1 //===-- fixunssfdi.c - Implement __fixunssfdi -----------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #define SINGLE_PRECISION
10 #include "fp_lib.h"
11 
12 #ifndef __SOFTFP__
13 // Support for systems that have hardware floating-point; can set the invalid
14 // flag as a side-effect of computation.
15 
16 COMPILER_RT_ABI du_int __fixunssfdi(float a) {
17   if (a <= 0.0f)
18     return 0;
19   double da = a;
20   su_int high = da / 4294967296.f;               // da / 0x1p32f;
21   su_int low = da - (double)high * 4294967296.f; // high * 0x1p32f;
22   return ((du_int)high << 32) | low;
23 }
24 
25 #else
26 // Support for systems that don't have hardware floating-point; there are no
27 // flags to set, and we don't want to code-gen to an unknown soft-float
28 // implementation.
29 
30 typedef du_int fixuint_t;
31 #include "fp_fixuint_impl.inc"
32 
33 COMPILER_RT_ABI du_int __fixunssfdi(fp_t a) { return __fixuint(a); }
34 
35 #endif
36 
37 #if defined(__ARM_EABI__)
38 #if defined(COMPILER_RT_ARMHF_TARGET)
39 AEABI_RTABI du_int __aeabi_f2ulz(fp_t a) { return __fixunssfdi(a); }
40 #else
41 COMPILER_RT_ALIAS(__fixunssfdi, __aeabi_f2ulz)
42 #endif
43 #endif
44