add getAlignKey and remove getAlign

AssemblyScript · Aug 28, 2019 · f1df5d8 · f1df5d8 · jtenner · Aug 28, 2019
1 parent e51181d
commit f1df5d8
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/lib/loader/index.js b/lib/loader/index.js
@@ -26,6 +26,7 @@ const KEY_SIGNED = 1 << 19;
 const KEY_FLOAT = 1 << 20;
 const KEY_NULLABLE = 1 << 21;
 const KEY_MANAGED = 1 << 22;
+const KEY_ALIGN_OFFSET = 14;
 const VAL_ALIGN_OFFSET = 5;
 
 // Array(BufferView) layout
@@ -129,14 +130,14 @@ function postInstantiate(baseModule, instance) {
     return U32[(rttiBase + 4 >>> 2) + id * 2 + 1];
   }
 
-  /** Gets the runtime alignment of a collection's values only. */
+  /** Gets the runtime alignment of a collection's values. */
   function getAlignValue(info) {
     return 31 - Math.clz32((info >>> VAL_ALIGN_OFFSET) & 31); // -1 if none
   }
 
-  /** Gets the runtime alignment of a collection's values or keys. */
-  function getAlign(which, info) {
-    return 31 - Math.clz32((info / which) & 31); // -1 if none
+  /** Gets the runtime alignment of a collection's keys. */
+  function getAlignKey(info) {
+    return 31 - MAth.clz32((info >>> KEY_ALIGN_OFFSET) & 31); // -1 if none
   }
 
   function getTypedArray(Type, shift, arr) {