ARMssembly 4

ARMssembly_4/chall_4.S

@@ -0,0 +1,180 @@
+	.arch armv8-a
+	.file	"chall_4.c"
+	.text
+	.align	2
+	.global	func1
+	.type	func1, %function
+func1:
+	stp	x29, x30, [sp, -32]!
+	add	x29, sp, 0
+	str	w0, [x29, 28]
+	ldr	w0, [x29, 28]
+	cmp	w0, 100
+	bls	.L2
+	ldr	w0, [x29, 28]
+	add	w0, w0, 100
+	bl	func2
+	b	.L3
+.L2:
+	ldr	w0, [x29, 28]
+	bl	func3
+.L3:
+	ldp	x29, x30, [sp], 32
+	ret
+	.size	func1, .-func1
+	.align	2
+	.global	func2
+	.type	func2, %function
+func2:
+	stp	x29, x30, [sp, -32]!
+	add	x29, sp, 0
+	str	w0, [x29, 28]
+	ldr	w0, [x29, 28]
+	cmp	w0, 499
+	bhi	.L5
+	ldr	w0, [x29, 28]
+	sub	w0, w0, #86
+	bl	func4
+	b	.L6
+.L5:
+	ldr	w0, [x29, 28]
+	add	w0, w0, 13
+	bl	func5
+.L6:
+	ldp	x29, x30, [sp], 32
+	ret
+	.size	func2, .-func2
+	.align	2
+	.global	func3
+	.type	func3, %function
+func3:
+	stp	x29, x30, [sp, -32]!
+	add	x29, sp, 0
+	str	w0, [x29, 28]
+	ldr	w0, [x29, 28]
+	bl	func7
+	ldp	x29, x30, [sp], 32
+	ret
+	.size	func3, .-func3
+	.align	2
+	.global	func4
+	.type	func4, %function
+func4:
+	stp	x29, x30, [sp, -48]!
+	add	x29, sp, 0
+	str	w0, [x29, 28]
+	mov	w0, 17
+	str	w0, [x29, 44]
+	ldr	w0, [x29, 44]
+	bl	func1
+	str	w0, [x29, 44]
+	ldr	w0, [x29, 28]
+	ldp	x29, x30, [sp], 48
+	ret
+	.size	func4, .-func4
+	.align	2
+	.global	func5
+	.type	func5, %function
+func5:
+	stp	x29, x30, [sp, -32]!
+	add	x29, sp, 0
+	str	w0, [x29, 28]
+	ldr	w0, [x29, 28]
+	bl	func8
+	str	w0, [x29, 28]
+	ldr	w0, [x29, 28]
+	ldp	x29, x30, [sp], 32
+	ret
+	.size	func5, .-func5
+	.align	2
+	.global	func6
+	.type	func6, %function
+func6:
+	sub	sp, sp, #32
+	str	w0, [sp, 12]
+	mov	w0, 314
+	str	w0, [sp, 24]
+	mov	w0, 1932
+	str	w0, [sp, 28]
+	str	wzr, [sp, 20]
+	str	wzr, [sp, 20]
+	b	.L14
+.L15:
+	ldr	w1, [sp, 28]
+	mov	w0, 800
+	mul	w0, w1, w0
+	ldr	w1, [sp, 24]
+	udiv	w2, w0, w1
+	ldr	w1, [sp, 24]
+	mul	w1, w2, w1
+	sub	w0, w0, w1
+	str	w0, [sp, 12]
+	ldr	w0, [sp, 20]
+	add	w0, w0, 1
+	str	w0, [sp, 20]
+.L14:
+	ldr	w0, [sp, 20]
+	cmp	w0, 899
+	bls	.L15
+	ldr	w0, [sp, 12]
+	add	sp, sp, 32
+	ret
+	.size	func6, .-func6
+	.align	2
+	.global	func7
+	.type	func7, %function
+func7:
+	sub	sp, sp, #16
+	str	w0, [sp, 12]
+	ldr	w0, [sp, 12]
+	cmp	w0, 100
+	bls	.L18
+	ldr	w0, [sp, 12]
+	b	.L19
+.L18:
+	mov	w0, 7
+.L19:
+	add	sp, sp, 16
+	ret
+	.size	func7, .-func7
+	.align	2
+	.global	func8
+	.type	func8, %function
+func8:
+	sub	sp, sp, #16
+	str	w0, [sp, 12]
+	ldr	w0, [sp, 12]
+	add	w0, w0, 2
+	add	sp, sp, 16
+	ret
+	.size	func8, .-func8
+	.section	.rodata
+	.align	3
+.LC0:
+	.string	"Result: %ld\n"
+	.text
+	.align	2
+	.global	main
+	.type	main, %function
+main:
+	stp	x29, x30, [sp, -48]!
+	add	x29, sp, 0
+	str	w0, [x29, 28]
+	str	x1, [x29, 16]
+	ldr	x0, [x29, 16]
+	add	x0, x0, 8
+	ldr	x0, [x0]
+	bl	atoi
+	str	w0, [x29, 44]
+	ldr	w0, [x29, 44]
+	bl	func1
+	mov	w1, w0
+	adrp	x0, .LC0
+	add	x0, x0, :lo12:.LC0
+	bl	printf
+	nop
+	ldp	x29, x30, [sp], 48
+	ret
+	.size	main, .-main
+	.ident	"GCC: (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0"
+	.section	.note.GNU-stack,"",@progbits