re PR target/46280 (Several testcases FAIL with 16byte alignment ABI warning on Solaris 8/9 x86)

	gcc:
	* config/i386/i386.c (ix86_function_arg_boundary): Fix warning
	message.

	gcc/testsuite:
	* gcc.dg/pr35442.c: Adapt warning.

	PR target/46280
	* g++.dg/eh/simd-2.C: Add -msse to dg-options, add
	dg-require-effective-target sse_runtime for for i?86-*-*, x86_64-*-*.
	* g++.dg/torture/pr36444.C: Add dg-options -msse for
	i?86-*-* x86_64-*-*.
	* g++.dg/torture/pr36445.C: Likewise.
	* gcc.c-torture/compile/pr34856.c: Likewise.
	* gcc.c-torture/compile/pr39928-1.c: Likewise.
	* gcc.c-torture/compile/vector-1.c: Likewise.
	* gcc.c-torture/compile/vector-2.c: Likewise.
	* gcc.dg/pr32912-1.c: Likewise.
	* gcc.c-torture/execute/va-arg-25.c: Move ...
	* gcc.dg/torture/va-arg-25.c: ... here.
	Add dg-do run.
	Add dg-options -msse, dg-require-effective-target sse_runtime for
	for i?86-*-*, x86_64-*-*.
	* gcc.c-torture/execute/vector-1.c: Likewise.
	* gcc.c-torture/execute/vector-2.c: Likewise.
	* gcc.dg/tree-ssa/forwprop-5.c: Add -msse to dg-options for
	i?86-*-*, x86_64-*-*.
	* gcc.dg/tree-ssa/fre-vce-1.c: Likewise.
	* gcc.dg/tree-ssa/sra-4.c: Likewise.
	* gcc.dg/tree-ssa/vector-1.c: Likewise.
	* gcc.dg/tree-ssa/vector-2.c: Likewise.
	* gcc.target/i386/vect-args.c: Add -Wno-psabi to dg-options.

From-SVN: r166444