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[Bug target/52898] SH Target: Inefficient DImode comparisons
- 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: Wed, 11 Apr 2012 22:52:14 +0000
- Subject: [Bug target/52898] SH Target: Inefficient DImode comparisons
- Auto-submitted: auto-generated
- References: <bug-52898-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52898
Oleg Endo <olegendo at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |kkojima at gcc dot gnu.org
--- Comment #2 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-04-11 22:52:14 UTC ---
Kaz, do you happen to know the background of the -mcbranchdi -mcmpeqdi options
and the respective patterns? I'm wondering, why they are not enabled by
default at least for SH4, since they seem to try to utilize the
zero-displacement branch where possible ...