svn commit: r334947 - head/sys/modules
Conrad Meyer
cem at freebsd.org
Sat Jun 16 19:21:48 UTC 2018
r255185 added _mm_aesenc(), etc, but not _mm_sha*(). That's probably
where the report comes from.
(If you feel it is worth your while adding sha intrinsics to a
decade-old GCC, go ahead, but I think gcc 4.2 on x86 is pretty dead.)
Best,
Conrad
On Sat, Jun 16, 2018 at 7:57 AM, Kurt Lidl <lidl at pix.net> wrote:
> On 6/11/18 4:42 AM, Dimitry Andric wrote:
>>
>> Author: dim
>> Date: Mon Jun 11 08:42:03 2018
>> New Revision: 334947
>> URL: https://svnweb.freebsd.org/changeset/base/334947
>>
>> Log:
>> Disable building aesni with base gcc
>> Because base gcc does not support the required intrinsics, do not
>> attempt to compile the aesni module with it.
>> Noticed by: Dan Allen <danallen46 at gmail.com>
>> MFC after: 3 days
>>
>> Modified:
>> head/sys/modules/Makefile
>>
>> Modified: head/sys/modules/Makefile
>>
>> ==============================================================================
>> --- head/sys/modules/Makefile Mon Jun 11 08:11:35 2018 (r334946)
>> +++ head/sys/modules/Makefile Mon Jun 11 08:42:03 2018 (r334947)
>> @@ -627,7 +627,9 @@ _aac= aac
>> _aacraid= aacraid
>> _acpi= acpi
>> .if ${MK_CRYPT} != "no" || defined(ALL_MODULES)
>> +.if ${COMPILER_TYPE} != "gcc" || ${COMPILER_VERSION} > 40201
>> _aesni= aesni
>> +.endif
>> .endif
>> _amd_ecc_inject=amd_ecc_inject
>> _amdsbwd= amdsbwd
>>
>
> I thought that FreeBSD's base gcc (but not a stock 4.2.1 gcc) had support
> for this. As documented in UPDATING:
>
> 20130903:
> AES-NI intrinsic support has been added to gcc. The AES-NI module
> has been updated to use this support. A new gcc is required to build
> the aesni module on both i386 and amd64.
>
> -Kurt
>
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