[builtins] Implement %TypedArray%.prototype.{some,every} in the CSA

src/code-stub-assembler.cc

 // Copyright 2016 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/code-stub-assembler.h"
 #include "src/code-factory.h"
 #include "src/frames-inl.h"
 #include "src/frames.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 1223 matching lines @@
       break;
     case FLOAT64_ELEMENTS:
       type = MachineType::Float64();
       break;
     default:
       UNREACHABLE();
   }
   return Load(type, data_pointer, offset);
 }
 
+Node* CodeStubAssembler::LoadFixedTypedArrayElementAsTagged(
+    Node* data_pointer, Node* index_node, ElementsKind elements_kind,
+    ParameterMode parameter_mode) {
+  Node* value = LoadFixedTypedArrayElement(data_pointer, index_node,
+                                           elements_kind, parameter_mode);
+  switch (elements_kind) {
+    case ElementsKind::INT8_ELEMENTS:
+    case ElementsKind::UINT8_CLAMPED_ELEMENTS:
+    case ElementsKind::UINT8_ELEMENTS:
+    case ElementsKind::INT16_ELEMENTS:
+    case ElementsKind::UINT16_ELEMENTS:
+      return SmiFromWord32(value);
+    case ElementsKind::INT32_ELEMENTS:
+      return ChangeInt32ToTagged(value);
+    case ElementsKind::UINT32_ELEMENTS:
+      return ChangeUint32ToTagged(value);
+    case ElementsKind::FLOAT32_ELEMENTS:
+      return AllocateHeapNumberWithValue(ChangeFloat32ToFloat64(value));
+    case ElementsKind::FLOAT64_ELEMENTS:
+      return AllocateHeapNumberWithValue(value);
+    default:
+      UNREACHABLE();
+      return nullptr;
+  }
+}
+
 Node* CodeStubAssembler::LoadAndUntagToWord32FixedArrayElement(
     Node* object, Node* index_node, int additional_offset,
     ParameterMode parameter_mode) {
   int32_t header_size =
       FixedArray::kHeaderSize + additional_offset - kHeapObjectTag;
 #if V8_TARGET_LITTLE_ENDIAN
   if (Is64()) {
     header_size += kPointerSize / 2;
   }
 #endif
@@ skipping 7138 matching lines @@
         formatted.c_str(), TENURED);
     CallRuntime(Runtime::kGlobalPrint, NoContextConstant(),
                 HeapConstant(string));
   }
   CallRuntime(Runtime::kDebugPrint, NoContextConstant(), tagged_value);
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8