Using VFP registers in the msun fenv functions
Warner Losh
imp at bsdimp.com
Mon Jan 13 21:34:38 UTC 2014
Hi Andrew,
Thanks for tackling this...
On Jan 12, 2014, at 12:45 PM, Andrew Turner wrote:
> [1] http://people.freebsd.org/~andrew/armv6fenv2.diff
I noticed several constructs like
+int feclearexcept(int __excepts)
+{
+
+ if (_libc_arm_fpu_present)
+ __vfp_feclearexcept(__excepts);
+ __softfp_feclearexcept(__excepts);
+
+ return (0);
+}
where you do the softfp thing unconditionally. Why is that, and is it intentional?
Warner
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