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Diffstat (limited to 'sysdeps/riscv/rvf/math_private.h')
| -rw-r--r-- | sysdeps/riscv/rvf/math_private.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/sysdeps/riscv/rvf/math_private.h b/sysdeps/riscv/rvf/math_private.h deleted file mode 100644 index cdb7858fc8..0000000000 --- a/sysdeps/riscv/rvf/math_private.h +++ /dev/null @@ -1,161 +0,0 @@ -/* Private floating point rounding and exceptions handling. RISC-V version. - Copyright (C) 2014-2018 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 RISCV_MATH_PRIVATE_H -#define RISCV_MATH_PRIVATE_H 1 - -#include <fenv.h> -#include <fpu_control.h> -#include <get-rounding-mode.h> - -static __always_inline int -riscv_getround (void) -{ - return get_rounding_mode (); -} - -static __always_inline void -riscv_setround (int rm) -{ - asm volatile ("fsrm %z0" : : "rJ" (rm)); -} - -static __always_inline int -riscv_getflags (void) -{ - int flags; - asm volatile ("frflags %0" : "=r" (flags)); - return flags; -} - -static __always_inline void -riscv_setflags (int flags) -{ - asm volatile ("fsflags %z0" : : "rJ" (flags)); -} - -static __always_inline void -libc_feholdexcept_riscv (fenv_t *envp) -{ - asm volatile ("csrrc %0, fcsr, %1" : "=r" (*envp) : "i" (FE_ALL_EXCEPT)); -} - -#define libc_feholdexcept libc_feholdexcept_riscv -#define libc_feholdexceptf libc_feholdexcept_riscv -#define libc_feholdexceptl libc_feholdexcept_riscv - -static __always_inline void -libc_fesetround_riscv (int round) -{ - riscv_setround (round); -} - -#define libc_fesetround libc_fesetround_riscv -#define libc_fesetroundf libc_fesetround_riscv -#define libc_fesetroundl libc_fesetround_riscv - -static __always_inline void -libc_feholdexcept_setround_riscv (fenv_t *envp, int round) -{ - libc_fesetround_riscv (round); - libc_feholdexcept_riscv (envp); -} - -#define libc_feholdexcept_setround libc_feholdexcept_setround_riscv -#define libc_feholdexcept_setroundf libc_feholdexcept_setround_riscv -#define libc_feholdexcept_setroundl libc_feholdexcept_setround_riscv - -static __always_inline int -libc_fetestexcept_riscv (int ex) -{ - return riscv_getflags () & ex; -} - -#define libc_fetestexcept libc_fetestexcept_riscv -#define libc_fetestexceptf libc_fetestexcept_riscv -#define libc_fetestexceptl libc_fetestexcept_riscv - -static __always_inline void -libc_fesetenv_riscv (const fenv_t *envp) -{ - long int env = (long int) envp - (long int) FE_DFL_ENV; - if (env != 0) - env = *envp; - - _FPU_SETCW (env); -} - -#define libc_fesetenv libc_fesetenv_riscv -#define libc_fesetenvf libc_fesetenv_riscv -#define libc_fesetenvl libc_fesetenv_riscv -#define libc_feresetround_noex libc_fesetenv_riscv -#define libc_feresetround_noexf libc_fesetenv_riscv -#define libc_feresetround_noexl libc_fesetenv_riscv - -static __always_inline int -libc_feupdateenv_test_riscv (const fenv_t *envp, int ex) -{ - fenv_t env = *envp; - int flags = riscv_getflags (); - asm volatile ("csrw fcsr, %z0" : : "rJ" (env | flags)); - return flags & ex; -} - -#define libc_feupdateenv_test libc_feupdateenv_test_riscv -#define libc_feupdateenv_testf libc_feupdateenv_test_riscv -#define libc_feupdateenv_testl libc_feupdateenv_test_riscv - -static __always_inline void -libc_feupdateenv_riscv (const fenv_t *envp) -{ - _FPU_SETCW (*envp | riscv_getflags ()); -} - -#define libc_feupdateenv libc_feupdateenv_riscv -#define libc_feupdateenvf libc_feupdateenv_riscv -#define libc_feupdateenvl libc_feupdateenv_riscv - -static __always_inline void -libc_feholdsetround_riscv (fenv_t *envp, int round) -{ - /* Note this implementation makes an improperly-formatted fenv_t and - so should only be used in conjunction with libc_feresetround. */ - int old_round; - asm volatile ("csrrw %0, frm, %z1" : "=r" (old_round) : "rJ" (round)); - *envp = old_round; -} - -#define libc_feholdsetround libc_feholdsetround_riscv -#define libc_feholdsetroundf libc_feholdsetround_riscv -#define libc_feholdsetroundl libc_feholdsetround_riscv - -static __always_inline void -libc_feresetround_riscv (fenv_t *envp) -{ - /* Note this implementation takes an improperly-formatted fenv_t and - so should only be used in conjunction with libc_feholdsetround. */ - riscv_setround (*envp); -} - -#define libc_feresetround libc_feresetround_riscv -#define libc_feresetroundf libc_feresetround_riscv -#define libc_feresetroundl libc_feresetround_riscv - -#include_next <math_private.h> - -#endif |