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Unified Diff: src/ppc/builtins-ppc.cc

Issue 714093002: PowerPC specific sub-directories. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 1 month ago
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Index: src/ppc/builtins-ppc.cc
diff --git a/src/arm/builtins-arm.cc b/src/ppc/builtins-ppc.cc
similarity index 50%
copy from src/arm/builtins-arm.cc
copy to src/ppc/builtins-ppc.cc
index db7033d189271083ffdd52dd9ccde51268a914b8..7817fcd0f67319dd77457a2930f9ee532a320e09 100644
--- a/src/arm/builtins-arm.cc
+++ b/src/ppc/builtins-ppc.cc
@@ -1,10 +1,10 @@
-// Copyright 2012 the V8 project authors. All rights reserved.
+// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/v8.h"
-#if V8_TARGET_ARCH_ARM
+#if V8_TARGET_ARCH_PPC
#include "src/codegen.h"
#include "src/debug.h"
@@ -19,12 +19,11 @@ namespace internal {
#define __ ACCESS_MASM(masm)
-void Builtins::Generate_Adaptor(MacroAssembler* masm,
- CFunctionId id,
+void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id,
BuiltinExtraArguments extra_args) {
// ----------- S t a t e -------------
- // -- r0 : number of arguments excluding receiver
- // -- r1 : called function (only guaranteed when
+ // -- r3 : number of arguments excluding receiver
+ // -- r4 : called function (only guaranteed when
// extra_args requires it)
// -- cp : context
// -- sp[0] : last argument
@@ -37,14 +36,14 @@ void Builtins::Generate_Adaptor(MacroAssembler* masm,
int num_extra_args = 0;
if (extra_args == NEEDS_CALLED_FUNCTION) {
num_extra_args = 1;
- __ push(r1);
+ __ push(r4);
} else {
DCHECK(extra_args == NO_EXTRA_ARGUMENTS);
}
// JumpToExternalReference expects r0 to contain the number of arguments
// including the receiver and the extra arguments.
- __ add(r0, r0, Operand(num_extra_args + 1));
+ __ addi(r3, r3, Operand(num_extra_args + 1));
__ JumpToExternalReference(ExternalReference(id, masm->isolate()));
}
@@ -54,15 +53,13 @@ static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
Register result) {
// Load the native context.
- __ ldr(result,
- MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
- __ ldr(result,
- FieldMemOperand(result, GlobalObject::kNativeContextOffset));
+ __ LoadP(result,
+ MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+ __ LoadP(result, FieldMemOperand(result, GlobalObject::kNativeContextOffset));
// Load the InternalArray function from the native context.
- __ ldr(result,
- MemOperand(result,
- Context::SlotOffset(
- Context::INTERNAL_ARRAY_FUNCTION_INDEX)));
+ __ LoadP(result,
+ MemOperand(result, Context::SlotOffset(
+ Context::INTERNAL_ARRAY_FUNCTION_INDEX)));
}
@@ -70,34 +67,33 @@ static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
static void GenerateLoadArrayFunction(MacroAssembler* masm, Register result) {
// Load the native context.
- __ ldr(result,
- MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
- __ ldr(result,
- FieldMemOperand(result, GlobalObject::kNativeContextOffset));
+ __ LoadP(result,
+ MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+ __ LoadP(result, FieldMemOperand(result, GlobalObject::kNativeContextOffset));
// Load the Array function from the native context.
- __ ldr(result,
- MemOperand(result,
- Context::SlotOffset(Context::ARRAY_FUNCTION_INDEX)));
+ __ LoadP(
+ result,
+ MemOperand(result, Context::SlotOffset(Context::ARRAY_FUNCTION_INDEX)));
}
void Builtins::Generate_InternalArrayCode(MacroAssembler* masm) {
// ----------- S t a t e -------------
- // -- r0 : number of arguments
+ // -- r3 : number of arguments
// -- lr : return address
// -- sp[...]: constructor arguments
// -----------------------------------
Label generic_array_code, one_or_more_arguments, two_or_more_arguments;
// Get the InternalArray function.
- GenerateLoadInternalArrayFunction(masm, r1);
+ GenerateLoadInternalArrayFunction(masm, r4);
if (FLAG_debug_code) {
// Initial map for the builtin InternalArray functions should be maps.
- __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
- __ SmiTst(r2);
- __ Assert(ne, kUnexpectedInitialMapForInternalArrayFunction);
- __ CompareObjectType(r2, r3, r4, MAP_TYPE);
+ __ LoadP(r5, FieldMemOperand(r4, JSFunction::kPrototypeOrInitialMapOffset));
+ __ TestIfSmi(r5, r0);
+ __ Assert(ne, kUnexpectedInitialMapForInternalArrayFunction, cr0);
+ __ CompareObjectType(r5, r6, r7, MAP_TYPE);
__ Assert(eq, kUnexpectedInitialMapForInternalArrayFunction);
}
@@ -111,27 +107,27 @@ void Builtins::Generate_InternalArrayCode(MacroAssembler* masm) {
void Builtins::Generate_ArrayCode(MacroAssembler* masm) {
// ----------- S t a t e -------------
- // -- r0 : number of arguments
+ // -- r3 : number of arguments
// -- lr : return address
// -- sp[...]: constructor arguments
// -----------------------------------
Label generic_array_code, one_or_more_arguments, two_or_more_arguments;
// Get the Array function.
- GenerateLoadArrayFunction(masm, r1);
+ GenerateLoadArrayFunction(masm, r4);
if (FLAG_debug_code) {
// Initial map for the builtin Array functions should be maps.
- __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
- __ SmiTst(r2);
- __ Assert(ne, kUnexpectedInitialMapForArrayFunction);
- __ CompareObjectType(r2, r3, r4, MAP_TYPE);
+ __ LoadP(r5, FieldMemOperand(r4, JSFunction::kPrototypeOrInitialMapOffset));
+ __ TestIfSmi(r5, r0);
+ __ Assert(ne, kUnexpectedInitialMapForArrayFunction, cr0);
+ __ CompareObjectType(r5, r6, r7, MAP_TYPE);
__ Assert(eq, kUnexpectedInitialMapForArrayFunction);
}
// Run the native code for the Array function called as a normal function.
// tail call a stub
- __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
+ __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
ArrayConstructorStub stub(masm->isolate());
__ TailCallStub(&stub);
}
@@ -139,75 +135,76 @@ void Builtins::Generate_ArrayCode(MacroAssembler* masm) {
void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
// ----------- S t a t e -------------
- // -- r0 : number of arguments
- // -- r1 : constructor function
+ // -- r3 : number of arguments
+ // -- r4 : constructor function
// -- lr : return address
// -- sp[(argc - n - 1) * 4] : arg[n] (zero based)
// -- sp[argc * 4] : receiver
// -----------------------------------
Counters* counters = masm->isolate()->counters();
- __ IncrementCounter(counters->string_ctor_calls(), 1, r2, r3);
+ __ IncrementCounter(counters->string_ctor_calls(), 1, r5, r6);
- Register function = r1;
+ Register function = r4;
if (FLAG_debug_code) {
- __ LoadGlobalFunction(Context::STRING_FUNCTION_INDEX, r2);
- __ cmp(function, Operand(r2));
+ __ LoadGlobalFunction(Context::STRING_FUNCTION_INDEX, r5);
+ __ cmp(function, r5);
__ Assert(eq, kUnexpectedStringFunction);
}
- // Load the first arguments in r0 and get rid of the rest.
+ // Load the first arguments in r3 and get rid of the rest.
Label no_arguments;
- __ cmp(r0, Operand::Zero());
- __ b(eq, &no_arguments);
+ __ cmpi(r3, Operand::Zero());
+ __ beq(&no_arguments);
// First args = sp[(argc - 1) * 4].
- __ sub(r0, r0, Operand(1));
- __ ldr(r0, MemOperand(sp, r0, LSL, kPointerSizeLog2, PreIndex));
+ __ subi(r3, r3, Operand(1));
+ __ ShiftLeftImm(r3, r3, Operand(kPointerSizeLog2));
+ __ add(sp, sp, r3);
+ __ LoadP(r3, MemOperand(sp));
// sp now point to args[0], drop args[0] + receiver.
__ Drop(2);
- Register argument = r2;
+ Register argument = r5;
Label not_cached, argument_is_string;
- __ LookupNumberStringCache(r0, // Input.
+ __ LookupNumberStringCache(r3, // Input.
argument, // Result.
- r3, // Scratch.
- r4, // Scratch.
- r5, // Scratch.
+ r6, // Scratch.
+ r7, // Scratch.
+ r8, // Scratch.
&not_cached);
- __ IncrementCounter(counters->string_ctor_cached_number(), 1, r3, r4);
+ __ IncrementCounter(counters->string_ctor_cached_number(), 1, r6, r7);
__ bind(&argument_is_string);
// ----------- S t a t e -------------
- // -- r2 : argument converted to string
- // -- r1 : constructor function
+ // -- r5 : argument converted to string
+ // -- r4 : constructor function
// -- lr : return address
// -----------------------------------
Label gc_required;
__ Allocate(JSValue::kSize,
- r0, // Result.
- r3, // Scratch.
- r4, // Scratch.
- &gc_required,
- TAG_OBJECT);
+ r3, // Result.
+ r6, // Scratch.
+ r7, // Scratch.
+ &gc_required, TAG_OBJECT);
// Initialising the String Object.
- Register map = r3;
- __ LoadGlobalFunctionInitialMap(function, map, r4);
+ Register map = r6;
+ __ LoadGlobalFunctionInitialMap(function, map, r7);
if (FLAG_debug_code) {
- __ ldrb(r4, FieldMemOperand(map, Map::kInstanceSizeOffset));
- __ cmp(r4, Operand(JSValue::kSize >> kPointerSizeLog2));
+ __ lbz(r7, FieldMemOperand(map, Map::kInstanceSizeOffset));
+ __ cmpi(r7, Operand(JSValue::kSize >> kPointerSizeLog2));
__ Assert(eq, kUnexpectedStringWrapperInstanceSize);
- __ ldrb(r4, FieldMemOperand(map, Map::kUnusedPropertyFieldsOffset));
- __ cmp(r4, Operand::Zero());
+ __ lbz(r7, FieldMemOperand(map, Map::kUnusedPropertyFieldsOffset));
+ __ cmpi(r7, Operand::Zero());
__ Assert(eq, kUnexpectedUnusedPropertiesOfStringWrapper);
}
- __ str(map, FieldMemOperand(r0, HeapObject::kMapOffset));
+ __ StoreP(map, FieldMemOperand(r3, HeapObject::kMapOffset), r0);
- __ LoadRoot(r3, Heap::kEmptyFixedArrayRootIndex);
- __ str(r3, FieldMemOperand(r0, JSObject::kPropertiesOffset));
- __ str(r3, FieldMemOperand(r0, JSObject::kElementsOffset));
+ __ LoadRoot(r6, Heap::kEmptyFixedArrayRootIndex);
+ __ StoreP(r6, FieldMemOperand(r3, JSObject::kPropertiesOffset), r0);
+ __ StoreP(r6, FieldMemOperand(r3, JSObject::kElementsOffset), r0);
- __ str(argument, FieldMemOperand(r0, JSValue::kValueOffset));
+ __ StoreP(argument, FieldMemOperand(r3, JSValue::kValueOffset), r0);
// Ensure the object is fully initialized.
