diff options
Diffstat (limited to 'sysdeps/sh/fpu_control.h')
| -rw-r--r-- | sysdeps/sh/fpu_control.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/sysdeps/sh/fpu_control.h b/sysdeps/sh/fpu_control.h deleted file mode 100644 index df2627ad1e..0000000000 --- a/sysdeps/sh/fpu_control.h +++ /dev/null @@ -1,76 +0,0 @@ -/* FPU control word definitions. SH version. - Copyright (C) 1999-2017 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 _FPU_CONTROL_H -#define _FPU_CONTROL_H - -#if !defined(__SH_FPU_ANY__) - -#define _FPU_RESERVED 0xffffffff -#define _FPU_DEFAULT 0x00000000 -typedef unsigned int fpu_control_t; -#define _FPU_GETCW(cw) (cw) = 0 -#define _FPU_SETCW(cw) (void) (cw) -extern fpu_control_t __fpu_control; - -#else - -#include <features.h> - -/* masking of interrupts */ -#define _FPU_MASK_VM 0x0800 /* Invalid operation */ -#define _FPU_MASK_ZM 0x0400 /* Division by zero */ -#define _FPU_MASK_OM 0x0200 /* Overflow */ -#define _FPU_MASK_UM 0x0100 /* Underflow */ -#define _FPU_MASK_IM 0x0080 /* Inexact operation */ - -/* rounding control */ -#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */ -#define _FPU_RC_ZERO 0x1 - -#define _FPU_RESERVED 0xffc00000 /* These bits are reserved. */ - -/* The fdlibm code requires strict IEEE double precision arithmetic, - and no interrupts for exceptions, rounding to nearest. */ -#define _FPU_DEFAULT 0x00080000 /* Default value. */ -#define _FPU_IEEE 0x00080f80 /* Default + exceptions enabled. */ - -/* Type of the control word. */ -typedef unsigned int fpu_control_t; - -/* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(cw) __asm__ ("sts fpscr,%0" : "=r" (cw)) - -#if defined __GNUC__ -__BEGIN_DECLS - -/* GCC provides this function. */ -extern void __set_fpscr (unsigned long); -#define _FPU_SETCW(cw) __set_fpscr ((cw)) -#else -#define _FPU_SETCW(cw) __asm__ ("lds %0,fpscr" : : "r" (cw)) -#endif - -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; - -__END_DECLS - -#endif /* __SH_FPU_ANY__ */ - -#endif /* _FPU_CONTROL_H */ |