| Index: src/mips/fast-codegen-mips.cc
|
| ===================================================================
|
| --- src/mips/fast-codegen-mips.cc (revision 0)
|
| +++ src/mips/fast-codegen-mips.cc (revision 0)
|
| @@ -0,0 +1,1326 @@
|
| +// Copyright 2009 the V8 project authors. All rights reserved.
|
| +// Redistribution and use in source and binary forms, with or without
|
| +// modification, are permitted provided that the following conditions are
|
| +// met:
|
| +//
|
| +// * Redistributions of source code must retain the above copyright
|
| +// notice, this list of conditions and the following disclaimer.
|
| +// * Redistributions in binary form must reproduce the above
|
| +// copyright notice, this list of conditions and the following
|
| +// disclaimer in the documentation and/or other materials provided
|
| +// with the distribution.
|
| +// * Neither the name of Google Inc. nor the names of its
|
| +// contributors may be used to endorse or promote products derived
|
| +// from this software without specific prior written permission.
|
| +//
|
| +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
| +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
| +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
| +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
| +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
| +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
| +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
| +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
| +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
| +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| +
|
| +#include "v8.h"
|
| +
|
| +#include "codegen-inl.h"
|
| +#include "fast-codegen.h"
|
| +
|
| +namespace v8 {
|
| +namespace internal {
|
| +
|
| +#define __ ACCESS_MASM(masm_)
|
| +
|
| +// Generate code for a JS function. On entry to the function the receiver
|
| +// and arguments have been pushed on the stack left to right. The actual
|
| +// argument count matches the formal parameter count expected by the
|
| +// function.
|
| +//
|
| +// The live registers are:
|
| +// o r1: the JS function object being called (ie, ourselves)
|
| +// o cp: our context
|
| +// o fp: our caller's frame pointer
|
| +// o sp: stack pointer
|
| +// o lr: return address
|
| +//
|
| +// The function builds a JS frame. Please see JavaScriptFrameConstants in
|
| +// frames-arm.h for its layout.
|
| +void FastCodeGenerator::Generate(FunctionLiteral* fun) {
|
| + UNIMPLEMENTED();
|
| +// function_ = fun;
|
| +// SetFunctionPosition(fun);
|
| +//
|
| +// __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit());
|
| +// // Adjust fp to point to caller's fp.
|
| +// __ add(fp, sp, Operand(2 * kPointerSize));
|
| +//
|
| +// { Comment cmnt(masm_, "[ Allocate locals");
|
| +// int locals_count = fun->scope()->num_stack_slots();
|
| +// if (locals_count > 0) {
|
| +// __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
|
| +// }
|
| +// __ LoadRoot(r2, Heap::kStackLimitRootIndex);
|
| +// for (int i = 0; i < locals_count; i++) {
|
| +// __ push(ip);
|
| +// }
|
| +// }
|
| +//
|
| +// // Check the stack for overflow or break request.
|
| +// // Put the lr setup instruction in the delay slot. The kInstrSize is
|
| +// // added to the implicit 8 byte offset that always applies to operations
|
| +// // with pc and gives a return address 12 bytes down.
|
| +// Comment cmnt(masm_, "[ Stack check");
|
| +// __ add(lr, pc, Operand(Assembler::kInstrSize));
|
| +// __ cmp(sp, Operand(r2));
|
| +// StackCheckStub stub;
|
| +// __ mov(pc,
|
| +// Operand(reinterpret_cast<intptr_t>(stub.GetCode().location()),
|
| +// RelocInfo::CODE_TARGET),
|
| +// LeaveCC,
|
| +// lo);
|
| +//
|
| +// { Comment cmnt(masm_, "[ Declarations");
|
| +// VisitDeclarations(fun->scope()->declarations());
|
| +// }
|
| +//
|
| +// if (FLAG_trace) {
|
| +// __ CallRuntime(Runtime::kTraceEnter, 0);
|
| +// }
|
| +//
|
| +// { Comment cmnt(masm_, "[ Body");
|
| +// ASSERT(loop_depth() == 0);
|
| +// VisitStatements(fun->body());
|
| +// ASSERT(loop_depth() == 0);
|
| +// }
|
| +//
|
| +// { Comment cmnt(masm_, "[ return <undefined>;");
|
| +// // Emit a 'return undefined' in case control fell off the end of the
|
| +// // body.
|
| +// __ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
|
| +// }
|
| +// EmitReturnSequence(function_->end_position());
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::EmitReturnSequence(int position) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ Return sequence");
|
| +// if (return_label_.is_bound()) {
|
| +// __ b(&return_label_);
|
| +// } else {
|
| +// __ bind(&return_label_);
|
| +// if (FLAG_trace) {
|
| +// // Push the return value on the stack as the parameter.
|
| +// // Runtime::TraceExit returns its parameter in r0.
|
| +// __ push(r0);
|
| +// __ CallRuntime(Runtime::kTraceExit, 1);
|
| +// }
|
| +//
|
| +// // Add a label for checking the size of the code used for returning.
|
| +// Label check_exit_codesize;
|
| +// masm_->bind(&check_exit_codesize);
|
| +//
|
| +// // Calculate the exact length of the return sequence and make sure that
|
| +// // the constant pool is not emitted inside of the return sequence.
|
| +// int num_parameters = function_->scope()->num_parameters();
|
| +// int32_t sp_delta = (num_parameters + 1) * kPointerSize;
|
| +// int return_sequence_length = Debug::kARMJSReturnSequenceLength;
|
| +// if (!masm_->ImmediateFitsAddrMode1Instruction(sp_delta)) {
|
| +// // Additional mov instruction generated.
|
| +// return_sequence_length++;
|
| +// }
|
| +// masm_->BlockConstPoolFor(return_sequence_length);
|
| +//
|
| +// CodeGenerator::RecordPositions(masm_, position);
|
| +// __ RecordJSReturn();
|
| +// __ mov(sp, fp);
|
| +// __ ldm(ia_w, sp, fp.bit() | lr.bit());
|
| +// __ add(sp, sp, Operand(sp_delta));
|
| +// __ Jump(lr);
|
| +//
|
| +// // Check that the size of the code used for returning matches what is
|
| +// // expected by the debugger. The add instruction above is an addressing
|
| +// // mode 1 instruction where there are restrictions on which immediate values
|
| +// // can be encoded in the instruction and which immediate values requires
|
| +// // use of an additional instruction for moving the immediate to a temporary
|
| +// // register.
