src/sh4/builtins-sh4.cc - Issue 11275184: First draft of the sh4 port

Unified Diff: src/sh4/builtins-sh4.cc

Issue 11275184: First draft of the sh4 port Base URL: http://github.com/v8/v8.git@master

Patch Set: Created 8 years, 1 month ago

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Index: src/sh4/builtins-sh4.cc

diff --git a/src/arm/builtins-arm.cc b/src/sh4/builtins-sh4.cc

similarity index 90%

copy from src/arm/builtins-arm.cc

copy to src/sh4/builtins-sh4.cc

index 2d1d7b1199712556880ac857eec03ab7facc2aa6..f8c34cebb6a1d56d9bf0f2886e4f23ab4054b07c 100644

--- a/src/arm/builtins-arm.cc

+++ b/src/sh4/builtins-sh4.cc

@@ -1,4 +1,4 @@

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

@@ -27,7 +27,7 @@

#include "v8.h"

-#if defined(V8_TARGET_ARCH_ARM)

+#if defined(V8_TARGET_ARCH_SH4)

#include "codegen.h"

#include "debug.h"

@@ -42,6 +42,10 @@ namespace internal {

#define __ ACCESS_MASM(masm)

+// Define register map

+#include "map-sh4.h"

void Builtins::Generate_Adaptor(MacroAssembler* masm,

CFunctionId id,

BuiltinExtraArguments extra_args) {

@@ -185,8 +189,8 @@ static void AllocateEmptyJSArray(MacroAssembler* masm,

__ bind(&loop);

__ str(scratch3, MemOperand(scratch1, kPointerSize, PostIndex));

__ bind(&entry);

- __ cmp(scratch1, scratch2);

- __ b(lt, &loop);

+ __ cmpge(scratch1, scratch2);

+ __ bf(&loop);

}

@@ -223,9 +227,10 @@ static void AllocateJSArray(MacroAssembler* masm,

STATIC_ASSERT(kSmiTagSize == 1 && kSmiTag == 0);

__ mov(elements_array_end,

Operand((JSArray::kSize + FixedArray::kHeaderSize) / kPointerSize));

+ __ asr(scratch1, array_size, Operand(kSmiTagSize));

__ add(elements_array_end,

elements_array_end,

- Operand(array_size, ASR, kSmiTagSize));

+ scratch1);

__ AllocateInNewSpace(

elements_array_end,

result,

@@ -277,9 +282,11 @@ static void AllocateJSArray(MacroAssembler* masm,

// elements_array_storage: elements array element storage

// array_size: smi-tagged size of elements array

STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize < kPointerSizeLog2);

+ __ lsl(elements_array_end, array_size,

+ Operand(kPointerSizeLog2 - kSmiTagSize));

__ add(elements_array_end,

elements_array_storage,

- Operand(array_size, LSL, kPointerSizeLog2 - kSmiTagSize));

+ elements_array_end);

// Fill the allocated FixedArray with the hole value if requested.

// result: JSObject

@@ -288,13 +295,13 @@ static void AllocateJSArray(MacroAssembler* masm,

if (fill_with_hole) {

Label loop, entry;

__ LoadRoot(scratch1, Heap::kTheHoleValueRootIndex);

- __ jmp(&entry);

+ __ jmp_near(&entry);

__ bind(&loop);

__ str(scratch1,

MemOperand(elements_array_storage, kPointerSize, PostIndex));

__ bind(&entry);

- __ cmp(elements_array_storage, elements_array_end);

- __ b(lt, &loop);

+ __ cmpge(elements_array_storage, elements_array_end);

+ __ bf(&loop);

}

@@ -335,7 +342,7 @@ static void ArrayNativeCode(MacroAssembler* masm,

// Set up return value, remove receiver from stack and return.

__ mov(r0, r2);

__ add(sp, sp, Operand(kPointerSize));

- __ Jump(lr);

+ __ Ret();

// Check for one argument. Bail out if argument is not smi or if it is

// negative.

