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https://sourceware.org/git/glibc.git
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ea8e465a6b
From https://www.intel.com/content/www/us/en/support/articles/000059422/processors.html * Intel TSX will be disabled by default. * The processor will force abort all Restricted Transactional Memory (RTM) transactions by default. * A new CPUID bit CPUID.07H.0H.EDX[11](RTM_ALWAYS_ABORT) will be enumerated, which is set to indicate to updated software that the loaded microcode is forcing RTM abort. * On processors that enumerate support for RTM, the CPUID enumeration bits for Intel TSX (CPUID.07H.0H.EBX[11] and CPUID.07H.0H.EBX[4]) continue to be set by default after microcode update. * Workloads that were benefited from Intel TSX might experience a change in performance. * System software may use a new bit in Model-Specific Register (MSR) 0x10F TSX_FORCE_ABORT[TSX_CPUID_CLEAR] functionality to clear the Hardware Lock Elision (HLE) and RTM bits to indicate to software that Intel TSX is disabled. 1. Add RTM_ALWAYS_ABORT to CPUID features. 2. Set RTM usable only if RTM_ALWAYS_ABORT isn't set. This skips the string/tst-memchr-rtm etc. testcases on the affected processors, which always fail after a microcde update. 3. Check RTM feature, instead of usability, against /proc/cpuinfo. This fixes BZ #28033.
376 lines
12 KiB
C
376 lines
12 KiB
C
/* Test case for <sys/platform/x86.h> interface
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Copyright (C) 2015-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/platform/x86.h>
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#include <support/check.h>
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#define CHECK_CPU_FEATURE(name) \
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{ \
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if (HAS_CPU_FEATURE (name)) \
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printf (" " #name "\n"); \
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}
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#define CHECK_CPU_FEATURE_USABLE(name) \
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{ \
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if (CPU_FEATURE_USABLE(name)) \
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printf (" " #name "\n"); \
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}
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static int
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do_test (void)
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{
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#ifdef __SSE2__
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TEST_VERIFY_EXIT (HAS_CPU_FEATURE (SSE2));
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#endif
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printf ("CPU features:\n");
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CHECK_CPU_FEATURE (SSE3);
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CHECK_CPU_FEATURE (PCLMULQDQ);
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CHECK_CPU_FEATURE (DTES64);
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CHECK_CPU_FEATURE (MONITOR);
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CHECK_CPU_FEATURE (DS_CPL);
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CHECK_CPU_FEATURE (VMX);
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CHECK_CPU_FEATURE (SMX);
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CHECK_CPU_FEATURE (EIST);
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CHECK_CPU_FEATURE (TM2);
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CHECK_CPU_FEATURE (SSSE3);
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CHECK_CPU_FEATURE (CNXT_ID);
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CHECK_CPU_FEATURE (SDBG);
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CHECK_CPU_FEATURE (FMA);
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CHECK_CPU_FEATURE (CMPXCHG16B);
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CHECK_CPU_FEATURE (XTPRUPDCTRL);
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CHECK_CPU_FEATURE (PDCM);
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CHECK_CPU_FEATURE (PCID);
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CHECK_CPU_FEATURE (DCA);
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CHECK_CPU_FEATURE (SSE4_1);
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CHECK_CPU_FEATURE (SSE4_2);
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CHECK_CPU_FEATURE (X2APIC);
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CHECK_CPU_FEATURE (MOVBE);
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CHECK_CPU_FEATURE (POPCNT);
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CHECK_CPU_FEATURE (TSC_DEADLINE);
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CHECK_CPU_FEATURE (AES);
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CHECK_CPU_FEATURE (XSAVE);
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CHECK_CPU_FEATURE (OSXSAVE);
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CHECK_CPU_FEATURE (AVX);