|
| +// ASSERT_EQ(return_sequence_length,
|
| +// masm_->InstructionsGeneratedSince(&check_exit_codesize));
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::Move(Expression::Context context, Register source) {
|
| + UNIMPLEMENTED();
|
| +// switch (context) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kEffect:
|
| +// break;
|
| +// case Expression::kValue:
|
| +// __ push(source);
|
| +// break;
|
| +// case Expression::kTest:
|
| +// TestAndBranch(source, true_label_, false_label_);
|
| +// break;
|
| +// case Expression::kValueTest: {
|
| +// Label discard;
|
| +// __ push(source);
|
| +// TestAndBranch(source, true_label_, &discard);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(false_label_);
|
| +// break;
|
| +// }
|
| +// case Expression::kTestValue: {
|
| +// Label discard;
|
| +// __ push(source);
|
| +// TestAndBranch(source, &discard, false_label_);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(true_label_);
|
| +// }
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::Move(Expression::Context context, Slot* source) {
|
| + UNIMPLEMENTED();
|
| +// switch (context) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kEffect:
|
| +// break;
|
| +// case Expression::kValue: // Fall through.
|
| +// case Expression::kTest: // Fall through.
|
| +// case Expression::kValueTest: // Fall through.
|
| +// case Expression::kTestValue:
|
| +// __ ldr(ip, MemOperand(fp, SlotOffset(source)));
|
| +// Move(context, ip);
|
| +// break;
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::Move(Expression::Context context, Literal* expr) {
|
| + UNIMPLEMENTED();
|
| +// switch (context) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kEffect:
|
| +// break;
|
| +// case Expression::kValue: // Fall through.
|
| +// case Expression::kTest: // Fall through.
|
| +// case Expression::kValueTest: // Fall through.
|
| +// case Expression::kTestValue:
|
| +// __ mov(ip, Operand(expr->handle()));
|
| +// Move(context, ip);
|
| +// break;
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::DropAndMove(Expression::Context context,
|
| + Register source) {
|
| + UNIMPLEMENTED();
|
| +// switch (context) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kEffect:
|
| +// __ pop();
|
| +// break;
|
| +// case Expression::kValue:
|
| +// __ str(source, MemOperand(sp));
|
| +// break;
|
| +// case Expression::kTest:
|
| +// ASSERT(!source.is(sp));
|
| +// __ pop();
|
| +// TestAndBranch(source, true_label_, false_label_);
|
| +// break;
|
| +// case Expression::kValueTest: {
|
| +// Label discard;
|
| +// __ str(source, MemOperand(sp));
|
| +// TestAndBranch(source, true_label_, &discard);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(false_label_);
|
| +// break;
|
| +// }
|
| +// case Expression::kTestValue: {
|
| +// Label discard;
|
| +// __ str(source, MemOperand(sp));
|
| +// TestAndBranch(source, &discard, false_label_);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(true_label_);
|
| +// break;
|
| +// }
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::TestAndBranch(Register source,
|
| + Label* true_label,
|
| + Label* false_label) {
|
| + UNIMPLEMENTED();
|
| +// ASSERT_NE(NULL, true_label);
|
| +// ASSERT_NE(NULL, false_label);
|
| +// // Call the runtime to find the boolean value of the source and then
|
| +// // translate it into control flow to the pair of labels.
|
| +// __ push(source);
|
| +// __ CallRuntime(Runtime::kToBool, 1);
|
| +// __ LoadRoot(ip, Heap::kTrueValueRootIndex);
|
| +// __ cmp(r0, ip);
|
| +// __ b(eq, true_label);
|
| +// __ jmp(false_label);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
|
| + UNIMPLEMENTED();
|
| +// // Call the runtime to declare the globals.
|
| +// // The context is the first argument.
|
| +// __ mov(r1, Operand(pairs));
|
| +// __ mov(r0, Operand(Smi::FromInt(is_eval_ ? 1 : 0)));
|
| +// __ stm(db_w, sp, cp.bit() | r1.bit() | r0.bit());
|
| +// __ CallRuntime(Runtime::kDeclareGlobals, 3);
|
| +// // Return value is ignored.
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitReturnStatement(ReturnStatement* stmt) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ ReturnStatement");
|
| +// Expression* expr = stmt->expression();
|
| +// // Complete the statement based on the type of the subexpression.
|
| +// if (expr->AsLiteral() != NULL) {
|
| +// __ mov(r0, Operand(expr->AsLiteral()->handle()));
|
| +// } else {
|
| +// ASSERT_EQ(Expression::kValue, expr->context());
|
| +// Visit(expr);
|
| +// __ pop(r0);
|
| +// }
|
| +// EmitReturnSequence(stmt->statement_pos());
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitFunctionLiteral(FunctionLiteral* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ FunctionLiteral");
|
| +//
|
| +// // Build the function boilerplate and instantiate it.
|
| +// Handle<JSFunction> boilerplate =
|
| +// Compiler::BuildBoilerplate(expr, script_, this);
|
| +// if (HasStackOverflow()) return;
|
| +//
|
| +// ASSERT(boilerplate->IsBoilerplate());
|
| +//
|
| +// // Create a new closure.
|
| +// __ mov(r0, Operand(boilerplate));
|
| +// __ stm(db_w, sp, cp.bit() | r0.bit());
|
| +// __ CallRuntime(Runtime::kNewClosure, 2);
|
| +// Move(expr->context(), r0);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitVariableProxy(VariableProxy* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ VariableProxy");
|
| +// Expression* rewrite = expr->var()->rewrite();
|
| +// if (rewrite == NULL) {
|
| +// Comment cmnt(masm_, "Global variable");
|
| +// // Use inline caching. Variable name is passed in r2 and the global
|
| +// // object on the stack.
