1 files changed, 12 insertions, 1 deletions
diff --git a/src/library.js b/src/library.js
index 8220f780..7c9cc22c 100644
--- a/src/library.js
+++ b/src/library.js
@@ -3670,6 +3670,17 @@ LibraryManager.library = {
 
   abs: 'Math.abs',
   labs: 'Math.abs',
+#if USE_TYPED_ARRAYS == 2
+  llabs__deps: [function() { Types.preciseI64MathUsed = 1 }],
+  llabs: function(lo, hi) {
+    i64Math.abs(lo, hi);
+    {{{ makeStructuralReturn([makeGetTempDouble(0, 'i32'), makeGetTempDouble(1, 'i32')]) }}};
+  },
+#else
+  llabs: function(lo, hi) {
+    throw 'unsupported llabs';
+  },
+#endif
 
   exit__deps: ['_exit'],
   exit: function(status) {
@@ -4315,7 +4326,7 @@ LibraryManager.library = {
     ptr = ptr|0; value = value|0; num = num|0;
     var stop = 0, value4 = 0, stop4 = 0, unaligned = 0;
     stop = (ptr + num)|0;
-    if ((num|0) >= {{{ SEEK_OPTIMAL_ALIGN_MIN }}}) {
+    if ((num|0) >= {{{ Math.round(2.5*UNROLL_LOOP_MAX) }}}) {
       // This is unaligned, but quite large, so work hard to get to aligned settings
       value = value & 0xff;
       unaligned = ptr & 3;