Tue, 12 Oct 2010 23:51:20 -0700
6991512: G1 barriers fail with 64bit C1
Summary: Fix compare-and-swap intrinsic problem with G1 post-barriers and issue with branch ranges in G1 stubs on sparc
Reviewed-by: never, kvn
duke@435 | 1 | /* |
twisti@2103 | 2 | * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | # include "incls/_precompiled.incl" |
duke@435 | 26 | # include "incls/_jniFastGetField_sparc.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | // TSO ensures that loads are blocking and ordered with respect to |
duke@435 | 29 | // to earlier loads, so we don't need LoadLoad membars. |
duke@435 | 30 | |
duke@435 | 31 | #define __ masm-> |
duke@435 | 32 | |
duke@435 | 33 | #define BUFFER_SIZE 30*sizeof(jint) |
duke@435 | 34 | |
duke@435 | 35 | // Common register usage: |
duke@435 | 36 | // O0: env |
duke@435 | 37 | // O1: obj |
duke@435 | 38 | // O2: jfieldID |
duke@435 | 39 | // O4: offset (O2 >> 2) |
duke@435 | 40 | // G4: old safepoint counter |
duke@435 | 41 | |
duke@435 | 42 | address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) { |
duke@435 | 43 | const char *name; |
duke@435 | 44 | switch (type) { |
duke@435 | 45 | case T_BOOLEAN: name = "jni_fast_GetBooleanField"; break; |
duke@435 | 46 | case T_BYTE: name = "jni_fast_GetByteField"; break; |
duke@435 | 47 | case T_CHAR: name = "jni_fast_GetCharField"; break; |
duke@435 | 48 | case T_SHORT: name = "jni_fast_GetShortField"; break; |
duke@435 | 49 | case T_INT: name = "jni_fast_GetIntField"; break; |
duke@435 | 50 | default: ShouldNotReachHere(); |
duke@435 | 51 | } |
duke@435 | 52 | ResourceMark rm; |
twisti@2103 | 53 | BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
twisti@2103 | 54 | CodeBuffer cbuf(blob); |
duke@435 | 55 | MacroAssembler* masm = new MacroAssembler(&cbuf); |
twisti@2103 | 56 | address fast_entry = __ pc(); |
duke@435 | 57 | |
duke@435 | 58 | Label label1, label2; |
duke@435 | 59 | |
twisti@1162 | 60 | AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
twisti@1162 | 61 | __ sethi (cnt_addrlit, O3); |
twisti@1162 | 62 | Address cnt_addr(O3, cnt_addrlit.low10()); |
twisti@1162 | 63 | __ ld (cnt_addr, G4); |
duke@435 | 64 | __ andcc (G4, 1, G0); |
duke@435 | 65 | __ br (Assembler::notZero, false, Assembler::pn, label1); |
duke@435 | 66 | __ delayed()->srl (O2, 2, O4); |
duke@435 | 67 | __ ld_ptr (O1, 0, O5); |
duke@435 | 68 | |
duke@435 | 69 | assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); |
duke@435 | 70 | speculative_load_pclist[count] = __ pc(); |
duke@435 | 71 | switch (type) { |
duke@435 | 72 | case T_BOOLEAN: __ ldub (O5, O4, G3); break; |
duke@435 | 73 | case T_BYTE: __ ldsb (O5, O4, G3); break; |
duke@435 | 74 | case T_CHAR: __ lduh (O5, O4, G3); break; |
duke@435 | 75 | case T_SHORT: __ ldsh (O5, O4, G3); break; |
duke@435 | 76 | case T_INT: __ ld (O5, O4, G3); break; |
duke@435 | 77 | default: ShouldNotReachHere(); |
duke@435 | 78 | } |
duke@435 | 79 | |
twisti@1162 | 80 | __ ld (cnt_addr, O5); |
duke@435 | 81 | __ cmp (O5, G4); |
duke@435 | 82 | __ br (Assembler::notEqual, false, Assembler::pn, label2); |
duke@435 | 83 | __ delayed()->mov (O7, G1); |
duke@435 | 84 | __ retl (); |
duke@435 | 85 | __ delayed()->mov (G3, O0); |
duke@435 | 86 | |
duke@435 | 87 | slowcase_entry_pclist[count++] = __ pc(); |
duke@435 | 88 | __ bind (label1); |
duke@435 | 89 | __ mov (O7, G1); |
duke@435 | 90 | |
duke@435 | 91 | address slow_case_addr; |
duke@435 | 92 | switch (type) { |
duke@435 | 93 | case T_BOOLEAN: slow_case_addr = jni_GetBooleanField_addr(); break; |
duke@435 | 94 | case T_BYTE: slow_case_addr = jni_GetByteField_addr(); break; |
duke@435 | 95 | case T_CHAR: slow_case_addr = jni_GetCharField_addr(); break; |
