re PR testsuite/20772 (x86 tests should run on both i?86 and x86_64)

re PR testsuite/20772 (x86 tests should run on both i?86 and x86_64)

	PR testsuite/20772
	* g++.dg/eh/simd-1.C, g++.dg/eh/simd-2.C, g++.dg/opt/inline9.C,
	gcc.dg/20020418-1.c, gcc.dg/20031102-1.c, gcc.dg/ia64-sync-1.c,
	gcc.dg/ia64-sync-2.c, gcc.dg/ia64-sync-3.c, gcc.dg/ia64-sync-4.c,
	gcc.dg/ifcvt-fabs-1.c, gcc.dg/loop-3.c, gcc.dg/nested-calls-1.c,
	gcc.dg/pr20017.c, gcc.dg/smod-1.c, gcc.dg/sync-2.c,
	gcc.dg/tls/opt-3.c, gcc.dg/torture/badshift.c: Add x86_64 cases
	and/or merge with i?86 cases.

	* gcc.dg/tls/opt-3.c: Require effective target fpic.

From-SVN: r108324