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[Bug rtl-optimization/19097] [3.4/4.0/4.1/4.2 regression] Quadratic behavior with many sets for the same register in gcse CPROP
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Jan 2006 18:16:06 -0000
- Subject: [Bug rtl-optimization/19097] [3.4/4.0/4.1/4.2 regression] Quadratic behavior with many sets for the same register in gcse CPROP
- References: <bug-19097-7737@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #32 from steven at gcc dot gnu dot org 2006-01-08 18:16 -------
I have bootstrapped 4.0 and 4.1 and re-timed:
GCC 4.0 0m38.118s
GCC 4.1 0m51.059s
The distribution of the compile time is not significantly different from the
timings of the -O0 compilers.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19097