Philippe Mathieu-Daudé aac357ec89 target/mips: Convert Rel6 Special2 opcode to decodetree
Special2 opcode have been removed from the Release 6.

Add a single decodetree entry for all the opcode class,
triggering Reserved Instruction if ever used.

Remove unreachable check_insn_opc_removed() call.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201208203704.243704-7-f4bug@amsat.org>
2021-01-14 17:13:53 +01:00
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