https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80960
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Without --param max-combine-insns=2
alias stmt walking : 10.98 ( 7%) usr 0.13 (12%) sys 11.14 ( 7%) wall
3 kB ( 0%) ggc
dead store elim2 : 9.57 ( 6%) usr 0.00 ( 0%) sys 9.57 ( 6%) wall
1828350 kB (39%) ggc
combiner : 112.26 (68%) usr 0.51 (49%) sys 112.81 (68%) wall
2708049 kB (57%) ggc
integrated RA : 7.98 ( 5%) usr 0.03 ( 3%) sys 8.00 ( 5%) wall
34845 kB ( 1%) ggc
LRA hard reg assignment : 14.58 ( 9%) usr 0.06 ( 6%) sys 14.65 ( 9%) wall
0 kB ( 0%) ggc
TOTAL : 165.76 1.05 166.87
4733927 kB