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authorPavel Pisa <pisa@cmp.felk.cvut.cz>2019-03-10 18:54:35 +0100
committerPavel Pisa <pisa@cmp.felk.cvut.cz>2019-03-10 18:54:35 +0100
commit596bb6231115aa29cde804c27c899afb4cf03a25 (patch)
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Fix program end by exception if divisor is zero for div instruction.
Problem reported by Jakub Broz. Correct behaviour according to MIPS Architecture for Programmers Volume II-A: The MIPS32 Instruction Set Manual which describes DIV instruction Format: DIV rs, rt No arithmetic exception occurs under any circumstances. Restrictions: If the divisor in GPR rt is zero, the arithmetic result value is UNPREDICTABLE. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
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