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Re: Machine-dependent bits for GC
- To: mark at codesourcery dot com (Mark Mitchell)
- Subject: Re: Machine-dependent bits for GC
- From: Joern Rennecke <amylaar at cygnus dot co dot uk>
- Date: Tue, 7 Sep 1999 20:00:34 +0100 (BST)
- Cc: Michael_K_Collison at iassoc dot ultranet dot com, gcc at gcc dot gnu dot org
> We're using a non-conservative collector. (At the moment, a slow,
> simple one. Alex Samuel is writing a faster, not so simple one.) The
> collector is guaranteed to be run only after every optimization pass
> in the GCC back-end. (We might add additional calls at various places
> in the front-end, later.) At each of these collections, the collector
> will collect all data not reachable from a "root"; each root must be
> registered with the collector.
cse sometimes is a real memory hog. It would be useful to do GC in every
invokation of cse_basic_block.