This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Patch: mips march/mtune support
- To: cgd at sibyte dot com
- Subject: Re: Patch: mips march/mtune support
- From: Eric Christopher <echristo at twigboy dot cygnus dot com>
- Date: Tue, 3 Jul 2001 05:08:55 -0700 (PDT)
- cc: echristo at redhat dot com, gcc-patches at gcc dot gnu dot org
> use of Branch Likely instructions is strongly discouraged in the
> MIPS32 and MIPS64 architectures. See, for instance, page 57 of the
> MIPS32 Instruction set manual at
> http://www.mips.com/declassified/Declassified_2001/MD00086-2B-MIPS32BIS-AFP-00.95.pdf
> (page 65 of the PDF document, it seems -- *sigh*).
Yes, I've actually got a patch to add a flag to turn off that
functionality that I've yet to submit. It'll be useful for the yet to be
contributed MIPS3264 support.
-eric
--
I will not grease the monkey bars