On Tue, Jun 30, 2015 at 10:49:26PM -0700, Matthew Hall wrote:
> With those two items commented out, and these CFLAGS:
>
> "-g -O0 -fPIC -msse4.2"
>
The recommended way of specifying a particular instruction set is via the
RTE_MACHINE setting in your build time config. Can you perhaps reproduce
Previously, with the -msse4.2 flag removed, the build failed for a different
reason.
I can retry without it and see if it's the case in the new DPDK.
On Jul 1, 2015, at 4:10 AM, Bruce Richardson
wrote:
> On Tue, Jun 30, 2015 at 10:49:26PM -0700, Matthew Hall wrote:
>> With those two items
With those two items commented out, and these CFLAGS:
"-g -O0 -fPIC -msse4.2"
it looks like I can reproduce the issue in clang 2.6 series:
/vagrant/external/dpdk/build/include/rte_rtm.h:56:15: error: invalid operand
for inline asm constraint 'i'
asm volatile(".byte 0xc6,0xf8,%P0" ::
To be a bit more specific, this is what I had to do to fix it for clang 3.6 SVN
snapshot release.
I am not sure if there is a better way of handling this situation. I'd love to
know where I could improve it.
Matthew.
diff --git a/mk/rte.cpuflags.mk b/mk/rte.cpuflags.mk
index f595cd0..8c883ee
On Jun 29, 2015, at 3:19 AM, Thomas Monjalon
wrote:
> There is no such bug with my compiler:
> clang version 3.6.1 (tags/RELEASE_361/final)
> Target: x86_64-unknown-linux-gnu
>
> Matthew, which version are you using?
Hi Thomas and Roman,
It seems to happen if I have set -mavx in
2015-06-29 12:11, Roman Dementiev:
> >> On Jun 28, 2015, at 10:16 AM, Matthew Hall
> >> wrote:
> >> > I am getting a strange error compiling some RTM instructions when
> >> > I upgraded my VM environment from VirtualBox 4 to VirtualBox 5 and
> >> > AVX instructions from the host CPU became
Hello Thomas,
Sunday, June 28, 2015, 9:38:14 PM, you wrote:
> 2015-06-28 10:59, Matthew Hall:
>> It would appear there is some bug in the new lock elision patches that is
>> preventing it from compiling with clang. Any suggestions?
> It builds with clang.
> My suggestion is to add the patch
2015-06-28 10:59, Matthew Hall:
> It would appear there is some bug in the new lock elision patches that is
> preventing it from compiling with clang. Any suggestions?
It builds with clang.
My suggestion is to add the patch author in recipient's list ;)
> On Jun 28, 2015, at 10:16 AM, Matthew
It would appear there is some bug in the new lock elision patches that is
preventing it from compiling with clang. Any suggestions?
On Jun 28, 2015, at 10:16 AM, Matthew Hall wrote:
> Hi all,
>
> I am getting a strange error compiling some RTM instructions when I upgraded
> my VM environment
Hi all,
I am getting a strange error compiling some RTM instructions when I upgraded my
VM environment from VirtualBox 4 to VirtualBox 5 and AVX instructions from the
host CPU became available. However when I am reading the opcode description for
XABORT it supposedly allows an immediate
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