clang/lib/Headers/pconfigintrin.h

   1 /*===---- pconfigintrin.h - X86 platform configuration ---------------------===
   2  *
   3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4  * See https://llvm.org/LICENSE.txt for license information.
   5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6  *
   7  *===-----------------------------------------------------------------------===
   8  */
   9
  10 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
  11 #error "Never use <pconfigintrin.h> directly; include <x86intrin.h> instead."
  12 #endif
  13
  14 #ifndef __PCONFIGINTRIN_H
  15 #define __PCONFIGINTRIN_H
  16
  17 #define __PCONFIG_KEY_PROGRAM 0x00000001
  18
  19 #if __has_extension(gnu_asm)
  20
  21 /* Define the default attributes for the functions in this file. */
  22 #define __DEFAULT_FN_ATTRS \
  23   __attribute__((__always_inline__, __nodebug__,  __target__("pconfig")))
  24
  25 static __inline unsigned int __DEFAULT_FN_ATTRS
  26 _pconfig_u32(unsigned int __leaf, __SIZE_TYPE__ __d[])
  27 {
  28   unsigned int __result;
  29   __asm__ ("pconfig"
  30            : "=a" (__result), "=b" (__d[0]), "=c" (__d[1]), "=d" (__d[2])
  31            : "a" (__leaf), "b" (__d[0]), "c" (__d[1]), "d" (__d[2])
  32            : "cc");
  33   return __result;
  34 }
  35
  36 #undef __DEFAULT_FN_ATTRS
  37
  38 #endif /* __has_extension(gnu_asm) */
  39
  40 #endif