10ba22f51SPetr Hosek //===-- divsi3.c - Implement __divsi3 -------------------------------------===// 20ba22f51SPetr Hosek // 30ba22f51SPetr Hosek // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40ba22f51SPetr Hosek // See https://llvm.org/LICENSE.txt for license information. 50ba22f51SPetr Hosek // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60ba22f51SPetr Hosek // 70ba22f51SPetr Hosek //===----------------------------------------------------------------------===// 80ba22f51SPetr Hosek // 90ba22f51SPetr Hosek // This file implements __divsi3 for the compiler_rt library. 100ba22f51SPetr Hosek // 110ba22f51SPetr Hosek //===----------------------------------------------------------------------===// 12a6b264b5SAlexey Samsonov 13a6b264b5SAlexey Samsonov #include "int_lib.h" 14a6b264b5SAlexey Samsonov 150ba22f51SPetr Hosek // Returns: a / b 16a6b264b5SAlexey Samsonov 17*11cf6346SAnatoly Trosinenko #define fixint_t si_int 18*11cf6346SAnatoly Trosinenko #define fixuint_t su_int 190ba22f51SPetr Hosek // On CPUs without unsigned hardware division support, 200ba22f51SPetr Hosek // this calls __udivsi3 (notice the cast to su_int). 210ba22f51SPetr Hosek // On CPUs with unsigned hardware division support, 220ba22f51SPetr Hosek // this uses the unsigned division instruction. 23*11cf6346SAnatoly Trosinenko #define COMPUTE_UDIV(a, b) ((su_int)(a) / (su_int)(b)) 24*11cf6346SAnatoly Trosinenko #include "int_div_impl.inc" 25*11cf6346SAnatoly Trosinenko __divsi3(si_int a,si_int b)26*11cf6346SAnatoly TrosinenkoCOMPILER_RT_ABI si_int __divsi3(si_int a, si_int b) { return __divXi3(a, b); } 2736ac5ddfSSaleem Abdulrasool 2836ac5ddfSSaleem Abdulrasool #if defined(__ARM_EABI__) 2984da0e1bSPetr Hosek COMPILER_RT_ALIAS(__divsi3, __aeabi_idiv) 3036ac5ddfSSaleem Abdulrasool #endif 31