Mercurial > jdk8-mips64-public > hotspot / annotate
src/os_cpu/solaris_sparc/vm/solaris_sparc.il@f90c822e73f8 (annotated)
src/os_cpu/solaris_sparc/vm/solaris_sparc.il
Wed, 27 Apr 2016 01:25:04 +0800
- author
- aoqi
- date
- Wed, 27 Apr 2016 01:25:04 +0800
- changeset 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
| aoqi@0 | 1 | // |
| aoqi@0 | 2 | // Copyright (c) 2002, 2013, 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@0 | 25 | // Get the raw thread ID from %g7 |
| aoqi@0 | 26 | |
| aoqi@0 | 27 | .inline _raw_thread_id, 0 |
| aoqi@0 | 28 | .register %g7,#scratch |
| aoqi@0 | 29 | .volatile |
| aoqi@0 | 30 | mov %g7, %o0 |
| aoqi@0 | 31 | .nonvolatile |
| aoqi@0 | 32 | .end |
| aoqi@0 | 33 | |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | // Clear SPARC fprs.FEF DU and DL bits -- |
| aoqi@0 | 36 | // allows the kernel to avoid saving FPU state at context-switch time. |
| aoqi@0 | 37 | // Use for state-transition points (into _thread_blocked) or when |
| aoqi@0 | 38 | // parking. |
| aoqi@0 | 39 | |
| aoqi@0 | 40 | .inline _mark_fpu_nosave, 0 |
| aoqi@0 | 41 | .volatile |
| aoqi@0 | 42 | wr %g0, 0, %fprs |
| aoqi@0 | 43 | .nonvolatile |
| aoqi@0 | 44 | .end |
| aoqi@0 | 45 | |
| aoqi@0 | 46 | // Support for jint Atomic::xchg(jint exchange_value, volatile jint* dest). |
| aoqi@0 | 47 | // |
| aoqi@0 | 48 | // Arguments: |
| aoqi@0 | 49 | // exchange_value: O0 |
| aoqi@0 | 50 | // dest: O1 |
| aoqi@0 | 51 | // |
| aoqi@0 | 52 | // Results: |
| aoqi@0 | 53 | // O0: the value previously stored in dest |
| aoqi@0 | 54 | |
| aoqi@0 | 55 | .inline _Atomic_swap32, 2 |
| aoqi@0 | 56 | .volatile |
| aoqi@0 | 57 | swap [%o1],%o0 |
| aoqi@0 | 58 | .nonvolatile |
| aoqi@0 | 59 | .end |
| aoqi@0 | 60 | |
| aoqi@0 | 61 | |
| aoqi@0 | 62 | // Support for intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t * dest). |
| aoqi@0 | 63 | // |
| aoqi@0 | 64 | // 64-bit |
| aoqi@0 | 65 | // |
| aoqi@0 | 66 | // Arguments: |
| aoqi@0 | 67 | // exchange_value: O0 |
| aoqi@0 | 68 | // dest: O1 |
| aoqi@0 | 69 | // |
| aoqi@0 | 70 | // Results: |
| aoqi@0 | 71 | // O0: the value previously stored in dest |
| aoqi@0 | 72 | |
| aoqi@0 | 73 | .inline _Atomic_swap64, 2 |
| aoqi@0 | 74 | .volatile |
| aoqi@0 | 75 | 1: |
| aoqi@0 | 76 | mov %o0, %o3 |
| aoqi@0 | 77 | ldx [%o1], %o2 |
| aoqi@0 | 78 | casx [%o1], %o2, %o3 |
| aoqi@0 | 79 | cmp %o2, %o3 |
| aoqi@0 | 80 | bne %xcc, 1b |
| aoqi@0 | 81 | nop |
| aoqi@0 | 82 | mov %o2, %o0 |
| aoqi@0 | 83 | .nonvolatile |
| aoqi@0 | 84 | .end |
| aoqi@0 | 85 | |
| aoqi@0 | 86 | |
