gcc/config/i386/pconfigintrin.h

   1 #ifndef _X86INTRIN_H_INCLUDED
   2 #error "Never use <pconfigintrin.h> directly; include <x86intrin.h> instead."
   3 #endif
   4
   5 #ifndef _PCONFIGINTRIN_H_INCLUDED
   6 #define _PCONFIGINTRIN_H_INCLUDED
   7
   8 #ifndef __PCONFIG__
   9 #pragma GCC push_options
  10 #pragma GCC target("pconfig")
  11 #define __DISABLE_PCONFIG__
  12 #endif /* __PCONFIG__ */
  13
  14 #define __pconfig_b(leaf, b, retval)                    \
  15   __asm__ __volatile__ ("pconfig\n\t"                   \
  16         : "=a" (retval)                                 \
  17         : "a" (leaf), "b" (b)                           \
  18         : "cc")
  19
  20 #define __pconfig_generic(leaf, b, c, d, retval)        \
  21   __asm__ __volatile__ ("pconfig\n\t"                   \
  22         : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)   \
  23         : "a" (leaf), "b" (b), "c" (c), "d" (d)         \
  24         : "cc")
  25
  26 extern __inline unsigned int
  27 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  28 _pconfig_u32 (const unsigned int __L, size_t __D[])
  29 {
  30   enum __pconfig_type
  31   {
  32     __PCONFIG_KEY_PROGRAM = 0x01,
  33   };
  34
  35   unsigned int __R = 0;
  36
  37   if (!__builtin_constant_p (__L))
  38     __pconfig_generic (__L, __D[0], __D[1], __D[2], __R);
  39   else switch (__L)
  40     {
  41     case __PCONFIG_KEY_PROGRAM:
  42       __pconfig_b (__L, __D[0], __R);
  43       break;
  44     default:
  45       __pconfig_generic (__L, __D[0], __D[1], __D[2], __R);
  46     }
  47   return __R;
  48 }
  49
  50 #ifdef __DISABLE_PCONFIG__
  51 #undef __DISABLE_PCONFIG__
  52 #pragma GCC pop_options
  53 #endif /* __DISABLE_PCONFIG__ */
  54
  55 #endif /* _PCONFIGINTRIN_H_INCLUDED */