compiler-rt/lib/builtins/floatundisf.c

   1 //===-- floatundisf.c - Implement __floatundisf ---------------------------===//
   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 // This file implements __floatundisf for the compiler_rt library.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 // Returns: convert a to a float, rounding toward even.
  14
  15 // Assumption: float is a IEEE 32 bit floating point type
  16 //            du_int is a 64 bit integral type
  17
  18 // seee eeee emmm mmmm mmmm mmmm mmmm mmmm
  19
  20 #include "int_lib.h"
  21
  22 #define SRC_U64
  23 #define DST_SINGLE
  24 #include "int_to_fp_impl.inc"
  25
  26 COMPILER_RT_ABI float __floatundisf(du_int a) { return __floatXiYf__(a); }
  27
  28 #if defined(__ARM_EABI__)
  29 #if defined(COMPILER_RT_ARMHF_TARGET)
  30 AEABI_RTABI float __aeabi_ul2f(du_int a) { return __floatundisf(a); }
  31 #else
  32 COMPILER_RT_ALIAS(__floatundisf, __aeabi_ul2f)
  33 #endif
  34 #endif
  35
  36 #if defined(__MINGW32__) && defined(__arm__)
  37 COMPILER_RT_ALIAS(__floatundisf, __u64tos)
  38 #endif