Index: src/arm/builtins-arm.cc |
diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc |
index 183fa7190c03b95e0e88401f9564c105517029c8..bb9c06cdd56996845de36edf015296592b1a87d0 100644 |
--- a/src/arm/builtins-arm.cc |
+++ b/src/arm/builtins-arm.cc |
@@ -1248,153 +1248,6 @@ |
void Builtins::Generate_CompileLazy(MacroAssembler* masm) { |
- // ----------- S t a t e ------------- |
- // -- r3 : new target (preserved for callee) |
- // -- r1 : 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 = r1; |
- Register new_target = r3; |
- __ push(new_target); |
- __ push(closure); |
- |
- Register map = r0; |
- Register index = r2; |
- __ ldr(map, FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset)); |
- __ ldr(map, |
- FieldMemOperand(map, SharedFunctionInfo::kOptimizedCodeMapOffset)); |
- __ ldr(index, FieldMemOperand(map, FixedArray::kLengthOffset)); |
- __ cmp(index, Operand(Smi::FromInt(2))); |
- __ b(lt, &gotta_call_runtime); |
- |
- // Find literals. |
- // r3 : native context |
- // r2 : length / index |
- // r0 : optimized code map |
- // stack[0] : new target |
- // stack[4] : closure |
- Register native_context = r3; |
- __ ldr(native_context, NativeContextMemOperand()); |
- |
- __ bind(&loop_top); |
- Register temp = r1; |
- Register array_pointer = r5; |
- |
- // Does the native context match? |
- __ add(array_pointer, map, Operand::PointerOffsetFromSmiKey(index)); |
- __ ldr(temp, FieldMemOperand(array_pointer, |
- SharedFunctionInfo::OffsetToPreviousContext())); |
- __ ldr(temp, FieldMemOperand(temp, WeakCell::kValueOffset)); |
- __ cmp(temp, native_context); |
- __ b(ne, &loop_bottom); |
- // OSR id set to none? |
- __ ldr(temp, FieldMemOperand(array_pointer, |
- SharedFunctionInfo::OffsetToPreviousOsrAstId())); |
- const int bailout_id = BailoutId::None().ToInt(); |
- __ cmp(temp, Operand(Smi::FromInt(bailout_id))); |
- __ b(ne, &loop_bottom); |
- // Literals available? |
- __ ldr(temp, FieldMemOperand(array_pointer, |
- SharedFunctionInfo::OffsetToPreviousLiterals())); |
- __ ldr(temp, FieldMemOperand(temp, WeakCell::kValueOffset)); |
- __ JumpIfSmi(temp, &gotta_call_runtime); |
- |
- // Save the literals in the closure. |
- __ ldr(r4, MemOperand(sp, 0)); |
- __ str(temp, FieldMemOperand(r4, JSFunction::kLiteralsOffset)); |
- __ push(index); |
- __ RecordWriteField(r4, JSFunction::kLiteralsOffset, temp, index, |
- kLRHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET, |
- OMIT_SMI_CHECK); |
- __ pop(index); |
- |
- // Code available? |
- Register entry = r4; |
- __ ldr(entry, |
- FieldMemOperand(array_pointer, |
- SharedFunctionInfo::OffsetToPreviousCachedCode())); |
- __ ldr(entry, FieldMemOperand(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. |
- __ add(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag)); |
- |
- Label install_optimized_code_and_tailcall; |
- __ bind(&install_optimized_code_and_tailcall); |
- __ str(entry, FieldMemOperand(closure, JSFunction::kCodeEntryOffset)); |
- __ RecordWriteCodeEntryField(closure, entry, r5); |
- |
- // Link the closure into the optimized function list. |
- // r4 : code entry |
- // r3 : native context |
- // r1 : closure |
- __ ldr(r5, |
- ContextMemOperand(native_context, Context::OPTIMIZED_FUNCTIONS_LIST)); |
- __ str(r5, FieldMemOperand(closure, JSFunction::kNextFunctionLinkOffset)); |
- __ RecordWriteField(closure, JSFunction::kNextFunctionLinkOffset, r5, r0, |
- kLRHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET, |
- OMIT_SMI_CHECK); |
- const int function_list_offset = |
- Context::SlotOffset(Context::OPTIMIZED_FUNCTIONS_LIST); |
- __ str(closure, |
- ContextMemOperand(native_context, Context::OPTIMIZED_FUNCTIONS_LIST)); |
- // Save closure before the write barrier. |
- __ mov(r5, closure); |
- __ RecordWriteContextSlot(native_context, function_list_offset, closure, r0, |
- kLRHasNotBeenSaved, kDontSaveFPRegs); |
- __ mov(closure, r5); |
- __ pop(new_target); |
- __ Jump(entry); |
- |
- __ bind(&loop_bottom); |
- __ sub(index, index, Operand(Smi::FromInt(SharedFunctionInfo::kEntryLength))); |
- __ cmp(index, Operand(Smi::FromInt(1))); |
- __ b(gt, &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. |
- __ ldr(entry, FieldMemOperand(map, FixedArray::kHeaderSize + |
- SharedFunctionInfo::kSharedCodeIndex)); |
- __ ldr(entry, FieldMemOperand(entry, WeakCell::kValueOffset)); |
- __ JumpIfSmi(entry, &try_shared); |
- |
- // Store code entry in the closure. |
- __ add(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag)); |
- __ jmp(&install_optimized_code_and_tailcall); |
- |
- __ bind(&try_shared); |
- __ pop(new_target); |
- // Is the full code valid? |
- __ ldr(entry, |
- FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset)); |
- __ ldr(entry, FieldMemOperand(entry, SharedFunctionInfo::kCodeOffset)); |
- __ ldr(r5, FieldMemOperand(entry, Code::kFlagsOffset)); |
- __ and_(r5, r5, Operand(Code::KindField::kMask)); |
- __ mov(r5, Operand(r5, LSR, Code::KindField::kShift)); |
- __ cmp(r5, Operand(Code::BUILTIN)); |
- __ b(eq, &gotta_call_runtime_no_stack); |
- // Yes, install the full code. |
- __ add(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag)); |
- __ str(entry, FieldMemOperand(closure, JSFunction::kCodeEntryOffset)); |
- __ RecordWriteCodeEntryField(closure, entry, r5); |
- __ Jump(entry); |
- |
- __ bind(&gotta_call_runtime); |
- __ pop(closure); |
- __ pop(new_target); |
- __ bind(&gotta_call_runtime_no_stack); |
CallRuntimePassFunction(masm, Runtime::kCompileLazy); |
GenerateTailCallToReturnedCode(masm); |
} |