1 /* 2 * Copyright (c) 1999, 2022, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "c1/c1_Compilation.hpp" 27 #include "c1/c1_Compiler.hpp" 28 #include "c1/c1_FrameMap.hpp" 29 #include "c1/c1_GraphBuilder.hpp" 30 #include "c1/c1_LinearScan.hpp" 31 #include "c1/c1_MacroAssembler.hpp" 32 #include "c1/c1_Runtime1.hpp" 33 #include "c1/c1_ValueType.hpp" 34 #include "compiler/compileBroker.hpp" 35 #include "interpreter/linkResolver.hpp" 36 #include "jfr/support/jfrIntrinsics.hpp" 37 #include "memory/allocation.hpp" 38 #include "memory/allocation.inline.hpp" 39 #include "memory/resourceArea.hpp" 40 #include "runtime/interfaceSupport.inline.hpp" 41 #include "runtime/sharedRuntime.hpp" 42 #include "runtime/vm_version.hpp" 43 #include "sanitizers/leak.hpp" 44 #include "utilities/bitMap.inline.hpp" 45 #include "utilities/macros.hpp" 46 47 48 Compiler::Compiler() : AbstractCompiler(compiler_c1) { 49 } 50 51 void Compiler::init_c1_runtime() { 52 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); 53 Arena* arena = new (mtCompiler) Arena(mtCompiler); 54 // Ignore leaked arena, it is used by ValueType and Interval during initialization. 55 LSAN_IGNORE_OBJECT(arena); 56 Runtime1::initialize(buffer_blob); 57 FrameMap::initialize(); 58 // initialize data structures 59 ValueType::initialize(arena); 60 GraphBuilder::initialize(); 61 // note: to use more than one instance of LinearScan at a time this function call has to 62 // be moved somewhere outside of this constructor: 63 Interval::initialize(arena); 64 } 65 66 67 void Compiler::initialize() { 68 // Buffer blob must be allocated per C1 compiler thread at startup 69 BufferBlob* buffer_blob = init_buffer_blob(); 70 71 if (should_perform_init()) { 72 if (buffer_blob == NULL) { 73 // When we come here we are in state 'initializing'; entire C1 compilation 74 // can be shut down. 75 set_state(failed); 76 } else { 77 init_c1_runtime(); 78 set_state(initialized); 79 } 80 } 81 } 82 83 int Compiler::code_buffer_size() { 84 return Compilation::desired_max_code_buffer_size() + Compilation::desired_max_constant_size(); 85 } 86 87 BufferBlob* Compiler::init_buffer_blob() { 88 // Allocate buffer blob once at startup since allocation for each 89 // compilation seems to be too expensive (at least on Intel win32). 90 assert (CompilerThread::current()->get_buffer_blob() == NULL, "Should initialize only once"); 91 92 // setup CodeBuffer. Preallocate a BufferBlob of size 93 // NMethodSizeLimit plus some extra space for constants. 94 BufferBlob* buffer_blob = BufferBlob::create("C1 temporary CodeBuffer", code_buffer_size()); 95 if (buffer_blob != NULL) { 96 CompilerThread::current()->set_buffer_blob(buffer_blob); 97 } 98 99 return buffer_blob; 100 } 101 102 bool Compiler::is_intrinsic_supported(const methodHandle& method) { 103 vmIntrinsics::ID id = method->intrinsic_id(); 104 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 105 106 if (method->is_synchronized()) { 107 // C1 does not support intrinsification of synchronized methods. 108 return false; 109 } 110 111 switch (id) { 112 case vmIntrinsics::_compareAndSetLong: 113 if (!VM_Version::supports_cx8()) return false; 114 break; 115 case vmIntrinsics::_getAndAddInt: 116 if (!VM_Version::supports_atomic_getadd4()) return false; 117 break; 118 case vmIntrinsics::_getAndAddLong: 119 if (!VM_Version::supports_atomic_getadd8()) return false; 120 break; 121 case vmIntrinsics::_getAndSetInt: 122 if (!VM_Version::supports_atomic_getset4()) return false; 123 break; 124 case vmIntrinsics::_getAndSetLong: 125 if (!VM_Version::supports_atomic_getset8()) return false; 126 break; 127 case vmIntrinsics::_getAndSetReference: 128 #ifdef _LP64 129 if (!UseCompressedOops && !VM_Version::supports_atomic_getset8()) return false; 130 if (UseCompressedOops && !VM_Version::supports_atomic_getset4()) return false; 131 #else 132 if (!VM_Version::supports_atomic_getset4()) return false; 133 #endif 134 break; 135 case vmIntrinsics::_onSpinWait: 136 if (!VM_Version::supports_on_spin_wait()) return false; 137 break; 138 case vmIntrinsics::_arraycopy: 139 case vmIntrinsics::_currentTimeMillis: 140 case vmIntrinsics::_nanoTime: 141 case vmIntrinsics::_Reference_get: 142 // Use the intrinsic version of Reference.get() so that the value in 143 // the referent field can be registered by the G1 pre-barrier code. 144 // Also to prevent commoning reads from this field across safepoint 145 // since GC can change its value. 