re PR c/7344 (performance regression on huge case statements)

re PR c/7344 (performance regression on huge case statements)

	* i386.md (movv2di_internal): New pattern.
	(movv2df_internal, movv8hi_internal, movv16qi_internal): Fix predicate.
	(movv2di): New expander.
	* i386.c (ix86_preferred_reload_class): Return NO_REGS for vector operands.

	* i386.c (ix86_expand_timode_binop_builtin): Delete.
	(builtin_description): Add SSE1 logicals; rename SSE2 logicals.
	(ix86_init_mmx_sse_builtins): Kill SSE1 logicals.
	(ix86_expand_builtin): Likewise.
	* i386.h (sse_andti4_df_1, sse_andti3_df_2, sse_andti3_sf_1, sse_andti3_sf_2,
        sse_andti3,
	sse_andnti4_df_1, sse_andti3_df_2, sse_andti3_sf_1, sse_andti3_sf_2,
        sse_andnti3,
	sse_orti4_df_1, sse_orti3_df_2, sse_orti3_sf_1, sse_orti3_sf_2,
        sse_orti3,
	sse_xorti4_df_1, sse_xorti3_df_2, sse_xorti3_sf_1, sse_xorti3_sf_2,
        sse_xorti3): Kill.
	(sse_andv4sf3, sse_andnv4sf3, sse_orv2df3, sse_xorv2df3, sse_andv2df3,
	 sse_andnv2df3, sse_orv2df3, sse_xorv2df3): New expanders.
	(*sse_andv4sf3, *sse_andnv2df3, *sse_orv4sf3, *sse_xorv4sf3, *sse_andv2df3,
	 *sse_andnv2df3, *sse_orv2df3, *sse_xorv2df3): New patterns.
	(*sse_andsf3, *sse_andndf3, *sse_ordf3, *sse_xordf3, *sse_anddf3,
	 *sse_andndf3, *sse_orv2df3, *sse_xorv2df3): New patterns.

	* xmmintrin.h (__m128i): Define as __v2di.

	PR c/7344
	* predict.c (can_predict_insn_p): New function.
	(estimate_probability): Avoid unnecesary work.
	(process_note_prediction): Likewise.
	* toplev.c (rest_of_compilation): Account early branch prediction pass
	as TV_BRANCH_PROB.

	PR c++/6419
	(expand_expr): Use DECL_RTL_SET_P.

From-SVN: r58156