From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] nios2: fix r15 issue for gcc4
Date: Wed, 19 May 2010 19:11:51 -0400 [thread overview]
Message-ID: <201005191911.52864.vapier@gentoo.org> (raw)
In-Reply-To: <1273874405-15545-1-git-send-email-thomas@wytron.com.tw>
On Friday 14 May 2010 18:00:04 Thomas Chou wrote:
> The "-ffixed-r15" option doesn't work well for gcc4. Since we
> don't use gp for small data with option "-G0", we can use gp
> as global data pointer. This allows compiler to use r15. It
> is necessary for gcc4 to work properly.
>
> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
> ---
> arch/nios2/config.mk | 2 +-
> arch/nios2/cpu/start.S | 7 -------
> arch/nios2/include/asm/global_data.h | 2 +-
> 3 files changed, 2 insertions(+), 9 deletions(-)
i think you also need to update examples/standalone/stubs.c
maybe also document things in README and doc/README.standalone ?
-mike
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next prev parent reply other threads:[~2010-05-19 23:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-14 22:00 [U-Boot] [PATCH] nios2: fix r15 issue for gcc4 Thomas Chou
2010-05-14 22:00 ` [U-Boot] [PATCH] nios2: fix div64 " Thomas Chou
2010-05-25 20:58 ` Scott McNutt
2010-05-19 23:11 ` Mike Frysinger [this message]
2010-05-20 1:32 ` [U-Boot] [PATCH] nios2: fix r15 " Thomas Chou
2010-05-21 3:08 ` [U-Boot] [PATCH] nios2: allow STANDALONE_LOAD_ADDR overriding Thomas Chou
2010-05-25 20:58 ` Scott McNutt
2010-05-21 3:08 ` [U-Boot] [PATCH v2] nios2: fix r15 issue for gcc4 Thomas Chou
2010-05-25 20:57 ` Scott McNutt
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