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Re: c++/5504: Optimization breaks wei-ku-1 from blitz
- From: jakub at gcc dot gnu dot org
- To: gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, nobody at gcc dot gnu dot org, schmid at snake dot iap dot physik dot tu-darmstadt dot de
- Date: 21 Mar 2002 15:12:53 -0000
- Subject: Re: c++/5504: Optimization breaks wei-ku-1 from blitz
- Reply-to: jakub at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, nobody at gcc dot gnu dot org, schmid at snake dot iap dot physik dot tu-darmstadt dot de, gcc-gnats at gcc dot gnu dot org
Synopsis: Optimization breaks wei-ku-1 from blitz
State-Changed-From-To: feedback->analyzed
State-Changed-By: jakub
State-Changed-When: Thu Mar 21 07:12:52 2002
State-Changed-Why:
I tried to simplify this, but only managed to cut it down
from ~2M to ~1.5M so far.
Anyway, it seems like gcc 3.1 up to 20011127 inclusive
eat ~ 36MB of memory on this while 20011231 snapshot
takes already ~ 250MB at optimize_sibling_and_tail_recursive_calls
time.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5504