add Runtime.setTempRet0 method for symmetry

Author: fadams

emscripten.py

@@ -651,6 +651,7 @@ def math_fix(g):
 Runtime.stackAlloc = asm['stackAlloc'];
 Runtime.stackSave = asm['stackSave'];
 Runtime.stackRestore = asm['stackRestore'];
+Runtime.setTempRet0 = asm['setTempRet0'];
 Runtime.getTempRet0 = asm['getTempRet0'];
 ''')
 
@@ -1232,6 +1233,7 @@ def math_fix(g):
 Runtime.stackAlloc = asm['stackAlloc'];
 Runtime.stackSave = asm['stackSave'];
 Runtime.stackRestore = asm['stackRestore'];
+Runtime.setTempRet0 = asm['setTempRet0'];
 Runtime.getTempRet0 = asm['getTempRet0'];
 ''')
 

src/runtime.js

@@ -99,6 +99,9 @@ var Runtime = {
   // When a 64 bit long is returned from a compiled function the least significant
   // 32 bit word is passed in the return value, but the most significant 32 bit
   // word is placed in tempRet0. This provides an accessor for that value.
+  setTempRet0: function(value) {
+    tempRet0 = value;
+  },
   getTempRet0: function() {
     return tempRet0;
   },