Defines starting with `h' in machdep/i386/fp_emul

• high_extended_expon_for_double machdep/i386/fp_emul/fp_e80387.h:322
• high_extended_expon_for_single machdep/i386/fp_emul/fp_e80387.h:320
• high_int16_exponent machdep/i386/fp_emul/fp_e80387.h:324
• high_int32_exponent machdep/i386/fp_emul/fp_e80387.h:326
• high_int64_exponent machdep/i386/fp_emul/fp_e80387.h:328