[Bug rtl-optimization/115932] [15 Regression] performance regression after r15-1619-g3b9b8d6cfdf593

[hp at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115932

--- Comment #2 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> I wonder if reapplying the fix for PR 116028 will improve the situtation
> here.

No.

Baseline: 
 r15-7318-gdd6247cb8fc1 coremark cycles:
4897981

 (Re-)applying 3c67a0fa1dd39a3378d and passing -flate-combine-instructions:
5033977

Re-applying that commit made very little change both with and without
-flate-combine-instructions.