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[OpenMP][host runtime] small fixup of RTM CPUID bit check

This commit is contained in:
Peyton, Jonathan L 2021-10-14 16:37:52 -05:00
parent f9ad1d1c77
commit b840d3ab0d
1 changed files with 3 additions and 3 deletions
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6
openmp/runtime/src/kmp_utility.cpp
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@ -247,15 +247,15 @@ void __kmp_query_cpuid(kmp_cpuinfo_t *p) {
i, buf.eax, buf.ebx, buf.ecx, buf.edx));
}
#endif
#if KMP_USE_ADAPTIVE_LOCKS
p->flags.rtm = 0;
if (max_arg > 7) {
/* RTM bit CPUID.07:EBX, bit 11 */
__kmp_x86_cpuid(7, 0, &buf);
p->flags.rtm = (buf.ebx >> 11) & 1;
KA_TRACE(trace_level, (" RTM"));
if (p->flags.rtm) {
KA_TRACE(trace_level, (" RTM"));
}
}
#endif
}
{ // Parse CPU brand string for frequency, saving the string for later.