Mon, 23 Jun 2008 14:11:12 -0700
6708714: Optimize long LShift on 32-bits x86
Summary: For small (1-3 bits) left long shifts in 32-bits VM use sets of add+addc instructions instead of shld+shl on new AMD cpus.
Reviewed-by: never
Contributed-by: shrinivas.joshi@amd.com
1 /*
2 * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
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 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
25 // Construct enum of Flag_<cmdline-arg> constants.
27 // Parens left off in the following for the enum decl below.
28 #define FLAG_MEMBER(flag) Flag_##flag
30 #define RUNTIME_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
31 #define RUNTIME_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
32 #define RUNTIME_DIAGNOSTIC_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
33 #define RUNTIME_MANAGEABLE_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
34 #define RUNTIME_PRODUCT_RW_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
35 #ifdef PRODUCT
36 #define RUNTIME_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
37 #define RUNTIME_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
38 #define RUNTIME_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
39 #else
40 #define RUNTIME_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
41 #define RUNTIME_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
42 #define RUNTIME_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
43 #endif
44 #ifdef _LP64
45 #define RUNTIME_LP64_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
46 #else
47 #define RUNTIME_LP64_PRODUCT_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
48 #endif // _LP64
50 #define C1_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
51 #define C1_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
52 #ifdef PRODUCT
53 #define C1_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
54 #define C1_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
55 #define C1_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
56 #else
57 #define C1_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
58 #define C1_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
59 #define C1_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
60 #endif
63 #define C2_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
64 #define C2_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
65 #define C2_DIAGNOSTIC_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
66 #ifdef PRODUCT
67 #define C2_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
68 #define C2_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
69 #define C2_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
70 #else
71 #define C2_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
72 #define C2_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
73 #define C2_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
74 #endif
76 typedef enum {
77 RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER, RUNTIME_PD_DEVELOP_FLAG_MEMBER, RUNTIME_PRODUCT_FLAG_MEMBER,
78 RUNTIME_PD_PRODUCT_FLAG_MEMBER, RUNTIME_DIAGNOSTIC_FLAG_MEMBER,
79 RUNTIME_NOTPRODUCT_FLAG_MEMBER, RUNTIME_MANAGEABLE_FLAG_MEMBER,
80 RUNTIME_PRODUCT_RW_FLAG_MEMBER,
81 RUNTIME_LP64_PRODUCT_FLAG_MEMBER)
82 RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER, RUNTIME_PD_DEVELOP_FLAG_MEMBER, RUNTIME_PRODUCT_FLAG_MEMBER,
83 RUNTIME_PD_PRODUCT_FLAG_MEMBER, RUNTIME_DIAGNOSTIC_FLAG_MEMBER,
84 RUNTIME_NOTPRODUCT_FLAG_MEMBER)
85 #ifdef COMPILER1
86 C1_FLAGS(C1_DEVELOP_FLAG_MEMBER, C1_PD_DEVELOP_FLAG_MEMBER, C1_PRODUCT_FLAG_MEMBER, C1_PD_PRODUCT_FLAG_MEMBER,
87 C1_NOTPRODUCT_FLAG_MEMBER)
88 #endif
89 #ifdef COMPILER2
90 C2_FLAGS(C2_DEVELOP_FLAG_MEMBER, C2_PD_DEVELOP_FLAG_MEMBER, C2_PRODUCT_FLAG_MEMBER, C2_PD_PRODUCT_FLAG_MEMBER,
91 C2_DIAGNOSTIC_FLAG_MEMBER, C2_NOTPRODUCT_FLAG_MEMBER)
92 #endif
93 NUM_CommandLineFlag
94 } CommandLineFlag;
96 // Construct enum of Flag_<cmdline-arg>_<type> constants.
98 #define FLAG_MEMBER_WITH_TYPE(flag,type) Flag_##flag##_##type
100 #define RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
101 #define RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
102 #define RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
103 #define RUNTIME_MANAGEABLE_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
104 #define RUNTIME_PRODUCT_RW_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
105 #ifdef PRODUCT
106 #define RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
107 #define RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
108 #define RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
109 #else
110 #define RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
111 #define RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
112 #define RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
113 #endif
115 #define C1_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
116 #define C1_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
117 #ifdef PRODUCT
118 #define C1_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
119 #define C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
120 #define C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
121 #else
122 #define C1_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
123 #define C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
124 #define C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
125 #endif
126 #ifdef _LP64
127 #define RUNTIME_LP64_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
128 #else
129 #define RUNTIME_LP64_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
130 #endif // _LP64
133 #define C2_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
134 #define C2_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
135 #define C2_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
136 #ifdef PRODUCT
137 #define C2_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
138 #define C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
139 #define C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
140 #else
141 #define C2_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
142 #define C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
143 #define C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
144 #endif
146 typedef enum {
147 RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE, RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
148 RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE, RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
149 RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,
150 RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE,
151 RUNTIME_MANAGEABLE_FLAG_MEMBER_WITH_TYPE,
152 RUNTIME_PRODUCT_RW_FLAG_MEMBER_WITH_TYPE,
153 RUNTIME_LP64_PRODUCT_FLAG_MEMBER_WITH_TYPE)
154 RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE, RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
155 RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE, RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
156 RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,
157 RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
158 #ifdef COMPILER1
159 C1_FLAGS(C1_DEVELOP_FLAG_MEMBER_WITH_TYPE, C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE, C1_PRODUCT_FLAG_MEMBER_WITH_TYPE,
160 C1_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE, C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
161 #endif
162 #ifdef COMPILER2
163 C2_FLAGS(C2_DEVELOP_FLAG_MEMBER_WITH_TYPE, C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE, C2_PRODUCT_FLAG_MEMBER_WITH_TYPE,
164 C2_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE, C2_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE, C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
165 #endif
166 NUM_CommandLineFlagWithType
167 } CommandLineFlagWithType;
169 #define FLAG_IS_DEFAULT(name) (CommandLineFlagsEx::is_default(FLAG_MEMBER(name)))
170 #define FLAG_IS_ERGO(name) (CommandLineFlagsEx::is_ergo(FLAG_MEMBER(name)))
171 #define FLAG_IS_CMDLINE(name) (CommandLineFlagsEx::is_cmdline(FLAG_MEMBER(name)))
173 #define FLAG_SET_DEFAULT(name, value) ((name) = (value))
175 #define FLAG_SET_CMDLINE(type, name, value) (CommandLineFlagsEx::type##AtPut(FLAG_MEMBER_WITH_TYPE(name,type), (type)(value), COMMAND_LINE))
176 #define FLAG_SET_ERGO(type, name, value) (CommandLineFlagsEx::type##AtPut(FLAG_MEMBER_WITH_TYPE(name,type), (type)(value), ERGONOMIC))
178 // Can't put the following in CommandLineFlags because
179 // of a circular dependency on the enum definition.
180 class CommandLineFlagsEx : CommandLineFlags {
181 public:
182 static void boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin);
183 static void intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin);
184 static void uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin);
185 static void doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin);
186 static void ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin);
188 static bool is_default(CommandLineFlag flag);
189 static bool is_ergo(CommandLineFlag flag);
190 static bool is_cmdline(CommandLineFlag flag);
191 };