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CHECK_CPU_FEATURE (F16C);
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CHECK_CPU_FEATURE (RDRAND);
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CHECK_CPU_FEATURE (FPU);
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CHECK_CPU_FEATURE (VME);
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CHECK_CPU_FEATURE (DE);
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CHECK_CPU_FEATURE (PSE);
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CHECK_CPU_FEATURE (TSC);
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CHECK_CPU_FEATURE (MSR);
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CHECK_CPU_FEATURE (PAE);
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CHECK_CPU_FEATURE (MCE);
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CHECK_CPU_FEATURE (CX8);
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CHECK_CPU_FEATURE (APIC);
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CHECK_CPU_FEATURE (SEP);
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CHECK_CPU_FEATURE (MTRR);
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CHECK_CPU_FEATURE (PGE);
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CHECK_CPU_FEATURE (MCA);
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CHECK_CPU_FEATURE (CMOV);
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CHECK_CPU_FEATURE (PAT);
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CHECK_CPU_FEATURE (PSE_36);
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CHECK_CPU_FEATURE (PSN);
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CHECK_CPU_FEATURE (CLFSH);
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CHECK_CPU_FEATURE (DS);
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CHECK_CPU_FEATURE (ACPI);
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CHECK_CPU_FEATURE (MMX);
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CHECK_CPU_FEATURE (FXSR);
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CHECK_CPU_FEATURE (SSE);
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CHECK_CPU_FEATURE (SSE2);
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CHECK_CPU_FEATURE (SS);
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CHECK_CPU_FEATURE (HTT);
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CHECK_CPU_FEATURE (TM);
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CHECK_CPU_FEATURE (PBE);
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CHECK_CPU_FEATURE (FSGSBASE);
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CHECK_CPU_FEATURE (TSC_ADJUST);
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CHECK_CPU_FEATURE (SGX);
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CHECK_CPU_FEATURE (BMI1);
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CHECK_CPU_FEATURE (HLE);
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CHECK_CPU_FEATURE (AVX2);
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CHECK_CPU_FEATURE (SMEP);
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CHECK_CPU_FEATURE (BMI2);
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CHECK_CPU_FEATURE (ERMS);
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CHECK_CPU_FEATURE (INVPCID);
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CHECK_CPU_FEATURE (RTM);
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CHECK_CPU_FEATURE (RDT_M);
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CHECK_CPU_FEATURE (DEPR_FPU_CS_DS);
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CHECK_CPU_FEATURE (MPX);
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CHECK_CPU_FEATURE (RDT_A);
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CHECK_CPU_FEATURE (AVX512F);
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CHECK_CPU_FEATURE (AVX512DQ);
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CHECK_CPU_FEATURE (RDSEED);
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CHECK_CPU_FEATURE (ADX);
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CHECK_CPU_FEATURE (SMAP);
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CHECK_CPU_FEATURE (AVX512_IFMA);
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CHECK_CPU_FEATURE (CLFLUSHOPT);
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CHECK_CPU_FEATURE (CLWB);
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CHECK_CPU_FEATURE (TRACE);
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CHECK_CPU_FEATURE (AVX512PF);
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CHECK_CPU_FEATURE (AVX512ER);
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CHECK_CPU_FEATURE (AVX512CD);
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CHECK_CPU_FEATURE (SHA);
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CHECK_CPU_FEATURE (AVX512BW);
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CHECK_CPU_FEATURE (AVX512VL);
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CHECK_CPU_FEATURE (PREFETCHWT1);
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CHECK_CPU_FEATURE (AVX512_VBMI);
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CHECK_CPU_FEATURE (UMIP);
