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[Bug target/55295] [SH] Add support for fipr instruction
- From: "olegendo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 12 Nov 2012 22:39:27 +0000
- Subject: [Bug target/55295] [SH] Add support for fipr instruction
- Auto-submitted: auto-generated
- References: <bug-55295-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55295
--- Comment #1 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-11-12 22:39:27 UTC ---
I forgot to mention that at least there should be a target specific built-in
function to generate the fipr insn. There is already a SHmedia built-in for
that, so adding one for SH4* shouldn't be a big deal. However, ideally the
compiler would discover fipr opportunities by itself (when compiling with
-ffast-math).