On Mon, Mar 23, 2015 at 5:42 AM, Richard Biener <rguent...@suse.de> wrote: > > This fixes PR65494 - I don't remember why I re-allocated matches > before recursing into operands. But that at least breaks backtracking. > > Bootstrapped and tested on x86_64-unknown-linux-gnu, applied. > > Richard. > > 2015-03-23 Richard Biener <rguent...@suse.de> > > PR tree-optimization/65494 > * tree-vect-slp.c (vect_build_slp_tree): Do not (re-)allocate > matches here. > (vect_analyze_slp_instance): But do that here, always and once.
This caused: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65533 -- H.J.
