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Re: [Bug target/10412] Renesas SH - Incorrect code generation
- From: Alexandre Oliva <aoliva at redhat dot com>
- To: "Dhananjay R. Deshpande" <dhananjayd at KPITCummins dot com>
- Cc: <gcc-bugzilla at gcc dot gnu dot org>, <gcc-patches at gcc dot gnu dot org>
- Date: 26 Jun 2003 06:37:37 -0300
- Subject: Re: [Bug target/10412] Renesas SH - Incorrect code generation
- Organization: GCC Team, Red Hat
- References: <69595093233BB547BB70CF5E492B63F201686900@sohm.kpit.com>
On Jun 26, 2003, "Dhananjay R. Deshpande" <dhananjayd@KPITCummins.com> wrote:
> From: Alexandre Oliva [mailto:aoliva@redhat.com]
> On Jun 26, 2003, "Dhananjay R. Deshpande" <dhananjayd@KPITCummins.com> wrote:
>> Both registers are marked as FIXED but are still allocated in reload
>> stage.
>> This seems wrong. Any idea of why that is so?
> Not exactly clear, but I think as MAC_REGS are marked as
> callee-saved, in the reload stage those are used as being already
> pushed on stack.
My understanding is that, if it's fixed, it shouldn't ever be chosen
by reload.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist Professional serial bug killer