/usr/lib/gcc/x86_64-linux-gnu/4.6/include/nmmintrin.h is in gcc-4.6 4.6.4-6ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | /* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>.
/* Implemented from the specification included in the Intel C++ Compiler
User Guide and Reference, version 10.0. */
#ifndef _NMMINTRIN_H_INCLUDED
#define _NMMINTRIN_H_INCLUDED
#ifndef __SSE4_2__
# error "SSE4.2 instruction set not enabled"
#else
/* We just include SSE4.1 header file. */
#include <smmintrin.h>
#endif /* __SSE4_2__ */
#endif /* _NMMINTRIN_H_INCLUDED */
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