[SM-Grimoire-Bugs] [Bug 15621] smgl-archspecs should provide native and generic for IA-32/x86-64 users

bugzilla-daemon at bugs.sourcemage.org bugzilla-daemon at bugs.sourcemage.org
Wed Apr 7 23:58:38 EDT 2010


http://bugs.sourcemage.org/show_bug.cgi?id=15621





--- Comment #6 from Eric Sandall <sandalle at sourcemage.org>  2010-04-07 22:58:35 ---
Added native to archspecs master branch with:
commit c3c0de02e5aea37548c10b01b1e080b28f671fc1
Author: Eric Sandall <sandalle at sourcemage.org>
Date:   Wed Apr 7 20:27:00 2010 -0700

    64/x86_64/native-x86_64-64: Native architecture selection for x86_64

    For GCC 4.2+, use '-march=native -mtune=native',  or all but GCC2,
    use '-march=x86_64", and for GCC2 use '-march=i486"

    march=i486 was chosen as this is the lowest the ISO goes and the
    lowest required for NPTL in glibc.

commit 9c7e7944f4d132d18242b6bbba4fddb5ed7cf31f
Author: Eric Sandall <sandalle at sourcemage.org>
Date:   Wed Apr 7 20:24:58 2010 -0700

    32/ia32/native-x86_64-32: Native architecture selection for x86/x86_64

    For GCC 4.2+, use '-march=native -mtune=native', for everything else,
    use '-march=i486".

    march=i486 was chosen as this is the lowest the ISO goes and the lowest
    required for NPTL in glibc.

Tested on x86_64 with GCC 4.3 and GCC 4.4 and x86 with GCC 4.3.

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