aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/aarch64/fpu/fsetexcptflg.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/aarch64/fpu/fsetexcptflg.c')
-rw-r--r--sysdeps/aarch64/fpu/fsetexcptflg.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sysdeps/aarch64/fpu/fsetexcptflg.c b/sysdeps/aarch64/fpu/fsetexcptflg.c
index 49cd1e467f..60bb1c9e96 100644
--- a/sysdeps/aarch64/fpu/fsetexcptflg.c
+++ b/sysdeps/aarch64/fpu/fsetexcptflg.c
@@ -24,16 +24,18 @@ int
fesetexceptflag (const fexcept_t *flagp, int excepts)
{
fpu_fpsr_t fpsr;
+ fpu_fpsr_t fpsr_new;
/* Get the current environment. */
_FPU_GETFPSR (fpsr);
/* Set the desired exception mask. */
- fpsr &= ~(excepts & FE_ALL_EXCEPT);
- fpsr |= (*flagp & excepts & FE_ALL_EXCEPT);
+ fpsr_new = fpsr & ~(excepts & FE_ALL_EXCEPT);
+ fpsr_new |= (*flagp & excepts & FE_ALL_EXCEPT);
/* Save state back to the FPU. */
- _FPU_SETFPSR (fpsr);
+ if (fpsr != fpsr_new)
+ _FPU_SETFPSR (fpsr_new);
return 0;
}