diff options
Diffstat (limited to 'ports/sysdeps/mips/math_private.h')
| -rw-r--r-- | ports/sysdeps/mips/math_private.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/ports/sysdeps/mips/math_private.h b/ports/sysdeps/mips/math_private.h deleted file mode 100644 index 95f438581b..0000000000 --- a/ports/sysdeps/mips/math_private.h +++ /dev/null @@ -1,139 +0,0 @@ -/* Internal math stuff. MIPS version. - Copyright (C) 2013-2014 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 _MATH_PRIVATE_H - -#ifdef __mips_nan2008 -/* MIPS aligned to IEEE 754-2008. */ -#else -/* One of the few architectures where the meaning of the quiet/signaling bit is - inverse to IEEE 754-2008 (as well as common practice for IEEE 754-1985). */ -# define HIGH_ORDER_BIT_IS_SET_FOR_SNAN -#endif - -/* Inline functions to speed up the math library implementation. The - default versions of these routines are in generic/math_private.h - and call fesetround, feholdexcept, etc. These routines use inlined - code instead. */ - -#ifdef __mips_hard_float - -# include <fenv.h> -# include <fenv_libc.h> -# include <fpu_control.h> - -static __always_inline void -libc_feholdexcept_mips (fenv_t *envp) -{ - fpu_control_t cw; - - /* Save the current state. */ - _FPU_GETCW (cw); - envp->__fp_control_register = cw; - - /* Clear all exception enable bits and flags. */ - cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I|FE_ALL_EXCEPT); - _FPU_SETCW (cw); -} -# define libc_feholdexcept libc_feholdexcept_mips -# define libc_feholdexceptf libc_feholdexcept_mips -# define libc_feholdexceptl libc_feholdexcept_mips - -static __always_inline void -libc_fesetround_mips (int round) -{ - fpu_control_t cw; - - /* Get current state. */ - _FPU_GETCW (cw); - - /* Set rounding bits. */ - cw &= ~_FPU_RC_MASK; - cw |= round; - - /* Set new state. */ - _FPU_SETCW (cw); -} -# define libc_fesetround libc_fesetround_mips -# define libc_fesetroundf libc_fesetround_mips -# define libc_fesetroundl libc_fesetround_mips - -static __always_inline void -libc_feholdexcept_setround_mips (fenv_t *envp, int round) -{ - fpu_control_t cw; - - /* Save the current state. */ - _FPU_GETCW (cw); - envp->__fp_control_register = cw; - - /* Clear all exception enable bits and flags. */ - cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I|FE_ALL_EXCEPT); - - /* Set rounding bits. */ - cw &= ~_FPU_RC_MASK; - cw |= round; - - /* Set new state. */ - _FPU_SETCW (cw); -} -# define libc_feholdexcept_setround libc_feholdexcept_setround_mips -# define libc_feholdexcept_setroundf libc_feholdexcept_setround_mips -# define libc_feholdexcept_setroundl libc_feholdexcept_setround_mips - -static __always_inline void -libc_fesetenv_mips (fenv_t *envp) -{ - fpu_control_t cw; - - /* Read current state to flush fpu pipeline. */ - _FPU_GETCW (cw); - - _FPU_SETCW (envp->__fp_control_register); -} -# define libc_fesetenv libc_fesetenv_mips -# define libc_fesetenvf libc_fesetenv_mips -# define libc_fesetenvl libc_fesetenv_mips - -static __always_inline void -libc_feupdateenv_mips (fenv_t *envp) -{ - int temp; - - /* Save current exceptions. */ - _FPU_GETCW (temp); - - /* Set flag bits (which are accumulative), and *also* set the - cause bits. The setting of the cause bits is what actually causes - the hardware to generate the exception, if the corresponding enable - bit is set as well. */ - temp &= FE_ALL_EXCEPT; - temp |= envp->__fp_control_register | (temp << CAUSE_SHIFT); - - /* Set new state. */ - _FPU_SETCW (temp); -} -# define libc_feupdateenv libc_feupdateenv_mips -# define libc_feupdateenvf libc_feupdateenv_mips -# define libc_feupdateenvl libc_feupdateenv_mips - -#endif - -#include_next <math_private.h> - -#endif |