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Sat Jun 15 18:13:43 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>

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* math/Makefile (headers): Add fpu_control.h.
	(aux): New variable, list fpu_control and setfpucw.
	* sysdeps/generic/fpu_control.c: New file.
	* sysdeps/stub/fpu_control.h: New file.
	* sysdeps/unix/sysv/linux/m68k/fpu_control.h: Moved to ...
	* sysdeps/m68k/fpu_control.h: here.
	* sysdeps/unix/sysv/linux/i386/fpu_control.h: Moved to ...
	* sysdeps/i386/fpu_control.h: here.
	* sysdeps/unix/sysv/linux/alpha/fpu_control.h: Moved to ...
	* sysdeps/alpha/fpu/fpu_control.h: here.  Fixed copyright.
	* sysdeps/unix/sysv/linux/alpha/Makefile (sysdep_routines): Remove
	setfpucw, fpu_control.
	* sysdeps/unix/sysv/linux/alpha/fpu_control.c: File removed.
	* sysdeps/unix/sysv/linux/setfpucw.c: Moved to ...
	* sysdeps/generic/setfpucw.c: here.
	(__fpu_control): Variable removed.
	(__setfpucw): Use SET even if zero.
This commit is contained in:
Roland McGrath 1996-06-16 03:49:08 +00:00
parent 26e00f7e61
commit f04e87f28a
4 changed files with 18 additions and 31 deletions
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24
sysdeps/unix/sysv/linux/alpha/fpu_control.h → sysdeps/alpha/fpu/fpu_control.h
View File

@ -1,15 +1,23 @@
/* Copyright (C) 1993 Olaf Flebbe
This file is part of the Linux C Library.
/* FPU control word bits. Alpha version.
Copyright (C) 1996 Free Software Foundation, Inc.
Contributed by Olaf Flebbe.
The Linux C Library is free software; you can redistribute it and/or
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 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 Linux C Library is distributed in the hope that it will be useful,
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. */
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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#ifndef _ALPHA_FPU_CONTROL_H
#define _ALPHA_FPU_CONTROL_H
@ -28,7 +36,7 @@ Library General Public License for more details. */
* OM: Overflow mask
* UM: Underflow mask
* PM: Precision (inexact result) mask
*
*
* Mask bit is 1 means no interrupt.
*
* PC: Precision control
@ -51,7 +59,7 @@ Library General Public License for more details. */
#include <features.h>
/* masking of interrupts */
#define _FPU_MASK_IM 0x01
#define _FPU_MASK_IM 0x01
#define _FPU_MASK_DM 0x02
#define _FPU_MASK_ZM 0x04
#define _FPU_MASK_OM 0x08
@ -84,7 +92,7 @@ Library General Public License for more details. */
one can use /d to get round to +infinity with no extra overhead
(so long as the default isn't changed, of course...)
- exceptions on overflow, zero divide and NaN */
#define _FPU_DEFAULT 0x1f72
#define _FPU_DEFAULT 0x1f72
/* IEEE: same as above, but exceptions */
#define _FPU_IEEE 0x1f7f

0
sysdeps/unix/sysv/linux/m68k/fpu_control.h → sysdeps/m68k/fpu_control.h
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4
sysdeps/unix/sysv/linux/alpha/Makefile
View File

@ -1,6 +1,6 @@
ifeq ($(subdir), misc)
sysdep_headers += alpha/ptrace.h alpha/regdef.h
sysdep_routines += ieee_get_fp_control ieee_set_fp_control fpu_control \
setfpucw sethae ioperm osf_sigprocmask fstatfs statfs
sysdep_routines += ieee_get_fp_control ieee_set_fp_control \
sethae ioperm osf_sigprocmask fstatfs statfs
endif

21
sysdeps/unix/sysv/linux/alpha/fpu_control.c
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@ -1,21 +0,0 @@
/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
Contributed by David Mosberger (davidm@azstarnet.com).
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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <fpu_control.h>
fpu_control_t __fpu_control = _FPU_DEFAULT;