[LLVMbugs] [Bug 3045] 'A' constraint not handled

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3045


Chris Lattner <clattner at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |DUPLICATE




--- Comment #2 from Chris Lattner <clattner at apple.com>  2008-11-12 13:06:45 ---
Sure, we support 64-bit values with A constraints.  The problem is that the
constraints look like this: "=r,A,r,i,0".  Because =r is tied, we preallocate
it at isel time.  Then we get to the A constraint and don't have registers left
for it.  Try removing the tied constraint and the example works.




*** This bug has been marked as a duplicate of bug 1779 ***


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