@@ -351,14 +358,15 @@ static void ArrayNativeCode(MacroAssembler* masm,

__ b(&empty_array);

__ bind(&not_empty_array);

- __ and_(r3, r2, Operand(kIntptrSignBit | kSmiTagMask), SetCC);

+ __ land(r3, r2, Operand(kIntptrSignBit | kSmiTagMask));

+ __ cmp(r3, Operand(0));

__ b(ne, call_generic_code);

// Handle construction of an empty array of a certain size. Bail out if size

// is too large to actually allocate an elements array.

STATIC_ASSERT(kSmiTag == 0);

- __ cmp(r2, Operand(JSObject::kInitialMaxFastElementArray << kSmiTagSize));

- __ b(ge, call_generic_code);

+ __ cmpge(r2, Operand(JSObject::kInitialMaxFastElementArray << kSmiTagSize));

+ __ bt(call_generic_code);

// r0: argc

// r1: constructor

@@ -375,14 +383,14 @@ static void ArrayNativeCode(MacroAssembler* masm,

true,

call_generic_code);

__ IncrementCounter(counters->array_function_native(), 1, r2, r4);

- // Set up return value, remove receiver and argument from stack and return.

+ // Setup return value, remove receiver and argument from stack and return.

__ mov(r0, r3);

__ add(sp, sp, Operand(2 * kPointerSize));

- __ Jump(lr);

+ __ Ret();

// Handle construction of an array from a list of arguments.

__ bind(&argc_two_or_more);

- __ mov(r2, Operand(r0, LSL, kSmiTagSize)); // Convet argc to a smi.

+ __ lsl(r2, r0, Operand(kSmiTagSize)); // Convet argc to a smi.

// r0: argc

// r1: constructor

@@ -419,8 +427,8 @@ static void ArrayNativeCode(MacroAssembler* masm,

}

__ str(r2, MemOperand(r5, -kPointerSize, PreIndex));

__ bind(&entry);

- __ cmp(r4, r5);

- __ b(lt, &loop);

+ __ cmpge(r4, r5);

+ __ bf(&loop);

__ bind(&finish);

__ mov(sp, r7);

@@ -432,7 +440,7 @@ static void ArrayNativeCode(MacroAssembler* masm,

// sp[0]: receiver

__ add(sp, sp, Operand(kPointerSize));

__ mov(r0, r3);

- __ Jump(lr);

+ __ Ret();

__ bind(&has_non_smi_element);

// Double values are handled by the runtime.

@@ -465,8 +473,8 @@ static void ArrayNativeCode(MacroAssembler* masm,

__ bind(&loop2);

__ ldr(r2, MemOperand(r7, kPointerSize, PostIndex));

__ str(r2, MemOperand(r5, -kPointerSize, PreIndex));

- __ cmp(r4, r5);

- __ b(lt, &loop2);

+ __ cmpge(r4, r5);

+ __ bf(&loop2);

__ b(&finish);

}

@@ -487,7 +495,7 @@ void Builtins::Generate_InternalArrayCode(MacroAssembler* masm) {

__ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));

__ tst(r2, Operand(kSmiTagMask));

__ Assert(ne, "Unexpected initial map for InternalArray function");

- __ CompareObjectType(r2, r3, r4, MAP_TYPE);

+ __ CompareObjectType(r2, r3, r4, MAP_TYPE, eq);

__ Assert(eq, "Unexpected initial map for InternalArray function");

}

@@ -521,7 +529,7 @@ void Builtins::Generate_ArrayCode(MacroAssembler* masm) {

__ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));

__ tst(r2, Operand(kSmiTagMask));

__ Assert(ne, "Unexpected initial map for Array function");

- __ CompareObjectType(r2, r3, r4, MAP_TYPE);

+ __ CompareObjectType(r2, r3, r4, MAP_TYPE, eq);

__ Assert(eq, "Unexpected initial map for Array function");

}

@@ -554,7 +562,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {

__ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));

__ tst(r2, Operand(kSmiTagMask));

__ Assert(ne, "Unexpected initial map for Array function");

- __ CompareObjectType(r2, r3, r4, MAP_TYPE);

+ __ CompareObjectType(r2, r3, r4, MAP_TYPE, eq);

__ Assert(eq, "Unexpected initial map for Array function");

}

@@ -584,7 +592,7 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {

if (FLAG_debug_code) {

__ LoadGlobalFunction(Context::STRING_FUNCTION_INDEX, r2);

- __ cmp(function, Operand(r2));

+ __ cmp(function, r2);

__ Assert(eq, "Unexpected String function");

}

@@ -594,7 +602,8 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {

__ b(eq, &no_arguments);

// First args = sp[(argc - 1) * 4].

