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int_lib.h (2667B)

      1 //===-- int_lib.h - LLP64 little-endian ----------------------------------===//
      2 //
      3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4 // See https://llvm.org/LICENSE.txt for license information.
      5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6 //
      7 // kit-tailored: LLP64 (long == 32, pointer == 64), little-endian,
      8 // freestanding. Targets: Win64 x86_64.
      9 //===----------------------------------------------------------------------===//
     10 
     11 #ifndef INT_LIB_H
     12 #define INT_LIB_H
     13 
     14 #define COMPILER_RT_ABI
     15 
     16 #define ALWAYS_INLINE __attribute__((always_inline))
     17 #define NOINLINE __attribute__((noinline))
     18 #define NORETURN __attribute__((noreturn))
     19 #define UNUSED __attribute__((unused))
     20 
     21 #include <float.h>
     22 #include <limits.h>
     23 #include <stdbool.h>
     24 #include <stdint.h>
     25 
     26 // ---- int_types.h (merged) ----
     27 #ifndef INT_TYPES_H
     28 #define INT_TYPES_H
     29 
     30 // (was int_endianness.h — only defined the markers below)
     31 #define _YUGA_LITTLE_ENDIAN 1
     32 #define _YUGA_BIG_ENDIAN 0
     33 
     34 #ifdef si_int
     35 #undef si_int
     36 #endif
     37 typedef int32_t si_int;
     38 typedef uint32_t su_int;
     39 #define clzsi __builtin_clz
     40 #define ctzsi __builtin_ctz
     41 
     42 typedef int64_t di_int;
     43 typedef uint64_t du_int;
     44 
     45 typedef union {
     46   di_int all;
     47   struct {
     48     su_int low;
     49     si_int high;
     50   } s;
     51 } dwords;
     52 
     53 typedef union {
     54   du_int all;
     55   struct {
     56     su_int low;
     57     su_int high;
     58   } s;
     59 } udwords;
     60 
     61 #define CRT_HAS_128BIT
     62 typedef int ti_int __attribute__((mode(TI)));
     63 typedef unsigned tu_int __attribute__((mode(TI)));
     64 
     65 typedef union {
     66   ti_int all;
     67   struct {
     68     du_int low;
     69     di_int high;
     70   } s;
     71 } twords;
     72 
     73 typedef union {
     74   tu_int all;
     75   struct {
     76     du_int low;
     77     du_int high;
     78   } s;
     79 } utwords;
     80 
     81 static inline ti_int make_ti(di_int h, di_int l) {
     82   twords r;
     83   r.s.high = h;
     84   r.s.low = l;
     85   return r.all;
     86 }
     87 static inline tu_int make_tu(du_int h, du_int l) {
     88   utwords r;
     89   r.s.high = h;
     90   r.s.low = l;
     91   return r.all;
     92 }
     93 
     94 #define CRT_HAS_FLOATING_POINT 1
     95 
     96 typedef union {
     97   su_int u;
     98   float f;
     99 } float_bits;
    100 typedef union {
    101   udwords u;
    102   double f;
    103 } double_bits;
    104 typedef struct {
    105   udwords low;
    106   udwords high;
    107 } uqwords;
    108 
    109 #endif  // INT_TYPES_H
    110 #include "int_util.h"
    111 
    112 COMPILER_RT_ABI int __paritysi2(si_int a);
    113 COMPILER_RT_ABI int __paritydi2(di_int a);
    114 COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b);
    115 COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b);
    116 COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d);
    117 COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem);
    118 COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem);
    119 COMPILER_RT_ABI int __clzti2(ti_int a);
    120 COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem);
    121 
    122 #endif  // INT_LIB_H