opt: this recipe can also be applied for .core.GEF

Author: boriel

src/arch/z80/peephole/opts/000_o1_lei16_bool.opt

@@ -1,4 +1,4 @@
-;; core.LEI16 returns the bool result of Byte(a) <= Byte(b)
+;; core.LEI16 and .core.GEF return the bool result of Byte(a) <= Byte(b)
 ;; and is already normalized. The sequence
 ;;   sub 1
 ;;   sbc a, a
@@ -9,12 +9,14 @@ OLEVEL: 1
 OFLAG: 14
 
 REPLACE {{
-  call .core.__LEI16
+  $1
   sub 1
   sbc a, a
   inc a
 }}
 
 WITH {{
-  call .core.__LEI16
+  $1
 }}
+
+IF {{ $1 == "call .core.GEF" || $1 == "call .core.LEI16"}}