (sep, SEP);
197	fails += CHECK_PROC (serialize, SERIALIZE);
198	fails += CHECK_PROC (sgx, SGX);
199	fails += CHECK_PROC (sgx_lc, SGX_LC);
200	fails += CHECK_PROC (sha_ni, SHA);
201	fails += CHECK_PROC (shstk, SHSTK);
202	fails += CHECK_PROC (smap, SMAP);
203	fails += CHECK_PROC (smep, SMEP);
204	fails += CHECK_PROC (smx, SMX);
205	fails += CHECK_PROC (ss, SS);
206	fails += CHECK_PROC (ssbd, SSBD);
207	fails += CHECK_PROC (sse, SSE);
208	fails += CHECK_PROC (sse2, SSE2);
209	fails += CHECK_PROC (sse3, SSE3);
210	fails += CHECK_PROC (sse4_1, SSE4_1);
211	fails += CHECK_PROC (sse4_2, SSE4_2);
212	fails += CHECK_PROC (sse4a, SSE4A);
213	fails += CHECK_PROC (ssse3, SSSE3);
214	fails += CHECK_PROC (stibp, STIBP);
215	fails += CHECK_PROC (svm, SVM);
216	#ifdef __x86_64__
217	/* NB: SYSCALL_SYSRET is 64-bit only. */
218	fails += CHECK_PROC (syscall, SYSCALL_SYSRET);
219	#endif
220	fails += CHECK_PROC (tbm, TBM);
221	fails += CHECK_PROC (tm, TM);
222	fails += CHECK_PROC (tm2, TM2);
223	fails += CHECK_PROC (intel_pt, TRACE);
224	fails += CHECK_PROC (tsc, TSC);
225	fails += CHECK_PROC (tsc_adjust, TSC_ADJUST);
226	fails += CHECK_PROC (tsc_deadline, TSC_DEADLINE);
227	fails += CHECK_PROC (tsxldtrk, TSXLDTRK);
228	fails += CHECK_PROC (umip, UMIP);
229	fails += CHECK_PROC (vaes, VAES);
230	fails += CHECK_PROC (vme, VME);
231	fails += CHECK_PROC (vmx, VMX);
232	fails += CHECK_PROC (vpclmulqdq, VPCLMULQDQ);
233	fails += CHECK_PROC (waitpkg, WAITPKG);
234	fails += CHECK_PROC (wbnoinvd, WBNOINVD);
235	fails += CHECK_PROC (x2apic, X2APIC);
236	fails += CHECK_PROC (xfd, XFD);
237	fails += CHECK_PROC (xgetbv1, XGETBV_ECX_1);
238	fails += CHECK_PROC (xop, XOP);
239	fails += CHECK_PROC (xsave, XSAVE);
240	fails += CHECK_PROC (xsavec, XSAVEC);
241	fails += CHECK_PROC (xsaveopt, XSAVEOPT);
242	fails += CHECK_PROC (xsaves, XSAVES);
243	fails += CHECK_PROC (xtpr, XTPRUPDCTRL);
244
245	printf ("%d differences between /proc/cpuinfo and glibc code.\n", fails);
246
247	return (fails != 0);
248	}
249
250	#include "../../../test-skeleton.c"