1 /* ===-- fixunsdfdi.c - Implement __fixunsdfdi -----------------------------===
3 * The LLVM Compiler Infrastructure
5 * This file is dual licensed under the MIT and the University of Illinois Open
6 * Source Licenses. See LICENSE.TXT for details.
8 * ===----------------------------------------------------------------------===
11 #define DOUBLE_PRECISION
15 /* Support for systems that have hardware floating-point; can set the invalid
16 * flag as a side-effect of computation.
19 COMPILER_RT_ABI du_int
20 __fixunsdfdi(double a)
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;
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
34 typedef du_int fixuint_t;
35 #include "fp_fixuint_impl.inc"
37 COMPILER_RT_ABI du_int
38 __fixunsdfdi(fp_t a) {
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);
50 AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) COMPILER_RT_ALIAS(__fixunsdfdi);