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[Bug rtl-optimization/38583] huge test case makes register allocator run out of memory while constructing the conflict graph
- 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: 3 Jan 2009 17:23:56 -0000
- Subject: [Bug rtl-optimization/38583] huge test case makes register allocator run out of memory while constructing the conflict graph
- References: <bug-38583-6642@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from steven at gcc dot gnu dot org 2009-01-03 17:23 -------
I agree with Vlad, this is not a regression.
It'd still be nice if you can figure out a way to make this work, Vlad. It is
possible, perhaps, to split huge basic blocks up in chunks (e.g. separate basic
blocks or regions) and allocate the chunks separately?
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[4.4 Regression] ira memory |huge test case makes
|explosion |register allocator run out
| |of memory while constructing
| |the conflict graph
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38583