Hi Honza,
The performance regression still exists. For exchange2, the performance
is about 28% slower for option:
"-fprofile-generate/-fprofile-use --param ipa-cp-eval-threshold=0 --param
ipa-cp-unit-growth=80 -fno-inline".
r278808:
commit ad06966f6677d55c11214d9c7b6d5518f915e341
Author: hubicka
Ping,
attachment of
https://gcc.gnu.org/ml/gcc-patches/2020-01/msg00764/exchange2.tar.gz
shows the profile count difference on cloned nodes digits_2.constprop.[0...8]
without/with this patch. Thanks!
Xiong Hu
On 2020/1/14 14:45, luoxhu wrote:
> Hi,
>
> On 2020/1/3 00:58, Jan Hubicka wrote:
>
