//

// Copyright 2003-2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

// CA 95054 USA or visit www.sun.com if you need additional information or

// have any questions.

//  

//

  // Support for u8 os::setup_fpu()

      .inline _solaris_raw_setup_fpu,1

      movl     0(%esp), %eax

      fldcw    (%eax)

      .end

  // The argument size of each inline directive is ignored by the compiler

  // and is set to 0 for compatibility reason.

  // Get the raw thread ID from %gs:0

      .inline _raw_thread_id,0

      movl     %gs:0, %eax 

      .end

  // Get current fp

      .inline _get_current_fp,0

      .volatile

      movl     %ebp, %eax 

      .end

  // Support for jint Atomic::add(jint inc, volatile jint* dest)

  // An additional bool (os::is_MP()) is passed as the last argument.

      .inline _Atomic_add,3

      movl     0(%esp), %eax   // inc

      movl     4(%esp), %edx   // dest

      movl     %eax, %ecx

      cmpl     $0, 8(%esp)     // MP test

      je       1f

      lock

1:    xaddl    %eax, (%edx)

      addl     %ecx, %eax

      .end

  // Support for jint Atomic::xchg(jint exchange_value, volatile jint* dest).

      .inline _Atomic_xchg,2

      movl     0(%esp), %eax   // exchange_value

      movl     4(%esp), %ecx   // dest

      xchgl    (%ecx), %eax

      .end

  // Support for jint Atomic::cmpxchg(jint exchange_value, 

  //                                  volatile jint *dest, 

  //                                  jint compare_value)

  // An additional bool (os::is_MP()) is passed as the last argument.

      .inline _Atomic_cmpxchg,4

      movl     8(%esp), %eax   // compare_value

      movl     0(%esp), %ecx   // exchange_value

      movl     4(%esp), %edx   // dest

      cmp      $0, 12(%esp)    // MP test

      je       1f

      lock

1:    cmpxchgl %ecx, (%edx)

      .end

  // Support for jlong Atomic::cmpxchg(jlong exchange_value,

  //                                   volatile jlong* dest,

  //                                   jlong compare_value)

  // An additional bool (os::is_MP()) is passed as the last argument.

      .inline _Atomic_cmpxchg_long,6

      pushl    %ebx

      pushl    %edi

      movl     20(%esp), %eax  // compare_value (low)

      movl     24(%esp), %edx  // compare_value (high)

      movl     16(%esp), %edi  // dest

      movl     8(%esp), %ebx   // exchange_value (low)

      movl     12(%esp), %ecx  // exchange_high (high)

      cmp      $0, 28(%esp)    // MP test

      je       1f

      lock

1:    cmpxchg8b (%edi)

      popl     %edi

      popl     %ebx

      .end

  // Support for void Atomic::load(volatile jlong* src, volatile jlong* dest).

      .inline _Atomic_load_long,2

      movl     0(%esp), %eax   // src

      fildll    (%eax)

      movl     4(%esp), %eax   // dest

      fistpll   (%eax)

      .end

  // Support for OrderAccess::acquire()

      .inline _OrderAccess_acquire,0

      movl     0(%esp), %eax

      .end

  // Support for OrderAccess::fence()

      .inline _OrderAccess_fence,0

      lock

      addl     $0, (%esp)

      .end

  // Support for u2 Bytes::swap_u2(u2 x)

      .inline _raw_swap_u2,1

      movl     0(%esp), %eax

      xchgb    %al, %ah

      .end

  // Support for u4 Bytes::swap_u4(u4 x)

      .inline _raw_swap_u4,1

      movl     0(%esp), %eax

      bswap    %eax

      .end

  // Support for u8 Bytes::swap_u8_base(u4 x, u4 y)

      .inline _raw_swap_u8,2

      movl     4(%esp), %eax   // y

      movl     0(%esp), %edx   // x

      bswap    %eax

      bswap    %edx

      .end