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CHECK_CPU_FEATURE (PKU);
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CHECK_CPU_FEATURE (OSPKE);
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CHECK_CPU_FEATURE (WAITPKG);
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CHECK_CPU_FEATURE (AVX512_VBMI2);
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CHECK_CPU_FEATURE (SHSTK);
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CHECK_CPU_FEATURE (GFNI);
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CHECK_CPU_FEATURE (VAES);
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CHECK_CPU_FEATURE (VPCLMULQDQ);
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CHECK_CPU_FEATURE (AVX512_VNNI);
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CHECK_CPU_FEATURE (AVX512_BITALG);
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CHECK_CPU_FEATURE (AVX512_VPOPCNTDQ);
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CHECK_CPU_FEATURE (RDPID);
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CHECK_CPU_FEATURE (KL);
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CHECK_CPU_FEATURE (CLDEMOTE);
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CHECK_CPU_FEATURE (MOVDIRI);
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CHECK_CPU_FEATURE (MOVDIR64B);
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CHECK_CPU_FEATURE (ENQCMD);
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CHECK_CPU_FEATURE (SGX_LC);
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CHECK_CPU_FEATURE (PKS);
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CHECK_CPU_FEATURE (AVX512_4VNNIW);
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CHECK_CPU_FEATURE (AVX512_4FMAPS);
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CHECK_CPU_FEATURE (FSRM);
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CHECK_CPU_FEATURE (UINTR);
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CHECK_CPU_FEATURE (AVX512_VP2INTERSECT);
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CHECK_CPU_FEATURE (MD_CLEAR);
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CHECK_CPU_FEATURE (RTM_ALWAYS_ABORT);
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CHECK_CPU_FEATURE (SERIALIZE);
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CHECK_CPU_FEATURE (HYBRID);
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CHECK_CPU_FEATURE (TSXLDTRK);
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CHECK_CPU_FEATURE (PCONFIG);
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CHECK_CPU_FEATURE (IBT);
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CHECK_CPU_FEATURE (AMX_BF16);
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CHECK_CPU_FEATURE (AVX512_FP16);
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CHECK_CPU_FEATURE (AMX_TILE);
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CHECK_CPU_FEATURE (AMX_INT8);
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CHECK_CPU_FEATURE (IBRS_IBPB);
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CHECK_CPU_FEATURE (STIBP);
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CHECK_CPU_FEATURE (L1D_FLUSH);
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CHECK_CPU_FEATURE (ARCH_CAPABILITIES);
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CHECK_CPU_FEATURE (CORE_CAPABILITIES);
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CHECK_CPU_FEATURE (SSBD);
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CHECK_CPU_FEATURE (LAHF64_SAHF64);
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CHECK_CPU_FEATURE (SVM);
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CHECK_CPU_FEATURE (LZCNT);
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CHECK_CPU_FEATURE (SSE4A);
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CHECK_CPU_FEATURE (PREFETCHW);
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CHECK_CPU_FEATURE (XOP);
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CHECK_CPU_FEATURE (LWP);
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CHECK_CPU_FEATURE (FMA4);
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CHECK_CPU_FEATURE (TBM);
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CHECK_CPU_FEATURE (SYSCALL_SYSRET);
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CHECK_CPU_FEATURE (NX);
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CHECK_CPU_FEATURE (PAGE1GB);
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CHECK_CPU_FEATURE (RDTSCP);
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CHECK_CPU_FEATURE (LM);
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CHECK_CPU_FEATURE (XSAVEOPT);
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CHECK_CPU_FEATURE (XSAVEC);
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CHECK_CPU_FEATURE (XGETBV_ECX_1);
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CHECK_CPU_FEATURE (XSAVES);
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CHECK_CPU_FEATURE (XFD);
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CHECK_CPU_FEATURE (INVARIANT_TSC);
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CHECK_CPU_FEATURE (WBNOINVD);
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CHECK_CPU_FEATURE (AVX_VNNI);
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CHECK_CPU_FEATURE (AVX512_BF16);
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CHECK_CPU_FEATURE (FZLRM);
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CHECK_CPU_FEATURE (FSRS);
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CHECK_CPU_FEATURE (FSRCS);
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CHECK_CPU_FEATURE (HRESET);
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CHECK_CPU_FEATURE (LAM);
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CHECK_CPU_FEATURE (AESKLE);
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CHECK_CPU_FEATURE (WIDE_KL);
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CHECK_CPU_FEATURE (PTWRITE);
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printf ("Usable CPU features:\n");
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CHECK_CPU_FEATURE_USABLE (SSE3);
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CHECK_CPU_FEATURE_USABLE (PCLMULQDQ);
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CHECK_CPU_FEATURE_USABLE (DTES64);
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CHECK_CPU_FEATURE_USABLE (MONITOR);
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CHECK_CPU_FEATURE_USABLE (DS_CPL);
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CHECK_CPU_FEATURE_USABLE (VMX);
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CHECK_CPU_FEATURE_USABLE (SMX);
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CHECK_CPU_FEATURE_USABLE (EIST);
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CHECK_CPU_FEATURE_USABLE (TM2);
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CHECK_CPU_FEATURE_USABLE (SSSE3);
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CHECK_CPU_FEATURE_USABLE (CNXT_ID);
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CHECK_CPU_FEATURE_USABLE (SDBG);
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CHECK_CPU_FEATURE_USABLE (FMA);
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CHECK_CPU_FEATURE_USABLE (CMPXCHG16B);
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CHECK_CPU_FEATURE_USABLE (XTPRUPDCTRL);
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CHECK_CPU_FEATURE_USABLE (PDCM);
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CHECK_CPU_FEATURE_USABLE (PCID);
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CHECK_CPU_FEATURE_USABLE (DCA);
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CHECK_CPU_FEATURE_USABLE (SSE4_1);
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CHECK_CPU_FEATURE_USABLE (SSE4_2);
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CHECK_CPU_FEATURE_USABLE (X2APIC);
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CHECK_CPU_FEATURE_USABLE (MOVBE);
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CHECK_CPU_FEATURE_USABLE (POPCNT);
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CHECK_CPU_FEATURE_USABLE (TSC_DEADLINE);
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CHECK_CPU_FEATURE_USABLE (AES);
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CHECK_CPU_FEATURE_USABLE (XSAVE);
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CHECK_CPU_FEATURE_USABLE (OSXSAVE);
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CHECK_CPU_FEATURE_USABLE (AVX);
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CHECK_CPU_FEATURE_USABLE (F16C);
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CHECK_CPU_FEATURE_USABLE (RDRAND);
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CHECK_CPU_FEATURE_USABLE (FPU);
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CHECK_CPU_FEATURE_USABLE (VME);
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CHECK_CPU_FEATURE_USABLE (DE);
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CHECK_CPU_FEATURE_USABLE (PSE);
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CHECK_CPU_FEATURE_USABLE (TSC);
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CHECK_CPU_FEATURE_USABLE (MSR);
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CHECK_CPU_FEATURE_USABLE (PAE);
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CHECK_CPU_FEATURE_USABLE (MCE);
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CHECK_CPU_FEATURE_USABLE (CX8);
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CHECK_CPU_FEATURE_USABLE (APIC);
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CHECK_CPU_FEATURE_USABLE (SEP);
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CHECK_CPU_FEATURE_USABLE (MTRR);
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CHECK_CPU_FEATURE_USABLE (PGE);
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CHECK_CPU_FEATURE_USABLE (MCA);
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CHECK_CPU_FEATURE_USABLE (CMOV);
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CHECK_CPU_FEATURE_USABLE (PAT);
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CHECK_CPU_FEATURE_USABLE (PSE_36);
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CHECK_CPU_FEATURE_USABLE (PSN);
