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Re: [RFA/RFC patch]: Follow-up on type-demotion pass ...
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: Kai Tietz <ktietz at redhat dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 18 Nov 2013 22:55:26 +0000
- Subject: Re: [RFA/RFC patch]: Follow-up on type-demotion pass ...
- Authentication-results: sourceware.org; auth=none
- References: <317948312 dot 36384059 dot 1384803974853 dot JavaMail dot root at redhat dot com>
This is not a review, but:
* What do you need from rtl.h? It's generally best for GIMPLE passes to
avoid rtl.h where possible (and if you can avoid it, the next question is
whether you can also avoid tm.h).
* Going just on the general description of the pass and not looking at the
details: does this do any of the things that are done by shorten_binary_op
or shorten_compare in c-common.c? If so, do you plan followup changes to
remove as premature optimizations whatever those functions do that can be
done by this pass?
Joseph S. Myers