Alex Richardson 0e4ff0acbe AArch64: Don't set flush-subnormals-to-zero flag on startup
This flag has been set on startup since 65618fdda0f272a823e6701966421bdca0efa301.
However, This causes some of the math-related tests to fail as they report
zero instead of a tiny number. This fixes at least
/usr/tests/lib/msun/ldexp_test and possibly others.
Additionally, setting this flag prevents printf() from printing subnormal
numbers in decimal form.
See also https://www.openwall.com/lists/musl/2021/02/26/1

PR:		253847
Reviewed By:	mmel
Differential Revision: https://reviews.freebsd.org/D28938
2021-03-01 14:27:30 +00:00
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