* src/mcs51/peeph.def: Frieder: removed 237, obsolete by 236g and 105; added 237 a/b

[fw/sdcc] / src / mcs51 / peeph.def

diff --git a/src/mcs51/peeph.def b/src/mcs51/peeph.def
index 51def27f4bdd93acf7214b7055d3a3299e4c3cc0..2a35344d1605884f20673db23f4d6669de613ea2 100644 (file)
--- a/src/mcs51/peeph.def
+++ b/src/mcs51/peeph.def
@@ -2070,10 +2070,35 @@ replace {
 }
 
 replace {
-        mov     r%1,a
-        mov     a,ar%1
+        sjmp    %1
+%2:
+        mov     %3,%4
+%1:
+        ret
 } by {
-        mov     r%1,a
-        ; Peephole 237   removed redundant move
+        ; Peephole 237a  removed sjmp to ret
+        ret
+%2:
+        mov     %3,%4
+%1:
+        ret
 }
 
+replace {
+        sjmp    %1
+%2:
+        mov     %3,%4
+        mov     dpl,%5
+        mov     dph,%6
+%1:
+        ret
+} by {
+        ; Peephole 237b  removed sjmp to ret
+        ret
+%2:
+        mov     %3,%4
+        mov     dpl,%5
+        mov     dph,%6
+%1:
+        ret
+}