From: Darren Hart <dvhart@linux.intel.com>
To: Saul Wold <sgw@linux.intel.com>
Cc: yocto@yoctoproject.org
Subject: Re: [PATCH 1/1] beagleboard.conf: set DEFAULT_TUNE to cortexa8
Date: Tue, 23 Aug 2011 12:06:29 -0700 [thread overview]
Message-ID: <4E53FA35.9050306@linux.intel.com> (raw)
In-Reply-To: <99367a7d66c6bdfc56780cc9cfc7d50b55095591.1314124511.git.sgw@linux.intel.com>
On 08/23/2011 11:36 AM, Saul Wold wrote:
> [YOCTO #1381]
>
> lttng-ust generates an ICE when building for armv7, so change it to armv5
> | vfprintf.c:956:1: error: unrecognizable insn:
> | (insn 3968 3967 3969 145 (set (subreg:SI (reg/v:DI 160 [ _umax ]) 0)
> | (sign_extend:SI (mem:QI (plus:SI (mult:SI (reg/v:SI 166 [ nextarg ])
> | (const_int 8 [0x8]))
> | (reg/f:SI 370 [ argtable.7 ])) [0 *D.6937_569+0 S1
> A32]))) vfprintf.c:555 -1
> | (nil))
> | vfprintf.c:956:1: internal compiler error: in extract_insn, at recog.c:2109
>
> Signed-off-by: Saul Wold <sgw@linux.intel.com>
> ---
> meta-yocto/conf/machine/beagleboard.conf | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/meta-yocto/conf/machine/beagleboard.conf b/meta-yocto/conf/machine/beagleboard.conf
> index 0b3cebc..9ed8c59 100644
> --- a/meta-yocto/conf/machine/beagleboard.conf
> +++ b/meta-yocto/conf/machine/beagleboard.conf
> @@ -18,6 +18,8 @@ MACHINE_EXTRA_RRECOMMENDS += "beagleboard-audio"
> # Allow for MMC booting (required by the NAND-less Beagleboard XM)
> EXTRA_IMAGEDEPENDS += "u-boot x-load"
>
> +DEFAULT_TUNE = "cortexa8"
> +
Sorry, I didn't mean for this to be a final solution, just a means to
determine the problem. Removing neon eliminates the vector floating
point, which we do not want to do. The correct fix for this is probably
in gcc. I'd rather not build lttng for beagleboard than change the tune
default to DEFAULT_TUNE to "cortexa8".
--
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel
next prev parent reply other threads:[~2011-08-23 19:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-23 18:36 [PATCH 0/1] Fix for lttng-ust not compiling on beagleboard Saul Wold
2011-08-23 18:36 ` [PATCH 1/1] beagleboard.conf: set DEFAULT_TUNE to cortexa8 Saul Wold
2011-08-23 19:06 ` Darren Hart [this message]
2011-08-23 19:35 ` Tom Rini
2011-08-23 21:26 ` Saul Wold
2011-08-23 21:57 ` Martin Jansa
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