STATIC_ASSERT(JSValue::kSize == 4 * kPointerSize);
@@ -218,32 +215,32 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
// if it's a string already before calling the conversion builtin.
Label convert_argument;
__ bind(&not_cached);
- __ JumpIfSmi(r0, &convert_argument);
+ __ JumpIfSmi(r3, &convert_argument);
// Is it a String?
- __ ldr(r2, FieldMemOperand(r0, HeapObject::kMapOffset));
- __ ldrb(r3, FieldMemOperand(r2, Map::kInstanceTypeOffset));
+ __ LoadP(r5, FieldMemOperand(r3, HeapObject::kMapOffset));
+ __ lbz(r6, FieldMemOperand(r5, Map::kInstanceTypeOffset));
STATIC_ASSERT(kNotStringTag != 0);
- __ tst(r3, Operand(kIsNotStringMask));
- __ b(ne, &convert_argument);
- __ mov(argument, r0);
- __ IncrementCounter(counters->string_ctor_conversions(), 1, r3, r4);
+ __ andi(r0, r6, Operand(kIsNotStringMask));
+ __ bne(&convert_argument, cr0);
+ __ mr(argument, r3);
+ __ IncrementCounter(counters->string_ctor_conversions(), 1, r6, r7);
__ b(&argument_is_string);
- // Invoke the conversion builtin and put the result into r2.
+ // Invoke the conversion builtin and put the result into r5.
__ bind(&convert_argument);
__ push(function); // Preserve the function.
- __ IncrementCounter(counters->string_ctor_conversions(), 1, r3, r4);
+ __ IncrementCounter(counters->string_ctor_conversions(), 1, r6, r7);
{
FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
- __ push(r0);
+ __ push(r3);
__ InvokeBuiltin(Builtins::TO_STRING, CALL_FUNCTION);
}
__ pop(function);
- __ mov(argument, r0);
+ __ mr(argument, r3);
__ b(&argument_is_string);
- // Load the empty string into r2, remove the receiver from the
+ // Load the empty string into r5, remove the receiver from the
// stack, and jump back to the case where the argument is a string.
__ bind(&no_arguments);
__ LoadRoot(argument, Heap::kempty_stringRootIndex);
@@ -253,7 +250,7 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
// At this point the argument is already a string. Call runtime to
// create a string wrapper.
__ bind(&gc_required);
- __ IncrementCounter(counters->string_ctor_gc_required(), 1, r3, r4);
+ __ IncrementCounter(counters->string_ctor_gc_required(), 1, r6, r7);
{
FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
__ push(argument);
@@ -263,31 +260,30 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
}
-static void CallRuntimePassFunction(
- MacroAssembler* masm, Runtime::FunctionId function_id) {
+static void CallRuntimePassFunction(MacroAssembler* masm,
+ Runtime::FunctionId function_id) {
FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
// Push a copy of the function onto the stack.
- __ push(r1);
// Push function as parameter to the runtime call.
- __ Push(r1);
+ __ Push(r4, r4);
__ CallRuntime(function_id, 1);
- // Restore receiver.
- __ pop(r1);
+ // Restore reciever.
+ __ Pop(r4);
}
static void GenerateTailCallToSharedCode(MacroAssembler* masm) {
- __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
- __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kCodeOffset));
- __ add(r2, r2, Operand(Code::kHeaderSize - kHeapObjectTag));
- __ Jump(r2);
+ __ LoadP(ip, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
+ __ LoadP(ip, FieldMemOperand(ip, SharedFunctionInfo::kCodeOffset));
+ __ addi(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
+ __ JumpToJSEntry(ip);
}
static void GenerateTailCallToReturnedCode(MacroAssembler* masm) {
- __ add(r0, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
- __ Jump(r0);
+ __ addi(ip, r3, Operand(Code::kHeaderSize - kHeapObjectTag));
+ __ JumpToJSEntry(ip);
}
@@ -299,8 +295,8 @@ void Builtins::Generate_InOptimizationQueue(MacroAssembler* masm) {
// stack limit as a cue for an interrupt signal.
Label ok;
__ LoadRoot(ip, Heap::kStackLimitRootIndex);
- __ cmp(sp, Operand(ip));
- __ b(hs, &ok);
+ __ cmpl(sp, ip);
+ __ bge(&ok);
CallRuntimePassFunction(masm, Runtime::kTryInstallOptimizedCode);
GenerateTailCallToReturnedCode(masm);
@@ -314,9 +310,9 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
bool is_api_function,
bool create_memento) {
// ----------- S t a t e -------------
- // -- r0 : number of arguments
- // -- r1 : constructor function
- // -- r2 : allocation site or undefined
+ // -- r3 : number of arguments
+ // -- r4 : constructor function
+ // -- r5 : allocation site or undefined
// -- lr : return address
// -- sp[...]: constructor arguments
// -----------------------------------
@@ -331,14 +327,14 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
FrameAndConstantPoolScope scope(masm, StackFrame::CONSTRUCT);
if (create_memento) {
- __ AssertUndefinedOrAllocationSite(r2, r3);
- __ push(r2);
+ __ AssertUndefinedOrAllocationSite(r5, r6);
+ __ push(r5);
}
// Preserve the two incoming parameters on the stack.
- __ SmiTag(r0);
- __ push(r0); // Smi-tagged arguments count.
- __ push(r1); // Constructor function.
+ __ SmiTag(r3);
+ __ push(r3); // Smi-tagged arguments count.
+ __ push(r4); // Constructor function.
// Try to allocate the object without transitioning into C code. If any of
// the preconditions is not met, the code bails out to the runtime call.
@@ -347,315 +343,320 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
Label undo_allocation;
ExternalReference debug_step_in_fp =
ExternalReference::debug_step_in_fp_address(isolate);
- __ mov(r2, Operand(debug_step_in_fp));
- __ ldr(r2, MemOperand(r2));
- __ tst(r2, r2);
- __ b(ne, &rt_call);
+ __ mov(r5, Operand(debug_step_in_fp));
+ __ LoadP(r5, MemOperand(r5));
+ __ cmpi(r5, Operand::Zero());
+ __ bne(&rt_call);
// Load the initial map and verify that it is in fact a map.
- // r1: constructor function
- __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
- __ JumpIfSmi(r2, &rt_call);
- __ CompareObjectType(r2, r3, r4, MAP_TYPE);
- __ b(ne, &rt_call);
+ // r4: constructor function
+ __ LoadP(r5,
+ FieldMemOperand(r4, JSFunction::kPrototypeOrInitialMapOffset));
+ __ JumpIfSmi(r5, &rt_call);
+ __ CompareObjectType(r5, r6, r7, MAP_TYPE);
+ __ bne(&rt_call);
// Check that the constructor is not constructing a JSFunction (see
// comments in Runtime_NewObject in runtime.cc). In which case the
// initial map's instance type would be JS_FUNCTION_TYPE.
- // r1: constructor function
- // r2: initial map
- __ CompareInstanceType(r2, r3, JS_FUNCTION_TYPE);
- __ b(eq, &rt_call);
+ // r4: constructor function
+ // r5: initial map
+ __ CompareInstanceType(r5, r6, JS_FUNCTION_TYPE);
+ __ beq(&rt_call);
if (!is_api_function) {
Label allocate;
- MemOperand bit_field3 = FieldMemOperand(r2, Map::kBitField3Offset);
+ MemOperand bit_field3 = FieldMemOperand(r5, Map::kBitField3Offset);
// Check if slack tracking is enabled.
- __ ldr(r4, bit_field3);
- __ DecodeField<Map::ConstructionCount>(r3, r4);
- __ cmp(r3, Operand(JSFunction::kNoSlackTracking));
- __ b(eq, &allocate);
+ __ lwz(r7, bit_field3);
+ __ DecodeField<Map::ConstructionCount>(r11, r7);
+ STATIC_ASSERT(JSFunction::kNoSlackTracking == 0);
+ __ cmpi(r11, Operand::Zero()); // JSFunction::kNoSlackTracking
+ __ beq(&allocate);
// Decrease generous allocation count.
- __ sub(r4, r4, Operand(1 << Map::ConstructionCount::kShift));
- __ str(r4, bit_field3);
- __ cmp(r3, Operand(JSFunction::kFinishSlackTracking));
- __ b(ne, &allocate);
+ __ Add(r7, r7, -(1 << Map::ConstructionCount::kShift), r0);
+ __ stw(r7, bit_field3);
+ __ cmpi(r11, Operand(JSFunction::kFinishSlackTracking));
+ __ bne(&allocate);
- __ push(r1);
+ __ push(r4);
- __ Push(r2, r1); // r1 = constructor
+ __ Push(r5, r4); // r4 = constructor
__ CallRuntime(Runtime::kFinalizeInstanceSize, 1);
- __ pop(r2);
- __ pop(r1);
+ __ Pop(r4, r5);
__ bind(&allocate);
}
// Now allocate the JSObject on the heap.
- // r1: constructor function
- // r2: initial map
- __ ldrb(r3, FieldMemOperand(r2, Map::kInstanceSizeOffset));
+ // r4: constructor function
+ // r5: initial map
+ __ lbz(r6, FieldMemOperand(r5, Map::kInstanceSizeOffset));
if (create_memento) {
- __ add(r3, r3, Operand(AllocationMemento::kSize / kPointerSize));
+ __ addi(r6, r6, Operand(AllocationMemento::kSize / kPointerSize));
}
- __ Allocate(r3, r4, r5, r6, &rt_call, SIZE_IN_WORDS);
+ __ Allocate(r6, r7, r8, r9, &rt_call, SIZE_IN_WORDS);
// Allocated the JSObject, now initialize the fields. Map is set to
// initial map and properties and elements are set to empty fixed array.
- // r1: constructor function
- // r2: initial map
- // r3: object size (not including memento if create_memento)
- // r4: JSObject (not tagged)
- __ LoadRoot(r6, Heap::kEmptyFixedArrayRootIndex);
- __ mov(r5, r4);
- DCHECK_EQ(0 * kPointerSize, JSObject::kMapOffset);
- __ str(r2, MemOperand(r5, kPointerSize, PostIndex));
- DCHECK_EQ(1 * kPointerSize, JSObject::kPropertiesOffset);
- __ str(r6, MemOperand(r5, kPointerSize, PostIndex));
- DCHECK_EQ(2 * kPointerSize, JSObject::kElementsOffset);
- __ str(r6, MemOperand(r5, kPointerSize, PostIndex));
+ // r4: constructor function
+ // r5: initial map
+ // r6: object size (not including memento if create_memento)
+ // r7: JSObject (not tagged)
+ __ LoadRoot(r9, Heap::kEmptyFixedArrayRootIndex);
+ __ mr(r8, r7);
+ __ StoreP(r5, MemOperand(r8, JSObject::kMapOffset));
+ __ StoreP(r9, MemOperand(r8, JSObject::kPropertiesOffset));
+ __ StoreP(r9, MemOperand(r8, JSObject::kElementsOffset));
+ __ addi(r8, r8, Operand(JSObject::kElementsOffset + kPointerSize));
+
+ __ ShiftLeftImm(r9, r6, Operand(kPointerSizeLog2));
+ __ add(r9, r7, r9); // End of object.
