[LLVMbugs] [Bug 1198] assertion failure handling 64-bit umulh sequence

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Tue Feb 13 15:43:46 PST 2007


sabre at nondot.org changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |2.0

------- Additional Comments From sabre at nondot.org  2007-02-13 17:43 -------
Very nice catch.  I applied your patch:

and checked in your testcase here: test/CodeGen/X86/i128-mul.ll

Note that 128-bit integer support in the LLVM level is desired, but not really ready yet.  Things like 128-
bit immediates are not handled right.  Fortunately, the APInt stuff is great steps in the right direction, so 
we should have it for LLVM 2.0.


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