[WASM] Fast load string literals from data section

libraries/stdlib/wasm/builtins/kotlin/String.kt

@@ -130,15 +130,14 @@ public class String internal @WasmPrimitiveConstructor constructor(
 internal inline fun WasmCharArray.createString(): String =
     String(null, this.len(), this)
 
-internal fun stringLiteral(poolId: Int, startAddress: Int, length: Int, hashCode: Int): String {
+internal fun stringLiteral(poolId: Int, startAddress: Int, length: Int): String {
     val cached = stringPool[poolId]
     if (cached !== null) {
         return cached
     }
-    val chars = WasmCharArray(length)
-    unsafeRawMemoryToWasmCharArray(startAddress, 0, length, chars)
+
+    val chars = array_new_data0<WasmCharArray>(startAddress, length)
     val newString = String(null, length, chars)
-    newString._hashCode = hashCode
     stringPool[poolId] = newString
     return newString
 }

libraries/stdlib/wasm/internal/kotlin/wasm/internal/TypeInfo.kt

@@ -28,8 +28,8 @@ internal fun getTypeInfoTypeDataByPtr(typeInfoPtr: Int): TypeInfoData {
     val simpleNameLength = wasm_i32_load(typeInfoPtr + TYPE_INFO_TYPE_SIMPLE_NAME_LENGTH_OFFSET)
     val simpleNameId = wasm_i32_load(typeInfoPtr + TYPE_INFO_TYPE_SIMPLE_NAME_ID_OFFSET)
     val simpleNamePtr = wasm_i32_load(typeInfoPtr + TYPE_INFO_TYPE_SIMPLE_NAME_PRT_OFFSET)
-    val packageName = stringLiteral(fqNameId, fqNamePtr, fqNameLength, 0)
-    val simpleName = stringLiteral(simpleNameId, simpleNamePtr, simpleNameLength, 0)
+    val packageName = stringLiteral(fqNameId, fqNamePtr, fqNameLength)
+    val simpleName = stringLiteral(simpleNameId, simpleNamePtr, simpleNameLength)
     return TypeInfoData(typeInfoPtr, isInterface = false, packageName, simpleName)
 }
 

libraries/stdlib/wasm/internal/kotlin/wasm/internal/WasmInstructions.kt

@@ -28,6 +28,9 @@ internal fun <To> wasm_ref_test(a: Any?): Boolean =
 internal fun <T> wasm_array_copy(destination: T, destinationIndex: Int, source: T, sourceIndex: Int, length: Int): Unit =
     implementedAsIntrinsic
 
+internal fun <T> array_new_data0(address: Int, length: Int): WasmCharArray =
+    implementedAsIntrinsic
+
 @WasmOp(WasmOp.I32_EQ)
 public external fun wasm_i32_eq(a: Int, b: Int): Boolean