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2011-09-10target-xtensa: implement shifts (ST1 and RST1 groups)Max Filippov
- ST1: SAR (shift amount special register) manipulation, NSA(U); - RST1: shifts, 16-bit multiplication. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-09-10target-xtensa: implement disas_xtensa_insnMax Filippov
Set up disas_xtensa_insn switch structure, mark required options on high level groups. Implement arithmetic/bit logic/jump/call0. Implement code generation loop with single step/breakpoint checking. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-09-10target-xtensa: add target stubsMax Filippov
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>