55 lines
1.2 KiB
ArmAsm
55 lines
1.2 KiB
ArmAsm
# expected: 000001BC, 000002BC, 000003BC, 00000AC, 00000AC
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.text
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_start:
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li x5, 0x0
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# case1: not equal -> should not jump -> write 0x1BC
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add x1, x0, 0x00A
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add x2, x0, 0x00B
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beq x1, x2, case1_skip
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add x31, x0, 0x1BC
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case1_skip:
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# case2: equal -> should jump -> write 0x2BC
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add x1, x0, 0x1BC
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add x2, x0, 0x1BC
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beq x1, x2, case2_target
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add x31, x0, 0x3BC
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case2_target:
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add x31, x0, 0x2BC
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back_label:
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bne x5, x0, back_label_flagged
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add x1, x0, 0x000
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add x2, x0, 0x001
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add x31, x0, 0x3BC
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jal x0, back_label_cont
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back_label_flagged:
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add x31, x0, 0x0BC
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add x5, x0, 0x0
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jal x0, after_backward
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back_label_cont:
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# case3: zero equality -> should jump -> write 0x4BC
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add x1, x0, 0x000
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add x2, x0, 0x000
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beq x1, x2, case3_target
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add x31, x0, 0x5BC
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case3_target:
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# set flag and branch backwards to test negative offset
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add x5, x0, 0x1
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add x1, x0, 0x002
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add x2, x0, 0x001
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beq x1, x2, back_label
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# same-register: always equal -> should jump -> write 0x0AC
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add x1, x0, 0x00A
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beq x1, x1, same_reg_target
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add x31, x0, 0x6BC
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same_reg_target:
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add x31, x0, 0x0AC
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after_backward:
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# final marker
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add x31, x0, 0x0AC
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