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Re: question about the rtx code
- From: Alexandre Oliva <aoliva at redhat dot com>
- To: Per Fransson <per dot fransson dot 768 at student dot lu dot se>
- Cc: gcc <gcc at gcc dot gnu dot org>
- Date: 22 May 2002 20:26:56 -0300
- Subject: Re: question about the rtx code
- Organization: GCC Team, Red Hat
- References: <3CEB903C.9040806@student.lu.se>
On May 22, 2002, Per Fransson <per.fransson.768@student.lu.se> wrote:
> If a value is put in a pseudoregister just before a function call,
> is it still there after the call [...]?
Yes. Register allocation will take care of preserving the value of
the pseudo across the function call, unless it is determined to be
dead.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist Professional serial bug killer