src/os_cpu/solaris_x86/vm/solaris_x86_64.il

Mon, 09 Mar 2009 13:28:46 -0700

author
xdono
date
Mon, 09 Mar 2009 13:28:46 -0700
changeset 1014
0fbdb4381b99
parent 907
7b920868b475
child 1902
fb1a39993f69
permissions
-rw-r--r--

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

duke@435 1 //
xdono@1014 2 // Copyright 2004-2009 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 //
duke@435 5 // This code is free software; you can redistribute it and/or modify it
duke@435 6 // under the terms of the GNU General Public License version 2 only, as
duke@435 7 // published by the Free Software Foundation.
duke@435 8 //
duke@435 9 // This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 // version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 // accompanied this code).
duke@435 14 //
duke@435 15 // You should have received a copy of the GNU General Public License version
duke@435 16 // 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 //
duke@435 19 // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 // CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 // have any questions.
duke@435 22 //
duke@435 23 //
duke@435 24
duke@435 25 // The argument size of each inline directive is ignored by the compiler
duke@435 26 // and is set to the number of arguments as documentation.
duke@435 27
duke@435 28 // Get the raw thread ID from %gs:0
duke@435 29 .inline _raw_thread_id,0
duke@435 30 movq %fs:0, %rax
duke@435 31 .end
duke@435 32
coleenp@907 33 // Get the frame pointer from current frame.
coleenp@907 34 .inline _get_current_fp,0
coleenp@907 35 .volatile
duke@435 36 movq %rbp, %rax
duke@435 37 .end
duke@435 38
duke@435 39 // Support for jint Atomic::add(jint add_value, volatile jint* dest)
duke@435 40 // An additional bool (os::is_MP()) is passed as the last argument.
duke@435 41 .inline _Atomic_add,3
duke@435 42 movl %edi, %eax // save add_value for return
duke@435 43 testl %edx, %edx // MP test
duke@435 44 je 1f
duke@435 45 lock
duke@435 46 1: xaddl %edi, (%rsi)
duke@435 47 addl %edi, %eax
duke@435 48 .end
duke@435 49
duke@435 50 // Support for jlong Atomic::add(jlong add_value, volatile jlong* dest)
duke@435 51 // An additional bool (os::is_MP()) is passed as the last argument.
duke@435 52 .inline _Atomic_add_long,3
duke@435 53 movq %rdi, %rax // save add_value for return
duke@435 54 testq %rdx, %rdx // MP test
duke@435 55 je 1f
duke@435 56 lock
duke@435 57 1: xaddq %rdi, (%rsi)
duke@435 58 addq %rdi, %rax
duke@435 59 .end
duke@435 60
duke@435 61 // Support for jint Atomic::xchg(jint exchange_value, volatile jint* dest).
duke@435 62 .inline _Atomic_xchg,2
duke@435 63 xchgl (%rsi), %edi
duke@435 64 movl %edi, %eax
duke@435 65 .end
duke@435 66
duke@435 67 // Support for jlong Atomic::xchg(jlong exchange_value, volatile jlong* dest).
duke@435 68 .inline _Atomic_xchg_long,2
duke@435 69 xchgq (%rsi), %rdi
duke@435 70 movq %rdi, %rax
duke@435 71 .end
duke@435 72
duke@435 73 // Support for jint Atomic::cmpxchg(jint exchange_value,
duke@435 74 // volatile jint *dest,
duke@435 75 // jint compare_value)
duke@435 76 // An additional bool (os::is_MP()) is passed as the last argument.
duke@435 77 .inline _Atomic_cmpxchg,4
duke@435 78 movl %edx, %eax // compare_value
duke@435 79 testl %ecx, %ecx // MP test
duke@435 80 je 1f
duke@435 81 lock
duke@435 82 1: cmpxchgl %edi, (%rsi)
duke@435 83 .end
duke@435 84
duke@435 85 // Support for jlong Atomic::cmpxchg(jlong exchange_value,
duke@435 86 // volatile jlong* dest,
duke@435 87 // jlong compare_value)
duke@435 88 // An additional bool (os::is_MP()) is passed as the last argument.
duke@435 89 .inline _Atomic_cmpxchg_long,6
duke@435 90 movq %rdx, %rax // compare_value
duke@435 91 testq %rcx, %rcx // MP test
duke@435 92 je 1f
duke@435 93 lock
duke@435 94 1: cmpxchgq %rdi, (%rsi)
duke@435 95 .end
duke@435 96
duke@435 97 // Support for OrderAccess::acquire()
duke@435 98 .inline _OrderAccess_acquire,0
duke@435 99 movl 0(%rsp), %eax
duke@435 100 .end
duke@435 101
duke@435 102 // Support for OrderAccess::fence()
duke@435 103 .inline _OrderAccess_fence,0
duke@435 104 lock
duke@435 105 addl $0, (%rsp)
duke@435 106 .end
duke@435 107
duke@435 108 // Support for u2 Bytes::swap_u2(u2 x)
duke@435 109 .inline _raw_swap_u2,1
duke@435 110 movw %di, %ax
duke@435 111 rorw $8, %ax
duke@435 112 .end
duke@435 113
duke@435 114 // Support for u4 Bytes::swap_u4(u4 x)
duke@435 115 .inline _raw_swap_u4,1
duke@435 116 movl %edi, %eax
duke@435 117 bswapl %eax
duke@435 118 .end
duke@435 119
duke@435 120 // Support for u8 Bytes::swap_u8(u8 x)
duke@435 121 .inline _raw_swap_u8,1
duke@435 122 movq %rdi, %rax
duke@435 123 bswapq %rax
duke@435 124 .end
duke@435 125
duke@435 126 // Support for void Prefetch::read
duke@435 127 .inline _Prefetch_read,2
duke@435 128 prefetcht0 (%rdi, %rsi, 1)
duke@435 129 .end
duke@435 130
duke@435 131 // Support for void Prefetch::write
duke@435 132 // We use prefetcht0 because em64t doesn't support prefetchw.
duke@435 133 // prefetchw is a 3dnow instruction.
duke@435 134 .inline _Prefetch_write,2
duke@435 135 prefetcht0 (%rdi, %rsi, 1)
duke@435 136 .end

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