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Opcodes that modify WINDOW_BASE SR don't have dependency on opcodes that use windowed registers. If such opcodes are combined in a single instruction they may not be correctly ordered. Instead of adding said dependency use temporary register to store changed WINDOW_BASE value and do actual register window rotation as a postprocessing step. Not all opcodes that change WINDOW_BASE need this: retw, rfwo and rfwu are also jump opcodes, so they are guaranteed to be translated last and thus will not affect other opcodes in the same instruction. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> |
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