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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/flow_graph_compiler.h" | 8 #include "vm/flow_graph_compiler.h" |
9 | 9 |
10 #include "vm/ast_printer.h" | 10 #include "vm/ast_printer.h" |
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1165 const StubEntry& stub_entry, | 1165 const StubEntry& stub_entry, |
1166 RawPcDescriptors::Kind kind, | 1166 RawPcDescriptors::Kind kind, |
1167 LocationSummary* locs) { | 1167 LocationSummary* locs) { |
1168 __ CallPatchable(stub_entry); | 1168 __ CallPatchable(stub_entry); |
1169 AddCurrentDescriptor(kind, deopt_id, token_pos); | 1169 AddCurrentDescriptor(kind, deopt_id, token_pos); |
1170 RecordSafepoint(locs); | 1170 RecordSafepoint(locs); |
1171 // Marks either the continuation point in unoptimized code or the | 1171 // Marks either the continuation point in unoptimized code or the |
1172 // deoptimization point in optimized code, after call. | 1172 // deoptimization point in optimized code, after call. |
1173 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); | 1173 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); |
1174 if (is_optimizing()) { | 1174 if (is_optimizing()) { |
1175 AddDeoptIndexAtCall(deopt_id_after, token_pos); | 1175 AddDeoptIndexAtCall(deopt_id_after); |
1176 } else { | 1176 } else { |
1177 // Add deoptimization continuation point after the call and before the | 1177 // Add deoptimization continuation point after the call and before the |
1178 // arguments are removed. | 1178 // arguments are removed. |
1179 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); | 1179 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); |
1180 } | 1180 } |
1181 } | 1181 } |
1182 | 1182 |
1183 | 1183 |
1184 void FlowGraphCompiler::GenerateStaticDartCall(intptr_t deopt_id, | 1184 void FlowGraphCompiler::GenerateStaticDartCall(intptr_t deopt_id, |
1185 TokenPosition token_pos, | 1185 TokenPosition token_pos, |
1186 const StubEntry& stub_entry, | 1186 const StubEntry& stub_entry, |
1187 RawPcDescriptors::Kind kind, | 1187 RawPcDescriptors::Kind kind, |
1188 LocationSummary* locs, | 1188 LocationSummary* locs, |
1189 const Function& target) { | 1189 const Function& target) { |
1190 // Call sites to the same target can share object pool entries. These | 1190 // Call sites to the same target can share object pool entries. These |
1191 // call sites are never patched for breakpoints: the function is deoptimized | 1191 // call sites are never patched for breakpoints: the function is deoptimized |
1192 // and the unoptimized code with IC calls for static calls is patched instead. | 1192 // and the unoptimized code with IC calls for static calls is patched instead. |
1193 ASSERT(is_optimizing()); | 1193 ASSERT(is_optimizing()); |
1194 __ CallWithEquivalence(stub_entry, target); | 1194 __ CallWithEquivalence(stub_entry, target); |
1195 | 1195 |
1196 AddCurrentDescriptor(kind, deopt_id, token_pos); | 1196 AddCurrentDescriptor(kind, deopt_id, token_pos); |
1197 RecordSafepoint(locs); | 1197 RecordSafepoint(locs); |
1198 // Marks either the continuation point in unoptimized code or the | 1198 // Marks either the continuation point in unoptimized code or the |
1199 // deoptimization point in optimized code, after call. | 1199 // deoptimization point in optimized code, after call. |
1200 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); | 1200 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); |
1201 if (is_optimizing()) { | 1201 if (is_optimizing()) { |
1202 AddDeoptIndexAtCall(deopt_id_after, token_pos); | 1202 AddDeoptIndexAtCall(deopt_id_after); |
1203 } else { | 1203 } else { |
1204 // Add deoptimization continuation point after the call and before the | 1204 // Add deoptimization continuation point after the call and before the |
1205 // arguments are removed. | 1205 // arguments are removed. |
1206 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); | 1206 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); |
1207 } | 1207 } |
1208 AddStaticCallTarget(target); | 1208 AddStaticCallTarget(target); |
1209 } | 1209 } |
1210 | 1210 |
1211 | 1211 |
1212 void FlowGraphCompiler::GenerateRuntimeCall(TokenPosition token_pos, | 1212 void FlowGraphCompiler::GenerateRuntimeCall(TokenPosition token_pos, |
1213 intptr_t deopt_id, | 1213 intptr_t deopt_id, |
1214 const RuntimeEntry& entry, | 1214 const RuntimeEntry& entry, |
1215 intptr_t argument_count, | 1215 intptr_t argument_count, |
1216 LocationSummary* locs) { | 1216 LocationSummary* locs) { |
1217 __ CallRuntime(entry, argument_count); | 1217 __ CallRuntime(entry, argument_count); |
1218 AddCurrentDescriptor(RawPcDescriptors::kOther, deopt_id, token_pos); | 1218 AddCurrentDescriptor(RawPcDescriptors::kOther, deopt_id, token_pos); |
1219 RecordSafepoint(locs); | 1219 RecordSafepoint(locs); |