// Fill all the in-object properties with the appropriate filler.
- // r1: constructor function
- // r2: initial map
- // r3: object size (in words, including memento if create_memento)
- // r4: JSObject (not tagged)
- // r5: First in-object property of JSObject (not tagged)
+ // r4: constructor function
+ // r5: initial map
+ // r6: object size (in words, including memento if create_memento)
+ // r7: JSObject (not tagged)
+ // r8: First in-object property of JSObject (not tagged)
+ // r9: End of object
DCHECK_EQ(3 * kPointerSize, JSObject::kHeaderSize);
- __ LoadRoot(r6, Heap::kUndefinedValueRootIndex);
+ __ LoadRoot(r10, Heap::kUndefinedValueRootIndex);
if (!is_api_function) {
Label no_inobject_slack_tracking;
// Check if slack tracking is enabled.
- __ ldr(ip, FieldMemOperand(r2, Map::kBitField3Offset));
- __ DecodeField<Map::ConstructionCount>(ip);
- __ cmp(ip, Operand(JSFunction::kNoSlackTracking));
- __ b(eq, &no_inobject_slack_tracking);
+ STATIC_ASSERT(JSFunction::kNoSlackTracking == 0);
+ __ cmpi(r11, Operand::Zero()); // JSFunction::kNoSlackTracking
+ __ beq(&no_inobject_slack_tracking);
// Allocate object with a slack.
- __ ldr(r0, FieldMemOperand(r2, Map::kInstanceSizesOffset));
- __ Ubfx(r0, r0, Map::kPreAllocatedPropertyFieldsByte * kBitsPerByte,
- kBitsPerByte);
- __ add(r0, r5, Operand(r0, LSL, kPointerSizeLog2));
- // r0: offset of first field after pre-allocated fields
+ __ lbz(r3, FieldMemOperand(r5, Map::kPreAllocatedPropertyFieldsOffset));
if (FLAG_debug_code) {
- __ add(ip, r4, Operand(r3, LSL, kPointerSizeLog2)); // End of object.
- __ cmp(r0, ip);
+ __ ShiftLeftImm(r0, r3, Operand(kPointerSizeLog2));
+ __ add(r0, r8, r0);
+ // r0: offset of first field after pre-allocated fields
+ __ cmp(r0, r9);
__ Assert(le, kUnexpectedNumberOfPreAllocatedPropertyFields);
}
- __ InitializeFieldsWithFiller(r5, r0, r6);
+ {
+ Label done;
+ __ cmpi(r3, Operand::Zero());
+ __ beq(&done);
+ __ InitializeNFieldsWithFiller(r8, r3, r10);
+ __ bind(&done);
+ }
// To allow for truncation.
- __ LoadRoot(r6, Heap::kOnePointerFillerMapRootIndex);
+ __ LoadRoot(r10, Heap::kOnePointerFillerMapRootIndex);
// Fill the remaining fields with one pointer filler map.
__ bind(&no_inobject_slack_tracking);
}
if (create_memento) {
- __ sub(ip, r3, Operand(AllocationMemento::kSize / kPointerSize));
- __ add(r0, r4, Operand(ip, LSL, kPointerSizeLog2)); // End of object.
- __ InitializeFieldsWithFiller(r5, r0, r6);
+ __ subi(r3, r9, Operand(AllocationMemento::kSize));
+ __ InitializeFieldsWithFiller(r8, r3, r10);
// Fill in memento fields.
- // r5: points to the allocated but uninitialized memento.
- __ LoadRoot(r6, Heap::kAllocationMementoMapRootIndex);
- DCHECK_EQ(0 * kPointerSize, AllocationMemento::kMapOffset);
- __ str(r6, MemOperand(r5, kPointerSize, PostIndex));
+ // r8: points to the allocated but uninitialized memento.
+ __ LoadRoot(r10, Heap::kAllocationMementoMapRootIndex);
+ __ StoreP(r10, MemOperand(r8, AllocationMemento::kMapOffset));
// Load the AllocationSite
- __ ldr(r6, MemOperand(sp, 2 * kPointerSize));
- DCHECK_EQ(1 * kPointerSize, AllocationMemento::kAllocationSiteOffset);
- __ str(r6, MemOperand(r5, kPointerSize, PostIndex));
+ __ LoadP(r10, MemOperand(sp, 2 * kPointerSize));
+ __ StoreP(r10,
+ MemOperand(r8, AllocationMemento::kAllocationSiteOffset));
+ __ addi(r8, r8, Operand(AllocationMemento::kAllocationSiteOffset +
+ kPointerSize));
} else {
- __ add(r0, r4, Operand(r3, LSL, kPointerSizeLog2)); // End of object.
- __ InitializeFieldsWithFiller(r5, r0, r6);
+ __ InitializeFieldsWithFiller(r8, r9, r10);
}
// Add the object tag to make the JSObject real, so that we can continue
// and jump into the continuation code at any time from now on. Any
// failures need to undo the allocation, so that the heap is in a
// consistent state and verifiable.
- __ add(r4, r4, Operand(kHeapObjectTag));
+ __ addi(r7, r7, Operand(kHeapObjectTag));
// Check if a non-empty properties array is needed. Continue with
// allocated object if not fall through to runtime call if it is.
- // r1: constructor function
- // r4: JSObject
- // r5: start of next object (not tagged)
- __ ldrb(r3, FieldMemOperand(r2, Map::kUnusedPropertyFieldsOffset));
+ // r4: constructor function
+ // r7: JSObject
+ // r8: start of next object (not tagged)
+ __ lbz(r6, FieldMemOperand(r5, Map::kUnusedPropertyFieldsOffset));
// The field instance sizes contains both pre-allocated property fields
// and in-object properties.
- __ ldr(r0, FieldMemOperand(r2, Map::kInstanceSizesOffset));
- __ Ubfx(r6, r0, Map::kPreAllocatedPropertyFieldsByte * kBitsPerByte,
- kBitsPerByte);
- __ add(r3, r3, Operand(r6));
- __ Ubfx(r6, r0, Map::kInObjectPropertiesByte * kBitsPerByte,
- kBitsPerByte);
- __ sub(r3, r3, Operand(r6), SetCC);
+ __ lbz(r0, FieldMemOperand(r5, Map::kPreAllocatedPropertyFieldsOffset));
+ __ add(r6, r6, r0);
+ __ lbz(r0, FieldMemOperand(r5, Map::kInObjectPropertiesOffset));
+ __ sub(r6, r6, r0, LeaveOE, SetRC);
// Done if no extra properties are to be allocated.
- __ b(eq, &allocated);
- __ Assert(pl, kPropertyAllocationCountFailed);
+ __ beq(&allocated, cr0);
+ __ Assert(ge, kPropertyAllocationCountFailed, cr0);
// Scale the number of elements by pointer size and add the header for
// FixedArrays to the start of the next object calculation from above.
- // r1: constructor
- // r3: number of elements in properties array
- // r4: JSObject
- // r5: start of next object
- __ add(r0, r3, Operand(FixedArray::kHeaderSize / kPointerSize));
+ // r4: constructor
+ // r6: number of elements in properties array
+ // r7: JSObject
+ // r8: start of next object
+ __ addi(r3, r6, Operand(FixedArray::kHeaderSize / kPointerSize));
__ Allocate(
- r0,
- r5,
- r6,
- r2,
- &undo_allocation,
+ r3, r8, r9, r5, &undo_allocation,
static_cast<AllocationFlags>(RESULT_CONTAINS_TOP | SIZE_IN_WORDS));
// Initialize the FixedArray.
- // r1: constructor
- // r3: number of elements in properties array
- // r4: JSObject
- // r5: FixedArray (not tagged)
- __ LoadRoot(r6, Heap::kFixedArrayMapRootIndex);
- __ mov(r2, r5);
+ // r4: constructor
+ // r6: number of elements in properties array
+ // r7: JSObject
+ // r8: FixedArray (not tagged)
+ __ LoadRoot(r9, Heap::kFixedArrayMapRootIndex);
+ __ mr(r5, r8);
DCHECK_EQ(0 * kPointerSize, JSObject::kMapOffset);
- __ str(r6, MemOperand(r2, kPointerSize, PostIndex));
+ __ StoreP(r9, MemOperand(r5));
DCHECK_EQ(1 * kPointerSize, FixedArray::kLengthOffset);
- __ SmiTag(r0, r3);
- __ str(r0, MemOperand(r2, kPointerSize, PostIndex));
+ __ SmiTag(r3, r6);
+ __ StoreP(r3, MemOperand(r5, kPointerSize));
+ __ addi(r5, r5, Operand(2 * kPointerSize));
// Initialize the fields to undefined.
- // r1: constructor function
- // r2: First element of FixedArray (not tagged)
- // r3: number of elements in properties array
- // r4: JSObject
- // r5: FixedArray (not tagged)
- __ add(r6, r2, Operand(r3, LSL, kPointerSizeLog2)); // End of object.
+ // r4: constructor function
+ // r5: First element of FixedArray (not tagged)
+ // r6: number of elements in properties array
+ // r7: JSObject
+ // r8: FixedArray (not tagged)
DCHECK_EQ(2 * kPointerSize, FixedArray::kHeaderSize);
- { Label loop, entry;
- __ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
- __ b(&entry);
- __ bind(&loop);
- __ str(r0, MemOperand(r2, kPointerSize, PostIndex));
- __ bind(&entry);
- __ cmp(r2, r6);
- __ b(lt, &loop);
+ {
+ Label done;
+ __ cmpi(r6, Operand::Zero());
+ __ beq(&done);
+ if (!is_api_function || create_memento) {
+ __ LoadRoot(r10, Heap::kUndefinedValueRootIndex);
+ } else if (FLAG_debug_code) {
+ __ LoadRoot(r11, Heap::kUndefinedValueRootIndex);
+ __ cmp(r10, r11);
+ __ Assert(eq, kUndefinedValueNotLoaded);
+ }
+ __ InitializeNFieldsWithFiller(r5, r6, r10);
+ __ bind(&done);
}
// Store the initialized FixedArray into the properties field of
// the JSObject
- // r1: constructor function
- // r4: JSObject
- // r5: FixedArray (not tagged)
- __ add(r5, r5, Operand(kHeapObjectTag)); // Add the heap tag.
