diff options
Diffstat (limited to 'sysdeps/sparc/sparc32/fpu/fpu_control.h')
-rw-r--r-- | sysdeps/sparc/sparc32/fpu/fpu_control.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/sysdeps/sparc/sparc32/fpu/fpu_control.h b/sysdeps/sparc/sparc32/fpu/fpu_control.h deleted file mode 100644 index 7cbdf6db9b..0000000000 --- a/sysdeps/sparc/sparc32/fpu/fpu_control.h +++ /dev/null @@ -1,67 +0,0 @@ -/* FPU control word bits. SPARC version. - Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Miguel de Icaza - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. 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 1 - - -#include <features.h> - -/* masking of interrupts */ -#define _FPU_MASK_IM 0x08000000 -#define _FPU_MASK_OM 0x04000000 -#define _FPU_MASK_UM 0x02000000 -#define _FPU_MASK_ZM 0x01000000 -#define _FPU_MASK_PM 0x00800000 - -/* precision control */ -#define _FPU_EXTENDED 0x00000000 /* RECOMMENDED */ -#define _FPU_DOUBLE 0x20000000 -#define _FPU_80BIT 0x30000000 -#define _FPU_SINGLE 0x10000000 /* DO NOT USE */ - -/* rounding control / Sparc */ -#define _FPU_RC_DOWN 0xc0000000 -#define _FPU_RC_UP 0x80000000 -#define _FPU_RC_ZERO 0x40000000 -#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */ - -#define _FPU_RESERVED 0x30300000 /* Reserved bits in cw */ - - -/* Now two recommended cw */ - -/* Linux and IEEE default: - - extended precision - - rounding to nearest - - no exceptions. */ -#define _FPU_DEFAULT 0x0 -#define _FPU_IEEE 0x0 - -/* Type of the control word. */ -typedef unsigned int fpu_control_t; - -#define _FPU_GETCW(cw) __asm__ ("st %%fsr,%0" : "=m" (*&cw)) -#define _FPU_SETCW(cw) __asm__ ("ld %0,%%fsr" : : "m" (*&cw)) - -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; - -#endif /* fpu_control.h */ |