outsl_ns.s

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/* outsl_ns.S: output array of 4b words to device without byte swapping
 *
 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([e-mail])
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */


        .text
        .p2align	4

###############################################################################
#
# void __outsl_ns(unsigned int port, const void *buf, int n)
#
###############################################################################
        .globl		__outsl_ns
        .type		__outsl_ns,@function
__outsl_ns:
	andicc.p	gr9,#3,gr0,icc0
	setlos		#4,gr4
	bne		icc0,#0,__outsl_ns_misaligned
	subi		gr9,#4,gr9
0:
	ldu.p		@(gr9,gr4),gr5
	subicc		gr10,#1,gr10,icc0
	sti.p		gr5,@(gr8,#0)
	bhi		icc0,#2,0b

	membar
	bralr

__outsl_ns_misaligned:
	subi.p		gr9,#1,gr9
	setlos		#1,gr4
0:
	ldubu		@(gr9,gr4),gr5
	ldubu.p		@(gr9,gr4),gr6
	slli		gr5,#8,gr5
	ldubu.p		@(gr9,gr4),gr7
	or		gr5,gr6,gr5
	ldubu.p		@(gr9,gr4),gr6
	slli		gr5,#16,gr5
	slli.p		gr7,#8,gr7
	or		gr5,gr6,gr5
	subicc.p	gr10,#1,gr10,icc0
	or		gr5,gr7,gr5

	sti.p		gr5,@(gr8,#0)
	bhi		icc0,#2,0b

	membar
	bralr

	.size		__outsl_ns, .-__outsl_ns