- __ str(r5, FieldMemOperand(r4, JSObject::kPropertiesOffset));
+ // r4: constructor function
+ // r7: JSObject
+ // r8: FixedArray (not tagged)
+ __ addi(r8, r8, Operand(kHeapObjectTag)); // Add the heap tag.
+ __ StoreP(r8, FieldMemOperand(r7, JSObject::kPropertiesOffset), r0);
// Continue with JSObject being successfully allocated
- // r1: constructor function
- // r4: JSObject
- __ jmp(&allocated);
+ // r4: constructor function
+ // r7: JSObject
+ __ b(&allocated);
// Undo the setting of the new top so that the heap is verifiable. For
// example, the map's unused properties potentially do not match the
// allocated objects unused properties.
- // r4: JSObject (previous new top)
+ // r7: JSObject (previous new top)
__ bind(&undo_allocation);
- __ UndoAllocationInNewSpace(r4, r5);
+ __ UndoAllocationInNewSpace(r7, r8);
}
// Allocate the new receiver object using the runtime call.
- // r1: constructor function
+ // r4: constructor function
__ bind(&rt_call);
if (create_memento) {
// Get the cell or allocation site.
- __ ldr(r2, MemOperand(sp, 2 * kPointerSize));
- __ push(r2);
+ __ LoadP(r5, MemOperand(sp, 2 * kPointerSize));
+ __ push(r5);
}
- __ push(r1); // argument for Runtime_NewObject
+ __ push(r4); // argument for Runtime_NewObject
if (create_memento) {
__ CallRuntime(Runtime::kNewObjectWithAllocationSite, 2);
} else {
__ CallRuntime(Runtime::kNewObject, 1);
}
- __ mov(r4, r0);
+ __ mr(r7, r3);
// If we ended up using the runtime, and we want a memento, then the
// runtime call made it for us, and we shouldn't do create count
// increment.
Label count_incremented;
if (create_memento) {
- __ jmp(&count_incremented);
+ __ b(&count_incremented);
}
// Receiver for constructor call allocated.
- // r4: JSObject
+ // r7: JSObject
__ bind(&allocated);
if (create_memento) {
- __ ldr(r2, MemOperand(sp, kPointerSize * 2));
- __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
- __ cmp(r2, r5);
- __ b(eq, &count_incremented);
- // r2 is an AllocationSite. We are creating a memento from it, so we
+ __ LoadP(r5, MemOperand(sp, kPointerSize * 2));
+ __ LoadRoot(r8, Heap::kUndefinedValueRootIndex);
+ __ cmp(r5, r8);
+ __ beq(&count_incremented);
+ // r5 is an AllocationSite. We are creating a memento from it, so we
// need to increment the memento create count.
- __ ldr(r3, FieldMemOperand(r2,
- AllocationSite::kPretenureCreateCountOffset));
- __ add(r3, r3, Operand(Smi::FromInt(1)));
- __ str(r3, FieldMemOperand(r2,
- AllocationSite::kPretenureCreateCountOffset));
+ __ LoadP(
+ r6, FieldMemOperand(r5, AllocationSite::kPretenureCreateCountOffset));
+ __ AddSmiLiteral(r6, r6, Smi::FromInt(1), r0);
+ __ StoreP(
+ r6, FieldMemOperand(r5, AllocationSite::kPretenureCreateCountOffset),
+ r0);
__ bind(&count_incremented);
}
- __ push(r4);
- __ push(r4);
+ __ Push(r7, r7);
// Reload the number of arguments and the constructor from the stack.
// sp[0]: receiver
// sp[1]: receiver
// sp[2]: constructor function
// sp[3]: number of arguments (smi-tagged)
- __ ldr(r1, MemOperand(sp, 2 * kPointerSize));
- __ ldr(r3, MemOperand(sp, 3 * kPointerSize));
+ __ LoadP(r4, MemOperand(sp, 2 * kPointerSize));
+ __ LoadP(r6, MemOperand(sp, 3 * kPointerSize));
// Set up pointer to last argument.
- __ add(r2, fp, Operand(StandardFrameConstants::kCallerSPOffset));
+ __ addi(r5, fp, Operand(StandardFrameConstants::kCallerSPOffset));
// Set up number of arguments for function call below
- __ SmiUntag(r0, r3);
+ __ SmiUntag(r3, r6);
// Copy arguments and receiver to the expression stack.
- // r0: number of arguments
- // r1: constructor function
- // r2: address of last argument (caller sp)
- // r3: number of arguments (smi-tagged)
+ // r3: number of arguments
+ // r4: constructor function
+ // r5: address of last argument (caller sp)
+ // r6: number of arguments (smi-tagged)
// sp[0]: receiver
// sp[1]: receiver
// sp[2]: constructor function
// sp[3]: number of arguments (smi-tagged)
- Label loop, entry;
- __ b(&entry);
+ Label loop, no_args;
+ __ cmpi(r3, Operand::Zero());
+ __ beq(&no_args);
+ __ ShiftLeftImm(ip, r3, Operand(kPointerSizeLog2));
+ __ mtctr(r3);
__ bind(&loop);
- __ ldr(ip, MemOperand(r2, r3, LSL, kPointerSizeLog2 - 1));
- __ push(ip);
- __ bind(&entry);
- __ sub(r3, r3, Operand(2), SetCC);
- __ b(ge, &loop);
+ __ subi(ip, ip, Operand(kPointerSize));
+ __ LoadPX(r0, MemOperand(r5, ip));
+ __ push(r0);
+ __ bdnz(&loop);
+ __ bind(&no_args);
// Call the function.
- // r0: number of arguments
- // r1: constructor function
+ // r3: number of arguments
+ // r4: constructor function
if (is_api_function) {
- __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
- Handle<Code> code =
- masm->isolate()->builtins()->HandleApiCallConstruct();
+ __ LoadP(cp, FieldMemOperand(r4, JSFunction::kContextOffset));
+ Handle<Code> code = masm->isolate()->builtins()->HandleApiCallConstruct();
__ Call(code, RelocInfo::CODE_TARGET);
} else {
- ParameterCount actual(r0);
- __ InvokeFunction(r1, actual, CALL_FUNCTION, NullCallWrapper());
+ ParameterCount actual(r3);
+ __ InvokeFunction(r4, actual, CALL_FUNCTION, NullCallWrapper());
}
// Store offset of return address for deoptimizer.
@@ -664,11 +665,11 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
}
// Restore context from the frame.
- // r0: result
+ // r3: result
// sp[0]: receiver
// sp[1]: constructor function
// sp[2]: number of arguments (smi-tagged)
- __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
// If the result is an object (in the ECMA sense), we should get rid
// of the receiver and use the result; see ECMA-262 section 13.2.2-7
@@ -676,38 +677,39 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
Label use_receiver, exit;
// If the result is a smi, it is *not* an object in the ECMA sense.
- // r0: result
+ // r3: result
// sp[0]: receiver (newly allocated object)
// sp[1]: constructor function
// sp[2]: number of arguments (smi-tagged)
- __ JumpIfSmi(r0, &use_receiver);
+ __ JumpIfSmi(r3, &use_receiver);
// If the type of the result (stored in its map) is less than
// FIRST_SPEC_OBJECT_TYPE, it is not an object in the ECMA sense.
- __ CompareObjectType(r0, r1, r3, FIRST_SPEC_OBJECT_TYPE);
- __ b(ge, &exit);
+ __ CompareObjectType(r3, r4, r6, FIRST_SPEC_OBJECT_TYPE);
+ __ bge(&exit);
// Throw away the result of the constructor invocation and use the
// on-stack receiver as the result.
__ bind(&use_receiver);
- __ ldr(r0, MemOperand(sp));
+ __ LoadP(r3, MemOperand(sp));
// Remove receiver from the stack, remove caller arguments, and
// return.
__ bind(&exit);
- // r0: result
+ // r3: result
// sp[0]: receiver (newly allocated object)
// sp[1]: constructor function
// sp[2]: number of arguments (smi-tagged)
- __ ldr(r1, MemOperand(sp, 2 * kPointerSize));
+ __ LoadP(r4, MemOperand(sp, 2 * kPointerSize));
// Leave construct frame.
}
- __ add(sp, sp, Operand(r1, LSL, kPointerSizeLog2 - 1));
- __ add(sp, sp, Operand(kPointerSize));
- __ IncrementCounter(isolate->counters()->constructed_objects(), 1, r1, r2);
- __ Jump(lr);
+ __ SmiToPtrArrayOffset(r4, r4);
+ __ add(sp, sp, r4);
+ __ addi(sp, sp, Operand(kPointerSize));
+ __ IncrementCounter(isolate->counters()->constructed_objects(), 1, r4, r5);
+ __ blr();
}
@@ -724,76 +726,73 @@ void Builtins::Generate_JSConstructStubApi(MacroAssembler* masm) {
static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
bool is_construct) {
// Called from Generate_JS_Entry
- // r0: code entry
- // r1: function
- // r2: receiver
- // r3: argc
- // r4: argv
- // r5-r6, r8 (if not FLAG_enable_ool_constant_pool) and cp may be clobbered
+ // r3: code entry
+ // r4: function
+ // r5: receiver
+ // r6: argc
+ // r7: argv
+ // r0,r8-r9, cp may be clobbered
ProfileEntryHookStub::MaybeCallEntryHook(masm);
// Clear the context before we push it when entering the internal frame.
- __ mov(cp, Operand::Zero());
+ __ li(cp, Operand::Zero());
// Enter an internal frame.
{
FrameScope scope(masm, StackFrame::INTERNAL);
// Set up the context from the function argument.
- __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
+ __ LoadP(cp, FieldMemOperand(r4, JSFunction::kContextOffset));
__ InitializeRootRegister();
// Push the function and the receiver onto the stack.
- __ push(r1);
- __ push(r2);
+ __ push(r4);
+ __ push(r5);
// Copy arguments to the stack in a loop.
- // r1: function
- // r3: argc
- // r4: argv, i.e. points to first arg
+ // r4: function
+ // r6: argc
+ // r7: argv, i.e. points to first arg
Label loop, entry;
- __ add(r2, r4, Operand(r3, LSL, kPointerSizeLog2));
- // r2 points past last arg.
+ __ ShiftLeftImm(r0, r6, Operand(kPointerSizeLog2));
+ __ add(r5, r7, r0);
+ // r5 points past last arg.
__ b(&entry);
__ bind(&loop);
- __ ldr(r0, MemOperand(r4, kPointerSize, PostIndex)); // read next parameter
- __ ldr(r0, MemOperand(r0)); // dereference handle
- __ push(r0); // push parameter
+ __ LoadP(r8, MemOperand(r7)); // read next parameter
+ __ addi(r7, r7, Operand(kPointerSize));
+ __ LoadP(r0, MemOperand(r8)); // dereference handle
+ __ push(r0); // push parameter
__ bind(&entry);
- __ cmp(r4, r2);
- __ b(ne, &loop);
+ __ cmp(r7, r5);
+ __ bne(&loop);
// Initialize all JavaScript callee-saved registers, since they will be seen
// by the garbage collector as part of handlers.
