fix IR long comparisons (used in for loops for instance)

codeGenIntermediate/src/prog8/codegen/intermediate/IRCodeGen.kt

@@ -677,7 +677,7 @@ class IRCodeGen(
             when (loopvarDtIr) {
                 IRDataType.BYTE -> rangeEndExclusiveUntyped and 255
                 IRDataType.WORD -> rangeEndExclusiveUntyped and 65535
-                else -> rangeEndExclusiveUntyped and 0x7fffffff
+                else -> rangeEndExclusiveUntyped
             }
         val result = mutableListOf<IRCodeChunkBase>()
         val chunk = IRCodeChunk(null, null)

examples/test.p8

@@ -2,6 +2,11 @@
 %zeropage basicsafe
 %option no_sysinit
 
+; TODO fix:
+; long lv
+; lv--
+
+
 main {
     ; Test the routine
     sub start() {
@@ -10,11 +15,25 @@ main {
         for lv in 4000 to 94000-1 {
             counter++
         }
+        for lv in 70000-1 downto 0 {
+            counter++
+        }
         for lv in 94000-1 downto 4000 {
             counter++
         }
+        for lv in 4000 to 94000-1 step 10 {
+            counter++
+        }
+        for lv in 70000-1 downto 0 step -10 {
+            counter++
+        }
+        for lv in 94000-1 downto 4000 step -10 {
+            counter++
+        }
         txt.print_l(counter)
         txt.nl()
+        txt.print_l(275000)
+        txt.nl()
     }
 }