Esempi in C++ (Cpp) per ymm_test_value

Esempio n. 1

File: vm_version_x86.hpp Progetto: wei-tang/JVM

 static bool os_supports_avx_vectors() {
   bool retVal = false;
   if (supports_evex()) {
     // Verify that OS save/restore all bits of EVEX registers
     // during signal processing.
     int nreg = 2 LP64_ONLY(+2);
     retVal = true;
     for (int i = 0; i < 16 * nreg; i++) { // 64 bytes per zmm register
       if (_cpuid_info.zmm_save[i] != ymm_test_value()) {
         retVal = false;
         break;
       }
     }
   } else if (supports_avx()) {
     // Verify that OS save/restore all bits of AVX registers
     // during signal processing.
     int nreg = 2 LP64_ONLY(+2);
     retVal = true;
     for (int i = 0; i < 8 * nreg; i++) { // 32 bytes per ymm register
       if (_cpuid_info.ymm_save[i] != ymm_test_value()) {
         retVal = false;
         break;
       }
     }
   }
   return retVal;
 }

Esempio n. 2

File: vm_version_x86.hpp Progetto: aristofanio/jdk8u-jdk8u-hotspot

 static bool os_supports_avx_vectors() {
   if (!supports_avx()) {
     return false;
   }
   // Verify that OS save/restore all bits of AVX registers
   // during signal processing.
   int nreg = 2 LP64_ONLY(+2);
   for (int i = 0; i < 8 * nreg; i++) { // 32 bytes per ymm register
     if (_cpuid_info.ymm_save[i] != ymm_test_value()) {
       return false;
     }
   }
   return true;
 }