zig/lib/include/rdseedintrin.h
Andrew Kelley d3389eadf4 update C headers to LLVM 15
release/15.x 37007475ca1b345b4c5d340e228bcd7a62732d81
2022-07-28 11:54:23 -07:00

43 lines
1.2 KiB
C
Vendored

/*===---- rdseedintrin.h - RDSEED intrinsics -------------------------------===
*
* 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
*
*===-----------------------------------------------------------------------===
*/
#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
#error "Never use <rdseedintrin.h> directly; include <x86intrin.h> instead."
#endif
#ifndef __RDSEEDINTRIN_H
#define __RDSEEDINTRIN_H
/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("rdseed")))
static __inline__ int __DEFAULT_FN_ATTRS
_rdseed16_step(unsigned short *__p)
{
return (int) __builtin_ia32_rdseed16_step(__p);
}
static __inline__ int __DEFAULT_FN_ATTRS
_rdseed32_step(unsigned int *__p)
{
return (int) __builtin_ia32_rdseed32_step(__p);
}
#ifdef __x86_64__
static __inline__ int __DEFAULT_FN_ATTRS
_rdseed64_step(unsigned long long *__p)
{
return (int) __builtin_ia32_rdseed64_step(__p);
}
#endif
#undef __DEFAULT_FN_ATTRS
#endif /* __RDSEEDINTRIN_H */