lkml.org 
[lkml]   [2004]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] arch/i386/Makefile,scripts/gcc-version.sh,Makefile small fixes
    Serge Belyshev <33554432@mtu-net.ru> wrote:
    >
    > [This patch is against 2.6.2-rc1-mm2]

    Is appreciated, thanks.

    > arch/i386/Makefile:
    > * omitted $(KBUILD_SRC)/ in script call.

    OK

    > scripts/gcc-version.sh:
    > * GNU tail no longer supports 'tail -1' syntax.

    OK.

    > Makefile:
    > * There is no point in adding -funit-at-a-time option because it is
    > enabled by default at levels -Os, -O2 and -O3.

    hm. Didn't Andi say that adding -fno-unit-at-a-time caused code shrinkage?

    > * Consider adding -fweb option:

    What does it do?

    > vanilla:
    > $ size vmlinux
    > text data bss dec hex filename
    > 3056270 526780 386056 3969106 3c9052 vmlinux
    >
    > with -fweb:
    > $ size vmlinux
    > text data bss dec hex filename
    > 3049523 526780 386056 3962359 3c75f7 vmlinux
    >
    > Also note 0.1 ... 1.0% speedup in various benchmarks.
    > This option is not enabled by default at -O2 because it
    > (like -fomit-frame-pointer) makes debugging impossible.

    OK, then we'd need a config option for it.


    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:00    [W:3.004 / U:0.004 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site