| /*===---- fxsrintrin.h - FXSR intrinsic ------------------------------------=== |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| #ifndef __IMMINTRIN_H |
| #error "Never use <fxsrintrin.h> directly; include <immintrin.h> instead." |
| #endif |
| |
| #ifndef __FXSRINTRIN_H |
| #define __FXSRINTRIN_H |
| |
| #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("fxsr"))) |
| |
| /// \brief Saves the XMM, MMX, MXCSR and x87 FPU registers into a 512-byte |
| /// memory region pointed to by the input parameter \a __p. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> FXSAVE </c> instruction. |
| /// |
| /// \param __p |
| /// A pointer to a 512-byte memory region. The beginning of this memory |
| /// region should be aligned on a 16-byte boundary. |
| static __inline__ void __DEFAULT_FN_ATTRS |
| _fxsave(void *__p) |
| { |
| return __builtin_ia32_fxsave(__p); |
| } |
| |
| /// \brief Restores the XMM, MMX, MXCSR and x87 FPU registers from the 512-byte |
| /// memory region pointed to by the input parameter \a __p. The contents of |
| /// this memory region should have been written to by a previous \c _fxsave |
| /// or \c _fxsave64 intrinsic. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> FXRSTOR </c> instruction. |
| /// |
| /// \param __p |
| /// A pointer to a 512-byte memory region. The beginning of this memory |
| /// region should be aligned on a 16-byte boundary. |
| static __inline__ void __DEFAULT_FN_ATTRS |
| _fxrstor(void *__p) |
| { |
| return __builtin_ia32_fxrstor(__p); |
| } |
| |
| #ifdef __x86_64__ |
| /// \brief Saves the XMM, MMX, MXCSR and x87 FPU registers into a 512-byte |
| /// memory region pointed to by the input parameter \a __p. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> FXSAVE64 </c> instruction. |
| /// |
| /// \param __p |
| /// A pointer to a 512-byte memory region. The beginning of this memory |
| /// region should be aligned on a 16-byte boundary. |
| static __inline__ void __DEFAULT_FN_ATTRS |
| _fxsave64(void *__p) |
| { |
| return __builtin_ia32_fxsave64(__p); |
| } |
| |
| /// \brief Restores the XMM, MMX, MXCSR and x87 FPU registers from the 512-byte |
| /// memory region pointed to by the input parameter \a __p. The contents of |
| /// this memory region should have been written to by a previous \c _fxsave |
| /// or \c _fxsave64 intrinsic. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> FXRSTOR64 </c> instruction. |
| /// |
| /// \param __p |
| /// A pointer to a 512-byte memory region. The beginning of this memory |
| /// region should be aligned on a 16-byte boundary. |
| static __inline__ void __DEFAULT_FN_ATTRS |
| _fxrstor64(void *__p) |
| { |
| return __builtin_ia32_fxrstor64(__p); |
| } |
| #endif |
| |
| #undef __DEFAULT_FN_ATTRS |
| |
| #endif |