1.1 --- a/src/cpu/ppc/vm/vm_version_ppc.cpp Mon Jul 23 18:08:46 2018 +0200
1.2 +++ b/src/cpu/ppc/vm/vm_version_ppc.cpp Mon Sep 24 17:18:38 2018 -0400
1.3 @@ -150,10 +150,12 @@
1.4
1.5 assert(AllocatePrefetchStyle >= 0, "AllocatePrefetchStyle should be positive");
1.6
1.7 - if (UseCRC32Intrinsics) {
1.8 - if (!FLAG_IS_DEFAULT(UseCRC32Intrinsics))
1.9 - warning("CRC32 intrinsics are not available on this CPU");
1.10 - FLAG_SET_DEFAULT(UseCRC32Intrinsics, false);
1.11 + // Implementation does not use any of the vector instructions
1.12 + // available with Power8. Their exploitation is still pending.
1.13 + if (!UseCRC32Intrinsics) {
1.14 + if (FLAG_IS_DEFAULT(UseCRC32Intrinsics)) {
1.15 + FLAG_SET_DEFAULT(UseCRC32Intrinsics, true);
1.16 + }
1.17 }
1.18
1.19 // The AES intrinsic stubs require AES instruction support.
