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-rw-r--r--sysdeps/arm/fenv_private.h249
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diff --git a/sysdeps/arm/fenv_private.h b/sysdeps/arm/fenv_private.h
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index af31025d95..0000000000
--- a/sysdeps/arm/fenv_private.h
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@@ -1,249 +0,0 @@
-/* Private floating point rounding and exceptions handling. ARM VFP version.
- Copyright (C) 2014-2017 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 FENV_PRIVATE_H
-#define FENV_PRIVATE_H 1
-
-#include <fenv.h>
-#include <fpu_control.h>
-
-static __always_inline void
-libc_feholdexcept_vfp (fenv_t *envp)
-{
- fpu_control_t fpscr;
-
- _FPU_GETCW (fpscr);
- envp->__cw = fpscr;
-
- /* Clear exception flags and set all exceptions to non-stop. */
- fpscr &= ~_FPU_MASK_EXCEPT;
- _FPU_SETCW (fpscr);
-}
-
-static __always_inline void
-libc_fesetround_vfp (int round)
-{
- fpu_control_t fpscr;
-
- _FPU_GETCW (fpscr);
-
- /* Set new rounding mode if different. */
- if (__glibc_unlikely ((fpscr & _FPU_MASK_RM) != round))
- _FPU_SETCW ((fpscr & ~_FPU_MASK_RM) | round);
-}
-
-static __always_inline void
-libc_feholdexcept_setround_vfp (fenv_t *envp, int round)
-{
- fpu_control_t fpscr;
-
- _FPU_GETCW (fpscr);
- envp->__cw = fpscr;
-
- /* Clear exception flags, set all exceptions to non-stop,
- and set new rounding mode. */
- fpscr &= ~(_FPU_MASK_EXCEPT | _FPU_MASK_RM);
- _FPU_SETCW (fpscr | round);
-}
-
-static __always_inline void
-libc_feholdsetround_vfp (fenv_t *envp, int round)
-{
- fpu_control_t fpscr;
-
- _FPU_GETCW (fpscr);
- envp->__cw = fpscr;
-
- /* Set new rounding mode if different. */
- if (__glibc_unlikely ((fpscr & _FPU_MASK_RM) != round))
- _FPU_SETCW ((fpscr & ~_FPU_MASK_RM) | round);
-}
-
-static __always_inline void
-libc_feresetround_vfp (fenv_t *envp)
-{
- fpu_control_t fpscr, round;
-
- _FPU_GETCW (fpscr);
-
- /* Check whether rounding modes are different. */
- round = (envp->__cw ^ fpscr) & _FPU_MASK_RM;
-
- /* Restore the rounding mode if it was changed. */
- if (__glibc_unlikely (round != 0))
- _FPU_SETCW (fpscr ^ round);
-}
-
-static __always_inline int
-libc_fetestexcept_vfp (int ex)
-{
- fpu_control_t fpscr;
-
- _FPU_GETCW (fpscr);
- return fpscr & ex & FE_ALL_EXCEPT;
-}
-
-static __always_inline void
-libc_fesetenv_vfp (const fenv_t *envp)
-{
- fpu_control_t fpscr, new_fpscr;
-
- _FPU_GETCW (fpscr);
- new_fpscr = envp->__cw;
-
- /* Write new FPSCR if different (ignoring NZCV flags). */
- if (__glibc_unlikely (((fpscr ^ new_fpscr) & ~_FPU_MASK_NZCV) != 0))
- _FPU_SETCW (new_fpscr);
-}
-
-static __always_inline int
-libc_feupdateenv_test_vfp (const fenv_t *envp, int ex)
-{
- fpu_control_t fpscr, new_fpscr;
- int excepts;
-
- _FPU_GETCW (fpscr);
-
- /* Merge current exception flags with the saved fenv. */
- excepts = fpscr & FE_ALL_EXCEPT;
- new_fpscr = envp->__cw | excepts;
-
- /* Write new FPSCR if different (ignoring NZCV flags). */
- if (__glibc_unlikely (((fpscr ^ new_fpscr) & ~_FPU_MASK_NZCV) != 0))
- _FPU_SETCW (new_fpscr);
-
- /* Raise the exceptions if enabled in the new FP state. */
- if (__glibc_unlikely (excepts & (new_fpscr >> FE_EXCEPT_SHIFT)))
- __feraiseexcept (excepts);
-
- return excepts & ex;
-}
-
-static __always_inline void
-libc_feupdateenv_vfp (const fenv_t *envp)
-{
- libc_feupdateenv_test_vfp (envp, 0);
