decode: Start moving towards decoding by major opcode first

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With this, we have a table for most major opcodes and separate
tables for each major opcode that has further decoding required.
These tables are still mostly indexed by the ppc_insn_t values,
however.

A few things are still decoded completely at the top level: nop,
attn and sim_config.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

pull/78/head

Paul Mackerras 5 years ago

parent c9e92483b8

commit e30a87593a

1 changed files with 313 additions and 380 deletions

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