This is the mail archive of the gcc-patches@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: PowerPC prologue and epilogue 4

From: David Edelsohn <dje dot gcc at gmail dot com>
To: gcc-patches at gcc dot gnu dot org, Alan Modra <amodra at gmail dot com>
Date: Tue, 24 Apr 2012 11:30:41 -0400
Subject: Re: PowerPC prologue and epilogue 4
References: <20120417150803.GF3218@bubble.grove.modra.org> <20120417151359.GI3218@bubble.grove.modra.org>

On Tue, Apr 17, 2012 at 11:13 AM, Alan Modra <amodra@gmail.com> wrote:
> This provides some protection against misuse of r0, r11 and r12. ?I
> found it useful when enabling out-of-line saves for large frames. ?;-)
>
> ? ? ? ?* config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
> ? ? ? ?(rs6000_emit_prologue): Use the above to catch register overlap.

This patch is okay.

Thanks, David

References:
- PowerPC prologue and epilogue
  - From: Alan Modra
- PowerPC prologue and epilogue 4
  - From: Alan Modra

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