zig/lib/include/xsaveintrin.h

/*===---- xsaveintrin.h - XSAVE intrinsic ----------------------------------===
 *
 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 * See https://llvm.org/LICENSE.txt for license information.
 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 *
 *===-----------------------------------------------------------------------===
 */

#ifndef __IMMINTRIN_H
#error "Never use <xsaveintrin.h> directly; include <immintrin.h> instead."
#endif

#ifndef __XSAVEINTRIN_H
#define __XSAVEINTRIN_H

#ifdef _MSC_VER
#define _XCR_XFEATURE_ENABLED_MASK 0
#endif

/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__,  __target__("xsave")))

static __inline__ void __DEFAULT_FN_ATTRS
_xsave(void *__p, unsigned long long __m) {
  __builtin_ia32_xsave(__p, __m);
}

static __inline__ void __DEFAULT_FN_ATTRS
_xrstor(void *__p, unsigned long long __m) {
  __builtin_ia32_xrstor(__p, __m);
}

#ifndef _MSC_VER
#define _xgetbv(A) __builtin_ia32_xgetbv((long long)(A))
#define _xsetbv(A, B) __builtin_ia32_xsetbv((unsigned int)(A), (unsigned long long)(B))
#else
#ifdef __cplusplus
extern "C" {
#endif
unsigned __int64 __cdecl _xgetbv(unsigned int);
void __cdecl _xsetbv(unsigned int, unsigned __int64);
#ifdef __cplusplus
}
#endif
#endif /* _MSC_VER */

#ifdef __x86_64__
static __inline__ void __DEFAULT_FN_ATTRS
_xsave64(void *__p, unsigned long long __m) {
  __builtin_ia32_xsave64(__p, __m);
}

static __inline__ void __DEFAULT_FN_ATTRS
_xrstor64(void *__p, unsigned long long __m) {
  __builtin_ia32_xrstor64(__p, __m);
}

#endif

#undef __DEFAULT_FN_ATTRS

#endif