141 lines
2.4 KiB
C
141 lines
2.4 KiB
C
/* ===-- int_lib.h - configuration header for compiler-rt -----------------===
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*
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* The LLVM Compiler Infrastructure
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*
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* This file is dual licensed under the MIT and the University of Illinois Open
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* Source Licenses. See LICENSE.TXT for details.
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*
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* ===----------------------------------------------------------------------===
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*
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* This file is not part of the interface of this library.
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*
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* This file defines various standard types, most importantly a number of unions
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* used to access parts of larger types.
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*
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* ===----------------------------------------------------------------------===
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*/
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#ifndef INT_TYPES_H
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#define INT_TYPES_H
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#include "int_endianness.h"
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typedef int si_int;
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typedef unsigned su_int;
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typedef long long di_int;
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typedef unsigned long long du_int;
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typedef union
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{
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di_int all;
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struct
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{
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#if _YUGA_LITTLE_ENDIAN
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su_int low;
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si_int high;
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#else
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si_int high;
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su_int low;
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#endif /* _YUGA_LITTLE_ENDIAN */
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}s;
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} dwords;
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typedef union
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{
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du_int all;
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struct
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{
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#if _YUGA_LITTLE_ENDIAN
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su_int low;
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su_int high;
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#else
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su_int high;
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su_int low;
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#endif /* _YUGA_LITTLE_ENDIAN */
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}s;
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} udwords;
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#if __x86_64
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typedef int ti_int __attribute__ ((mode (TI)));
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typedef unsigned tu_int __attribute__ ((mode (TI)));
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typedef union
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{
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ti_int all;
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struct
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{
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#if _YUGA_LITTLE_ENDIAN
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du_int low;
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di_int high;
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#else
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di_int high;
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du_int low;
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#endif /* _YUGA_LITTLE_ENDIAN */
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}s;
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} twords;
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typedef union
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{
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tu_int all;
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struct
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{
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#if _YUGA_LITTLE_ENDIAN
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du_int low;
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du_int high;
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#else
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du_int high;
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du_int low;
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#endif /* _YUGA_LITTLE_ENDIAN */
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}s;
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} utwords;
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static inline ti_int make_ti(di_int h, di_int l) {
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twords r;
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r.s.high = h;
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r.s.low = l;
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return r.all;
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}
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static inline tu_int make_tu(du_int h, du_int l) {
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utwords r;
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r.s.high = h;
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r.s.low = l;
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return r.all;
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}
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#endif /* __x86_64 */
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typedef union
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{
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su_int u;
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float f;
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} float_bits;
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typedef union
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{
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udwords u;
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double f;
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} double_bits;
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typedef struct
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{
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#if _YUGA_LITTLE_ENDIAN
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udwords low;
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udwords high;
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#else
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udwords high;
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udwords low;
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#endif /* _YUGA_LITTLE_ENDIAN */
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} uqwords;
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typedef union
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{
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uqwords u;
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long double f;
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} long_double_bits;
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#endif /* INT_TYPES_H */
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