* gcc.dg/i386-cadd.c:  Compile using -march=k8.
	* gcc.dg/i386-cmov?.c:  Likewise.
	* gcc.dg/i386-fpcvt-?.c:  Likewise.
	* gcc.dg/i386-ssefp-1.c:  Likewise.
	* gcc.dg/i386-ssetype-?.c:  Likewise; fix for register passing
	convetions.

From-SVN: r62394