fxsrintrin.h revision 341825
1200062Sed/*===---- fxsrintrin.h - FXSR intrinsic ------------------------------------=== 2200062Sed * 3200062Sed * Permission is hereby granted, free of charge, to any person obtaining a copy 4200062Sed * of this software and associated documentation files (the "Software"), to deal 5200062Sed * in the Software without restriction, including without limitation the rights 6200153Sed * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7200153Sed * copies of the Software, and to permit persons to whom the Software is 8200062Sed * furnished to do so, subject to the following conditions: 9200153Sed * 10200062Sed * The above copyright notice and this permission notice shall be included in 11200153Sed * all copies or substantial portions of the Software. 12200153Sed * 13200062Sed * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14200062Sed * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15200062Sed * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16200153Sed * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17200153Sed * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18200062Sed * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19200153Sed * THE SOFTWARE. 20200153Sed * 21200153Sed *===-----------------------------------------------------------------------=== 22200153Sed */ 23200153Sed 24200153Sed#ifndef __IMMINTRIN_H 25200153Sed#error "Never use <fxsrintrin.h> directly; include <immintrin.h> instead." 26200062Sed#endif 27200062Sed 28200062Sed#ifndef __FXSRINTRIN_H 29200062Sed#define __FXSRINTRIN_H 30200062Sed 31200062Sed#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("fxsr"))) 32 33/// Saves the XMM, MMX, MXCSR and x87 FPU registers into a 512-byte 34/// memory region pointed to by the input parameter \a __p. 35/// 36/// \headerfile <x86intrin.h> 37/// 38/// This intrinsic corresponds to the <c> FXSAVE </c> instruction. 39/// 40/// \param __p 41/// A pointer to a 512-byte memory region. The beginning of this memory 42/// region should be aligned on a 16-byte boundary. 43static __inline__ void __DEFAULT_FN_ATTRS 44_fxsave(void *__p) 45{ 46 __builtin_ia32_fxsave(__p); 47} 48 49/// Restores the XMM, MMX, MXCSR and x87 FPU registers from the 512-byte 50/// memory region pointed to by the input parameter \a __p. The contents of 51/// this memory region should have been written to by a previous \c _fxsave 52/// or \c _fxsave64 intrinsic. 53/// 54/// \headerfile <x86intrin.h> 55/// 56/// This intrinsic corresponds to the <c> FXRSTOR </c> instruction. 57/// 58/// \param __p 59/// A pointer to a 512-byte memory region. The beginning of this memory 60/// region should be aligned on a 16-byte boundary. 61static __inline__ void __DEFAULT_FN_ATTRS 62_fxrstor(void *__p) 63{ 64 __builtin_ia32_fxrstor(__p); 65} 66 67#ifdef __x86_64__ 68/// Saves the XMM, MMX, MXCSR and x87 FPU registers into a 512-byte 69/// memory region pointed to by the input parameter \a __p. 70/// 71/// \headerfile <x86intrin.h> 72/// 73/// This intrinsic corresponds to the <c> FXSAVE64 </c> instruction. 74/// 75/// \param __p 76/// A pointer to a 512-byte memory region. The beginning of this memory 77/// region should be aligned on a 16-byte boundary. 78static __inline__ void __DEFAULT_FN_ATTRS 79_fxsave64(void *__p) 80{ 81 __builtin_ia32_fxsave64(__p); 82} 83 84/// Restores the XMM, MMX, MXCSR and x87 FPU registers from the 512-byte 85/// memory region pointed to by the input parameter \a __p. The contents of 86/// this memory region should have been written to by a previous \c _fxsave 87/// or \c _fxsave64 intrinsic. 88/// 89/// \headerfile <x86intrin.h> 90/// 91/// This intrinsic corresponds to the <c> FXRSTOR64 </c> instruction. 92/// 93/// \param __p 94/// A pointer to a 512-byte memory region. The beginning of this memory 95/// region should be aligned on a 16-byte boundary. 96static __inline__ void __DEFAULT_FN_ATTRS 97_fxrstor64(void *__p) 98{ 99 __builtin_ia32_fxrstor64(__p); 100} 101#endif 102 103#undef __DEFAULT_FN_ATTRS 104 105#endif 106