Mercurial > hg > graal-compiler
annotate src/os_cpu/solaris_x86/vm/solaris_x86_32.il @ 4749:7ab5f6318694
7125934: Add a fast unordered timestamp capability to Hotspot on x86/x64
Summary: Add rdtsc detection and inline generation.
Reviewed-by: kamg, dholmes
Contributed-by: karen.kinnear@oracle.com
author | phh |
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date | Sun, 01 Jan 2012 11:17:59 -0500 |
parents | bb8e3b66bde6 |
children | da4be62fb889 |
rev | line source |
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0 | 1 // |
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2 // Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 3 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 // | |
5 // This code is free software; you can redistribute it and/or modify it | |
6 // under the terms of the GNU General Public License version 2 only, as | |
7 // published by the Free Software Foundation. | |
8 // | |
9 // This code is distributed in the hope that it will be useful, but WITHOUT | |
10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 // version 2 for more details (a copy is included in the LICENSE file that | |
13 // accompanied this code). | |
14 // | |
15 // You should have received a copy of the GNU General Public License version | |
16 // 2 along with this work; if not, write to the Free Software Foundation, | |
17 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
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. |
0 | 22 // |
23 // | |
24 | |
25 | |
26 // Support for u8 os::setup_fpu() | |
27 .inline _solaris_raw_setup_fpu,1 | |
28 movl 0(%esp), %eax | |
29 fldcw (%eax) | |
30 .end | |
31 | |
32 // The argument size of each inline directive is ignored by the compiler | |
33 // and is set to 0 for compatibility reason. | |
34 | |
35 // Get the raw thread ID from %gs:0 | |
36 .inline _raw_thread_id,0 | |
37 movl %gs:0, %eax | |
38 .end | |
39 | |
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40 // Get current fp |
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41 .inline _get_current_fp,0 |
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42 .volatile |
0 | 43 movl %ebp, %eax |
44 .end | |
45 | |
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46 // Support for os::rdtsc() |
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47 .inline _raw_rdtsc,0 |
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48 rdtsc |
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49 .end |
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50 |
0 | 51 // Support for jint Atomic::add(jint inc, volatile jint* dest) |
52 // An additional bool (os::is_MP()) is passed as the last argument. | |
53 .inline _Atomic_add,3 | |
54 movl 0(%esp), %eax // inc | |
55 movl 4(%esp), %edx // dest | |
56 movl %eax, %ecx | |
57 cmpl $0, 8(%esp) // MP test | |
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58 jne 1f |
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59 xaddl %eax, (%edx) |
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60 jmp 2f |
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61 1: lock |
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62 xaddl %eax, (%edx) |
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63 2: addl %ecx, %eax |
0 | 64 .end |
65 | |
66 // Support for jint Atomic::xchg(jint exchange_value, volatile jint* dest). | |
67 .inline _Atomic_xchg,2 | |
68 movl 0(%esp), %eax // exchange_value | |
69 movl 4(%esp), %ecx // dest | |
70 xchgl (%ecx), %eax | |
71 .end | |
72 | |
73 // Support for jint Atomic::cmpxchg(jint exchange_value, | |
74 // volatile jint *dest, | |
75 // jint compare_value) | |
76 // An additional bool (os::is_MP()) is passed as the last argument. | |
77 .inline _Atomic_cmpxchg,4 | |
78 movl 8(%esp), %eax // compare_value | |
79 movl 0(%esp), %ecx // exchange_value | |
80 movl 4(%esp), %edx // dest | |
81 cmp $0, 12(%esp) // MP test | |
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82 jne 1f |
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83 cmpxchgl %ecx, (%edx) |
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84 jmp 2f |
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85 1: lock |
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86 cmpxchgl %ecx, (%edx) |
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87 2: |
0 | 88 .end |
89 | |
90 // Support for jlong Atomic::cmpxchg(jlong exchange_value, | |
91 // volatile jlong* dest, | |
92 // jlong compare_value) | |
93 // An additional bool (os::is_MP()) is passed as the last argument. | |
94 .inline _Atomic_cmpxchg_long,6 | |
95 pushl %ebx | |
96 pushl %edi | |
97 movl 20(%esp), %eax // compare_value (low) | |
98 movl 24(%esp), %edx // compare_value (high) | |
99 movl 16(%esp), %edi // dest | |
100 movl 8(%esp), %ebx // exchange_value (low) | |
101 movl 12(%esp), %ecx // exchange_high (high) | |
102 cmp $0, 28(%esp) // MP test | |
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103 jne 1f |
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104 cmpxchg8b (%edi) |
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105 jmp 2f |
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106 1: lock |
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107 cmpxchg8b (%edi) |
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108 2: popl %edi |
0 | 109 popl %ebx |
110 .end | |
111 | |
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112 // Support for jlong Atomic::load and Atomic::store. |
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113 // void _Atomic_move_long(volatile jlong* src, volatile jlong* dst) |
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114 .inline _Atomic_move_long,2 |
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115 movl 0(%esp), %eax // src |
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116 fildll (%eax) |
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117 movl 4(%esp), %eax // dest |
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118 fistpll (%eax) |
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119 .end |
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120 |
0 | 121 // Support for OrderAccess::acquire() |
122 .inline _OrderAccess_acquire,0 | |
123 movl 0(%esp), %eax | |
124 .end | |
125 | |
126 // Support for OrderAccess::fence() | |
127 .inline _OrderAccess_fence,0 | |
128 lock | |
129 addl $0, (%esp) | |
130 .end | |
131 | |
132 // Support for u2 Bytes::swap_u2(u2 x) | |
133 .inline _raw_swap_u2,1 | |
134 movl 0(%esp), %eax | |
135 xchgb %al, %ah | |
136 .end | |
137 | |
138 // Support for u4 Bytes::swap_u4(u4 x) | |
139 .inline _raw_swap_u4,1 | |
140 movl 0(%esp), %eax | |
141 bswap %eax | |
142 .end | |
143 | |
144 // Support for u8 Bytes::swap_u8_base(u4 x, u4 y) | |
145 .inline _raw_swap_u8,2 | |
146 movl 4(%esp), %eax // y | |
147 movl 0(%esp), %edx // x | |
148 bswap %eax | |
149 bswap %edx | |
150 .end |