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[Bug driver/42445] LTO performance: -march=native isn't saved in COLLECT_GCC_OPTIONS
- From: "Joost.VandeVondele at pci dot uzh.ch" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 6 Jan 2011 17:51:05 +0000
- Subject: [Bug driver/42445] LTO performance: -march=native isn't saved in COLLECT_GCC_OPTIONS
- Auto-submitted: auto-generated
- References: <bug-42445-4@http.gcc.gnu.org/bugzilla/>
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.