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[Bug target/51340] SH Target: Make -mfused-madd enabled by default
- From: "kkojima at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 28 Nov 2011 23:09:32 +0000
- Subject: [Bug target/51340] SH Target: Make -mfused-madd enabled by default
- Auto-submitted: auto-generated
- References: <bug-51340-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51340
--- Comment #1 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-11-28 23:09:32 UTC ---
(In reply to comment #0)
> Is there any particular reason why this should not be enabled by
> default for SH targets that support the FMAC insn?
PR29100?
BTW, if SH fmac satisfies the semantics for fused multiplication and
add operation, the fmaf4 instruction pattern would be better now.