This is the mail archive of the
gcc-help@gcc.gnu.org
mailing list for the GCC project.
Re: Providing alternative implementation for floating point related operations in GCC.
- From: Sivan Greenberg <sivang at chippc dot com>
- To: gcc-help at gcc dot gnu dot org
- Date: Tue, 06 May 2008 10:54:30 +0300
- Subject: Re: Providing alternative implementation for floating point related operations in GCC.
- References: <1209572779.21831.55.camel@localhost> <481BB334.8020700@users.sourceforge.net>
On Fri, 2008-05-02 at 19:35 -0500, Matthew Woehlke wrote:
>Uh... it sounds like what you really want is to build with
msoft-float?
>
> ...from The Fine Manpage:
> -msoft-float
> Do not use floating-point coprocessor instructions.
> Implement floating-point calculations using library calls
> instead.
>
>
This changes the calling convention and way of parameter passing
comapred to using the hardfloat abi and breaks binaries we need to
support but to which we have no source. that's why the wish to tackle
this problem at the gcc internals levels.
Sivan