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8269825: [TESTBUG] Missing testing for x86 KNL platforms

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Reviewed-by: dlong, jbhateja
This commit is contained in:
Vladimir Kozlov 2021-07-06 21:52:23 +00:00
parent e0c130f484
commit 0d1cd3a745
3 changed files with 13 additions and 1 deletions
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3
src/hotspot/cpu/x86/globals_x86.hpp
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@ -109,6 +109,9 @@ define_pd_global(intx, InitArrayShortSize, 8*BytesPerLong);
"Highest supported AVX instructions set on x86/x64") \
range(0, 99) \
\
product(bool, UseKNLSetting, false, DIAGNOSTIC, \
"Control whether Knights platform setting should be used") \
\
product(bool, UseCLMUL, false, \
"Control whether CLMUL instructions can be used on x86/x64") \
\

9
src/hotspot/cpu/x86/vm_version_x86.cpp
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@ -769,6 +769,15 @@ void VM_Version::get_processor_features() {
_features &= ~CPU_VZEROUPPER;
_features &= ~CPU_AVX512BW;
_features &= ~CPU_AVX512VL;
_features &= ~CPU_AVX512DQ;
_features &= ~CPU_AVX512_VNNI;
_features &= ~CPU_AVX512_VAES;
_features &= ~CPU_AVX512_VPOPCNTDQ;
_features &= ~CPU_AVX512_VPCLMULQDQ;
_features &= ~CPU_AVX512_VBMI;
_features &= ~CPU_AVX512_VBMI2;
_features &= ~CPU_CLWB;
_features &= ~CPU_FLUSHOPT;
}
}

2
src/hotspot/cpu/x86/vm_version_x86.hpp
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@ -778,7 +778,7 @@ public:
static bool is_intel() { assert_is_initialized(); return _cpuid_info.std_vendor_name_0 == 0x756e6547; } // 'uneG'
static bool is_zx() { assert_is_initialized(); return (_cpuid_info.std_vendor_name_0 == 0x746e6543) || (_cpuid_info.std_vendor_name_0 == 0x68532020); } // 'tneC'||'hS '
static bool is_atom_family() { return ((cpu_family() == 0x06) && ((extended_cpu_model() == 0x36) || (extended_cpu_model() == 0x37) || (extended_cpu_model() == 0x4D))); } //Silvermont and Centerton
static bool is_knights_family() { return ((cpu_family() == 0x06) && ((extended_cpu_model() == 0x57) || (extended_cpu_model() == 0x85))); } // Xeon Phi 3200/5200/7200 and Future Xeon Phi
static bool is_knights_family() { return UseKNLSetting || ((cpu_family() == 0x06) && ((extended_cpu_model() == 0x57) || (extended_cpu_model() == 0x85))); } // Xeon Phi 3200/5200/7200 and Future Xeon Phi
static bool supports_processor_topology() {
return (_cpuid_info.std_max_function >= 0xB) &&