# Execution begins at address 0 
	.pos 0 
	irmovq stack, %rsp  	# Set up stack pointer  
	call main		# Execute main program
	halt			# Terminate program 

# Array of 4 elements
	.align 8 	
array:	.quad 0x000d000d000d
	.quad 0x00c000c000c0
	.quad 0x0b000b000b00
	.quad 0xa000a000a000

main:	irmovq array,%rdi	
	irmovq $4,%rsi
	call sum		# sum(array, 4)
	ret 

/* $begin sumi-ys */
# long sum(long *start, long count)
# start in %rdi, count in %rsi
sum:
	xorq %rax,%rax		# sum = 0
	andq %rsi,%rsi		# Set condition codes
	jmp    test
loop:
	mrmovq (%rdi),%r10	# Get *start
	addq %r10,%rax          # Add to sum
	iaddq $8,%rdi           # start++
	iaddq $-1,%rsi          # count--
test:
	jne    loop             # Stop when 0
	ret
/* $end sumi-ys */

# The stack starts here and grows to lower addresses
	.pos 0x100		
stack: