src/cpu/x86/vm/vm_version_x86.cpp

*** 652,661 ****
--- 652,674 ----
    if( is_intel() ) { // Intel cpus specific settings
      if ((cpu_family() == 0x06) &&
          ((extended_cpu_model() == 0x57) ||   // Xeon Phi 3200/5200/7200
          (extended_cpu_model() == 0x85))) {  // Future Xeon Phi
        _features &= ~CPU_VZEROUPPER;
+       if (FLAG_IS_DEFAULT(UseIncDec)) {
+         FLAG_SET_DEFAULT(UseIncDec, false);
+       }
+ #ifdef COMPILER2
+       if (FLAG_IS_DEFAULT(OptoScheduling)) {
+         OptoScheduling = true;
+       }
+ #endif
+       if (supports_sse4_2()) { // Silvermont
+         if (FLAG_IS_DEFAULT(UseUnalignedLoadStores)) {
+           UseUnalignedLoadStores = true; // use movdqu on newest Intel cpus
+         }
+       }
      }
    }
  
    char buf[256];
    jio_snprintf(buf, sizeof(buf), "(%u cores per cpu, %u threads per core) family %d model %d stepping %d%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
*** 1191,1200 ****
--- 1204,1216 ----
        if (supports_sse4_2()) { // Silvermont
          if (FLAG_IS_DEFAULT(UseUnalignedLoadStores)) {
            UseUnalignedLoadStores = true; // use movdqu on newest Intel cpus
          }
        }
+       if (FLAG_IS_DEFAULT(UseIncDec)) {
+         FLAG_SET_DEFAULT(UseIncDec, false);
+       }
      }
      if(FLAG_IS_DEFAULT(AllocatePrefetchInstr) && supports_3dnow_prefetch()) {
        AllocatePrefetchInstr = 3;
      }
    }