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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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6698 | 6698 |
6699 | 6699 |
6700 int HOptimizedGraphBuilder::InliningAstSize(Handle<JSFunction> target) { | 6700 int HOptimizedGraphBuilder::InliningAstSize(Handle<JSFunction> target) { |
6701 if (!FLAG_use_inlining) return kNotInlinable; | 6701 if (!FLAG_use_inlining) return kNotInlinable; |
6702 | 6702 |
6703 // Precondition: call is monomorphic and we have found a target with the | 6703 // Precondition: call is monomorphic and we have found a target with the |
6704 // appropriate arity. | 6704 // appropriate arity. |
6705 Handle<JSFunction> caller = current_info()->closure(); | 6705 Handle<JSFunction> caller = current_info()->closure(); |
6706 Handle<SharedFunctionInfo> target_shared(target->shared()); | 6706 Handle<SharedFunctionInfo> target_shared(target->shared()); |
6707 | 6707 |
| 6708 // Always inline builtins marked for inlining. |
| 6709 if (target->IsBuiltin()) { |
| 6710 return target_shared->inline_builtin() ? 0 : kNotInlinable; |
| 6711 } |
| 6712 |
6708 // Do a quick check on source code length to avoid parsing large | 6713 // Do a quick check on source code length to avoid parsing large |
6709 // inlining candidates. | 6714 // inlining candidates. |
6710 if (target_shared->SourceSize() > | 6715 if (target_shared->SourceSize() > |
6711 Min(FLAG_max_inlined_source_size, kUnlimitedMaxInlinedSourceSize)) { | 6716 Min(FLAG_max_inlined_source_size, kUnlimitedMaxInlinedSourceSize)) { |
6712 TraceInline(target, caller, "target text too big"); | 6717 TraceInline(target, caller, "target text too big"); |
6713 return kNotInlinable; | 6718 return kNotInlinable; |
6714 } | 6719 } |
6715 | 6720 |
6716 // Target must be inlineable. | 6721 // Target must be inlineable. |
6717 if (!target->IsInlineable()) { | 6722 if (!target_shared->IsInlineable()) { |
6718 TraceInline(target, caller, "target not inlineable"); | 6723 TraceInline(target, caller, "target not inlineable"); |
6719 return kNotInlinable; | 6724 return kNotInlinable; |
6720 } | 6725 } |
6721 if (target_shared->dont_inline() || target_shared->dont_optimize()) { | 6726 if (target_shared->dont_inline() || target_shared->dont_optimize()) { |
6722 TraceInline(target, caller, "target contains unsupported syntax [early]"); | 6727 TraceInline(target, caller, "target contains unsupported syntax [early]"); |
6723 return kNotInlinable; | 6728 return kNotInlinable; |
6724 } | 6729 } |
6725 | 6730 |
6726 int nodes_added = target_shared->ast_node_count(); | 6731 int nodes_added = target_shared->ast_node_count(); |
6727 return nodes_added; | 6732 return nodes_added; |
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7087 BuiltinFunctionId id = expr->target()->shared()->builtin_function_id(); | 7092 BuiltinFunctionId id = expr->target()->shared()->builtin_function_id(); |
7088 switch (id) { | 7093 switch (id) { |
7089 case kMathExp: | 7094 case kMathExp: |
7090 if (!FLAG_fast_math) break; | 7095 if (!FLAG_fast_math) break; |
7091 // Fall through if FLAG_fast_math. | 7096 // Fall through if FLAG_fast_math. |
7092 case kMathRound: | 7097 case kMathRound: |
7093 case kMathFloor: | 7098 case kMathFloor: |
7094 case kMathAbs: | 7099 case kMathAbs: |
7095 case kMathSqrt: | 7100 case kMathSqrt: |
7096 case kMathLog: | 7101 case kMathLog: |
7097 case kMathSin: | |
7098 case kMathCos: | |
7099 case kMathTan: | |
7100 if (expr->arguments()->length() == 1) { | 7102 if (expr->arguments()->length() == 1) { |
7101 HValue* argument = Pop(); | 7103 HValue* argument = Pop(); |
7102 Drop(1); // Receiver. | 7104 Drop(1); // Receiver. |
7103 HInstruction* op = NewUncasted<HUnaryMathOperation>(argument, id); | 7105 HInstruction* op = NewUncasted<HUnaryMathOperation>(argument, id); |
7104 if (drop_extra) Drop(1); // Optionally drop the function. | 7106 if (drop_extra) Drop(1); // Optionally drop the function. |
7105 ast_context()->ReturnInstruction(op, expr->id()); | 7107 ast_context()->ReturnInstruction(op, expr->id()); |
7106 return true; | 7108 return true; |
7107 } | 7109 } |
7108 break; | 7110 break; |
7109 case kMathImul: | 7111 case kMathImul: |
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7168 } | 7170 } |
7169 break; | 7171 break; |
7170 case kMathExp: | 7172 case kMathExp: |
7171 if (!FLAG_fast_math) break; | 7173 if (!FLAG_fast_math) break; |
7172 // Fall through if FLAG_fast_math. | 7174 // Fall through if FLAG_fast_math. |
7173 case kMathRound: | 7175 case kMathRound: |
7174 case kMathFloor: | 7176 case kMathFloor: |
7175 case kMathAbs: | 7177 case kMathAbs: |
