[Bug target/52898] SH Target: Inefficient DImode comparisons

[olegendo at gcc dot gnu.org]

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 ...