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Diffstat (limited to 'deps/v8/src/builtins/mips/builtins-mips.cc')
-rw-r--r--deps/v8/src/builtins/mips/builtins-mips.cc171
1 files changed, 77 insertions, 94 deletions
diff --git a/deps/v8/src/builtins/mips/builtins-mips.cc b/deps/v8/src/builtins/mips/builtins-mips.cc
index b9c4a72dd0..78ca6c5a6f 100644
--- a/deps/v8/src/builtins/mips/builtins-mips.cc
+++ b/deps/v8/src/builtins/mips/builtins-mips.cc
@@ -139,7 +139,7 @@ void Builtins::Generate_MathMaxMin(MacroAssembler* masm, MathMaxMinKind kind) {
__ LoadRoot(t2, root_index);
__ ldc1(f0, FieldMemOperand(t2, HeapNumber::kValueOffset));
- Label done_loop, loop;
+ Label done_loop, loop, done;
__ mov(a3, a0);
__ bind(&loop);
{
@@ -195,15 +195,25 @@ void Builtins::Generate_MathMaxMin(MacroAssembler* masm, MathMaxMinKind kind) {
// accumulator value on the left hand side (f0) and the next parameter value
// on the right hand side (f2).
// We need to work out which HeapNumber (or smi) the result came from.
- Label compare_nan, set_value;
+ Label compare_nan, set_value, ool_min, ool_max;
__ BranchF(nullptr, &compare_nan, eq, f0, f2);
__ Move(t0, t1, f0);
if (kind == MathMaxMinKind::kMin) {
- __ MinNaNCheck_d(f0, f0, f2);
+ __ Float64Min(f0, f0, f2, &ool_min);
} else {
DCHECK(kind == MathMaxMinKind::kMax);
- __ MaxNaNCheck_d(f0, f0, f2);
+ __ Float64Max(f0, f0, f2, &ool_max);
}
+ __ jmp(&done);
+
+ __ bind(&ool_min);
+ __ Float64MinOutOfLine(f0, f0, f2);
+ __ jmp(&done);
+
+ __ bind(&ool_max);
+ __ Float64MaxOutOfLine(f0, f0, f2);
+
+ __ bind(&done);
__ Move(at, t8, f0);
__ Branch(&set_value, ne, t0, Operand(at));
__ Branch(&set_value, ne, t1, Operand(t8));
@@ -331,11 +341,11 @@ void Builtins::Generate_NumberConstructor_ConstructStub(MacroAssembler* masm) {
__ bind(&new_object);
{
FrameScope scope(masm, StackFrame::MANUAL);
- FastNewObjectStub stub(masm->isolate());
__ SmiTag(t0);
__ EnterBuiltinFrame(cp, a1, t0);
__ Push(a0); // first argument
- __ CallStub(&stub);
+ __ Call(CodeFactory::FastNewObject(masm->isolate()).code(),
+ RelocInfo::CODE_TARGET);
__ Pop(a0);
__ LeaveBuiltinFrame(cp, a1, t0);
__ SmiUntag(t0);
@@ -482,11 +492,11 @@ void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
__ bind(&new_object);
{
FrameScope scope(masm, StackFrame::MANUAL);
- FastNewObjectStub stub(masm->isolate());
__ SmiTag(t0);
__ EnterBuiltinFrame(cp, a1, t0);
__ Push(a0); // first argument
- __ CallStub(&stub);
+ __ Call(CodeFactory::FastNewObject(masm->isolate()).code(),
+ RelocInfo::CODE_TARGET);
__ Pop(a0);
__ LeaveBuiltinFrame(cp, a1, t0);
__ SmiUntag(t0);
@@ -575,8 +585,8 @@ void Generate_JSConstructStubHelper(MacroAssembler* masm, bool is_api_function,
if (create_implicit_receiver) {
// Allocate the new receiver object.
__ Push(a1, a3);
- FastNewObjectStub stub(masm->isolate());
- __ CallStub(&stub);
+ __ Call(CodeFactory::FastNewObject(masm->isolate()).code(),
+ RelocInfo::CODE_TARGET);
__ mov(t4, v0);
__ Pop(a1, a3);
@@ -854,18 +864,17 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
__ sw(a2, FieldMemOperand(a1, JSGeneratorObject::kResumeModeOffset));
// Load suspended function and context.
