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UltraSPARC User's Manual
10.
Some ASIs must be used with specific types of loads and stores; for example, block ASIs can be used only with
LDDFA/STDFA. When these ASIs are used with incorrect opcodes, they do not take
traps for memory and register alignment required by the ASI. For example, block ASIs require
illegal_instruction
64-byte alignment, but an LDFA opcode with a block ASI checks only for 4-byte alignment.
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160
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or
mem_address_not_aligned
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