1 /* Copyright (C) 2018-2021 Free Software Foundation, Inc.
2
3 This file is part of GCC.
4
5 GCC is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 GCC is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 Under Section 7 of GPL version 3, you are granted additional
16 permissions described in the GCC Runtime Library Exception, version
17 3.1, as published by the Free Software Foundation.
18
19 You should have received a copy of the GNU General Public License and
20 a copy of the GCC Runtime Library Exception along with this program;
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 <http://www.gnu.org/licenses/>. */
23
24 #ifndef _X86GPRINTRIN_H_INCLUDED
25 # error "Never use <pconfigintrin.h> directly; include <x86gprintrin.h> instead."
26 #endif
27
28 #ifndef _PCONFIGINTRIN_H_INCLUDED
29 #define _PCONFIGINTRIN_H_INCLUDED
30
31 #ifndef __PCONFIG__
32 #pragma GCC push_options
33 #pragma GCC target("pconfig")
34 #define __DISABLE_PCONFIG__
35 #endif /* __PCONFIG__ */
36
37 #define __pconfig_b(leaf, b, retval) \
38 __asm__ __volatile__ ("pconfig\n\t" \
39 : "=a" (retval) \
40 : "a" (leaf), "b" (b) \
41 : "cc")
42
43 #define __pconfig_generic(leaf, b, c, d, retval) \
44 __asm__ __volatile__ ("pconfig\n\t" \
45 : "=a" (retval), "=b" (b), "=c" (c), "=d" (d) \
46 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
47 : "cc")
48
49 extern __inline unsigned int
50 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_pconfig_u32(const unsigned int __L,size_t __D[])51 _pconfig_u32 (const unsigned int __L, size_t __D[])
52 {
53 enum __pconfig_type
54 {
55 __PCONFIG_KEY_PROGRAM = 0x01,
56 };
57
58 unsigned int __R = 0;
59
60 if (!__builtin_constant_p (__L))
61 __pconfig_generic (__L, __D[0], __D[1], __D[2], __R);
62 else switch (__L)
63 {
64 case __PCONFIG_KEY_PROGRAM:
65 __pconfig_b (__L, __D[0], __R);
66 break;
67 default:
68 __pconfig_generic (__L, __D[0], __D[1], __D[2], __R);
69 }
70 return __R;
71 }
72
73 #ifdef __DISABLE_PCONFIG__
74 #undef __DISABLE_PCONFIG__
75 #pragma GCC pop_options
76 #endif /* __DISABLE_PCONFIG__ */
77
78 #endif /* _PCONFIGINTRIN_H_INCLUDED */
79