[Bug target/31557] return 0x80000000UL code gen can be improved

[PHHargrove at lbl dot gov]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31557

Paul H. Hargrove <PHHargrove at lbl dot gov> changed:

           What    |Removed                     |Added
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                 CC|                            |PHHargrove at lbl dot gov

--- Comment #3 from Paul H. Hargrove <PHHargrove at lbl dot gov> 2012-08-13 23:03:06 UTC ---
FWIW, 4.8.0 20120809 w/ -O1 or higher is now using just 4 instructions instead
of 5.  So, "half way there".


.L.f:
        lis 3,0x8000
        ori 3,3,1
        rldicl 3,3,0,32
        blr