1220 if (deopt_id != Thread::kNoDeoptId) { | 1220 if (deopt_id != Thread::kNoDeoptId) { |
1221 // Marks either the continuation point in unoptimized code or the | 1221 // Marks either the continuation point in unoptimized code or the |
1222 // deoptimization point in optimized code, after call. | 1222 // deoptimization point in optimized code, after call. |
1223 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); | 1223 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); |
1224 if (is_optimizing()) { | 1224 if (is_optimizing()) { |
1225 AddDeoptIndexAtCall(deopt_id_after, token_pos); | 1225 AddDeoptIndexAtCall(deopt_id_after); |
1226 } else { | 1226 } else { |
1227 // Add deoptimization continuation point after the call and before the | 1227 // Add deoptimization continuation point after the call and before the |
1228 // arguments are removed. | 1228 // arguments are removed. |
1229 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); | 1229 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); |
1230 } | 1230 } |
1231 } | 1231 } |
1232 } | 1232 } |
1233 | 1233 |
1234 | 1234 |
1235 void FlowGraphCompiler::EmitUnoptimizedStaticCall( | 1235 void FlowGraphCompiler::EmitUnoptimizedStaticCall( |
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1353 try_index = CurrentTryIndex(); | 1353 try_index = CurrentTryIndex(); |
1354 } | 1354 } |
1355 pc_descriptors_list()->AddDescriptor(RawPcDescriptors::kOther, | 1355 pc_descriptors_list()->AddDescriptor(RawPcDescriptors::kOther, |
1356 assembler()->CodeSize(), | 1356 assembler()->CodeSize(), |
1357 Thread::kNoDeoptId, | 1357 Thread::kNoDeoptId, |
1358 token_pos, | 1358 token_pos, |
1359 try_index); | 1359 try_index); |
1360 } else if (is_optimizing()) { | 1360 } else if (is_optimizing()) { |
1361 AddCurrentDescriptor(RawPcDescriptors::kOther, | 1361 AddCurrentDescriptor(RawPcDescriptors::kOther, |
1362 Thread::kNoDeoptId, token_pos); | 1362 Thread::kNoDeoptId, token_pos); |
1363 AddDeoptIndexAtCall(deopt_id_after, token_pos); | 1363 AddDeoptIndexAtCall(deopt_id_after); |
1364 } else { | 1364 } else { |
1365 AddCurrentDescriptor(RawPcDescriptors::kOther, | 1365 AddCurrentDescriptor(RawPcDescriptors::kOther, |
1366 Thread::kNoDeoptId, token_pos); | 1366 Thread::kNoDeoptId, token_pos); |
1367 // Add deoptimization continuation point after the call and before the | 1367 // Add deoptimization continuation point after the call and before the |
1368 // arguments are removed. | 1368 // arguments are removed. |
1369 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); | 1369 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); |
1370 } | 1370 } |
1371 __ Drop(argument_count, RCX); | 1371 __ Drop(argument_count, RCX); |
1372 } | 1372 } |
1373 | 1373 |
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1387 __ LoadUniqueObject(RBX, ic_data); | 1387 __ LoadUniqueObject(RBX, ic_data); |
1388 __ LoadUniqueObject(CODE_REG, initial_stub); | 1388 __ LoadUniqueObject(CODE_REG, initial_stub); |
1389 __ movq(RCX, FieldAddress(CODE_REG, Code::checked_entry_point_offset())); | 1389 __ movq(RCX, FieldAddress(CODE_REG, Code::checked_entry_point_offset())); |
1390 __ call(RCX); | 1390 __ call(RCX); |
1391 | 1391 |
1392 AddCurrentDescriptor(RawPcDescriptors::kOther, | 1392 AddCurrentDescriptor(RawPcDescriptors::kOther, |
1393 Thread::kNoDeoptId, token_pos); | 1393 Thread::kNoDeoptId, token_pos); |
1394 RecordSafepoint(locs); | 1394 RecordSafepoint(locs); |
1395 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); | 1395 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); |
1396 if (is_optimizing()) { | 1396 if (is_optimizing()) { |
1397 AddDeoptIndexAtCall(deopt_id_after, token_pos); | 1397 AddDeoptIndexAtCall(deopt_id_after); |
1398 } else { | 1398 } else { |
1399 // Add deoptimization continuation point after the call and before the | 1399 // Add deoptimization continuation point after the call and before the |
1400 // arguments are removed. | 1400 // arguments are removed. |
1401 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); | 1401 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); |
1402 } | 1402 } |
1403 __ Drop(argument_count, RCX); | 1403 __ Drop(argument_count, RCX); |
1404 } | 1404 } |
1405 | 1405 |
1406 | 1406 |
1407 void FlowGraphCompiler::EmitOptimizedStaticCall( | 1407 void FlowGraphCompiler::EmitOptimizedStaticCall( |
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1864 __ movups(reg, Address(RSP, 0)); | 1864 __ movups(reg, Address(RSP, 0)); |
1865 __ AddImmediate(RSP, Immediate(kFpuRegisterSize)); | 1865 __ AddImmediate(RSP, Immediate(kFpuRegisterSize)); |
1866 } | 1866 } |
1867 | 1867 |
1868 | 1868 |
1869 #undef __ | 1869 #undef __ |
1870 | 1870 |
1871 } // namespace dart | 1871 } // namespace dart |
1872 | 1872 |
1873 #endif // defined TARGET_ARCH_X64 | 1873 #endif // defined TARGET_ARCH_X64 |
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