[LLVMbugs] [Bug 2809] Avoid execution domain bypass

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Mar 22 17:11:10 PDT 2010


http://llvm.org/bugs/show_bug.cgi?id=2809

Jakob Stoklund Olesen <stoklund at 2pi.dk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
                 CC|                            |stoklund at 2pi.dk
         Resolution|INVALID                     |

--- Comment #7 from Jakob Stoklund Olesen <stoklund at 2pi.dk> 2010-03-22 19:11:09 CDT ---
This issue is appearing on Nehalem processors. I have real code that runs 14%
faster on an E5520 when I substitute movaps->movdqa and orps->por. I have
verified that it is not a code size/alignment issue.

I am working on a fix.

-- 
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.



More information about the llvm-bugs mailing list