1.1 --- a/src/cpu/ppc/vm/vm_version_ppc.cpp Thu Dec 11 18:53:50 2014 -0500
1.2 +++ b/src/cpu/ppc/vm/vm_version_ppc.cpp Fri Dec 12 08:48:56 2014 +0100
1.3 @@ -139,13 +139,44 @@
1.4 }
1.5
1.6 assert(AllocatePrefetchLines > 0, "invalid value");
1.7 - if (AllocatePrefetchLines < 1) // Set valid value in product VM.
1.8 + if (AllocatePrefetchLines < 1) { // Set valid value in product VM.
1.9 AllocatePrefetchLines = 1; // Conservative value.
1.10 + }
1.11
1.12 - if (AllocatePrefetchStyle == 3 && AllocatePrefetchDistance < cache_line_size)
1.13 + if (AllocatePrefetchStyle == 3 && AllocatePrefetchDistance < cache_line_size) {
1.14 AllocatePrefetchStyle = 1; // Fall back if inappropriate.
1.15 + }
1.16
1.17 assert(AllocatePrefetchStyle >= 0, "AllocatePrefetchStyle should be positive");
1.18 +
1.19 + if (UseCRC32Intrinsics) {
1.20 + if (!FLAG_IS_DEFAULT(UseCRC32Intrinsics))
1.21 + warning("CRC32 intrinsics are not available on this CPU");
1.22 + FLAG_SET_DEFAULT(UseCRC32Intrinsics, false);
1.23 + }
1.24 +
1.25 + // The AES intrinsic stubs require AES instruction support.
1.26 + if (UseAES) {
1.27 + warning("AES instructions are not available on this CPU");
1.28 + FLAG_SET_DEFAULT(UseAES, false);
1.29 + }
1.30 + if (UseAESIntrinsics) {
1.31 + if (!FLAG_IS_DEFAULT(UseAESIntrinsics))
1.32 + warning("AES intrinsics are not available on this CPU");
1.33 + FLAG_SET_DEFAULT(UseAESIntrinsics, false);
1.34 + }
1.35 +
1.36 + if (UseSHA) {
1.37 + warning("SHA instructions are not available on this CPU");
1.38 + FLAG_SET_DEFAULT(UseSHA, false);
1.39 + }
1.40 + if (UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics) {
1.41 + warning("SHA intrinsics are not available on this CPU");
1.42 + FLAG_SET_DEFAULT(UseSHA1Intrinsics, false);
1.43 + FLAG_SET_DEFAULT(UseSHA256Intrinsics, false);
1.44 + FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
1.45 + }
1.46 +
1.47 }
1.48
1.49 void VM_Version::print_features() {
