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author | Roland McGrath <roland@hack.frob.com> | 2012-08-09 10:04:56 -0700 |
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committer | Roland McGrath <roland@hack.frob.com> | 2012-08-09 10:04:56 -0700 |
commit | a4ca51951804c14a5a8e331747649ca767bd8524 (patch) | |
tree | 76447f78f204b8b3f6e2ee21b10b00c2e224835c /ports/sysdeps/arm/arm-features.h | |
parent | 33b4a91e5b7935d68c50047f37b55056e5545b09 (diff) | |
download | glibc-a4ca51951804c14a5a8e331747649ca767bd8524.zip glibc-a4ca51951804c14a5a8e331747649ca767bd8524.tar.gz glibc-a4ca51951804c14a5a8e331747649ca767bd8524.tar.bz2 |
Don't check HWCAP_ARM_VFP in OS-generic code.
Presume VFP if compiled without __SOFTFP__ defined.
Diffstat (limited to 'ports/sysdeps/arm/arm-features.h')
-rw-r--r-- | ports/sysdeps/arm/arm-features.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/arm-features.h b/ports/sysdeps/arm/arm-features.h new file mode 100644 index 0000000..0f99b3a --- /dev/null +++ b/ports/sysdeps/arm/arm-features.h @@ -0,0 +1,34 @@ +/* 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 + <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 + +#endif /* arm-features.h */ |