xref: /csrg-svn/sys/tahoe/align/Ashll.c (revision 45699)
1*45699Sbostic /*	Ashll.c	1.2	90/12/04	*/
229633Ssam 
329633Ssam 
4*45699Sbostic #include "align.h"
529633Ssam 
629633Ssam shll(infop)	process_info *infop;
729633Ssam /*
829633Ssam /*	Shift logical left (longword).
929633Ssam /*	Checks for overflow.
1029633Ssam /*
1129633Ssam /*******************************/
1229633Ssam {
1329633Ssam 	register	long	Register_12;	/* Has to be first reg ! */
1429633Ssam 	register	long	Register_11;
1529633Ssam 	register	long	Register_10;
1629633Ssam 
1729633Ssam 	Register_12 = operand(infop,0)->data;
1829633Ssam 	Register_11 = operand(infop,1)->data;
1929633Ssam 	Register_10 = psl;
2029633Ssam 	Set_psl(r10);	/*save the orig CC bits of the psl */
2129633Ssam 	asm("	shll	r12,r11,r10");
2229633Ssam 	asm("	movpsl	r12");
2329633Ssam 	New_cc (Register_12);
2429633Ssam 	write_back (infop, Register_10, operand(infop,2));
2529633Ssam }
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