https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #11 from CVS Commits ---
The master branch has been updated by Martin Liska :
https://gcc.gnu.org/g:dc65aba7a4725d1b464c8c64a5f739ee910e8943
commit r11-2422-gdc65aba7a4725d1b464c8c64a5f739ee910e8943
Author: Martin Liska
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #12 from CVS Commits ---
The releases/gcc-10 branch has been updated by Martin Liska
:
https://gcc.gnu.org/g:809b4d226c7f5ded392a88ffafe8d652f911b473
commit r10-8554-g809b4d226c7f5ded392a88ffafe8d652f911b473
Author: Martin Liska
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #10 from Martin Liška ---
And this is for znver2:
AMD EPYC 7502P 32-Core Processor
64-bit:
memcpy
block size libcall rep1noalg rep4noalg rep8noalg loop
noalg unrlnoalg sse noalg bytePGO
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #9 from Uroš Bizjak ---
(In reply to Alexander Monakov from comment #8)
> There's no tuning tables for memcmp at all, existing structs cover only
> memset and memcpy. So as far as I see retuning memset/memcpy doesn't need to
> wait
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #8 from Alexander Monakov ---
There's no tuning tables for memcmp at all, existing structs cover only memset
and memcpy. So as far as I see retuning memset/memcpy doesn't need to wait for
[1], because there's no infrastructure in
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
Uroš Bizjak changed:
What|Removed |Added
CC||hjl.tools at gmail dot com
--- Comment #7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #6 from Martin Liška ---
All right, there are results for a micro-benchmark that we have in contrib
folder:
ZNVER1 (AMD Ryzen 7 2700X):
64-bit:
contrib/bench-stringop 64 32000 gcc -march=znver1
memcpy
block size libcall
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
Last
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
Alexander Monakov changed:
What|Removed |Added
CC||amonakov at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #4 from Jan ---
Sorry bad wording on my site. I meant the code is getting slower with znver2.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
Marc Glisse changed:
What|Removed |Added
Target||x86-*-*
--- Comment #3 from Marc Glisse
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #2 from Jan ---
Created attachment 48643
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48643=edit
source code
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95435
--- Comment #1 from Jan ---
Created attachment 48642
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48642=edit
gcc -g -m32 -march=skylake -O1 -s testmem_modified.c -o tm32
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