__ sub(r0, r0, Operand(1));

- __ ldr(r0, MemOperand(sp, r0, LSL, kPointerSizeLog2, PreIndex));

+ __ lsl(r0, r0, Operand(kPointerSizeLog2));

+ __ ldr(r0, MemOperand(sp, r0));

// sp now point to args[0], drop args[0] + receiver.

__ Drop(2);

@@ -703,7 +712,7 @@ static void GenerateTailCallToSharedCode(MacroAssembler* masm) {

__ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));

__ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kCodeOffset));

__ add(r2, r2, Operand(Code::kHeaderSize - kHeapObjectTag));

- __ mov(pc, r2);

+ __ jmp(r2);

}

@@ -756,7 +765,7 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

FrameScope scope(masm, StackFrame::CONSTRUCT);

// Preserve the two incoming parameters on the stack.

- __ mov(r0, Operand(r0, LSL, kSmiTagSize));

+ __ lsl(r0, r0, Operand(kSmiTagSize));

__ push(r0); // Smi-tagged arguments count.

__ push(r1); // Constructor function.

@@ -774,20 +783,20 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

__ b(ne, &rt_call);

#endif

- // 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);

+ // 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, eq);

+ __ b(ne, &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);

+ // 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, eq);

+ __ b(eq, &rt_call);

if (count_constructions) {

Label allocate;

@@ -796,7 +805,8 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

MemOperand constructor_count =

FieldMemOperand(r3, SharedFunctionInfo::kConstructionCountOffset);

__ ldrb(r4, constructor_count);

- __ sub(r4, r4, Operand(1), SetCC);

+ __ sub(r4, r4, Operand(1));

+ __ cmpeq(r4, Operand(0));

__ strb(r4, constructor_count);

__ b(ne, &allocate);

@@ -839,18 +849,20 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

// r3: object size (in words)

// r4: JSObject (not tagged)

// r5: First in-object property of JSObject (not tagged)

- __ add(r6, r4, Operand(r3, LSL, kPointerSizeLog2)); // End of object.

+ __ lsl(r6, r3, Operand(kPointerSizeLog2));

+ __ add(r6, r4, r6); // End of object.

ASSERT_EQ(3 * kPointerSize, JSObject::kHeaderSize);

__ LoadRoot(r7, Heap::kUndefinedValueRootIndex);

if (count_constructions) {

__ ldr(r0, FieldMemOperand(r2, Map::kInstanceSizesOffset));

__ Ubfx(r0, r0, Map::kPreAllocatedPropertyFieldsByte * kBitsPerByte,

kBitsPerByte);

- __ add(r0, r5, Operand(r0, LSL, kPointerSizeLog2));

+ __ lsl(r0, r0, Operand(kPointerSizeLog2));

+ __ add(r0, r5, r0);

// r0: offset of first field after pre-allocated fields

if (FLAG_debug_code) {

- __ cmp(r0, r6);

- __ Assert(le, "Unexpected number of pre-allocated property fields.");

+ __ cmpgt(r0, r6);

+ __ Assert(ne, "Unexpected number of pre-allocated property fields.");

}

__ InitializeFieldsWithFiller(r5, r0, r7);

// To allow for truncation.

@@ -875,14 +887,16 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

__ ldr(r0, FieldMemOperand(r2, Map::kInstanceSizesOffset));

__ Ubfx(r6, r0, Map::kPreAllocatedPropertyFieldsByte * kBitsPerByte,

kBitsPerByte);

- __ add(r3, r3, Operand(r6));

+ __ add(r3, r3, r6);

__ Ubfx(r6, r0, Map::kInObjectPropertiesByte * kBitsPerByte,

kBitsPerByte);

- __ sub(r3, r3, Operand(r6), SetCC);

+ __ sub(r3, r3, r6);

+ __ cmpeq(r6, Operand(0));

// Done if no extra properties are to be allocated.

