https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79262
--- Comment #8 from Wilco <wilco at gcc dot gnu.org> --- Author: wilco Date: Tue Nov 19 15:57:54 2019 New Revision: 278452 URL: https://gcc.gnu.org/viewcvs?rev=278452&root=gcc&view=rev Log: [AArch64] PR79262: Adjust vector cost PR79262 has been fixed for almost all AArch64 cpus, however the example is still vectorized in a few cases, resulting in lower performance. Adjust the vector cost slightly so that so that -mcpu=cortex-a53 now has identical performance as -mcpu=cortex-a57 on libquantum. gcc/ PR target/79262 * config/aarch64/aarch64.c (generic_vector_cost): Adjust vec_to_scalar_cost. Modified: trunk/gcc/ChangeLog trunk/gcc/config/aarch64/aarch64.c
