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[Bug c++/37592] compiler gives up optimizing even on 64bit systems (GCSE disabled, jump bypassing disabled)
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Sep 2008 20:41:58 -0000
- Subject: [Bug c++/37592] compiler gives up optimizing even on 64bit systems (GCSE disabled, jump bypassing disabled)
- References: <bug-37592-15371@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2008-09-19 20:41 -------
Also it is not just about memory but also compile time. GCSE (PRE) is O(BBs *
Regs).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37592