1 /* ===-- fixunsdfdi.c - Implement __fixunsdfdi -----------------------------=== 2 * 3 * The LLVM Compiler Infrastructure 4 * 5 * This file is dual licensed under the MIT and the University of Illinois Open 6 * Source Licenses. See LICENSE.TXT for details. 7 * 8 * ===----------------------------------------------------------------------=== 9 */ 10 11 #define DOUBLE_PRECISION 12 #include "fp_lib.h" 13 14 #ifndef __SOFT_FP__ 15 /* Support for systems that have hardware floating-point; can set the invalid 16 * flag as a side-effect of computation. 17 */ 18 19 COMPILER_RT_ABI du_int 20 __fixunsdfdi(double a) 21 { 22 if (a <= 0.0) return 0; 23 su_int high = a / 4294967296.f; /* a / 0x1p32f; */ 24 su_int low = a - (double)high * 4294967296.f; /* high * 0x1p32f; */ 25 return ((du_int)high << 32) | low; 26 } 27 28 #else 29 /* Support for systems that don't have hardware floating-point; there are no 30 * flags to set, and we don't want to code-gen to an unknown soft-float 31 * implementation. 32 */ 33 34 typedef du_int fixuint_t; 35 #include "fp_fixuint_impl.inc" 36 37 COMPILER_RT_ABI du_int 38 __fixunsdfdi(fp_t a) { 39 return __fixuint(a); 40 } 41 42 #endif 43 44 #if defined(__ARM_EABI__) 45 #if defined(COMPILER_RT_ARMHF_TARGET) 46 AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) { 47 return __fixunsdfdi(a); 48 } 49 #else 50 AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) COMPILER_RT_ALIAS(__fixunsdfdi); 51 #endif 52 #endif 53