On Sun, Apr 23, 2023 at 6:48 PM Segher Boessenkool <seg...@kernel.crashing.org> wrote: > > This minimal patch enables LRA for all targets. It does not clean up > the target code, nor does it do anything to generic code: it just > deletes all target definitions of TARGET_LRA_P. > > There are three kinds of changes: > > 1) Targets that already always have LRA, but that redefine the hook > anyway. These are gcn, pdp11, rx, sparc, vax, and xtensa. Nothing > really changes for these targets with this patch (but later patches > will delete the superfluous hook implementations). > 2) Targets that have LRA selectable. Some of those are probably fine, > since they default to using LRA (arc, mips, s390). Two others don't > though, maybe because there are problems (ft32 and sh). I'd love to > hear from all targets in this category what the status is, how easy it > was to convert, etc. > 3) Targets that as of yet never used LRA. Many of those will be fine, > but some others will need a little tuning, and a few might need some > actual improvements to LRA itself. These are cris, epiphany, fr30, > frv, h8300, ia64, iq2000, lm32, m32c, m32r, m68k, mcore, microblaze, > mmix, mn10300, msp430, nvptx, pa, rl78, stormy16, and visium. We'll > find out how many of those targets are ever tested, and how many of > those work with LRA without further changes, and how well. > > I send this patch now so that people can start testing. I don't plan to > commit this for another week at least, for a week after GCC 13 release I > guess? How does that plan sound to people?
An old patch to enable Alpha is at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66207 Uros.
