------- Comment #6 from howarth at nitro dot med dot uc dot edu  2010-08-31 
01:25 -------
For the testcase compiled with...

gcc-4 -m32 -O -fomit-frame-pointer -fno-pic -S add.c

...current gcc trunk gives...


_f:
LFB0:
        subl    $12, %esp
LCFI0:
        addl    $1, _a
        addl    $12, %esp
LCFI1:
        ret

With patch we now get...


_f:
LFB0:
        addl    $1, _a
        ret


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36502

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