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diff --git a/sysdeps/alpha/fpu/fpu_control.h b/sysdeps/alpha/fpu/fpu_control.h
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-/* FPU control word bits. Alpha-mapped-to-Intel version.
- Copyright (C) 1996, 1998, 2000, 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Olaf Flebbe.
-
- 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 _ALPHA_FPU_CONTROL_H
-#define _ALPHA_FPU_CONTROL_H
-
-/*
- * Since many programs seem to hardcode the values passed to __setfpucw()
- * (rather than using the manifest constants) we emulate the x87 interface
- * here (at least where this makes sense).
- *
- * 15-13 12 11-10 9-8 7-6 5 4 3 2 1 0
- * | reserved | IC | RC | PC | reserved | PM | UM | OM | ZM | DM | IM
- *
- * IM: Invalid operation mask
- * DM: Denormalized operand mask
- * ZM: Zero-divide mask
- * OM: Overflow mask
- * UM: Underflow mask
- * PM: Precision (inexact result) mask
- *
- * Mask bit is 1 means no interrupt.
- *
- * PC: Precision control
- * 11 - round to extended precision
- * 10 - round to double precision
- * 00 - round to single precision
- *
- * RC: Rounding control
- * 00 - rounding to nearest
- * 01 - rounding down (toward - infinity)
- * 10 - rounding up (toward + infinity)
- * 11 - rounding toward zero
- *
- * IC: Infinity control
- * That is for 8087 and 80287 only.
- *
- * The hardware default is 0x037f. I choose 0x1372.
- */
-
-#include <features.h>
-
-/* masking of interrupts */
-#define _FPU_MASK_IM 0x01
-#define _FPU_MASK_DM 0x02
-#define _FPU_MASK_ZM 0x04
-#define _FPU_MASK_OM 0x08
-#define _FPU_MASK_UM 0x10
-#define _FPU_MASK_PM 0x20
-
-/* precision control -- without effect on Alpha */
-#define _FPU_EXTENDED 0x300 /* RECOMMENDED */
-#define _FPU_DOUBLE 0x200
-#define _FPU_SINGLE 0x0 /* DO NOT USE */
-
-/*
- * rounding control---notice that on the Alpha this affects only
- * instructions with the dynamic rounding mode qualifier (/d).
- */
-#define _FPU_RC_NEAREST 0x000 /* RECOMMENDED */
-#define _FPU_RC_DOWN 0x400
-#define _FPU_RC_UP 0x800
-#define _FPU_RC_ZERO 0xC00
-
-#define _FPU_RESERVED 0xF0C0 /* Reserved bits in cw */
-
-
-/* Now two recommended cw */
-
-/* Linux default:
- - extended precision
- - rounding to positive infinity. There is no /p instruction
- qualifier. By setting the dynamic rounding mode to +infinity,
- one can use /d to get round to +infinity with no extra overhead
- (so long as the default isn't changed, of course...)
- - no exceptions enabled. */
-
-#define _FPU_DEFAULT 0x137f
-
-/* IEEE: same as above. */
-#define _FPU_IEEE 0x137f
-
-/* Type of the control word. */
-typedef unsigned int fpu_control_t;
-
-/* Default control word set at startup. */
-extern fpu_control_t __fpu_control;
-
-#endif /* _ALPHA_FPU_CONTROL */