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author | aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-08 03:20:30 +0000 |
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committer | aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-08 03:20:30 +0000 |
commit | 643df0593c630691fa6877cddeefdd4c3023d444 (patch) | |
tree | 1eb48ad31d05a9ce117bedc17115de96dffa2f0b /libgcc/config/c6x/eqf.c | |
parent | 54f3f029d816c6d1626310649adfda740e203f7b (diff) | |
parent | d5d8f1ccc6d3972dc5cfc0949e85e0b1c9e24ee0 (diff) | |
download | gcc-transactional-memory.tar.gz |
* Merge from mainline rev 181122.transactional-memory
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/transactional-memory@181148 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgcc/config/c6x/eqf.c')
-rw-r--r-- | libgcc/config/c6x/eqf.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libgcc/config/c6x/eqf.c b/libgcc/config/c6x/eqf.c new file mode 100644 index 00000000000..ee6dafc98b7 --- /dev/null +++ b/libgcc/config/c6x/eqf.c @@ -0,0 +1,47 @@ +/* Software floating-point emulation. + Return 1 iff a == b, 0 otherwise. + Copyright (C) 1997,1999,2006,2007,2011 Free Software Foundation, Inc. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + This file 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.) + + This file 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 GCC; see the file COPYING.LIB. If not see + <http://www.gnu.org/licenses/>. */ + +#include <soft-fp/soft-fp.h> +#include <soft-fp/single.h> + +CMPtype __c6xabi_eqf(SFtype a, SFtype b) +{ + FP_DECL_EX; + FP_DECL_S(A); FP_DECL_S(B); + CMPtype r; + + FP_UNPACK_RAW_S(A, a); + FP_UNPACK_RAW_S(B, b); + FP_CMP_EQ_S(r, A, B); + if (r && (FP_ISSIGNAN_S(A) || FP_ISSIGNAN_S(B))) + FP_SET_EXCEPTION(FP_EX_INVALID); + FP_HANDLE_EXCEPTIONS; + + return !r; +} |