xref: /csrg-svn/sys/tahoe/align/Acmpf.c (revision 45699)
1*45699Sbostic /*	Acmpf.c	1.2	90/12/04	*/
229597Ssam 
3*45699Sbostic #include "align.h"
429597Ssam cmpf(infop)	process_info *infop;
529597Ssam /*
629597Ssam /*	Compare accumulator (float) with operand.
729597Ssam /*
829597Ssam /*************************************************/
929597Ssam {
1029597Ssam 	register float	*Register_12;	/* Has to be first reg ! */
1129597Ssam 	register float	*Register_11;
1229597Ssam 	register long	Register_10;
1329597Ssam 
1429597Ssam 	Register_12 = (float *) &acc_high;
1529597Ssam 	Register_11 = (float *) &operand(infop,0)->data;
1629597Ssam 	if ( reserved( *(long *)Register_11 ) )
1729597Ssam 			exception(infop, ILL_OPRND);
1829597Ssam 	asm ("	ldf	(r12)");
1929597Ssam 	Register_10=psl;
2029597Ssam 	Set_psl(r10);	/* restore the user psl */
2129597Ssam 	asm ("	cmpf	(r11)");
2229597Ssam 	asm ("	movpsl	r10");
2329597Ssam 	New_cc (Register_10);
2429597Ssam }
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