} if notVolatile(%1 %2),operandsNotRelated(%1 %2 %3)
// applies to f.e. bug-607243.c
-// also check notVolatile %3, as it will return FALSE if it's @r%1
replace {
- mov r%1,%2
- mov ar%1,%3
+ mov %1,%2
+ mov a%1,%3
} by {
- ; peephole 177.e removed redundant mov
- mov ar%1,%3
-} if notVolatile %2 %3
+ ; peephole 177.e removed redundant mov %1,%2
+ mov a%1,%3
+} if notVolatile(%2), operandsNotRelated(%1 %3)
replace {
mov ar%1,%2
mov r%2,a
}
+replace {
+ mov r%1,%2
+ mov ar%3,r%1
+ mov r%1,%4
+} by {
+ ; peephole 177.j optimized mov sequence
+ mov r%3,%2
+ mov r%1,%4
+}
+
replace {
mov a,%1
mov b,a
} if notVolatile(%1)
//accessing struct/array on stack
-replace {
- add a,#%1
- add a,#%2
-} by {
- ; Peephole 270 removed redundant add
- add a,#%1+%2
-}
+//replace {
+// add a,#%1
+// add a,#%2
+//} by {
+// ; Peephole 270 removed redundant add (carry might differ, bug 2736282)
+// add a,#%1+%2
+//}
replace {
jz %1