int_lib.h (2386B)
1 //===-- int_lib.h - ILP32 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: ILP32 (long == 32, pointer == 32), little-endian, 8 // freestanding. No 128-bit integer support (no ti_int / __int128). Targets: 9 // Linux/Darwin x86, ARM32, RV32, WASM32. 10 //===----------------------------------------------------------------------===// 11 12 #ifndef INT_LIB_H 13 #define INT_LIB_H 14 15 #define COMPILER_RT_ABI 16 17 // ARM AEABI runtime helpers explicitly use the AAPCS PCS regardless of the 18 // translation unit default. kit's ARM target is always AAPCS, so this is 19 // effectively a no-op, but the symbol must exist for the arm/ source files. 20 #define AEABI_RTABI __attribute__((__pcs__("aapcs"))) 21 22 #define ALWAYS_INLINE __attribute__((always_inline)) 23 #define NOINLINE __attribute__((noinline)) 24 #define NORETURN __attribute__((noreturn)) 25 #define UNUSED __attribute__((unused)) 26 27 #include <float.h> 28 #include <limits.h> 29 #include <stdbool.h> 30 #include <stdint.h> 31 32 // ---- int_types.h (merged) ---- 33 #ifndef INT_TYPES_H 34 #define INT_TYPES_H 35 36 // (was int_endianness.h — only defined the markers below) 37 #define _YUGA_LITTLE_ENDIAN 1 38 #define _YUGA_BIG_ENDIAN 0 39 40 #ifdef si_int 41 #undef si_int 42 #endif 43 typedef int32_t si_int; 44 typedef uint32_t su_int; 45 #define clzsi __builtin_clz 46 #define ctzsi __builtin_ctz 47 48 typedef int64_t di_int; 49 typedef uint64_t du_int; 50 51 typedef union { 52 di_int all; 53 struct { 54 su_int low; 55 si_int high; 56 } s; 57 } dwords; 58 59 typedef union { 60 du_int all; 61 struct { 62 su_int low; 63 su_int high; 64 } s; 65 } udwords; 66 67 #define CRT_HAS_FLOATING_POINT 1 68 69 typedef union { 70 su_int u; 71 float f; 72 } float_bits; 73 typedef union { 74 udwords u; 75 double f; 76 } double_bits; 77 typedef struct { 78 udwords low; 79 udwords high; 80 } uqwords; 81 82 #endif // INT_TYPES_H 83 #include "int_util.h" 84 85 COMPILER_RT_ABI int __paritysi2(si_int a); 86 COMPILER_RT_ABI int __paritydi2(di_int a); 87 COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b); 88 COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b); 89 COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d); 90 COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem); 91 COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem); 92 93 #endif // INT_LIB_H