__ b(eq, &allocated);

- __ Assert(pl, "Property allocation count failed.");

+ __ cmpge(r6, Operand(0));

+ __ Assert(eq, "Property allocation count failed.");

// Scale the number of elements by pointer size and add the header for

// FixedArrays to the start of the next object calculation from above.

@@ -909,7 +923,7 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

ASSERT_EQ(0 * kPointerSize, JSObject::kMapOffset);

__ str(r6, MemOperand(r2, kPointerSize, PostIndex));

ASSERT_EQ(1 * kPointerSize, FixedArray::kLengthOffset);

- __ mov(r0, Operand(r3, LSL, kSmiTagSize));

+ __ lsl(r0, r3, Operand(kSmiTagSize));

__ str(r0, MemOperand(r2, kPointerSize, PostIndex));

// Initialize the fields to undefined.

@@ -918,22 +932,23 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

// r3: number of elements in properties array

// r4: JSObject

// r5: FixedArray (not tagged)

- __ add(r6, r2, Operand(r3, LSL, kPointerSizeLog2)); // End of object.

+ __ lsl(r6, r3, Operand(kPointerSizeLog2));

+ __ add(r6, r2, r6); // End of object.

ASSERT_EQ(2 * kPointerSize, FixedArray::kHeaderSize);

{ Label loop, entry;

if (count_constructions) {

__ LoadRoot(r7, Heap::kUndefinedValueRootIndex);

} else if (FLAG_debug_code) {

- __ LoadRoot(r8, Heap::kUndefinedValueRootIndex);

- __ cmp(r7, r8);

+ __ LoadRoot(cp, Heap::kUndefinedValueRootIndex);

+ __ cmp(r7, cp);

__ Assert(eq, "Undefined value not loaded.");

}

__ b(&entry);

__ bind(&loop);

__ str(r7, MemOperand(r2, kPointerSize, PostIndex));

__ bind(&entry);

- __ cmp(r2, r6);

- __ b(lt, &loop);

+ __ cmpge(r2, r6);

+ __ bf(&loop);

}

// Store the initialized FixedArray into the properties field of

@@ -982,7 +997,7 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

__ add(r2, fp, Operand(StandardFrameConstants::kCallerSPOffset));

// Set up number of arguments for function call below

- __ mov(r0, Operand(r3, LSR, kSmiTagSize));

+ __ lsr(r0, r3, Operand(kSmiTagSize));

// Copy arguments and receiver to the expression stack.

// r0: number of arguments

@@ -996,11 +1011,13 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

Label loop, entry;

__ b(&entry);

__ bind(&loop);

- __ ldr(ip, MemOperand(r2, r3, LSL, kPointerSizeLog2 - 1));

+ __ lsl(ip, r3, Operand(kPointerSizeLog2 - 1));

+ __ ldr(ip, MemOperand(r2, ip));

__ push(ip);

__ bind(&entry);

- __ sub(r3, r3, Operand(2), SetCC);

- __ b(ge, &loop);

+ __ sub(r3, r3, Operand(2));

+ __ cmpge(r3, Operand(0));

+ __ bt(&loop);

// Call the function.

// r0: number of arguments

@@ -1044,8 +1061,8 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

// 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, r3, r3, FIRST_SPEC_OBJECT_TYPE);

- __ b(ge, &exit);

+ __ CompareObjectType(r0, r3, r3, FIRST_SPEC_OBJECT_TYPE, ge);

+ __ bt(&exit);

// Throw away the result of the constructor invocation and use the

// on-stack receiver as the result.

@@ -1064,10 +1081,11 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

// Leave construct frame.

}

- __ add(sp, sp, Operand(r1, LSL, kPointerSizeLog2 - 1));

+ __ lsl(ip, r1, Operand(kPointerSizeLog2 - 1));

+ __ add(sp, sp, ip);

__ add(sp, sp, Operand(kPointerSize));

__ IncrementCounter(isolate->counters()->constructed_objects(), 1, r1, r2);

- __ Jump(lr);

+ __ rts();

}

@@ -1093,7 +1111,7 @@ static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,

// r1: function

// r2: receiver

// r3: argc

- // r4: argv

+ // r4: argv (JSEntryStub does set it)

// r5-r7, cp may be clobbered

// Clear the context before we push it when entering the internal frame.

