Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/c1/c1_ValueMap.hpp
src/share/vm/c1/c1_ValueMap.hpp
- changeset 3835
- 4d8787136e08
- parent 3592
- 701a83c86f28
- child 3969
- 1d7922586cf6
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| 3834:8f6ce6f1049b | 3835:4d8787136e08 |
|---|---|
| 139 virtual void kill_field(ciField* field) = 0; | 139 virtual void kill_field(ciField* field) = 0; |
| 140 virtual void kill_array(ValueType* type) = 0; | 140 virtual void kill_array(ValueType* type) = 0; |
| 141 | 141 |
| 142 // visitor functions | 142 // visitor functions |
| 143 void do_StoreField (StoreField* x) { | 143 void do_StoreField (StoreField* x) { |
| 144 if (x->is_init_point()) { | 144 if (x->is_init_point() || // putstatic is an initialization point so treat it as a wide kill |
| 145 // putstatic is an initialization point so treat it as a wide kill | 145 // This is actually too strict and the JMM doesn't require |
| 146 // this in all cases (e.g. load a; volatile store b; load a) | |
| 147 // but possible future optimizations might require this. | |
| 148 x->field()->is_volatile()) { | |
| 146 kill_memory(); | 149 kill_memory(); |
| 147 } else { | 150 } else { |
| 148 kill_field(x->field()); | 151 kill_field(x->field()); |
| 149 } | 152 } |
| 150 } | 153 } |
| 158 | 161 |
| 159 void do_Phi (Phi* x) { /* nothing to do */ } | 162 void do_Phi (Phi* x) { /* nothing to do */ } |
| 160 void do_Local (Local* x) { /* nothing to do */ } | 163 void do_Local (Local* x) { /* nothing to do */ } |
| 161 void do_Constant (Constant* x) { /* nothing to do */ } | 164 void do_Constant (Constant* x) { /* nothing to do */ } |
| 162 void do_LoadField (LoadField* x) { | 165 void do_LoadField (LoadField* x) { |
| 163 if (x->is_init_point()) { | 166 if (x->is_init_point() || // getstatic is an initialization point so treat it as a wide kill |
| 164 // getstatic is an initialization point so treat it as a wide kill | 167 x->field()->is_volatile()) { // the JMM requires this |
| 165 kill_memory(); | 168 kill_memory(); |
| 166 } | 169 } |
| 167 } | 170 } |
| 168 void do_ArrayLength (ArrayLength* x) { /* nothing to do */ } | 171 void do_ArrayLength (ArrayLength* x) { /* nothing to do */ } |
| 169 void do_LoadIndexed (LoadIndexed* x) { /* nothing to do */ } | 172 void do_LoadIndexed (LoadIndexed* x) { /* nothing to do */ } |
