xref: /freebsd-src/contrib/llvm-project/compiler-rt/lib/builtins/fixsfdi.c (revision 349cc55c9796c4596a5b9904cd3281af295f878f)
10b57cec5SDimitry Andric //===-- fixsfdi.c - Implement __fixsfdi -----------------------------------===//
20b57cec5SDimitry Andric //
30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
60b57cec5SDimitry Andric //
70b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
80b57cec5SDimitry Andric 
90b57cec5SDimitry Andric #define SINGLE_PRECISION
100b57cec5SDimitry Andric #include "fp_lib.h"
110b57cec5SDimitry Andric 
12fe6060f1SDimitry Andric #ifndef __SOFTFP__
130b57cec5SDimitry Andric // Support for systems that have hardware floating-point; can set the invalid
140b57cec5SDimitry Andric // flag as a side-effect of computation.
150b57cec5SDimitry Andric 
160b57cec5SDimitry Andric COMPILER_RT_ABI du_int __fixunssfdi(float a);
170b57cec5SDimitry Andric 
__fixsfdi(float a)180b57cec5SDimitry Andric COMPILER_RT_ABI di_int __fixsfdi(float a) {
190b57cec5SDimitry Andric   if (a < 0.0f) {
200b57cec5SDimitry Andric     return -__fixunssfdi(-a);
210b57cec5SDimitry Andric   }
220b57cec5SDimitry Andric   return __fixunssfdi(a);
230b57cec5SDimitry Andric }
240b57cec5SDimitry Andric 
250b57cec5SDimitry Andric #else
260b57cec5SDimitry Andric // Support for systems that don't have hardware floating-point; there are no
270b57cec5SDimitry Andric // flags to set, and we don't want to code-gen to an unknown soft-float
280b57cec5SDimitry Andric // implementation.
290b57cec5SDimitry Andric 
300b57cec5SDimitry Andric typedef di_int fixint_t;
310b57cec5SDimitry Andric typedef du_int fixuint_t;
320b57cec5SDimitry Andric #include "fp_fixint_impl.inc"
330b57cec5SDimitry Andric 
__fixsfdi(fp_t a)340b57cec5SDimitry Andric COMPILER_RT_ABI di_int __fixsfdi(fp_t a) { return __fixint(a); }
350b57cec5SDimitry Andric 
360b57cec5SDimitry Andric #endif
370b57cec5SDimitry Andric 
380b57cec5SDimitry Andric #if defined(__ARM_EABI__)
390b57cec5SDimitry Andric #if defined(COMPILER_RT_ARMHF_TARGET)
__aeabi_f2lz(fp_t a)400b57cec5SDimitry Andric AEABI_RTABI di_int __aeabi_f2lz(fp_t a) { return __fixsfdi(a); }
410b57cec5SDimitry Andric #else
420b57cec5SDimitry Andric COMPILER_RT_ALIAS(__fixsfdi, __aeabi_f2lz)
430b57cec5SDimitry Andric #endif
440b57cec5SDimitry Andric #endif
45*349cc55cSDimitry Andric 
46*349cc55cSDimitry Andric #if defined(__MINGW32__) && defined(__arm__)
47*349cc55cSDimitry Andric COMPILER_RT_ALIAS(__fixsfdi, __stoi64)
48*349cc55cSDimitry Andric #endif
49