File:  [CSRG BSD Unix] / 43BSDReno / sys / tahoealign / Ashrq.c
Revision 1.1: download - view: text, annotated - select for diffs
Tue Apr 24 16:12:57 2018 UTC (8 years, 1 month ago) by root
CVS tags: MAIN, HEAD
Initial revision

/*	Ashrq.c	1.1	86/07/20	*/

#include "../tahoealign/align.h" 
shrq(infop) 	process_info *infop;
/*
/*	Shift right quadword.
/*
/********************************/
{
	register	long	Register_12;	/* Has to be first reg ! */
	register 	long	Register_11;
	register 	long	Register_10;
	register	long	*Register_9;
	quadword	result;

	Register_12 = operand(infop,0)->data;	/* Counter */
	Register_9 = &operand(infop,1)->data;	/* Source */

	Register_10=psl;
	Set_psl(r10);	/* restore the user psl */
	asm ("	shrq	r12,(r9),r10");
	asm ("	movpsl	r12");
	New_cc (Register_12);
	result.high = Register_10;
	result.low  = Register_11;
	write_quadword (infop, result, operand(infop,2));
}

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