gcc/
    * doc/sourcebuild.texi (arm_hf_eabi): Document effective-target
    check.

    gcc/testsuite/
    * lib/target-supports.exp (check_effective_target_arm_hf_eabi): New.
    * gcc.dg/torture/stackalign/builtin-apply-2.c: Skip for
    hard-float ARM.

From-SVN: r189805