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authorRich Felker <dalias@aerifal.cx>2012-03-17 19:29:00 -0400
committerRich Felker <dalias@aerifal.cx>2012-03-17 19:29:00 -0400
commit316e024f63af0d0d2bb0df3dfce2620f4be827d1 (patch)
treec1dbe320f1034df38f293016f00f5bf7dc6f0128 /WHATSNEW
parent9cb6878e747909c7a45dd1c4dd550ac62e1f7690 (diff)
downloadmusl-316e024f63af0d0d2bb0df3dfce2620f4be827d1.tar.gz
optimize x86 feclearexcept
if all exception flags will be cleared, we can avoid the expensive store/reload of the environment and just use the fnclex instruction.
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