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authorLIU Zhiwei <zhiwei_liu@c-sky.com>2022-01-20 20:20:47 +0800
committerAlistair Francis <alistair.francis@wdc.com>2022-01-21 15:52:57 +1000
commitd8c40c24fd5276536a95052ab35763c21def6f01 (patch)
treed467899a4db1bd079ca4a3848663e88c44490477 /scripts/check_sparse.py
parentd6b9d9302342fc273441811b43dd42dbd3b799e0 (diff)
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target/riscv: Adjust scalar reg in vector with XLEN
When sew <= 32bits, not need to extend scalar reg. When sew > 32bits, if xlen is less that sew, we should sign extend the scalar register, except explicitly specified by the spec. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220120122050.41546-21-zhiwei_liu@c-sky.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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