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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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1218 uword label_address = 0; | 1218 uword label_address = 0; |
1219 StubCode* stub_code = isolate()->stub_code(); | 1219 StubCode* stub_code = isolate()->stub_code(); |
1220 if (ic_data.NumArgsTested() == 0) { | 1220 if (ic_data.NumArgsTested() == 0) { |
1221 label_address = stub_code->ZeroArgsUnoptimizedStaticCallEntryPoint(); | 1221 label_address = stub_code->ZeroArgsUnoptimizedStaticCallEntryPoint(); |
1222 } else if (ic_data.NumArgsTested() == 2) { | 1222 } else if (ic_data.NumArgsTested() == 2) { |
1223 label_address = stub_code->TwoArgsUnoptimizedStaticCallEntryPoint(); | 1223 label_address = stub_code->TwoArgsUnoptimizedStaticCallEntryPoint(); |
1224 } else { | 1224 } else { |
1225 UNIMPLEMENTED(); | 1225 UNIMPLEMENTED(); |
1226 } | 1226 } |
1227 ExternalLabel target_label(label_address); | 1227 ExternalLabel target_label(label_address); |
1228 __ movq(R10, Immediate(0)); | |
1229 __ LoadObject(RBX, ic_data, PP); | 1228 __ LoadObject(RBX, ic_data, PP); |
1230 GenerateDartCall(deopt_id, | 1229 GenerateDartCall(deopt_id, |
1231 token_pos, | 1230 token_pos, |
1232 &target_label, | 1231 &target_label, |
1233 RawPcDescriptors::kUnoptStaticCall, | 1232 RawPcDescriptors::kUnoptStaticCall, |
1234 locs); | 1233 locs); |
1235 __ Drop(argument_count); | 1234 __ Drop(argument_count); |
1236 #if defined(DEBUG) | 1235 #if defined(DEBUG) |
| 1236 __ movq(RBX, Immediate(kInvalidObjectPointer)); |
1237 __ movq(R10, Immediate(kInvalidObjectPointer)); | 1237 __ movq(R10, Immediate(kInvalidObjectPointer)); |
1238 #endif | 1238 #endif |
1239 } | 1239 } |
1240 | 1240 |
1241 | 1241 |
1242 void FlowGraphCompiler::EmitEdgeCounter() { | 1242 void FlowGraphCompiler::EmitEdgeCounter() { |
1243 // We do not check for overflow when incrementing the edge counter. The | 1243 // We do not check for overflow when incrementing the edge counter. The |
1244 // function should normally be optimized long before the counter can | 1244 // function should normally be optimized long before the counter can |
1245 // overflow; and though we do not reset the counters when we optimize or | 1245 // overflow; and though we do not reset the counters when we optimize or |
1246 // deoptimize, there is a bound on the number of | 1246 // deoptimize, there is a bound on the number of |
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1279 } | 1279 } |
1280 | 1280 |
1281 | 1281 |
1282 void FlowGraphCompiler::EmitInstanceCall(ExternalLabel* target_label, | 1282 void FlowGraphCompiler::EmitInstanceCall(ExternalLabel* target_label, |
1283 const ICData& ic_data, | 1283 const ICData& ic_data, |
1284 intptr_t argument_count, | 1284 intptr_t argument_count, |
1285 intptr_t deopt_id, | 1285 intptr_t deopt_id, |
1286 intptr_t token_pos, | 1286 intptr_t token_pos, |
1287 LocationSummary* locs) { | 1287 LocationSummary* locs) { |
1288 ASSERT(Array::Handle(ic_data.arguments_descriptor()).Length() > 0); | 1288 ASSERT(Array::Handle(ic_data.arguments_descriptor()).Length() > 0); |
1289 __ movq(R10, Immediate(0)); | |
1290 __ LoadObject(RBX, ic_data, PP); | 1289 __ LoadObject(RBX, ic_data, PP); |
1291 GenerateDartCall(deopt_id, | 1290 GenerateDartCall(deopt_id, |
1292 token_pos, | 1291 token_pos, |
1293 target_label, | 1292 target_label, |
1294 RawPcDescriptors::kIcCall, | 1293 RawPcDescriptors::kIcCall, |
1295 locs); | 1294 locs); |
1296 __ Drop(argument_count); | 1295 __ Drop(argument_count); |
1297 #if defined(DEBUG) | 1296 #if defined(DEBUG) |
1298 __ movq(R10, Immediate(kInvalidObjectPointer)); | 1297 __ movq(R10, Immediate(kInvalidObjectPointer)); |
1299 #endif | 1298 #endif |
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1422 Register right, | 1421 Register right, |
1423 bool needs_number_check, | 1422 bool needs_number_check, |
1424 intptr_t token_pos) { | 1423 intptr_t token_pos) { |
1425 if (needs_number_check) { | 1424 if (needs_number_check) { |
1426 StubCode* stub_code = isolate()->stub_code(); | 1425 StubCode* stub_code = isolate()->stub_code(); |
1427 __ pushq(left); | 1426 __ pushq(left); |
1428 __ pushq(right); | 1427 __ pushq(right); |
1429 if (is_optimizing()) { | 1428 if (is_optimizing()) { |
1430 __ CallPatchable(&stub_code->OptimizedIdenticalWithNumberCheckLabel()); | 1429 __ CallPatchable(&stub_code->OptimizedIdenticalWithNumberCheckLabel()); |
1431 } else { | 1430 } else { |
1432 __ movq(R10, Immediate(0)); | |
1433 __ movq(RBX, Immediate(0)); | |
1434 __ CallPatchable(&stub_code->UnoptimizedIdenticalWithNumberCheckLabel()); | 1431 __ CallPatchable(&stub_code->UnoptimizedIdenticalWithNumberCheckLabel()); |
1435 } | 1432 } |
1436 if (token_pos != Scanner::kNoSourcePos) { | 1433 if (token_pos != Scanner::kNoSourcePos) { |
1437 AddCurrentDescriptor(RawPcDescriptors::kRuntimeCall, | 1434 AddCurrentDescriptor(RawPcDescriptors::kRuntimeCall, |
1438 Isolate::kNoDeoptId, | 1435 Isolate::kNoDeoptId, |
1439 token_pos); | 1436 token_pos); |
1440 } | 1437 } |
1441 #if defined(DEBUG) | 1438 #if defined(DEBUG) |
1442 // Do this *after* adding the pc descriptor! | 1439 // Do this *after* adding the pc descriptor! |
1443 if (!is_optimizing()) { | 1440 if (!is_optimizing()) { |
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1729 __ movups(reg, Address(RSP, 0)); | 1726 __ movups(reg, Address(RSP, 0)); |
1730 __ AddImmediate(RSP, Immediate(kFpuRegisterSize), PP); | 1727 __ AddImmediate(RSP, Immediate(kFpuRegisterSize), PP); |
1731 } | 1728 } |
1732 | 1729 |
1733 | 1730 |
1734 #undef __ | 1731 #undef __ |
1735 | 1732 |
1736 } // namespace dart | 1733 } // namespace dart |
1737 | 1734 |
1738 #endif // defined TARGET_ARCH_X64 | 1735 #endif // defined TARGET_ARCH_X64 |
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