gcc/

gcc/
    * config/arm/arm.c (arm_block_move_unaligned_straight)
    (arm_adjust_block_mem, arm_block_move_unaligned_loop)
    (arm_movmemqi_unaligned): New.
    (arm_gen_movmemqi): Support unaligned block copies.

    gcc/testsuite/
    * lib/target-supports.exp (check_effective_target_arm_unaligned):
    New.
    * gcc.target/arm/unaligned-memcpy-1.c: New.
    * gcc.target/arm/unaligned-memcpy-2.c: New.
    * gcc.target/arm/unaligned-memcpy-3.c: New.
    * gcc.target/arm/unaligned-memcpy-4.c: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180131 138bc75d-0d04-0410-961f-82ee72b054a4