gcc/
    * config/arm/arm.c (NEON_COPYSIGNF): New enum.
    (arm_init_neon_builtins): Support NEON_COPYSIGNF.
    (arm_builtin_vectorized_function): Likewise.
    * config/arm/arm_neon_builtins.def: New macro for copysignf.
    * config/arm/neon.md (neon_copysignf<mode>): New pattern for vector
    copysignf.

  gcc/testsuite/
    * gcc.target/arm/vect-copysignf.c: New testcase.

From-SVN: r215067