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// Code generated by command: go run asm.go -out sum.s -stubs stub.go. DO NOT EDIT.
#include "textflag.h"
// func Sum(xs []uint64) uint64
TEXT ·Sum(SB), NOSPLIT, $0-32
MOVQ xs_base+0(FP), AX
MOVQ xs_len+8(FP), CX
// Initialize sum register to zero.
XORQ DX, DX
loop:
// Loop until zero bytes remain.
CMPQ CX, $0x00
JE done
// Load from pointer and add to running sum.
ADDQ (AX), DX
// Advance pointer, decrement byte count.
ADDQ $0x08, AX
DECQ CX
JMP loop
done:
// Store sum to return value.
MOVQ DX, ret+24(FP)
RET
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