__ucmpdi2.S
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/* __ucmpdi2.S: 64-bit unsigned compare
*
* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* 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
###############################################################################
#
# int __ucmpdi2(unsigned long long a [GR8:GR9],
# unsigned long long b [GR10:GR11])
#
# - returns 0, 1, or 2 as a <, =, > b respectively.
#
###############################################################################
.globl __ucmpdi2
.type __ucmpdi2,@function
__ucmpdi2:
or.p gr8,gr0,gr4
subcc gr8,gr10,gr0,icc0
setlos.p #0,gr8
bclr icc0,#2 ; a.msw < b.msw
setlos.p #2,gr8
bhilr icc0,#0 ; a.msw > b.msw
subcc.p gr9,gr11,gr0,icc1
setlos #0,gr8
setlos.p #2,gr9
setlos #1,gr7
cknc icc1,cc6
cor.p gr9,gr0,gr8, cc6,#1
cckls icc1,cc4, cc6,#1
andcr cc6,cc4,cc4
cor gr7,gr0,gr8, cc4,#1
bralr
.size __ucmpdi2, .-__ucmpdi2