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! Copyright (C) 2012 by Imagination Technologies Ltd.
!
! 64-bit unsigned compare routine.
!
.text
.global ___ucmpdi2
.type ___ucmpdi2,function
! low high
! u64 a (D0Ar2, D1Ar1)
! u64 b (D0Ar4, D1Ar3)
___ucmpdi2:
! start at 1 (equal) and conditionally increment or decrement
MOV D0Re0,#1
! high words
CMP D1Ar1,D1Ar3
! or if equal, low words
CMPEQ D0Ar2,D0Ar4
! unsigned compare
SUBLO D0Re0,D0Re0,#1
ADDHI D0Re0,D0Re0,#1
MOV PC,D1RtP
.size ___ucmpdi2,.-___ucmpdi2
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