proper fix for simplifying f32-int bitcasts

1 files changed, 10 insertions, 3 deletions

diff --git a/emcc b/emcc
index 3c427677..490e6408 100755
--- a/emcc
+++ b/emcc
@@ -1967,16 +1967,23 @@ try:
     if len(js_optimizer_extra_info) == 0:
       js_optimizer_extra_info = None
     if len(js_optimizer_queue) > 0 and not(not shared.Settings.ASM_JS and len(js_optimizer_queue) == 1 and js_optimizer_queue[0] == 'last'):
-      if DEBUG != '2':
+
+      def add_opt_args(args):
         if shared.Settings.ASM_JS:
-          js_optimizer_queue = ['asm'] + js_optimizer_queue
+          args = ['asm'] + args
+          if shared.Settings.PRECISE_F32:
+            args = ['asmPreciseF32'] + args
+        return args
+
+      if DEBUG != '2':
+        js_optimizer_queue = add_opt_args(js_optimizer_queue)
         logging.debug('applying js optimization passes: %s', js_optimizer_queue)
         final = shared.Building.js_optimizer(final, js_optimizer_queue, jcache, debug_level >= 4, js_optimizer_extra_info)
         js_transform_tempfiles.append(final)
         if DEBUG: save_intermediate('js_opts')
       else:
         for name in js_optimizer_queue:
-          passes = [name]
+          passes = add_opt_args([name])
           if shared.Settings.ASM_JS:
             passes = ['asm'] + passes
           logging.debug('applying js optimization pass: %s', passes)