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This patch makes the AArch64 vector code use its own vector costs structure, rather than just using the default unsigned[3]. Unfortunately, it's not easy to make this change specific to use_new_vector_costs, so this part is one that affects all CPUs. The change is relatively mechanical though. gcc/ * config/aarch64/aarch64.c (aarch64_vector_costs): New structure. (aarch64_init_cost): New function. (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of the default unsigned[3]. (aarch64_finish_cost, aarch64_destroy_cost_data): New functions. (TARGET_VECTORIZE_INIT_COST): Override. (TARGET_VECTORIZE_FINISH_COST): Likewise. (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
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