src/share/vm/asm/register.hpp

Fri, 29 Apr 2016 00:06:10 +0800

author
aoqi
date
Fri, 29 Apr 2016 00:06:10 +0800
changeset 1
2d8a650513c2
parent 0
f90c822e73f8
child 6876
710a3c8b516e
permissions
-rw-r--r--

Added MIPS 64-bit port.

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@1 25 /*
aoqi@1 26 * This file has been modified by Loongson Technology in 2015. These
aoqi@1 27 * modifications are Copyright (c) 2015 Loongson Technology, and are made
aoqi@1 28 * available on the same license terms set forth above.
aoqi@1 29 */
aoqi@1 30
aoqi@0 31 #ifndef SHARE_VM_ASM_REGISTER_HPP
aoqi@0 32 #define SHARE_VM_ASM_REGISTER_HPP
aoqi@0 33
aoqi@0 34 #include "utilities/top.hpp"
aoqi@0 35
aoqi@0 36 // Use AbstractRegister as shortcut
aoqi@0 37 class AbstractRegisterImpl;
aoqi@0 38 typedef AbstractRegisterImpl* AbstractRegister;
aoqi@0 39
aoqi@0 40
aoqi@0 41 // The super class for platform specific registers. Instead of using value objects,
aoqi@0 42 // registers are implemented as pointers. Subclassing is used so all registers can
aoqi@0 43 // use the debugging suport below. No virtual functions are used for efficiency.
aoqi@0 44 // They are canonicalized; i.e., registers are equal if their pointers are equal,
aoqi@0 45 // and vice versa. A concrete implementation may just map the register onto 'this'.
aoqi@0 46
aoqi@0 47 class AbstractRegisterImpl {
aoqi@0 48 protected:
aoqi@0 49 int value() const { return (int)(intx)this; }
aoqi@0 50 };
aoqi@0 51
aoqi@0 52
aoqi@0 53 //
aoqi@0 54 // Macros for use in defining Register instances. We'd like to be
aoqi@0 55 // able to simply define const instances of the RegisterImpl* for each
aoqi@0 56 // of the registers needed on a system in a header file. However many
aoqi@0 57 // compilers don't handle this very well and end up producing a
aoqi@0 58 // private definition in every file which includes the header file.
aoqi@0 59 // Along with the static constructors necessary for initialization it
aoqi@0 60 // can consume a significant amount of space in the result library.
aoqi@0 61 //
aoqi@0 62 // The following macros allow us to declare the instance in a .hpp and
aoqi@0 63 // produce an enumeration value which has the same number. Then in a
aoqi@0 64 // .cpp the the register instance can be defined using the enumeration
aoqi@0 65 // value. This avoids the use of static constructors and multiple
aoqi@0 66 // definitions per .cpp. In addition #defines for the register can be
aoqi@0 67 // produced so that the constant registers can be inlined. These
aoqi@0 68 // macros should not be used inside other macros, because you may get
aoqi@0 69 // multiple evaluations of the macros which can give bad results.
aoqi@0 70 //
aoqi@0 71 // Here are some example uses and expansions. Note that the macro
aoqi@0 72 // invocation is terminated with a ;.
aoqi@0 73 //
aoqi@0 74 // CONSTANT_REGISTER_DECLARATION(Register, G0, 0);
aoqi@0 75 //
aoqi@0 76 // extern const Register G0 ;
aoqi@0 77 // enum { G0_RegisterEnumValue = 0 } ;
aoqi@0 78 //
aoqi@0 79 // REGISTER_DECLARATION(Register, Gmethod, G5);
aoqi@0 80 //
aoqi@0 81 // extern const Register Gmethod ;
aoqi@0 82 // enum { Gmethod_RegisterEnumValue = G5_RegisterEnumValue } ;
aoqi@0 83 //
aoqi@0 84 // REGISTER_DEFINITION(Register, G0);
aoqi@0 85 //
aoqi@0 86 // const Register G0 = ( ( Register ) G0_RegisterEnumValue ) ;
aoqi@0 87 //
aoqi@0 88
aoqi@0 89 #define AS_REGISTER(type,name) ((type)name##_##type##EnumValue)
aoqi@0 90
aoqi@0 91 #define CONSTANT_REGISTER_DECLARATION(type, name, value) \
