minor addition improvement

[fw/sdcc] / src / z80 / gen.c

diff --git a/src/z80/gen.c b/src/z80/gen.c
index 817acecc230fa68f6aa29b5f22d73c2c628e9863..82117185c2cbba51fcaa3651f5085e5a147214fb 100644 (file)
--- a/src/z80/gen.c
+++ b/src/z80/gen.c
@@ -3994,7 +3994,12 @@ genPlus (iCode * ic)
     {
       _moveA (aopGet (AOP (IC_LEFT (ic)), offset, FALSE));
       if (offset == 0)
-        emit2 ("add a,%s", aopGet (AOP (IC_RIGHT (ic)), offset, FALSE));
+      {
+        if(size == 0 && AOP_TYPE (IC_RIGHT (ic)) == AOP_LIT && ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit) == 1)
+         emit2 ("inc a");
+        else
+          emit2 ("add a,%s", aopGet (AOP (IC_RIGHT (ic)), offset, FALSE));
+      }
       else
         emit2 ("adc a,%s", aopGet (AOP (IC_RIGHT (ic)), offset, FALSE));
       aopPut (AOP (IC_RESULT (ic)), "a", offset++);