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