1.1 --- a/src/cpu/x86/vm/vm_version_x86.cpp Tue Jan 22 15:34:16 2013 -0800
1.2 +++ b/src/cpu/x86/vm/vm_version_x86.cpp Wed Jan 23 15:11:03 2013 -0800
1.3 @@ -661,6 +661,14 @@
1.4 }
1.5 }
1.6 }
1.7 +#if defined(COMPILER2) && defined(_ALLBSD_SOURCE)
1.8 + if (MaxVectorSize > 16) {
1.9 + // Limit vectors size to 16 bytes on BSD until it fixes
1.10 + // restoring upper 128bit of YMM registers on return
1.11 + // from signal handler.
1.12 + FLAG_SET_DEFAULT(MaxVectorSize, 16);
1.13 + }
1.14 +#endif // COMPILER2
1.15
1.16 // Use population count instruction if available.
1.17 if (supports_popcnt()) {
