This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: postreload problem using reload_inm and SECONDARY_RELOAD macros

From: Ian Lance Taylor <iant at google dot com>
To: BELBACHIR Selim <selim dot belbachir at fr dot thalesgroup dot com>
Cc: "gcc\ at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: Wed, 14 Sep 2011 06:40:21 -0700
Subject: Re: postreload problem using reload_inm and SECONDARY_RELOAD macros
References: <19216_1316005778_4E70A792_19216_419_1_9C88BF562A27AA41B242B2780441926E207711FE87@THSONEA01CMS05P.one.grp>

BELBACHIR Selim <selim.belbachir@fr.thalesgroup.com> writes:

> I'm writing a backend for gcc3.4.6 and I'm a bit confused about reload passes.

You know gcc 3.4.6 is really old, right?

> I have no mean to express this limitation inside predicates (because
> pseudo register don't known in which hard register they will be
> allocated), reload pass create some moves from immediate to $R.Â :

First guess would be REGISTER_MOVE_COST.

Ian

Follow-Ups:
- RE: postreload problem using reload_inm and SECONDARY_RELOAD macros
  - From: BELBACHIR Selim

References:
- postreload problem using reload_inm and SECONDARY_RELOAD macros
  - From: BELBACHIR Selim

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]