Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/frv/lib/__ucmpdi2.S
10817 views
1
/* __ucmpdi2.S: 64-bit unsigned compare

2
 *

3
 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.

4
 * Written by David Howells ([email protected])

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


47