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

Issue 2950773002: [turbofan] Introduce new JSCallWithArrayLike operator. (Closed)
Patch Set: REBASE Created 3 years, 6 months ago
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Index: src/builtins/arm/builtins-arm.cc
diff --git a/src/builtins/arm/builtins-arm.cc b/src/builtins/arm/builtins-arm.cc
index 37831d71e56803cc524f4c11b3c46e5a1d4343bd..1433c9c7038e77f5bce461f41df6b209d03b0fe4 100644
--- a/src/builtins/arm/builtins-arm.cc
+++ b/src/builtins/arm/builtins-arm.cc
@@ -1930,13 +1930,9 @@ void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) {
// -- sp[0] : thisArg
// -----------------------------------
- // 2. Make sure the receiver is actually callable.
- Label receiver_not_callable;
- __ JumpIfSmi(r1, &receiver_not_callable);
- __ ldr(r4, FieldMemOperand(r1, HeapObject::kMapOffset));
- __ ldrb(r4, FieldMemOperand(r4, Map::kBitFieldOffset));
- __ tst(r4, Operand(1 << Map::kIsCallable));
- __ b(eq, &receiver_not_callable);
+ // 2. We don't need to check explicitly for callable receiver here,
+ // since that's the first thing the Call/CallWithArrayLike builtins
+ // will do.
// 3. Tail call with no arguments if argArray is null or undefined.
Label no_arguments;
@@ -1954,13 +1950,6 @@ void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) {
__ mov(r0, Operand(0));
__ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
}
-
- // 4c. The receiver is not callable, throw an appropriate TypeError.
- __ bind(&receiver_not_callable);
- {
- __ str(r1, MemOperand(sp, 0));
- __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
- }
}
// static
@@ -2038,24 +2027,13 @@ void Builtins::Generate_ReflectApply(MacroAssembler* masm) {
// -- sp[0] : thisArgument
// -----------------------------------
- // 2. Make sure the target is actually callable.
- Label target_not_callable;
- __ JumpIfSmi(r1, &target_not_callable);
- __ ldr(r4, FieldMemOperand(r1, HeapObject::kMapOffset));
- __ ldrb(r4, FieldMemOperand(r4, Map::kBitFieldOffset));
- __ tst(r4, Operand(1 << Map::kIsCallable));
- __ b(eq, &target_not_callable);
+ // 2. We don't need to check explicitly for callable target here,
+ // since that's the first thing the Call/CallWithArrayLike builtins
+ // will do.
- // 3a. Apply the target to the given argumentsList.
+ // 3. Apply the target to the given argumentsList.
__ Jump(masm->isolate()->builtins()->CallWithArrayLike(),
RelocInfo::CODE_TARGET);
-
- // 3b. The target is not callable, throw an appropriate TypeError.
- __ bind(&target_not_callable);
- {
- __ str(r1, MemOperand(sp, 0));
- __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
- }
}
void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
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