/* Definitions of target machine for GCC for IA-32. Copyright (C) 2002 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GCC 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 General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* By default our XFmode is the 80-bit extended format. If we use TFmode instead, it's also the 80-bit format, but with padding. */ FLOAT_MODE (XF, 12, ieee_extended_intel_96_format); FLOAT_MODE (TF, 16, ieee_extended_intel_128_format); /* Add any extra modes needed to represent the condition code. For the i386, we need separate modes when floating-point equality comparisons are being done. Add CCNO to indicate comparisons against zero that requires Overflow flag to be unset. Sign bit test is used instead and thus can be used to form "a&b>0" type of tests. Add CCGC to indicate comparisons against zero that allows unspecified garbage in the Carry flag. This mode is used by inc/dec instructions. Add CCGOC to indicate comparisons against zero that allows unspecified garbage in the Carry and Overflow flag. This mode is used to simulate comparisons of (a-b) and (a+b) against zero using sub/cmp/add operations. Add CCZ to indicate that only the Zero flag is valid. */ CC_MODE (CCGC); CC_MODE (CCGOC); CC_MODE (CCNO); CC_MODE (CCZ); CC_MODE (CCFP); CC_MODE (CCFPU);