[Bug target/97329] POWER9 default cache and line sizes appear to be wrong

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329

--- Comment #13 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Xiong Hu Luo
<luo...@gcc.gnu.org>:

https://gcc.gnu.org/g:48354138267e0682f61866003b67a9851d3be3a2

commit r9-9307-g48354138267e0682f61866003b67a9851d3be3a2
Author: Xionghu Luo <luo...@linux.ibm.com>
Date:   Wed Mar 24 23:45:58 2021 -0500

    rs6000: Correct Power8 cost of l2 cache size [PR97329]

    This patch is a backport to gcc 9 from master.
    L2 cache size for Power8 is 512kB, it was copied from Power7 before
    public.  Tested no performance change for SPEC2017.

    gcc/
    2021-03-25  Xionghu Luo  <luo...@linux.ibm.com>

            PR target/97329
            * config/rs6000/rs6000.c (power8_costs): Change l2 cache
            from 256 to 512.

    (cherry picked from commit 08103e4d6ada9b57366f2df2a2b745babfab914c)