i386.md (fixuns_trunc<mode>hi2): Implement from fixuns_truncsfhi2 and fixuns_truncdfh...

i386.md (fixuns_trunc<mode>hi2): Implement from fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF mode macro.

	* config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
	fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
	mode macro.
	(fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
	fix_truncdfdi_sse using SSEMODEF mode macro.
	(fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
	fix_truncdfsi_sse using SSEMODEF mode macro.
	(fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
	(fix_trunc?f?i_sse K8 peephole2): Fix register constraint.

From-SVN: r122839