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103 lines
3.1 KiB
C
Vendored
103 lines
3.1 KiB
C
Vendored
/*===---- adxintrin.h - ADX intrinsics -------------------------------------===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===-----------------------------------------------------------------------===
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*/
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#ifndef __IMMINTRIN_H
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#error "Never use <adxintrin.h> directly; include <immintrin.h> instead."
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#endif
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#ifndef __ADXINTRIN_H
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#define __ADXINTRIN_H
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/* Define the default attributes for the functions in this file. */
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#define __DEFAULT_FN_ATTRS \
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__attribute__((__always_inline__, __nodebug__, __target__("adx")))
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/* Use C++ inline semantics in C++, GNU inline for C mode. */
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#if defined(__cplusplus)
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#define __INLINE __inline
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#else
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#define __INLINE static __inline
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Intrinsics that are available only if __ADX__ is defined. */
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/// Adds unsigned 32-bit integers \a __x and \a __y, plus 0 or 1 as indicated
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/// by the carry flag \a __cf. Stores the unsigned 32-bit sum in the memory
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/// at \a __p, and returns the 8-bit carry-out (carry flag).
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///
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/// \code{.operation}
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/// temp := (__cf == 0) ? 0 : 1
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/// Store32(__p, __x + __y + temp)
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/// result := CF
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/// \endcode
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///
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/// \headerfile <immintrin.h>
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///
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/// This intrinsic corresponds to the \c ADCX instruction.
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///
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/// \param __cf
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/// The 8-bit unsigned carry flag; any non-zero value indicates carry.
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/// \param __x
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/// A 32-bit unsigned addend.
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/// \param __y
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/// A 32-bit unsigned addend.
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/// \param __p
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/// Pointer to memory for storing the sum.
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/// \returns The 8-bit unsigned carry-out value.
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__INLINE unsigned char __DEFAULT_FN_ATTRS _addcarryx_u32(unsigned char __cf,
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unsigned int __x,
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unsigned int __y,
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unsigned int *__p) {
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return __builtin_ia32_addcarryx_u32(__cf, __x, __y, __p);
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}
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#ifdef __x86_64__
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/// Adds unsigned 64-bit integers \a __x and \a __y, plus 0 or 1 as indicated
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/// by the carry flag \a __cf. Stores the unsigned 64-bit sum in the memory
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/// at \a __p, and returns the 8-bit carry-out (carry flag).
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///
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/// \code{.operation}
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/// temp := (__cf == 0) ? 0 : 1
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/// Store64(__p, __x + __y + temp)
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/// result := CF
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/// \endcode
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///
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/// \headerfile <immintrin.h>
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///
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/// This intrinsic corresponds to the \c ADCX instruction.
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///
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/// \param __cf
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/// The 8-bit unsigned carry flag; any non-zero value indicates carry.
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/// \param __x
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/// A 64-bit unsigned addend.
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/// \param __y
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/// A 64-bit unsigned addend.
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/// \param __p
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/// Pointer to memory for storing the sum.
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/// \returns The 8-bit unsigned carry-out value.
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__INLINE unsigned char __DEFAULT_FN_ATTRS
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_addcarryx_u64(unsigned char __cf, unsigned long long __x,
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unsigned long long __y, unsigned long long *__p) {
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return __builtin_ia32_addcarryx_u64(__cf, __x, __y, __p);
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}
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#endif
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#if defined(__cplusplus)
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}
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#endif
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#undef __INLINE
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#undef __DEFAULT_FN_ATTRS
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#endif /* __ADXINTRIN_H */
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