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6930772: JSR 292 needs to support SPARC C1

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C1 for SPARC needs to support JSR 292.

Reviewed-by: never, jrose
This commit is contained in:
Christian Thalinger 2010-05-21 02:59:24 -07:00
parent c9f2ba541b
commit 2e24ba80e9
28 changed files with 164 additions and 137 deletions
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11
hotspot/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp
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@ -679,8 +679,15 @@ OopMapSet* Runtime1::generate_code_for(StubID id, StubAssembler* sasm) {
__ call_VM_leaf(L7_thread_cache, CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address),
G2_thread, Oissuing_pc->after_save());
__ verify_not_null_oop(Oexception->after_save());
__ jmp(O0, 0);
__ delayed()->restore();
// Restore SP from L7 if the exception PC is a MethodHandle call site.
__ mov(O0, G5); // Save the target address.
__ lduw(Address(G2_thread, JavaThread::is_method_handle_return_offset()), L0);
__ tst(L0); // Condition codes are preserved over the restore.
__ restore();
__ jmp(G5, 0);
__ delayed()->movcc(Assembler::notZero, false, Assembler::icc, L7_mh_SP_save, SP); // Restore SP if required.
}
break;