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diff src/cpu/x86/vm/templateInterpreter_x86_32.cpp @ 8873:e961c11b85fe

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8011102: Clear AVX registers after return from JNI call Summary: Execute vzeroupper instruction after JNI call and on exits in jit compiled code which use 256bit vectors. Reviewed-by: roland
author kvn
date Wed, 03 Apr 2013 11:12:57 -0700
parents 0094485b46c7
children aeaca88565e6
line wrap: on
line diff
--- a/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Tue Apr 02 09:30:07 2013 +0200
+++ b/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Wed Apr 03 11:12:57 2013 -0700
@@ -1080,22 +1080,8 @@
 
   // result potentially in rdx:rax or ST0
 
-  // Either restore the MXCSR register after returning from the JNI Call
-  // or verify that it wasn't changed.
-  if (VM_Version::supports_sse()) {
-    if (RestoreMXCSROnJNICalls) {
-      __ ldmxcsr(ExternalAddress(StubRoutines::addr_mxcsr_std()));
-    }
-    else if (CheckJNICalls ) {
-      __ call(RuntimeAddress(StubRoutines::x86::verify_mxcsr_entry()));
-    }
-  }
-
-  // Either restore the x87 floating pointer control word after returning
-  // from the JNI call or verify that it wasn't changed.
-  if (CheckJNICalls) {
-    __ call(RuntimeAddress(StubRoutines::x86::verify_fpu_cntrl_wrd_entry()));
-  }
+  // Verify or restore cpu control state after JNI call
+  __ restore_cpu_control_state_after_jni();
 
   // save potential result in ST(0) & rdx:rax
   // (if result handler is the T_FLOAT or T_DOUBLE handler, result must be in ST0 -