1*0b57cec5SDimitry Andric //===-- ucmpdi2.c - Implement __ucmpdi2 -----------------------------------===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric // 9*0b57cec5SDimitry Andric // This file implements __ucmpdi2 for the compiler_rt library. 10*0b57cec5SDimitry Andric // 11*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric #include "int_lib.h" 14*0b57cec5SDimitry Andric 15*0b57cec5SDimitry Andric // Returns: if (a < b) returns 0 16*0b57cec5SDimitry Andric // if (a == b) returns 1 17*0b57cec5SDimitry Andric // if (a > b) returns 2 18*0b57cec5SDimitry Andric __ucmpdi2(du_int a,du_int b)19*0b57cec5SDimitry AndricCOMPILER_RT_ABI si_int __ucmpdi2(du_int a, du_int b) { 20*0b57cec5SDimitry Andric udwords x; 21*0b57cec5SDimitry Andric x.all = a; 22*0b57cec5SDimitry Andric udwords y; 23*0b57cec5SDimitry Andric y.all = b; 24*0b57cec5SDimitry Andric if (x.s.high < y.s.high) 25*0b57cec5SDimitry Andric return 0; 26*0b57cec5SDimitry Andric if (x.s.high > y.s.high) 27*0b57cec5SDimitry Andric return 2; 28*0b57cec5SDimitry Andric if (x.s.low < y.s.low) 29*0b57cec5SDimitry Andric return 0; 30*0b57cec5SDimitry Andric if (x.s.low > y.s.low) 31*0b57cec5SDimitry Andric return 2; 32*0b57cec5SDimitry Andric return 1; 33*0b57cec5SDimitry Andric } 34*0b57cec5SDimitry Andric 35*0b57cec5SDimitry Andric #ifdef __ARM_EABI__ 36*0b57cec5SDimitry Andric // Returns: if (a < b) returns -1 37*0b57cec5SDimitry Andric // if (a == b) returns 0 38*0b57cec5SDimitry Andric // if (a > b) returns 1 __aeabi_ulcmp(di_int a,di_int b)39*0b57cec5SDimitry AndricCOMPILER_RT_ABI si_int __aeabi_ulcmp(di_int a, di_int b) { 40*0b57cec5SDimitry Andric return __ucmpdi2(a, b) - 1; 41*0b57cec5SDimitry Andric } 42*0b57cec5SDimitry Andric #endif 43