[Bug c/43827] Intrinsic possibility: does not alias global data
rguenth at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Wed Apr 21 09:30:00 GMT 2010
------- Comment #1 from rguenth at gcc dot gnu dot org 2010-04-21 09:29 -------
They are feasible, but they do need a very strict specification to be usable.
With 4.6 you can check the -alias dumps when building with -flto -fipa-pta
to see if the compiler maybe can already analyze the situation correctly.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43827
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