Decouple SLOAD type and optional conversion.

lib/dump.lua

@@ -213,11 +213,17 @@ local colorize, irtype
 
 -- Lookup table to convert some literals into names.
 local litname = {
-  ["SLOAD "] = { [0] = "", "I", "R", "RI", "P", "PI", "PR", "PRI",
-		 "T", "IT", "RT", "RIT", "PT", "PIT", "PRT", "PRIT",
-		 "F", "IF", "RF", "RIF", "PF", "PIF", "PRF", "PRIF",
-		 "TF", "ITF", "RTF", "RITF", "PTF", "PITF", "PRTF", "PRITF",
-	       },
+  ["SLOAD "] = setmetatable({}, { __index = function(t, mode)
+    local s = ""
+    if band(mode, 1) ~= 0 then s = s.."P" end
+    if band(mode, 2) ~= 0 then s = s.."F" end
+    if band(mode, 4) ~= 0 then s = s.."T" end
+    if band(mode, 8) ~= 0 then s = s.."C" end
+    if band(mode, 16) ~= 0 then s = s.."R" end
+    if band(mode, 32) ~= 0 then s = s.."I" end
+    t[mode] = s
+    return s
+  end}),
   ["XLOAD "] = { [0] = "", "R", "U", "RU", },
   ["TOINT "] = { [0] = "check", "index", "", },
   ["FLOAD "] = vmdef.irfield,