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| author | Wilco <wdijkstr@arm.com> | 2014-05-15 15:21:55 +0100 |
|---|---|---|
| committer | Marcus Shawcroft <marcus.shawcroft@arm.com> | 2014-05-15 15:23:27 +0100 |
| commit | c0c08d02c82275353f5c556f935a1a01714d9d7f (patch) | |
| tree | c850cda3edb23e165d7d96eb9d82fdc74b5554f1 /sysdeps/arm/fedisblxcpt.c | |
| parent | 1a2f40e5d14ed6450696feacf04fca5eeceae7ef (diff) | |
| download | glibc-c0c08d02c82275353f5c556f935a1a01714d9d7f.tar.gz glibc-c0c08d02c82275353f5c556f935a1a01714d9d7f.tar.xz glibc-c0c08d02c82275353f5c556f935a1a01714d9d7f.zip | |
ARM: Improve fenv implementation
Diffstat (limited to 'sysdeps/arm/fedisblxcpt.c')
| -rw-r--r-- | sysdeps/arm/fedisblxcpt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/arm/fedisblxcpt.c b/sysdeps/arm/fedisblxcpt.c index f2956cd32a..d5e0f0031a 100644 --- a/sysdeps/arm/fedisblxcpt.c +++ b/sysdeps/arm/fedisblxcpt.c @@ -35,7 +35,9 @@ fedisableexcept (int excepts) excepts &= FE_ALL_EXCEPT; new_fpscr = fpscr & ~(excepts << FE_EXCEPT_SHIFT); - _FPU_SETCW (new_fpscr); + /* Write new exceptions if changed. */ + if (new_fpscr != fpscr) + _FPU_SETCW (new_fpscr); return (fpscr >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; } |