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https://github.com/jart/cosmopolitan.git
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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
#ifndef _IMMINTRIN_H_INCLUDED
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#error "Never use <pconfigintrin.h> directly; include <immintrin.h> instead."
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#endif
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#ifndef _PCONFIGINTRIN_H_INCLUDED
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#define _PCONFIGINTRIN_H_INCLUDED
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#ifndef __PCONFIG__
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#pragma GCC push_options
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#pragma GCC target("pconfig")
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#define __DISABLE_PCONFIG__
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#endif /* __PCONFIG__ */
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#define __pconfig_b(leaf, b, retval) \
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__asm__ __volatile__("pconfig\n\t" \
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: "=a"(retval) \
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: "a"(leaf), "b"(b) \
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: "c" \
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"c")
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#define __pconfig_generic(leaf, b, c, d, retval) \
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__asm__ __volatile__("pconfig\n\t" \
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: "=a"(retval), "=b"(b), "=c"(c), "=d"(d) \
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: "a"(leaf), "b"(b), "c"(c), "d"(d) \
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: "cc")
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extern __inline unsigned int
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__attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_pconfig_u32(const unsigned int __L, size_t __D[]) {
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enum __pconfig_type {
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__PCONFIG_KEY_PROGRAM = 0x01,
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};
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unsigned int __R = 0;
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if (!__builtin_constant_p(__L))
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__pconfig_generic(__L, __D[0], __D[1], __D[2], __R);
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else
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switch (__L) {
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case __PCONFIG_KEY_PROGRAM:
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__pconfig_b(__L, __D[0], __R);
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break;
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default:
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__pconfig_generic(__L, __D[0], __D[1], __D[2], __R);
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}
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return __R;
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}
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#ifdef __DISABLE_PCONFIG__
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#undef __DISABLE_PCONFIG__
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#pragma GCC pop_options
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#endif /* __DISABLE_PCONFIG__ */
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#endif /* _PCONFIGINTRIN_H_INCLUDED */
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