Mercurial > hg > truffle
diff src/cpu/x86/vm/cppInterpreter_x86.cpp @ 7458:4daebd4cc1dd
Merge
author | minqi |
---|---|
date | Mon, 24 Dec 2012 11:46:38 -0800 |
parents | fd74228fd5ca |
children | db9981fd3124 |
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line diff
--- a/src/cpu/x86/vm/cppInterpreter_x86.cpp Thu Dec 20 10:22:19 2012 +0100 +++ b/src/cpu/x86/vm/cppInterpreter_x86.cpp Mon Dec 24 11:46:38 2012 -0800 @@ -611,8 +611,6 @@ // C++ interpreter only // rsi/r13 - previous interpreter state pointer - const Address size_of_parameters(rbx, Method::size_of_parameters_offset()); - // InterpreterRuntime::frequency_counter_overflow takes one argument // indicating if the counter overflow occurs at a backwards branch (non-NULL bcp). // The call returns the address of the verified entry point for the method or NULL @@ -977,15 +975,16 @@ // to save/restore. address entry_point = __ pc(); - const Address size_of_parameters(rbx, Method::size_of_parameters_offset()); - const Address size_of_locals (rbx, Method::size_of_locals_offset()); + const Address constMethod (rbx, Method::const_offset()); const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset()); const Address access_flags (rbx, Method::access_flags_offset()); + const Address size_of_parameters(rcx, ConstMethod::size_of_parameters_offset()); // rsi/r13 == state/locals rdi == prevstate const Register locals = rdi; // get parameter size (always needed) + __ movptr(rcx, constMethod); __ load_unsigned_short(rcx, size_of_parameters); // rbx: Method* @@ -994,6 +993,7 @@ // for natives the size of locals is zero // compute beginning of parameters /locals + __ lea(locals, Address(rsp, rcx, Address::times_ptr, -wordSize)); // initialize fixed part of activation frame @@ -1107,11 +1107,14 @@ const Register method = rbx; const Register thread = LP64_ONLY(r15_thread) NOT_LP64(rdi); const Register t = InterpreterRuntime::SignatureHandlerGenerator::temp(); // rcx|rscratch1 + const Address constMethod (method, Method::const_offset()); + const Address size_of_parameters(t, ConstMethod::size_of_parameters_offset()); // allocate space for parameters __ movptr(method, STATE(_method)); __ verify_method_ptr(method); - __ load_unsigned_short(t, Address(method, Method::size_of_parameters_offset())); + __ movptr(t, constMethod); + __ load_unsigned_short(t, size_of_parameters); __ shll(t, 2); #ifdef _LP64 __ subptr(rsp, t); @@ -1700,15 +1703,17 @@ // save sender sp __ push(rcx); - const Address size_of_parameters(rbx, Method::size_of_parameters_offset()); - const Address size_of_locals (rbx, Method::size_of_locals_offset()); + const Address constMethod (rbx, Method::const_offset()); const Address access_flags (rbx, Method::access_flags_offset()); + const Address size_of_parameters(rdx, ConstMethod::size_of_parameters_offset()); + const Address size_of_locals (rdx, ConstMethod::size_of_locals_offset()); // const Address monitor_block_top (rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize); // const Address monitor_block_bot (rbp, frame::interpreter_frame_initial_sp_offset * wordSize); // const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset * wordSize - (int)sizeof(BasicObjectLock)); // get parameter size (always needed) + __ movptr(rdx, constMethod); __ load_unsigned_short(rcx, size_of_parameters); // rbx: Method* @@ -1989,7 +1994,9 @@ __ movptr(rbx, STATE(_result._to_call._callee)); // callee left args on top of expression stack, remove them - __ load_unsigned_short(rcx, Address(rbx, Method::size_of_parameters_offset())); + __ movptr(rcx, constMethod); + __ load_unsigned_short(rcx, Address(rcx, ConstMethod::size_of_parameters_offset())); + __ lea(rsp, Address(rsp, rcx, Address::times_ptr)); __ movl(rcx, Address(rbx, Method::result_index_offset())); @@ -2159,7 +2166,9 @@ // Make it look like call_stub calling conventions // Get (potential) receiver - __ load_unsigned_short(rcx, size_of_parameters); // get size of parameters in words + // get size of parameters in words + __ movptr(rcx, constMethod); + __ load_unsigned_short(rcx, Address(rcx, ConstMethod::size_of_parameters_offset())); ExternalAddress recursive(CAST_FROM_FN_PTR(address, RecursiveInterpreterActivation)); __ pushptr(recursive.addr()); // make it look good in the debugger