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Re: [Qemu-devel] Provide safe_syscall for s390x
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From: |
Thomas Huth |
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Subject: |
Re: [Qemu-devel] Provide safe_syscall for s390x |
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Date: |
Mon, 17 Oct 2016 12:53:57 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
On 17.10.2016 12:49, Michael Tokarev wrote:
> 17.10.2016 13:39, Michael Tokarev wrote:
>
>> (cc is gcc 6.2.0)
>>
>> I've no idea which -march is the default and what choices are available.
>
> $ gcc -march=?
> gcc: error: unrecognized argument in option '-march=?'
> gcc: note: valid arguments to '-march=' are: g5 g6 native z10 z13 z196
> z9-109 z9-ec z900 z990 zEC12
>
> I guess g5 is the default?
I hope it is not the default - at least not for -m64.
Could you please run the following and post the results:
gcc -Q --help=target
Thanks,
Thomas