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[Bug rtl-optimization/20945] about 2x perfomance regression in comparision with 3.4.2
- 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: 25 Jun 2005 11:36:18 -0000
- Subject: [Bug rtl-optimization/20945] about 2x perfomance regression in comparision with 3.4.2
- References: <20050411131719.20945.denis.nagorny@intel.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From steven at gcc dot gnu dot org 2005-06-25 11:36 -------
Speculation is not going to help anyone. What does the generated code
look like for 3.4.2, 4.0.0 and CVS HEAD? Bonus points for annotated
assembly output so that it is easier to interpret the results.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20945