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

[colin.king at intel dot com via Gcc-bugs]

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

--- Comment #4 from Colin Ian King  ---
Created attachment 58162
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58162=edit
perf output for gcc-14 compiled code

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

[colin.king at intel dot com via Gcc-bugs]

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

--- Comment #3 from Colin Ian King  ---
Created attachment 58161
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58161=edit
perf output for gcc-13 compiled code

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

[colin.king at intel dot com via Gcc-bugs]

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

--- Comment #2 from Colin Ian King  ---
Created attachment 58160
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58160=edit
gcc-14 disassembly

gcc-14 disassembly

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

[colin.king at intel dot com via Gcc-bugs]

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

--- Comment #1 from Colin Ian King  ---
Created attachment 58159
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58159=edit
gcc-13 disassembly

gcc-13 disassembly