https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #13 from CVS Commits ---
The releases/gcc-9 branch has been updated by Xiong Hu Luo
:
https://gcc.gnu.org/g:48354138267e0682f61866003b67a9851d3be3a2
commit r9-9307-g48354138267e0682f61866003b67a9851d3be3a2
Author: Xionghu Luo
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #12 from CVS Commits ---
The releases/gcc-10 branch has been updated by Xiong Hu Luo
:
https://gcc.gnu.org/g:52eacca2455f7468d7ddb990259e8583028c5185
commit r10-9541-g52eacca2455f7468d7ddb990259e8583028c5185
Author: Xionghu Luo
Dat
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
luoxhu at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #10 from Segher Boessenkool ---
GCC 11 stage 4 will be fine.
I doubt you can ever measure a difference, but you can try :-)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
luoxhu at gcc dot gnu.org changed:
What|Removed |Added
CC||luoxhu at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #8 from Segher Boessenkool ---
The default -mcpu= for a compiler targeting powerpc64le-linux is
normally power8 (you can change this with the --with-cpu= configure
option though). -mcpu=powerpc64le is also (currently) equal to
-mcpu=
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #7 from Kip Warner ---
So it looks like even with GCC 11 in trunk it's still sometimes wrong on
power9.
Wrong L2 cache size when no -mcpu specified:
$ gcc -Q --help=param | grep -i cache
--param=l1-cache-line-size= 128
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #6 from Kip Warner ---
Created attachment 49333
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49333&action=edit
Autoconf configuration log on POWER9.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #5 from Segher Boessenkool ---
So both the cache line size and the cache size are wrong for GCC 10
and before, but okay on trunk, on all compiler I tested (I tested on
Linux only so far).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #4 from Kip Warner ---
I'm going to do some more testing tonight and report back after.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
Segher Boessenkool changed:
What|Removed |Added
Last reconfirmed||2020-10-08
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
--- Comment #2 from Kip Warner ---
Sorry, not same issue. It appears as though this was fixed in gcc-11.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97329
Kip Warner changed:
What|Removed |Added
Version|10.2.0 |11.0
--- Comment #1 from Kip Warner ---
Ju
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