set_row:
	testq	%rcx, %rcx		# Test n
	jle	.L4			# If 0, goto done
	movq	%rcx, %rax		# rax = n
	imulq	%rdx, %rax		# rax *= i
	leaq	(%rdi,%rax,8), %rdx	# rowp = A + n*i*8
	movl	$0, %r8d		# j = 0
.L3:					# loop:
	movq	(%rsi,%r8,8), %rax	# t = b[j]
	movq	%rax, (%rdx)		# *rowp = t
	addq	$1, %r8			# j++
	addq	$8, %rdx		# rowp++
	cmpq	%r8, %rcx		# Compare n:j
	jg	.L3			# If >, goto loop
.L4:					# done:
	rep
	ret