2015-01-30 Vladimir Makarov <vmakarov@redhat.com>
PR target/64688
* lra-constraints.c (original_subreg_reg_mode): New.
(simplify_operand_subreg): Try to simplify subreg of const. Use
original_subreg_reg_mode for it.
(swap_operands): Update original_subreg_reg_mode.
(curr_insn_transform): Set up original_subreg_reg_mode.
2015-01-30 Vladimir Makarov <vmakarov@redhat.com>
PR target/64688
* g++.dg/pr64688-2.C: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@220297 138bc75d-0d04-0410-961f-82ee72b054a4