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8031401: Remove unused code in the reference processor

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Assume pending_list uses discovered field and remove resulting dead code.

Reviewed-by: brutisso, pliden
This commit is contained in:
Kim Barrett 2015-04-23 11:26:32 -04:00
parent 7d01ef4a6e
commit 878cf5e641
8 changed files with 78 additions and 204 deletions
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18
hotspot/src/share/vm/runtime/java.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -91,7 +91,6 @@ class JDK_Version VALUE_OBJ_CLASS_SPEC {
bool _partially_initialized;
bool _thread_park_blocker;
bool _pending_list_uses_discovered_field;
bool _post_vm_init_hook_enabled;
bool is_valid() const {
@ -114,18 +113,17 @@ class JDK_Version VALUE_OBJ_CLASS_SPEC {
JDK_Version() : _major(0), _minor(0), _micro(0), _update(0),
_special(0), _build(0), _partially_initialized(false),
_thread_park_blocker(false), _post_vm_init_hook_enabled(false),
_pending_list_uses_discovered_field(false) {}
_thread_park_blocker(false), _post_vm_init_hook_enabled(false)
{}
JDK_Version(uint8_t major, uint8_t minor = 0, uint8_t micro = 0,
uint8_t update = 0, uint8_t special = 0, uint8_t build = 0,
bool thread_park_blocker = false, bool post_vm_init_hook_enabled = false,
bool pending_list_uses_discovered_field = false) :
bool thread_park_blocker = false, bool post_vm_init_hook_enabled = false) :
_major(major), _minor(minor), _micro(micro), _update(update),
_special(special), _build(build), _partially_initialized(false),
_thread_park_blocker(thread_park_blocker),
_post_vm_init_hook_enabled(post_vm_init_hook_enabled),
_pending_list_uses_discovered_field(pending_list_uses_discovered_field) {}
_post_vm_init_hook_enabled(post_vm_init_hook_enabled)
{}
// Returns the current running JDK version
static JDK_Version current() { return _current; }
@ -152,10 +150,6 @@ class JDK_Version VALUE_OBJ_CLASS_SPEC {
bool post_vm_init_hook_enabled() const {
return _post_vm_init_hook_enabled;
}
// For compatibility wrt pre-4965777 JDK's
bool pending_list_uses_discovered_field() const {
return _pending_list_uses_discovered_field;
}
// Performs a full ordering comparison using all fields (update, build, etc.)
int compare(const JDK_Version& other) const;