hotspot/src/cpu/ppc/vm/globalDefinitions_ppc.hpp
author twisti
Fri, 18 Dec 2015 12:39:02 -0800
changeset 35135 dd2ce9021031
parent 35112 b3c4347bb751
parent 35063 cb24277be2e7
child 35232 76aed99c0ddd
permissions -rw-r--r--
Merge

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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#ifndef CPU_PPC_VM_GLOBALDEFINITIONS_PPC_HPP
#define CPU_PPC_VM_GLOBALDEFINITIONS_PPC_HPP

// Size of PPC Instructions
const int BytesPerInstWord = 4;

const int StackAlignmentInBytes = 16;

// Indicates whether the C calling conventions require that
// 32-bit integer argument values are extended to 64 bits.
const bool CCallingConventionRequiresIntsAsLongs = true;

#define SUPPORTS_NATIVE_CX8

// The PPC CPUs are NOT multiple-copy-atomic.
#define CPU_NOT_MULTIPLE_COPY_ATOMIC

// The expected size in bytes of a cache line, used to pad data structures.
#define DEFAULT_CACHE_LINE_SIZE 128

#if defined(COMPILER2) && defined(AIX)
// Include Transactional Memory lock eliding optimization
#define INCLUDE_RTM_OPT 1
#endif

#endif // CPU_PPC_VM_GLOBALDEFINITIONS_PPC_HPP