From: "Lluís Vilanova" <vilanova@ac.upc.edu>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "MTTCG Devel" <mttcg@greensocs.com>,
"Peter Crosthwaite" <crosthwaite.peter@gmail.com>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"Emilio G. Cota" <cota@braap.org>,
"Sergey Fedorov" <serge.fdrv@gmail.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Richard Henderson" <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED
Date: Tue, 05 Apr 2016 21:02:08 +0200 [thread overview]
Message-ID: <87twjfria7.fsf@fimbulvetr.bsc.es> (raw)
In-Reply-To: <CAFEAcA-LweD=WhL-PEY0w+Wm9S=z-AC7tn6rJmhioy0g30XH8A@mail.gmail.com> (Peter Maydell's message of "Tue, 5 Apr 2016 17:56:18 +0100")
Peter Maydell writes:
> On 5 April 2016 at 17:31, Richard Henderson <rth@twiddle.net> wrote:
>> On 04/05/2016 09:23 AM, Lluís Vilanova wrote:
>>>
>>> Got it!
>>>
>>> gcc -march=native --help=params -v 2>&1 | grep "param
>>> l1-cache-line-size" | sed -e 's/.* --param l1-cache-line-size=\([0-9]\+\)
>>> .*/\1/'
>>
>>
>> That will only work on x86, where we can be pretty sure it's 64 anyway.
Oh, you mean l1-cache-line-size is an x86-only parameter in GCC?
> Doesn't work on OSX x86 either, since the gcc-to-clang wrapper
> doesn't support --help=params :-)
Well, my suggestion of adding a configure flag still applies :)
Cheers,
Lluis
next prev parent reply other threads:[~2016-04-05 19:02 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-05 5:30 [Qemu-devel] [PATCH 00/10] tb hash improvements Emilio G. Cota
2016-04-05 5:30 ` [Qemu-devel] [PATCH 01/10] translate-all: add missing fold of tb_ctx into tcg_ctx Emilio G. Cota
2016-04-05 8:49 ` Paolo Bonzini
2016-04-05 5:30 ` [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED Emilio G. Cota
2016-04-05 7:57 ` Peter Maydell
2016-04-05 17:24 ` Emilio G. Cota
2016-04-05 18:01 ` Peter Maydell
2016-04-05 19:13 ` Emilio G. Cota
2016-04-05 8:49 ` Paolo Bonzini
2016-04-05 12:57 ` Lluís Vilanova
2016-04-05 12:58 ` Peter Maydell
2016-04-05 15:29 ` Paolo Bonzini
2016-04-05 16:23 ` Lluís Vilanova
2016-04-05 16:31 ` Richard Henderson
2016-04-05 16:56 ` Peter Maydell
2016-04-05 19:02 ` Lluís Vilanova [this message]
2016-04-05 19:15 ` Richard Henderson
2016-04-05 20:09 ` Lluís Vilanova
2016-04-06 11:44 ` Paolo Bonzini
2016-04-06 12:02 ` Laurent Desnogues
2016-04-05 5:30 ` [Qemu-devel] [PATCH 03/10] seqlock: remove optional mutex Emilio G. Cota
2016-04-06 8:38 ` Alex Bennée
2016-04-05 5:30 ` [Qemu-devel] [PATCH 04/10] seqlock: rename write_lock/unlock to write_begin/end Emilio G. Cota
2016-04-06 8:42 ` Alex Bennée
2016-04-05 5:30 ` [Qemu-devel] [PATCH 05/10] include: add spinlock wrapper Emilio G. Cota
2016-04-05 8:51 ` Paolo Bonzini
2016-04-06 15:51 ` Alex Bennée
2016-04-05 5:30 ` [Qemu-devel] [PATCH 06/10] include: add xxhash.h Emilio G. Cota
2016-04-06 11:39 ` Alex Bennée
2016-04-06 22:59 ` Emilio G. Cota
2016-04-05 5:30 ` [Qemu-devel] [PATCH 07/10] tb hash: hash phys_pc, pc, and flags with xxhash Emilio G. Cota
2016-04-05 15:41 ` Richard Henderson
2016-04-05 15:48 ` Paolo Bonzini
2016-04-05 16:07 ` Richard Henderson
2016-04-05 19:40 ` Emilio G. Cota
2016-04-05 21:08 ` Richard Henderson
2016-04-06 0:52 ` Emilio G. Cota
2016-04-06 11:52 ` Paolo Bonzini
2016-04-06 17:44 ` Emilio G. Cota
2016-04-06 18:23 ` Paolo Bonzini
2016-04-06 18:27 ` Richard Henderson
2016-04-07 0:37 ` Emilio G. Cota
2016-04-07 8:46 ` Paolo Bonzini
2016-04-05 16:33 ` Laurent Desnogues
2016-04-05 17:19 ` Richard Henderson
2016-04-06 6:06 ` Laurent Desnogues
2016-04-06 17:32 ` Emilio G. Cota
2016-04-06 17:42 ` Richard Henderson
2016-04-07 8:12 ` Laurent Desnogues
2016-04-05 5:30 ` [Qemu-devel] [PATCH 08/10] qht: QEMU's fast, resizable and scalable Hash Table Emilio G. Cota
2016-04-05 9:01 ` Paolo Bonzini
2016-04-05 15:50 ` Richard Henderson
2016-04-08 10:27 ` Alex Bennée
2016-04-19 23:03 ` Emilio G. Cota
2016-04-05 5:30 ` [Qemu-devel] [PATCH 09/10] qht: add test program Emilio G. Cota
2016-04-08 10:45 ` Alex Bennée
2016-04-19 23:06 ` Emilio G. Cota
2016-04-20 7:50 ` Alex Bennée
2016-04-05 5:30 ` [Qemu-devel] [PATCH 10/10] tb hash: track translated blocks with qht Emilio G. Cota
2016-04-08 12:39 ` Alex Bennée
2016-04-05 8:47 ` [Qemu-devel] [PATCH 00/10] tb hash improvements Alex Bennée
2016-04-05 9:01 ` Paolo Bonzini
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