Mercurial > hg > truffle
diff src/cpu/ppc/vm/macroAssembler_ppc.hpp @ 17804:fd1b9f02cc91
8036976: PPC64: implement the template interpreter
Reviewed-by: kvn, coleenp
Contributed-by: axel.siebenborn@sap.com, martin.doerr@sap.com
author | goetz |
---|---|
date | Mon, 10 Mar 2014 12:58:02 +0100 |
parents | 31e80afe3fed |
children | 92aa6797d639 71a71b0bc844 |
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--- a/src/cpu/ppc/vm/macroAssembler_ppc.hpp Thu Mar 06 10:55:28 2014 -0800 +++ b/src/cpu/ppc/vm/macroAssembler_ppc.hpp Mon Mar 10 12:58:02 2014 +0100 @@ -1,6 +1,6 @@ /* * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. - * Copyright 2012, 2013 SAP AG. All rights reserved. + * Copyright 2012, 2014 SAP AG. 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 @@ -566,12 +566,14 @@ // Load heap oop and decompress. Loaded oop may not be null. inline void load_heap_oop_not_null(Register d, RegisterOrConstant offs, Register s1 = noreg); + inline void store_heap_oop_not_null(Register d, RegisterOrConstant offs, Register s1, + /*specify if d must stay uncompressed*/ Register tmp = noreg); // Null allowed. inline void load_heap_oop(Register d, RegisterOrConstant offs, Register s1 = noreg); // Encode/decode heap oop. Oop may not be null, else en/decoding goes wrong. - inline void encode_heap_oop_not_null(Register d); + inline Register encode_heap_oop_not_null(Register d, Register src = noreg); inline void decode_heap_oop_not_null(Register d); // Null allowed. @@ -581,6 +583,7 @@ void load_klass(Register dst, Register src); void load_klass_with_trap_null_check(Register dst, Register src); void store_klass(Register dst_oop, Register klass, Register tmp = R0); + void store_klass_gap(Register dst_oop, Register val = noreg); // Will store 0 if val not specified. static int instr_size_for_decode_klass_not_null(); void decode_klass_not_null(Register dst, Register src = noreg); void encode_klass_not_null(Register dst, Register src = noreg); @@ -693,4 +696,21 @@ void zap_from_to(Register low, int before, Register high, int after, Register val, Register addr) PRODUCT_RETURN; }; +// class SkipIfEqualZero: +// +// Instantiating this class will result in assembly code being output that will +// jump around any code emitted between the creation of the instance and it's +// automatic destruction at the end of a scope block, depending on the value of +// the flag passed to the constructor, which will be checked at run-time. +class SkipIfEqualZero : public StackObj { + private: + MacroAssembler* _masm; + Label _label; + + public: + // 'Temp' is a temp register that this object can use (and trash). + explicit SkipIfEqualZero(MacroAssembler*, Register temp, const bool* flag_addr); + ~SkipIfEqualZero(); +}; + #endif // CPU_PPC_VM_MACROASSEMBLER_PPC_HPP