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src/cpu/x86/vm/vm_version_x86.cpp

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 769     }
 770   }
 771   else if (UseCRC32CIntrinsics) {
 772     if (!FLAG_IS_DEFAULT(UseCRC32CIntrinsics)) {
 773       warning("CRC32C intrinsics are not available on this CPU");
 774     }
 775     FLAG_SET_DEFAULT(UseCRC32CIntrinsics, false);
 776   }
 777 
 778   // GHASH/GCM intrinsics
 779   if (UseCLMUL && (UseSSE > 2)) {
 780     if (FLAG_IS_DEFAULT(UseGHASHIntrinsics)) {
 781       UseGHASHIntrinsics = true;
 782     }
 783   } else if (UseGHASHIntrinsics) {
 784     if (!FLAG_IS_DEFAULT(UseGHASHIntrinsics))
 785       warning("GHASH intrinsic requires CLMUL and SSE2 instructions on this CPU");
 786     FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
 787   }
 788 
 789   if (supports_fma() && UseSSE >= 2) {
 790     if (FLAG_IS_DEFAULT(UseFMA)) {
 791       UseFMA = true;
 792     }
 793   } else if (UseFMA) {
 794     warning("FMA instructions are not available on this CPU");
 795     FLAG_SET_DEFAULT(UseFMA, false);
 796   }
 797 
 798   if (supports_sha() LP64_ONLY(|| supports_avx2() && supports_bmi2())) {
 799     if (FLAG_IS_DEFAULT(UseSHA)) {
 800       UseSHA = true;
 801     }
 802   } else if (UseSHA) {
 803     warning("SHA instructions are not available on this CPU");
 804     FLAG_SET_DEFAULT(UseSHA, false);
 805   }
 806 
 807   if (supports_sha() && UseSHA) {
 808     if (FLAG_IS_DEFAULT(UseSHA1Intrinsics)) {
 809       FLAG_SET_DEFAULT(UseSHA1Intrinsics, true);




 769     }
 770   }
 771   else if (UseCRC32CIntrinsics) {
 772     if (!FLAG_IS_DEFAULT(UseCRC32CIntrinsics)) {
 773       warning("CRC32C intrinsics are not available on this CPU");
 774     }
 775     FLAG_SET_DEFAULT(UseCRC32CIntrinsics, false);
 776   }
 777 
 778   // GHASH/GCM intrinsics
 779   if (UseCLMUL && (UseSSE > 2)) {
 780     if (FLAG_IS_DEFAULT(UseGHASHIntrinsics)) {
 781       UseGHASHIntrinsics = true;
 782     }
 783   } else if (UseGHASHIntrinsics) {
 784     if (!FLAG_IS_DEFAULT(UseGHASHIntrinsics))
 785       warning("GHASH intrinsic requires CLMUL and SSE2 instructions on this CPU");
 786     FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
 787   }
 788 
 789   if (supports_fma()) {
 790     if (FLAG_IS_DEFAULT(UseFMA)) {
 791       UseFMA = true;
 792     }
 793   } else if (UseFMA) {
 794     warning("FMA instructions are not available on this CPU");
 795     FLAG_SET_DEFAULT(UseFMA, false);
 796   }
 797 
 798   if (supports_sha() LP64_ONLY(|| supports_avx2() && supports_bmi2())) {
 799     if (FLAG_IS_DEFAULT(UseSHA)) {
 800       UseSHA = true;
 801     }
 802   } else if (UseSHA) {
 803     warning("SHA instructions are not available on this CPU");
 804     FLAG_SET_DEFAULT(UseSHA, false);
 805   }
 806 
 807   if (supports_sha() && UseSHA) {
 808     if (FLAG_IS_DEFAULT(UseSHA1Intrinsics)) {
 809       FLAG_SET_DEFAULT(UseSHA1Intrinsics, true);


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