http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52419
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-29 17:46:08 UTC --- Author: jakub Date: Wed Feb 29 17:45:55 2012 New Revision: 184666 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184666 Log: PR middle-end/52419 * expr.c (expand_assignment): If doing misaligned store that doesn't cover all mode bits, perform a RMW cycle. * gcc.dg/torture/pr52419.c: New test. Added: trunk/gcc/testsuite/gcc.dg/torture/pr52419.c Modified: trunk/gcc/ChangeLog trunk/gcc/expr.c trunk/gcc/testsuite/ChangeLog