/*
   * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #include <asm/linkage.h>
  
  #define SMALL	7 /* Must be at least 6 to deal with alignment/loop issues.  */
  
  ARC_ENTRY memset
  	mov_s	r4,r0
  	or	r12,r0,r2
  	bmsk.f	r12,r12,1
  	extb_s	r1,r1
  	asl	r3,r1,8
  	beq.d	.Laligned
  	or_s	r1,r1,r3
  	brls	r2,SMALL,.Ltiny
  	add	r3,r2,r0
  	stb	r1,[r3,-1]
  	bclr_s	r3,r3,0
  	stw	r1,[r3,-2]
  	bmsk.f	r12,r0,1
  	add_s	r2,r2,r12
  	sub.ne	r2,r2,4
  	stb.ab	r1,[r4,1]
  	and	r4,r4,-2
  	stw.ab	r1,[r4,2]
  	and	r4,r4,-4
  .Laligned:	; This code address should be aligned for speed.
  	asl	r3,r1,16
  	lsr.f	lp_count,r2,2
  	or_s	r1,r1,r3
  	lpne	.Loop_end
  	st.ab	r1,[r4,4]
  .Loop_end:
  	j_s	[blink]
  
  	.balign	4
  .Ltiny:
  	mov.f	lp_count,r2
  	lpne	.Ltiny_end
  	stb.ab	r1,[r4,1]
  .Ltiny_end:
  	j_s	[blink]
  ARC_EXIT memset
  
  ; memzero: @r0 = mem, @r1 = size_t
  ; memset:  @r0 = mem, @r1 = char, @r2 = size_t
  
  ARC_ENTRY memzero
      ; adjust bzero args to memset args
      mov r2, r1
      mov r1, 0
      b  memset    ;tail call so need to tinker with blink
  ARC_EXIT memzero