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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * 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_GLOBALDEFINITIONS_PPC_HPP

#define CPU_PPC_GLOBALDEFINITIONS_PPC_HPP

#ifdef CC_INTERP

#error "CC_INTERP is no longer supported. Removed in change 8145117."

#endif

// 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) || defined(LINUX))

// Include Transactional Memory lock eliding optimization

#define INCLUDE_RTM_OPT 1

#endif

#define SUPPORT_RESERVED_STACK_AREA

#define THREAD_LOCAL_POLL

// If UseSIGTRAP is active, we only use the poll bit and no polling page.

// Otherwise, we fall back to usage of the polling page in nmethods.

// Define the condition to use this -XX flag.

#define USE_POLL_BIT_ONLY UseSIGTRAP

#endif // CPU_PPC_GLOBALDEFINITIONS_PPC_HPP