changeset 8873 | d3031147b912 |
parent 8677 | 45d01baba334 |
child 8921 | 14bfe81f2a9d |
--- a/hotspot/src/cpu/x86/vm/vm_version_x86.cpp Mon Mar 28 03:58:07 2011 -0700 +++ b/hotspot/src/cpu/x86/vm/vm_version_x86.cpp Tue Mar 29 09:11:51 2011 -0700 @@ -429,6 +429,11 @@ UseXmmI2D = false; } } + if( FLAG_IS_DEFAULT(UseSSE42Intrinsics) ) { + if( supports_sse4_2() && UseSSE >= 4 ) { + UseSSE42Intrinsics = true; + } + } // Use count leading zeros count instruction if available. if (supports_lzcnt()) {