@@ -1117,9 +1135,10 @@ static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,

// r3: argc

// r4: argv, i.e. points to first arg

Label loop, entry;

- __ add(r2, r4, Operand(r3, LSL, kPointerSizeLog2));

+ __ lsl(r2, r3, Operand(kPointerSizeLog2));

+ __ add(r2, r4, r2);

// r2 points past last arg.

- __ b(&entry);

+ __ b_near(&entry);

__ bind(&loop);

__ ldr(r0, MemOperand(r4, kPointerSize, PostIndex)); // read next parameter

__ ldr(r0, MemOperand(r0)); // dereference handle

@@ -1131,15 +1150,17 @@ static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,

// 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));

- __ mov(r7, Operand(r4));

- if (kR9Available == 1) {

- __ mov(r9, Operand(r4));

- }

+ __ mov(sh4_r5, r4);

+ __ mov(sh4_r6, r4);

+ __ mov(sh4_r7, r4);

+ __ mov(sh4_r8, r4);

+ __ mov(sh4_r9, r4);

// Invoke the code and pass argc as r0.

- __ mov(r0, Operand(r3));

+ __ mov(r0, r3);

+ // r0: argc

+ // r1: function

if (is_construct) {

CallConstructStub stub(NO_CALL_FUNCTION_FLAGS);

__ CallStub(&stub);

@@ -1152,7 +1173,7 @@ static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,

// return.

// Respect ABI stack constraint.

}

- __ Jump(lr);

+ __ rts();

// r0: result

}

@@ -1242,14 +1263,14 @@ static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,

// Switch on the state.

Label with_tos_register, unknown_state;

__ cmp(r6, Operand(FullCodeGenerator::NO_REGISTERS));

- __ b(ne, &with_tos_register);

+ __ b(ne, &with_tos_register, Label::kNear);

__ add(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);

+ __ b(ne, &unknown_state, Label::kNear);

__ add(sp, sp, Operand(2 * kPointerSize)); // Remove state.

__ Ret();

@@ -1273,48 +1294,20 @@ void Builtins::Generate_NotifyOSR(MacroAssembler* masm) {

// doesn't do any garbage collection which allows us to save/restore

// the registers without worrying about which of them contain

// pointers. This seems a bit fragile.

- __ stm(db_w, sp, kJSCallerSaved | kCalleeSaved | lr.bit() | fp.bit());

+ __ Push(pr, fp);

+ __ pushm(kJSCallerSaved | kCalleeSaved);

{

FrameScope scope(masm, StackFrame::INTERNAL);

__ CallRuntime(Runtime::kNotifyOSR, 0);

}

- __ ldm(ia_w, sp, kJSCallerSaved | kCalleeSaved | lr.bit() | fp.bit());

+ __ popm(kJSCallerSaved | kCalleeSaved);

+ __ Pop(pr, fp);

__ Ret();

}

void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {

- CpuFeatures::TryForceFeatureScope scope(VFP3);

- if (!CPU::SupportsCrankshaft()) {

- __ Abort("Unreachable code: Cannot optimize without VFP3 support.");

- return;

- }

- // Lookup the function in the JavaScript frame and push it as an

- // argument to the on-stack replacement function.

- __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));

- {

- FrameScope scope(masm, StackFrame::INTERNAL);

- __ push(r0);

- __ CallRuntime(Runtime::kCompileForOnStackReplacement, 1);

- }

- // If the result was -1 it means that we couldn't optimize the

- // function. Just return and continue in the unoptimized version.

- Label skip;

- __ cmp(r0, Operand(Smi::FromInt(-1)));

- __ b(ne, &skip);

- __ Ret();

- __ bind(&skip);

- // Untag the AST id and push it on the stack.

- __ SmiUntag(r0);

- __ push(r0);

- // Generate the code for doing the frame-to-frame translation using

- // the deoptimizer infrastructure.

- Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR);

- generator.Generate();

+ __ UNIMPLEMENTED_BREAK();

}

@@ -1322,8 +1315,8 @@ 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(0));

- __ b(ne, &done);

+ __ tst(r0, r0);

+ __ b(ne, &done, Label::kNear);

__ LoadRoot(r2, Heap::kUndefinedValueRootIndex);

__ push(r2);

__ add(r0, r0, Operand(1));

@@ -1334,9 +1327,10 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

// if it is a function.

