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Issue 10542079: Implement Smi binops ia32 (new compiler). (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 6 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, 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/code_generator.h" 5 #include "vm/code_generator.h"
6 6
7 #include "vm/assembler_macros.h" 7 #include "vm/assembler_macros.h"
8 #include "vm/code_patcher.h" 8 #include "vm/code_patcher.h"
9 #include "vm/compiler.h" 9 #include "vm/compiler.h"
10 #include "vm/dart_api_impl.h" 10 #include "vm/dart_api_impl.h"
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1387 if (FLAG_trace_patching) { 1387 if (FLAG_trace_patching) {
1388 OS::Print("FixCallersTarget: patching from 0x%x to '%s' 0x%x\n", 1388 OS::Print("FixCallersTarget: patching from 0x%x to '%s' 0x%x\n",
1389 frame->pc(), 1389 frame->pc(),
1390 target_function.ToFullyQualifiedCString(), 1390 target_function.ToFullyQualifiedCString(),
1391 new_entry_point); 1391 new_entry_point);
1392 } 1392 }
1393 } 1393 }
1394 } 1394 }
1395 1395
1396 1396
1397 static const char* DeoptReasonToText(intptr_t deopt_id) {
1398 switch (deopt_id) {
1399 case kDeoptUnknown: return "kDeoptUnknown";
1400 case kDeoptIncrLocal: return "kDeoptIncrLocal";
1401 case kDeoptIncrInstance: return "kDeoptIncrInstance";
1402 case kDeoptIncrInstanceOneClass: return "kDeoptIncrInstanceOneClass";
1403 case kDeoptInstanceGetterSameTarget:
1404 return "kDeoptInstanceGetterSameTarget";
1405 case kDeoptInstanceGetter: return "kDeoptInstanceGetter";
1406 case kDeoptStoreIndexed: return "kDeoptStoreIndexed";
1407 case kDeoptCheckedInstanceCallSmiOnly:
1408 return "kDeoptCheckedInstanceCallSmiOnly";
1409 case kDeoptCheckedInstanceCallSmiFail:
1410 return "kDeoptCheckedInstanceCallSmiFail";
1411 case kDeoptCheckedInstanceCallCheckFail:
1412 return "kDeoptCheckedInstanceCallCheckFail";
1413 case kDeoptIntegerToDouble: return "kDeoptIntegerToDouble";
1414 case kDeoptDoubleToDouble: return "kDeoptDoubleToDouble";
1415 case kDeoptSmiBinaryOp: return "kDeoptSmiBinaryOp";
1416 case kDeoptMintBinaryOp: return "kDeoptMintBinaryOp";
1417 case kDeoptDoubleBinaryOp: return "kDeoptDoubleBinaryOp";
1418 case kDeoptInstanceSetterSameTarget:
1419 return "kDeoptInstanceSetterSameTarget";
1420 case kDeoptInstanceSetter: return "kDeoptInstanceSetter";
1421 case kDeoptSmiEquality: return "kDeoptSmiEquality";
1422 case kDeoptSmiCompareSmis: return "kDeoptSmiCompareSmis";
1423 case kDeoptSmiCompareAny: return "kDeoptSmiCompareAny";
1424 case kDeoptEqualityNoFeedback: return "kDeoptEqualityNoFeedback";
1425 case kDeoptEqualityClassCheck: return "kDeoptEqualityClassCheck";
1426 case kDeoptDoubleComparison: return "kDeoptDoubleComparison";
1427 case kDeoptLoadIndexedFixedArray: return "kDeoptLoadIndexedFixedArray";
1428 case kDeoptLoadIndexedGrowableArray:
1429 return "kDeoptLoadIndexedGrowableArray";
1430 case kDeoptNoTypeFeedback: return "kDeoptNoTypeFeedback";
1431 case kDeoptSAR: return "kDeoptSAR";
1432 case kDeoptUnaryOp: return "kDeoptUnaryOp";
1433 default:
1434 UNREACHABLE();
1435 return "";
1436 }
1437 }
1438
1439
1397 // The top Dart frame belongs to the optimized method that needs to be 1440 // The top Dart frame belongs to the optimized method that needs to be
1398 // deoptimized. The pc of the Dart frame points to the deoptimization point. 1441 // deoptimized. The pc of the Dart frame points to the deoptimization point.
