[Bug target/105157] [12 Regression] compile-time regressions with generic tuning since r12-7756-g27d8748df59fe6

["marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105157

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |avieira at gcc dot gnu.org,
                   |                            |tnfchris at gcc dot gnu.org

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
Good revision:

$ time ./xg++ -B. /home/marxin/Programming/testcases/cactu.ii -S -Ofast

real    0m12.084s
user    0m11.892s
sys     0m0.192s

    14.49%  cc1plus   cc1plus               [.] find_hard_regno_for_1
     5.68%  cc1plus   cc1plus               [.] find_base_term
     3.83%  cc1plus   cc1plus               [.] bitmap_clear_bit
     2.98%  cc1plus   cc1plus               [.] bitmap_set_bit
     2.57%  cc1plus   libc.so.6             [.] __memset_avx2_unaligned_erms
     2.51%  cc1plus   cc1plus               [.] build_object_conflicts
     2.47%  cc1plus   cc1plus               [.] rtx_equal_for_memref_p

Bad revision:

$ time ./xg++ -B. /home/marxin/Programming/testcases/cactu.ii -S -Ofast

real    0m17.969s
user    0m17.772s
sys     0m0.196s

    16.92%  cc1plus  cc1plus               [.] find_hard_regno_for_1
     8.67%  cc1plus  cc1plus               [.] find_base_term
     4.26%  cc1plus  cc1plus               [.] rtx_equal_for_memref_p
     3.85%  cc1plus  cc1plus               [.] memrefs_conflict_p
     2.92%  cc1plus  cc1plus               [.] find_base_term
     2.74%  cc1plus  cc1plus               [.] build_object_conflicts
     2.67%  cc1plus  cc1plus               [.] true_dependence_1