* src/mcs51/gen.c (genPlusIncr, genMinusDec, genAddrOf): small

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

diff --git a/src/mcs51/peeph.def b/src/mcs51/peeph.def
index 8c8f01c848e389d5a35490a78c53607d36c10694..2dbda21629664330792b47a8c9629caa17dec22d 100644 (file)
--- a/src/mcs51/peeph.def
+++ b/src/mcs51/peeph.def
@@ -215,19 +215,19 @@ replace {
 %3:
        mov     dpl,%1
 %7:
-       mov     sp,bp
-       pop     bp
+       mov     sp,_bp
+       pop     _bp
 } by {
-       ;       Peephole 102    removed redundant mov
+       ;       Peephole 102    removed redundant mov to %1
        mov     dpl,%2
        ljmp    %3
 %4:
        mov     dpl,%5
 %3:
 %7:
-       mov     sp,bp
-       pop     bp
-} if notVolatile %1
+       mov     sp,_bp
+       pop     _bp
+} if notVolatile(%1), labelRefCount(%3 1)
 
 replace {
        mov     %1,%2
@@ -237,30 +237,31 @@ replace {
 %3:
        mov     dpl,%1
 %7:
-       mov     sp,bp
-       pop     bp
+       mov     sp,_bp
+       pop     _bp
 } by {
-       ;       Peephole 103    removed redundant mov
+       ;       Peephole 103    removed redundant mov to %1
        mov     dpl,%2
        ljmp    %3
 %4:
        mov     dpl,%5
 %3:
 %7:
-       mov     sp,bp
-       pop     bp
-}
+       mov     sp,_bp
+       pop     _bp
+} if labelRefCount(%3 1)
 
-replace {
-       mov     a,bp
-       clr     c
-       add     a,#0x01
-       mov     r%1,a
-} by {
-       ;       Peephole 104    optimized increment (acc not set to r%1, flags undefined)
-       mov     r%1,bp
-       inc     r%1
-}
+// Does not seem to be triggered anymore
+//replace {
+//     mov     a,_bp
+//     clr     c
+//     add     a,#0x01
+//     mov     r%1,a
+//} by {
+//     ;       Peephole 104    optimized increment (acc not set to r%1, flags undefined)
+//     mov     r%1,_bp
+//     inc     r%1
+//}
 
 replace {
        mov     %1,a
@@ -582,11 +583,11 @@ replace {
 replace {
        push    psw
        mov     psw,%1
-       push    bp
-       mov     bp,%2
+       push    _bp
+       mov     _bp,%2
 %3:
-       mov     %2,bp
-       pop     bp
+       mov     %2,_bp
+       pop     _bp
        pop     psw
        ret
 } by {
@@ -1973,14 +1974,15 @@ replace {
        ;       Peephole 206    removed redundant mov %1,%1
 } if notVolatile
 
-replace {
-       mov     a,_bp
-       add     a,#0x00
-       mov     %1,a
-} by {
-       ;       Peephole 207    removed zero add (acc not set to %1, flags undefined)
-       mov     %1,_bp
-}
+// Does not seem to be triggered anymore
+//replace {
+//     mov     a,_bp
+//     add     a,#0x00
+//     mov     %1,a
+//} by {
+//     ;       Peephole 207    removed zero add (acc not set to %1, flags undefined)
+//     mov     %1,_bp
+//}
 
 replace {
        push    acc
@@ -1991,16 +1993,17 @@ replace {
        mov     r%1,_bp
 }
 
-replace {
-       mov     a,_bp
-       add     a,#0x00
-       inc     a
-       mov     %1,a
-} by {
-       ;       Peephole 209    optimized increment (acc not set to %1, flags undefined)
-       mov     %1,_bp
-       inc     %1
-}
+// Does not seem to be triggered anymore
+//replace {
+//     mov     a,_bp
+//     add     a,#0x00
+//     inc     a
+//     mov     %1,a
+//} by {
+//     ;       Peephole 209    optimized increment (acc not set to %1, flags undefined)
+//     mov     %1,_bp
+//     inc     %1
+//}
 
 replace {
        mov     dptr,#((((%1 >> 8)) <<8) + %1)
@@ -2016,15 +2019,16 @@ replace {
        ;       Peephole 211    removed redundant push %1 pop %1
 }
 
-replace {
-       mov     a,_bp
-       add     a,#0x01
-       mov     r%1,a
-} by {
-       ;       Peephole 212    reduced add sequence to inc
-       mov     r%1,_bp
-       inc     r%1
-}
+// Does not seem to be triggered anymore
+//replace {
+//     mov     a,_bp
+//     add     a,#0x01
+//     mov     r%1,a
+//} by {
+//     ;       Peephole 212    reduced add sequence to inc
+//     mov     r%1,_bp
+//     inc     r%1
+//}
 
 // reverts peephole 159? asx8051 cannot handle, too complex?
 replace {