This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Pentium and second pipeline
- To: Jan Hubicka <hubicka at atrey dot karlin dot mff dot cuni dot cz>, egcs at cygnus dot com
- Subject: Re: Pentium and second pipeline
- From: Richard Henderson <rth at cygnus dot com>
- Date: Wed, 16 Sep 1998 18:39:36 -0700
- References: <19980915132522.19708@atrey.karlin.mff.cuni.cz>
- Reply-To: Richard Henderson <rth at cygnus dot com>
On Tue, Sep 15, 1998 at 01:25:22PM +0200, Jan Hubicka wrote:
> After looking at define_function_unit definitions in i386.md, it looks
> like the old definition was wrong, since it didn't tell scheduler nothing
> about second pipeline.
Attempting to describe the pentium pipelines is basically meaningless
until the md file is reworked to accurately classify the instruction
that will be output.
r~