duke@435 | 96 | case T_SHORT: slow_case_addr = jni_GetShortField_addr(); break; |
duke@435 | 97 | case T_INT: slow_case_addr = jni_GetIntField_addr(); break; |
duke@435 | 98 | default: ShouldNotReachHere(); |
duke@435 | 99 | } |
duke@435 | 100 | __ bind (label2); |
duke@435 | 101 | __ call (slow_case_addr, relocInfo::none); |
duke@435 | 102 | __ delayed()->mov (G1, O7); |
duke@435 | 103 | |
duke@435 | 104 | __ flush (); |
duke@435 | 105 | |
duke@435 | 106 | return fast_entry; |
duke@435 | 107 | } |
duke@435 | 108 | |
duke@435 | 109 | address JNI_FastGetField::generate_fast_get_boolean_field() { |
duke@435 | 110 | return generate_fast_get_int_field0(T_BOOLEAN); |
duke@435 | 111 | } |
duke@435 | 112 | |
duke@435 | 113 | address JNI_FastGetField::generate_fast_get_byte_field() { |
duke@435 | 114 | return generate_fast_get_int_field0(T_BYTE); |
duke@435 | 115 | } |
duke@435 | 116 | |
duke@435 | 117 | address JNI_FastGetField::generate_fast_get_char_field() { |
duke@435 | 118 | return generate_fast_get_int_field0(T_CHAR); |
duke@435 | 119 | } |
duke@435 | 120 | |
duke@435 | 121 | address JNI_FastGetField::generate_fast_get_short_field() { |
duke@435 | 122 | return generate_fast_get_int_field0(T_SHORT); |
duke@435 | 123 | } |
duke@435 | 124 | |
duke@435 | 125 | address JNI_FastGetField::generate_fast_get_int_field() { |
duke@435 | 126 | return generate_fast_get_int_field0(T_INT); |
duke@435 | 127 | } |
duke@435 | 128 | |
duke@435 | 129 | address JNI_FastGetField::generate_fast_get_long_field() { |
duke@435 | 130 | const char *name = "jni_fast_GetLongField"; |
duke@435 | 131 | ResourceMark rm; |
twisti@2103 | 132 | BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
twisti@2103 | 133 | CodeBuffer cbuf(blob); |
duke@435 | 134 | MacroAssembler* masm = new MacroAssembler(&cbuf); |
twisti@2103 | 135 | address fast_entry = __ pc(); |
duke@435 | 136 | |
duke@435 | 137 | Label label1, label2; |
duke@435 | 138 | |
twisti@1162 | 139 | AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
twisti@1162 | 140 | __ sethi (cnt_addrlit, G3); |
twisti@1162 | 141 | Address cnt_addr(G3, cnt_addrlit.low10()); |
twisti@1162 | 142 | __ ld (cnt_addr, G4); |
duke@435 | 143 | __ andcc (G4, 1, G0); |
duke@435 | 144 | __ br (Assembler::notZero, false, Assembler::pn, label1); |
duke@435 | 145 | __ delayed()->srl (O2, 2, O4); |
duke@435 | 146 | __ ld_ptr (O1, 0, O5); |
duke@435 | 147 | __ add (O5, O4, O5); |
duke@435 | 148 | |
duke@435 | 149 | #ifndef _LP64 |
duke@435 | 150 | assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small"); |
duke@435 | 151 | speculative_load_pclist[count++] = __ pc(); |
duke@435 | 152 | __ ld (O5, 0, G2); |
duke@435 | 153 | |
duke@435 | 154 | speculative_load_pclist[count] = __ pc(); |
duke@435 | 155 | __ ld (O5, 4, O3); |
duke@435 | 156 | #else |
duke@435 | 157 | assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); |
duke@435 | 158 | speculative_load_pclist[count] = __ pc(); |
duke@435 | 159 | __ ldx (O5, 0, O3); |
duke@435 | 160 | #endif |
duke@435 | 161 | |
twisti@1162 | 162 | __ ld (cnt_addr, G1); |
duke@435 | 163 | __ cmp (G1, G4); |
duke@435 | 164 | __ br (Assembler::notEqual, false, Assembler::pn, label2); |
duke@435 | 165 | __ delayed()->mov (O7, G1); |
duke@435 | 166 | |
duke@435 | 167 | #ifndef _LP64 |
duke@435 | 168 | __ mov (G2, O0); |
duke@435 | 169 | __ retl (); |
duke@435 | 170 | __ delayed()->mov (O3, O1); |
duke@435 | 171 | #else |
duke@435 | 172 | __ retl (); |
duke@435 | 173 | __ delayed()->mov (O3, O0); |
duke@435 | 174 | #endif |
duke@435 | 175 | |
duke@435 | 176 | #ifndef _LP64 |
duke@435 | 177 | slowcase_entry_pclist[count-1] = __ pc(); |