7176 case kMathSqrt: | 7178 case kMathSqrt: |
7177 case kMathLog: | 7179 case kMathLog: |
7178 case kMathSin: | |
7179 case kMathCos: | |
7180 case kMathTan: | |
7181 if (argument_count == 2 && check_type == RECEIVER_MAP_CHECK) { | 7180 if (argument_count == 2 && check_type == RECEIVER_MAP_CHECK) { |
7182 AddCheckConstantFunction(expr->holder(), receiver, receiver_map); | 7181 AddCheckConstantFunction(expr->holder(), receiver, receiver_map); |
7183 HValue* argument = Pop(); | 7182 HValue* argument = Pop(); |
7184 Drop(1); // Receiver. | 7183 Drop(1); // Receiver. |
7185 HInstruction* op = NewUncasted<HUnaryMathOperation>(argument, id); | 7184 HInstruction* op = NewUncasted<HUnaryMathOperation>(argument, id); |
7186 ast_context()->ReturnInstruction(op, expr->id()); | 7185 ast_context()->ReturnInstruction(op, expr->id()); |
7187 return true; | 7186 return true; |
7188 } | 7187 } |
7189 break; | 7188 break; |
7190 case kMathPow: | 7189 case kMathPow: |
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9499 ASSERT_EQ(2, call->arguments()->length()); | 9498 ASSERT_EQ(2, call->arguments()->length()); |
9500 CHECK_ALIVE(VisitForValue(call->arguments()->at(0))); | 9499 CHECK_ALIVE(VisitForValue(call->arguments()->at(0))); |
9501 CHECK_ALIVE(VisitForValue(call->arguments()->at(1))); | 9500 CHECK_ALIVE(VisitForValue(call->arguments()->at(1))); |
9502 HValue* right = Pop(); | 9501 HValue* right = Pop(); |
9503 HValue* left = Pop(); | 9502 HValue* left = Pop(); |
9504 HInstruction* result = NewUncasted<HPower>(left, right); | 9503 HInstruction* result = NewUncasted<HPower>(left, right); |
9505 return ast_context()->ReturnInstruction(result, call->id()); | 9504 return ast_context()->ReturnInstruction(result, call->id()); |
9506 } | 9505 } |
9507 | 9506 |
9508 | 9507 |
9509 void HOptimizedGraphBuilder::GenerateMathSin(CallRuntime* call) { | |
9510 ASSERT_EQ(1, call->arguments()->length()); | |
9511 CHECK_ALIVE(VisitArgumentList(call->arguments())); | |
9512 HCallStub* result = New<HCallStub>(CodeStub::TranscendentalCache, 1); | |
9513 result->set_transcendental_type(TranscendentalCache::SIN); | |
9514 Drop(1); | |
9515 return ast_context()->ReturnInstruction(result, call->id()); | |
9516 } | |
9517 | |
9518 | |
9519 void HOptimizedGraphBuilder::GenerateMathCos(CallRuntime* call) { | |
9520 ASSERT_EQ(1, call->arguments()->length()); | |
9521 CHECK_ALIVE(VisitArgumentList(call->arguments())); | |
9522 HCallStub* result = New<HCallStub>(CodeStub::TranscendentalCache, 1); | |
9523 result->set_transcendental_type(TranscendentalCache::COS); | |
9524 Drop(1); | |
9525 return ast_context()->ReturnInstruction(result, call->id()); | |
9526 } | |
9527 | |
9528 | |
9529 void HOptimizedGraphBuilder::GenerateMathTan(CallRuntime* call) { | |
9530 ASSERT_EQ(1, call->arguments()->length()); | |
9531 CHECK_ALIVE(VisitArgumentList(call->arguments())); | |
9532 HCallStub* result = New<HCallStub>(CodeStub::TranscendentalCache, 1); | |
9533 result->set_transcendental_type(TranscendentalCache::TAN); | |
9534 Drop(1); | |
9535 return ast_context()->ReturnInstruction(result, call->id()); | |
9536 } | |
9537 | |
9538 | |
9539 void HOptimizedGraphBuilder::GenerateMathLog(CallRuntime* call) { | 9508 void HOptimizedGraphBuilder::GenerateMathLog(CallRuntime* call) { |
9540 ASSERT_EQ(1, call->arguments()->length()); | 9509 ASSERT_EQ(1, call->arguments()->length()); |
9541 CHECK_ALIVE(VisitArgumentList(call->arguments())); | 9510 CHECK_ALIVE(VisitArgumentList(call->arguments())); |
9542 HCallStub* result = New<HCallStub>(CodeStub::TranscendentalCache, 1); | 9511 HCallStub* result = New<HCallStub>(CodeStub::TranscendentalCache, 1); |
9543 result->set_transcendental_type(TranscendentalCache::LOG); | 9512 result->set_transcendental_type(TranscendentalCache::LOG); |
9544 Drop(1); | 9513 Drop(1); |
9545 return ast_context()->ReturnInstruction(result, call->id()); | 9514 return ast_context()->ReturnInstruction(result, call->id()); |
9546 } | 9515 } |
9547 | 9516 |
9548 | 9517 |
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10199 if (ShouldProduceTraceOutput()) { | 10168 if (ShouldProduceTraceOutput()) { |
10200 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); | 10169 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); |
10201 } | 10170 } |
10202 | 10171 |
10203 #ifdef DEBUG | 10172 #ifdef DEBUG |
10204 graph_->Verify(false); // No full verify. | 10173 graph_->Verify(false); // No full verify. |
10205 #endif | 10174 #endif |
10206 } | 10175 } |
10207 | 10176 |
10208 } } // namespace v8::internal | 10177 } } // namespace v8::internal |
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