55 lines
1.3 KiB
ArmAsm
55 lines
1.3 KiB
ArmAsm
.text
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_start:
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li x2, 0xdead0 # +912080
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li x3, 0 # zero
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li x4, 1 # one
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li x5, -1 # -1
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li x6, 0xdead0 # duplicate of x2
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li x7, -2355 # negative
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li x8, 123456 # positive
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li x9, -765432 # negative
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li x10, 0x7fffffffffffffff # max positive 64b
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li x11, 0x8000000000000000 # min negative 64b
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# --------------------------------------------------------------
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# 1. MUL : a * 0
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mul x31, x2, x3
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# expected: 0000000000000000
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# 2. MUL : a * 1
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mul x31, x2, x4
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# expected: 00000000000dead0
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# 3. MUL : a * a
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mul x31, x2, x6
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# expected: 0000000c1b080e900
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# 4. MUL : -1 * a
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mul x31, x5, x2
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# expected: -00000000000dead0
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# 5. MUL : negative * negative
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mul x31, x7, x7
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# expected: 000000000054a029
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# 6. MUL : negative * positive
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mul x31, x7, x8
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# expected: -00000000115452c0
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# 7. MUL : positive * negative
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mul x31, x8, x9
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# expected: -0000001600786e00
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# 8. MUL : overflow example (max * 2)
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li x12, 2
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mul x31, x10, x12
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# expected: fffffffffffffffe
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# 9. MUL : max * max
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mul x31, x10, x10
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# expected: 0000000000000001
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# 10. MUL : min * min
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mul x31, x11, x11
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# expected: 0000000000000000
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