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Diffstat (limited to 'sysdeps/arm/arm-features.h')
| -rw-r--r-- | sysdeps/arm/arm-features.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/sysdeps/arm/arm-features.h b/sysdeps/arm/arm-features.h deleted file mode 100644 index 400af0f75a..0000000000 --- a/sysdeps/arm/arm-features.h +++ /dev/null @@ -1,59 +0,0 @@ -/* Macros to test for CPU features on ARM. Generic ARM version. - Copyright (C) 2012-2017 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 - <http://www.gnu.org/licenses/>. */ - -#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. */ - -/* A more-specific arm-features.h file may define ARM_ALWAYS_BX to indicate - that instructions using pc as a destination register must never be used, - so a "bx" (or "blx") instruction is always required. */ - -/* The log2 of the minimum alignment required for an address that - is the target of a computed branch (i.e. a "bx" instruction). - A more-specific arm-features.h file may define this to set a more - stringent requirement. - - Using this only makes sense for code in ARM mode (where instructions - always have a fixed size of four bytes), or for Thumb-mode code that is - specifically aligning all the related branch targets to match (since - Thumb instructions might be either two or four bytes). */ -#ifndef ARM_BX_ALIGN_LOG2 -# define ARM_BX_ALIGN_LOG2 2 -#endif - -/* An OS-specific arm-features.h file may define ARM_NO_INDEX_REGISTER to - indicate that the two-register addressing modes must never be used. */ - -#endif /* arm-features.h */ |