1/* __ucmpdi2.S: 64-bit unsigned compare
2 *
3 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12
13        .text
14        .p2align	4
15
16###############################################################################
17#
18# int __ucmpdi2(unsigned long long a [GR8:GR9],
19#		unsigned long long b [GR10:GR11])
20#
21# - returns 0, 1, or 2 as a <, =, > b respectively.
22#
23###############################################################################
24        .globl		__ucmpdi2
25        .type		__ucmpdi2,@function
26__ucmpdi2:
27	or.p		gr8,gr0,gr4
28	subcc		gr8,gr10,gr0,icc0
29	setlos.p	#0,gr8
30	bclr		icc0,#2			; a.msw < b.msw
31
32	setlos.p	#2,gr8
33	bhilr		icc0,#0			; a.msw > b.msw
34
35	subcc.p		gr9,gr11,gr0,icc1
36	setlos		#0,gr8
37	setlos.p	#2,gr9
38	setlos		#1,gr7
39	cknc		icc1,cc6
40	cor.p		gr9,gr0,gr8,		cc6,#1
41	cckls		icc1,cc4,		cc6,#1
42	andcr		cc6,cc4,cc4
43	cor		gr7,gr0,gr8,		cc4,#1
44	bralr
45	.size		__ucmpdi2, .-__ucmpdi2
46