e406994e31
Another problem in pr110625_[24].c was that the latency calculations were ignoring VEC_PERM_EXPRs that had no associated stmt_vec_info. Such VEC_PERM_EXPRs are common and expected for SLP these days. After this change, the number of general ops in the testcases seems to be accurate apart from one remaining detail: we assume that the extension in a permuted extending load is free, even though the extension happens after the permutation. Fixing that would require more information from the vectoriser and so isn't GCC 15 material. It also should cease to be a problem if we do end up moving the permutation to its own node, rather than keeping it as part of the load. gcc/ PR target/116901 * config/aarch64/aarch64.cc (aarch64_vector_costs::count_ops): Allow stmt_info to be null. (aarch64_vector_costs::add_stmt_cost): Call count_ops even if stmt_info is null. |
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