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rs6000: Correct Power8 cost of l2 cache size [PR97329]
authorXionghu Luo <luoxhu@linux.ibm.com>
Thu, 25 Mar 2021 04:45:58 +0000 (23:45 -0500)
committerXionghu Luo <luoxhu@linux.ibm.com>
Thu, 25 Mar 2021 04:57:34 +0000 (23:57 -0500)
commit48354138267e0682f61866003b67a9851d3be3a2
tree4434add7e07ad2d36477527f8ba6e997fadcd787tree
parent22f1368100753d4e1e46815c2134adee41ffd33dcommit | diff
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  <luoxhu@linux.ibm.com>

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

(cherry picked from commit 08103e4d6ada9b57366f2df2a2b745babfab914c)
gcc/config/rs6000/rs6000.c diff | blob | blame | history
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