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23 lines
365 B
ArmAsm
23 lines
365 B
ArmAsm
.global Sum
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.text
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.align 2
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// x0 is the pointer to data
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// x1 is the length and is reused as `end`
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// x2 is the sum
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// x3 is the current dereferenced value
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Sum:
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mov x2, xzr
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add x1, x0, x1, lsl 3
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b 2f
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1: ldr x3, [x0], 8
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add x2, x2, x3
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2: cmp x0, x1
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blt 1b
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mov x0, x2
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ret
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.end
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