i386-cadd.c: Compile using -march=k8.

	* 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: r62395

gcc/testsuite/gcc.dg/i386-ssetype-2.c

@@ -5,7 +5,6 @@
 /* { dg-final { scan-assembler "xorpd" } } */
 /* { dg-final { scan-assembler "orpd" } } */
 /* { dg-final { scan-assembler-not "movdqa" } } */
-/* { dg-final { scan-assembler "movapd" } } */
 
 /* Verify that we generate proper instruction without memory operand.  */