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: [patch] fix rs6000-power2-2.c

From: David Edelsohn <dje at watson dot ibm dot com>
To: Geoffrey Keating <geoffk at geoffk dot org>, Eric Christopher <echristo at apple dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Mon, 08 Aug 2005 21:55:10 -0400
Subject: Re: [patch] fix rs6000-power2-2.c
References: <1EA3FACB-D275-4F8C-99ED-1F5EF65F939A@apple.com> <m28xzbgaec.fsf@greed.local>

	I think this patch is taking the wrong approach.  As Geoff
mentioned, we want movtf to work on POWER2 systems.

	The purpose of the peephole is to generate pairs of FP loads and
FP stores.  The peephole was written before TFmode was fully implemented.

	Now that GCC supports vector modes, the rs6000 backend should
define V2DF mode for the peephole and TFmode to generate.  I would ignore
the failure or XFAIL it for now.

Thanks, David

Follow-Ups:
- Re: [patch] fix rs6000-power2-2.c
  - From: Eric Christopher

References:
- [patch] fix rs6000-power2-2.c
  - From: Eric Christopher
- Re: [patch] fix rs6000-power2-2.c
  - From: Geoffrey Keating

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