From: Saul Wold <sgw@linux.intel.com>
To: Tom Rini <tom.rini@gmail.com>
Cc: yocto@yoctoproject.org
Subject: Re: [PATCH 1/1] beagleboard.conf: set DEFAULT_TUNE to cortexa8
Date: Tue, 23 Aug 2011 14:26:06 -0700 [thread overview]
Message-ID: <4E541AEE.2000305@linux.intel.com> (raw)
In-Reply-To: <CA+M6bX=vjB5gV572LVemMdeiO3TuFFUK_L6xTA2pDrVu-0ZZvw@mail.gmail.com>
On 08/23/2011 12:35 PM, Tom Rini wrote:
> On Tue, Aug 23, 2011 at 1:36 PM, Saul Wold<sgw@linux.intel.com> 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
>
> Which version of lttng-ust is this exactly? In addition to what
> Darren is saying about how this should be papered-over at the recipe
> level until gcc itself is fixed...
>
Sorry, this was my mis-understanding of Darren's comment.
Version of lttng-ust is 0.15.
Initially I tried to do something with tcmode-default, setting lttng-ust
similar to meta-xlib which also had a ICE issue.
TARGET_CC_ARCH_arm_pn-mesa-xlib :=
"${@'${TARGET_CC_ARCH}'.replace('armv7-a','armv5')}"
That caused the compiler to complain about a mode issue, probably due to
mixing of tune parameters:
| arm-poky-linux-gnueabi-libtool: compile: ccache
arm-poky-linux-gnueabi-gcc
-march=armv5 -fno-tree-vectorize -mthumb-interwork -mfloat-abi=softfp
-mfpu=neon -mtune=cortex-a8
--sysroot=/vol/1/sgw/autobuilder/yab/yocto-slave/external/build/build/tmp/sysroots/beagleboard
-DHAVE_CONFIG_H -I. -I.. -I../include/ust -I../include -I../libustcomm
-DUST_COMPONENT=libust -fno-strict-aliasing -Wall -pipe -g
-feliminate-unused-debug-types -MT libust_la-marker-control.lo -MD -MP -MF
.deps/libust_la-marker-control.Tpo -c marker-control.c -o
libust_la-marker-control.o >/dev/null 2>&1
| mv -f .deps/libust_la-tracercore.Tpo .deps/libust_la-tracercore.Plo
| {standard input}: Assembler messages:
| {standard input}:190: Error: selected processor does not support ARM
mode `dmb'
Yes, we are trying to solve Compiler issue, when I first started working
on the last week there was not a compiler bug filed, but now there seems
to be one!
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43137
Which looks like it is resolved also!
I will move this to Nitin to see if he can incorporate the patch into gcc.
Sau!
next prev parent reply other threads:[~2011-08-23 21:26 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
2011-08-23 19:35 ` Tom Rini
2011-08-23 21:26 ` Saul Wold [this message]
2011-08-23 21:57 ` Martin Jansa
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