clang API Documentation
00001 /* ===-------- ia32intrin.h ---------------------------------------------------=== 00002 * 00003 * Permission is hereby granted, free of charge, to any person obtaining a copy 00004 * of this software and associated documentation files (the "Software"), to deal 00005 * in the Software without restriction, including without limitation the rights 00006 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00007 * copies of the Software, and to permit persons to whom the Software is 00008 * furnished to do so, subject to the following conditions: 00009 * 00010 * The above copyright notice and this permission notice shall be included in 00011 * all copies or substantial portions of the Software. 00012 * 00013 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00014 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00015 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00016 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00017 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00018 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00019 * THE SOFTWARE. 00020 * 00021 *===-----------------------------------------------------------------------=== 00022 */ 00023 00024 #ifndef __X86INTRIN_H 00025 #error "Never use <ia32intrin.h> directly; include <x86intrin.h> instead." 00026 #endif 00027 00028 #ifndef __IA32INTRIN_H 00029 #define __IA32INTRIN_H 00030 00031 #ifdef __x86_64__ 00032 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 00033 __readeflags(void) 00034 { 00035 unsigned long long __res = 0; 00036 __asm__ __volatile__ ("pushf\n\t" 00037 "popq %0\n" 00038 :"=r"(__res) 00039 : 00040 : 00041 ); 00042 return __res; 00043 } 00044 00045 static __inline__ void __attribute__((__always_inline__, __nodebug__)) 00046 __writeeflags(unsigned long long __f) 00047 { 00048 __asm__ __volatile__ ("pushq %0\n\t" 00049 "popf\n" 00050 : 00051 :"r"(__f) 00052 :"flags" 00053 ); 00054 } 00055 00056 #else /* !__x86_64__ */ 00057 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) 00058 __readeflags(void) 00059 { 00060 unsigned int __res = 0; 00061 __asm__ __volatile__ ("pushf\n\t" 00062 "popl %0\n" 00063 :"=r"(__res) 00064 : 00065 : 00066 ); 00067 return __res; 00068 } 00069 00070 static __inline__ void __attribute__((__always_inline__, __nodebug__)) 00071 __writeeflags(unsigned int __f) 00072 { 00073 __asm__ __volatile__ ("pushl %0\n\t" 00074 "popf\n" 00075 : 00076 :"r"(__f) 00077 :"flags" 00078 ); 00079 } 00080 #endif /* !__x86_64__ */ 00081 00082 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 00083 __rdpmc(int __A) { 00084 return __builtin_ia32_rdpmc(__A); 00085 } 00086 00087 /* __rdtsc */ 00088 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 00089 __rdtsc(void) { 00090 return __builtin_ia32_rdtsc(); 00091 } 00092 00093 /* __rdtscp */ 00094 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 00095 __rdtscp(unsigned int *__A) { 00096 return __builtin_ia32_rdtscp(__A); 00097 } 00098 00099 #define _rdtsc() __rdtsc() 00100 00101 #endif /* __IA32INTRIN_H */