https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67464
--- Comment #2 from ktkachov at gcc dot gnu.org --- Author: ktkachov Date: Mon Sep 28 08:23:47 2015 New Revision: 228194 URL: https://gcc.gnu.org/viewcvs?rev=228194&root=gcc&view=rev Log: [RTL-ifcvt] PR rtl-optimization/67465: Handle pairs of complex+simple blocks and empty blocks more gracefully PR rtl-optimization/67456 PR rtl-optimization/67464 PR rtl-optimization/67465 * ifcvt.c (noce_try_cmove_arith): Bail out if cannot conditionally move in the mode of x. Handle combination of complex and simple block pairs as well as the case when one is empty. * gcc.dg/pr67465.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr67465.c Modified: trunk/gcc/ChangeLog trunk/gcc/ifcvt.c trunk/gcc/testsuite/ChangeLog