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RE: [tree-ssa] vectorizer related issues
- From: "S. Bosscher" <S dot Bosscher at student dot tudelft dot nl>
- To: 'Dorit Naishlos ' <DORIT at il dot ibm dot com>,"'gcc at gcc dot gnu dot org '" <gcc at gcc dot gnu dot org>
- Date: Tue, 16 Dec 2003 14:25:03 +0100
- Subject: RE: [tree-ssa] vectorizer related issues
Dorit Naishlos asked:
> Q6.3: Should we add new TREE_CODES (and corresponding optabs?) for the
> new types of operations we want to express?
> Or instead, Q6.4: should the vectorizer generate calls to target
> specific builtins?
I would prefer tree codes for generic operations and operations that can be
expressed as a sequence of simpler operations, but please note that we risk
running out of tree codes RSN. Obj-C++ can only barely fit in the existing
maximum of 256 tree codes :-/
Also perhaps target builtins are better because this is obviously all target
specific anyway...
Gr.
Steven