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We found that when only 128-bit vectorization was enabled, 549.fotonik3d_r failed to vectorize effectively. For this reason, we adjust the cost of 128-bit vector_stmt that match the multiply-add pattern to facilitate 128-bit vectorization. The experimental results show that after the modification, 549.fotonik3d_r performance can be improved by 9.77% under the 128-bit vectorization option. gcc/ChangeLog: * config/loongarch/loongarch.cc (loongarch_multiply_add_p): New. (loongarch_vector_costs::add_stmt_cost): Adjust. gcc/testsuite/ChangeLog: * gfortran.dg/vect/vect-10.f90: New test. |
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