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[Bug inline-asm/40124] Inline asm should support limited control flow
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 May 2009 17:08:39 -0000
- Subject: [Bug inline-asm/40124] Inline asm should support limited control flow
- References: <bug-40124-14600@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from pinskia at gcc dot gnu dot org 2009-05-12 17:08 -------
(In reply to comment #7)
> Isn't __builtin_expect a way to send branch prediction hints?
Not just prediction hints, it helps other optimizations of not moving code
around inter block which seems like what you need.
Maybe it is better to file a bug about the code you want optimized and the way
you want it optimized instead of asking for another feature.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40124