-}
-
-static __always_inline void
-libc_feholdsetround_vfp_ctx (struct rm_ctx *ctx, int r)
-{
- fpu_control_t fpscr, round;
-
- _FPU_GETCW (fpscr);
- ctx->updated_status = false;
- ctx->env.__cw = fpscr;
-
- /* Check whether rounding modes are different. */
- round = (fpscr ^ r) & _FPU_MASK_RM;
-
- /* Set the rounding mode if changed. */
- if (__glibc_unlikely (round != 0))
- {
- ctx->updated_status = true;
- _FPU_SETCW (fpscr ^ round);
- }
-}
-
-static __always_inline void
-libc_feresetround_vfp_ctx (struct rm_ctx *ctx)
-{
- /* Restore the rounding mode if updated. */
- if (__glibc_unlikely (ctx->updated_status))
- {
- fpu_control_t fpscr;
-
- _FPU_GETCW (fpscr);
- fpscr = (fpscr & ~_FPU_MASK_RM) | (ctx->env.__cw & _FPU_MASK_RM);
- _FPU_SETCW (fpscr);
- }
-}
-
-static __always_inline void
-libc_fesetenv_vfp_ctx (struct rm_ctx *ctx)
-{
- fpu_control_t fpscr, new_fpscr;
-
- _FPU_GETCW (fpscr);
- new_fpscr = ctx->env.__cw;
-
- /* Write new FPSCR if different (ignoring NZCV flags). */
- if (__glibc_unlikely (((fpscr ^ new_fpscr) & ~_FPU_MASK_NZCV) != 0))
- _FPU_SETCW (new_fpscr);
-}
-
-#ifndef __SOFTFP__
-
-# define libc_feholdexcept libc_feholdexcept_vfp
-# define libc_feholdexceptf libc_feholdexcept_vfp
-# define libc_feholdexceptl libc_feholdexcept_vfp
-
-# define libc_fesetround libc_fesetround_vfp
-# define libc_fesetroundf libc_fesetround_vfp
-# define libc_fesetroundl libc_fesetround_vfp
-
-# define libc_feresetround libc_feresetround_vfp
-# define libc_feresetroundf libc_feresetround_vfp
-# define libc_feresetroundl libc_feresetround_vfp
-
-# define libc_feresetround_noex libc_fesetenv_vfp
-# define libc_feresetround_noexf libc_fesetenv_vfp
-# define libc_feresetround_noexl libc_fesetenv_vfp
-
-# define libc_feholdexcept_setround libc_feholdexcept_setround_vfp
-# define libc_feholdexcept_setroundf libc_feholdexcept_setround_vfp
-# define libc_feholdexcept_setroundl libc_feholdexcept_setround_vfp
-
-# define libc_feholdsetround libc_feholdsetround_vfp
-# define libc_feholdsetroundf libc_feholdsetround_vfp
-# define libc_feholdsetroundl libc_feholdsetround_vfp
-
-# define libc_fetestexcept libc_fetestexcept_vfp
-# define libc_fetestexceptf libc_fetestexcept_vfp
-# define libc_fetestexceptl libc_fetestexcept_vfp
-
-# define libc_fesetenv libc_fesetenv_vfp
-# define libc_fesetenvf libc_fesetenv_vfp
-# define libc_fesetenvl libc_fesetenv_vfp
-
-# define libc_feupdateenv libc_feupdateenv_vfp
-# define libc_feupdateenvf libc_feupdateenv_vfp
-# define libc_feupdateenvl libc_feupdateenv_vfp
-
-# define libc_feupdateenv_test libc_feupdateenv_test_vfp
-# define libc_feupdateenv_testf libc_feupdateenv_test_vfp
-# define libc_feupdateenv_testl libc_feupdateenv_test_vfp
-
-/* We have support for rounding mode context. */
-#define HAVE_RM_CTX 1
-
-# define libc_feholdsetround_ctx libc_feholdsetround_vfp_ctx
-# define libc_feresetround_ctx libc_feresetround_vfp_ctx
-# define libc_feresetround_noex_ctx libc_fesetenv_vfp_ctx
-
-# define libc_feholdsetroundf_ctx libc_feholdsetround_vfp_ctx
-# define libc_feresetroundf_ctx libc_feresetround_vfp_ctx
-# define libc_feresetround_noexf_ctx libc_fesetenv_vfp_ctx
-
-# define libc_feholdsetroundl_ctx libc_feholdsetround_vfp_ctx
-# define libc_feresetroundl_ctx libc_feresetround_vfp_ctx
-# define libc_feresetround_noexl_ctx libc_fesetenv_vfp_ctx
-
-#endif
-
-#endif /* FENV_PRIVATE_H */