// r0: actual number of arguments

Label slow, non_function;

- __ ldr(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));

+ __ lsl(r1, r0, Operand(kPointerSizeLog2));

+ __ ldr(r1, MemOperand(sp, r1));

__ JumpIfSmi(r1, &non_function);

- __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE);

+ __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE, eq);

__ b(ne, &slow);

// 3a. Patch the first argument if necessary when calling a function.

@@ -1360,12 +1354,13 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

__ b(ne, &shift_arguments);

// Compute the receiver in non-strict mode.

- __ add(r2, sp, Operand(r0, LSL, kPointerSizeLog2));

+ __ lsl(r2, r0, Operand(kPointerSizeLog2));

+ __ add(r2, sp, r2);

__ ldr(r2, MemOperand(r2, -kPointerSize));

// r0: actual number of arguments

// r1: function

// r2: first argument

- __ JumpIfSmi(r2, &convert_to_object);

+ __ JumpIfSmi(r2, &convert_to_object, Label::kNear);

__ LoadRoot(r3, Heap::kUndefinedValueRootIndex);

__ cmp(r2, r3);

@@ -1375,15 +1370,15 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

__ b(eq, &use_global_receiver);

STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);

- __ CompareObjectType(r2, r3, r3, FIRST_SPEC_OBJECT_TYPE);

- __ b(ge, &shift_arguments);

+ __ CompareObjectType(r2, r3, r3, FIRST_SPEC_OBJECT_TYPE, ge);

+ __ bt(&shift_arguments);

__ bind(&convert_to_object);

{

// Enter an internal frame in order to preserve argument count.

FrameScope scope(masm, StackFrame::INTERNAL);

- __ mov(r0, Operand(r0, LSL, kSmiTagSize)); // Smi-tagged.

+ __ lsl(r0, r0, Operand(kSmiTagSize)); // Smi-tagged.

__ push(r0);

__ push(r2);

@@ -1391,15 +1386,16 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

__ mov(r2, r0);

__ pop(r0);

- __ mov(r0, Operand(r0, ASR, kSmiTagSize));

+ __ asr(r0, r0, Operand(kSmiTagSize));

// Exit the internal frame.

}

- // Restore the function to r1, and the flag to r4.

- __ ldr(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));

+ // Restore the function to r1.

+ __ lsl(r1, r0, Operand(kPointerSizeLog2));

+ __ ldr(r1, MemOperand(sp, r1));

__ mov(r4, Operand(0, RelocInfo::NONE));

- __ jmp(&patch_receiver);

+ __ jmp_near(&patch_receiver);

// Use the global receiver object from the called function as the

// receiver.

@@ -1412,7 +1408,8 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

__ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalReceiverOffset));

__ bind(&patch_receiver);

- __ add(r3, sp, Operand(r0, LSL, kPointerSizeLog2));

+ __ lsl(r3, r0, Operand(kPointerSizeLog2));

+ __ add(r3, sp, r3);

__ str(r2, MemOperand(r3, -kPointerSize));

__ jmp(&shift_arguments);

@@ -1433,7 +1430,8 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

// 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));

+ __ lsl(r2, r0, Operand(kPointerSizeLog2));

+ __ add(r2, sp, r2);

__ str(r1, MemOperand(r2, -kPointerSize));

// 4. Shift arguments and return address one slot down on the stack

@@ -1445,7 +1443,8 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

__ bind(&shift_arguments);

{ Label loop;

// Calculate the copy start address (destination). Copy end address is sp.

- __ add(r2, sp, Operand(r0, LSL, kPointerSizeLog2));

+ __ lsl(r2, r0, Operand(kPointerSizeLog2));

+ __ add(r2, sp, r2);

__ bind(&loop);

__ ldr(ip, MemOperand(r2, -kPointerSize));

@@ -1466,7 +1465,7 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

// r4: call type (0: JS function, 1: function proxy, 2: non-function)

{ Label function, non_proxy;

__ tst(r4, r4);

- __ b(eq, &function);

+ __ b(eq, &function, Label::kNear);

// Expected number of arguments is 0 for CALL_NON_FUNCTION.

