zig

fork of https://codeberg.org/ziglang/zig
Log | Files | Refs | README | LICENSE

pconfigintrin.h (1216B) - Raw


      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