Mercurial > hg > graal-compiler
comparison src/share/vm/c1/c1_LIRAssembler.cpp @ 900:9987d9d5eb0e
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens
Reviewed-by: kvn, never, jrose, twisti
| author | cfang |
|---|---|
| date | Fri, 31 Jul 2009 17:12:33 -0700 |
| parents | eb28cf662f56 |
| children | 89e0543e1737 |
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| 899:55cb84cd1247 | 900:9987d9d5eb0e |
|---|---|
| 377 for (int n = 0; ; n++) { | 377 for (int n = 0; ; n++) { |
| 378 int s_bci = bci; | 378 int s_bci = bci; |
| 379 ValueStack* s = nth_oldest(vstack, n, s_bci); | 379 ValueStack* s = nth_oldest(vstack, n, s_bci); |
| 380 if (s == NULL) break; | 380 if (s == NULL) break; |
| 381 IRScope* scope = s->scope(); | 381 IRScope* scope = s->scope(); |
| 382 debug_info->describe_scope(pc_offset, scope->method(), s_bci); | 382 //Always pass false for reexecute since these ScopeDescs are never used for deopt |
| 383 debug_info->describe_scope(pc_offset, scope->method(), s_bci, false/*reexecute*/); | |
| 383 } | 384 } |
| 384 | 385 |
| 385 debug_info->end_non_safepoint(pc_offset); | 386 debug_info->end_non_safepoint(pc_offset); |
| 386 } | 387 } |
| 387 | 388 |