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Diffstat (limited to 'sysdeps/arm/feupdateenv.c')
-rw-r--r--sysdeps/arm/feupdateenv.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/sysdeps/arm/feupdateenv.c b/sysdeps/arm/feupdateenv.c
index 55a15025c6..2a7b3ec894 100644
--- a/sysdeps/arm/feupdateenv.c
+++ b/sysdeps/arm/feupdateenv.c
@@ -17,27 +17,35 @@
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-#include <fenv.h>
-#include <fpu_control.h>
+#include <fenv_private.h>
#include <arm-features.h>
int
feupdateenv (const fenv_t *envp)
{
- fpu_control_t fpscr;
+ fenv_t fenv;
/* Fail if a VFP unit isn't present. */
if (!ARM_HAVE_VFP)
return 1;
- _FPU_GETCW (fpscr);
+ if ((envp == FE_DFL_ENV) || (envp == FE_NOMASK_ENV))
+ {
+ fpu_control_t fpscr;
- /* Install new environment. */
- fesetenv (envp);
+ _FPU_GETCW (fpscr);
- /* Raise the saved exceptions. */
- feraiseexcept (fpscr & FE_ALL_EXCEPT);
+ /* Preserve the reserved FPSCR flags. */
+ fpscr &= _FPU_RESERVED;
+ fpscr |= (envp == FE_DFL_ENV) ? _FPU_DEFAULT : _FPU_IEEE;
+
+ /* Create a valid fenv to pass to libc_feupdateenv_vfp. */
+ fenv.__cw = fpscr;
+ envp = &fenv;
+ }
+
+ libc_feupdateenv_vfp (envp);
return 0;
}
libm_hidden_def (feupdateenv)