Function apply(): make all architectures use an IC for performance.

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1116943002

Cr-Commit-Position: refs/heads/master@{#28264}

src/arm/builtins-arm.cc

@@ -1390,33 +1390,36 @@ static void Generate_PushAppliedArguments(MacroAssembler* masm,
                                           const int indexOffset,
                                           const int limitOffset) {
   Label entry, loop;
-  __ ldr(r0, MemOperand(fp, indexOffset));
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register key = LoadDescriptor::NameRegister();
+
+  __ ldr(key, MemOperand(fp, indexOffset));
   __ b(&entry);
 
-  // Load the current argument from the arguments array and push it to the
+  // Load the current argument from the arguments array.
-  // stack.
-  // r0: current argument index
   __ bind(&loop);
-  __ ldr(r1, MemOperand(fp, argumentsOffset));
+  __ ldr(receiver, MemOperand(fp, argumentsOffset));
-  __ Push(r1, r0);
 
-  // Call the runtime to access the property in the arguments array.
+  // Use inline caching to speed up access to arguments.
-  __ CallRuntime(Runtime::kGetProperty, 2);
+  Handle<Code> ic = masm->isolate()->builtins()->KeyedLoadIC_Megamorphic();
+  __ Call(ic, RelocInfo::CODE_TARGET);
+
+  // Push the nth argument.
   __ push(r0);
 
-  // Use inline caching to access the arguments.
+  __ ldr(key, MemOperand(fp, indexOffset));
-  __ ldr(r0, MemOperand(fp, indexOffset));
+  __ add(key, key, Operand(1 << kSmiTagSize));
-  __ add(r0, r0, Operand(1 << kSmiTagSize));
+  __ str(key, MemOperand(fp, indexOffset));
-  __ str(r0, MemOperand(fp, indexOffset));
 
   // Test if the copy loop has finished copying all the elements from the
   // arguments object.
   __ bind(&entry);
   __ ldr(r1, MemOperand(fp, limitOffset));
-  __ cmp(r0, r1);
+  __ cmp(key, r1);
   __ b(ne, &loop);
 
   // On exit, the pushed arguments count is in r0, untagged
+  __ mov(r0, key);
   __ SmiUntag(r0);
 }
 

src/arm64/builtins-arm64.cc

@@ -1386,35 +1386,37 @@ static void Generate_PushAppliedArguments(MacroAssembler* masm,
                                           const int indexOffset,
                                           const int limitOffset) {
   Label entry, loop;
-  Register current = x0;
+  Register receiver = LoadDescriptor::ReceiverRegister();
-  __ Ldr(current, MemOperand(fp, indexOffset));
+  Register key = LoadDescriptor::NameRegister();
+
+  __ Ldr(key, MemOperand(fp, indexOffset));
   __ B(&entry);
 
+  // Load the current argument from the arguments array.
   __ Bind(&loop);
-  // Load the current argument from the arguments array and push it.
+  __ Ldr(receiver, MemOperand(fp, argumentsOffset));
-  // TODO(all): Couldn't we optimize this for JS arrays?
 
-  __ Ldr(x1, MemOperand(fp, argumentsOffset));
+  // Use inline caching to speed up access to arguments.
-  __ Push(x1, current);
+  Handle<Code> ic = masm->isolate()->builtins()->KeyedLoadIC_Megamorphic();
+  __ Call(ic, RelocInfo::CODE_TARGET);
 
-  // Call the runtime to access the property in the arguments array.
+  // Push the nth argument.
-  __ CallRuntime(Runtime::kGetProperty, 2);
   __ Push(x0);
 
-  // Use inline caching to access the arguments.
+  __ Ldr(key, MemOperand(fp, indexOffset));
-  __ Ldr(current, MemOperand(fp, indexOffset));
+  __ Add(key, key, Smi::FromInt(1));
-  __ Add(current, current, Smi::FromInt(1));
+  __ Str(key, MemOperand(fp, indexOffset));
-  __ Str(current, MemOperand(fp, indexOffset));
 
   // Test if the copy loop has finished copying all the elements from the
   // arguments object.
   __ Bind(&entry);
   __ Ldr(x1, MemOperand(fp, limitOffset));
-  __ Cmp(current, x1);
+  __ Cmp(key, x1);
   __ B(ne, &loop);
 
