Hello all,
I've filed bug: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34903
Regards,
Sergei
Andrew Haley wrote:
David Edelsohn wrote:
Andrew Haley writes:
Andrew> I suspect that the real reason for the change in save/restore
is because
Andrew> not using lmw/stmw is faster. That's just a guess though.
gcc could probably
Andrew> be fixed to use ldmw/stmw if -Os is used.
Andrew> Anyway, now we've found something specific this is for the ppc
maintainer to comment.
GCC does use load/store multiple and load/store string
instructions if -Os is used, but not when the sequence is broken up by a
fixed register.
Err, why not?
Thanks,
Andrew.
