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Author SHA1 Message Date
Max Filippov 7f709ce739 target/xtensa: import libisa source
The canonical way of dealing with Xtensa instructions decoding and
encoding is through the libisa. Libisa is a configuration-independent
library with a stable interface plus generated configuration-specific
xtensa-modules.c file with implementations of decoding and encoding
functions. Libisa is MIT-licensed and originally disributed
xtensa-modules.c files are also MIT-licensed and are available as a
part of xtensa configuration overlay.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2017-12-18 21:26:19 -08:00