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CHECK_CPU_FEATURE_USABLE (CLFSH);
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CHECK_CPU_FEATURE_USABLE (DS);
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CHECK_CPU_FEATURE_USABLE (ACPI);
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CHECK_CPU_FEATURE_USABLE (MMX);
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CHECK_CPU_FEATURE_USABLE (FXSR);
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CHECK_CPU_FEATURE_USABLE (SSE);
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CHECK_CPU_FEATURE_USABLE (SSE2);
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CHECK_CPU_FEATURE_USABLE (SS);
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CHECK_CPU_FEATURE_USABLE (HTT);
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CHECK_CPU_FEATURE_USABLE (TM);
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CHECK_CPU_FEATURE_USABLE (PBE);
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CHECK_CPU_FEATURE_USABLE (FSGSBASE);
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CHECK_CPU_FEATURE_USABLE (TSC_ADJUST);
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CHECK_CPU_FEATURE_USABLE (SGX);
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CHECK_CPU_FEATURE_USABLE (BMI1);
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CHECK_CPU_FEATURE_USABLE (HLE);
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CHECK_CPU_FEATURE_USABLE (AVX2);
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CHECK_CPU_FEATURE_USABLE (SMEP);
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CHECK_CPU_FEATURE_USABLE (BMI2);
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CHECK_CPU_FEATURE_USABLE (ERMS);
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CHECK_CPU_FEATURE_USABLE (INVPCID);
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CHECK_CPU_FEATURE_USABLE (RTM);
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CHECK_CPU_FEATURE_USABLE (RDT_M);
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CHECK_CPU_FEATURE_USABLE (DEPR_FPU_CS_DS);
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CHECK_CPU_FEATURE_USABLE (MPX);
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CHECK_CPU_FEATURE_USABLE (RDT_A);
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CHECK_CPU_FEATURE_USABLE (AVX512F);
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CHECK_CPU_FEATURE_USABLE (AVX512DQ);
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CHECK_CPU_FEATURE_USABLE (RDSEED);
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CHECK_CPU_FEATURE_USABLE (ADX);
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CHECK_CPU_FEATURE_USABLE (SMAP);
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CHECK_CPU_FEATURE_USABLE (AVX512_IFMA);
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CHECK_CPU_FEATURE_USABLE (CLFLUSHOPT);
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CHECK_CPU_FEATURE_USABLE (CLWB);
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CHECK_CPU_FEATURE_USABLE (TRACE);
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CHECK_CPU_FEATURE_USABLE (AVX512PF);
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CHECK_CPU_FEATURE_USABLE (AVX512ER);
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CHECK_CPU_FEATURE_USABLE (AVX512CD);
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CHECK_CPU_FEATURE_USABLE (SHA);
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CHECK_CPU_FEATURE_USABLE (AVX512BW);
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CHECK_CPU_FEATURE_USABLE (AVX512VL);
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CHECK_CPU_FEATURE_USABLE (PREFETCHWT1);
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CHECK_CPU_FEATURE_USABLE (AVX512_VBMI);
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CHECK_CPU_FEATURE_USABLE (UMIP);
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CHECK_CPU_FEATURE_USABLE (PKU);
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CHECK_CPU_FEATURE_USABLE (OSPKE);
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CHECK_CPU_FEATURE_USABLE (WAITPKG);
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CHECK_CPU_FEATURE_USABLE (AVX512_VBMI2);
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CHECK_CPU_FEATURE_USABLE (SHSTK);
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CHECK_CPU_FEATURE_USABLE (GFNI);
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CHECK_CPU_FEATURE_USABLE (VAES);
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CHECK_CPU_FEATURE_USABLE (VPCLMULQDQ);
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CHECK_CPU_FEATURE_USABLE (AVX512_VNNI);
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CHECK_CPU_FEATURE_USABLE (AVX512_BITALG);
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CHECK_CPU_FEATURE_USABLE (AVX512_VPOPCNTDQ);
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CHECK_CPU_FEATURE_USABLE (RDPID);
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CHECK_CPU_FEATURE_USABLE (KL);
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CHECK_CPU_FEATURE_USABLE (CLDEMOTE);
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CHECK_CPU_FEATURE_USABLE (MOVDIRI);