__ mov(r2, Operand(0, RelocInfo::NONE));

__ SetCallKind(r5, CALL_AS_METHOD);

@@ -1481,7 +1480,7 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

__ bind(&non_proxy);

__ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION);

- __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),

+ __ jmp(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),

RelocInfo::CODE_TARGET);

__ bind(&function);

}

@@ -1491,17 +1490,18 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {

// (tail-call) to the code in register edx without checking arguments.

// r0: actual number of arguments

// r1: function

+ Label end;

__ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));

__ ldr(r2,

FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset));

- __ mov(r2, Operand(r2, ASR, kSmiTagSize));

+ __ asr(r2, r2, Operand(kSmiTagSize));

__ ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));

__ SetCallKind(r5, CALL_AS_METHOD);

__ cmp(r2, r0); // Check formal and actual parameter counts.

- __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),

- RelocInfo::CODE_TARGET,

- ne);

+ __ bt_near(&end);

+ __ jmp(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),

+ RelocInfo::CODE_TARGET);

+ __ bind(&end);

ParameterCount expected(0);

__ InvokeCode(r3, expected, expected, JUMP_FUNCTION,

NullCallWrapper(), CALL_AS_METHOD);

@@ -1533,8 +1533,9 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {

// here which will cause r2 to become negative.

__ sub(r2, sp, r2);

// Check if the arguments will overflow the stack.

- __ cmp(r2, Operand(r0, LSL, kPointerSizeLog2 - kSmiTagSize));

- __ b(gt, &okay); // Signed comparison.

+ __ lsl(ip, r0, Operand(kPointerSizeLog2 - kSmiTagSize));

+ __ cmpgt(r2, ip);

+ __ bt_near(&okay); // Signed comparison.

// Out of stack space.

__ ldr(r1, MemOperand(fp, kFunctionOffset));

@@ -1555,8 +1556,8 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {

// 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);

+ __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE, eq);

+ __ bf(&push_receiver);

// Change context eagerly to get the right global object if necessary.

__ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));

@@ -1587,8 +1588,8 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {

// Check if the receiver is already a JavaScript object.

// r0: receiver

STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);

- __ CompareObjectType(r0, r1, r1, FIRST_SPEC_OBJECT_TYPE);

- __ b(ge, &push_receiver);

+ __ CompareObjectType(r0, r1, r1, FIRST_SPEC_OBJECT_TYPE, ge);

+ __ bt(&push_receiver);

// Convert the receiver to a regular object.

// r0: receiver

@@ -1602,7 +1603,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {

const int kGlobalOffset =

Context::kHeaderSize + Context::GLOBAL_OBJECT_INDEX * kPointerSize;

__ ldr(r0, FieldMemOperand(cp, kGlobalOffset));

- __ ldr(r0, FieldMemOperand(r0, GlobalObject::kNativeContextOffset));

+ __ ldr(r0, FieldMemOperand(r0, GlobalObject::kGlobalContextOffset));

__ ldr(r0, FieldMemOperand(r0, kGlobalOffset));

__ ldr(r0, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset));

@@ -1614,7 +1615,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {

// Copy all arguments from the array to the stack.

Label entry, loop;

__ ldr(r0, MemOperand(fp, kIndexOffset));

- __ b(&entry);

+ __ b_near(&entry);

// Load the current argument from the arguments array and push it to the

// stack.

@@ -1643,16 +1644,16 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {

// Invoke the function.

Label call_proxy;

ParameterCount actual(r0);

- __ mov(r0, Operand(r0, ASR, kSmiTagSize));

+ __ asr(r0, r0, Operand(kSmiTagSize));

__ ldr(r1, MemOperand(fp, kFunctionOffset));

- __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE);

- __ b(ne, &call_proxy);

+ __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE, eq);

+ __ bf(&call_proxy);

__ InvokeFunction(r1, actual, CALL_FUNCTION,

NullCallWrapper(), CALL_AS_METHOD);

frame_scope.GenerateLeaveFrame();

__ add(sp, sp, Operand(3 * kPointerSize));

- __ Jump(lr);

+ __ rts();

// Invoke the function proxy.

