1*7c3d14c8STreehugger Robot /* ===-- ucmpdi2.c - Implement __ucmpdi2 -----------------------------------=== 2*7c3d14c8STreehugger Robot * 3*7c3d14c8STreehugger Robot * The LLVM Compiler Infrastructure 4*7c3d14c8STreehugger Robot * 5*7c3d14c8STreehugger Robot * This file is dual licensed under the MIT and the University of Illinois Open 6*7c3d14c8STreehugger Robot * Source Licenses. See LICENSE.TXT for details. 7*7c3d14c8STreehugger Robot * 8*7c3d14c8STreehugger Robot * ===----------------------------------------------------------------------=== 9*7c3d14c8STreehugger Robot * 10*7c3d14c8STreehugger Robot * This file implements __ucmpdi2 for the compiler_rt library. 11*7c3d14c8STreehugger Robot * 12*7c3d14c8STreehugger Robot * ===----------------------------------------------------------------------=== 13*7c3d14c8STreehugger Robot */ 14*7c3d14c8STreehugger Robot 15*7c3d14c8STreehugger Robot #include "int_lib.h" 16*7c3d14c8STreehugger Robot 17*7c3d14c8STreehugger Robot /* Returns: if (a < b) returns 0 18*7c3d14c8STreehugger Robot * if (a == b) returns 1 19*7c3d14c8STreehugger Robot * if (a > b) returns 2 20*7c3d14c8STreehugger Robot */ 21*7c3d14c8STreehugger Robot 22*7c3d14c8STreehugger Robot COMPILER_RT_ABI si_int __ucmpdi2(du_int a,du_int b)23*7c3d14c8STreehugger Robot__ucmpdi2(du_int a, du_int b) 24*7c3d14c8STreehugger Robot { 25*7c3d14c8STreehugger Robot udwords x; 26*7c3d14c8STreehugger Robot x.all = a; 27*7c3d14c8STreehugger Robot udwords y; 28*7c3d14c8STreehugger Robot y.all = b; 29*7c3d14c8STreehugger Robot if (x.s.high < y.s.high) 30*7c3d14c8STreehugger Robot return 0; 31*7c3d14c8STreehugger Robot if (x.s.high > y.s.high) 32*7c3d14c8STreehugger Robot return 2; 33*7c3d14c8STreehugger Robot if (x.s.low < y.s.low) 34*7c3d14c8STreehugger Robot return 0; 35*7c3d14c8STreehugger Robot if (x.s.low > y.s.low) 36*7c3d14c8STreehugger Robot return 2; 37*7c3d14c8STreehugger Robot return 1; 38*7c3d14c8STreehugger Robot } 39*7c3d14c8STreehugger Robot 40*7c3d14c8STreehugger Robot #ifdef __ARM_EABI__ 41*7c3d14c8STreehugger Robot /* Returns: if (a < b) returns -1 42*7c3d14c8STreehugger Robot * if (a == b) returns 0 43*7c3d14c8STreehugger Robot * if (a > b) returns 1 44*7c3d14c8STreehugger Robot */ 45*7c3d14c8STreehugger Robot COMPILER_RT_ABI si_int __aeabi_ulcmp(di_int a,di_int b)46*7c3d14c8STreehugger Robot__aeabi_ulcmp(di_int a, di_int b) 47*7c3d14c8STreehugger Robot { 48*7c3d14c8STreehugger Robot return __ucmpdi2(a, b) - 1; 49*7c3d14c8STreehugger Robot } 50*7c3d14c8STreehugger Robot #endif 51*7c3d14c8STreehugger Robot 52