46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
|
/* Software floating-point emulation.
|
||
|
|
Convert a 128bit unsigned integer to bfloat16
|
||
|
|
Copyright (C) 2007-2023 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
In addition to the permissions in the GNU Lesser General Public
|
||
|
|
License, the Free Software Foundation gives you unlimited
|
||
|
|
permission to link the compiled version of this file into
|
||
|
|
combinations with other programs, and to distribute those
|
||
|
|
combinations without any restriction coming from the use of this
|
||
|
|
file. (The Lesser General Public License restrictions do apply in
|
||
|
|
other respects; for example, they cover modification of the file,
|
||
|
|
and distribution when not linked into a combine executable.)
|
||
|
|
|
||
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, see
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include "soft-fp.h"
|
||
|
|
#include "brain.h"
|
||
|
|
|
||
|
|
BFtype
|
||
|
|
__floatuntibf (UTItype i)
|
||
|
|
{
|
||
|
|
FP_DECL_EX;
|
||
|
|
FP_DECL_B (A);
|
||
|
|
BFtype a;
|
||
|
|
|
||
|
|
FP_INIT_ROUNDMODE;
|
||
|
|
FP_FROM_INT_B (A, i, TI_BITS, UTItype);
|
||
|
|
FP_PACK_RAW_B (a, A);
|
||
|
|
FP_HANDLE_EXCEPTIONS;
|
||
|
|
|
||
|
|
return a;
|
||
|
|
}
|