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Per clarification in [1], macro is supposed to check for partial clobbering of single HW registers. Since PRU declares only 8-bit HW registers, and ABI does not define individual bit clobbering, it is safe to remove the implementation. [1] https://gcc.gnu.org/ml/gcc-patches/2019-09/msg00778.html gcc/ChangeLog: 2020-05-05 Dimitar Dimitrov <dimitar@dinux.eu> * config/pru/pru.c (pru_hard_regno_call_part_clobbered): Remove. (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Remove. Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
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