[Bug tree-optimization/18687] [4.0/4.1 Regression] ~50% compile time regression

[belyshev at depni dot sinp dot msu dot ru]

------- Additional Comments From belyshev at depni dot sinp dot msu dot ru  2005-08-17 16:10 -------
        3.4.5   4.0.2   4.1.0           3.4->4.0 (%)    4.0->4.1 (%)

hashes100.c:

O0      1.56    1.59    1.57            2.2            -1.4
O1      2.54    4.23    4.49           66.              6.1
O2      4.43    6.29    6.56           42.              4.4
O3      4.74    6.33    6.66           34.              5.1

infcodes100.c:

O0      3.21    3.69    3.67           15.             -0.64
O1      4.68    7.06    7.72           51.              9.3
O2      8.01    9.84   10.86           23.             10.
O3      8.45    9.94   10.95           18.             10.


Note this is a different machine than in my previous comments (2GHz k8 with
1024K of L2 cache in 64bit mode, previous was 1GHz k7 with 64K of L2).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687