http://llvm.org/bugs/show_bug.cgi?id=2647
Dan Gohman <[EMAIL PROTECTED]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |FIXED
--- Comment #9 from Dan Gohman <[EMAIL PROTECTED]> 2008-10-30 20:25:10 ---
With this commit:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20081027/069165.html
codegen avoids selecting extractps for a store of element 0, and uses movss
instead.
The provided testcase now compiles to three instructions even with
-mcpu=penryn.
The extra setup is a known issue. The code that decides if stack-pointer
alignment
is necessary is over-conservative in some cases. See
lib/Target/X86/README-SSE.txt,
the entry starting with "LLVM currently generates stack realignment code".
Thanks!
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