* gcc.dg/tree-ssa/ltrans-1.c: Add -march=i486 for i?86-*-* && ilp32.
	* gcc.dg/tree-ssa/ltrans-3.c: Likewise.
	* gcc.dg/tree-ssa/ltrans-4.c: Likewise.
	* gcc.dg/tree-ssa/ltrans-5.c: Likewise.
	* gcc.dg/tree-ssa/ltrans-6.c: Likewise.
	* gcc.dg/tree-ssa/ltrans-8.c: Likewise.
	* gcc.dg/tree-ssa/vrp47.c: Add -march=i586 for i?86-*-* && ilp32.
	* gfortran.dg/ltrans-7.f90: Add -march=i486 for i?86-*-* && ilp32.

From-SVN: r161492