diff options
author | Eric Andersen <andersen@codepoet.org> | 2003-10-08 19:30:43 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2003-10-08 19:30:43 +0000 |
commit | 027d12aeef4386c638f73a4df7171a5d027604f4 (patch) | |
tree | 707c31a6ee5b51ed82369389f849aea2c72ec716 /libc/sysdeps/linux/common/fpu_control.h | |
parent | 1bdf3c0a8f4ad63e78559a6963ed62a8c2fc516c (diff) |
Patch from Atsushi Nemoto (with some additions):
Current uClibc contains only one fpu_control.h and it is i386 version.
This is a patch to use platform specific fpu_control.h. All new files
come from glibc 2.3.2. This patch is against 0.9.21 but also can be
applied to CVS as is.
Diffstat (limited to 'libc/sysdeps/linux/common/fpu_control.h')
-rw-r--r-- | libc/sysdeps/linux/common/fpu_control.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/fpu_control.h b/libc/sysdeps/linux/common/fpu_control.h new file mode 100644 index 000000000..4a1b07d23 --- /dev/null +++ b/libc/sysdeps/linux/common/fpu_control.h @@ -0,0 +1,39 @@ +/* FPU control word definitions. Stub version. + Copyright (C) 1996, 1997, 1998 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _FPU_CONTROL_H +#define _FPU_CONTROL_H + +#define _FPU_RESERVED 0xffffffff /* These bits are reserved and not changed. */ + +/* The fdlibm code requires no interrupts for exceptions. Don't + change the rounding mode, it would break long double I/O! */ +#define _FPU_DEFAULT 0x00000000 /* Default value. */ + +/* Type of the control word. */ +typedef unsigned int fpu_control_t; + +/* Macros for accessing the hardware control word. */ +#define _FPU_GETCW(cw) 0 +#define _FPU_SETCW(cw) do { } while (0) + +/* Default control word set at startup. */ +extern fpu_control_t __fpu_control; + +#endif /* _FPU_CONTROL_H */ |