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diff src/share/vm/runtime/reflection.cpp @ 6176:634b8615a6ba

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7177409: Perf regression in JVM_GetClassDeclaredFields after generic signature changes. Summary: In fieldDescriptor::generic_signature() returns NULL immediately if the field has no generic signature. Reviewed-by: dholmes, coleenp, jcoomes
author jiangli
date Fri, 22 Jun 2012 14:00:39 -0400
parents f7c4174b33ba
children 1d7922586cf6
line wrap: on
line diff
--- a/src/share/vm/runtime/reflection.cpp	Tue Jun 19 21:16:20 2012 -0700
+++ b/src/share/vm/runtime/reflection.cpp	Fri Jun 22 14:00:39 2012 -0400
@@ -829,7 +829,7 @@
   java_lang_reflect_Field::set_modifiers(rh(), fd->access_flags().as_int() & JVM_RECOGNIZED_FIELD_MODIFIERS);
   java_lang_reflect_Field::set_override(rh(), false);
   if (java_lang_reflect_Field::has_signature_field() &&
-      fd->generic_signature() != NULL) {
+      fd->has_generic_signature()) {
     Symbol*  gs = fd->generic_signature();
     Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL);
     java_lang_reflect_Field::set_signature(rh(), sig());