13cab2bb3Spatrick //===-- divsi3.c - Implement __divsi3 -------------------------------------===// 23cab2bb3Spatrick // 33cab2bb3Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 43cab2bb3Spatrick // See https://llvm.org/LICENSE.txt for license information. 53cab2bb3Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 63cab2bb3Spatrick // 73cab2bb3Spatrick //===----------------------------------------------------------------------===// 83cab2bb3Spatrick // 93cab2bb3Spatrick // This file implements __divsi3 for the compiler_rt library. 103cab2bb3Spatrick // 113cab2bb3Spatrick //===----------------------------------------------------------------------===// 123cab2bb3Spatrick 133cab2bb3Spatrick #include "int_lib.h" 143cab2bb3Spatrick 153cab2bb3Spatrick // Returns: a / b 163cab2bb3Spatrick 17*d89ec533Spatrick #define fixint_t si_int 18*d89ec533Spatrick #define fixuint_t su_int 193cab2bb3Spatrick // On CPUs without unsigned hardware division support, 203cab2bb3Spatrick // this calls __udivsi3 (notice the cast to su_int). 213cab2bb3Spatrick // On CPUs with unsigned hardware division support, 223cab2bb3Spatrick // this uses the unsigned division instruction. 23*d89ec533Spatrick #define COMPUTE_UDIV(a, b) ((su_int)(a) / (su_int)(b)) 24*d89ec533Spatrick #include "int_div_impl.inc" 25*d89ec533Spatrick __divsi3(si_int a,si_int b)26*d89ec533SpatrickCOMPILER_RT_ABI si_int __divsi3(si_int a, si_int b) { return __divXi3(a, b); } 273cab2bb3Spatrick 283cab2bb3Spatrick #if defined(__ARM_EABI__) 293cab2bb3Spatrick COMPILER_RT_ALIAS(__divsi3, __aeabi_idiv) 303cab2bb3Spatrick #endif 31