146 case vmIntrinsics::_loadFence: 147 case vmIntrinsics::_storeFence: 148 case vmIntrinsics::_storeStoreFence: 149 case vmIntrinsics::_fullFence: 150 case vmIntrinsics::_floatToRawIntBits: 151 case vmIntrinsics::_intBitsToFloat: 152 case vmIntrinsics::_doubleToRawLongBits: 153 case vmIntrinsics::_longBitsToDouble: 154 case vmIntrinsics::_getClass: 155 case vmIntrinsics::_isInstance: 156 case vmIntrinsics::_isPrimitive: 157 case vmIntrinsics::_getModifiers: 158 case vmIntrinsics::_currentCarrierThread: 159 case vmIntrinsics::_currentThread: 160 case vmIntrinsics::_scopedValueCache: 161 case vmIntrinsics::_dabs: 162 case vmIntrinsics::_dsqrt: 163 case vmIntrinsics::_dsqrt_strict: 164 case vmIntrinsics::_dsin: 165 case vmIntrinsics::_dcos: 166 case vmIntrinsics::_dtan: 167 case vmIntrinsics::_dlog: 168 case vmIntrinsics::_dlog10: 169 case vmIntrinsics::_dexp: 170 case vmIntrinsics::_dpow: 171 case vmIntrinsics::_fmaD: 172 case vmIntrinsics::_fmaF: 173 case vmIntrinsics::_getReference: 174 case vmIntrinsics::_getBoolean: 175 case vmIntrinsics::_getByte: 176 case vmIntrinsics::_getShort: 177 case vmIntrinsics::_getChar: 178 case vmIntrinsics::_getInt: 179 case vmIntrinsics::_getLong: 180 case vmIntrinsics::_getFloat: 181 case vmIntrinsics::_getDouble: 182 case vmIntrinsics::_putReference: 183 case vmIntrinsics::_putBoolean: 184 case vmIntrinsics::_putByte: 185 case vmIntrinsics::_putShort: 186 case vmIntrinsics::_putChar: 187 case vmIntrinsics::_putInt: 188 case vmIntrinsics::_putLong: 189 case vmIntrinsics::_putFloat: 190 case vmIntrinsics::_putDouble: 191 case vmIntrinsics::_getReferenceVolatile: 192 case vmIntrinsics::_getBooleanVolatile: 193 case vmIntrinsics::_getByteVolatile: 194 case vmIntrinsics::_getShortVolatile: 195 case vmIntrinsics::_getCharVolatile: 196 case vmIntrinsics::_getIntVolatile: 197 case vmIntrinsics::_getLongVolatile: 198 case vmIntrinsics::_getFloatVolatile: 199 case vmIntrinsics::_getDoubleVolatile: 200 case vmIntrinsics::_putReferenceVolatile: 201 case vmIntrinsics::_putBooleanVolatile: 202 case vmIntrinsics::_putByteVolatile: 203 case vmIntrinsics::_putShortVolatile: 204 case vmIntrinsics::_putCharVolatile: 205 case vmIntrinsics::_putIntVolatile: 206 case vmIntrinsics::_putLongVolatile: 207 case vmIntrinsics::_putFloatVolatile: 208 case vmIntrinsics::_putDoubleVolatile: 209 case vmIntrinsics::_getShortUnaligned: 210 case vmIntrinsics::_getCharUnaligned: 211 case vmIntrinsics::_getIntUnaligned: 212 case vmIntrinsics::_getLongUnaligned: 213 case vmIntrinsics::_putShortUnaligned: 214 case vmIntrinsics::_putCharUnaligned: 215 case vmIntrinsics::_putIntUnaligned: 216 case vmIntrinsics::_putLongUnaligned: 217 case vmIntrinsics::_Preconditions_checkIndex: 218 case vmIntrinsics::_Preconditions_checkLongIndex: 219 case vmIntrinsics::_updateCRC32: 220 case vmIntrinsics::_updateBytesCRC32: 221 case vmIntrinsics::_updateByteBufferCRC32: 222 #if defined(S390) || defined(PPC64) || defined(AARCH64) 223 case vmIntrinsics::_updateBytesCRC32C: 224 case vmIntrinsics::_updateDirectByteBufferCRC32C: 225 #endif 226 case vmIntrinsics::_vectorizedMismatch: 227 case vmIntrinsics::_compareAndSetInt: 228 case vmIntrinsics::_compareAndSetReference: 229 case vmIntrinsics::_getCharStringU: 230 case vmIntrinsics::_putCharStringU: 231 #ifdef JFR_HAVE_INTRINSICS 232 case vmIntrinsics::_counterTime: 233 #endif 234 case vmIntrinsics::_getObjectSize: 235 break; 236 case vmIntrinsics::_blackhole: 237 break; 238 default: 239 return false; // Intrinsics not on the previous list are not available. 240 } 241 242 return true; 243 } 244 245 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci, bool install_code, DirectiveSet* directive) { 246 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); 247 assert(buffer_blob != NULL, "Must exist"); 248 // invoke compilation 249 { 250 // We are nested here because we need for the destructor 251 // of Compilation to occur before we release the any 252 // competing compiler thread 253 ResourceMark rm; 254 Compilation c(this, env, method, entry_bci, buffer_blob, install_code, directive); 255 } 256 } 257 258 259 void Compiler::print_timers() { 260 Compilation::print_timers(); 261 }