[LLVMbugs] [Bug 237] [x86] wierd stack/frame pointer manipulation

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=237

sabre at nondot.org changed:

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



------- Additional Comments From sabre at nondot.org  2004-02-14 18:21 -------
This bug is now fixed.  Testcase here:
test/Regression/CodeGen/X86/2004-02-14-InefficientStackPointer.llx

The problem with the no-framepointer case was that the code generator was trying
to keep the stack pointer aligned (a nobel goal), which is unneeded in functions
that do not call other functions.  Patches:
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20040209/011678.html
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20040209/011679.html

The 'have a framepointer' bug was just silly, there was no particular reason for
it.  Here's the patch:
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20040209/011687.html

-Chris



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