#
# MIPS sample solution.
#

# Equivalent C code:
#
# int	dotprod(int	dim,
#		int	*xvec,
#		int	*yvec)
# {
#	int	dp = 0;
#
#	while (dim > 0) {
#		dp = dp + *xvec++ * *yvec++;
#		--dim;
#	}
#	return dp;
# }
#

		.text
		.globl dotprod
dotprod:
		li $v0, 0
		j dtest
dloop:		lw $t0,0($a1)		# $t0 <- *xvec
		lw $t1,0($a2)		# $t1 <- *yvec
		addu $a1,$a1,4		# xvec++
		addu $a2,$a2,4		# yvec++
		mul $v1,$t0,$t1
		subu $a0,$a0,1		# --dim
		addu $v0,$v0,$v1
dtest:		bgtz $a0,dloop
		jr $ra