Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/lcm.cpp
src/share/vm/opto/lcm.cpp
- changeset 1586
- 1271af4ec18c
- parent 1572
- 97125851f396
- child 1907
- c18cbe5936b8
- child 1930
- 3657cb01ffc5
equal
deleted
inserted
replaced
| 1585:f62a22282a47 | 1586:1271af4ec18c |
|---|---|
| 118 case Op_LoadKlass: | 118 case Op_LoadKlass: |
| 119 case Op_LoadNKlass: | 119 case Op_LoadNKlass: |
| 120 case Op_LoadRange: | 120 case Op_LoadRange: |
| 121 case Op_LoadD_unaligned: | 121 case Op_LoadD_unaligned: |
| 122 case Op_LoadL_unaligned: | 122 case Op_LoadL_unaligned: |
| 123 assert(mach->in(2) == val, "should be address"); | |
| 123 break; | 124 break; |
| 124 case Op_StoreB: | 125 case Op_StoreB: |
| 125 case Op_StoreC: | 126 case Op_StoreC: |
| 126 case Op_StoreCM: | 127 case Op_StoreCM: |
| 127 case Op_StoreD: | 128 case Op_StoreD: |
| 144 // embedded loads | 145 // embedded loads |
| 145 continue; | 146 continue; |
| 146 default: // Also check for embedded loads | 147 default: // Also check for embedded loads |
| 147 if( !mach->needs_anti_dependence_check() ) | 148 if( !mach->needs_anti_dependence_check() ) |
| 148 continue; // Not an memory op; skip it | 149 continue; // Not an memory op; skip it |
| 150 { | |
| 151 // Check that value is used in memory address. | |
| 152 Node* base; | |
| 153 Node* index; | |
| 154 const MachOper* oper = mach->memory_inputs(base, index); | |
| 155 if (oper == NULL || oper == (MachOper*)-1) { | |
| 156 continue; // Not an memory op; skip it | |
| 157 } | |
| 158 if (val == base || | |
| 159 val == index && val->bottom_type()->isa_narrowoop()) { | |
| 160 break; // Found it | |
| 161 } else { | |
| 162 continue; // Skip it | |
| 163 } | |
| 164 } | |
| 149 break; | 165 break; |
| 150 } | 166 } |
| 151 // check if the offset is not too high for implicit exception | 167 // check if the offset is not too high for implicit exception |
| 152 { | 168 { |
| 153 intptr_t offset = 0; | 169 intptr_t offset = 0; |
