[Bug target/115024] [14/15 regression] 128 bit division performance regression, x86, between gcc-14 and gcc-13 using target clones on skylake platform

[haochen.jiang at intel dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115024

Haochen Jiang <haochen.jiang at intel dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |haochen.jiang at intel dot com

--- Comment #5 from Haochen Jiang <haochen.jiang at intel dot com> ---
>From my test, trunk only has <1% regression if I calculated right.

[haochenj@shgcc101 ~]$ ./13.exe
1240.97 div128 ops per sec
[haochenj@shgcc101 ~]$ ./13.exe
1235.78 div128 ops per sec
[haochenj@shgcc101 ~]$ ./13.exe
1236.95 div128 ops per sec

[haochenj@shgcc101 ~]$ ./trunk.exe
1228.43 div128 ops per sec
[haochenj@shgcc101 ~]$ ./trunk.exe
1227.11 div128 ops per sec
[haochenj@shgcc101 ~]$ ./trunk.exe
1225.42 div128 ops per sec