aoqi@0 92 extern const type name; \
aoqi@0 93 enum { name##_##type##EnumValue = (value) }
aoqi@0 94
aoqi@0 95 #define REGISTER_DECLARATION(type, name, value) \
aoqi@0 96 extern const type name; \
aoqi@0 97 enum { name##_##type##EnumValue = value##_##type##EnumValue }
aoqi@0 98
aoqi@0 99 #define REGISTER_DEFINITION(type, name) \
aoqi@0 100 const type name = ((type)name##_##type##EnumValue)
aoqi@0 101
aoqi@0 102 #ifdef TARGET_ARCH_x86
aoqi@0 103 # include "register_x86.hpp"
aoqi@0 104 #endif
aoqi@0 105 #ifdef TARGET_ARCH_sparc
aoqi@0 106 # include "register_sparc.hpp"
aoqi@0 107 #endif
aoqi@0 108 #ifdef TARGET_ARCH_zero
aoqi@0 109 # include "register_zero.hpp"
aoqi@0 110 #endif
aoqi@0 111 #ifdef TARGET_ARCH_arm
aoqi@0 112 # include "register_arm.hpp"
aoqi@0 113 #endif
aoqi@0 114 #ifdef TARGET_ARCH_ppc
aoqi@0 115 # include "register_ppc.hpp"
aoqi@0 116 #endif
aoqi@1 117 #ifdef TARGET_ARCH_mips
aoqi@1 118 # include "register_mips.hpp"
aoqi@1 119 #endif
aoqi@0 120
aoqi@0 121
aoqi@0 122 // Debugging support
aoqi@0 123
aoqi@0 124 inline void assert_different_registers(
aoqi@0 125 AbstractRegister a,
aoqi@0 126 AbstractRegister b
aoqi@0 127 ) {
aoqi@0 128 assert(
aoqi@0 129 a != b,
aoqi@0 130 err_msg_res("registers must be different: a=" INTPTR_FORMAT ", b=" INTPTR_FORMAT "",
aoqi@0 131 p2i(a), p2i(b))
aoqi@0 132 );
aoqi@0 133 }
aoqi@0 134
aoqi@0 135
aoqi@0 136 inline void assert_different_registers(
aoqi@0 137 AbstractRegister a,
aoqi@0 138 AbstractRegister b,
aoqi@0 139 AbstractRegister c
aoqi@0 140 ) {
aoqi@0 141 assert(
aoqi@0 142 a != b && a != c
aoqi@0 143 && b != c,
aoqi@0 144 err_msg_res("registers must be different: a=" INTPTR_FORMAT ", b=" INTPTR_FORMAT
aoqi@0 145 ", c=" INTPTR_FORMAT "",
aoqi@0 146 p2i(a), p2i(b), p2i(c))
aoqi@0 147 );
aoqi@0 148 }
aoqi@0 149
aoqi@0 150
aoqi@0 151 inline void assert_different_registers(
aoqi@0 152 AbstractRegister a,
aoqi@0 153 AbstractRegister b,
aoqi@0 154 AbstractRegister c,
aoqi@0 155 AbstractRegister d
aoqi@0 156 ) {
aoqi@0 157 assert(
aoqi@0 158 a != b && a != c && a != d
aoqi@0 159 && b != c && b != d
aoqi@0 160 && c != d,
aoqi@0 161 err_msg_res("registers must be different: a=" INTPTR_FORMAT ", b=" INTPTR_FORMAT
aoqi@0 162 ", c=" INTPTR_FORMAT ", d=" INTPTR_FORMAT "",
aoqi@0 163 p2i(a), p2i(b), p2i(c), p2i(d))
aoqi@0 164 );
aoqi@0 165 }
aoqi@0 166
aoqi@0 167
aoqi@0 168 inline void assert_different_registers(
aoqi@0 169 AbstractRegister a,
aoqi@0 170 AbstractRegister b,
aoqi@0 171 AbstractRegister c,
aoqi@0 172 AbstractRegister d,
aoqi@0 173 AbstractRegister e
aoqi@0 174 ) {
aoqi@0 175 assert(
aoqi@0 176 a != b && a != c && a != d && a != e
aoqi@0 177 && b != c && b != d && b != e
aoqi@0 178 && c != d && c != e
aoqi@0 179 && d != e,
aoqi@0 180 err_msg_res("registers must be different: a=" INTPTR_FORMAT ", b=" INTPTR_FORMAT
aoqi@0 181 ", c=" INTPTR_FORMAT ", d=" INTPTR_FORMAT ", e=" INTPTR_FORMAT "",
aoqi@0 182 p2i(a), p2i(b), p2i(c), p2i(d), p2i(e))
aoqi@0 183 );
aoqi@0 184 }
aoqi@0 185
aoqi@0 186
aoqi@0 187 inline void assert_different_registers(
aoqi@0 188 AbstractRegister a,
aoqi@0 189 AbstractRegister b,
aoqi@0 190 AbstractRegister c,
aoqi@0 191 AbstractRegister d,
aoqi@0 192 AbstractRegister e,
aoqi@0 193 AbstractRegister f
aoqi@0 194 ) {
aoqi@0 195 assert(
aoqi@0 196 a != b && a != c && a != d && a != e && a != f
aoqi@0 197 && b != c && b != d && b != e && b != f
aoqi@0 198 && c != d && c != e && c != f
aoqi@0 199 && d != e && d != f
aoqi@0 200 && e != f,
aoqi@0 201 err_msg_res("registers must be different: a=" INTPTR_FORMAT ", b=" INTPTR_FORMAT
