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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/crankshaft/ppc/lithium-codegen-ppc.h" | 5 #include "src/crankshaft/ppc/lithium-codegen-ppc.h" |
| 6 | 6 |
| 7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
| 8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
| 9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
| 10 #include "src/crankshaft/hydrogen-osr.h" | 10 #include "src/crankshaft/hydrogen-osr.h" |
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| 168 // Possibly allocate a local context. | 168 // Possibly allocate a local context. |
| 169 if (info()->scope()->num_heap_slots() > 0) { | 169 if (info()->scope()->num_heap_slots() > 0) { |
| 170 Comment(";;; Allocate local context"); | 170 Comment(";;; Allocate local context"); |
| 171 bool need_write_barrier = true; | 171 bool need_write_barrier = true; |
| 172 // Argument to NewContext is the function, which is in r4. | 172 // Argument to NewContext is the function, which is in r4. |
| 173 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 173 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; |
| 174 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; | 174 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; |
| 175 if (info()->scope()->is_script_scope()) { | 175 if (info()->scope()->is_script_scope()) { |
| 176 __ push(r4); | 176 __ push(r4); |
| 177 __ Push(info()->scope()->GetScopeInfo(info()->isolate())); | 177 __ Push(info()->scope()->GetScopeInfo(info()->isolate())); |
| 178 __ CallRuntime(Runtime::kNewScriptContext, 2); | 178 __ CallRuntime(Runtime::kNewScriptContext); |
| 179 deopt_mode = Safepoint::kLazyDeopt; | 179 deopt_mode = Safepoint::kLazyDeopt; |
| 180 } else if (slots <= FastNewContextStub::kMaximumSlots) { | 180 } else if (slots <= FastNewContextStub::kMaximumSlots) { |
| 181 FastNewContextStub stub(isolate(), slots); | 181 FastNewContextStub stub(isolate(), slots); |
| 182 __ CallStub(&stub); | 182 __ CallStub(&stub); |
| 183 // Result of FastNewContextStub is always in new space. | 183 // Result of FastNewContextStub is always in new space. |
| 184 need_write_barrier = false; | 184 need_write_barrier = false; |
| 185 } else { | 185 } else { |
| 186 __ push(r4); | 186 __ push(r4); |
| 187 __ CallRuntime(Runtime::kNewFunctionContext, 1); | 187 __ CallRuntime(Runtime::kNewFunctionContext); |
| 188 } | 188 } |
| 189 RecordSafepoint(deopt_mode); | 189 RecordSafepoint(deopt_mode); |
| 190 | 190 |
| 191 // Context is returned in both r3 and cp. It replaces the context | 191 // Context is returned in both r3 and cp. It replaces the context |
| 192 // passed to us. It's saved in the stack and kept live in cp. | 192 // passed to us. It's saved in the stack and kept live in cp. |
| 193 __ mr(cp, r3); | 193 __ mr(cp, r3); |
| 194 __ StoreP(r3, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 194 __ StoreP(r3, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 195 // Copy any necessary parameters into the context. | 195 // Copy any necessary parameters into the context. |
| 196 int num_parameters = scope()->num_parameters(); | 196 int num_parameters = scope()->num_parameters(); |
| 197 int first_parameter = scope()->has_this_declaration() ? -1 : 0; | 197 int first_parameter = scope()->has_this_declaration() ? -1 : 0; |
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| 2751 | 2751 |
| 2752 | 2752 |
| 2753 void LCodeGen::DoReturn(LReturn* instr) { | 2753 void LCodeGen::DoReturn(LReturn* instr) { |
| 2754 if (FLAG_trace && info()->IsOptimizing()) { | 2754 if (FLAG_trace && info()->IsOptimizing()) { |
| 2755 // Push the return value on the stack as the parameter. | 2755 // Push the return value on the stack as the parameter. |
| 2756 // Runtime::TraceExit returns its parameter in r3. We're leaving the code | 2756 // Runtime::TraceExit returns its parameter in r3. We're leaving the code |
| 2757 // managed by the register allocator and tearing down the frame, it's | 2757 // managed by the register allocator and tearing down the frame, it's |
| 2758 // safe to write to the context register. | 2758 // safe to write to the context register. |
| 2759 __ push(r3); | 2759 __ push(r3); |
| 2760 __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 2760 __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 2761 __ CallRuntime(Runtime::kTraceExit, 1); | 2761 __ CallRuntime(Runtime::kTraceExit); |
| 2762 } | 2762 } |
| 2763 if (info()->saves_caller_doubles()) { | 2763 if (info()->saves_caller_doubles()) { |
| 2764 RestoreCallerDoubles(); | 2764 RestoreCallerDoubles(); |
| 2765 } | 2765 } |
| 2766 if (instr->has_constant_parameter_count()) { | 2766 if (instr->has_constant_parameter_count()) { |
| 2767 int parameter_count = ToInteger32(instr->constant_parameter_count()); | 2767 int parameter_count = ToInteger32(instr->constant_parameter_count()); |
| 2768 int32_t sp_delta = (parameter_count + 1) * kPointerSize; | 2768 int32_t sp_delta = (parameter_count + 1) * kPointerSize; |
