Following patch substantially improves generated code for
get_fpu_trap_exceptions, reducing insn count from 31 to 9.

2015-08-04  Uros Bizjak  <ubizjak@gmail.com>

    * config/fpu-387.h (get_fpu_trap_exceptions): Add temporary variable
    to improve generated code.

Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.

Committed to mainline SVN.

Uros.