|
| +// __ ldr(ip, CodeGenerator::GlobalObject());
|
| +// __ push(ip);
|
| +// __ mov(r2, Operand(expr->name()));
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET_CONTEXT);
|
| +// DropAndMove(expr->context(), r0);
|
| +// } else {
|
| +// Comment cmnt(masm_, "Stack slot");
|
| +// Move(expr->context(), rewrite->AsSlot());
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ RegExpLiteral");
|
| +// Label done;
|
| +// // Registers will be used as follows:
|
| +// // r4 = JS function, literals array
|
| +// // r3 = literal index
|
| +// // r2 = RegExp pattern
|
| +// // r1 = RegExp flags
|
| +// // r0 = temp + return value (RegExp literal)
|
| +// __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
|
| +// __ ldr(r4, FieldMemOperand(r0, JSFunction::kLiteralsOffset));
|
| +// int literal_offset =
|
| +// FixedArray::kHeaderSize + expr->literal_index() * kPointerSize;
|
| +// __ ldr(r0, FieldMemOperand(r4, literal_offset));
|
| +// __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
|
| +// __ cmp(r0, ip);
|
| +// __ b(ne, &done);
|
| +// __ mov(r3, Operand(Smi::FromInt(expr->literal_index())));
|
| +// __ mov(r2, Operand(expr->pattern()));
|
| +// __ mov(r1, Operand(expr->flags()));
|
| +// __ stm(db_w, sp, r4.bit() | r3.bit() | r2.bit() | r1.bit());
|
| +// __ CallRuntime(Runtime::kMaterializeRegExpLiteral, 4);
|
| +// __ bind(&done);
|
| +// Move(expr->context(), r0);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ ObjectLiteral");
|
| +// Label boilerplate_exists;
|
| +// __ ldr(r2, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
|
| +// // r2 = literal array (0).
|
| +// __ ldr(r2, FieldMemOperand(r2, JSFunction::kLiteralsOffset));
|
| +// int literal_offset =
|
| +// FixedArray::kHeaderSize + expr->literal_index() * kPointerSize;
|
| +// __ ldr(r0, FieldMemOperand(r2, literal_offset));
|
| +// // Check whether we need to materialize the object literal boilerplate.
|
| +// __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
|
| +// __ cmp(r0, Operand(ip));
|
| +// __ b(ne, &boilerplate_exists);
|
| +// // Create boilerplate if it does not exist.
|
| +// // r1 = literal index (1).
|
| +// __ mov(r1, Operand(Smi::FromInt(expr->literal_index())));
|
| +// // r0 = constant properties (2).
|
| +// __ mov(r0, Operand(expr->constant_properties()));
|
| +// __ stm(db_w, sp, r2.bit() | r1.bit() | r0.bit());
|
| +// __ CallRuntime(Runtime::kCreateObjectLiteralBoilerplate, 3);
|
| +// __ bind(&boilerplate_exists);
|
| +// // r0 contains boilerplate.
|
| +// // Clone boilerplate.
|
| +// __ push(r0);
|
| +// if (expr->depth() > 1) {
|
| +// __ CallRuntime(Runtime::kCloneLiteralBoilerplate, 1);
|
| +// } else {
|
| +// __ CallRuntime(Runtime::kCloneShallowLiteralBoilerplate, 1);
|
| +// }
|
| +//
|
| +// // If result_saved == true: the result is saved on top of the stack.
|
| +// // If result_saved == false: the result is in r0.
|
| +// bool result_saved = false;
|
| +//
|
| +// for (int i = 0; i < expr->properties()->length(); i++) {
|
| +// ObjectLiteral::Property* property = expr->properties()->at(i);
|
| +// if (property->IsCompileTimeValue()) continue;
|
| +//
|
| +// Literal* key = property->key();
|
| +// Expression* value = property->value();
|
| +// if (!result_saved) {
|
| +// __ push(r0); // Save result on stack
|
| +// result_saved = true;
|
| +// }
|
| +// switch (property->kind()) {
|
| +// case ObjectLiteral::Property::CONSTANT:
|
| +// UNREACHABLE();
|
| +//
|
| +// case ObjectLiteral::Property::MATERIALIZED_LITERAL: // Fall through.
|
| +// ASSERT(!CompileTimeValue::IsCompileTimeValue(property->value()));
|
| +// case ObjectLiteral::Property::COMPUTED:
|
| +// if (key->handle()->IsSymbol()) {
|
| +// Visit(value);
|
| +// ASSERT_EQ(Expression::kValue, value->context());
|
| +// __ pop(r0);
|
| +// __ mov(r2, Operand(key->handle()));
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET);
|
| +// // StoreIC leaves the receiver on the stack.
|
| +// break;
|
| +// }
|
| +// // Fall through.
|
| +//
|
| +// case ObjectLiteral::Property::PROTOTYPE:
|
| +// __ push(r0);
|
| +// Visit(key);
|
| +// ASSERT_EQ(Expression::kValue, key->context());
|
| +// Visit(value);
|
| +// ASSERT_EQ(Expression::kValue, value->context());
|
| +// __ CallRuntime(Runtime::kSetProperty, 3);
|
| +// __ ldr(r0, MemOperand(sp)); // Restore result into r0
|
| +// break;
|
| +//
|
| +// case ObjectLiteral::Property::GETTER: // Fall through.
|
| +// case ObjectLiteral::Property::SETTER:
|
| +// __ push(r0);
|
| +// Visit(key);
|
| +// ASSERT_EQ(Expression::kValue, key->context());
|
| +// __ mov(r1, Operand(property->kind() == ObjectLiteral::Property::SETTER ?
|
| +// Smi::FromInt(1) :
|
| +// Smi::FromInt(0)));
|
| +// __ push(r1);
|
| +// Visit(value);
|
| +// ASSERT_EQ(Expression::kValue, value->context());
|
| +// __ CallRuntime(Runtime::kDefineAccessor, 4);
|
| +// __ ldr(r0, MemOperand(sp)); // Restore result into r0
|
| +// break;
|
| +// }
|
| +// }
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kEffect:
|
| +// if (result_saved) __ pop();
|
| +// break;
|
| +// case Expression::kValue:
|
| +// if (!result_saved) __ push(r0);
|
| +// break;
|
| +// case Expression::kTest:
|
| +// if (result_saved) __ pop(r0);
|
| +// TestAndBranch(r0, true_label_, false_label_);
|
| +// break;
|
| +// case Expression::kValueTest: {
|
| +// Label discard;
|
| +// if (!result_saved) __ push(r0);
|
| +// TestAndBranch(r0, true_label_, &discard);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(false_label_);
|
| +// break;
|
| +// }
|
| +// case Expression::kTestValue: {
|
| +// Label discard;
|
| +// if (!result_saved) __ push(r0);
|
| +// TestAndBranch(r0, &discard, false_label_);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(true_label_);
|
| +// break;
|
| +// }
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ ArrayLiteral");
|
| +// Label make_clone;
|
| +//
|
| +// // Fetch the function's literals array.
