62 void __cpuid(int cpu_info[4], int info_type) {  in __cpuid()
67       : "=a"(cpu_info[0]), "=D"(cpu_info[1]), "=c"(cpu_info[2]),  in __cpuid()
68         "=d"(cpu_info[3])  in __cpuid()
74 void __cpuid(int cpu_info[4], int info_type) {
76                    : "=a"(cpu_info[0]), "=b"(cpu_info[1]), "=c"(cpu_info[2]),
77                      "=d"(cpu_info[3])
132   int cpu_info[4] = {-1};  in Initialize()  local
137   char cpu_string[sizeof(cpu_info) * 3 + 1];  in Initialize()
146   __cpuid(cpu_info, 0);  in Initialize()
147   int num_ids = cpu_info[0];  in Initialize()
148   std::swap(cpu_info[2], cpu_info[3]);  in Initialize()
149   static constexpr size_t kVendorNameSize = 3 * sizeof(cpu_info[1]);  in Initialize()
152   memcpy(cpu_string, &cpu_info[1], kVendorNameSize);  in Initialize()
159     __cpuid(cpu_info, 1);  in Initialize()
163     signature_ = cpu_info[0];  in Initialize()
164     stepping_ = cpu_info[0] & 0xf;  in Initialize()
165     model_ = ((cpu_info[0] >> 4) & 0xf) + ((cpu_info[0] >> 12) & 0xf0);  in Initialize()
166     family_ = (cpu_info[0] >> 8) & 0xf;  in Initialize()
167     type_ = (cpu_info[0] >> 12) & 0x3;  in Initialize()
168     ext_model_ = (cpu_info[0] >> 16) & 0xf;  in Initialize()
169     ext_family_ = (cpu_info[0] >> 20) & 0xff;  in Initialize()
170     has_mmx_ =   (cpu_info[3] & 0x00800000) != 0;  in Initialize()
171     has_sse_ =   (cpu_info[3] & 0x02000000) != 0;  in Initialize()
172     has_sse2_ =  (cpu_info[3] & 0x04000000) != 0;  in Initialize()
173     has_sse3_ =  (cpu_info[2] & 0x00000001) != 0;  in Initialize()
174     has_ssse3_ = (cpu_info[2] & 0x00000200) != 0;  in Initialize()
175     has_sse41_ = (cpu_info[2] & 0x00080000) != 0;  in Initialize()
176     has_sse42_ = (cpu_info[2] & 0x00100000) != 0;  in Initialize()
177     has_popcnt_ = (cpu_info[2] & 0x00800000) != 0;  in Initialize()
190         (cpu_info[2] & 0x10000000) != 0 &&  in Initialize()
191         (cpu_info[2] & 0x04000000) != 0 /* XSAVE */ &&  in Initialize()
192         (cpu_info[2] & 0x08000000) != 0 /* OSXSAVE */ &&  in Initialize()
194     has_aesni_ = (cpu_info[2] & 0x02000000) != 0;  in Initialize()
199   __cpuid(cpu_info, 0x80000000);  in Initialize()
200   const int max_parameter = cpu_info[0];  in Initialize()
205   static_assert(kParameterSize * sizeof(cpu_info) + 1 == arraysize(cpu_string),  in Initialize()
212       __cpuid(cpu_info, parameter);  in Initialize()
213       memcpy(&cpu_string[i], cpu_info, sizeof(cpu_info));  in Initialize()
214       i += sizeof(cpu_info);  in Initialize()
222     __cpuid(cpu_info, kParameterContainingNonStopTimeStampCounter);  in Initialize()
223     has_non_stop_time_stamp_counter_ = (cpu_info[3] & (1 << 8)) != 0;  in Initialize()