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File:  [Plan 9 NeXT] / lucent / sys / src / libc / 68020 / strchr.s
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 18:01:05 2018 UTC (8 years, 1 month ago) by root
Branches: lucent, MAIN
CVS tags: plan9, HEAD
Plan 9 NeXT

	TEXT	strchr(SB), $0

	MOVL	s+0(FP), A0
	MOVB	c+7(FP), R2
	BEQ	null

l:
	MOVB	(A0)+, R1
	BEQ	out
	CMPB	R1, R2
	BNE	l

	MOVL	A0, R0
	ADDL	$-1, R0
	RTS

out:
	CLRL	R0
	RTS

null:
	TSTB	(A0)+
	BNE	null

	MOVL	A0, R0
	ADDL	$-1, R0
	RTS
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