| aoqi@0 | 87 | // Support for jint Atomic::cmpxchg(jint exchange_value, |
| aoqi@0 | 88 | // volatile jint* dest, |
| aoqi@0 | 89 | // jint compare_value) |
| aoqi@0 | 90 | // |
| aoqi@0 | 91 | // Arguments: |
| aoqi@0 | 92 | // exchange_value: O0 |
| aoqi@0 | 93 | // dest: O1 |
| aoqi@0 | 94 | // compare_value: O2 |
| aoqi@0 | 95 | // |
| aoqi@0 | 96 | // Results: |
| aoqi@0 | 97 | // O0: the value previously stored in dest |
| aoqi@0 | 98 | |
| aoqi@0 | 99 | .inline _Atomic_cas32, 3 |
| aoqi@0 | 100 | .volatile |
| aoqi@0 | 101 | cas [%o1], %o2, %o0 |
| aoqi@0 | 102 | .nonvolatile |
| aoqi@0 | 103 | .end |
| aoqi@0 | 104 | |
| aoqi@0 | 105 | |
| aoqi@0 | 106 | // Support for intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, |
| aoqi@0 | 107 | // volatile intptr_t* dest, |
| aoqi@0 | 108 | // intptr_t compare_value) |
| aoqi@0 | 109 | // |
| aoqi@0 | 110 | // 64-bit |
| aoqi@0 | 111 | // |
| aoqi@0 | 112 | // Arguments: |
| aoqi@0 | 113 | // exchange_value: O0 |
| aoqi@0 | 114 | // dest: O1 |
| aoqi@0 | 115 | // compare_value: O2 |
| aoqi@0 | 116 | // |
| aoqi@0 | 117 | // Results: |
| aoqi@0 | 118 | // O0: the value previously stored in dest |
| aoqi@0 | 119 | |
| aoqi@0 | 120 | .inline _Atomic_cas64, 3 |
| aoqi@0 | 121 | .volatile |
| aoqi@0 | 122 | casx [%o1], %o2, %o0 |
| aoqi@0 | 123 | .nonvolatile |
| aoqi@0 | 124 | .end |
| aoqi@0 | 125 | |
| aoqi@0 | 126 | |
| aoqi@0 | 127 | // Support for jlong Atomic::cmpxchg(jlong exchange_value, |
| aoqi@0 | 128 | // volatile jlong* dest, |
| aoqi@0 | 129 | // jlong compare_value) |
| aoqi@0 | 130 | // |
| aoqi@0 | 131 | // 32-bit calling conventions |
| aoqi@0 | 132 | // |
| aoqi@0 | 133 | // Arguments: |
| aoqi@0 | 134 | // exchange_value: O1:O0 |
| aoqi@0 | 135 | // dest: O2 |
| aoqi@0 | 136 | // compare_value: O4:O3 |
| aoqi@0 | 137 | // |
| aoqi@0 | 138 | // Results: |
| aoqi@0 | 139 | // O1:O0: the value previously stored in dest |
| aoqi@0 | 140 | |
| aoqi@0 | 141 | .inline _Atomic_casl, 3 |
| aoqi@0 | 142 | .volatile |
| aoqi@0 | 143 | sllx %o0, 32, %o0 |
| aoqi@0 | 144 | srl %o1, 0, %o1 |
| aoqi@0 | 145 | or %o0,%o1,%o0 |
| aoqi@0 | 146 | sllx %o3, 32, %o3 |
| aoqi@0 | 147 | srl %o4, 0, %o4 |
| aoqi@0 | 148 | or %o3,%o4,%o3 |
| aoqi@0 | 149 | casx [%o2], %o3, %o0 |
| aoqi@0 | 150 | srl %o0, 0, %o1 |
| aoqi@0 | 151 | srlx %o0, 32, %o0 |
| aoqi@0 | 152 | .nonvolatile |
| aoqi@0 | 153 | .end |
| aoqi@0 | 154 | |
| aoqi@0 | 155 | // Support for jlong Atomic::load and Atomic::store on v9. |
| aoqi@0 | 156 | // |
| aoqi@0 | 157 | // void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst) |
| aoqi@0 | 158 | // |
