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1 /*===---- xtestintrin.h - XTEST intrinsic ----------------------------------===
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2 *
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3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 * See https://llvm.org/LICENSE.txt for license information.
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5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 *
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7 *===-----------------------------------------------------------------------===
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8 */
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9
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10 #ifndef __IMMINTRIN_H
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11 #error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."
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12 #endif
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13
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14 #ifndef __XTESTINTRIN_H
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15 #define __XTESTINTRIN_H
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16
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17 /* xtest returns non-zero if the instruction is executed within an RTM or active
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18 * HLE region. */
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19 /* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is
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20 * supported. */
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21 static __inline__ int
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22 __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
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23 _xtest(void) {
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24 return __builtin_ia32_xtest();
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25 }
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26
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27 #endif
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