mulhi3.c File Reference

16 bit multiplication routine More...

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Functions
int	__mulhi3 (int a, int b)
	16 bit signed multiplication */
	__asm__ ("\n\ .section .text\n\ .global ___mulhi3\n\ ___mulhi3:\n\ ; param r0,r1\n\ ; return r0\n\ ; clobber r2\n\ \n\ mov.w r0,r2\n\ mulxu.b r1h,r2\n\ mov.b r0h,r2h\n\ mulxu.b r1l,r0\n\ add.b r2l,r0h\n\ mulxu.b r2h,r1\n\ add.b r1l,r0h\n\ rts\n\ ")

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Detailed Description

16 bit multiplication routine

Author:

Markus L. Noga <markus@noga.de>

Definition in file mulhi3.c.

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Function Documentation

__asm__ (  "\n\.section .text\n\.global ___mulhi3\n\___mulhi3:\n\ ; param   r0, r1\n\;return r0\n\;clobber r2\n\\n\mov.w  r0, r2\n\mulxu.b  r1h, r2\n\mov.b  r0h, r2h\n\mulxu.b  r1l, r0\n\add.b  r2l, r0h\n\mulxu.b  r2h, r1\n\add.b  r1l, r0h\n\rts\n\"  )

int __mulhi3 (  int  a, int  b )

16 bit signed multiplication */ Parameters: a  multiplicand b  multiplicand Returns: product

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