notice simd signal from fastcomp

2 files changed, 4 insertions, 1 deletions

diff --git a/emscripten.py b/emscripten.py
index 42db0803..1a3bddd7 100755
--- a/emscripten.py
+++ b/emscripten.py
@@ -804,6 +804,9 @@ def emscript_fast(infile, settings, outfile, libraries=[], compiler_engine=None,
       map(lambda x: x[1:], metadata['implementedFunctions'])
     )
   ) + map(lambda x: x[1:], metadata['externs'])
+  if metadata['simd']:
+    settings['SIMD'] = 1
+    settings['ASM_JS'] = 2
 
   # Save settings to a file to work around v8 issue 1579
   settings_file = temp_files.get('.txt').name
diff --git a/src/jsifier.js b/src/jsifier.js
index 8de20c80..a503e90d 100644
--- a/src/jsifier.js
+++ b/src/jsifier.js
@@ -1871,7 +1871,7 @@ function JSify(data, functionsOnly) {
       print('// Warning: printing of i64 values may be slightly rounded! No deep i64 math used, so precise i64 code not included');
       print('var i64Math = null;');
     }
-    if (Types.usesSIMD) {
+    if (Types.usesSIMD || SIMD) {
       print(read('simd.js'));
     }