|
| +// __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
|
| +// __ ldr(r3, FieldMemOperand(r3, JSFunction::kLiteralsOffset));
|
| +// // Check if the literal's boilerplate has been instantiated.
|
| +// int offset =
|
| +// FixedArray::kHeaderSize + (expr->literal_index() * kPointerSize);
|
| +// __ ldr(r0, FieldMemOperand(r3, offset));
|
| +// __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
|
| +// __ cmp(r0, ip);
|
| +// __ b(&make_clone, ne);
|
| +//
|
| +// // Instantiate the boilerplate.
|
| +// __ mov(r2, Operand(Smi::FromInt(expr->literal_index())));
|
| +// __ mov(r1, Operand(expr->literals()));
|
| +// __ stm(db_w, sp, r3.bit() | r2.bit() | r1.bit());
|
| +// __ CallRuntime(Runtime::kCreateArrayLiteralBoilerplate, 3);
|
| +//
|
| +// __ bind(&make_clone);
|
| +// // Clone the boilerplate.
|
| +// __ push(r0);
|
| +// if (expr->depth() > 1) {
|
| +// __ CallRuntime(Runtime::kCloneLiteralBoilerplate, 1);
|
| +// } else {
|
| +// __ CallRuntime(Runtime::kCloneShallowLiteralBoilerplate, 1);
|
| +// }
|
| +//
|
| +// bool result_saved = false; // Is the result saved to the stack?
|
| +//
|
| +// // Emit code to evaluate all the non-constant subexpressions and to store
|
| +// // them into the newly cloned array.
|
| +// ZoneList<Expression*>* subexprs = expr->values();
|
| +// for (int i = 0, len = subexprs->length(); i < len; i++) {
|
| +// Expression* subexpr = subexprs->at(i);
|
| +// // If the subexpression is a literal or a simple materialized literal it
|
| +// // is already set in the cloned array.
|
| +// if (subexpr->AsLiteral() != NULL ||
|
| +// CompileTimeValue::IsCompileTimeValue(subexpr)) {
|
| +// continue;
|
| +// }
|
| +//
|
| +// if (!result_saved) {
|
| +// __ push(r0);
|
| +// result_saved = true;
|
| +// }
|
| +// Visit(subexpr);
|
| +// ASSERT_EQ(Expression::kValue, subexpr->context());
|
| +//
|
| +// // Store the subexpression value in the array's elements.
|
| +// __ pop(r0); // Subexpression value.
|
| +// __ ldr(r1, MemOperand(sp)); // Copy of array literal.
|
| +// __ ldr(r1, FieldMemOperand(r1, JSObject::kElementsOffset));
|
| +// int offset = FixedArray::kHeaderSize + (i * kPointerSize);
|
| +// __ str(r0, FieldMemOperand(r1, offset));
|
| +//
|
| +// // Update the write barrier for the array store with r0 as the scratch
|
| +// // register.
|
| +// __ mov(r2, Operand(offset));
|
| +// __ RecordWrite(r1, r2, r0);
|
| +// }
|
| +//
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kEffect:
|
| +// if (result_saved) __ pop();
|
| +// break;
|
| +// case Expression::kValue:
|
| +// if (!result_saved) __ push(r0);
|
| +// break;
|
| +// case Expression::kTest:
|
| +// if (result_saved) __ pop(r0);
|
| +// TestAndBranch(r0, true_label_, false_label_);
|
| +// break;
|
| +// case Expression::kValueTest: {
|
| +// Label discard;
|
| +// if (!result_saved) __ push(r0);
|
| +// TestAndBranch(r0, true_label_, &discard);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(false_label_);
|
| +// break;
|
| +// }
|
| +// case Expression::kTestValue: {
|
| +// Label discard;
|
| +// if (!result_saved) __ push(r0);
|
| +// TestAndBranch(r0, &discard, false_label_);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(true_label_);
|
| +// break;
|
| +// }
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::EmitVariableAssignment(Assignment* expr) {
|
| + UNIMPLEMENTED();
|
| +// Variable* var = expr->target()->AsVariableProxy()->AsVariable();
|
| +// ASSERT(var != NULL);
|
| +//
|
| +// if (var->is_global()) {
|
| +// // Assignment to a global variable. Use inline caching for the
|
| +// // assignment. Right-hand-side value is passed in r0, variable name in
|
| +// // r2, and the global object on the stack.
|
| +// __ pop(r0);
|
| +// __ mov(r2, Operand(var->name()));
|
| +// __ ldr(ip, CodeGenerator::GlobalObject());
|
| +// __ push(ip);
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET);
|
| +// // Overwrite the global object on the stack with the result if needed.
|
| +// DropAndMove(expr->context(), r0);
|
| +//
|
| +// } else {
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kEffect:
|
| +// // Perform assignment and discard value.
|
| +// __ pop(r0);
|
| +// __ str(r0, MemOperand(fp, SlotOffset(var->slot())));
|
| +// break;
|
| +// case Expression::kValue:
|
| +// // Perform assignment and preserve value.
|
| +// __ ldr(r0, MemOperand(sp));
|
| +// __ str(r0, MemOperand(fp, SlotOffset(var->slot())));
|
| +// break;
|
| +// case Expression::kTest:
|
| +// // Perform assignment and test (and discard) value.
|
| +// __ pop(r0);
|
| +// __ str(r0, MemOperand(fp, SlotOffset(var->slot())));
|
| +// TestAndBranch(r0, true_label_, false_label_);
|
| +// break;
|
| +// case Expression::kValueTest: {
|
| +// Label discard;
|
| +// __ ldr(r0, MemOperand(sp));
|
| +// __ str(r0, MemOperand(fp, SlotOffset(var->slot())));
|
| +// TestAndBranch(r0, true_label_, &discard);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(false_label_);
|
| +// break;
|
| +// }
|
| +// case Expression::kTestValue: {
|
| +// Label discard;
|
| +// __ ldr(r0, MemOperand(sp));
|
| +// __ str(r0, MemOperand(fp, SlotOffset(var->slot())));
|
| +// TestAndBranch(r0, &discard, false_label_);
|
| +// __ bind(&discard);
|
| +// __ pop();
|
| +// __ jmp(true_label_);
|
| +// break;
|
| +// }
|
| +// }
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) {
|
| + UNIMPLEMENTED();
|
| +// // Assignment to a property, using a named store IC.
