Index: src/ia32/builtins-ia32.cc |
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc |
index 0b75c4e83e0acf2a84b03a2193d048fef5a6fcce..a1736555d143032df2c3113e67cca27ec0a80173 100644 |
--- a/src/ia32/builtins-ia32.cc |
+++ b/src/ia32/builtins-ia32.cc |
@@ -851,146 +851,6 @@ |
void Builtins::Generate_CompileLazy(MacroAssembler* masm) { |
- // ----------- S t a t e ------------- |
- // -- edx : new target (preserved for callee) |
- // -- edi : target function (preserved for callee) |
- // ----------------------------------- |
- // First lookup code, maybe we don't need to compile! |
- Label gotta_call_runtime, gotta_call_runtime_no_stack; |
- Label maybe_call_runtime; |
- Label try_shared; |
- Label loop_top, loop_bottom; |
- |
- Register closure = edi; |
- Register new_target = edx; |
- __ push(new_target); |
- __ push(closure); |
- |
- Register map = eax; |
- Register index = ebx; |
- __ mov(map, FieldOperand(closure, JSFunction::kSharedFunctionInfoOffset)); |
- __ mov(map, FieldOperand(map, SharedFunctionInfo::kOptimizedCodeMapOffset)); |
- __ mov(index, FieldOperand(map, FixedArray::kLengthOffset)); |
- __ cmp(index, Immediate(Smi::FromInt(2))); |
- __ j(less, &gotta_call_runtime); |
- |
- // Find literals. |
- // edx : native context |
- // ebx : length / index |
- // eax : optimized code map |
- // stack[0] : new target |
- // stack[4] : closure |
- Register native_context = edx; |
- __ mov(native_context, NativeContextOperand()); |
- |
- __ bind(&loop_top); |
- Register temp = edi; |
- |
- // Does the native context match? |
- __ mov(temp, FieldOperand(map, index, times_half_pointer_size, |
- SharedFunctionInfo::OffsetToPreviousContext())); |
- __ mov(temp, FieldOperand(temp, WeakCell::kValueOffset)); |
- __ cmp(temp, native_context); |
- __ j(not_equal, &loop_bottom); |
- // OSR id set to none? |
- __ mov(temp, FieldOperand(map, index, times_half_pointer_size, |
- SharedFunctionInfo::OffsetToPreviousOsrAstId())); |
- const int bailout_id = BailoutId::None().ToInt(); |
- __ cmp(temp, Immediate(Smi::FromInt(bailout_id))); |
- __ j(not_equal, &loop_bottom); |
- // Literals available? |
- __ mov(temp, FieldOperand(map, index, times_half_pointer_size, |
- SharedFunctionInfo::OffsetToPreviousLiterals())); |
- __ mov(temp, FieldOperand(temp, WeakCell::kValueOffset)); |
- __ JumpIfSmi(temp, &gotta_call_runtime); |
- |
- // Save the literals in the closure. |
- __ mov(ecx, Operand(esp, 0)); |
- __ mov(FieldOperand(ecx, JSFunction::kLiteralsOffset), temp); |
- __ push(index); |
- __ RecordWriteField(ecx, JSFunction::kLiteralsOffset, temp, index, |
- kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); |
- __ pop(index); |
- |
- // Code available? |
- Register entry = ecx; |
- __ mov(entry, FieldOperand(map, index, times_half_pointer_size, |
- SharedFunctionInfo::OffsetToPreviousCachedCode())); |
- __ mov(entry, FieldOperand(entry, WeakCell::kValueOffset)); |
- __ JumpIfSmi(entry, &maybe_call_runtime); |
- |
- // Found literals and code. Get them into the closure and return. |
- __ pop(closure); |
- // Store code entry in the closure. |
- __ lea(entry, FieldOperand(entry, Code::kHeaderSize)); |
- |
- Label install_optimized_code_and_tailcall; |
- __ bind(&install_optimized_code_and_tailcall); |
- __ mov(FieldOperand(closure, JSFunction::kCodeEntryOffset), entry); |
- __ RecordWriteCodeEntryField(closure, entry, eax); |
- |
- // Link the closure into the optimized function list. |
- // ecx : code entry |
- // edx : native context |
- // edi : closure |
- __ mov(ebx, |
- ContextOperand(native_context, Context::OPTIMIZED_FUNCTIONS_LIST)); |
- __ mov(FieldOperand(closure, JSFunction::kNextFunctionLinkOffset), ebx); |
- __ RecordWriteField(closure, JSFunction::kNextFunctionLinkOffset, ebx, eax, |
- kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); |
- const int function_list_offset = |
- Context::SlotOffset(Context::OPTIMIZED_FUNCTIONS_LIST); |
- __ mov(ContextOperand(native_context, Context::OPTIMIZED_FUNCTIONS_LIST), |
- closure); |
- // Save closure before the write barrier. |
- __ mov(ebx, closure); |
- __ RecordWriteContextSlot(native_context, function_list_offset, closure, eax, |
- kDontSaveFPRegs); |
- __ mov(closure, ebx); |
- __ pop(new_target); |
- __ jmp(entry); |
- |
- __ bind(&loop_bottom); |
- __ sub(index, Immediate(Smi::FromInt(SharedFunctionInfo::kEntryLength))); |
- __ cmp(index, Immediate(Smi::FromInt(1))); |
- __ j(greater, &loop_top); |
- |
- // We found neither literals nor code. |
- __ jmp(&gotta_call_runtime); |
- |
- __ bind(&maybe_call_runtime); |
- __ pop(closure); |
- |
- // Last possibility. Check the context free optimized code map entry. |
- __ mov(entry, FieldOperand(map, FixedArray::kHeaderSize + |
- SharedFunctionInfo::kSharedCodeIndex)); |
- __ mov(entry, FieldOperand(entry, WeakCell::kValueOffset)); |
- __ JumpIfSmi(entry, &try_shared); |
- |
- // Store code entry in the closure. |
- __ lea(entry, FieldOperand(entry, Code::kHeaderSize)); |
- __ jmp(&install_optimized_code_and_tailcall); |
- |
- __ bind(&try_shared); |
- __ pop(new_target); |
- // Is the full code valid? |
- __ mov(entry, FieldOperand(closure, JSFunction::kSharedFunctionInfoOffset)); |
- __ mov(entry, FieldOperand(entry, SharedFunctionInfo::kCodeOffset)); |
- __ mov(ebx, FieldOperand(entry, Code::kFlagsOffset)); |
- __ and_(ebx, Code::KindField::kMask); |
- __ shr(ebx, Code::KindField::kShift); |
- __ cmp(ebx, Immediate(Code::BUILTIN)); |
- __ j(equal, &gotta_call_runtime_no_stack); |
- // Yes, install the full code. |
- __ lea(entry, FieldOperand(entry, Code::kHeaderSize)); |
- __ mov(FieldOperand(closure, JSFunction::kCodeEntryOffset), entry); |
- __ RecordWriteCodeEntryField(closure, entry, eax); |
- __ jmp(entry); |
- |
- __ bind(&gotta_call_runtime); |
- __ pop(closure); |
- __ pop(new_target); |
- __ bind(&gotta_call_runtime_no_stack); |
CallRuntimePassFunction(masm, Runtime::kCompileLazy); |
GenerateTailCallToReturnedCode(masm); |
} |