Re: recent binutils and mips64-linux

["Zack Weinberg" <zack at codesourcery dot com>]

Daniel Jacobowitz <dan@debian.org> writes:

> On Tue, Sep 23, 2003 at 11:01:11AM -0700, Eric Christopher wrote:
>> 
>> I'm still trying to figure out why you are going through such weird
>> contortions at all. I understand not having an elf64 loader. That's what
>> the objcopy comment was for, everything else I don't understand. Why not
>> compile for the abi you want?
>
> Compare the optimal way to load an address into a register when you
> have a full 64-bit address space and when you know that addresses are
> sign extended.  I'm told it saves over 100K of code.

Maybe what you really want is an -mdata-model=kernel switch (or some
such spelling) that tells gcc to do the right thing in the first
place?

zw