Richard, On Wed, 3 Nov 2021 at 10:08, Richard Sandiford <richard.sandif...@arm.com> wrote: > > Philipp Tomsich <philipp.toms...@vrull.eu> writes: > > This adds support and a basic tuning model for the Ampere Computing > > "Ampere-1" CPU. > > > > The Ampere-1 implements the ARMv8.6 architecture in A64 mode and is > > modelled as a 4-wide issue (as with all modern micro-architectures, > > the chosen issue rate is a compromise between the maximum dispatch > > rate and the maximum rate of uops issued to the scheduler). > > > > This adds the -mcpu=ampere1 command-line option and the relevant cost > > information/tuning tables for the Ampere-1. > > > > gcc/ChangeLog: > > > > * config/aarch64/aarch64-cores.def (AARCH64_CORE): New Ampere-1 > > core. > > * config/aarch64/aarch64-tune.md: Regenerate. > > * config/aarch64/aarch64-cost-tables.h: Add extra costs for > > Ampere-1. > > * config/aarch64/aarch64.c: Add tuning structures for Ampere-1. > > OK, thanks.
Would this be eligible for a backport to gcc-11 as well to ensure commandline-compatibility? Thanks, Philipp.