1399 // Find the node id of the deoptimization point and find the continuation 1442 // Find the node id of the deoptimization point and find the continuation
1400 // pc in the unoptimized code. 1443 // pc in the unoptimized code.
1401 // Since both unoptimized and optimized code have the same layout, we need only 1444 // Since both unoptimized and optimized code have the same layout, we need only
1402 // to patch the pc of the Dart frame and to disable/enable appropriate code. 1445 // to patch the pc of the Dart frame and to disable/enable appropriate code.
1403 DEFINE_RUNTIME_ENTRY(Deoptimize, 1) { 1446 DEFINE_RUNTIME_ENTRY(Deoptimize, 1) {
1404 ASSERT(arguments.Count() == kDeoptimizeRuntimeEntry.argument_count()); 1447 ASSERT(arguments.Count() == kDeoptimizeRuntimeEntry.argument_count());
1405 const Smi& deoptimization_reason_id = Smi::CheckedHandle(arguments.At(0)); 1448 const Smi& deoptimization_reason_id = Smi::CheckedHandle(arguments.At(0));
1406 DartFrameIterator iterator; 1449 DartFrameIterator iterator;
(...skipping 16 matching lines...) Expand all
1423 deopt_node_id = descriptors.NodeId(i); 1466 deopt_node_id = descriptors.NodeId(i);
1424 deopt_token_index = descriptors.TokenIndex(i); 1467 deopt_token_index = descriptors.TokenIndex(i);
1425 break; 1468 break;
1426 } 1469 }
1427 } 1470 }
1428 ASSERT(deopt_node_id != AstNode::kNoId); 1471 ASSERT(deopt_node_id != AstNode::kNoId);
1429 uword continue_at_pc = 1472 uword continue_at_pc =
1430 unoptimized_code.GetDeoptPcAtNodeId(deopt_node_id); 1473 unoptimized_code.GetDeoptPcAtNodeId(deopt_node_id);
1431 ASSERT(continue_at_pc != 0); 1474 ASSERT(continue_at_pc != 0);
1432 if (FLAG_trace_deopt) { 1475 if (FLAG_trace_deopt) {
1433 OS::Print("Deoptimizing (reason %d) at pc 0x%x id %d '%s' " 1476 OS::Print("Deoptimizing (reason %d '%s') at pc 0x%x id %d '%s' "
1434 "-> continue at 0x%x \n", 1477 "-> continue at 0x%x \n",
1435 deoptimization_reason_id.Value(), 1478 deoptimization_reason_id.Value(),
1479 DeoptReasonToText(deoptimization_reason_id.Value()),
1436 caller_frame->pc(), 1480 caller_frame->pc(),
1437 deopt_node_id, 1481 deopt_node_id,
1438 function.ToFullyQualifiedCString(), 1482 function.ToFullyQualifiedCString(),
1439 continue_at_pc); 1483 continue_at_pc);
1440 const Class& cls = Class::Handle(function.owner()); 1484 const Class& cls = Class::Handle(function.owner());
1441 const Script& script = Script::Handle(cls.script()); 1485 const Script& script = Script::Handle(cls.script());
1442 intptr_t line, column; 1486 intptr_t line, column;
1443 script.GetTokenLocation(deopt_token_index, &line, &column); 1487 script.GetTokenLocation(deopt_token_index, &line, &column);
1444 OS::Print(" Line: %d Column: %d ", line, column); 1488 OS::Print(" Line: %d Column: %d ", line, column);
1445 OS::Print(">> %s\n", String::Handle(script.GetLine(line)).ToCString()); 1489 OS::Print(">> %s\n", String::Handle(script.GetLine(line)).ToCString());
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1555 } 1599 }
1556 } 1600 }
1557 } 1601 }
1558 // The cache is null terminated, therefore the loop above should never 1602 // The cache is null terminated, therefore the loop above should never
1559 // terminate by itself. 1603 // terminate by itself.
1560 UNREACHABLE(); 1604 UNREACHABLE();
1561 return Code::null(); 1605 return Code::null();
1562 } 1606 }
1563 1607
1564 } // namespace dart 1608 } // namespace dart
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