This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: IA64 loop optimization patch (Linux and HP-UX)
- From: Richard Henderson <rth at redhat dot com>
- To: Steve Ellcey <sje at cup dot hp dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Wed, 30 Jan 2002 15:52:27 -0800
- Subject: Re: IA64 loop optimization patch (Linux and HP-UX)
- References: <200201302141.NAA23107@hpsje.cup.hp.com>
On Wed, Jan 30, 2002 at 01:41:40PM -0800, Steve Ellcey wrote:
> Could someone take a good look at this patch and see if it is right and
> check it in if it is? I found that on HP-UX and Linux IA64 platforms
> (where PIC_OFFSET_TABLE_REG_CALL_CLOBBERED is set) that we are not
> moving "const" functions or library calls (like integer division) that
> have loop invariant arguments out of loops because of the save/restore
> of the PIC register that is done. This change fixes that problem.
Probably ok. Any chance you could test PA-RISC as well?
r~