|
| +// Property* prop = expr->target()->AsProperty();
|
| +// ASSERT(prop != NULL);
|
| +// ASSERT(prop->key()->AsLiteral() != NULL);
|
| +//
|
| +// // If the assignment starts a block of assignments to the same object,
|
| +// // change to slow case to avoid the quadratic behavior of repeatedly
|
| +// // adding fast properties.
|
| +// if (expr->starts_initialization_block()) {
|
| +// __ ldr(ip, MemOperand(sp, kPointerSize)); // Receiver is under value.
|
| +// __ push(ip);
|
| +// __ CallRuntime(Runtime::kToSlowProperties, 1);
|
| +// }
|
| +//
|
| +// __ pop(r0);
|
| +// __ mov(r2, Operand(prop->key()->AsLiteral()->handle()));
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET);
|
| +//
|
| +// // If the assignment ends an initialization block, revert to fast case.
|
| +// if (expr->ends_initialization_block()) {
|
| +// __ push(r0); // Result of assignment, saved even if not needed.
|
| +// __ ldr(ip, MemOperand(sp, kPointerSize)); // Receiver is under value.
|
| +// __ push(ip);
|
| +// __ CallRuntime(Runtime::kToFastProperties, 1);
|
| +// __ pop(r0);
|
| +// }
|
| +//
|
| +// DropAndMove(expr->context(), r0);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
|
| + UNIMPLEMENTED();
|
| +// // Assignment to a property, using a keyed store IC.
|
| +//
|
| +// // If the assignment starts a block of assignments to the same object,
|
| +// // change to slow case to avoid the quadratic behavior of repeatedly
|
| +// // adding fast properties.
|
| +// if (expr->starts_initialization_block()) {
|
| +// // Reciever is under the key and value.
|
| +// __ ldr(ip, MemOperand(sp, 2 * kPointerSize));
|
| +// __ push(ip);
|
| +// __ CallRuntime(Runtime::kToSlowProperties, 1);
|
| +// }
|
| +//
|
| +// __ pop(r0);
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET);
|
| +//
|
| +// // If the assignment ends an initialization block, revert to fast case.
|
| +// if (expr->ends_initialization_block()) {
|
| +// __ push(r0); // Result of assignment, saved even if not needed.
|
| +// // Reciever is under the key and value.
|
| +// __ ldr(ip, MemOperand(sp, 2 * kPointerSize));
|
| +// __ push(ip);
|
| +// __ CallRuntime(Runtime::kToFastProperties, 1);
|
| +// __ pop(r0);
|
| +// }
|
| +//
|
| +// // Receiver and key are still on stack.
|
| +// __ add(sp, sp, Operand(2 * kPointerSize));
|
| +// Move(expr->context(), r0);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitProperty(Property* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ Property");
|
| +// Expression* key = expr->key();
|
| +// uint32_t dummy;
|
| +//
|
| +// // Record the source position for the property load.
|
| +// SetSourcePosition(expr->position());
|
| +//
|
| +// // Evaluate receiver.
|
| +// Visit(expr->obj());
|
| +//
|
| +// if (key->AsLiteral() != NULL && key->AsLiteral()->handle()->IsSymbol() &&
|
| +// !String::cast(*(key->AsLiteral()->handle()))->AsArrayIndex(&dummy)) {
|
| +// // Do a NAMED property load.
|
| +// // The IC expects the property name in ecx and the receiver on the stack.
|
| +// __ mov(r2, Operand(key->AsLiteral()->handle()));
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET);
|
| +// } else {
|
| +// // Do a KEYED property load.
|
| +// Visit(expr->key());
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET);
|
| +// // Drop key and receiver left on the stack by IC.
|
| +// __ pop();
|
| +// }
|
| +// DropAndMove(expr->context(), r0);
|
| +}
|
| +
|
| +void FastCodeGenerator::EmitCallWithIC(Call* expr, RelocInfo::Mode reloc_info) {
|
| + UNIMPLEMENTED();
|
| +// // Code common for calls using the IC.
|
| +// ZoneList<Expression*>* args = expr->arguments();
|
| +// int arg_count = args->length();
|
| +// for (int i = 0; i < arg_count; i++) {
|
| +// Visit(args->at(i));
|
| +// ASSERT_EQ(Expression::kValue, args->at(i)->context());
|
| +// }
|
| +// // Record source position for debugger.
|
| +// SetSourcePosition(expr->position());
|
| +// // Call the IC initialization code.
|
| +// Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count,
|
| +// NOT_IN_LOOP);
|
| +// __ Call(ic, reloc_info);
|
| +// // Restore context register.
|
| +// __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
|
| +// // Discard the function left on TOS.
|
| +// DropAndMove(expr->context(), r0);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::EmitCallWithStub(Call* expr) {
|
| + UNIMPLEMENTED();
|
| +// // Code common for calls using the call stub.
|
| +// ZoneList<Expression*>* args = expr->arguments();
|
| +// int arg_count = args->length();
|
| +// for (int i = 0; i < arg_count; i++) {
|
| +// Visit(args->at(i));
|
| +// }
|
| +// // Record source position for debugger.
|
| +// SetSourcePosition(expr->position());
|
| +// CallFunctionStub stub(arg_count, NOT_IN_LOOP);
|
| +// __ CallStub(&stub);
|
| +// // Restore context register.
|
| +// __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
|
| +// // Discard the function left on TOS.
|
| +// DropAndMove(expr->context(), r0);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitCall(Call* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ Call");
|
| +// Expression* fun = expr->expression();
|
| +// Variable* var = fun->AsVariableProxy()->AsVariable();
|
| +//
|
| +// if (var != NULL && var->is_possibly_eval()) {
|
| +// // Call to the identifier 'eval'.
