/* Macros to test for CPU features on ARM. Generic ARM version. Copyright (C) 2012 Free Software Foundation, Inc. This file is part of the GNU C Library. 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. 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 . */ #ifndef _ARM_ARM_FEATURES_H #define _ARM_ARM_FEATURES_H 1 /* An OS-specific arm-features.h file should define ARM_HAVE_VFP to an appropriate expression for testing at runtime whether the VFP hardware is present. We'll then redefine it to a constant if we know at compile time that we can assume VFP. */ #ifndef __SOFTFP__ /* The compiler is generating VFP instructions, so we're already assuming the hardware exists. */ # undef ARM_HAVE_VFP # define ARM_HAVE_VFP 1 #endif /* An OS-specific arm-features.h file may define ARM_ASSUME_NO_IWMMXT to indicate at compile time that iWMMXt hardware is never present at runtime (or that we never care about its state) and so need not be checked for. */ #endif /* arm-features.h */