wasm2asm i32 arithmetic support (#1120)

* Rotations, popcnt, ctz, etc

1 files changed, 38 insertions, 0 deletions

diff --git a/test/empty_table.2asm.js b/test/empty_table.2asm.js
index 30a200587..70e17ea9d 100644
--- a/test/empty_table.2asm.js
+++ b/test/empty_table.2asm.js
@@ -12,6 +12,44 @@ function asmFunc(global, env, buffer) {
  var Math_fround = global.Math.fround;
  var Math_abs = global.Math.abs;
  var Math_clz32 = global.Math.clz32;
+ function __wasm_ctz_i32(x) {
+  x = x | 0;
+  var wasm2asm_i32$0 = 0;
+  if ((x | 0) == (0 | 0)) wasm2asm_i32$0 = 32; else wasm2asm_i32$0 = 31 - Math_clz32(x ^ (x - 1 | 0) | 0) | 0;
+  return wasm2asm_i32$0 | 0;
+ }
+ 
+ function __wasm_popcnt_i32(x) {
+  x = x | 0;
+  var count = 0, wasm2asm_i32$0 = 0;
+  count = 0;
+  b : {
+   l : do {
+    if ((x | 0) == (0 | 0)) {
+     wasm2asm_i32$0 = count;
+     break b;
+    }
+    x = x & (x - 1 | 0) | 0;
+    count = count + 1 | 0;
+    continue l;
+    break l;
+   } while (1);
+  };
+  return wasm2asm_i32$0 | 0;
+ }
+ 
+ function __wasm_rotl_i32(x, k) {
+  x = x | 0;
+  k = k | 0;
+  return ((4294967295 >>> (k & 31 | 0) | 0) & x | 0) << (k & 31 | 0) | 0 | (((4294967295 << (32 - (k & 31 | 0) | 0) | 0) & x | 0) >>> (32 - (k & 31 | 0) | 0) | 0) | 0 | 0;
+ }
+ 
+ function __wasm_rotr_i32(x, k) {
+  x = x | 0;
+  k = k | 0;
+  return ((4294967295 << (k & 31 | 0) | 0) & x | 0) >>> (k & 31 | 0) | 0 | (((4294967295 >>> (32 - (k & 31 | 0) | 0) | 0) & x | 0) << (32 - (k & 31 | 0) | 0) | 0) | 0 | 0;
+ }
+ 
  return {
   
  };