This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: An issue for the SC: horrible documentation quality of GCC
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: Michael Matz <matz at suse dot de>
- Cc: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>, gcc at gcc dot gnu dot org
- Date: Fri, 09 May 2003 12:32:50 -0400
- Subject: Re: An issue for the SC: horrible documentation quality of GCC
>>>>> Michael Matz writes:
Michael> But this needs to be determined at a later point, instead of cluttering
Michael> all the optimization passes with machine dependend checks.
Not every processor has an x86 cost model. Generating fewer
instructions usually is an accurate, generic metric. However, choosing
one sequence of instructions over another is very machine-dependent.
David