- __ LoadRoot(r4, Heap::kUndefinedValueRootIndex);
- __ mov(r5, Operand(r4));
- __ mov(r6, Operand(r4));
- if (!FLAG_enable_ool_constant_pool) {
- __ mov(r8, Operand(r4));
- }
- if (kR9Available == 1) {
- __ mov(r9, Operand(r4));
- }
-
- // Invoke the code and pass argc as r0.
- __ mov(r0, Operand(r3));
+ __ LoadRoot(r7, Heap::kUndefinedValueRootIndex);
+ __ mr(r14, r7);
+ __ mr(r15, r7);
+ __ mr(r16, r7);
+ __ mr(r17, r7);
+
+ // Invoke the code and pass argc as r3.
+ __ mr(r3, r6);
if (is_construct) {
// No type feedback cell is available
- __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
+ __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
CallConstructStub stub(masm->isolate(), NO_CALL_CONSTRUCTOR_FLAGS);
__ CallStub(&stub);
} else {
- ParameterCount actual(r0);
- __ InvokeFunction(r1, actual, CALL_FUNCTION, NullCallWrapper());
+ ParameterCount actual(r3);
+ __ InvokeFunction(r4, actual, CALL_FUNCTION, NullCallWrapper());
}
// Exit the JS frame and remove the parameters (except function), and
// return.
- // Respect ABI stack constraint.
}
- __ Jump(lr);
+ __ blr();
- // r0: result
+ // r3: result
}
@@ -816,15 +815,14 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
static void CallCompileOptimized(MacroAssembler* masm, bool concurrent) {
FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
// Push a copy of the function onto the stack.
- __ push(r1);
// Push function as parameter to the runtime call.
- __ Push(r1);
+ __ Push(r4, r4);
// Whether to compile in a background thread.
__ Push(masm->isolate()->factory()->ToBoolean(concurrent));
__ CallRuntime(Runtime::kCompileOptimized, 2);
// Restore receiver.
- __ pop(r1);
+ __ pop(r4);
}
@@ -847,58 +845,74 @@ static void GenerateMakeCodeYoungAgainCommon(MacroAssembler* masm) {
// internal frame to make the code faster, since we shouldn't have to do stack
// crawls in MakeCodeYoung. This seems a bit fragile.
+ // Point r3 at the start of the PlatformCodeAge sequence.
+ __ mr(r3, ip);
+
// The following registers must be saved and restored when calling through to
// the runtime:
- // r0 - contains return address (beginning of patch sequence)
- // r1 - isolate
+ // r3 - contains return address (beginning of patch sequence)
+ // r4 - isolate
+ // lr - return address
FrameScope scope(masm, StackFrame::MANUAL);
- __ stm(db_w, sp, r0.bit() | r1.bit() | fp.bit() | lr.bit());
- __ PrepareCallCFunction(2, 0, r2);
- __ mov(r1, Operand(ExternalReference::isolate_address(masm->isolate())));
+ __ mflr(r0);
+ __ MultiPush(r0.bit() | r3.bit() | r4.bit() | fp.bit());
+ __ PrepareCallCFunction(2, 0, r5);
+ __ mov(r4, Operand(ExternalReference::isolate_address(masm->isolate())));
__ CallCFunction(
ExternalReference::get_make_code_young_function(masm->isolate()), 2);
- __ ldm(ia_w, sp, r0.bit() | r1.bit() | fp.bit() | lr.bit());
- __ mov(pc, r0);
+ __ MultiPop(r0.bit() | r3.bit() | r4.bit() | fp.bit());
+ __ mtlr(r0);
+ __ mr(ip, r3);
+ __ Jump(ip);
}
-#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##CodeYoungAgainEvenMarking( \
+ MacroAssembler* masm) { \
+ GenerateMakeCodeYoungAgainCommon(masm); \
+ } \
+ void Builtins::Generate_Make##C##CodeYoungAgainOddMarking( \
+ MacroAssembler* masm) { \
+ GenerateMakeCodeYoungAgainCommon(masm); \
+ }
CODE_AGE_LIST(DEFINE_CODE_AGE_BUILTIN_GENERATOR)
#undef DEFINE_CODE_AGE_BUILTIN_GENERATOR
void Builtins::Generate_MarkCodeAsExecutedOnce(MacroAssembler* masm) {
- // For now, as in GenerateMakeCodeYoungAgainCommon, we are relying on the fact
- // that make_code_young doesn't do any garbage collection which allows us to
- // save/restore the registers without worrying about which of them contain
- // pointers.
+ // For now, we are relying on the fact that make_code_young doesn't do any
+ // garbage collection which allows us to save/restore the registers without
+ // worrying about which of them contain pointers. We also don't build an
+ // internal frame to make the code faster, since we shouldn't have to do stack
+ // crawls in MakeCodeYoung. This seems a bit fragile.
+
+ // Point r3 at the start of the PlatformCodeAge sequence.
+ __ mr(r3, ip);
// The following registers must be saved and restored when calling through to
// the runtime:
- // r0 - contains return address (beginning of patch sequence)
- // r1 - isolate
+ // r3 - contains return address (beginning of patch sequence)
+ // r4 - isolate
+ // lr - return address
FrameScope scope(masm, StackFrame::MANUAL);
- __ stm(db_w, sp, r0.bit() | r1.bit() | fp.bit() | lr.bit());
- __ PrepareCallCFunction(2, 0, r2);
- __ mov(r1, Operand(ExternalReference::isolate_address(masm->isolate())));
- __ CallCFunction(ExternalReference::get_mark_code_as_executed_function(
- masm->isolate()), 2);
- __ ldm(ia_w, sp, r0.bit() | r1.bit() | fp.bit() | lr.bit());
+ __ mflr(r0);
+ __ MultiPush(r0.bit() | r3.bit() | r4.bit() | fp.bit());
+ __ PrepareCallCFunction(2, 0, r5);
+ __ mov(r4, Operand(ExternalReference::isolate_address(masm->isolate())));
+ __ CallCFunction(
+ ExternalReference::get_mark_code_as_executed_function(masm->isolate()),
+ 2);
+ __ MultiPop(r0.bit() | r3.bit() | r4.bit() | fp.bit());
+ __ mtlr(r0);
+ __ mr(ip, r3);
// Perform prologue operations usually performed by the young code stub.
- __ PushFixedFrame(r1);
- __ add(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
+ __ PushFixedFrame(r4);
+ __ addi(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
// Jump to point after the code-age stub.
- __ add(r0, r0, Operand(kNoCodeAgeSequenceLength));
- __ mov(pc, r0);
+ __ addi(r3, ip, Operand(kNoCodeAgeSequenceLength));
+ __ Jump(r3);
}
@@ -915,14 +929,14 @@ static void Generate_NotifyStubFailureHelper(MacroAssembler* masm,
// Preserve registers across notification, this is important for compiled
// stubs that tail call the runtime on deopts passing their parameters in
// registers.
- __ stm(db_w, sp, kJSCallerSaved | kCalleeSaved);
+ __ MultiPush(kJSCallerSaved | kCalleeSaved);
// Pass the function and deoptimization type to the runtime system.
__ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles);
- __ ldm(ia_w, sp, kJSCallerSaved | kCalleeSaved);
+ __ MultiPop(kJSCallerSaved | kCalleeSaved);
}
- __ add(sp, sp, Operand(kPointerSize)); // Ignore state
- __ mov(pc, lr); // Jump to miss handler
+ __ addi(sp, sp, Operand(kPointerSize)); // Ignore state
+ __ blr(); // Jump to miss handler
}
@@ -941,26 +955,26 @@ static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
{
FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
// Pass the function and deoptimization type to the runtime system.
- __ mov(r0, Operand(Smi::FromInt(static_cast<int>(type))));
- __ push(r0);
+ __ LoadSmiLiteral(r3, Smi::FromInt(static_cast<int>(type)));
+ __ push(r3);
__ CallRuntime(Runtime::kNotifyDeoptimized, 1);
}
- // Get the full codegen state from the stack and untag it -> r6.
- __ ldr(r6, MemOperand(sp, 0 * kPointerSize));
- __ SmiUntag(r6);
+ // Get the full codegen state from the stack and untag it -> r9.
+ __ LoadP(r9, MemOperand(sp, 0 * kPointerSize));
+ __ SmiUntag(r9);
// Switch on the state.
Label with_tos_register, unknown_state;
- __ cmp(r6, Operand(FullCodeGenerator::NO_REGISTERS));
- __ b(ne, &with_tos_register);
- __ add(sp, sp, Operand(1 * kPointerSize)); // Remove state.
+ __ cmpi(r9, Operand(FullCodeGenerator::NO_REGISTERS));
+ __ bne(&with_tos_register);
+ __ addi(sp, sp, Operand(1 * kPointerSize)); // Remove state.
__ Ret();
__ bind(&with_tos_register);
- __ ldr(r0, MemOperand(sp, 1 * kPointerSize));
- __ cmp(r6, Operand(FullCodeGenerator::TOS_REG));
- __ b(ne, &unknown_state);
- __ add(sp, sp, Operand(2 * kPointerSize)); // Remove state.
+ __ LoadP(r3, MemOperand(sp, 1 * kPointerSize));
+ __ cmpi(r9, Operand(FullCodeGenerator::TOS_REG));
+ __ bne(&unknown_state);
+ __ addi(sp, sp, Operand(2 * kPointerSize)); // Remove state.
__ Ret();
__ bind(&unknown_state);
@@ -985,44 +999,51 @@ void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
// Lookup the function in the JavaScript frame.
- __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
+ __ LoadP(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
{
FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
// Pass function as argument.
- __ push(r0);
+ __ push(r3);
__ CallRuntime(Runtime::kCompileForOnStackReplacement, 1);
}
// If the code object is null, just return to the unoptimized code.
Label skip;
- __ cmp(r0, Operand(Smi::FromInt(0)));
- __ b(ne, &skip);
+ __ CmpSmiLiteral(r3, Smi::FromInt(0), r0);
+ __ bne(&skip);
__ Ret();
__ bind(&skip);
// Load deoptimization data from the code object.
// <deopt_data> = <code>[#deoptimization_data_offset]
- __ ldr(r1, FieldMemOperand(r0, Code::kDeoptimizationDataOffset));
+ __ LoadP(r4, FieldMemOperand(r3, Code::kDeoptimizationDataOffset));
- { ConstantPoolUnavailableScope constant_pool_unavailable(masm);
- if (FLAG_enable_ool_constant_pool) {
- __ ldr(pp, FieldMemOperand(r0, Code::kConstantPoolOffset));
- }
+#if V8_OOL_CONSTANT_POOL
+ {
+ ConstantPoolUnavailableScope constant_pool_unavailable(masm);
+ __ LoadP(kConstantPoolRegister,
+ FieldMemOperand(r3, Code::kConstantPoolOffset));
+#endif
// Load the OSR entrypoint offset from the deoptimization data.
