[LLVMbugs] [Bug 6038] Fails to build libgomp (memory barriers can't be lowered)

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Jul 19 09:01:34 PDT 2010


Jim Grosbach <grosbach at apple.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
                 CC|                            |grosbach at apple.com
         Resolution|                            |FIXED

--- Comment #3 from Jim Grosbach <grosbach at apple.com> 2010-07-19 11:01:33 CDT ---
I believe this is fixed on ToT llvm. For v6+ ARM mode and Thumb2, the memory
barrier code is handled inline. For Thumb1 and pre-v6 processors, it's expanded
to a library call (__sync_synchronize). See r106204.

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