__ bind(&call_proxy);

@@ -1667,14 +1668,15 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {

// Tear down the internal frame and remove function, receiver and args.

}

__ add(sp, sp, Operand(3 * kPointerSize));

- __ Jump(lr);

+ __ rts();

}

static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {

- __ mov(r0, Operand(r0, LSL, kSmiTagSize));

+ __ lsl(r0, r0, Operand(kSmiTagSize));

__ mov(r4, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));

- __ stm(db_w, sp, r0.bit() | r1.bit() | r4.bit() | fp.bit() | lr.bit());

+ __ push(pr);

+ __ Push(fp, r4, r1, r0);

__ add(fp, sp, Operand(3 * kPointerSize));

}

@@ -1687,8 +1689,9 @@ static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) {

// then tear down the parameters.

__ ldr(r1, MemOperand(fp, -3 * kPointerSize));

__ mov(sp, fp);

- __ ldm(ia_w, sp, fp.bit() | lr.bit());

- __ add(sp, sp, Operand(r1, LSL, kPointerSizeLog2 - kSmiTagSize));

+ __ Pop(pr, fp);

+ __ lsl(ip, r1, Operand(kPointerSizeLog2 - kSmiTagSize));

+ __ add(sp, sp, ip);

__ add(sp, sp, Operand(kPointerSize)); // adjust for receiver

}

@@ -1705,8 +1708,8 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {

Label invoke, dont_adapt_arguments;

Label enough, too_few;

- __ cmp(r0, r2);

- __ b(lt, &too_few);

+ __ cmpge(r0, r2);

+ __ bf(&too_few);

__ cmp(r2, Operand(SharedFunctionInfo::kDontAdaptArgumentsSentinel));

__ b(eq, &dont_adapt_arguments);

@@ -1719,10 +1722,12 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {

// r1: function

// r2: expected number of arguments

// r3: code entry to call

- __ add(r0, fp, Operand(r0, LSL, kPointerSizeLog2 - kSmiTagSize));

+ __ lsl(r0, r0, Operand(kPointerSizeLog2 - kSmiTagSize));

+ __ add(r0, fp, r0);

// adjust for return address and receiver

__ add(r0, r0, Operand(2 * kPointerSize));

- __ sub(r2, r0, Operand(r2, LSL, kPointerSizeLog2));

+ __ lsl(r2, r2, Operand(kPointerSizeLog2));

+ __ sub(r2, r0, r2);

// Copy the arguments (including the receiver) to the new stack frame.

// r0: copy start address

@@ -1750,7 +1755,8 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {

// r1: function

// r2: expected number of arguments

// r3: code entry to call

- __ add(r0, fp, Operand(r0, LSL, kPointerSizeLog2 - kSmiTagSize));

+ __ lsl(r0, r0, Operand(kPointerSizeLog2 - kSmiTagSize));

+ __ add(r0, fp, r0);

// Copy the arguments (including the receiver) to the new stack frame.

// r0: copy start address

@@ -1771,7 +1777,8 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {

// r2: expected number of arguments

// r3: code entry to call

__ LoadRoot(ip, Heap::kUndefinedValueRootIndex);

- __ sub(r2, fp, Operand(r2, LSL, kPointerSizeLog2));

+ __ lsl(r2, r2, Operand(kPointerSizeLog2));

+ __ sub(r2, fp, r2);

__ sub(r2, r2, Operand(4 * kPointerSize)); // Adjust for frame.

Label fill;

@@ -1783,21 +1790,21 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {

// Call the entry point.

__ bind(&invoke);

- __ Call(r3);

+ __ jsr(r3);

// Store offset of return address for deoptimizer.

masm->isolate()->heap()->SetArgumentsAdaptorDeoptPCOffset(masm->pc_offset());

// Exit frame and return.

LeaveArgumentsAdaptorFrame(masm);

- __ Jump(lr);

+ __ rts();

// -------------------------------------------

// Dont adapt arguments.

// -------------------------------------------

__ bind(&dont_adapt_arguments);

- __ Jump(r3);

+ __ jmp(r3);

}

@@ -1805,4 +1812,4 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {

} } // namespace v8::internal

-#endif // V8_TARGET_ARCH_ARM

+#endif // V8_TARGET_ARCH_SH4

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