|
| +// UNREACHABLE();
|
| +// } else if (var != NULL && !var->is_this() && var->is_global()) {
|
| +// // Call to a global variable.
|
| +// __ mov(r1, Operand(var->name()));
|
| +// // Push global object as receiver for the call IC lookup.
|
| +// __ ldr(r0, CodeGenerator::GlobalObject());
|
| +// __ stm(db_w, sp, r1.bit() | r0.bit());
|
| +// EmitCallWithIC(expr, RelocInfo::CODE_TARGET_CONTEXT);
|
| +// } else if (var != NULL && var->slot() != NULL &&
|
| +// var->slot()->type() == Slot::LOOKUP) {
|
| +// // Call to a lookup slot.
|
| +// UNREACHABLE();
|
| +// } else if (fun->AsProperty() != NULL) {
|
| +// // Call to an object property.
|
| +// Property* prop = fun->AsProperty();
|
| +// Literal* key = prop->key()->AsLiteral();
|
| +// if (key != NULL && key->handle()->IsSymbol()) {
|
| +// // Call to a named property, use call IC.
|
| +// __ mov(r0, Operand(key->handle()));
|
| +// __ push(r0);
|
| +// Visit(prop->obj());
|
| +// EmitCallWithIC(expr, RelocInfo::CODE_TARGET);
|
| +// } else {
|
| +// // Call to a keyed property, use keyed load IC followed by function
|
| +// // call.
|
| +// Visit(prop->obj());
|
| +// Visit(prop->key());
|
| +// // Record source code position for IC call.
|
| +// SetSourcePosition(prop->position());
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET);
|
| +// // Load receiver object into r1.
|
| +// if (prop->is_synthetic()) {
|
| +// __ ldr(r1, CodeGenerator::GlobalObject());
|
| +// } else {
|
| +// __ ldr(r1, MemOperand(sp, kPointerSize));
|
| +// }
|
| +// // Overwrite (object, key) with (function, receiver).
|
| +// __ str(r0, MemOperand(sp, kPointerSize));
|
| +// __ str(r1, MemOperand(sp));
|
| +// EmitCallWithStub(expr);
|
| +// }
|
| +// } else {
|
| +// // Call to some other expression. If the expression is an anonymous
|
| +// // function literal not called in a loop, mark it as one that should
|
| +// // also use the fast code generator.
|
| +// FunctionLiteral* lit = fun->AsFunctionLiteral();
|
| +// if (lit != NULL &&
|
| +// lit->name()->Equals(Heap::empty_string()) &&
|
| +// loop_depth() == 0) {
|
| +// lit->set_try_fast_codegen(true);
|
| +// }
|
| +// Visit(fun);
|
| +// // Load global receiver object.
|
| +// __ ldr(r1, CodeGenerator::GlobalObject());
|
| +// __ ldr(r1, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset));
|
| +// __ push(r1);
|
| +// // Emit function call.
|
| +// EmitCallWithStub(expr);
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitCallNew(CallNew* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ CallNew");
|
| +// // According to ECMA-262, section 11.2.2, page 44, the function
|
| +// // expression in new calls must be evaluated before the
|
| +// // arguments.
|
| +// // Push function on the stack.
|
| +// Visit(expr->expression());
|
| +// ASSERT_EQ(Expression::kValue, expr->expression()->context());
|
| +//
|
| +// // Push global object (receiver).
|
| +// __ ldr(r0, CodeGenerator::GlobalObject());
|
| +// __ push(r0);
|
| +// // Push the arguments ("left-to-right") on the stack.
|
| +// ZoneList<Expression*>* args = expr->arguments();
|
| +// int arg_count = args->length();
|
| +// for (int i = 0; i < arg_count; i++) {
|
| +// Visit(args->at(i));
|
| +// ASSERT_EQ(Expression::kValue, args->at(i)->context());
|
| +// // If location is value, it is already on the stack,
|
| +// // so nothing to do here.
|
| +// }
|
| +//
|
| +// // Call the construct call builtin that handles allocation and
|
| +// // constructor invocation.
|
| +// SetSourcePosition(expr->position());
|
| +//
|
| +// // Load function, arg_count into r1 and r0.
|
| +// __ mov(r0, Operand(arg_count));
|
| +// // Function is in esp[arg_count + 1].
|
| +// __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize));
|
| +//
|
| +// Handle<Code> construct_builtin(Builtins::builtin(Builtins::JSConstructCall));
|
| +// __ Call(construct_builtin, RelocInfo::CONSTRUCT_CALL);
|
| +//
|
| +// // Replace function on TOS with result in r0, or pop it.
|
| +// DropAndMove(expr->context(), r0);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ CallRuntime");
|
| +// ZoneList<Expression*>* args = expr->arguments();
|
| +// Runtime::Function* function = expr->function();
|
| +//
|
| +// ASSERT(function != NULL);
|
| +//
|
| +// // Push the arguments ("left-to-right").
|
| +// int arg_count = args->length();
|
| +// for (int i = 0; i < arg_count; i++) {
|
| +// Visit(args->at(i));
|
| +// ASSERT_EQ(Expression::kValue, args->at(i)->context());
|
| +// }
|
| +//
|
| +// __ CallRuntime(function, arg_count);
|
| +// Move(expr->context(), r0);
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ UnaryOperation");
|
| +// switch (expr->op()) {
|
| +// case Token::VOID:
|
| +// Visit(expr->expression());
|
| +// ASSERT_EQ(Expression::kEffect, expr->expression()->context());
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// break;
|
| +// case Expression::kEffect:
|
| +// break;
|
| +// case Expression::kValue:
|
| +// __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
|
| +// __ push(ip);
|
| +// break;
|
| +// case Expression::kTestValue:
|
| +// // Value is false so it's needed.
|
| +// __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
|
| +// __ push(ip);
|
| +// case Expression::kTest: // Fall through.