// <osr_offset> = <deopt_data>[#header_size + #osr_pc_offset]
- __ ldr(r1, FieldMemOperand(r1, FixedArray::OffsetOfElementAt(
- DeoptimizationInputData::kOsrPcOffsetIndex)));
+ __ LoadP(r4, FieldMemOperand(
+ r4, FixedArray::OffsetOfElementAt(
+ DeoptimizationInputData::kOsrPcOffsetIndex)));
+ __ SmiUntag(r4);
// Compute the target address = code_obj + header_size + osr_offset
// <entry_addr> = <code_obj> + #header_size + <osr_offset>
- __ add(r0, r0, Operand::SmiUntag(r1));
- __ add(lr, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
+ __ add(r3, r3, r4);
+ __ addi(r0, r3, Operand(Code::kHeaderSize - kHeapObjectTag));
+ __ mtlr(r0);
// And "return" to the OSR entry point of the function.
__ Ret();
+#if V8_OOL_CONSTANT_POOL
}
+#endif
}
@@ -1030,8 +1051,8 @@ void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) {
// We check the stack limit as indicator that recompilation might be done.
Label ok;
__ LoadRoot(ip, Heap::kStackLimitRootIndex);
- __ cmp(sp, Operand(ip));
- __ b(hs, &ok);
+ __ cmpl(sp, ip);
+ __ bge(&ok);
{
FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
__ CallRuntime(Runtime::kStackGuard, 0);
@@ -1046,160 +1067,181 @@ void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) {
void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
// 1. Make sure we have at least one argument.
- // r0: actual number of arguments
- { Label done;
- __ cmp(r0, Operand::Zero());
- __ b(ne, &done);
- __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
- __ push(r2);
- __ add(r0, r0, Operand(1));
+ // r3: actual number of arguments
+ {
+ Label done;
+ __ cmpi(r3, Operand::Zero());
+ __ bne(&done);
+ __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
+ __ push(r5);
+ __ addi(r3, r3, Operand(1));
__ bind(&done);
}
// 2. Get the function to call (passed as receiver) from the stack, check
// if it is a function.
- // r0: actual number of arguments
+ // r3: actual number of arguments
Label slow, non_function;
- __ ldr(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
- __ JumpIfSmi(r1, &non_function);
- __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE);
- __ b(ne, &slow);
+ __ ShiftLeftImm(r4, r3, Operand(kPointerSizeLog2));
+ __ add(r4, sp, r4);
+ __ LoadP(r4, MemOperand(r4));
+ __ JumpIfSmi(r4, &non_function);
+ __ CompareObjectType(r4, r5, r5, JS_FUNCTION_TYPE);
+ __ bne(&slow);
// 3a. Patch the first argument if necessary when calling a function.
- // r0: actual number of arguments
- // r1: function
+ // r3: actual number of arguments
+ // r4: function
Label shift_arguments;
- __ mov(r4, Operand::Zero()); // indicate regular JS_FUNCTION
- { Label convert_to_object, use_global_proxy, patch_receiver;
+ __ li(r7, Operand::Zero()); // indicate regular JS_FUNCTION
+ {
+ Label convert_to_object, use_global_proxy, patch_receiver;
// Change context eagerly in case we need the global receiver.
- __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
+ __ LoadP(cp, FieldMemOperand(r4, JSFunction::kContextOffset));
// Do not transform the receiver for strict mode functions.
- __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
- __ ldr(r3, FieldMemOperand(r2, SharedFunctionInfo::kCompilerHintsOffset));
- __ tst(r3, Operand(1 << (SharedFunctionInfo::kStrictModeFunction +
- kSmiTagSize)));
- __ b(ne, &shift_arguments);
-
- // Do not transform the receiver for native (Compilerhints already in r3).
- __ tst(r3, Operand(1 << (SharedFunctionInfo::kNative + kSmiTagSize)));
- __ b(ne, &shift_arguments);
+ __ LoadP(r5, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
+ __ lwz(r6, FieldMemOperand(r5, SharedFunctionInfo::kCompilerHintsOffset));
+ __ TestBit(r6,
+#if V8_TARGET_ARCH_PPC64
+ SharedFunctionInfo::kStrictModeFunction,
+#else
+ SharedFunctionInfo::kStrictModeFunction + kSmiTagSize,
+#endif
+ r0);
+ __ bne(&shift_arguments, cr0);
+
+ // Do not transform the receiver for native (Compilerhints already in r6).
+ __ TestBit(r6,
+#if V8_TARGET_ARCH_PPC64
+ SharedFunctionInfo::kNative,
+#else
+ SharedFunctionInfo::kNative + kSmiTagSize,
+#endif
+ r0);
+ __ bne(&shift_arguments, cr0);
// Compute the receiver in sloppy mode.
- __ add(r2, sp, Operand(r0, LSL, kPointerSizeLog2));
- __ ldr(r2, MemOperand(r2, -kPointerSize));
- // r0: actual number of arguments
- // r1: function
- // r2: first argument
- __ JumpIfSmi(r2, &convert_to_object);
-
- __ LoadRoot(r3, Heap::kUndefinedValueRootIndex);
- __ cmp(r2, r3);
- __ b(eq, &use_global_proxy);
- __ LoadRoot(r3, Heap::kNullValueRootIndex);
- __ cmp(r2, r3);
- __ b(eq, &use_global_proxy);
+ __ ShiftLeftImm(ip, r3, Operand(kPointerSizeLog2));
+ __ add(r5, sp, ip);
+ __ LoadP(r5, MemOperand(r5, -kPointerSize));
+ // r3: actual number of arguments
+ // r4: function
+ // r5: first argument
+ __ JumpIfSmi(r5, &convert_to_object);
+
+ __ LoadRoot(r6, Heap::kUndefinedValueRootIndex);
+ __ cmp(r5, r6);
+ __ beq(&use_global_proxy);
+ __ LoadRoot(r6, Heap::kNullValueRootIndex);
+ __ cmp(r5, r6);
+ __ beq(&use_global_proxy);
STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);
- __ CompareObjectType(r2, r3, r3, FIRST_SPEC_OBJECT_TYPE);
- __ b(ge, &shift_arguments);
+ __ CompareObjectType(r5, r6, r6, FIRST_SPEC_OBJECT_TYPE);
+ __ bge(&shift_arguments);
__ bind(&convert_to_object);
{
// Enter an internal frame in order to preserve argument count.
FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
- __ SmiTag(r0);
- __ push(r0);
-
- __ push(r2);
+ __ SmiTag(r3);
+ __ Push(r3, r5);
__ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION);
- __ mov(r2, r0);
+ __ mr(r5, r3);
- __ pop(r0);
- __ SmiUntag(r0);
+ __ pop(r3);
+ __ SmiUntag(r3);
// Exit the internal frame.
}
- // Restore the function to r1, and the flag to r4.
- __ ldr(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
- __ mov(r4, Operand::Zero());
- __ jmp(&patch_receiver);
+ // Restore the function to r4, and the flag to r7.
+ __ ShiftLeftImm(r7, r3, Operand(kPointerSizeLog2));
+ __ add(r7, sp, r7);
+ __ LoadP(r4, MemOperand(r7));
+ __ li(r7, Operand::Zero());
+ __ b(&patch_receiver);
__ bind(&use_global_proxy);
- __ ldr(r2, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
- __ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalProxyOffset));
+ __ LoadP(r5, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
+ __ LoadP(r5, FieldMemOperand(r5, GlobalObject::kGlobalProxyOffset));
__ bind(&patch_receiver);
- __ add(r3, sp, Operand(r0, LSL, kPointerSizeLog2));
- __ str(r2, MemOperand(r3, -kPointerSize));
+ __ ShiftLeftImm(ip, r3, Operand(kPointerSizeLog2));
+ __ add(r6, sp, ip);
+ __ StoreP(r5, MemOperand(r6, -kPointerSize));
- __ jmp(&shift_arguments);
+ __ b(&shift_arguments);
}
// 3b. Check for function proxy.
__ bind(&slow);
- __ mov(r4, Operand(1, RelocInfo::NONE32)); // indicate function proxy
- __ cmp(r2, Operand(JS_FUNCTION_PROXY_TYPE));
- __ b(eq, &shift_arguments);
+ __ li(r7, Operand(1, RelocInfo::NONE32)); // indicate function proxy
+ __ cmpi(r5, Operand(JS_FUNCTION_PROXY_TYPE));
+ __ beq(&shift_arguments);
__ bind(&non_function);
- __ mov(r4, Operand(2, RelocInfo::NONE32)); // indicate non-function
+ __ li(r7, Operand(2, RelocInfo::NONE32)); // indicate non-function
// 3c. Patch the first argument when calling a non-function. The
// CALL_NON_FUNCTION builtin expects the non-function callee as
// receiver, so overwrite the first argument which will ultimately
// become the receiver.
- // r0: actual number of arguments
- // r1: function
- // r4: call type (0: JS function, 1: function proxy, 2: non-function)
- __ add(r2, sp, Operand(r0, LSL, kPointerSizeLog2));
- __ str(r1, MemOperand(r2, -kPointerSize));
+ // r3: actual number of arguments
+ // r4: function
+ // r7: call type (0: JS function, 1: function proxy, 2: non-function)
+ __ ShiftLeftImm(ip, r3, Operand(kPointerSizeLog2));
+ __ add(r5, sp, ip);
+ __ StoreP(r4, MemOperand(r5, -kPointerSize));
// 4. Shift arguments and return address one slot down on the stack
// (overwriting the original receiver). Adjust argument count to make
// the original first argument the new receiver.
- // r0: actual number of arguments
- // r1: function
- // r4: call type (0: JS function, 1: function proxy, 2: non-function)
+ // r3: actual number of arguments
+ // r4: function
+ // r7: call type (0: JS function, 1: function proxy, 2: non-function)
__ bind(&shift_arguments);
- { Label loop;
+ {
+ Label loop;
// Calculate the copy start address (destination). Copy end address is sp.
- __ add(r2, sp, Operand(r0, LSL, kPointerSizeLog2));
+ __ ShiftLeftImm(ip, r3, Operand(kPointerSizeLog2));
+ __ add(r5, sp, ip);
__ bind(&loop);
- __ ldr(ip, MemOperand(r2, -kPointerSize));
- __ str(ip, MemOperand(r2));
- __ sub(r2, r2, Operand(kPointerSize));
- __ cmp(r2, sp);
- __ b(ne, &loop);
+ __ LoadP(ip, MemOperand(r5, -kPointerSize));
+ __ StoreP(ip, MemOperand(r5));
+ __ subi(r5, r5, Operand(kPointerSize));
+ __ cmp(r5, sp);
+ __ bne(&loop);
// Adjust the actual number of arguments and remove the top element
// (which is a copy of the last argument).
- __ sub(r0, r0, Operand(1));
+ __ subi(r3, r3, Operand(1));
__ pop();
}
// 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin,
// or a function proxy via CALL_FUNCTION_PROXY.
