target/xtensa: use libisa for instruction decoding

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Replace manual opcode analysis with libisa-based code. This makes it
possible to support variable-encoding instructions of the core ISA, like
const16, and will allow to support advanced Xtensa features, like FLIX
and TIE.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

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Max Filippov 2017-11-03 19:44:46 -07:00

parent 502d0f361b

commit 33071f6888

3 changed files with 128 additions and 2148 deletions

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target/xtensa/translate.c

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