- __ lw(cp, FieldMemOperand(a1, JSGeneratorObject::kContextOffset));
__ lw(t0, FieldMemOperand(a1, JSGeneratorObject::kFunctionOffset));
+ __ lw(cp, FieldMemOperand(t0, JSFunction::kContextOffset));
// Flood function if we are stepping.
Label prepare_step_in_if_stepping, prepare_step_in_suspended_generator;
Label stepping_prepared;
- ExternalReference last_step_action =
- ExternalReference::debug_last_step_action_address(masm->isolate());
- STATIC_ASSERT(StepFrame > StepIn);
- __ li(t1, Operand(last_step_action));
+ ExternalReference debug_hook =
+ ExternalReference::debug_hook_on_function_call_address(masm->isolate());
+ __ li(t1, Operand(debug_hook));
__ lb(t1, MemOperand(t1));
- __ Branch(&prepare_step_in_if_stepping, ge, t1, Operand(StepIn));
+ __ Branch(&prepare_step_in_if_stepping, ne, t1, Operand(zero_reg));
// Flood function if we need to continue stepping in the suspended generator.
ExternalReference debug_suspended_generator =
@@ -905,14 +914,15 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
__ bind(&done_loop);
}
- // Dispatch on the kind of generator object.
- Label old_generator;
- __ lw(a3, FieldMemOperand(t0, JSFunction::kSharedFunctionInfoOffset));
- __ lw(a3, FieldMemOperand(a3, SharedFunctionInfo::kFunctionDataOffset));
- __ GetObjectType(a3, a3, a3);
- __ Branch(&old_generator, ne, a3, Operand(BYTECODE_ARRAY_TYPE));
+ // Underlying function needs to have bytecode available.
+ if (FLAG_debug_code) {
+ __ lw(a3, FieldMemOperand(t0, JSFunction::kSharedFunctionInfoOffset));
+ __ lw(a3, FieldMemOperand(a3, SharedFunctionInfo::kFunctionDataOffset));
+ __ GetObjectType(a3, a3, a3);
+ __ Assert(eq, kMissingBytecodeArray, a3, Operand(BYTECODE_ARRAY_TYPE));
+ }
- // New-style (ignition/turbofan) generator object.
+ // Resume (Ignition/TurboFan) generator object.
{
__ lw(a0, FieldMemOperand(t0, JSFunction::kSharedFunctionInfoOffset));
__ lw(a0,
@@ -927,54 +937,11 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
__ Jump(a2);
}
- // Old-style (full-codegen) generator object
- __ bind(&old_generator);
- {
- // Enter a new JavaScript frame, and initialize its slots as they were when
- // the generator was suspended.
- FrameScope scope(masm, StackFrame::MANUAL);
- __ Push(ra, fp);
- __ Move(fp, sp);
- __ Push(cp, t0);
-
- // Restore the operand stack.
- __ lw(a0, FieldMemOperand(a1, JSGeneratorObject::kOperandStackOffset));
- __ lw(a3, FieldMemOperand(a0, FixedArray::kLengthOffset));
- __ Addu(a0, a0, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
- __ Lsa(a3, a0, a3, kPointerSizeLog2 - 1);
- {
- Label done_loop, loop;
- __ bind(&loop);
- __ Branch(&done_loop, eq, a0, Operand(a3));
- __ lw(t1, MemOperand(a0));
- __ Push(t1);
- __ Branch(USE_DELAY_SLOT, &loop);
- __ addiu(a0, a0, kPointerSize); // In delay slot.
- __ bind(&done_loop);
- }
-
- // Reset operand stack so we don't leak.
- __ LoadRoot(t1, Heap::kEmptyFixedArrayRootIndex);
- __ sw(t1, FieldMemOperand(a1, JSGeneratorObject::kOperandStackOffset));
-
- // Resume the generator function at the continuation.
- __ lw(a3, FieldMemOperand(t0, JSFunction::kSharedFunctionInfoOffset));
- __ lw(a3, FieldMemOperand(a3, SharedFunctionInfo::kCodeOffset));
- __ Addu(a3, a3, Operand(Code::kHeaderSize - kHeapObjectTag));
- __ lw(a2, FieldMemOperand(a1, JSGeneratorObject::kContinuationOffset));
- __ SmiUntag(a2);
- __ Addu(a3, a3, Operand(a2));
- __ li(a2, Operand(Smi::FromInt(JSGeneratorObject::kGeneratorExecuting)));
- __ sw(a2, FieldMemOperand(a1, JSGeneratorObject::kContinuationOffset));
- __ Move(v0, a1); // Continuation expects generator object in v0.
