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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/setfpucw.c
parent834caf06f33d79be54cff63c274fba2845513593 (diff)
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Revert "ARM: Improve fenv implementation"
This reverts commit c0c08d02c82275353f5c556f935a1a01714d9d7f.
Diffstat (limited to 'sysdeps/arm/setfpucw.c')
-rw-r--r--sysdeps/arm/setfpucw.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/sysdeps/arm/setfpucw.c b/sysdeps/arm/setfpucw.c
index 259b020f81..7416377f9e 100644
--- a/sysdeps/arm/setfpucw.c
+++ b/sysdeps/arm/setfpucw.c
@@ -24,20 +24,19 @@
 void
 __setfpucw (fpu_control_t set)
 {
-  fpu_control_t fpscr, new_fpscr;
+  fpu_control_t fpscr;
 
   /* Do nothing if a VFP unit isn't present.  */
   if (!ARM_HAVE_VFP)
     return;
 
+  /* Fetch the current control word.  */
   _FPU_GETCW (fpscr);
 
   /* Preserve the reserved bits, and set the rest as the user
      specified (or the default, if the user gave zero).  */
-  new_fpscr = fpscr & _FPU_RESERVED;
-  new_fpscr |= set & ~_FPU_RESERVED;
+  fpscr &= _FPU_RESERVED;
+  fpscr |= set & ~_FPU_RESERVED;
 
-  /* Write FPSCR if changed.  */
-  if (new_fpscr != fpscr)
-    _FPU_SETCW (fpscr);
+  _FPU_SETCW (fpscr);
 }