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| 1 /* ===-------- ia32intrin.h ---------------------------------------------------=
== |
| 2 * |
| 3 * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 4 * of this software and associated documentation files (the "Software"), to deal |
| 5 * in the Software without restriction, including without limitation the rights |
| 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 7 * copies of the Software, and to permit persons to whom the Software is |
| 8 * furnished to do so, subject to the following conditions: |
| 9 * |
| 10 * The above copyright notice and this permission notice shall be included in |
| 11 * all copies or substantial portions of the Software. |
| 12 * |
| 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 19 * THE SOFTWARE. |
| 20 * |
| 21 *===-----------------------------------------------------------------------=== |
| 22 */ |
| 23 |
| 24 #ifndef __X86INTRIN_H |
| 25 #error "Never use <ia32intrin.h> directly; include <x86intrin.h> instead." |
| 26 #endif |
| 27 |
| 28 #ifndef __IA32INTRIN_H |
| 29 #define __IA32INTRIN_H |
| 30 |
| 31 #ifdef __x86_64__ |
| 32 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug
__)) |
| 33 __readeflags(void) |
| 34 { |
| 35 unsigned long long __res = 0; |
| 36 __asm__ __volatile__ ("pushf\n\t" |
| 37 "popq %0\n" |
| 38 :"=r"(__res) |
| 39 : |
| 40 : |
| 41 ); |
| 42 return __res; |
| 43 } |
| 44 |
| 45 static __inline__ void __attribute__((__always_inline__, __nodebug__)) |
| 46 __writeeflags(unsigned long long __f) |
| 47 { |
| 48 __asm__ __volatile__ ("pushq %0\n\t" |
| 49 "popf\n" |
| 50 : |
| 51 :"r"(__f) |
| 52 :"flags" |
| 53 ); |
| 54 } |
| 55 |
| 56 #else /* !__x86_64__ */ |
| 57 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 58 __readeflags(void) |
| 59 { |
| 60 unsigned int __res = 0; |
| 61 __asm__ __volatile__ ("pushf\n\t" |
| 62 "popl %0\n" |
| 63 :"=r"(__res) |
| 64 : |
| 65 : |
| 66 ); |
| 67 return __res; |
| 68 } |
| 69 |
| 70 static __inline__ void __attribute__((__always_inline__, __nodebug__)) |
| 71 __writeeflags(unsigned int __f) |
| 72 { |
| 73 __asm__ __volatile__ ("pushl %0\n\t" |
| 74 "popf\n" |
| 75 : |
| 76 :"r"(__f) |
| 77 :"flags" |
| 78 ); |
| 79 } |
| 80 #endif /* !__x86_64__ */ |
| 81 |
| 82 #endif /* __IA32INTRIN_H */ |
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