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authorMarcus Shawcroft <marcus.shawcroft@arm.com>2014-05-19 09:08:59 +0100
committerMarcus Shawcroft <marcus.shawcroft@arm.com>2014-05-19 09:08:59 +0100
commit18f8524d2cf5e9f699055ed2c2cdeb56cd3b4cc4 (patch)
tree92b5d3167160de1067a52ba0fec81393f8e196cf /sysdeps/arm/feupdateenv.c
parent834caf06f33d79be54cff63c274fba2845513593 (diff)
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Revert "ARM: Improve fenv implementation"
This reverts commit c0c08d02c82275353f5c556f935a1a01714d9d7f.
Diffstat (limited to 'sysdeps/arm/feupdateenv.c')
-rw-r--r--sysdeps/arm/feupdateenv.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/sysdeps/arm/feupdateenv.c b/sysdeps/arm/feupdateenv.c
index 2a7b3ec..55a1502 100644
--- a/sysdeps/arm/feupdateenv.c
+++ b/sysdeps/arm/feupdateenv.c
@@ -17,35 +17,27 @@
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-#include <fenv_private.h>
+#include <fenv.h>
+#include <fpu_control.h>
#include <arm-features.h>
int
feupdateenv (const fenv_t *envp)
{
- fenv_t fenv;
+ fpu_control_t fpscr;
/* Fail if a VFP unit isn't present. */
if (!ARM_HAVE_VFP)
return 1;
- if ((envp == FE_DFL_ENV) || (envp == FE_NOMASK_ENV))
- {
- fpu_control_t fpscr;
+ _FPU_GETCW (fpscr);
- _FPU_GETCW (fpscr);
+ /* Install new environment. */
+ fesetenv (envp);
- /* 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);
+ /* Raise the saved exceptions. */
+ feraiseexcept (fpscr & FE_ALL_EXCEPT);
return 0;
}
libm_hidden_def (feupdateenv)