faster aot

qbe.cm

@@ -11,7 +11,7 @@ def js_null = 7
 def js_false = 3
 def js_true = 35
 def js_exception = 15
-def js_empty_text = 27
+def js_empty_text = 11
 
 // Shared closure vars for functions with >4 params
 var _qop = null
@@ -67,13 +67,13 @@ var is_ptr = function(p, v) {
 
 var is_imm_text = function(p, v) {
   return `  %${p}.t =l and ${v}, 31
-  %${p} =w ceql %${p}.t, 27
+  %${p} =w ceql %${p}.t, 11
 `
 }
 
 var is_text = function(p, v) {
   return `  %${p}.imm =l and ${v}, 31
-  %${p}.is_imm =w ceql %${p}.imm, 27
+  %${p}.is_imm =w ceql %${p}.imm, 11
   jnz %${p}.is_imm, @${p}.yes, @${p}.chk_ptr
 @${p}.chk_ptr
   %${p}.ptag =l and ${v}, 7