https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64817
--- Comment #7 from Alexandre Oliva <aoliva at gcc dot gnu.org> --- Author: aoliva Date: Wed Feb 4 14:23:33 2015 New Revision: 220404 URL: https://gcc.gnu.org/viewcvs?rev=220404&root=gcc&view=rev Log: Avoid allocating memory when trying but failing to simplify XOR of AND. for gcc/ChangeLog PR debug/64817 * simplify-rtx.c (simplify_binary_operation_1): Rewrite simplification of XOR of AND to not allocate new rtx before committing to a simplification. Modified: trunk/gcc/ChangeLog trunk/gcc/simplify-rtx.c