On Fri, Apr 27, 2012 at 9:43 AM, H.J. Lu <hjl.to...@gmail.com> wrote: > 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 >
This also caused: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53748 -- H.J.
