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PR target/50457 * config/sh/sh.c (parse_validate_atomic_model_option): Handle name strings in sh_atomic_model. * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Move macro implementation to ... * config/sh/sh-c.c (sh_cpu_cpp_builtins): ... this new function. Add __SH1__ and __SH2__ defines. Add __SH_ATOMIC_MODEL_*__ define. * config/sh/sh-protos.h (sh_atomic_model): Add name and cdef_name variables. (sh_cpu_cpp_builtins): Declare new function. PR target/50457 * config/sh/linux-atomic.S: Delete. * config/sh/linux-atomic.c: New. * config/sh/t-linux (LIB2ADD): Replace linux-atomic.S with linux-atomic.c. Add cflags to disable warnings. From-SVN: r192051
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