   // On exit, the pushed arguments count is in x0, untagged
-  __ SmiUntag(current);
+  __ Mov(x0, key);
+  __ SmiUntag(x0);
 }
 
 

src/mips/builtins-mips.cc

@@ -1404,32 +1404,35 @@ static void Generate_PushAppliedArguments(MacroAssembler* masm,
                                           const int indexOffset,
                                           const int limitOffset) {
   Label entry, loop;
-  __ lw(a0, MemOperand(fp, indexOffset));
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register key = LoadDescriptor::NameRegister();
+
+  __ lw(key, MemOperand(fp, indexOffset));
   __ Branch(&entry);
 
-  // Load the current argument from the arguments array and push it to the
+  // Load the current argument from the arguments array.
-  // stack.
-  // a0: current argument index
   __ bind(&loop);
-  __ lw(a1, MemOperand(fp, argumentsOffset));
+  __ lw(receiver, MemOperand(fp, argumentsOffset));
-  __ Push(a1, a0);
+
+  // Use inline caching to speed up access to arguments.
+  Handle<Code> ic = masm->isolate()->builtins()->KeyedLoadIC_Megamorphic();
+  __ Call(ic, RelocInfo::CODE_TARGET);
 
-  // Call the runtime to access the property in the arguments array.
-  __ CallRuntime(Runtime::kGetProperty, 2);
   __ push(v0);
 
   // Use inline caching to access the arguments.
-  __ lw(a0, MemOperand(fp, indexOffset));
+  __ lw(key, MemOperand(fp, indexOffset));
-  __ Addu(a0, a0, Operand(1 << kSmiTagSize));
+  __ Addu(key, key, Operand(1 << kSmiTagSize));
-  __ sw(a0, MemOperand(fp, indexOffset));
+  __ sw(key, MemOperand(fp, indexOffset));
 
   // Test if the copy loop has finished copying all the elements from the
   // arguments object.
   __ bind(&entry);
   __ lw(a1, MemOperand(fp, limitOffset));
-  __ Branch(&loop, ne, a0, Operand(a1));
+  __ Branch(&loop, ne, key, Operand(a1));
 
   // On exit, the pushed arguments count is in a0, untagged
+  __ mov(a0, key);
   __ SmiUntag(a0);
 }
 

src/mips64/builtins-mips64.cc

@@ -1411,32 +1411,35 @@ static void Generate_PushAppliedArguments(MacroAssembler* masm,
                                           const int indexOffset,
                                           const int limitOffset) {
   Label entry, loop;
-  __ ld(a0, MemOperand(fp, indexOffset));
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register key = LoadDescriptor::NameRegister();
+
+  __ ld(key, MemOperand(fp, indexOffset));
   __ Branch(&entry);
 
-  // Load the current argument from the arguments array and push it to the
+  // Load the current argument from the arguments array.
-  // stack.
-  // a0: current argument index
   __ bind(&loop);
-  __ ld(a1, MemOperand(fp, argumentsOffset));
+  __ ld(receiver, MemOperand(fp, argumentsOffset));
-  __ Push(a1, a0);
+
+  // Use inline caching to speed up access to arguments.
+  Handle<Code> ic = masm->isolate()->builtins()->KeyedLoadIC_Megamorphic();
+  __ Call(ic, RelocInfo::CODE_TARGET);
 
-  // Call the runtime to access the property in the arguments array.
-  __ CallRuntime(Runtime::kGetProperty, 2);
   __ push(v0);
 
   // Use inline caching to access the arguments.
-  __ ld(a0, MemOperand(fp, indexOffset));
+  __ ld(key, MemOperand(fp, indexOffset));
-  __ Daddu(a0, a0, Operand(Smi::FromInt(1)));
+  __ Daddu(key, key, Operand(Smi::FromInt(1)));
-  __ sd(a0, MemOperand(fp, indexOffset));
+  __ sd(key, MemOperand(fp, indexOffset));
 
   // Test if the copy loop has finished copying all the elements from the
   // arguments object.
   __ bind(&entry);
   __ ld(a1, MemOperand(fp, limitOffset));
-  __ Branch(&loop, ne, a0, Operand(a1));
+  __ Branch(&loop, ne, key, Operand(a1));
 
   // On exit, the pushed arguments count is in a0, untagged
+  __ mov(a0, key);
   __ SmiUntag(a0);
 }