duke@435 | 178 | slowcase_entry_pclist[count++] = __ pc() ; |
duke@435 | 179 | #else |
duke@435 | 180 | slowcase_entry_pclist[count++] = __ pc(); |
duke@435 | 181 | #endif |
duke@435 | 182 | |
duke@435 | 183 | __ bind (label1); |
duke@435 | 184 | __ mov (O7, G1); |
duke@435 | 185 | |
duke@435 | 186 | address slow_case_addr = jni_GetLongField_addr(); |
duke@435 | 187 | __ bind (label2); |
duke@435 | 188 | __ call (slow_case_addr, relocInfo::none); |
duke@435 | 189 | __ delayed()->mov (G1, O7); |
duke@435 | 190 | |
duke@435 | 191 | __ flush (); |
duke@435 | 192 | |
duke@435 | 193 | return fast_entry; |
duke@435 | 194 | } |
duke@435 | 195 | |
duke@435 | 196 | address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) { |
duke@435 | 197 | const char *name; |
duke@435 | 198 | switch (type) { |
duke@435 | 199 | case T_FLOAT: name = "jni_fast_GetFloatField"; break; |
duke@435 | 200 | case T_DOUBLE: name = "jni_fast_GetDoubleField"; break; |
duke@435 | 201 | default: ShouldNotReachHere(); |
duke@435 | 202 | } |
duke@435 | 203 | ResourceMark rm; |
twisti@2103 | 204 | BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
twisti@2103 | 205 | CodeBuffer cbuf(blob); |
duke@435 | 206 | MacroAssembler* masm = new MacroAssembler(&cbuf); |
twisti@2103 | 207 | address fast_entry = __ pc(); |
duke@435 | 208 | |
duke@435 | 209 | Label label1, label2; |
duke@435 | 210 | |
twisti@1162 | 211 | AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
twisti@1162 | 212 | __ sethi (cnt_addrlit, O3); |
twisti@1162 | 213 | Address cnt_addr(O3, cnt_addrlit.low10()); |
twisti@1162 | 214 | __ ld (cnt_addr, G4); |
duke@435 | 215 | __ andcc (G4, 1, G0); |
duke@435 | 216 | __ br (Assembler::notZero, false, Assembler::pn, label1); |
duke@435 | 217 | __ delayed()->srl (O2, 2, O4); |
duke@435 | 218 | __ ld_ptr (O1, 0, O5); |
duke@435 | 219 | |
duke@435 | 220 | assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); |
duke@435 | 221 | speculative_load_pclist[count] = __ pc(); |
duke@435 | 222 | switch (type) { |
duke@435 | 223 | case T_FLOAT: __ ldf (FloatRegisterImpl::S, O5, O4, F0); break; |
duke@435 | 224 | case T_DOUBLE: __ ldf (FloatRegisterImpl::D, O5, O4, F0); break; |
duke@435 | 225 | default: ShouldNotReachHere(); |
duke@435 | 226 | } |
duke@435 | 227 | |
twisti@1162 | 228 | __ ld (cnt_addr, O5); |
duke@435 | 229 | __ cmp (O5, G4); |
duke@435 | 230 | __ br (Assembler::notEqual, false, Assembler::pn, label2); |
duke@435 | 231 | __ delayed()->mov (O7, G1); |
duke@435 | 232 | |
duke@435 | 233 | __ retl (); |
duke@435 | 234 | __ delayed()-> nop (); |
duke@435 | 235 | |
duke@435 | 236 | slowcase_entry_pclist[count++] = __ pc(); |
duke@435 | 237 | __ bind (label1); |
duke@435 | 238 | __ mov (O7, G1); |
duke@435 | 239 | |
duke@435 | 240 | address slow_case_addr; |
duke@435 | 241 | switch (type) { |
duke@435 | 242 | case T_FLOAT: slow_case_addr = jni_GetFloatField_addr(); break; |
duke@435 | 243 | case T_DOUBLE: slow_case_addr = jni_GetDoubleField_addr(); break; |
duke@435 | 244 | default: ShouldNotReachHere(); |
duke@435 | 245 | } |
duke@435 | 246 | __ bind (label2); |
duke@435 | 247 | __ call (slow_case_addr, relocInfo::none); |
duke@435 | 248 | __ delayed()->mov (G1, O7); |
duke@435 | 249 | |
duke@435 | 250 | __ flush (); |
duke@435 | 251 | |
duke@435 | 252 | return fast_entry; |
duke@435 | 253 | } |
duke@435 | 254 | |
duke@435 | 255 | address JNI_FastGetField::generate_fast_get_float_field() { |
duke@435 | 256 | return generate_fast_get_float_field0(T_FLOAT); |
duke@435 | 257 | } |
duke@435 | 258 | |
duke@435 | 259 | address JNI_FastGetField::generate_fast_get_double_field() { |
duke@435 | 260 | return generate_fast_get_float_field0(T_DOUBLE); |
duke@435 | 261 | } |