OpenGrok

57 	movel	12(%sp), %d0	| load divisor
60 | first, we divide the divisor and dividend by two until 
61 | the divisor fits into 16 bits:
89 | (dividend - divisor) <= dividendB <= dividend
90 | (divisor / 2) < divisorB <= divisor
96 | divisor and subtract the result from the original dividend.  
101 | divisor is our remainder.
106 	movel	12(%sp), %d2	| load divisor
109 	muluw	%d2, %d1	| high(divisor) * low(guess)
110 	moveal	%d1, %a1	| save high(divisor) * low(guess)
114 	muluw	%d2, %d1	| low(divisor) * high(guess)
118 	moveal	%d2, %a1	| save original divisor
119 	muluw	%d0, %d2	| low(guess) * low(divisor)
120 	addl	%d1, %d2	| %d2 = guess * divisor

Indexes created Thu Oct 02 14:10:14 GMT 2025