Michael Matz <m...@suse.de> writes: > when experimenting with m68k plus LRA one of the > changes in the backend is to accept ASHIFTs (not only > MULT) as scale code for address indices. When then not > turning on LRA but using reload those addresses are > presented to it which chokes on them. While reload is > going away the change to make them work doesn't really hurt > (and generally seems useful, as MULT and ASHIFT really are > no different). So just add it. > > PR target/116413 > * final.cc (walk_alter_subreg): Recurse on AHIFT. > --- > gcc/final.cc | 1 + > 1 file changed, 1 insertion(+) > --- > > Regstrapped on x86-64-linux. Okay?
OK, thanks. If things are working correctly, this should only trigger in LEAs, and MULT should only occur in MEMs. Richard > > diff --git a/gcc/final.cc b/gcc/final.cc > index eb9e065d9f0..5d911586de5 100644 > --- a/gcc/final.cc > +++ b/gcc/final.cc > @@ -3146,6 +3146,7 @@ walk_alter_subreg (rtx *xp, bool *changed) > case PLUS: > case MULT: > case AND: > + case ASHIFT: > XEXP (x, 0) = walk_alter_subreg (&XEXP (x, 0), changed); > XEXP (x, 1) = walk_alter_subreg (&XEXP (x, 1), changed); > break;
