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From: Jan Beich <jbeich@tormail.org>
To: Dimitry Andric <dim@FreeBSD.org>
Subject: Re: svn commit: r253802 - head/contrib/llvm/tools/clang/lib/Headers
In-Reply-To: <201307301233.r6UCXLT8012177@svn.freebsd.org> (Dimitry Andric's
 message of "Tue, 30 Jul 2013 12:33:21 +0000 (UTC)")
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Date: Tue, 30 Jul 2013 13:33:51 +0000
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Dimitry Andric <dim@FreeBSD.org> writes:

> Author: dim
> Date: Tue Jul 30 12:33:21 2013
> New Revision: 253802
> URL: http://svnweb.freebsd.org/changeset/base/253802
>
> Log:
>   Pull in r186696 from upstream clang trunk:
>   
>     This patch implements __get_cpuid_max() as an inline and __cpuid()
>     and __cpuid_count() as macros to be compatible with GCC's cpuid.h.
[...]
> +#define bit_SSE41       0x00080000
> +#define bit_SSE42       0x00100000

GCC's spelling is different

  $ fgrep -r bit_SSE4 /usr/local/lib/gcc48/**/
  /usr/local/lib/gcc48/**/cpuid.h:#define bit_SSE4_1        (1 << 19)
  /usr/local/lib/gcc48/**/cpuid.h:#define bit_SSE4_2        (1 << 20)
  /usr/local/lib/gcc48/**/cpuid.h:#define bit_SSE4a (1 << 6)

Even Clang's own from -msse*

  $ clang -dM -E -march=btver2 -</dev/null | fgrep -i sse4
  #define __SSE4A__ 1
  #define __SSE4_1__ 1
  #define __SSE4_2__ 1