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src/cpu/x86/vm/vm_version_x86.cpp

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*** 652,661 **** --- 652,675 ---- 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 **** --- 1205,1217 ---- 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; } }
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