https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70478
--- Comment #10 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- Author: vmakarov Date: Mon Apr 10 14:58:33 2017 New Revision: 246808 URL: https://gcc.gnu.org/viewcvs?rev=246808&root=gcc&view=rev Log: 2017-04-10 Vladimir Makarov <vmaka...@redhat.com> PR rtl-optimization/70478 * lra-constraints.c (curr_small_class_check): New. (update_and_check_small_class_inputs): New. (process_alt_operands): Update curr_small_class_check. Disfavor alternative insn memory operands. Check available regs for small class operands. Modified: trunk/gcc/ChangeLog trunk/gcc/lra-constraints.c