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Subject: [Bug target/54830] [SH] Unnecessary exts.w before extu.b
Date: Wed, 07 Nov 2012 21:27:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54830

--- Comment #2 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-11-07 21:27:11 UTC ---
Just for the record..
The arithmetic right shift by 16 splits into the sequence swap.w exts.w after
combine.  Thus, any other following extensions don't get combined away.