From b8886216914424faa0ea01032696454d16e2f233 Mon Sep 17 00:00:00 2001 From: jsm28 Date: Tue, 18 Apr 2006 20:50:45 +0000 Subject: * config/soft-fp: New directory. From glibc. * config/soft-fp/t-softfp: New. * config/soft-fp/README: New. * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE. * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New. (libgcc.mk): Pass LIB2FUNCS_EXCLUDE. (LIBGCC_DEPS): Add $(SFP_MACHINE). * config.gcc: Use rs6000/t-fprules-fpbit or rs6000/t-fprules-softfp and soft-fp/t-softfp together with rs6000/t-fprules. * config/rs6000/sfp-machine.h: New. Based on glibc. * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp: New. * config/rs6000/t-fprules: Remove fp-bit rules. * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=. * config/rs6000/t-linux64: Likewise. Remove duplicates from LIB2FUNCS_EXTRA. Remove fp-bit rules. (softfp_wrap_start, softfp_wrap_end): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@113056 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/config/soft-fp/gedf2.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 gcc/config/soft-fp/gedf2.c (limited to 'gcc/config/soft-fp/gedf2.c') diff --git a/gcc/config/soft-fp/gedf2.c b/gcc/config/soft-fp/gedf2.c new file mode 100644 index 00000000000..e0dc8620eee --- /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 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" + +int __gedf2(DFtype a, DFtype b) +{ + FP_DECL_EX; + FP_DECL_D(A); FP_DECL_D(B); + int 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); -- cgit v1.2.1