This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: new port: msp430-elf
- From: Mike Stump <mrs at mrs dot kithrup dot com>
- To: Richard Sandiford <rsandifo at linux dot vnet dot ibm dot com>
- Cc: DJ Delorie <dj at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Thu, 9 May 2013 10:07:19 -0700
- Subject: Re: new port: msp430-elf
- References: <201305070241 dot r472fQp5022965 at greed dot delorie dot com> <CABu31nO5sXW6qT8QNPDKGj41N6scFct7KZPmYiQ1pCA2unm-bg at mail dot gmail dot com> <201305080045 dot r480jAVE028590 at greed dot delorie dot com> <87y5bpomb7 dot fsf at sandifor-thinkpad dot stglab dot manchester dot uk dot ibm dot com> <201305082149 dot r48LnLLB021495 at greed dot delorie dot com> <87bo8k34kv dot fsf at sandifor-thinkpad dot stglab dot manchester dot uk dot ibm dot com>
On May 9, 2013, at 2:06 AM, Richard Sandiford <rsandifo@linux.vnet.ibm.com> wrote:
>> Hmmm... psi/si in memory are tieable, psi/si in registers
>> aren't... what's the right thing to do here?
>
> I think we assume everything is tieable in memory. MODES_TIEABLE_P says
> whether we should assume that a pseudo register in one mode can be
> accessed in another mode without triggering some kind of copy operation.
I hate TIEABLE. :-) I'd love to see it engineered out.