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gcc/ChangeLog: * config/loongarch/constraints.md: Disable k on LA32. * config/loongarch/loongarch.md (*and<mode>3): Delete. (*and<mode>3_extend): New. (zero_extend<SHORT:mode><GPR:mode>2_la32r): New. (extend<SHORT:mode><GPR:mode>2_la32r): New. (extendqihi2_la32r): New. (*movdi_32bit): Remove not working split, use existing loongarch_split_move instead. (move_doubleword_2_<mode>): New. (load_low<mode>): New. (load_high<mode>): New. (store_word<mode>): New. (movgr2frh<mode>): New. (movfrh2gr<mode>): New. * config/loongarch/predicates.md: Disable low_bitmask_operand and ins_zero_bitmask_operand on LA32. Enable const_call_insn_operand on LA32. * config/loongarch/sync.md (atomic_<amop><mode>): Change to define_expand. (la64_atomic_<amop><mode>): New. (la32_atomic_<amop>si): New. (atomic_fetch_<amop><mode>): Change to define_expand. (la64_atomic_fetch_<amop><mode>): New. (la32_atomic_fetch_<amop>si): New. (atomic_exchange<mode>): Change to define_expand. (la64_atomic_exchange<mode>): New. (la32_atomic_exchangesi): New. Co-authored-by: Jiajie Chen <c@jia.je> Reviewed-by: Xi Ruoyao <xry111@xry111.site> Reviewed-by: Lulu Cheng <chenglulu@loongson.cn>
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