| 2769 if (NeedsEagerFrame()) { | 2769 if (NeedsEagerFrame()) { |
| 2770 masm_->LeaveFrame(StackFrame::JAVA_SCRIPT, sp_delta); | 2770 masm_->LeaveFrame(StackFrame::JAVA_SCRIPT, sp_delta); |
| 2771 } else if (sp_delta != 0) { | 2771 } else if (sp_delta != 0) { |
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| 3500 } | 3500 } |
| 3501 } | 3501 } |
| 3502 | 3502 |
| 3503 | 3503 |
| 3504 void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) { | 3504 void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) { |
| 3505 DCHECK(ToRegister(instr->context()).is(cp)); | 3505 DCHECK(ToRegister(instr->context()).is(cp)); |
| 3506 __ Move(scratch0(), instr->hydrogen()->pairs()); | 3506 __ Move(scratch0(), instr->hydrogen()->pairs()); |
| 3507 __ push(scratch0()); | 3507 __ push(scratch0()); |
| 3508 __ LoadSmiLiteral(scratch0(), Smi::FromInt(instr->hydrogen()->flags())); | 3508 __ LoadSmiLiteral(scratch0(), Smi::FromInt(instr->hydrogen()->flags())); |
| 3509 __ push(scratch0()); | 3509 __ push(scratch0()); |
| 3510 CallRuntime(Runtime::kDeclareGlobals, 2, instr); | 3510 CallRuntime(Runtime::kDeclareGlobals, instr); |
| 3511 } | 3511 } |
| 3512 | 3512 |
| 3513 | 3513 |
| 3514 void LCodeGen::CallKnownFunction(Handle<JSFunction> function, | 3514 void LCodeGen::CallKnownFunction(Handle<JSFunction> function, |
| 3515 int formal_parameter_count, int arity, | 3515 int formal_parameter_count, int arity, |
| 3516 LInstruction* instr) { | 3516 LInstruction* instr) { |
| 3517 bool dont_adapt_arguments = | 3517 bool dont_adapt_arguments = |
| 3518 formal_parameter_count == SharedFunctionInfo::kDontAdaptArgumentsSentinel; | 3518 formal_parameter_count == SharedFunctionInfo::kDontAdaptArgumentsSentinel; |
| 3519 bool can_invoke_directly = | 3519 bool can_invoke_directly = |
| 3520 dont_adapt_arguments || formal_parameter_count == arity; | 3520 dont_adapt_arguments || formal_parameter_count == arity; |
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| 5773 Register null_value = r8; | 5773 Register null_value = r8; |
| 5774 __ LoadRoot(null_value, Heap::kNullValueRootIndex); | 5774 __ LoadRoot(null_value, Heap::kNullValueRootIndex); |
| 5775 __ CheckEnumCache(null_value, &call_runtime); | 5775 __ CheckEnumCache(null_value, &call_runtime); |
| 5776 | 5776 |
| 5777 __ LoadP(r3, FieldMemOperand(r3, HeapObject::kMapOffset)); | 5777 __ LoadP(r3, FieldMemOperand(r3, HeapObject::kMapOffset)); |
| 5778 __ b(&use_cache); | 5778 __ b(&use_cache); |
| 5779 | 5779 |
| 5780 // Get the set of properties to enumerate. | 5780 // Get the set of properties to enumerate. |
| 5781 __ bind(&call_runtime); | 5781 __ bind(&call_runtime); |
| 5782 __ push(r3); | 5782 __ push(r3); |
| 5783 CallRuntime(Runtime::kGetPropertyNamesFast, 1, instr); | 5783 CallRuntime(Runtime::kGetPropertyNamesFast, instr); |
| 5784 | 5784 |
| 5785 __ LoadP(r4, FieldMemOperand(r3, HeapObject::kMapOffset)); | 5785 __ LoadP(r4, FieldMemOperand(r3, HeapObject::kMapOffset)); |
| 5786 __ LoadRoot(ip, Heap::kMetaMapRootIndex); | 5786 __ LoadRoot(ip, Heap::kMetaMapRootIndex); |
| 5787 __ cmp(r4, ip); | 5787 __ cmp(r4, ip); |
| 5788 DeoptimizeIf(ne, instr, Deoptimizer::kWrongMap); | 5788 DeoptimizeIf(ne, instr, Deoptimizer::kWrongMap); |
| 5789 __ bind(&use_cache); | 5789 __ bind(&use_cache); |
| 5790 } | 5790 } |
| 5791 | 5791 |
| 5792 | 5792 |
| 5793 void LCodeGen::DoForInCacheArray(LForInCacheArray* instr) { | 5793 void LCodeGen::DoForInCacheArray(LForInCacheArray* instr) { |
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| 5894 void LCodeGen::DoStoreFrameContext(LStoreFrameContext* instr) { | 5894 void LCodeGen::DoStoreFrameContext(LStoreFrameContext* instr) { |
| 5895 Register context = ToRegister(instr->context()); | 5895 Register context = ToRegister(instr->context()); |
| 5896 __ StoreP(context, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 5896 __ StoreP(context, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 5897 } | 5897 } |
| 5898 | 5898 |
| 5899 | 5899 |
| 5900 void LCodeGen::DoAllocateBlockContext(LAllocateBlockContext* instr) { | 5900 void LCodeGen::DoAllocateBlockContext(LAllocateBlockContext* instr) { |
| 5901 Handle<ScopeInfo> scope_info = instr->scope_info(); | 5901 Handle<ScopeInfo> scope_info = instr->scope_info(); |
| 5902 __ Push(scope_info); | 5902 __ Push(scope_info); |
| 5903 __ push(ToRegister(instr->function())); | 5903 __ push(ToRegister(instr->function())); |
| 5904 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5904 CallRuntime(Runtime::kPushBlockContext, instr); |
| 5905 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5905 RecordSafepoint(Safepoint::kNoLazyDeopt); |
| 5906 } | 5906 } |
| 5907 | 5907 |
| 5908 | 5908 |
| 5909 #undef __ | 5909 #undef __ |
| 5910 } // namespace internal | 5910 } // namespace internal |
| 5911 } // namespace v8 | 5911 } // namespace v8 |
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