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89bec9e911
Currently topologic opcode sorting stops at the first detected dependency loop. Introduce struct opcode_arg_copy that describes temporary register copy. Scan remaining opcodes searching for dependencies that can be broken, break them by introducing temporary register copies and record them in an array. In case of success create local temporaries and initialize them with current register values. Share single temporary copy between all register users. Delete temporaries after translation. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> |
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