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[Bug target/50440] 128 bit unsigned int subtraction generates too many register moves
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 25 Sep 2011 10:20:19 +0000
- Subject: [Bug target/50440] 128 bit unsigned int subtraction generates too many register moves
- Auto-submitted: auto-generated
- References: <bug-50440-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50440
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |x86_64-*-*
Status|UNCONFIRMED |NEW
Keywords| |missed-optimization
Last reconfirmed| |2011-09-25
Component|rtl-optimization |target
Ever Confirmed|0 |1
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-09-25 10:20:19 UTC ---
Seems to be an artifact of the *subti3_doubleword splitter.