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| author | Wilco <wdijkstr@arm.com> | 2014-05-15 15:18:40 +0100 |
|---|---|---|
| committer | Marcus Shawcroft <marcus.shawcroft@arm.com> | 2014-05-15 15:23:27 +0100 |
| commit | 1a2f40e5d14ed6450696feacf04fca5eeceae7ef (patch) | |
| tree | f08d34c9426d8833b6daef1509a1ac431e0b3c0b /sysdeps/arm/feholdexcpt.c | |
| parent | cf26a0cb6a0bbaca46a01ddad6662e5e5159a32a (diff) | |
| download | glibc-1a2f40e5d14ed6450696feacf04fca5eeceae7ef.tar.gz glibc-1a2f40e5d14ed6450696feacf04fca5eeceae7ef.tar.xz glibc-1a2f40e5d14ed6450696feacf04fca5eeceae7ef.zip | |
ARM: Improve fenv implementation
Diffstat (limited to 'sysdeps/arm/feholdexcpt.c')
| -rw-r--r-- | sysdeps/arm/feholdexcpt.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/sysdeps/arm/feholdexcpt.c b/sysdeps/arm/feholdexcpt.c index 9ca673c6fb..258ba6637f 100644 --- a/sysdeps/arm/feholdexcpt.c +++ b/sysdeps/arm/feholdexcpt.c @@ -24,27 +24,23 @@ int feholdexcept (fenv_t *envp) { - if (ARM_HAVE_VFP) - { - unsigned long int temp; + fpu_control_t fpscr; - /* Store the environment. */ - _FPU_GETCW(temp); - envp->__cw = temp; + /* Fail if a VFP unit isn't present. */ + if (!ARM_HAVE_VFP) + return 1; - /* Now set all exceptions to non-stop. */ - temp &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT); + _FPU_GETCW (fpscr); + envp->__cw = fpscr; - /* And clear all exception flags. */ - temp &= ~FE_ALL_EXCEPT; + /* Now set all exceptions to non-stop. */ + fpscr &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT); - _FPU_SETCW(temp); + /* And clear all exception flags. */ + fpscr &= ~FE_ALL_EXCEPT; - return 0; - } - - /* Unsupported, so fail. */ - return 1; + _FPU_SETCW (fpscr); + return 0; } libm_hidden_def (feholdexcept) |