- __ Jump(a3);
- }
-
__ bind(&prepare_step_in_if_stepping);
{
FrameScope scope(masm, StackFrame::INTERNAL);
__ Push(a1, a2, t0);
- __ CallRuntime(Runtime::kDebugPrepareStepInIfStepping);
+ __ CallRuntime(Runtime::kDebugOnFunctionCall);
__ Pop(a1, a2);
}
__ Branch(USE_DELAY_SLOT, &stepping_prepared);
@@ -1071,6 +1038,11 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
Operand(BYTECODE_ARRAY_TYPE));
}
+ // Reset code age.
+ DCHECK_EQ(0, BytecodeArray::kNoAgeBytecodeAge);
+ __ sb(zero_reg, FieldMemOperand(kInterpreterBytecodeArrayRegister,
+ BytecodeArray::kBytecodeAgeOffset));
+
// Load initial bytecode offset.
__ li(kInterpreterBytecodeOffsetRegister,
Operand(BytecodeArray::kHeaderSize - kHeapObjectTag));
@@ -1407,11 +1379,6 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
SharedFunctionInfo::kOffsetToPreviousContext));
__ lw(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
__ Branch(&loop_bottom, ne, temp, Operand(native_context));
- // OSR id set to none?
- __ lw(temp, FieldMemOperand(array_pointer,
- SharedFunctionInfo::kOffsetToPreviousOsrAstId));
- const int bailout_id = BailoutId::None().ToInt();
- __ Branch(&loop_bottom, ne, temp, Operand(Smi::FromInt(bailout_id)));
// Literals available?
__ lw(temp, FieldMemOperand(array_pointer,
SharedFunctionInfo::kOffsetToPreviousLiterals));
@@ -1484,13 +1451,13 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
__ And(t1, t1,
Operand(1 << SharedFunctionInfo::kMarkedForTierUpBitWithinByte));
__ Branch(&gotta_call_runtime_no_stack, ne, t1, Operand(zero_reg));
- // Is the full code valid?
+
+ // If SFI points to anything other than CompileLazy, install that.
__ lw(entry, FieldMemOperand(entry, SharedFunctionInfo::kCodeOffset));
- __ lw(t1, FieldMemOperand(entry, Code::kFlagsOffset));
- __ And(t1, t1, Operand(Code::KindField::kMask));
- __ srl(t1, t1, Code::KindField::kShift);
- __ Branch(&gotta_call_runtime_no_stack, eq, t1, Operand(Code::BUILTIN));
- // Yes, install the full code.
+ __ Move(t1, masm->CodeObject());
+ __ Branch(&gotta_call_runtime_no_stack, eq, entry, Operand(t1));
+
+ // Install the SFI's code entry.
__ Addu(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
__ sw(entry, FieldMemOperand(closure, JSFunction::kCodeEntryOffset));
__ RecordWriteCodeEntryField(closure, entry, t1);
@@ -1605,14 +1572,9 @@ static void GenerateMakeCodeYoungAgainCommon(MacroAssembler* masm) {
__ Jump(a0);
}
-#define DEFINE_CODE_AGE_BUILTIN_GENERATOR(C) \
- void Builtins::Generate_Make##C##CodeYoungAgainEvenMarking( \
- MacroAssembler* masm) { \
- GenerateMakeCodeYoungAgainCommon(masm); \
- } \
- void Builtins::Generate_Make##C##CodeYoungAgainOddMarking( \
- MacroAssembler* masm) { \
- GenerateMakeCodeYoungAgainCommon(masm); \
+#define DEFINE_CODE_AGE_BUILTIN_GENERATOR(C) \
+ void Builtins::Generate_Make##C##CodeYoungAgain(MacroAssembler* masm) { \
+ GenerateMakeCodeYoungAgainCommon(masm); \
}
CODE_AGE_LIST(DEFINE_CODE_AGE_BUILTIN_GENERATOR)
#undef DEFINE_CODE_AGE_BUILTIN_GENERATOR
@@ -2173,7 +2135,8 @@ void Builtins::Generate_Apply(MacroAssembler* masm) {
// Create the list of arguments from the array-like argumentsList.
