On Fri, Apr 27, 2012 at 3:01 AM, Paolo Bonzini <bonz...@gnu.org> wrote: > This patch teaches phiopt to look at phis whose arguments are -1 and 0, > and produce negated setcc statements. > > Bootstrapped/regtested x86_64-pc-linux-gnu, together with the patch > for pr53138. Ok for mainline? > > Paolo > > 2012-04-27 Paolo Bonzini <bonz...@gnu.org> > > * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs > whose arguments are -1 and 0, by negating the result of the > conditional. >
This caused: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53144 H.J.