- // r0: actual number of arguments
- // r1: function
- // r4: call type (0: JS function, 1: function proxy, 2: non-function)
- { Label function, non_proxy;
- __ tst(r4, r4);
- __ b(eq, &function);
+ // r3: actual number of arguments
+ // r4: function
+ // r7: call type (0: JS function, 1: function proxy, 2: non-function)
+ {
+ Label function, non_proxy;
+ __ cmpi(r7, Operand::Zero());
+ __ beq(&function);
// Expected number of arguments is 0 for CALL_NON_FUNCTION.
- __ mov(r2, Operand::Zero());
- __ cmp(r4, Operand(1));
- __ b(ne, &non_proxy);
+ __ li(r5, Operand::Zero());
+ __ cmpi(r7, Operand(1));
+ __ bne(&non_proxy);
- __ push(r1); // re-add proxy object as additional argument
- __ add(r0, r0, Operand(1));
- __ GetBuiltinFunction(r1, Builtins::CALL_FUNCTION_PROXY);
+ __ push(r4); // re-add proxy object as additional argument
+ __ addi(r3, r3, Operand(1));
+ __ GetBuiltinFunction(r4, Builtins::CALL_FUNCTION_PROXY);
__ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
RelocInfo::CODE_TARGET);
__ bind(&non_proxy);
- __ GetBuiltinFunction(r1, Builtins::CALL_NON_FUNCTION);
+ __ GetBuiltinFunction(r4, Builtins::CALL_NON_FUNCTION);
__ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
RelocInfo::CODE_TARGET);
__ bind(&function);
@@ -1208,230 +1250,246 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
// 5b. Get the code to call from the function and check that the number of
// expected arguments matches what we're providing. If so, jump
// (tail-call) to the code in register edx without checking arguments.
- // r0: actual number of arguments
- // r1: function
- __ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
- __ ldr(r2,
- FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset));
- __ SmiUntag(r2);
- __ cmp(r2, r0); // Check formal and actual parameter counts.
+ // r3: actual number of arguments
+ // r4: function
+ __ LoadP(r6, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
+ __ LoadWordArith(
+ r5, FieldMemOperand(r6, SharedFunctionInfo::kFormalParameterCountOffset));
+#if !V8_TARGET_ARCH_PPC64
+ __ SmiUntag(r5);
+#endif
+ __ cmp(r5, r3); // Check formal and actual parameter counts.
__ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
- RelocInfo::CODE_TARGET,
- ne);
+ RelocInfo::CODE_TARGET, ne);
- __ ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
+ __ LoadP(ip, FieldMemOperand(r4, JSFunction::kCodeEntryOffset));
ParameterCount expected(0);
- __ InvokeCode(r3, expected, expected, JUMP_FUNCTION, NullCallWrapper());
+ __ InvokeCode(ip, expected, expected, JUMP_FUNCTION, NullCallWrapper());
}
void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
- const int kIndexOffset =
+ const int kIndexOffset =
StandardFrameConstants::kExpressionsOffset - (2 * kPointerSize);
- const int kLimitOffset =
+ const int kLimitOffset =
StandardFrameConstants::kExpressionsOffset - (1 * kPointerSize);
- const int kArgsOffset = 2 * kPointerSize;
- const int kRecvOffset = 3 * kPointerSize;
+ const int kArgsOffset = 2 * kPointerSize;
+ const int kRecvOffset = 3 * kPointerSize;
const int kFunctionOffset = 4 * kPointerSize;
{
FrameAndConstantPoolScope frame_scope(masm, StackFrame::INTERNAL);
- __ ldr(r0, MemOperand(fp, kFunctionOffset)); // get the function
- __ push(r0);
- __ ldr(r0, MemOperand(fp, kArgsOffset)); // get the args array
- __ push(r0);
+ __ LoadP(r3, MemOperand(fp, kFunctionOffset)); // get the function
+ __ push(r3);
+ __ LoadP(r3, MemOperand(fp, kArgsOffset)); // get the args array
+ __ push(r3);
__ InvokeBuiltin(Builtins::APPLY_PREPARE, CALL_FUNCTION);
// Check the stack for overflow. We are not trying to catch
// interruptions (e.g. debug break and preemption) here, so the "real stack
// limit" is checked.
Label okay;
- __ LoadRoot(r2, Heap::kRealStackLimitRootIndex);
- // Make r2 the space we have left. The stack might already be overflowed
- // here which will cause r2 to become negative.
- __ sub(r2, sp, r2);
+ __ LoadRoot(r5, Heap::kRealStackLimitRootIndex);
+ // Make r5 the space we have left. The stack might already be overflowed
+ // here which will cause r5 to become negative.
+ __ sub(r5, sp, r5);
// Check if the arguments will overflow the stack.
- __ cmp(r2, Operand::PointerOffsetFromSmiKey(r0));
- __ b(gt, &okay); // Signed comparison.
+ __ SmiToPtrArrayOffset(r0, r3);
+ __ cmp(r5, r0);
+ __ bgt(&okay); // Signed comparison.
// Out of stack space.
- __ ldr(r1, MemOperand(fp, kFunctionOffset));
- __ Push(r1, r0);
+ __ LoadP(r4, MemOperand(fp, kFunctionOffset));
+ __ Push(r4, r3);
__ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
// End of stack check.
// Push current limit and index.
__ bind(&okay);
- __ push(r0); // limit
- __ mov(r1, Operand::Zero()); // initial index
- __ push(r1);
+ __ li(r4, Operand::Zero());
+ __ Push(r3, r4); // limit and initial index.
// Get the receiver.
- __ ldr(r0, MemOperand(fp, kRecvOffset));
+ __ LoadP(r3, MemOperand(fp, kRecvOffset));
// Check that the function is a JS function (otherwise it must be a proxy).
Label push_receiver;
- __ ldr(r1, MemOperand(fp, kFunctionOffset));
- __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE);
- __ b(ne, &push_receiver);
+ __ LoadP(r4, MemOperand(fp, kFunctionOffset));
+ __ CompareObjectType(r4, r5, r5, JS_FUNCTION_TYPE);
+ __ bne(&push_receiver);
// Change context eagerly to get the right global object if necessary.
- __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
- // Load the shared function info while the function is still in r1.
- __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
+ __ LoadP(cp, FieldMemOperand(r4, JSFunction::kContextOffset));
+ // Load the shared function info while the function is still in r4.
+ __ LoadP(r5, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
// Compute the receiver.
// Do not transform the receiver for strict mode functions.
Label call_to_object, use_global_proxy;
- __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kCompilerHintsOffset));
- __ tst(r2, Operand(1 << (SharedFunctionInfo::kStrictModeFunction +
- kSmiTagSize)));
- __ b(ne, &push_receiver);
+ __ lwz(r5, FieldMemOperand(r5, SharedFunctionInfo::kCompilerHintsOffset));
+ __ TestBit(r5,
+#if V8_TARGET_ARCH_PPC64
+ SharedFunctionInfo::kStrictModeFunction,
+#else
+ SharedFunctionInfo::kStrictModeFunction + kSmiTagSize,
+#endif
+ r0);
+ __ bne(&push_receiver, cr0);
// Do not transform the receiver for strict mode functions.
- __ tst(r2, Operand(1 << (SharedFunctionInfo::kNative + kSmiTagSize)));
- __ b(ne, &push_receiver);
+ __ TestBit(r5,
+#if V8_TARGET_ARCH_PPC64
+ SharedFunctionInfo::kNative,
+#else
+ SharedFunctionInfo::kNative + kSmiTagSize,
+#endif
+ r0);
+ __ bne(&push_receiver, cr0);
// Compute the receiver in sloppy mode.
- __ JumpIfSmi(r0, &call_to_object);
- __ LoadRoot(r1, Heap::kNullValueRootIndex);
- __ cmp(r0, r1);
- __ b(eq, &use_global_proxy);
- __ LoadRoot(r1, Heap::kUndefinedValueRootIndex);
- __ cmp(r0, r1);
- __ b(eq, &use_global_proxy);
+ __ JumpIfSmi(r3, &call_to_object);
+ __ LoadRoot(r4, Heap::kNullValueRootIndex);
+ __ cmp(r3, r4);
+ __ beq(&use_global_proxy);
+ __ LoadRoot(r4, Heap::kUndefinedValueRootIndex);
+ __ cmp(r3, r4);
+ __ beq(&use_global_proxy);
// Check if the receiver is already a JavaScript object.
- // r0: receiver
+ // r3: receiver
STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);
- __ CompareObjectType(r0, r1, r1, FIRST_SPEC_OBJECT_TYPE);
- __ b(ge, &push_receiver);
+ __ CompareObjectType(r3, r4, r4, FIRST_SPEC_OBJECT_TYPE);
+ __ bge(&push_receiver);
// Convert the receiver to a regular object.
- // r0: receiver
+ // r3: receiver
__ bind(&call_to_object);
- __ push(r0);
+ __ push(r3);
__ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION);
__ b(&push_receiver);
__ bind(&use_global_proxy);
- __ ldr(r0, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
- __ ldr(r0, FieldMemOperand(r0, GlobalObject::kGlobalProxyOffset));
+ __ LoadP(r3, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
+ __ LoadP(r3, FieldMemOperand(r3, GlobalObject::kGlobalProxyOffset));
// Push the receiver.
- // r0: receiver
+ // r3: receiver
__ bind(&push_receiver);
- __ push(r0);
+ __ push(r3);
// Copy all arguments from the array to the stack.
Label entry, loop;
- __ ldr(r0, MemOperand(fp, kIndexOffset));
+ __ LoadP(r3, MemOperand(fp, kIndexOffset));
__ b(&entry);
// Load the current argument from the arguments array and push it to the
// stack.
- // r0: current argument index
+ // r3: current argument index
__ bind(&loop);
- __ ldr(r1, MemOperand(fp, kArgsOffset));
- __ Push(r1, r0);
+ __ LoadP(r4, MemOperand(fp, kArgsOffset));
+ __ Push(r4, r3);
// Call the runtime to access the property in the arguments array.
__ CallRuntime(Runtime::kGetProperty, 2);
- __ push(r0);
+ __ push(r3);
// Use inline caching to access the arguments.
- __ ldr(r0, MemOperand(fp, kIndexOffset));
- __ add(r0, r0, Operand(1 << kSmiTagSize));
- __ str(r0, MemOperand(fp, kIndexOffset));
+ __ LoadP(r3, MemOperand(fp, kIndexOffset));
+ __ AddSmiLiteral(r3, r3, Smi::FromInt(1), r0);
+ __ StoreP(r3, MemOperand(fp, kIndexOffset));
// Test if the copy loop has finished copying all the elements from the
// arguments object.
__ bind(&entry);
- __ ldr(r1, MemOperand(fp, kLimitOffset));
- __ cmp(r0, r1);
- __ b(ne, &loop);
+ __ LoadP(r4, MemOperand(fp, kLimitOffset));
+ __ cmp(r3, r4);
+ __ bne(&loop);
// Call the function.
