* src/mcs51/peeph.def: added 101.a,b (moves to int/long xdata)

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

diff --git a/src/mcs51/peeph.def b/src/mcs51/peeph.def
index 97492818f227249f8f51df14372f145fa71ec8cb..feab2599b201b4e814aa9cad9fffbbdb123c41dd 100644 (file)
--- a/src/mcs51/peeph.def
+++ b/src/mcs51/peeph.def
@@ -193,17 +193,63 @@ replace {
        movx    @dptr,a
 } if notVolatile %1
 
+// applies to f.e. lib/src/time.c (--model-large)
 replace {
        mov     a,%1
        movx    @dptr,a
        inc     dptr
        mov     a,%1
        movx    @dptr,a
+       inc     dptr
+       mov     a,%1
+       movx    @dptr,a
+       inc     dptr
+       mov     a,%1
+       movx    @dptr,a
+} by {
+       mov     a,%1
+       movx    @dptr,a
+       inc     dptr
+       ;       Peephole 101.a  removed redundant moves
+       movx    @dptr,a
+       inc     dptr
+       movx    @dptr,a
+       inc     dptr
+       movx    @dptr,a
+} if notVolatile %1
+
+// applies to f.e. support/regression/tests/literalop.c (--model-large)
+replace {
+       mov     a,%1
+       movx    @dptr,a
+       inc     dptr
+       mov     a,%1
+       movx    @dptr,a
+       inc     dptr
+       mov     a,%1
+       movx    @dptr,a
 } by {
        mov     a,%1
        movx    @dptr,a
        inc     dptr
-       ;       Peephole 101    removed redundant mov
+       ;       Peephole 101.b  removed redundant moves
+       movx    @dptr,a
+       inc     dptr
+       movx    @dptr,a
+} if notVolatile %1
+
+// applies to f.e. support/regression/tests/onebyte.c (--model-large)
+replace {
+       mov     a,%1
+       movx    @dptr,a
+       inc     dptr
+       mov     a,%1
+       movx    @dptr,a
+} by {
+       mov     a,%1
+       movx    @dptr,a
+       inc     dptr
+       ;       Peephole 101.c  removed redundant mov
        movx    @dptr,a
 } if notVolatile %1
 
@@ -268,7 +314,7 @@ replace {
        mov     a,%1
 } by {
        mov     %1,a
-;      Peephole 105    removed redundant mov
+       ;       Peephole 105    removed redundant mov
 } if notVolatile %1
 
 replace {
@@ -793,7 +839,7 @@ replace {
        mov     %1,a
        mov     dpl,%2
        mov     dph,%3
-       ;       Peephole 136    removed redundant move
+       ;       Peephole 136    removed redundant mov
 } if notVolatile %1
 
 // WTF? Doesn't look sensible to me...
@@ -845,7 +891,8 @@ replace {
 } by {
        ;       Peephole 139.b  removed redundant mov
        orl     a,%2
-       mov     r%1,a }
+       mov     r%1,a
+}
 
 replace {
        mov     r%1,a
@@ -875,7 +922,7 @@ replace {
        mov     r%2,ar%1
        mov     ar%1,@r%2
 } by {
-       ;       Peephole 142    removed redundant moves
+       ;       Peephole 142    removed redundant mov
        mov     r%2,a
        mov     ar%1,@r%2
 }
@@ -1284,7 +1331,7 @@ replace {
        mov     %1,%2
        mov     %1,%3
 } by {
-       ;       Peephole 177.c  removed redundant move
+       ;       Peephole 177.c  removed redundant mov
        mov     %1,%3
 } if notVolatile %1 %2
 
@@ -1297,7 +1344,7 @@ replace restart {
 } by {
        mov     %1,%2
        mov     %3,%4
-       ;       Peephole 177.d  removed redundant move
+       ;       Peephole 177.d  removed redundant mov
 } if notVolatile(%1 %2),operandsNotRelated(%1 %2 %3)
 
 // applies to f.e. bug-607243.c
@@ -1306,7 +1353,7 @@ replace {
        mov     r%1,%2
        mov     ar%1,%3
 } by {
-       ;       peephole 177.e  removed redundant move
+       ;       peephole 177.e  removed redundant mov
        mov     ar%1,%3
 } if notVolatile %2 %3
 
@@ -1314,7 +1361,7 @@ replace {
        mov     ar%1,%2
        mov     r%1,%3
 } by {
-       ;       peephole 177.f  removed redundant move
+       ;       peephole 177.f  removed redundant mov
        mov     r%1,%3
 } if notVolatile %2
 
@@ -1972,7 +2019,7 @@ replace {
        mov     %1,%1
 } by {
        ;       Peephole 206    removed redundant mov %1,%1
-} if notVolatile
+} if notVolatile %1
 
 // Does not seem to be triggered anymore
 //replace {
@@ -2054,7 +2101,7 @@ replace    {
        add     a,%1
 } by {
        mov     %1,a
-       ;       Peephole 214    reduced some extra moves
+       ;       Peephole 214.a  removed redundant mov
        add     a,%2
 } if operandsNotSame
 
@@ -2063,7 +2110,7 @@ replace {
        add     a,%2
        mov     %1,a
 } by {
-       ;       Peephole 215    removed some moves
+       ;       Peephole 214.b  removed redundant mov
        add     a,%2
        mov     %1,a
 } if operandsNotSame
@@ -2182,13 +2229,13 @@ replace {
 replace {
        mov     %1 + %2,(%2 + %1)
 } by {
-       ;       Peephole 221.a  remove redundant move
+       ;       Peephole 221.a  remove redundant mov
 } if notVolatile
 
 replace {
        mov     (%1 + %2 + %3),((%2 + %1) + %3)
 } by {
-       ;       Peephole 221.b  remove redundant move
+       ;       Peephole 221.b  remove redundant mov
 } if notVolatile
 
 replace {
@@ -4561,6 +4608,7 @@ replace {
 %3:
 } if labelRefCount(%3 1), labelRefCountChange(%3 -1)
 
+
 // should be one of the last peepholes
 replace{
 %1: