From 35c7a714979fcd5043eefff19be82146998caff4 Mon Sep 17 00:00:00 2001
From: kvn <unknown>
Date: Wed, 23 Jan 2013 15:11:03 -0800
Subject: [PATCH] 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

---
 src/cpu/x86/vm/vm_version_x86.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/cpu/x86/vm/vm_version_x86.cpp b/src/cpu/x86/vm/vm_version_x86.cpp
index 01d99c372..90066c104 100644
--- a/src/cpu/x86/vm/vm_version_x86.cpp
+++ b/src/cpu/x86/vm/vm_version_x86.cpp
@@ -661,6 +661,14 @@ void VM_Version::get_processor_features() {
       }
     }
   }
+#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()) {
-- 
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