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comparison src/share/vm/ci/ciField.hpp @ 12190:edb5ab0f3fe5

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8001107: @Stable annotation for constant folding of lazily evaluated variables Reviewed-by: rbackman, twisti, kvn Contributed-by: john.r.rose@oracle.com, vladimir.x.ivanov@oracle.com
author vlivanov
date Tue, 10 Sep 2013 14:51:48 -0700
parents e778c29768e6
children b2e698d2276c
comparison
equal deleted inserted replaced
12188:cd16d587b0fa 12190:edb5ab0f3fe5
137 // in question is allocated in perm space. 137 // in question is allocated in perm space.
138 // 4. The field is not one of the special static/final 138 // 4. The field is not one of the special static/final
139 // non-constant fields. These are java.lang.System.in 139 // non-constant fields. These are java.lang.System.in
140 // and java.lang.System.out. Abomination. 140 // and java.lang.System.out. Abomination.
141 // 141 //
142 // Note: the check for case 4 is not yet implemented. 142 // A field is also considered constant if it is marked @Stable
143 // and is non-null (or non-zero, if a primitive).
144 // For non-static fields, the null/zero check must be
145 // arranged by the user, as constant_value().is_null_or_zero().
143 bool is_constant() { return _is_constant; } 146 bool is_constant() { return _is_constant; }
144 147
145 // Get the constant value of this field. 148 // Get the constant value of this field.
146 ciConstant constant_value() { 149 ciConstant constant_value() {
147 assert(is_static() && is_constant(), "illegal call to constant_value()"); 150 assert(is_static() && is_constant(), "illegal call to constant_value()");
171 bool is_public () { return flags().is_public(); } 174 bool is_public () { return flags().is_public(); }
172 bool is_private () { return flags().is_private(); } 175 bool is_private () { return flags().is_private(); }
173 bool is_protected () { return flags().is_protected(); } 176 bool is_protected () { return flags().is_protected(); }
174 bool is_static () { return flags().is_static(); } 177 bool is_static () { return flags().is_static(); }
175 bool is_final () { return flags().is_final(); } 178 bool is_final () { return flags().is_final(); }
179 bool is_stable () { return flags().is_stable(); }
176 bool is_volatile () { return flags().is_volatile(); } 180 bool is_volatile () { return flags().is_volatile(); }
177 bool is_transient () { return flags().is_transient(); } 181 bool is_transient () { return flags().is_transient(); }
178 182
179 bool is_call_site_target() { 183 bool is_call_site_target() {
180 ciInstanceKlass* callsite_klass = CURRENT_ENV->CallSite_klass(); 184 ciInstanceKlass* callsite_klass = CURRENT_ENV->CallSite_klass();