On Tue, Aug 14, 2018 at 03:32:01PM -0400, Paul Koning wrote: > I'm trying to convert the pdp11 target to use LRA. > > A lot of it "just works". But one of the test suite files fails in a way > that I can't figure out at all. I'm hoping for some help or hints to track > down the cause and come up with a fix. > > The failing program is testsuite/gcc.c-torture/compile/ifreg.c:
[ snip ] > I don't know how to read that, and I don't know what to look for to find a > cause or a cure. Apart from turning on LRA, the code I'm running is what's > in the repository, if anyone wants to look at the md file or other bits to > offer suggestions. I think this is because the PDP port still has subregs of memory. You can get rid of that by defining some (trivial) scheduling. Segher