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CHECK_CPU_FEATURE_USABLE (MOVDIR64B);
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CHECK_CPU_FEATURE_USABLE (ENQCMD);
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CHECK_CPU_FEATURE_USABLE (SGX_LC);
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CHECK_CPU_FEATURE_USABLE (PKS);
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CHECK_CPU_FEATURE_USABLE (AVX512_4VNNIW);
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CHECK_CPU_FEATURE_USABLE (AVX512_4FMAPS);
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CHECK_CPU_FEATURE_USABLE (FSRM);
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CHECK_CPU_FEATURE_USABLE (AVX512_VP2INTERSECT);
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CHECK_CPU_FEATURE_USABLE (MD_CLEAR);
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CHECK_CPU_FEATURE_USABLE (RTM_ALWAYS_ABORT);
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CHECK_CPU_FEATURE_USABLE (SERIALIZE);
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CHECK_CPU_FEATURE_USABLE (HYBRID);
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CHECK_CPU_FEATURE_USABLE (TSXLDTRK);
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CHECK_CPU_FEATURE_USABLE (PCONFIG);
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CHECK_CPU_FEATURE_USABLE (IBT);
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CHECK_CPU_FEATURE_USABLE (AMX_BF16);
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CHECK_CPU_FEATURE_USABLE (AVX512_FP16);
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CHECK_CPU_FEATURE_USABLE (AMX_TILE);
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CHECK_CPU_FEATURE_USABLE (AMX_INT8);
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CHECK_CPU_FEATURE_USABLE (IBRS_IBPB);
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CHECK_CPU_FEATURE_USABLE (STIBP);
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CHECK_CPU_FEATURE_USABLE (L1D_FLUSH);
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CHECK_CPU_FEATURE_USABLE (ARCH_CAPABILITIES);
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CHECK_CPU_FEATURE_USABLE (CORE_CAPABILITIES);
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CHECK_CPU_FEATURE_USABLE (SSBD);
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CHECK_CPU_FEATURE_USABLE (LAHF64_SAHF64);
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CHECK_CPU_FEATURE_USABLE (SVM);
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CHECK_CPU_FEATURE_USABLE (LZCNT);
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CHECK_CPU_FEATURE_USABLE (SSE4A);
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CHECK_CPU_FEATURE_USABLE (PREFETCHW);
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CHECK_CPU_FEATURE_USABLE (XOP);
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CHECK_CPU_FEATURE_USABLE (LWP);
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CHECK_CPU_FEATURE_USABLE (FMA4);
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CHECK_CPU_FEATURE_USABLE (TBM);
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CHECK_CPU_FEATURE_USABLE (SYSCALL_SYSRET);
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CHECK_CPU_FEATURE_USABLE (NX);
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CHECK_CPU_FEATURE_USABLE (PAGE1GB);
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CHECK_CPU_FEATURE_USABLE (RDTSCP);
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CHECK_CPU_FEATURE_USABLE (LM);
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CHECK_CPU_FEATURE_USABLE (XSAVEOPT);
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CHECK_CPU_FEATURE_USABLE (XSAVEC);
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CHECK_CPU_FEATURE_USABLE (XGETBV_ECX_1);
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CHECK_CPU_FEATURE_USABLE (XSAVES);
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CHECK_CPU_FEATURE_USABLE (XFD);
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CHECK_CPU_FEATURE_USABLE (INVARIANT_TSC);
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CHECK_CPU_FEATURE_USABLE (WBNOINVD);
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CHECK_CPU_FEATURE_USABLE (AVX_VNNI);
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CHECK_CPU_FEATURE_USABLE (AVX512_BF16);
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CHECK_CPU_FEATURE_USABLE (FZLRM);
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CHECK_CPU_FEATURE_USABLE (FSRS);
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CHECK_CPU_FEATURE_USABLE (FSRCS);
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CHECK_CPU_FEATURE_USABLE (AESKLE);
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CHECK_CPU_FEATURE_USABLE (WIDE_KL);
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CHECK_CPU_FEATURE_USABLE (PTWRITE);
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return 0;
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}
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#include <support/test-driver.c>
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