/*

 * Copyright (c) 1999, 2014, 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

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * 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).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

#ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP

#define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP

// Size of Sparc Instructions

const int BytesPerInstWord = 4;

const int StackAlignmentInBytes = (2*wordSize);

// Indicates whether the C calling conventions require that

// 32-bit integer argument values are properly extended to 64 bits.

// If set, SharedRuntime::c_calling_convention() must adapt

// signatures accordingly.

const bool CCallingConventionRequiresIntsAsLongs = false;

#define SUPPORTS_NATIVE_CX8

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

#if defined(TIERED)

  #ifdef _LP64

    // tiered, 64-bit, large machine

    #define DEFAULT_CACHE_LINE_SIZE 128

  #else

    // tiered, 32-bit, medium machine

    #define DEFAULT_CACHE_LINE_SIZE 64

  #endif

#elif defined(COMPILER1)

  // pure C1, 32-bit, small machine

  #define DEFAULT_CACHE_LINE_SIZE 16

#elif defined(COMPILER2) || defined(SHARK)

  #ifdef _LP64

    // pure C2, 64-bit, large machine

    #define DEFAULT_CACHE_LINE_SIZE 128

  #else

    // pure C2, 32-bit, medium machine

    #define DEFAULT_CACHE_LINE_SIZE 64

  #endif

#endif

#endif // CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP