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/*===---- shaintrin.h - SHA intrinsics -------------------------------------===
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*===-----------------------------------------------------------------------===
*/
#ifndef __IMMINTRIN_H
#error "Never use <shaintrin.h> directly; include <immintrin.h> instead."
#endif
#ifndef __SHAINTRIN_H
#define __SHAINTRIN_H
/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("sha"), __min_vector_width__(128)))
/// Performs four iterations of the inner loop of the SHA-1 message digest
/// algorithm using the starting SHA-1 state (A, B, C, D) from the 128-bit
/// vector of [4 x i32] in \a V1 and the next four 32-bit elements of the
/// message from the 128-bit vector of [4 x i32] in \a V2. Note that the
/// SHA-1 state variable E must have already been added to \a V2
/// (\c _mm_sha1nexte_epu32() can perform this step). Returns the updated
/// SHA-1 state (A, B, C, D) as a 128-bit vector of [4 x i32].
///
/// The SHA-1 algorithm has an inner loop of 80 iterations, twenty each
/// with a different combining function and rounding constant. This
/// intrinsic performs four iterations using a combining function and
/// rounding constant selected by \a M[1:0].
///
/// \headerfile <immintrin.h>
///
/// \code
/// __m128i _mm_sha1rnds4_epu32(__m128i V1, __m128i V2, const int M);
/// \endcode
///
/// This intrinsic corresponds to the \c SHA1RNDS4 instruction.
///
/// \param V1
/// A 128-bit vector of [4 x i32] containing the initial SHA-1 state.
/// \param V2
/// A 128-bit vector of [4 x i32] containing the next four elements of
/// the message, plus SHA-1 state variable E.
/// \param M
/// An immediate value where bits [1:0] select among four possible
/// combining functions and rounding constants (not specified here).
/// \returns A 128-bit vector of [4 x i32] containing the updated SHA-1 state.
#define _mm_sha1rnds4_epu32(V1, V2, M) \
__builtin_ia32_sha1rnds4((__v4si)(__m128i)(V1), (__v4si)(__m128i)(V2), (M))
/// Calculates the SHA-1 state variable E from the SHA-1 state variables in
/// the 128-bit vector of [4 x i32] in \a __X, adds that to the next set of
/// four message elements in the 128-bit vector of [4 x i32] in \a __Y, and
/// returns the result.
///
/// \headerfile <immintrin.h>
///
/// This intrinsic corresponds to the \c SHA1NEXTE instruction.
///
/// \param __X
/// A 128-bit vector of [4 x i32] containing the current SHA-1 state.
/// \param __Y
/// A 128-bit vector of [4 x i32] containing the next four elements of the
/// message.
/// \returns A 128-bit vector of [4 x i32] containing the updated SHA-1
/// values.
static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_sha1nexte_epu32(__m128i __X, __m128i __Y)
{
return (__m128i)__builtin_ia32_sha1nexte((__v4si)__X, (__v4si)__Y);
}
/// Performs an intermediate calculation for deriving the next four SHA-1
/// message elements using previous message elements from the 128-bit
/// vectors of [4 x i32] in \a __X and \a __Y, and returns the result.
///
/// \headerfile <immintrin.h>
///
/// This intrinsic corresponds to the \c SHA1MSG1 instruction.
///
/// \param __X
/// A 128-bit vector of [4 x i32] containing previous message elements.
/// \param __Y
/// A 128-bit vector of [4 x i32] containing previous message elements.
/// \returns A 128-bit vector of [4 x i32] containing the derived SHA-1
/// elements.
static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_sha1msg1_epu32(__m128i __X, __m128i __Y)
{
return (__m128i)__builtin_ia32_sha1msg1((__v4si)__X, (__v4si)__Y);
}
/// Performs the final calculation for deriving the next four SHA-1 message
/// elements using previous message elements from the 128-bit vectors of
/// [4 x i32] in \a __X and \a __Y, and returns the result.
///
/// \headerfile <immintrin.h>
///
/// This intrinsic corresponds to the \c SHA1MSG2 instruction.
///
/// \param __X
/// A 128-bit vector of [4 x i32] containing an intermediate result.
/// \param __Y
/// A 128-bit vector of [4 x i32] containing previous message values.
/// \returns A 128-bit vector of [4 x i32] containing the updated SHA-1
/// values.
static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_sha1msg2_epu32(__m128i __X, __m128i __Y)
{
return (__m128i)__builtin_ia32_sha1msg2((__v4si)__X, (__v4si)__Y);
}
/// Performs two rounds of SHA-256 operation using the following inputs: a
/// starting SHA-256 state (C, D, G, H) from the 128-bit vector of
/// [4 x i32] in \a __X; a starting SHA-256 state (A, B, E, F) from the
/// 128-bit vector of [4 x i32] in \a __Y; and a pre-computed sum of the
/// next two message elements (unsigned 32-bit integers) and corresponding
/// rounding constants from the 128-bit vector of [4 x i32] in \a __Z.
/// Returns the updated SHA-256 state (A, B, E, F) as a 128-bit vector of
/// [4 x i32].
///
/// The SHA-256 algorithm has a core loop of 64 iterations. This intrinsic
/// performs two of those iterations.
///
/// \headerfile <immintrin.h>
///
/// This intrinsic corresponds to the \c SHA256RNDS2 instruction.
///
/// \param __X
/// A 128-bit vector of [4 x i32] containing part of the initial SHA-256
/// state.
/// \param __Y
/// A 128-bit vector of [4 x i32] containing part of the initial SHA-256
/// state.
/// \param __Z
/// A 128-bit vector of [4 x i32] containing additional input to the
/// SHA-256 operation.
/// \returns A 128-bit vector of [4 x i32] containing the updated SHA-1 state.
static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_sha256rnds2_epu32(__m128i __X, __m128i __Y, __m128i __Z)
{
return (__m128i)__builtin_ia32_sha256rnds2((__v4si)__X, (__v4si)__Y, (__v4si)__Z);
}
/// Performs an intermediate calculation for deriving the next four SHA-256
/// message elements using previous message elements from the 128-bit
/// vectors of [4 x i32] in \a __X and \a __Y, and returns the result.
///
/// \headerfile <immintrin.h>
///
/// This intrinsic corresponds to the \c SHA256MSG1 instruction.
///
/// \param __X
/// A 128-bit vector of [4 x i32] containing previous message elements.
/// \param __Y
/// A 128-bit vector of [4 x i32] containing previous message elements.
/// \returns A 128-bit vector of [4 x i32] containing the updated SHA-256
/// values.
static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_sha256msg1_epu32(__m128i __X, __m128i __Y)
{
return (__m128i)__builtin_ia32_sha256msg1((__v4si)__X, (__v4si)__Y);
}
/// Performs the final calculation for deriving the next four SHA-256 message
/// elements using previous message elements from the 128-bit vectors of
/// [4 x i32] in \a __X and \a __Y, and returns the result.
///
/// \headerfile <immintrin.h>
///
/// This intrinsic corresponds to the \c SHA256MSG2 instruction.
///
/// \param __X
/// A 128-bit vector of [4 x i32] containing an intermediate result.
/// \param __Y
/// A 128-bit vector of [4 x i32] containing previous message values.
/// \returns A 128-bit vector of [4 x i32] containing the updated SHA-256
/// values.
static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_sha256msg2_epu32(__m128i __X, __m128i __Y)
{
return (__m128i)__builtin_ia32_sha256msg2((__v4si)__X, (__v4si)__Y);
}
#undef __DEFAULT_FN_ATTRS
#endif /* __SHAINTRIN_H */