* gcc.dg/i386-387-7.c, gcc.dg/i386-3dnowA-1.c,
	gcc.dg/i386-3dnowA-2.c, gcc.dg/pr12092-1.c: Skip x86 tests for
	-m64.
	* gcc.dg/loop-3.c, gcc.dg/short-compare-1.c,
	gcc.dg/short-compare-2.c, gcc.dg/smod-1.c,
	gcc.dg/torture/badshift.c: Don't give 32-bit options for x86 -m64.

From-SVN: r97731