[Bug tree-optimization/15678] [3.5 Regression] Compilation time increased by 10-20%

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-06-28 07:56 -------
Just to get a feel for what we have done in the recent years:
tin:~/src/gnu/gcctest>time ~/ia32_linux_gcc3_0/bin/gcc -S pr15678.c
8.570u 0.300s 0:09.59 92.4%     0+0k 0+0io 543pf+0w
tin:~/src/gnu/gcctest>time ~/ia32_linux_gcc3_2/bin/gcc -S pr15678.c
9.040u 0.260s 0:09.93 93.6%     0+0k 0+0io 575pf+0w
tin:~/src/gnu/gcctest>time ~/ia32_linux_gcc3_3/bin/gcc -S pr15678.c
6.390u 0.800s 0:08.29 86.7%     0+0k 0+0io 595pf+0w

>From 3.0.4 to 3.2.3 we regressioned and then sped up again.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15678