* config/xtensa/predicates.md (addsubx_operand): New.
	* config/xtensa/xtensa.c (xtensa_emit_branch): New.
	(xtensa_emit_bit_branch): New.
	(xtensa_emit_movcc): New.
	* config/xtensa/xtensa.md (any_minmax): New code macro.
	(minmax): New code attribute.
	(any_cond, any_scc, any_scc_sf): New code macros.
	(*addx2, *addx4, *addx8): Delete.
	(*addx): New.
	(*subx2, *subx4, *subx8): Delete.
	(*subx): New.
	(sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
	(beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
	(*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
	(*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
	(seq, sne, sgt, sge, slt, sle): Use any_scc macro.
	(movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
	(movsfcc_internal0, movsfcc_internal1): Likewise.
	(seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
	* config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
	(xtensa_emit_bit_branch): New.
	(xtensa_emit_movcc): New.
	(function_arg_boundary): Add missing prototype.

From-SVN: r118952