------- Additional Comments From rth at gcc dot gnu dot org 2005-06-19 03:12 ------- (In reply to comment #7) > It actually does.
Ah. I failed to add -vops to the dump and so mis-diagnosed the problem. > The first problem here is that PRE doesn't mark anything for renaming > because it's never inserted things that may change vuses/v_may_defs before. It shouldn't have to change vuse/vdef now either because ... > I fixed it to do this, and it still fails, because we create a PHI of a > COMPLEX_TYPE, which it thinks is a virtual phi for a gimple register, > because DECL_COMPLEX_GIMPLE_REG_P is not set on it. ... DECL_COMPLEX_GIMPLE_REG_P should be set on the new variable. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22116
