Use bitwise and rather than mod, for performance

d0629d4e · Michael Droettboom · 2e23079a · d0629d4e
Commit d0629d4e authored Sep 17, 2018 by Michael Droettboom
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src/hiwire.c src/hiwire.c +2 -2

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--- a/src/hiwire.c
+++ b/src/hiwire.c
@@ -7,11 +7,11 @@ EM_JS(void, hiwire_setup, (), {
  {
    var objects = hiwire.objects;
    while (hiwire.counter in objects) {
-      hiwire.counter = (hiwire.counter + 1) % 0x8fffffff;
+      hiwire.counter = (hiwire.counter + 1) & 0x8fffffff;
    }
    var idval = hiwire.counter;
    objects[idval] = jsval;
-    hiwire.counter = (hiwire.counter + 1) % 0x8fffffff;
+    hiwire.counter = (hiwire.counter + 1) & 0x8fffffff;
    return idval;
  };