1 files changed, 14 insertions, 0 deletions
diff --git a/src/parseTools.js b/src/parseTools.js
index 0eb0bac9..41caeaad 100644
--- a/src/parseTools.js
+++ b/src/parseTools.js
@@ -140,6 +140,11 @@ function getBits(type) {
   return parseInt(left);
 }
 
+function isIllegalType(type) {
+  var bits = getBits(type);
+  return bits > 0 && (bits >= 64 || !isPowerOfTwo(bits));
+}
+
 function isVoidType(type) {
   return type == 'void';
 }
@@ -1465,6 +1470,15 @@ function finalizeLLVMParameter(param, noIndexizeFunctions) {
   return ret;
 }
 
+function makeComparison(a, b, type) {
+  if (!isIllegalType(type)) {
+    return a + ' == ' + b;
+  } else {
+    assert(type == 'i64');
+    return a + '$0 == ' + b + '$0 && ' + a + '$1 == ' + b + '$1';
+  }
+}
+
 function makeSignOp(value, type, op, force, ignore) {
   if (USE_TYPED_ARRAYS == 2 && type == 'i64') {
     return value; // these are always assumed to be two 32-bit unsigneds.