Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/asm/assembler.hpp
src/share/vm/asm/assembler.hpp
- changeset 3395
- 40c2484c09e1
- parent 3310
- 6729bbc1fcd6
- child 3969
- 1d7922586cf6
equal
deleted
inserted
replaced
| 3394:b642b49f9738 | 3395:40c2484c09e1 |
|---|---|
| 239 friend class InstructionMark; | 239 friend class InstructionMark; |
| 240 #ifdef ASSERT | 240 #ifdef ASSERT |
| 241 // Make it return true on platforms which need to verify | 241 // Make it return true on platforms which need to verify |
| 242 // instruction boundaries for some operations. | 242 // instruction boundaries for some operations. |
| 243 inline static bool pd_check_instruction_mark(); | 243 inline static bool pd_check_instruction_mark(); |
| 244 | |
| 245 // Add delta to short branch distance to verify that it still fit into imm8. | |
| 246 int _short_branch_delta; | |
| 247 | |
| 248 int short_branch_delta() const { return _short_branch_delta; } | |
| 249 void set_short_branch_delta() { _short_branch_delta = 32; } | |
| 250 void clear_short_branch_delta() { _short_branch_delta = 0; } | |
| 251 | |
| 252 class ShortBranchVerifier: public StackObj { | |
| 253 private: | |
| 254 AbstractAssembler* _assm; | |
| 255 | |
| 256 public: | |
| 257 ShortBranchVerifier(AbstractAssembler* assm) : _assm(assm) { | |
| 258 assert(assm->short_branch_delta() == 0, "overlapping instructions"); | |
| 259 _assm->set_short_branch_delta(); | |
| 260 } | |
| 261 ~ShortBranchVerifier() { | |
| 262 _assm->clear_short_branch_delta(); | |
| 263 } | |
| 264 }; | |
| 265 #else | |
| 266 // Dummy in product. | |
| 267 class ShortBranchVerifier: public StackObj { | |
| 268 public: | |
| 269 ShortBranchVerifier(AbstractAssembler* assm) {} | |
| 270 }; | |
| 244 #endif | 271 #endif |
| 245 | 272 |
| 246 // Label functions | 273 // Label functions |
| 247 void print(Label& L); | 274 void print(Label& L); |
| 248 | 275 |