{
- Label create_arguments, create_array, create_runtime, done_create;
+ Label create_arguments, create_array, create_holey_array, create_runtime,
+ done_create;
__ JumpIfSmi(a0, &create_runtime);
// Load the map of argumentsList into a2.
@@ -2189,8 +2152,7 @@ void Builtins::Generate_Apply(MacroAssembler* masm) {
__ Branch(&create_arguments, eq, a2, Operand(at));
// Check if argumentsList is a fast JSArray.
- __ lw(v0, FieldMemOperand(a2, HeapObject::kMapOffset));
- __ lbu(v0, FieldMemOperand(v0, Map::kInstanceTypeOffset));
+ __ lbu(v0, FieldMemOperand(a2, Map::kInstanceTypeOffset));
__ Branch(&create_array, eq, v0, Operand(JS_ARRAY_TYPE));
// Ask the runtime to create the list (actually a FixedArray).
@@ -2216,15 +2178,32 @@ void Builtins::Generate_Apply(MacroAssembler* masm) {
__ mov(a0, t0);
__ Branch(&done_create);
+ // For holey JSArrays we need to check that the array prototype chain
+ // protector is intact and our prototype is the Array.prototype actually.
+ __ bind(&create_holey_array);
+ __ lw(a2, FieldMemOperand(a2, Map::kPrototypeOffset));
+ __ lw(at, ContextMemOperand(t0, Context::INITIAL_ARRAY_PROTOTYPE_INDEX));
+ __ Branch(&create_runtime, ne, a2, Operand(at));
+ __ LoadRoot(at, Heap::kArrayProtectorRootIndex);
+ __ lw(a2, FieldMemOperand(at, PropertyCell::kValueOffset));
+ __ Branch(&create_runtime, ne, a2,
+ Operand(Smi::FromInt(Isolate::kProtectorValid)));
+ __ lw(a2, FieldMemOperand(a0, JSArray::kLengthOffset));
+ __ lw(a0, FieldMemOperand(a0, JSArray::kElementsOffset));
+ __ SmiUntag(a2);
+ __ Branch(&done_create);
+
// Try to create the list from a JSArray object.
__ bind(&create_array);
- __ lw(a2, FieldMemOperand(a2, Map::kBitField2Offset));
- __ DecodeField<Map::ElementsKindBits>(a2);
+ __ lbu(t1, FieldMemOperand(a2, Map::kBitField2Offset));
+ __ DecodeField<Map::ElementsKindBits>(t1);
STATIC_ASSERT(FAST_SMI_ELEMENTS == 0);
STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1);
STATIC_ASSERT(FAST_ELEMENTS == 2);
- __ Branch(&create_runtime, hi, a2, Operand(FAST_ELEMENTS));
- __ Branch(&create_runtime, eq, a2, Operand(FAST_HOLEY_SMI_ELEMENTS));
+ STATIC_ASSERT(FAST_HOLEY_ELEMENTS == 3);
+ __ Branch(&create_holey_array, eq, t1, Operand(FAST_HOLEY_SMI_ELEMENTS));
+ __ Branch(&create_holey_array, eq, t1, Operand(FAST_HOLEY_ELEMENTS));
+ __ Branch(&create_runtime, hi, t1, Operand(FAST_ELEMENTS));
__ lw(a2, FieldMemOperand(a0, JSArray::kLengthOffset));
__ lw(a0, FieldMemOperand(a0, JSArray::kElementsOffset));
__ SmiUntag(a2);
@@ -2259,11 +2238,15 @@ void Builtins::Generate_Apply(MacroAssembler* masm) {
// Push arguments onto the stack (thisArgument is already on the stack).
{
__ mov(t0, zero_reg);
- Label done, loop;
+ Label done, push, loop;
+ __ LoadRoot(t1, Heap::kTheHoleValueRootIndex);
__ bind(&loop);
__ Branch(&done, eq, t0, Operand(a2));
__ Lsa(at, a0, t0, kPointerSizeLog2);
__ lw(at, FieldMemOperand(at, FixedArray::kHeaderSize));
+ __ Branch(&push, ne, t1, Operand(at));
+ __ LoadRoot(at, Heap::kUndefinedValueRootIndex);
+ __ bind(&push);
__ Push(at);
__ Addu(t0, t0, Operand(1));
__ Branch(&loop);
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