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WebSVN – planix.SVN – Blame – /os/branches/planix-v0/sys/src/libthread/xincpower.s – Rev 2

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TEXT	_xinc(SB),$0	/* void _xinc(long *); */
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	MOVW	R3, R4
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xincloop:
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	LWAR	(R4), R3
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	ADD		$1, R3
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	DCBT	(R4)				/* fix 405 errata cpu_210 */
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	STWCCC	R3, (R4)
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	BNE		xincloop
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	RETURN
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TEXT	_xdec(SB),$0	/* long _xdec(long *); */
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	MOVW	R3, R4
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xdecloop:
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	LWAR	(R4), R3
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	ADD		$-1, R3
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	DCBT	(R4)				/* fix 405 errata cpu_210 */
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	STWCCC	R3, (R4)
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	BNE		xdecloop
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	RETURN