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7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely

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Reviewed-by: never, bdelsart
This commit is contained in:
Christian Thalinger 2011-10-27 04:43:37 -07:00
parent 669fa7396d
commit 6d1f314a4b
7 changed files with 55 additions and 5 deletions
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15
hotspot/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp
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@ -766,7 +766,22 @@ OopMapSet* Runtime1::generate_code_for(StubID id, StubAssembler* sasm) {
__ ret();
__ delayed()->restore();
}
break;
case deoptimize_id:
{
__ set_info("deoptimize", dont_gc_arguments);
OopMap* oop_map = save_live_registers(sasm);
int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, deoptimize));
oop_maps = new OopMapSet();
oop_maps->add_gc_map(call_offset, oop_map);
restore_live_registers(sasm);
DeoptimizationBlob* deopt_blob = SharedRuntime::deopt_blob();
assert(deopt_blob != NULL, "deoptimization blob must have been created");
AddressLiteral dest(deopt_blob->unpack_with_reexecution());
__ jump_to(dest, O0);
__ delayed()->restore();
}
break;