X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Fsoft-fp%2Fgedf2.c;fp=gcc%2Fconfig%2Fsoft-fp%2Fgedf2.c;h=17a0453adce778b780ce5c49bdbe44b9a916efbe;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/soft-fp/gedf2.c b/gcc/config/soft-fp/gedf2.c new file mode 100644 index 00000000..17a0453a --- /dev/null +++ b/gcc/config/soft-fp/gedf2.c @@ -0,0 +1,51 @@ +/* Software floating-point emulation. + Return 0 iff a == b, 1 iff a > b, -2 iff a ? b, -1 iff a < b + Copyright (C) 1997,1999,2006,2007 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, write to the Free + Software Foundation, 51 Franklin Street, Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#include "soft-fp.h" +#include "double.h" + +CMPtype __gedf2(DFtype a, DFtype b) +{ + FP_DECL_EX; + FP_DECL_D(A); FP_DECL_D(B); + CMPtype r; + + FP_UNPACK_RAW_D(A, a); + FP_UNPACK_RAW_D(B, b); + FP_CMP_D(r, A, B, -2); + if (r == -2 && (FP_ISSIGNAN_D(A) || FP_ISSIGNAN_D(B))) + FP_SET_EXCEPTION(FP_EX_INVALID); + FP_HANDLE_EXCEPTIONS; + + return r; +} + +strong_alias(__gedf2, __gtdf2);