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Re: sh-unknown-linux-gnu (Support of no fdiv for integer division)
On Oct 3, 2001, NIIBE Yutaka <gniibe@m17n.org> wrote:
> For our use, new option -m4-no-fpu needs following:
> Define __SH4__
> Not define __sh3__
> __SH4_NOFPU__: Doesn't matter
> SH4 scheduling
> Don't use FPU
Defining __SH4__ is dangerous, because assembly code might assume that
__SH4__ implies an FPU is available. I'd rather follow existing
practice of -m4-single and -m4-single-only and have -m4-no-fpu define
only __SH4_NO_FPU__.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
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