archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 14:54:52 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7177409: Perf regression in JVM_GetClassDeclaredFields after generic signature changes

Browse source 
In fieldDescriptor::generic_signature() returns NULL immediately if the field has no generic signature.

Reviewed-by: dholmes, coleenp, jcoomes
This commit is contained in:
Jiangli Zhou 2012-06-22 14:00:39 -04:00
parent 8b20e7af53
commit 1a35ed23d9
3 changed files with 6 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
hotspot/src/share/vm/runtime/reflection.cpp
View file

@ -829,7 +829,7 @@ oop Reflection::new_field(fieldDescriptor* fd, bool intern_name, TRAPS) {
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());