Paul Edwards wrote: > Unfortunately it's not quite right, seemingly not loading R9 properly: > > LR 9,13 > AR 9,13 > MVC 0(10,9),0(2)
That's weird. What does the reload dump (.greg) say? > And it had a knock-on effect too, producing bad code elsewhere: > > < SLR 2,2 > < SLR 3,3 > < ST 2,128(13) > < ST 3,4+128(13) > < ST 2,136(13) > < ST 3,4+136(13) > < ST 2,144(13) > < ST 3,4+144(13) > --- > > MVC 128(8,13),=F'0' > > MVC 136(8,13),=F'0' > > MVC 144(8,13),=F'0' > > But I guess that is another can of worms to investigate. It seems the literal is not marked as being doubleword. That might be related to the fact that const_int's do not carry a mode, so you cannot just look at the literal's mode to determine the required size, but have to take the full instruction into account ... Bye, Ulrich -- Dr. Ulrich Weigand GNU Toolchain for Linux on System z and Cell BE ulrich.weig...@de.ibm.com