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https://github.com/pkivolowitz/asm_book.git
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38 lines
862 B
ArmAsm
38 lines
862 B
ArmAsm
.global main
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.text
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.align 2
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counter .req x20
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dptr .req x21
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fptr .req x22
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.equ max, 4
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main: stp counter, x30, [sp, -16]!
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stp dptr, fptr, [sp, -16]!
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ldr dptr, =d
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ldr fptr, =f
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mov counter, xzr
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1: cmp counter, max
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beq 2f
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ldr d0, [dptr, counter, lsl 3]
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ldr s1, [fptr, counter, lsl 2]
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fcvt d1, s1
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ldr x0, =fmt
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add counter, counter, 1
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mov x1, counter
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bl printf
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b 1b
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2: ldp dptr, fptr, [sp], 16
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ldp counter, x30, [sp], 16
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mov w0, wzr
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ret
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.data
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fmt: .asciz "%d %f %f\n"
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d: .double 1.111111, 2.222222, 3.333333, 4.444444
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f: .float 1.111111, 2.222222, 3.333333, 4.444444
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.end
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