Mercurial > hg > graal-compiler
diff src/cpu/x86/vm/interp_masm_x86_32.cpp @ 10105:aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
Summary: Allocate the method's profiling related metadata until they are needed.
Reviewed-by: coleenp, roland
| author | jiangli |
|---|---|
| date | Tue, 09 Apr 2013 17:17:41 -0400 |
| parents | f34d701e952e |
| children | d13d7aba8c12 |
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--- a/src/cpu/x86/vm/interp_masm_x86_32.cpp Thu Apr 04 21:15:43 2013 -0700 +++ b/src/cpu/x86/vm/interp_masm_x86_32.cpp Tue Apr 09 17:17:41 2013 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -266,6 +266,20 @@ addptr(cache, tmp); // construct pointer to cache entry } +void InterpreterMacroAssembler::get_method_counters(Register method, + Register mcs, Label& skip) { + Label has_counters; + movptr(mcs, Address(method, Method::method_counters_offset())); + testptr(mcs, mcs); + jcc(Assembler::notZero, has_counters); + call_VM(noreg, CAST_FROM_FN_PTR(address, + InterpreterRuntime::build_method_counters), method); + movptr(mcs, Address(method,Method::method_counters_offset())); + testptr(mcs, mcs); + jcc(Assembler::zero, skip); // No MethodCounters allocated, OutOfMemory + bind(has_counters); +} + // Load object from cpool->resolved_references(index) void InterpreterMacroAssembler::load_resolved_reference_at_index( Register result, Register index) {