File:  [Power 6/32 Unix Tahoe 4.2BSD] / cci / sys / tahoe / Amull2.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Sun Jul 28 12:30:03 2019 UTC (6 years, 11 months ago) by root
Branches: bsd, MAIN
CVS tags: v121, HEAD
Power 6/32 Unix version 1.21

#include "../machine/alignment.h" 
int	zzz1,zzz2,zzz3,zzz4,zzz5;
mull2(infop)	process_info *infop;
/*
/*	Multiply longwords, 2 operands.
/*
/*****************************************/
{
	register	long	Register_12;	/* Has to be first reg ! */
	register	long	result, data0, data1;

	data0 = operand(infop,0)->data; 
	data1 = operand(infop,1)->data; 
	Register_12=psl;
	Set_psl(r12);	/* restore the user psl */
	result = data0 * data1;
	asm("movpsl	r12");
	New_cc (Register_12);
	write_back (infop,result, operand(infop,1) );
}

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