Mercurial > hg > truffle
diff src/cpu/x86/vm/vm_version_x86.cpp @ 7638:522c328b8b77
8003878: compiler/7196199 test failed on OS X since 8b54, jdk7u12b01
Summary: Limit vectors size to 16 bytes on BSD until the problem is fixed
Reviewed-by: twisti
author | kvn |
---|---|
date | Wed, 23 Jan 2013 15:11:03 -0800 |
parents | 92d4b5d8dde4 |
children | 3ac7d10a6572 b800986664f4 |
line wrap: on
line diff
--- a/src/cpu/x86/vm/vm_version_x86.cpp Tue Jan 22 15:34:16 2013 -0800 +++ b/src/cpu/x86/vm/vm_version_x86.cpp Wed Jan 23 15:11:03 2013 -0800 @@ -661,6 +661,14 @@ } } } +#if defined(COMPILER2) && defined(_ALLBSD_SOURCE) + if (MaxVectorSize > 16) { + // Limit vectors size to 16 bytes on BSD until it fixes + // restoring upper 128bit of YMM registers on return + // from signal handler. + FLAG_SET_DEFAULT(MaxVectorSize, 16); + } +#endif // COMPILER2 // Use population count instruction if available. if (supports_popcnt()) {