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author | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2007-02-12 21:57:57 +0000 |
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committer | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2007-02-12 21:57:57 +0000 |
commit | dcf241189ab7eb060aeb06caad8b14aa964f6736 (patch) | |
tree | 735c06c0036aed160a35e9c0e2870e87fe5730e5 /libc/sysdeps/linux/powerpc/e500/fpu_control.h | |
parent | 216bfd092c46dc0479e571a37fd2fd96e47605b5 (diff) |
Rehash the PowerPC e500 port to avoid creating symlinks
in the powerpc arch code and make more code common with
classic PowerPC. From Steve Papacharalambous
Lets hope I didn't break something.
Diffstat (limited to 'libc/sysdeps/linux/powerpc/e500/fpu_control.h')
-rw-r--r-- | libc/sysdeps/linux/powerpc/e500/fpu_control.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/libc/sysdeps/linux/powerpc/e500/fpu_control.h b/libc/sysdeps/linux/powerpc/e500/fpu_control.h deleted file mode 100644 index 10e8506ad..000000000 --- a/libc/sysdeps/linux/powerpc/e500/fpu_control.h +++ /dev/null @@ -1,66 +0,0 @@ -/* FPU control word definitions. PowerPC e500 version. - Copyright (C) 1996, 1997, 1998, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Aldy Hernandez <aldyh@redhat.com>, 2004. - - 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 - -/* rounding control */ -#define _FPU_RC_NEAREST 0x00 /* RECOMMENDED */ -#define _FPU_RC_DOWN 0x03 -#define _FPU_RC_UP 0x02 -#define _FPU_RC_ZERO 0x01 - -#define _FPU_MASK_NI 0x04 /* non-ieee mode */ - -/* masking of interrupts */ -#define _FPU_MASK_ZM 0x10 /* zero divide */ -#define _FPU_MASK_OM 0x40 /* overflow */ -#define _FPU_MASK_UM 0x20 /* underflow */ -#define _FPU_MASK_XM 0x08 /* inexact */ -#define _FPU_MASK_IM 0x80 /* invalid operation */ - -#define _FPU_RESERVED 0xff3fff7f /* These bits are reserved are not changed. */ - -/* The fdlibm code requires no interrupts for exceptions. */ -#define _FPU_DEFAULT 0x00000000 /* Default value. */ - -/* IEEE: same as above, but (some) exceptions; - we leave the 'inexact' exception off. - */ -#define _FPU_IEEE 0x000003c0 - -/* Type of the control word. */ -typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__))); - -/* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(__cw) ({ \ - unsigned int env; \ - asm volatile ("mfspefscr %0" : "=r" (env)); \ - (__cw) = env; }) -#define _FPU_SETCW(__cw) ({ \ - unsigned int env = __cw; \ - asm volatile ("mtspefscr %0" : : "r" (env)); }) - -#if 0 -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; -#endif - -#endif /* _FPU_CONTROL_H */ |