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diff src/cpu/x86/vm/interp_masm_x86_64.cpp @ 967:6918603297f7

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6858208: jvm crash when specifying TypeProfileWidth=0 on jdk 6.0 Summary: Add an explicit check for TypeProfileWidth == 0 in record_klass_in_profile_helper() functions. Reviewed-by: never, coleenp
author poonam
date Tue, 01 Sep 2009 23:34:08 -0700
parents 3f06f139ef53
children 85f13cdfbc1d
line wrap: on
line diff
--- a/src/cpu/x86/vm/interp_masm_x86_64.cpp	Sun Aug 30 15:33:14 2009 -0700
+++ b/src/cpu/x86/vm/interp_masm_x86_64.cpp	Tue Sep 01 23:34:08 2009 -0700
@@ -1272,6 +1272,9 @@
                                         Register receiver, Register mdp,
                                         Register reg2,
                                         int start_row, Label& done) {
+  if (TypeProfileWidth == 0)
+    return;
+
   int last_row = VirtualCallData::row_limit() - 1;
   assert(start_row <= last_row, "must be work left to do");
   // Test this row for both the receiver and for null.