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Diffstat (limited to 'sysdeps/aarch64/fpu/feholdexcpt.c')
-rw-r--r--sysdeps/aarch64/fpu/feholdexcpt.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/sysdeps/aarch64/fpu/feholdexcpt.c b/sysdeps/aarch64/fpu/feholdexcpt.c
index 0514ac15b5..973ba4a56a 100644
--- a/sysdeps/aarch64/fpu/feholdexcpt.c
+++ b/sysdeps/aarch64/fpu/feholdexcpt.c
@@ -22,8 +22,10 @@
int
feholdexcept (fenv_t *envp)
{
- fpu_fpsr_t fpsr;
fpu_control_t fpcr;
+ fpu_control_t fpcr_new;
+ fpu_fpsr_t fpsr;
+ fpu_fpsr_t fpsr_new;
_FPU_GETCW (fpcr);
envp->__fpcr = fpcr;
@@ -32,14 +34,16 @@ feholdexcept (fenv_t *envp)
envp->__fpsr = fpsr;
/* Now set all exceptions to non-stop. */
- fpcr &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT);
+ fpcr_new = fpcr & ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT);
/* And clear all exception flags. */
- fpsr &= ~FE_ALL_EXCEPT;
+ fpsr_new = fpsr & ~FE_ALL_EXCEPT;
- _FPU_SETFPSR (fpsr);
+ if (fpsr != fpsr_new)
+ _FPU_SETFPSR (fpsr_new);
- _FPU_SETCW (fpcr);
+ if (fpcr != fpcr_new)
+ _FPU_SETCW (fpcr_new);
return 0;
}