/* Copyright (C) 2008, 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 10.1.  */

#ifndef _WMMINTRIN_H_INCLUDED
#define _WMMINTRIN_H_INCLUDED

/* We need definitions from the SSE2 header file.  */
#include <emmintrin.h>

#if !defined (__AES__) && !defined (__PCLMUL__)
# error "AES/PCLMUL instructions not enabled"
#else

/* AES */

#ifdef __AES__
/* Performs 1 round of AES decryption of the first m128i using 
   the second m128i as a round key.  */
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_aesdec_si128 (__m128i __X, __m128i __Y)
{
  return (__m128i) __builtin_ia32_aesdec128 ((__v2di)__X, (__v2di)__Y);
}

/* Performs the last round of AES decryption of the first m128i 
   using the second m128i as a round key.  */
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_aesdeclast_si128 (__m128i __X, __m128i __Y)
{
  return (__m128i) __builtin_ia32_aesdeclast128 ((__v2di)__X,
						 (__v2di)__Y);
}

/* Performs 1 round of AES encryption of the first m128i using 
   the second m128i as a round key.  */
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_aesenc_si128 (__m128i __X, __m128i __Y)
{
  return (__m128i) __builtin_ia32_aesenc128 ((__v2di)__X, (__v2di)__Y);
}

/* Performs the last round of AES encryption of the first m128i
   using the second m128i as a round key.  */
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_aesenclast_si128 (__m128i __X, __m128i __Y)
{
  return (__m128i) __builtin_ia32_aesenclast128 ((__v2di)__X, (__v2di)__Y);
}

/* Performs the InverseMixColumn operation on the source m128i 
   and stores the result into m128i destination.  */
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_aesimc_si128 (__m128i __X)
{
  return (__m128i) __builtin_ia32_aesimc128 ((__v2di)__X);
}

/* Generates a m128i round key for the input m128i AES cipher key and
   byte round constant.  The second parameter must be a compile time
   constant.  */
#ifdef __OPTIMIZE__
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_aeskeygenassist_si128 (__m128i __X, const int __C)
{
  return (__m128i) __builtin_ia32_aeskeygenassist128 ((__v2di)__X, __C);
}
#else
#define _mm_aeskeygenassist_si128(X, C)					\
  ((__m128i) __builtin_ia32_aeskeygenassist128 ((__v2di)(__m128i)(X),	\
						(int)(C)))
#endif
#endif  /* __AES__ */

/* PCLMUL */

#ifdef __PCLMUL__
/* Performs carry-less integer multiplication of 64-bit halves of
   128-bit input operands.  The third parameter inducates which 64-bit
   haves of the input parameters v1 and v2 should be used. It must be
   a compile time constant.  */
#ifdef __OPTIMIZE__
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
{
  return (__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)__X,
						(__v2di)__Y, __I);
}
#else
#define _mm_clmulepi64_si128(X, Y, I)					\
  ((__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)(__m128i)(X),		\
					  (__v2di)(__m128i)(Y), (int)(I)))
#endif
#endif  /* __PCLMUL__  */

#endif /* __AES__/__PCLMUL__ */

#endif /* _WMMINTRIN_H_INCLUDED */