aoqi@0 202 ", c=" INTPTR_FORMAT ", d=" INTPTR_FORMAT ", e=" INTPTR_FORMAT
aoqi@0 203 ", f=" INTPTR_FORMAT "",
aoqi@0 204 p2i(a), p2i(b), p2i(c), p2i(d), p2i(e), p2i(f))
aoqi@0 205 );
aoqi@0 206 }
aoqi@0 207
aoqi@0 208
aoqi@0 209 inline void assert_different_registers(
aoqi@0 210 AbstractRegister a,
aoqi@0 211 AbstractRegister b,
aoqi@0 212 AbstractRegister c,
aoqi@0 213 AbstractRegister d,
aoqi@0 214 AbstractRegister e,
aoqi@0 215 AbstractRegister f,
aoqi@0 216 AbstractRegister g
aoqi@0 217 ) {
aoqi@0 218 assert(
aoqi@0 219 a != b && a != c && a != d && a != e && a != f && a != g
aoqi@0 220 && b != c && b != d && b != e && b != f && b != g
aoqi@0 221 && c != d && c != e && c != f && c != g
aoqi@0 222 && d != e && d != f && d != g
aoqi@0 223 && e != f && e != g
aoqi@0 224 && f != g,
aoqi@0 225 err_msg_res("registers must be different: a=" INTPTR_FORMAT ", b=" INTPTR_FORMAT
aoqi@0 226 ", c=" INTPTR_FORMAT ", d=" INTPTR_FORMAT ", e=" INTPTR_FORMAT
aoqi@0 227 ", f=" INTPTR_FORMAT ", g=" INTPTR_FORMAT "",
aoqi@0 228 p2i(a), p2i(b), p2i(c), p2i(d), p2i(e), p2i(f), p2i(g))
aoqi@0 229 );
aoqi@0 230 }
aoqi@0 231
aoqi@0 232
aoqi@0 233 inline void assert_different_registers(
aoqi@0 234 AbstractRegister a,
aoqi@0 235 AbstractRegister b,
aoqi@0 236 AbstractRegister c,
aoqi@0 237 AbstractRegister d,
aoqi@0 238 AbstractRegister e,
aoqi@0 239 AbstractRegister f,
aoqi@0 240 AbstractRegister g,
aoqi@0 241 AbstractRegister h
aoqi@0 242 ) {
aoqi@0 243 assert(
aoqi@0 244 a != b && a != c && a != d && a != e && a != f && a != g && a != h
aoqi@0 245 && b != c && b != d && b != e && b != f && b != g && b != h
aoqi@0 246 && c != d && c != e && c != f && c != g && c != h
aoqi@0 247 && d != e && d != f && d != g && d != h
aoqi@0 248 && e != f && e != g && e != h
aoqi@0 249 && f != g && f != h
aoqi@0 250 && g != h,
aoqi@0 251 err_msg_res("registers must be different: a=" INTPTR_FORMAT ", b=" INTPTR_FORMAT
aoqi@0 252 ", c=" INTPTR_FORMAT ", d=" INTPTR_FORMAT ", e=" INTPTR_FORMAT
aoqi@0 253 ", f=" INTPTR_FORMAT ", g=" INTPTR_FORMAT ", h=" INTPTR_FORMAT "",
aoqi@0 254 p2i(a), p2i(b), p2i(c), p2i(d), p2i(e), p2i(f), p2i(g), p2i(h))
aoqi@0 255 );
aoqi@0 256 }
aoqi@0 257
aoqi@0 258
aoqi@0 259 inline void assert_different_registers(
aoqi@0 260 AbstractRegister a,
aoqi@0 261 AbstractRegister b,
aoqi@0 262 AbstractRegister c,
aoqi@0 263 AbstractRegister d,
aoqi@0 264 AbstractRegister e,
aoqi@0 265 AbstractRegister f,
aoqi@0 266 AbstractRegister g,
aoqi@0 267 AbstractRegister h,
aoqi@0 268 AbstractRegister i
aoqi@0 269 ) {
aoqi@0 270 assert(
aoqi@0 271 a != b && a != c && a != d && a != e && a != f && a != g && a != h && a != i
aoqi@0 272 && b != c && b != d && b != e && b != f && b != g && b != h && b != i
aoqi@0 273 && c != d && c != e && c != f && c != g && c != h && c != i
aoqi@0 274 && d != e && d != f && d != g && d != h && d != i
aoqi@0 275 && e != f && e != g && e != h && e != i
aoqi@0 276 && f != g && f != h && f != i
aoqi@0 277 && g != h && g != i
aoqi@0 278 && h != i,
aoqi@0 279 err_msg_res("registers must be different: a=" INTPTR_FORMAT ", b=" INTPTR_FORMAT
aoqi@0 280 ", c=" INTPTR_FORMAT ", d=" INTPTR_FORMAT ", e=" INTPTR_FORMAT
aoqi@0 281 ", f=" INTPTR_FORMAT ", g=" INTPTR_FORMAT ", h=" INTPTR_FORMAT
aoqi@0 282 ", i=" INTPTR_FORMAT "",
aoqi@0 283 p2i(a), p2i(b), p2i(c), p2i(d), p2i(e), p2i(f), p2i(g), p2i(h), p2i(i))
aoqi@0 284 );
aoqi@0 285 }
aoqi@0 286
aoqi@0 287 #endif // SHARE_VM_ASM_REGISTER_HPP

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