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H A Driscv.c3de1fb712a072992d72bc99c2b70978132ee44d0 Fri Jan 20 15:15:51 UTC 2023 Philipp Tomsich <philipp.tomsich@vrull.eu> target/riscv: update disas.c for xnor/orn/andn and slli.uw

The decoding of the following instructions from Zb[abcs] currently
contains decoding/printing errors:
* xnor,orn,andn: the rs2 operand is not being printed
* slli.uw: decodes and prints the immediate shift-amount as a
register (e.g. 'shift-by-2' becomes 'sp') instead of
interpreting this as an immediate

This commit updates the instruction descriptions to use the
appropriate decoding/printing formats.

Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230120151551.1022761-1-philipp.tomsich@vrull.eu>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>