|
| +// case Expression::kValueTest:
|
| +// __ jmp(false_label_);
|
| +// break;
|
| +// }
|
| +// break;
|
| +//
|
| +// case Token::NOT: {
|
| +// ASSERT_EQ(Expression::kTest, expr->expression()->context());
|
| +//
|
| +// Label push_true;
|
| +// Label push_false;
|
| +// Label done;
|
| +// Label* saved_true = true_label_;
|
| +// Label* saved_false = false_label_;
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// break;
|
| +//
|
| +// case Expression::kValue:
|
| +// true_label_ = &push_false;
|
| +// false_label_ = &push_true;
|
| +// Visit(expr->expression());
|
| +// __ bind(&push_true);
|
| +// __ LoadRoot(ip, Heap::kTrueValueRootIndex);
|
| +// __ push(ip);
|
| +// __ jmp(&done);
|
| +// __ bind(&push_false);
|
| +// __ LoadRoot(ip, Heap::kFalseValueRootIndex);
|
| +// __ push(ip);
|
| +// __ bind(&done);
|
| +// break;
|
| +//
|
| +// case Expression::kEffect:
|
| +// true_label_ = &done;
|
| +// false_label_ = &done;
|
| +// Visit(expr->expression());
|
| +// __ bind(&done);
|
| +// break;
|
| +//
|
| +// case Expression::kTest:
|
| +// true_label_ = saved_false;
|
| +// false_label_ = saved_true;
|
| +// Visit(expr->expression());
|
| +// break;
|
| +//
|
| +// case Expression::kValueTest:
|
| +// true_label_ = saved_false;
|
| +// false_label_ = &push_true;
|
| +// Visit(expr->expression());
|
| +// __ bind(&push_true);
|
| +// __ LoadRoot(ip, Heap::kTrueValueRootIndex);
|
| +// __ push(ip);
|
| +// __ jmp(saved_true);
|
| +// break;
|
| +//
|
| +// case Expression::kTestValue:
|
| +// true_label_ = &push_false;
|
| +// false_label_ = saved_true;
|
| +// Visit(expr->expression());
|
| +// __ bind(&push_false);
|
| +// __ LoadRoot(ip, Heap::kFalseValueRootIndex);
|
| +// __ push(ip);
|
| +// __ jmp(saved_false);
|
| +// break;
|
| +// }
|
| +// true_label_ = saved_true;
|
| +// false_label_ = saved_false;
|
| +// break;
|
| +// }
|
| +//
|
| +// default:
|
| +// UNREACHABLE();
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitCountOperation(CountOperation* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ CountOperation");
|
| +// VariableProxy* proxy = expr->expression()->AsVariableProxy();
|
| +// ASSERT(proxy->AsVariable() != NULL);
|
| +// ASSERT(proxy->AsVariable()->is_global());
|
| +//
|
| +// Visit(proxy);
|
| +// __ InvokeBuiltin(Builtins::TO_NUMBER, CALL_JS);
|
| +//
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kValue: // Fall through
|
| +// case Expression::kTest: // Fall through
|
| +// case Expression::kTestValue: // Fall through
|
| +// case Expression::kValueTest:
|
| +// // Duplicate the result on the stack.
|
| +// __ push(r0);
|
| +// break;
|
| +// case Expression::kEffect:
|
| +// // Do not save result.
|
| +// break;
|
| +// }
|
| +// // Call runtime for +1/-1.
|
| +// __ push(r0);
|
| +// __ mov(ip, Operand(Smi::FromInt(1)));
|
| +// __ push(ip);
|
| +// if (expr->op() == Token::INC) {
|
| +// __ CallRuntime(Runtime::kNumberAdd, 2);
|
| +// } else {
|
| +// __ CallRuntime(Runtime::kNumberSub, 2);
|
| +// }
|
| +// // Call Store IC.
|
| +// __ mov(r2, Operand(proxy->AsVariable()->name()));
|
| +// __ ldr(ip, CodeGenerator::GlobalObject());
|
| +// __ push(ip);
|
| +// Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
|
| +// __ Call(ic, RelocInfo::CODE_TARGET);
|
| +// // Restore up stack after store IC.
|
| +// __ add(sp, sp, Operand(kPointerSize));
|
| +//
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// case Expression::kEffect: // Fall through
|
| +// case Expression::kValue:
|
| +// // Do nothing. Result in either on the stack for value context
|
| +// // or discarded for effect context.
|
| +// break;
|
| +// case Expression::kTest:
|
| +// __ pop(r0);
|
| +// TestAndBranch(r0, true_label_, false_label_);
|
| +// break;
|
| +// case Expression::kValueTest: {
|
| +// Label discard;
|
| +// __ ldr(r0, MemOperand(sp));
|
| +// TestAndBranch(r0, true_label_, &discard);
|
| +// __ bind(&discard);
|
| +// __ add(sp, sp, Operand(kPointerSize));
|
| +// __ b(false_label_);
|
| +// break;
|
| +// }
|
| +// case Expression::kTestValue: {
|
| +// Label discard;
|
| +// __ ldr(r0, MemOperand(sp));
|
| +// TestAndBranch(r0, &discard, false_label_);
|
| +// __ bind(&discard);
|
| +// __ add(sp, sp, Operand(kPointerSize));
|
| +// __ b(true_label_);
|
| +// break;
|
| +// }
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitBinaryOperation(BinaryOperation* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ BinaryOperation");
|
| +// switch (expr->op()) {
|
| +// case Token::COMMA:
|
| +// ASSERT_EQ(Expression::kEffect, expr->left()->context());
|
| +// ASSERT_EQ(expr->context(), expr->right()->context());
|
| +// Visit(expr->left());
|
| +// Visit(expr->right());
|
| +// break;
|
| +//
|
| +// case Token::OR:
|
| +// case Token::AND:
|
| +// EmitLogicalOperation(expr);
|
| +// break;
|
| +//
|
| +// case Token::ADD:
|
| +// case Token::SUB:
|
| +// case Token::DIV:
|
| +// case Token::MOD:
|
| +// case Token::MUL:
|
| +// case Token::BIT_OR:
|
| +// case Token::BIT_AND:
|
| +// case Token::BIT_XOR:
|
| +// case Token::SHL:
|
| +// case Token::SHR:
|
| +// case Token::SAR: {
|
| +// ASSERT_EQ(Expression::kValue, expr->left()->context());
|
| +// ASSERT_EQ(Expression::kValue, expr->right()->context());
|
| +//
|
| +// Visit(expr->left());
|
| +// Visit(expr->right());
|
| +// __ pop(r0);
|
| +// __ pop(r1);
|
| +// GenericBinaryOpStub stub(expr->op(),
|
| +// NO_OVERWRITE);
|
| +// __ CallStub(&stub);
|
| +// Move(expr->context(), r0);
|
| +//
|
| +// break;
|
| +// }
|
| +// default:
|
| +// UNREACHABLE();
|
| +// }
|
| +}
|
| +
|
| +
|
| +void FastCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
|
| + UNIMPLEMENTED();
|
| +// Comment cmnt(masm_, "[ CompareOperation");
|
| +// ASSERT_EQ(Expression::kValue, expr->left()->context());
|
| +// ASSERT_EQ(Expression::kValue, expr->right()->context());
|
| +// Visit(expr->left());
|
| +// Visit(expr->right());
|
| +//
|
| +// // Convert current context to test context: Pre-test code.
