On Fri, 2 May 2008 08:32:12 -0500 Kumar Gala <[EMAIL PROTECTED]> wrote:
> > On May 2, 2008, at 7:13 AM, Josh Boyer wrote: > > > On Fri, 2008-05-02 at 03:11 -0500, Kumar Gala wrote: > >> GCC 4.4.x looks to be adding support for generating out-of-line > >> register > >> saves/restores based on: > >> > >> http://gcc.gnu.org/ml/gcc-patches/2008-04/msg01678.html > >> > >> This breaks the bootwrapper as we'd need to link with libgcc to get > >> the > >> implementation of the register save/restores. > > > > We don't link with libgcc anywhere in the kernel. Is this going to > > have > > similar impacts for building the vmlinux itself? > > Not by default. The issue only shows up with -Os. Not sure if we can > build the kernel that way. We can. See CONFIG_CC_OPTIMIZE_FOR_SIZE. That's set in at least pseries_defconfig and ps3_defconfig. It's also something I've been thinking about trying with 4xx. Seems we need a bit more than just the bootwrapper. josh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
