[LLVMbugs] [Bug 10048] llc 2.9 doesn't care of packed attribute to generate code for x86 target

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Jun 20 05:16:39 PDT 2011


Duncan Sands <baldrick at free.fr> changed:

           What    |Removed                     |Added
             Status|REOPENED                    |RESOLVED
         Resolution|                            |INVALID

--- Comment #13 from Duncan Sands <baldrick at free.fr> 2011-06-20 07:16:39 CDT ---
On x86-32 I can reproduce that you still get movaps even with my modified
declaration of foo1.  However the pointers being accessed are all multiples
of 16 bytes from the stack pointer, i.e. properly aligned for movaps, so there
doesn't seem to be anything wrong here.  To show that something is wrong you
need a testcase where the movaps is being used with a pointer that is not 16
bytes aligned.  If you think you might have such a testcase I suggest you have
the bitcode print the pointer value to confirm that it really isn't 16 byte

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