|
| +// Label push_true;
|
| +// Label push_false;
|
| +// Label done;
|
| +// Label* saved_true = true_label_;
|
| +// Label* saved_false = false_label_;
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// break;
|
| +//
|
| +// case Expression::kValue:
|
| +// true_label_ = &push_true;
|
| +// false_label_ = &push_false;
|
| +// break;
|
| +//
|
| +// case Expression::kEffect:
|
| +// true_label_ = &done;
|
| +// false_label_ = &done;
|
| +// break;
|
| +//
|
| +// case Expression::kTest:
|
| +// break;
|
| +//
|
| +// case Expression::kValueTest:
|
| +// true_label_ = &push_true;
|
| +// break;
|
| +//
|
| +// case Expression::kTestValue:
|
| +// false_label_ = &push_false;
|
| +// break;
|
| +// }
|
| +// // Convert current context to test context: End pre-test code.
|
| +//
|
| +// switch (expr->op()) {
|
| +// case Token::IN: {
|
| +// __ InvokeBuiltin(Builtins::IN, CALL_JS);
|
| +// __ LoadRoot(ip, Heap::kTrueValueRootIndex);
|
| +// __ cmp(r0, ip);
|
| +// __ b(eq, true_label_);
|
| +// __ jmp(false_label_);
|
| +// break;
|
| +// }
|
| +//
|
| +// case Token::INSTANCEOF: {
|
| +// InstanceofStub stub;
|
| +// __ CallStub(&stub);
|
| +// __ tst(r0, r0);
|
| +// __ b(eq, true_label_); // The stub returns 0 for true.
|
| +// __ jmp(false_label_);
|
| +// break;
|
| +// }
|
| +//
|
| +// default: {
|
| +// Condition cc = eq;
|
| +// bool strict = false;
|
| +// switch (expr->op()) {
|
| +// case Token::EQ_STRICT:
|
| +// strict = true;
|
| +// // Fall through
|
| +// case Token::EQ:
|
| +// cc = eq;
|
| +// __ pop(r0);
|
| +// __ pop(r1);
|
| +// break;
|
| +// case Token::LT:
|
| +// cc = lt;
|
| +// __ pop(r0);
|
| +// __ pop(r1);
|
| +// break;
|
| +// case Token::GT:
|
| +// // Reverse left and right sizes to obtain ECMA-262 conversion order.
|
| +// cc = lt;
|
| +// __ pop(r1);
|
| +// __ pop(r0);
|
| +// break;
|
| +// case Token::LTE:
|
| +// // Reverse left and right sizes to obtain ECMA-262 conversion order.
|
| +// cc = ge;
|
| +// __ pop(r1);
|
| +// __ pop(r0);
|
| +// break;
|
| +// case Token::GTE:
|
| +// cc = ge;
|
| +// __ pop(r0);
|
| +// __ pop(r1);
|
| +// break;
|
| +// case Token::IN:
|
| +// case Token::INSTANCEOF:
|
| +// default:
|
| +// UNREACHABLE();
|
| +// }
|
| +//
|
| +// // The comparison stub expects the smi vs. smi case to be handled
|
| +// // before it is called.
|
| +// Label slow_case;
|
| +// __ orr(r2, r0, Operand(r1));
|
| +// __ tst(r2, Operand(kSmiTagMask));
|
| +// __ b(ne, &slow_case);
|
| +// __ cmp(r1, r0);
|
| +// __ b(cc, true_label_);
|
| +// __ jmp(false_label_);
|
| +//
|
| +// __ bind(&slow_case);
|
| +// CompareStub stub(cc, strict);
|
| +// __ CallStub(&stub);
|
| +// __ tst(r0, r0);
|
| +// __ b(cc, true_label_);
|
| +// __ jmp(false_label_);
|
| +// }
|
| +// }
|
| +//
|
| +// // Convert current context to test context: Post-test code.
|
| +// switch (expr->context()) {
|
| +// case Expression::kUninitialized:
|
| +// UNREACHABLE();
|
| +// break;
|
| +//
|
| +// case Expression::kValue:
|
| +// __ bind(&push_true);
|
| +// __ LoadRoot(ip, Heap::kTrueValueRootIndex);
|
| +// __ push(ip);
|
| +// __ jmp(&done);
|
| +// __ bind(&push_false);
|
| +// __ LoadRoot(ip, Heap::kFalseValueRootIndex);
|
| +// __ push(ip);
|
| +// __ bind(&done);
|
| +// break;
|
| +//
|
| +// case Expression::kEffect:
|
| +// __ bind(&done);
|
| +// break;
|
| +//
|
| +// case Expression::kTest:
|
| +// break;
|
| +//
|
| +// case Expression::kValueTest:
|
| +// __ bind(&push_true);
|
| +// __ LoadRoot(ip, Heap::kTrueValueRootIndex);
|
| +// __ push(ip);
|
| +// __ jmp(saved_true);
|
| +// break;
|
| +//
|
| +// case Expression::kTestValue:
|
| +// __ bind(&push_false);
|
| +// __ LoadRoot(ip, Heap::kFalseValueRootIndex);
|
| +// __ push(ip);
|
| +// __ jmp(saved_false);
|
| +// break;
|
| +// }
|
| +// true_label_ = saved_true;
|
| +// false_label_ = saved_false;
|
| +// // Convert current context to test context: End post-test code.
|
| +}
|
| +
|
| +
|
| +#undef __
|
| +
|
| +
|
| +} } // namespace v8::internal
|
|
|