Label call_proxy;
- ParameterCount actual(r0);
- __ SmiUntag(r0);
- __ ldr(r1, MemOperand(fp, kFunctionOffset));
- __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE);
- __ b(ne, &call_proxy);
- __ InvokeFunction(r1, actual, CALL_FUNCTION, NullCallWrapper());
+ ParameterCount actual(r3);
+ __ SmiUntag(r3);
+ __ LoadP(r4, MemOperand(fp, kFunctionOffset));
+ __ CompareObjectType(r4, r5, r5, JS_FUNCTION_TYPE);
+ __ bne(&call_proxy);
+ __ InvokeFunction(r4, actual, CALL_FUNCTION, NullCallWrapper());
- frame_scope.GenerateLeaveFrame();
- __ add(sp, sp, Operand(3 * kPointerSize));
- __ Jump(lr);
+ __ LeaveFrame(StackFrame::INTERNAL, 3 * kPointerSize);
+ __ blr();
// Call the function proxy.
__ bind(&call_proxy);
- __ push(r1); // add function proxy as last argument
- __ add(r0, r0, Operand(1));
- __ mov(r2, Operand::Zero());
- __ GetBuiltinFunction(r1, Builtins::CALL_FUNCTION_PROXY);
+ __ push(r4); // add function proxy as last argument
+ __ addi(r3, r3, Operand(1));
+ __ li(r5, Operand::Zero());
+ __ GetBuiltinFunction(r4, Builtins::CALL_FUNCTION_PROXY);
__ Call(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
RelocInfo::CODE_TARGET);
// Tear down the internal frame and remove function, receiver and args.
}
- __ add(sp, sp, Operand(3 * kPointerSize));
- __ Jump(lr);
+ __ addi(sp, sp, Operand(3 * kPointerSize));
+ __ blr();
}
static void ArgumentAdaptorStackCheck(MacroAssembler* masm,
Label* stack_overflow) {
// ----------- S t a t e -------------
- // -- r0 : actual number of arguments
- // -- r1 : function (passed through to callee)
- // -- r2 : expected number of arguments
+ // -- r3 : actual number of arguments
+ // -- r4 : function (passed through to callee)
+ // -- r5 : expected number of arguments
// -----------------------------------
// Check the stack for overflow. We are not trying to catch
// interruptions (e.g. debug break and preemption) here, so the "real stack
// limit" is checked.
- __ LoadRoot(r5, Heap::kRealStackLimitRootIndex);
- // Make r5 the space we have left. The stack might already be overflowed
- // here which will cause r5 to become negative.
- __ sub(r5, sp, r5);
+ __ LoadRoot(r8, Heap::kRealStackLimitRootIndex);
+ // Make r8 the space we have left. The stack might already be overflowed
+ // here which will cause r8 to become negative.
+ __ sub(r8, sp, r8);
// Check if the arguments will overflow the stack.
- __ cmp(r5, Operand(r2, LSL, kPointerSizeLog2));
- __ b(le, stack_overflow); // Signed comparison.
+ __ ShiftLeftImm(r0, r5, Operand(kPointerSizeLog2));
+ __ cmp(r8, r0);
+ __ ble(stack_overflow); // Signed comparison.
}
static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
- __ SmiTag(r0);
- __ mov(r4, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
- __ stm(db_w, sp, r0.bit() | r1.bit() | r4.bit() |
- (FLAG_enable_ool_constant_pool ? pp.bit() : 0) |
- fp.bit() | lr.bit());
- __ add(fp, sp,
- Operand(StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize));
+ __ SmiTag(r3);
+ __ LoadSmiLiteral(r7, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
+ __ mflr(r0);
+ __ push(r0);
+#if V8_OOL_CONSTANT_POOL
+ __ Push(fp, kConstantPoolRegister, r7, r4, r3);
+#else
+ __ Push(fp, r7, r4, r3);
+#endif
+ __ addi(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp +
+ kPointerSize));
}
static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) {
// ----------- S t a t e -------------
- // -- r0 : result being passed through
+ // -- r3 : result being passed through
// -----------------------------------
// Get the number of arguments passed (as a smi), tear down the frame and
// then tear down the parameters.
- __ ldr(r1, MemOperand(fp, -(StandardFrameConstants::kFixedFrameSizeFromFp +
- kPointerSize)));
-
- __ LeaveFrame(StackFrame::ARGUMENTS_ADAPTOR);
- __ add(sp, sp, Operand::PointerOffsetFromSmiKey(r1));
- __ add(sp, sp, Operand(kPointerSize)); // adjust for receiver
+ __ LoadP(r4, MemOperand(fp, -(StandardFrameConstants::kFixedFrameSizeFromFp +
+ kPointerSize)));
+ int stack_adjustment = kPointerSize; // adjust for receiver
+ __ LeaveFrame(StackFrame::ARGUMENTS_ADAPTOR, stack_adjustment);
+ __ SmiToPtrArrayOffset(r0, r4);
+ __ add(sp, sp, r0);
}
void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
// ----------- S t a t e -------------
- // -- r0 : actual number of arguments
- // -- r1 : function (passed through to callee)
- // -- r2 : expected number of arguments
+ // -- r3 : actual number of arguments
+ // -- r4 : function (passed through to callee)
+ // -- r5 : expected number of arguments
// -----------------------------------
Label stack_overflow;
@@ -1439,39 +1497,41 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
Label invoke, dont_adapt_arguments;
Label enough, too_few;
- __ ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
- __ cmp(r0, r2);
- __ b(lt, &too_few);
- __ cmp(r2, Operand(SharedFunctionInfo::kDontAdaptArgumentsSentinel));
- __ b(eq, &dont_adapt_arguments);
+ __ LoadP(ip, FieldMemOperand(r4, JSFunction::kCodeEntryOffset));
+ __ cmp(r3, r5);
+ __ blt(&too_few);
+ __ cmpi(r5, Operand(SharedFunctionInfo::kDontAdaptArgumentsSentinel));
+ __ beq(&dont_adapt_arguments);
{ // Enough parameters: actual >= expected
__ bind(&enough);
EnterArgumentsAdaptorFrame(masm);
- // Calculate copy start address into r0 and copy end address into r2.
- // r0: actual number of arguments as a smi
- // r1: function
- // r2: expected number of arguments
- // r3: code entry to call
- __ add(r0, fp, Operand::PointerOffsetFromSmiKey(r0));
+ // Calculate copy start address into r3 and copy end address into r5.
+ // r3: actual number of arguments as a smi
+ // r4: function
+ // r5: expected number of arguments
+ // ip: code entry to call
+ __ SmiToPtrArrayOffset(r3, r3);
+ __ add(r3, r3, fp);
// adjust for return address and receiver
- __ add(r0, r0, Operand(2 * kPointerSize));
- __ sub(r2, r0, Operand(r2, LSL, kPointerSizeLog2));
+ __ addi(r3, r3, Operand(2 * kPointerSize));
+ __ ShiftLeftImm(r5, r5, Operand(kPointerSizeLog2));
+ __ sub(r5, r3, r5);
// Copy the arguments (including the receiver) to the new stack frame.
- // r0: copy start address
- // r1: function
- // r2: copy end address
- // r3: code entry to call
+ // r3: copy start address
+ // r4: function
+ // r5: copy end address
+ // ip: code entry to call
Label copy;
__ bind(&copy);
- __ ldr(ip, MemOperand(r0, 0));
- __ push(ip);
- __ cmp(r0, r2); // Compare before moving to next argument.
- __ sub(r0, r0, Operand(kPointerSize));
- __ b(ne, &copy);
+ __ LoadP(r0, MemOperand(r3, 0));
+ __ push(r0);
+ __ cmp(r3, r5); // Compare before moving to next argument.
+ __ subi(r3, r3, Operand(kPointerSize));
+ __ bne(&copy);
__ b(&invoke);
}
@@ -1481,60 +1541,62 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
EnterArgumentsAdaptorFrame(masm);
// Calculate copy start address into r0 and copy end address is fp.
- // r0: actual number of arguments as a smi
- // r1: function
- // r2: expected number of arguments
- // r3: code entry to call
- __ add(r0, fp, Operand::PointerOffsetFromSmiKey(r0));
+ // r3: actual number of arguments as a smi
+ // r4: function
+ // r5: expected number of arguments
+ // ip: code entry to call
+ __ SmiToPtrArrayOffset(r3, r3);
+ __ add(r3, r3, fp);
// Copy the arguments (including the receiver) to the new stack frame.
- // r0: copy start address
- // r1: function
- // r2: expected number of arguments
- // r3: code entry to call
+ // r3: copy start address
+ // r4: function
+ // r5: expected number of arguments
+ // ip: code entry to call
Label copy;
__ bind(&copy);
// Adjust load for return address and receiver.
- __ ldr(ip, MemOperand(r0, 2 * kPointerSize));
- __ push(ip);
- __ cmp(r0, fp); // Compare before moving to next argument.
- __ sub(r0, r0, Operand(kPointerSize));
- __ b(ne, &copy);
+ __ LoadP(r0, MemOperand(r3, 2 * kPointerSize));
+ __ push(r0);
+ __ cmp(r3, fp); // Compare before moving to next argument.
+ __ subi(r3, r3, Operand(kPointerSize));
+ __ bne(&copy);
// Fill the remaining expected arguments with undefined.
- // r1: function
- // r2: expected number of arguments
- // r3: code entry to call
- __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
- __ sub(r2, fp, Operand(r2, LSL, kPointerSizeLog2));
+ // r4: function
+ // r5: expected number of arguments
+ // ip: code entry to call
+ __ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
+ __ ShiftLeftImm(r5, r5, Operand(kPointerSizeLog2));
+ __ sub(r5, fp, r5);
// Adjust for frame.
- __ sub(r2, r2, Operand(StandardFrameConstants::kFixedFrameSizeFromFp +
- 2 * kPointerSize));
+ __ subi(r5, r5, Operand(StandardFrameConstants::kFixedFrameSizeFromFp +
+ 2 * kPointerSize));
Label fill;
__ bind(&fill);
- __ push(ip);
- __ cmp(sp, r2);
- __ b(ne, &fill);
+ __ push(r0);
+ __ cmp(sp, r5);
+ __ bne(&fill);
}
// Call the entry point.
__ bind(&invoke);
- __ Call(r3);
+ __ CallJSEntry(ip);
// Store offset of return address for deoptimizer.
masm->isolate()->heap()->SetArgumentsAdaptorDeoptPCOffset(masm->pc_offset());
// Exit frame and return.
LeaveArgumentsAdaptorFrame(masm);
- __ Jump(lr);
+ __ blr();
// -------------------------------------------
// Dont adapt arguments.
// -------------------------------------------
__ bind(&dont_adapt_arguments);
- __ Jump(r3);
+ __ JumpToJSEntry(ip);
__ bind(&stack_overflow);
{
@@ -1547,7 +1609,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
#undef __
+}
+} // namespace v8::internal
-} } // namespace v8::internal
-
-#endif // V8_TARGET_ARCH_ARM
+#endif // V8_TARGET_ARCH_PPC
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