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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/fesetround.c
parent834caf06f33d79be54cff63c274fba2845513593 (diff)
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Revert "ARM: Improve fenv implementation"
This reverts commit c0c08d02c82275353f5c556f935a1a01714d9d7f.
Diffstat (limited to 'sysdeps/arm/fesetround.c')
-rw-r--r--sysdeps/arm/fesetround.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/sysdeps/arm/fesetround.c b/sysdeps/arm/fesetround.c
index f52c50aec4..d1b92dc255 100644
--- a/sysdeps/arm/fesetround.c
+++ b/sysdeps/arm/fesetround.c
@@ -16,22 +16,28 @@
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
fesetround (int round)
{
+ fpu_control_t fpscr;
+
/* FE_TONEAREST is the only supported rounding mode
if a VFP unit isn't present. */
if (!ARM_HAVE_VFP)
return (round == FE_TONEAREST) ? 0 : 1;
+ /* Fail if the rounding mode is not valid. */
if (round & ~FE_TOWARDZERO)
return 1;
- libc_fesetround_vfp (round);
+ _FPU_GETCW (fpscr);
+ fpscr = (fpscr & ~FE_TOWARDZERO) | round;
+ _FPU_SETCW (fpscr);
return 0;
}