From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/libgcc/soft-fp/extendsfdf2.c | 54 ++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 gcc-4.9/libgcc/soft-fp/extendsfdf2.c (limited to 'gcc-4.9/libgcc/soft-fp/extendsfdf2.c') diff --git a/gcc-4.9/libgcc/soft-fp/extendsfdf2.c b/gcc-4.9/libgcc/soft-fp/extendsfdf2.c new file mode 100644 index 000000000..a9b6bfbee --- /dev/null +++ b/gcc-4.9/libgcc/soft-fp/extendsfdf2.c @@ -0,0 +1,54 @@ +/* Software floating-point emulation. + Return a converted to IEEE double + Copyright (C) 1997-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 + . */ + +#include "soft-fp.h" +#include "single.h" +#include "double.h" + +DFtype +__extendsfdf2 (SFtype a) +{ + FP_DECL_EX; + FP_DECL_S (A); + FP_DECL_D (R); + DFtype r; + + FP_INIT_EXCEPTIONS; + FP_UNPACK_RAW_S (A, a); +#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D + FP_EXTEND (D, S, 2, 1, R, A); +#else + FP_EXTEND (D, S, 1, 1, R, A); +#endif + FP_PACK_RAW_D (r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} -- cgit v1.2.3