[Bug driver/42445] LTO performance: -march=native isn't saved in COLLECT_GCC_OPTIONS

Joost.VandeVondele at pci dot uzh.ch gcc-bugzilla@gcc.gnu.org
Thu Jan 6 18:29:00 GMT 2011


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42445

Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|-march=native isn't saved   |LTO performance:
                   |in COLLECT_GCC_OPTIONS      |-march=native isn't saved
                   |                            |in COLLECT_GCC_OPTIONS

--- Comment #6 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-01-06 17:50:16 UTC ---
This actually seems an important bug to solve, as -march=native users will
otherwise have a bad experience with LTO.



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