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annotate src/os_cpu/solaris_x86/vm/solaris_x86_64.il @ 21947:9f70fc90169d

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Truffle: remove expensive assertion
author Andreas Woess <andreas.woess@oracle.com>
date Wed, 17 Jun 2015 04:09:30 +0200
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children
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1 //
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2 // Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
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3 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 //
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5 // This code is free software; you can redistribute it and/or modify it
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6 // under the terms of the GNU General Public License version 2 only, as
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7 // published by the Free Software Foundation.
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8 //
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9 // This code is distributed in the hope that it will be useful, but WITHOUT
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10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 // version 2 for more details (a copy is included in the LICENSE file that
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13 // accompanied this code).
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14 //
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15 // You should have received a copy of the GNU General Public License version
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16 // 2 along with this work; if not, write to the Free Software Foundation,
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17 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 //
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19 // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 // or visit www.oracle.com if you need additional information or have any
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21 // questions.
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22 //
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23 //
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24
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25 // The argument size of each inline directive is ignored by the compiler
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26 // and is set to the number of arguments as documentation.
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27
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28 // Get the raw thread ID from %gs:0
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29 .inline _raw_thread_id,0
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30 movq %fs:0, %rax
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31 .end
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32
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33 // Get current sp
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34 .inline _get_current_sp,0
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35 .volatile
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36 movq %rsp, %rax
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37 .end
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38
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39 // Get current fp
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40 .inline _get_current_fp,0
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41 .volatile
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42 movq %rbp, %rax
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43 .end
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44
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45 // Support for os::rdtsc()
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46 .inline _raw_rdtsc,0
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47 rdtsc
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48 salq $32, %rdx
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49 orq %rdx, %rax
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50 .end
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51
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52 // Support for jint Atomic::add(jint add_value, volatile jint* dest)
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53 .inline _Atomic_add,2
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54 movl %edi, %eax // save add_value for return
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55 lock
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56 xaddl %edi, (%rsi)
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57 addl %edi, %eax
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58 .end
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59
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60 // Support for jlong Atomic::add(jlong add_value, volatile jlong* dest)
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61 .inline _Atomic_add_long,2
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62 movq %rdi, %rax // save add_value for return
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63 lock
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64 xaddq %rdi, (%rsi)
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65 addq %rdi, %rax
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66 .end
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67
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68 // Support for jint Atomic::xchg(jint exchange_value, volatile jint* dest).
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69 .inline _Atomic_xchg,2
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70 xchgl (%rsi), %edi
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71 movl %edi, %eax
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72 .end
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73
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74 // Support for jlong Atomic::xchg(jlong exchange_value, volatile jlong* dest).
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75 .inline _Atomic_xchg_long,2
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76 xchgq (%rsi), %rdi
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77 movq %rdi, %rax
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78 .end
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79
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80 // Support for jint Atomic::cmpxchg(jint exchange_value,
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81 // volatile jint *dest,
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82 // jint compare_value)
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83 .inline _Atomic_cmpxchg,3
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84 movl %edx, %eax // compare_value
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85 lock
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86 cmpxchgl %edi, (%rsi)
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87 .end
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88
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89 // Support for jlong Atomic::cmpxchg(jlong exchange_value,
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90 // volatile jlong* dest,
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91 // jlong compare_value)
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92 .inline _Atomic_cmpxchg_long,3
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93 movq %rdx, %rax // compare_value
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94 lock
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95 cmpxchgq %rdi, (%rsi)
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96 .end
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97
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98 // Support for OrderAccess::acquire()
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99 .inline _OrderAccess_acquire,0
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100 movl 0(%rsp), %eax
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101 .end
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102
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103 // Support for OrderAccess::fence()
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104 .inline _OrderAccess_fence,0
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105 lock
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106 addl $0, (%rsp)
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107 .end
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108
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109 // Support for u2 Bytes::swap_u2(u2 x)
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110 .inline _raw_swap_u2,1
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111 movw %di, %ax
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112 rorw $8, %ax
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113 .end
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114
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115 // Support for u4 Bytes::swap_u4(u4 x)
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116 .inline _raw_swap_u4,1
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117 movl %edi, %eax
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118 bswapl %eax
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119 .end
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120
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121 // Support for u8 Bytes::swap_u8(u8 x)
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122 .inline _raw_swap_u8,1
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123 movq %rdi, %rax
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124 bswapq %rax
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125 .end
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126
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127 // Support for void Prefetch::read
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128 .inline _Prefetch_read,2
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129 prefetcht0 (%rdi, %rsi, 1)
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130 .end
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131
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132 // Support for void Prefetch::write
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133 // We use prefetcht0 because em64t doesn't support prefetchw.
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134 // prefetchw is a 3dnow instruction.
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135 .inline _Prefetch_write,2
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136 prefetcht0 (%rdi, %rsi, 1)
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137 .end