diff options
Diffstat (limited to 'ports/sysdeps/hppa/fpu/fpu_control.h')
| -rw-r--r-- | ports/sysdeps/hppa/fpu/fpu_control.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/ports/sysdeps/hppa/fpu/fpu_control.h b/ports/sysdeps/hppa/fpu/fpu_control.h deleted file mode 100644 index 8f855207df..0000000000 --- a/ports/sysdeps/hppa/fpu/fpu_control.h +++ /dev/null @@ -1,66 +0,0 @@ -/* FPU control word definitions. HP-PARISC version. - Copyright (C) 2012-2014 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 - -/* Masking of interrupts */ -#define _FPU_MASK_PM 0x00000001 /* Inexact (I) */ -#define _FPU_MASK_UM 0x00000002 /* Underflow (U) */ -#define _FPU_MASK_OM 0x00000004 /* Overflow (O) */ -#define _FPU_MASK_ZM 0x00000008 /* Divide by zero (Z) */ -#define _FPU_MASK_IM 0x00000010 /* Invalid operation (V) */ - -/* Masking of rounding modes. */ -#define _FPU_HPPA_MASK_RM 0x00000600 /* Rounding mode mask */ -/* Masking of interrupt enable bits. */ -#define _FPU_HPPA_MASK_INT 0x0000001f /* Interrupt mask */ - -/* There are no reserved bits in the PA fpsr (though some are undefined). */ -#define _FPU_RESERVED 0x00000000 -/* Default is: No traps enabled, no flags set, round to nearest. */ -#define _FPU_DEFAULT 0x00000000 -/* Default + exceptions (FE_ALL_EXCEPT) enabled. */ -#define _FPU_IEEE (_FPU_DEFAULT | _FPU_HPPA_MASK_INT) - -/* Type of the control word. */ -typedef unsigned int fpu_control_t; - -/* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(cw) \ -({ \ - union { __extension__ unsigned long long __fpreg; unsigned int __halfreg[2]; } __fullfp; \ - /* Get the current status word. */ \ - __asm__ ("fstd %%fr0,0(%1)\n\t" \ - "fldd 0(%1),%%fr0\n\t" \ - : "=m" (__fullfp.__fpreg) : "r" (&__fullfp.__fpreg) : "%r0"); \ - cw = __fullfp.__halfreg[0]; \ -}) - -#define _FPU_SETCW(cw) \ -({ \ - union { __extension__ unsigned long long __fpreg; unsigned int __halfreg[2]; } __fullfp; \ - __fullfp.__halfreg[0] = cw; \ - __asm__ ("fldd 0(%1),%%fr0\n\t" \ - : : "m" (__fullfp.__fpreg), "r" (&__fullfp.__fpreg) : "%r0" ); \ -}) - -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; - -#endif /* _FPU_CONTROL_H */ |