| aoqi@0 | 159 | // Arguments: |
| aoqi@0 | 160 | // src: O0 |
| aoqi@0 | 161 | // dest: O1 |
| aoqi@0 | 162 | // |
| aoqi@0 | 163 | // Overwrites O2 |
| aoqi@0 | 164 | |
| aoqi@0 | 165 | .inline _Atomic_move_long_v9,2 |
| aoqi@0 | 166 | .volatile |
| aoqi@0 | 167 | ldx [%o0], %o2 |
| aoqi@0 | 168 | stx %o2, [%o1] |
| aoqi@0 | 169 | .nonvolatile |
| aoqi@0 | 170 | .end |
| aoqi@0 | 171 | |
| aoqi@0 | 172 | // Support for jint Atomic::add(jint add_value, volatile jint* dest). |
| aoqi@0 | 173 | // |
| aoqi@0 | 174 | // Arguments: |
| aoqi@0 | 175 | // add_value: O0 (e.g., +1 or -1) |
| aoqi@0 | 176 | // dest: O1 |
| aoqi@0 | 177 | // |
| aoqi@0 | 178 | // Results: |
| aoqi@0 | 179 | // O0: the new value stored in dest |
| aoqi@0 | 180 | // |
| aoqi@0 | 181 | // Overwrites O3 |
| aoqi@0 | 182 | |
| aoqi@0 | 183 | .inline _Atomic_add32, 2 |
| aoqi@0 | 184 | .volatile |
| aoqi@0 | 185 | 2: |
| aoqi@0 | 186 | ld [%o1], %o2 |
| aoqi@0 | 187 | add %o0, %o2, %o3 |
| aoqi@0 | 188 | cas [%o1], %o2, %o3 |
| aoqi@0 | 189 | cmp %o2, %o3 |
| aoqi@0 | 190 | bne 2b |
| aoqi@0 | 191 | nop |
| aoqi@0 | 192 | add %o0, %o2, %o0 |
| aoqi@0 | 193 | .nonvolatile |
| aoqi@0 | 194 | .end |
| aoqi@0 | 195 | |
| aoqi@0 | 196 | |
| aoqi@0 | 197 | // Support for intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) |
| aoqi@0 | 198 | // |
| aoqi@0 | 199 | // 64-bit |
| aoqi@0 | 200 | // |
| aoqi@0 | 201 | // Arguments: |
| aoqi@0 | 202 | // add_value: O0 (e.g., +1 or -1) |
| aoqi@0 | 203 | // dest: O1 |
| aoqi@0 | 204 | // |
| aoqi@0 | 205 | // Results: |
| aoqi@0 | 206 | // O0: the new value stored in dest |
| aoqi@0 | 207 | // |
| aoqi@0 | 208 | // Overwrites O3 |
| aoqi@0 | 209 | |
| aoqi@0 | 210 | .inline _Atomic_add64, 2 |
| aoqi@0 | 211 | .volatile |
| aoqi@0 | 212 | 3: |
| aoqi@0 | 213 | ldx [%o1], %o2 |
| aoqi@0 | 214 | add %o0, %o2, %o3 |
| aoqi@0 | 215 | casx [%o1], %o2, %o3 |
| aoqi@0 | 216 | cmp %o2, %o3 |
| aoqi@0 | 217 | bne %xcc, 3b |
| aoqi@0 | 218 | nop |
| aoqi@0 | 219 | add %o0, %o2, %o0 |
| aoqi@0 | 220 | .nonvolatile |
| aoqi@0 | 221 | .end |
| aoqi@0 | 222 | |
| aoqi@0 | 223 | |
| aoqi@0 | 224 | // Support for void OrderAccess::acquire() |
| aoqi@0 | 225 | // The method is intentionally empty. |
| aoqi@0 | 226 | // It exists for the sole purpose of generating |
| aoqi@0 | 227 | // a C/C++ sequence point over which the compiler won't |
| aoqi@0 | 228 | // reorder code. |
| aoqi@0 | 229 | |
| aoqi@0 | 230 | .inline _OrderAccess_acquire,0 |
| aoqi@0 | 231 | .volatile |
| aoqi@0 | 232 | .nonvolatile |
| aoqi@0 | 233 | .end |
| aoqi@0 | 234 | |
| aoqi@0 | 235 | |
| aoqi@0 | 236 | // Support for void OrderAccess::fence() |
| aoqi@0 | 237 | |
| aoqi@0 | 238 | .inline _OrderAccess_fence,0 |
| aoqi@0 | 239 | .volatile |
| aoqi@0 | 240 | membar #StoreLoad |
| aoqi@0 | 241 | .nonvolatile |
| aoqi@0 | 242 | .end |
| aoqi@0 | 243 | |
| aoqi@0 | 244 | |
| aoqi@0 | 245 | // Support for void Prefetch::read(void *loc, intx interval) |
| aoqi@0 | 246 | // |
| aoqi@0 | 247 | // Prefetch for several reads. |
| aoqi@0 | 248 | |
| aoqi@0 | 249 | .inline _Prefetch_read, 2 |
| aoqi@0 | 250 | .volatile |
| aoqi@0 | 251 | prefetch [%o0+%o1], 0 |
| aoqi@0 | 252 | .nonvolatile |
| aoqi@0 | 253 | .end |
| aoqi@0 | 254 | |
| aoqi@0 | 255 | |
| aoqi@0 | 256 | // Support for void Prefetch::write(void *loc, intx interval) |
| aoqi@0 | 257 | // |
| aoqi@0 | 258 | // Prefetch for several writes. |
| aoqi@0 | 259 | |
| aoqi@0 | 260 | .inline _Prefetch_write, 2 |
| aoqi@0 | 261 | .volatile |
| aoqi@0 | 262 | prefetch [%o0+%o1], 2 |
| aoqi@0 | 263 | .nonvolatile |
| aoqi@0 | 264 | .end |
| aoqi@0 | 265 | |
| aoqi@0 | 266 | |
| aoqi@0 | 267 | // Support for void Copy::conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) |
| aoqi@0 | 268 | // |
| aoqi@0 | 269 | // 32-bit |
| aoqi@0 | 270 | // |
| aoqi@0 | 271 | // Arguments: |
| aoqi@0 | 272 | // from: O0 |
| aoqi@0 | 273 | // to: O1 |
| aoqi@0 | 274 | // count: O2 treated as signed |
| aoqi@0 | 275 | // |
| aoqi@0 | 276 | // Clobbers: |
| aoqi@0 | 277 | // long_value: O2, O3 |
| aoqi@0 | 278 | // count: O4 |
| aoqi@0 | 279 | // |
| aoqi@0 | 280 | // if (from > to) { |
| aoqi@0 | 281 | // while (--count >= 0) { |
| aoqi@0 | 282 | // *to++ = *from++; |
| aoqi@0 | 283 | // } |
| aoqi@0 | 284 | // } else { |
| aoqi@0 | 285 | // while (--count >= 0) { |
| aoqi@0 | 286 | // to[count] = from[count]; |
| aoqi@0 | 287 | // } |
| aoqi@0 | 288 | // } |
| aoqi@0 | 289 | .inline _Copy_conjoint_jlongs_atomic, 3 |
| aoqi@0 | 290 | .volatile |
| aoqi@0 | 291 | cmp %o0, %o1 |
| aoqi@0 | 292 | bleu 4f |
| aoqi@0 | 293 | sll %o2, 3, %o4 |
| aoqi@0 | 294 | ba 2f |
| aoqi@0 | 295 | 1: |
| aoqi@0 | 296 | subcc %o4, 8, %o4 |
| aoqi@0 | 297 | std %o2, [%o1] |
| aoqi@0 | 298 | add %o0, 8, %o0 |
| aoqi@0 | 299 | add %o1, 8, %o1 |
| aoqi@0 | 300 | 2: |
| aoqi@0 | 301 | bge,a 1b |
| aoqi@0 | 302 | ldd [%o0], %o2 |
| aoqi@0 | 303 | ba 5f |
| aoqi@0 | 304 | nop |
| aoqi@0 | 305 | 3: |
| aoqi@0 | 306 | std %o2, [%o1+%o4] |
| aoqi@0 | 307 | 4: |
| aoqi@0 | 308 | subcc %o4, 8, %o4 |
| aoqi@0 | 309 | bge,a 3b |
| aoqi@0 | 310 | ldd [%o0+%o4], %o2 |
| aoqi@0 | 311 | 5: |
| aoqi@0 | 312 | .nonvolatile |
| aoqi@0 | 313 | .end |
